/* roulang page: index */
:root{
  --bg-deep:#061C26;
  --bg-body:#08232E;
  --bg-lift:#0D2F3D;
  --glass-card:rgba(14,50,65,.62);
  --glass-strong:rgba(16,60,78,.86);
  --line:rgba(165,235,224,.28);
  --line-soft:rgba(165,235,224,.14);
  --accent:#3DDBB4;
  --accent-deep:#23A88A;
  --accent-blue:#24A8D9;
  --accent-amber:#F5B25D;
  --text-main:#EAF6F3;
  --text-sub:#9DBECD;
  --text-muted:#6E92A0;
  --error:#E5696E;
  --success:#4FD5A4;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 24px 48px -24px rgba(3,26,35,.9), 0 0 0 1px rgba(165,235,224,.08) inset, 0 1px 0 rgba(230,255,248,.06) inset;
  --shadow-glow:0 16px 44px -12px rgba(61,219,180,.28), 0 4px 16px rgba(7,35,46,.5);
  --ease:cubic-bezier(.23,1,.32,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Microsoft YaHei UI","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-main);
  background:var(--bg-body);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .3s var(--ease)}
a:hover{color:#6FE9C8}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
::selection{background:rgba(61,219,180,.25);color:var(--text-main)}
.container{max-width:1260px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.container-narrow{max-width:1160px}
.section{padding:96px 0;position:relative}
.section-alt{background:var(--bg-lift)}
.section-sm{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--accent);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--accent);opacity:.75}
.section-title{font-size:38px;line-height:1.25;font-weight:700;color:var(--text-main);max-width:860px;margin-top:18px}
.section-title .hl{color:var(--accent)}
.section-sub{color:var(--text-sub);font-size:17px;max-width:820px;margin-top:16px}
.text-center{text-align:center}
.text-center .section-sub{margin-left:auto;margin-right:auto}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 30px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  border:1px solid transparent;transition:all .32s var(--ease);
  text-align:center;line-height:1;white-space:nowrap;
}
.btn:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:4px;
}
.btn-primary{
  color:#043239;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-blue) 100%);
  box-shadow:0 10px 30px -8px rgba(61,219,180,.35),0 0 0 1px rgba(255,255,255,.12) inset;
}
.btn-primary:hover{color:#032D32;transform:translateY(-3px);box-shadow:0 18px 44px -10px rgba(61,219,180,.45);background:linear-gradient(135deg,#65F0CD 0%,#3EC9E8 100%)}
.btn-primary:active{transform:translateY(0) scale(.97);box-shadow:0 8px 22px -8px rgba(61,219,180,.4)}
.btn-secondary{
  background:rgba(61,219,180,.10);border-color:rgba(61,219,180,.45);color:#C7F7EA;
  box-shadow:0 0 0 1px rgba(8,35,46,.2) inset,0 0 30px -12px rgba(61,219,180,.2);
}
.btn-secondary:hover{background:rgba(61,219,180,.18);border-color:rgba(61,219,180,.8);color:#DFFFF6;transform:translateY(-2px)}
.btn-ghost{
  background:rgba(234,246,243,.04);border-color:rgba(234,246,243,.35);color:var(--text-main);
}
.btn-ghost:hover{background:rgba(234,246,243,.1);border-color:rgba(234,246,243,.7);color:#fff}
.btn-lg{min-height:54px;padding:0 42px;font-size:16px}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn .arrow{transition:transform .3s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-block{width:100%}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,35,46,.82);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,28,38,.94);box-shadow:0 18px 42px -30px rgba(3,24,34,.9)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px;gap:18px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-weight:800;letter-spacing:-.02em;color:var(--text-main)}
.brand-logo .logo-mark{width:42px;height:42px;flex-shrink:0;position:relative;border-radius:14px;background:linear-gradient(145deg,rgba(61,219,180,.18),rgba(36,168,217,.1));border:1px solid rgba(165,235,224,.35);display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 24px -8px rgba(61,219,180,.3),0 0 18px rgba(61,219,180,.08) inset}
.brand-logo .logo-mark svg{width:23px;height:23px}
.brand-logo .brand-name{font-size:21px;line-height:1.1;color:var(--text-main)}
.brand-logo .brand-name strong{color:var(--accent);font-weight:900}
.brand-logo small{display:block;font-size:10px;font-weight:400;color:var(--text-muted);letter-spacing:.12em;text-align:right}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-list{display:flex;align-items:center;gap:4px;margin:0}
.nav-item{position:relative;margin:0}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;justify-content:center;
  min-height:46px;padding:0 15px;border-radius:10px;
  color:var(--text-sub);font-size:15px;font-weight:500;white-space:nowrap;
  position:relative;transition:.3s var(--ease);
}
.nav-link::after{content:"";position:absolute;left:16px;right:16px;bottom:7px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);border-radius:2px}
.nav-link:hover{color:var(--text-main)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-item.is-active>.nav-link,.nav-link.is-active{color:var(--text-main)}
.nav-link .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);opacity:0}
.nav-link.is-active .dot{opacity:1}
.nav-more{position:relative}
.nav-sub{
  position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);
  background:rgba(8,38,50,.98);backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:var(--radius-md);
  min-width:300px;padding:10px;opacity:0;visibility:hidden;pointer-events:none;
  transition:.35s var(--ease);box-shadow:0 32px 64px -24px rgba(5,28,38,.9);
}
.nav-more:hover .nav-sub,.nav-link:focus+.nav-sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);pointer-events:auto}
.nav-sub .sub-item{display:block;padding:12px 14px;border-radius:12px;color:var(--text-sub);transition:.25s var(--ease);font-size:14px;line-height:1.45;border:1px solid transparent;margin-bottom:4px}
.nav-sub .sub-item:hover{background:rgba(61,219,180,.09);color:var(--text-main);border-color:rgba(61,219,180,.18)}
.nav-sub .sub-item strong{display:block;color:var(--text-main);font-size:15px;margin-bottom:2px}
.nav-sub .sub-item:last-child{margin-bottom:0}
.header-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex-shrink:0}
.header-tel{color:var(--text-sub);font-size:15px;font-weight:500;letter-spacing:.01em}
.header-tel:hover{color:var(--accent)}
.menu-toggle{display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:rgba(234,246,243,.05);align-items:center;justify-content:center;cursor:pointer;position:relative}
.menu-toggle svg{width:22px;height:22px;stroke:var(--text-main)}
.header-main-cta{margin-left:14px}

/* ===== Mobile drawer ===== */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,390px);z-index:100;
  background:rgba(6,28,38,.98);backdrop-filter:blur(24px);
  border-left:1px solid var(--line);padding:28px 22px 48px;
  transform:translateX(102%);transition:transform .45s var(--ease);overflow-y:auto;
  box-shadow:-32px 0 60px rgba(3,20,28,.5);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:rgba(234,246,243,.04);color:var(--text-main);cursor:pointer}
.mobile-drawer .nav-list{flex-direction:column;align-items:stretch;gap:6px}
.mobile-drawer .nav-link{justify-content:flex-start;padding:13px 15px;font-size:17px;border-radius:12px;background:transparent}
.mobile-drawer .nav-link::after{display:none}
.mobile-drawer .nav-link.is-active{background:rgba(61,219,180,.13)}
.mobile-drawer .nav-item{margin:0}
.mobile-drawer .drawer-cta{margin-top:28px;width:100%}
.drawer-sub{display:flex;flex-direction:column;gap:4px;padding-left:10px}
.drawer-sub a{padding:9px 12px;color:var(--text-sub);font-size:15px;border-radius:10px}
.drawer-sub a:hover{color:var(--accent);background:rgba(61,219,180,.07)}
.drawer-mask{position:fixed;inset:0;background:rgba(2,16,23,.72);backdrop-filter:blur(2px);z-index:90;opacity:0;visibility:hidden;transition:.3s}
.drawer-mask.is-on{opacity:1;visibility:visible}

/* ===== Mobile bottom tabs ===== */
.mobile-tabs{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(8,35,46,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid rgba(165,235,224,.2);padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabs-inner{display:grid;grid-template-columns:repeat(5,1fr);max-width:600px;margin:0 auto}
.tab-link{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:60px;color:#85A6B3;position:relative;font-size:11px;padding-top:4px}
.tab-link svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round}
.tab-link.is-active{color:var(--accent)}
.tab-link.is-active .tab-icon{filter:drop-shadow(0 0 8px rgba(61,219,180,.55))}
.tab-link.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:34px;height:2px;border-radius:0 0 4px 4px;background:var(--accent);box-shadow:0 4px 12px rgba(61,219,180,.6)}
.tab-link:not(.is-active):hover{color:var(--text-main)}
body{padding-bottom:0}
@media screen and (max-width:63.9375em){
  body{padding-bottom:70px}
  .desktop-menu,.header-tel,.header-main-cta{display:none!important}
  .menu-toggle{display:inline-flex}
  .mobile-tabs{display:block}
  .section{padding:66px 0}
  .section-title{font-size:31px}
}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  overflow:hidden;padding:120px 0 110px;background:var(--bg-deep);
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.4;z-index:0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(6,28,38,.98) 8%,rgba(8,47,61,.78) 48%,rgba(8,35,46,.2) 100%)}
.hero-glow{position:absolute;left:52%;top:20%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(36,168,217,.18),transparent 65%);filter:blur(38px);z-index:0}
.hero .container{position:relative;z-index:2}
.hero-inner{display:grid;grid-template-columns:minmax(0,6.7fr) minmax(0,5.3fr);gap:72px;align-items:center}
.hero-copy{max-width:680px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;background:rgba(61,219,180,.11);
  border:1px solid rgba(61,219,180,.27);color:#BBF6E6;
  font-size:13px;font-weight:600;letter-spacing:.04em;padding:7px 16px;border-radius:var(--radius-pill);margin-bottom:28px;
}
.hero-badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(61,219,180,.4);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,219,180,.4)}70%{box-shadow:0 0 0 9px rgba(61,219,180,0)}100%{box-shadow:0 0 0 0 rgba(61,219,180,0)}}
.hero h1{font-size:56px;line-height:1.2;font-weight:800;letter-spacing:-.03em;color:var(--text-main);margin-bottom:24px;max-width:660px}
.hero h1 .gradient-text{background:linear-gradient(95deg,var(--accent),var(--accent-blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 34px rgba(61,219,180,.12)}
.hero-sub{font-size:18px;line-height:1.85;color:var(--text-sub);max-width:570px;margin-bottom:36px}
.hero-sub strong{color:#CCE9E6;font-weight:600}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero-proof{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:46px;color:var(--text-muted);font-size:13px}
.hero-proof-item{display:inline-flex;align-items:center;gap:8px}
.hero-proof-item::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent-blue);box-shadow:0 0 8px var(--accent-blue);flex-shrink:0}
.hero-visual{position:relative;min-height:460px}
.hero-preview{
  position:relative;background:var(--glass-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:26px;
  box-shadow:var(--shadow-card);z-index:2;overflow:hidden;
}
.hero-preview::before{content:"";position:absolute;top:0;left:14%;right:14%;height:1px;background:linear-gradient(90deg,transparent,rgba(235,255,250,.7),transparent)}
.preview-top{display:flex;align-items:center;gap:13px;margin-bottom:22px}
.preview-dot{width:10px;height:10px;border-radius:50%}
.preview-dot.r{background:#E5696E}.preview-dot.y{background:#F5B25D}.preview-dot.g{background:#4FD5A4}
.preview-url{flex:1;background:rgba(3,28,38,.65);border-radius:8px;padding:5px 12px;color:#9DBECD;font-size:12px;letter-spacing:.04em}
.hero-preview h3{font-size:18px;margin-bottom:5px;color:var(--text-main)}
.hero-preview p{color:var(--text-sub);font-size:14px;margin-bottom:0}
.preview-chart{display:flex;align-items:flex-end;gap:8px;height:128px;margin-top:28px}
.chart-col{flex:1;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,rgba(61,219,180,.55),rgba(36,168,217,.28));min-height:20px;transition:height .5s var(--ease)}
.preview-float{
  position:absolute;right:-26px;bottom:28px;width:240px;background:rgba(13,47,61,.95);
  border:1px solid var(--line);border-radius:16px;padding:18px;backdrop-filter:blur(18px);z-index:3;
  box-shadow:var(--shadow-glow);
  animation:floaty 4.8s ease-in-out infinite;
}
.preview-float .float-title{color:var(--text-main);font-size:14px;font-weight:600}
.preview-float .float-note{color:var(--text-sub);font-size:12px;margin-top:3px}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero-scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:5;display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--text-muted);font-size:12px;letter-spacing:.08em}
.scroll-line{width:1px;height:60px;background:linear-gradient(180deg,var(--accent),transparent);position:relative;overflow:hidden}
.scroll-line::after{content:"";position:absolute;top:-20px;left:0;width:100%;height:20px;background:rgba(255,255,255,.8);animation:scrollDown 1.7s ease-in-out infinite}
@keyframes scrollDown{0%{transform:translateY(-20px)}60%,100%{transform:translateY(82px)}}
@media screen and (max-width:64em){
  .hero-inner{grid-template-columns:1fr;gap:42px}
  .hero-visual{min-height:auto}
  .hero h1{font-size:46px}
  .hero{min-height:auto;padding-top:100px}
}
@media screen and (max-width:39.9375em){
  .hero h1{font-size:37px;line-height:1.28}
  .hero-sub{font-size:16px}
  .hero-sub strong{display:inline}
  .hero-actions .btn{width:100%}
  .hero-preview{padding:18px}
  .preview-float{right:-8px;width:200px;padding:13px}
  .preview-float .float-title{font-size:12px} 
  .preview-float .float-note{font-size:11px}
}
.hero-visual img.bg-snap{width:100%;height:180px;object-fit:cover;border-radius:12px;margin-bottom:16px;filter:saturate(.85) brightness(1.02)}
.visual-ring{position:absolute;right:-104px;top:-110px;width:360px;height:360px;border-radius:50%;border:1px solid rgba(165,235,224,.14);z-index:1}
.visual-ring::before{content:"";position:absolute;inset:24px;border-radius:inherit;border:1px dashed rgba(165,235,224,.15)}
.visual-ring::after{content:"";position:absolute;inset:74px;background:rgba(61,219,180,.06);filter:blur(28px);border-radius:50%}

/* ===== quick strip ===== */
.ability-strip{
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  background:rgba(13,47,61,.4);padding:20px 0;
}
.ability-list{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px 44px;margin:0;color:var(--text-sub);font-size:14px}
.ability-list li{display:inline-flex;align-items:center;gap:10px;font-weight:500}
.ability-list li:not(:last-child)::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.6}
@media screen and (max-width:39.9375em){
  .ability-list{gap:12px 26px;font-size:13px}
}

/* ===== pain matrix ===== */
.pain-section{background:var(--bg-deep)}
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:52px}
.pain-card{
  position:relative;padding:36px 34px;border-radius:var(--radius-lg);
  background:var(--glass-card);border:1px solid var(--line-soft);backdrop-filter:blur(14px);
  transition:all .4s var(--ease);overflow:hidden;box-shadow:var(--shadow-card);
}
.pain-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent)}
.pain-card:hover{background:rgba(15,50,65,.75);transform:translateY(-4px)}
.pain-card .pain-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:rgba(61,219,180,.12);border:1px solid rgba(61,219,180,.22);color:var(--accent);margin-bottom:22px}
.pain-card .pain-icon svg{width:24px;height:24px}
.pain-card h3{font-size:19px;line-height:1.5;font-weight:700;color:var(--text-main);margin-bottom:12px}
.pain-card p{font-size:15px;color:var(--text-sub);line-height:1.75;margin-bottom:20px}
.pain-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:15px;font-weight:600}
.pain-link .arrow{transition:transform .3s var(--ease)}
.pain-link:hover .arrow{transform:translateX(4px)}
.pain-card:nth-child(1){grid-column:1 span 1}
.pain-card:nth-child(2){grid-column:1 span 1}
.pain-card:nth-child(3){grid-column:1 / -1;background:linear-gradient(135deg,rgba(14,50,65,.72),rgba(10,36,52,.75))}
.pain-card:nth-child(3),
.pain-card:nth-child(3) .pain-icon{background:rgba(36,168,217,.15);border-color:rgba(36,168,217,.25);color:var(--accent-blue)}
.pain-card:nth-child(3) p{max-width:960px}
@media screen and (max-width:39.9375em){
  .pain-grid{grid-template-columns:1fr;padding:0}
  .pain-card{padding:28px 24px}
}

/* ===== solution flow ===== */
.solution-section{background:var(--bg-lift)}
.solution-row{margin-top:58px;display:flex;gap:44px;align-items:flex-start}
.solution-visual{flex:0 0 38%;max-width:500px;position:sticky;top:120px}
.sol-image{border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:var(--shadow-glow);border:1px solid var(--line-soft)}
.sol-image img{width:100%;height:280px;object-fit:cover;aspect-ratio:4/3;object-fit:cover}
.sol-badge{position:absolute;left:18px;bottom:18px;background:rgba(5,27,36,.9);border:1px solid var(--line);border-radius:var(--radius-pill);color:var(--text-main);font-size:13px;padding:8px 16px;display:flex;align-items:center;gap:8px}
.sol-badge .status-dot{width:8px;height:8px;background:var(--success);border-radius:50%;box-shadow:0 0 10px var(--success)}
.solution-steps{flex:1;display:flex;flex-direction:column;gap:0;counter-reset:step}
.solution-step{
  position:relative;padding:0 0 44px 74px;margin:0;
}
.solution-step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;width:54px;height:54px;border-radius:18px;
  background:rgba(61,219,180,.12);border:1px solid rgba(61,219,180,.25);
  color:var(--accent);font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 20px rgba(61,219,180,.08);
}
.solution-step::after{content:"";position:absolute;left:27px;top:66px;bottom:0;width:1px;background:linear-gradient(180deg,rgba(165,235,224,.2),rgba(165,235,224,.02))}
.solution-step:last-child::after{display:none}
.solution-step .step-title{font-size:22px;font-weight:700;margin-bottom:8px;color:var(--text-main)}
.solution-step .step-desc{color:var(--text-sub);font-size:15px;max-width:580px}
.solution-step .step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.step-tag{display:inline-block;padding:5px 14px;font-size:12px;border-radius:var(--radius-pill);border:1px solid rgba(165,235,224,.18);color:var(--accent);background:rgba(61,219,180,.05)}
@media screen and (max-width:63.9375em){
  .solution-row{flex-direction:column;gap:34px}
  .solution-visual{flex:none;max-width:none;position:static;width:100%;display:grid;grid-template-columns:1fr 1fr;grid-template-areas:"img text";gap:18px}
  .sol-image{border-radius:14px}
  .sol-image img{height:150px}
  .solution-visual .sol-note{display:flex;align-items:center;font-size:14px;background:rgba(14,50,65,.55);padding:21px;border-radius:16px;border:1px solid var(--line-soft);color:var(--text-sub)}
  .solution-visual .sol-note strong{color:var(--text-main)}
}
@media screen and (max-width:39.9375em){
  .solution-row{display:block}
  .solution-visual{display:none}
  .solution-step{padding-left:66px}
  .step-title{font-size:18px!important}
  .solution-step:before{width:46px;height:46px;font-size:13px;border-radius:14px}
  .solution-step:after{left:23px;top:58px}
}

/* ===== stat band ===== */
.stat-band{
  position:relative;overflow:hidden;padding:72px 0;
  background:linear-gradient(110deg,rgba(8,38,50,.96),rgba(7,31,44,.92));
  border-block:1px solid var(--line-soft);
}
.stat-band::before{content:"";position:absolute;inset:0;background:#0D2F3D radial-gradient(circle at 80% 10%,rgba(61,219,180,.14),transparent 46%)}
.stat-band::after{content:"";position:absolute;inset:0;opacity:.18;background-image:linear-gradient(rgba(165,235,224,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(165,235,224,.06) 1px,transparent 1px);background-size:46px 46px;pointer-events:none}
.stat-band .container{position:relative;z-index:2}
.stat-band .section-title,.stat-band .section-sub{color:var(--text-main)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:42px}
.stat-item{padding:26px 18px;text-align:center;border-radius:var(--radius-md);background:rgba(8,42,55,.56);border:1px solid rgba(165,235,224,.16);backdrop-filter:blur(12px)}
.stat-item .stat-label{color:var(--accent);font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;margin-bottom:12px}
.stat-item .stat-value{font-size:18px;line-height:1.55;font-weight:600;color:var(--text-main)}
.stat-item .stat-value{font-size:20px}
.stat-item .stat-note{color:var(--text-muted);font-size:13px;margin-top:6px;line-height:1.6}
@media screen and (max-width:63.9375em){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:39.9375em){
  .stat-grid{grid-template-columns:1fr;gap:12px}
  .stat-item{display:flex;align-items:center;gap:16px;text-align:left;padding:20px}
  .stat-item .stat-label{margin-bottom:0;min-width:110px}
  .stat-item .stat-value{font-size:17px}
}

/* ===== CTA card ===== */
.cta-trigger-section{background:var(--bg-deep)}
.cta-card{
  position:relative;border-radius:var(--radius-lg);padding:34px;
  background:linear-gradient(135deg,rgba(13,47,61,.72),rgba(8,33,45,.76));
  border:1px solid var(--line);display:flex;align-items:center;gap:32px;
  overflow:hidden;backdrop-filter:blur(16px);box-shadow:var(--shadow-card);
}
.cta-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent)}
.cta-card-content{flex:1}
.cta-card-content h2{font-size:30px;line-height:1.4;font-weight:800}
.cta-card-content p{color:var(--text-sub);margin-top:12px;font-size:16px}
.cta-card-action{flex-shrink:0}
@media screen and (max-width:39.9375em){
  .cta-card{flex-direction:column;align-items:stretch;text-align:left}
  .cta-card-content h2{font-size:24px}
}
.cta-card-content strong{color:var(--accent)}

/* ===== Info / CMS list ===== */
.info-section{background:var(--bg-lift)}
.cms-grid{margin-top:52px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.post-card{
  position:relative;display:flex;gap:20px;padding:24px;border-radius:var(--radius-md);
  background:var(--glass-card);border:1px solid var(--line-soft);overflow:hidden;
  transition:all .4s var(--ease);backdrop-filter:blur(12px);box-shadow:var(--shadow-card);
}
.post-card::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(61,219,180,.09),transparent 54%);opacity:0;transition:opacity .4s}
.post-card:hover{border-color:rgba(165,235,224,.34);transform:translateY(-5px)}
.post-card:hover::before{opacity:1}
.post-card-main{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.post-thumb{width:118px;height:100px;flex-shrink:0;border-radius:14px;overflow:hidden;position:relative;background:var(--bg-deep);border:1px solid var(--line-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease),filter .55s;filter:saturate(.8)}
.post-card:hover .post-thumb img{transform:scale(1.07);filter:saturate(1)}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-muted)}
.post-cat{color:var(--accent);font-weight:600;border:1px solid rgba(61,219,180,.2);padding:3px 12px;border-radius:999px;font-size:12px}
.post-title{display:block;font-size:21px;line-height:1.5;font-weight:700;color:var(--text-main);transition:.25s;margin:2px 0}
.post-title:hover{color:var(--accent)}
.post-excerpt{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-footer{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:auto}
.post-time{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px}
.post-time svg{width:15px;height:15px;stroke:currentColor}
.post-read{font-size:14px;color:var(--accent);font-weight:600;display:inline-flex;align-items:center}
.post-read:hover{transform:translateX(4px)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  padding:64px 24px;gap:8px;border-radius:var(--radius-lg);grid-column:1/-1;
  background:var(--glass-card);border:1px dashed rgba(165,235,224,.26);min-height:220px;
}
.empty-icon{width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(61,219,180,.1);color:var(--accent);margin-bottom:8px;border:1px solid rgba(61,219,180,.2)}
.empty-state h3{font-size:21px}
.empty-state p{color:var(--text-sub);font-size:15px;margin-bottom:8px}
@media screen and (max-width:63.9375em){
  .cms-grid{grid-template-columns:1fr}
  .post-card{padding:20px}
  .post-thumb{width:120px;height:100px}
  .post-title{font-size:19px}
}
@media screen and (max-width:39.9375em){
  .post-card{gap:14px}
  .post-thumb{width:100px;height:82px}
  .post-thumb img{width:100%;height:100%;object-fit:cover}
  .post-title{font-size:18px}
  .section-title{font-size:28px}
}

/* ===== FAQ ===== */
.faq-section{background:var(--bg-deep)}
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;margin-top:56px}
.faq-side h2{font-size:34px;margin-bottom:16px;font-weight:800;line-height:1.3}
.faq-side p{color:var(--text-sub);font-size:16px}
.faq-list .accordion{background:transparent;border:none;margin:0}
.faq-list .accordion-item{
  background:rgba(14,50,65,.5);border:1px solid var(--line-soft);border-radius:18px;
  margin-bottom:14px;overflow:hidden;transition:border-color .3s;backdrop-filter:blur(12px);
}
.faq-list .accordion-item:last-child{margin-bottom:0}
.faq-list .accordion-item.is-active{border-color:rgba(61,219,180,.34)}
.faq-list .accordion-title{
  background:transparent;border:none;color:var(--text-main);padding:20px 28px 20px 58px;min-height:60px;
  font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:space-between;position:relative;margin:0;
  transition:color .25s;
}
.faq-list .accordion-title:hover,.faq-list .accordion-item.is-active .accordion-title{background:rgba(61,219,180,.06);color:#fff}
.faq-list .accordion-title::before{
  content:"+";position:absolute;left:24px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(61,219,180,.4);border-radius:50%;color:var(--accent);
  font-size:19px;font-weight:500;line-height:1;transition:transform .3s;background:rgba(61,219,180,.08);
}
.faq-list .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);background:var(--accent);color:#043A39}
.faq-list .accordion-content{
  background:rgba(4,28,38,.48);border-top:1px solid rgba(165,235,224,.1);color:var(--text-sub);
  padding:18px 30px 28px 60px!important;font-size:15px;line-height:1.85;
}
.faq-list .accordion-title:focus-visible{border-radius:18px}
.faq-extra{margin-top:26px;display:inline-flex;align-items:center;gap:12px;flex-wrap:wrap}
@media screen and (max-width:63.9375em){
  .faq-layout{grid-template-columns:1fr;gap:44px}
  .faq-side h2{font-size:29px}
}
@media screen and (max-width:39.9375em){
  .faq-list .accordion-title{padding-left:50px;font-size:15px}
  .faq-list .accordion-content{padding:18px 20px 24px 48px!important}
  .faq-side h2{font-size:25px}
}

/* ===== Final CTA ===== */
.final-cta{position:relative;overflow:hidden;padding:100px 0;background-size:cover;background-position:center;background-image:url('/assets/images/backpic/back-3.png')}
.final-cta::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,28,38,.97) 10%,rgba(7,40,53,.9) 80%);}
.final-cta .container{position:relative;z-index:2;text-align:center}
.final-cta h2{font-size:42px;line-height:1.3;font-weight:800;max-width:780px;margin:24px auto 20px}
.final-cta h2 .gradient-text{background:linear-gradient(90deg,var(--accent),var(--accent-blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.final-cta p{color:var(--text-sub);font-size:17px;max-width:640px;margin:0 auto 40px}
.final-cta .btn{box-shadow:var(--shadow-glow)}
.final-contacts{display:flex;justify-content:center;gap:30px;margin-top:32px;color:var(--text-muted);font-size:14px;flex-wrap:wrap}
@media screen and (max-width:39.9375em){.final-cta h2{font-size:28px}}

/* ===== Footer ===== */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line-soft)}
.footer-top{display:grid;grid-template-columns:2.2fr 1fr 1.6fr;gap:52px;padding:74px 0 54px}
.footer-brand .brand-logo{margin-bottom:22px}
.footer-desc{color:var(--text-sub);font-size:14px;line-height:1.9;max-width:380px}
.footer-col-title{font-size:15px;font-weight:700;color:var(--text-main);margin-bottom:20px;letter-spacing:.04em}
.footer-col-title::after{content:"";display:block;margin-top:10px;width:28px;height:2px;background:var(--accent);opacity:.6;border-radius:4px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-muted);font-size:14px;transition:.25s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact{list-style:none}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:var(--text-sub);font-size:14px;margin-bottom:16px}
.footer-contact svg{width:18px;height:18px;flex-shrink:0;margin-top:4px;stroke:var(--accent)}
.footer-bottom{border-top:1px solid var(--line-soft);padding:26px 0}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px}
.footer-copy{color:var(--text-muted);font-size:13px}
.footer-bottom-links{display:flex;align-items:center;gap:22px;color:var(--text-muted);font-size:13px}
.footer-bottom-links a{color:var(--text-muted);font-size:13px}
.footer-bottom-links a:hover{color:var(--accent)}
@media screen and (max-width:63.9375em){
  .footer-top{grid-template-columns:1fr 1fr;gap:38px;padding:56px 0 40px}
  .footer-brand{grid-column:1/-1}
}
@media screen and (max-width:39.9375em){
  .footer-top{grid-template-columns:1fr;padding:44px 0 30px}
  .footer-bottom .container{justify-content:center}
}

/* ===== Back to top ===== */
.back-top{
  position:fixed;right:26px;bottom:28px;z-index:70;width:46px;height:46px;border-radius:50%;
  background:rgba(14,50,65,.92);border:1px solid var(--line);color:var(--accent);
  backdrop-filter:blur(12px);display:none;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 14px 30px rgba(3,22,30,.45),0 0 0 1px rgba(61,219,180,.1) inset;
  transition:.3s;
}
.back-top:hover{transform:translateY(-4px);color:#9DF4DA;border-color:var(--accent);box-shadow:var(--shadow-glow)}
.back-top svg{width:18px;height:18px;stroke:currentColor}
@media screen and (min-width:64em){.back-top{display:none}}
@media screen and (max-width:63.9375em){.back-top{bottom:88px;display:flex;right:14px}}

/* ===== Foundation overrides ===== */
.reveal{
  background:rgba(8,35,46,.97);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-glow),0 50px 100px -50px rgba(2,20,30,.8);padding:0;color:var(--text-main);
  position:relative;max-width:620px;backdrop-filter:blur(24px);
}
.reveal .close-button{right:20px;top:18px;color:var(--text-muted);font-size:36px;transition:color .3s}
.reveal .close-button:hover{color:#fff}
.form-shell{padding:38px 40px 32px}
.form-shell h3{font-size:26px;font-weight:700;margin-bottom:8px}
.form-shell>p{color:var(--text-sub);font-size:15px;margin-bottom:28px}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--text-main);margin-bottom:8px}
.form-control{
  width:100%;background:rgba(4,28,38,.72);border:1px solid var(--line-soft);border-radius:var(--radius-btn);
  padding:12px 18px;height:50px;color:var(--text-main);font-size:15px;transition:border-color .3s,box-shadow .3s;
}
.form-control::placeholder{color:#537581}
.form-control:focus{background:rgba(4,25,35,.9);border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,219,180,.18)}
select.form-control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--accent) 50%),linear-gradient(135deg,var(--accent) 50%,transparent 50%);background-position:calc(100% - 26px) 50%,calc(100% - 20px) 50%;background-repeat:no-repeat;background-size:6px 6px;padding-right:42px}
textarea.form-control{height:110px;resize:vertical}
.form-row{margin-bottom:22px}
.form-privacy{margin-top:24px;padding:16px 18px;background:rgba(4,28,38,.5);border:1px solid rgba(165,235,224,.16);border-radius:14px;font-size:13px;color:#8AA6B5;line-height:1.75}
.form-privacy strong{color:#C4DCE6;font-weight:600}
.form-reveal-mask{background:rgba(2,18,25,.72);backdrop-filter:blur(6px)}
@media screen and (max-width:39.9375em){
  .form-shell{padding:28px 18px}
}

/* ===== utility ===== */
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}
.glass-panel{background:var(--glass-strong);backdrop-filter:blur(16px);border:1px solid var(--line-soft);border-radius:var(--radius-md)}

/* ===== Fade reveal ===== */
.fade-up{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.fade-up.in-view{opacity:1;transform:none}

/* ===== Print / accessibility ===== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important;scroll-behavior:auto!important}
}
@media (max-width:39.9375em){
  .container{padding-left:18px;padding-right:18px}
}

/* roulang page: category1 */
:root {
            --accent: #3DDBB4;
            --accent-2: #24A8D9;
            --bg: #08232E;
            --bg-deep: #061C26;
            --bg-2: #0D2F3D;
            --panel: rgba(14, 50, 65, .62);
            --panel-deep: rgba(8, 34, 44, .88);
            --border: rgba(165, 235, 224, .28);
            --text: #EAF6F3;
            --muted: #9DBECD;
            --weak: #6E92A0;
            --danger: #E5696E;
            --success: #4FD5A4;
            --amber: #F5B25D;
            --r-lg: 24px;
            --r-card: 18px;
            --r-btn: 12px;
            --r-pill: 999px;
            --shadow-card: 0 18px 44px rgba(4, 15, 22, .38), 0 0 0 1px rgba(165, 235, 224, .05) inset;
            --glow-primary: 0 0 0 1px rgba(135, 255, 220, .20), 0 16px 32px rgba(6, 120, 150, .20), 0 0 42px rgba(61, 219, 180, .14);
            --space-desktop: 96px;
            --space-tablet: 72px;
            --space-mobile: 56px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }
        a:hover {
            color: #B8F4DE;
        }
        p {
            color: var(--muted);
            margin: 0 0 18px;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
        }
        li {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .grid-margin-x>.cell {
            margin-bottom: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 23, 32, .78);
            backdrop-filter: saturate(130%) blur(20px);
            -webkit-backdrop-filter: saturate(130%) blur(20px);
            border-bottom: 1px solid rgba(165, 235, 224, .18);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header.scrolled {
            background: rgba(4, 20, 29, .92);
            box-shadow: 0 20px 40px rgba(3, 15, 21, .28);
        }
        .header-inner {
            display: flex;
            align-items: center;
            min-height: 76px;
            gap: 18px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            flex: 0 0 auto;
            min-height: 44px;
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            color: var(--accent);
            background: rgba(61, 219, 180, .08);
            border: 1px solid rgba(61, 219, 180, .38);
            border-radius: 11px;
            box-shadow: 0 0 22px rgba(61, 219, 180, .22);
        }
        .logo-mark svg {
            width: 23px;
            height: 23px;
        }
        .brand-name {
            font-size: 19px;
            color: var(--text);
            line-height: 1.1;
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .brand-name strong {
            color: var(--accent);
            font-weight: 900;
        }
        .brand-name small {
            display: block;
            font-size: 10px;
            font-weight: 400;
            letter-spacing: .18em;
            color: var(--weak);
            margin-top: 2px;
        }
        .brand-logo .brand-name {
            font-size: 18px;
            color: var(--text);
            line-height: 1.2;
        }

        .main-nav {
            margin: 0 auto;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            min-height: 42px;
            padding: 9px 13px;
            border-radius: var(--r-pill);
            color: var(--muted);
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
        }
        .nav-link .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--weak);
            transition: all .22s ease;
        }
        .nav-link.is-active .dot {
            background: var(--accent);
            box-shadow: 0 0 12px rgba(61, 219, 180, .85);
        }
        .nav-link:hover,
        .nav-link.is-active,
        .nav-item.is-active>.nav-link {
            color: var(--text);
            background: rgba(61, 219, 180, .06);
        }
        .nav-link:hover .dot,
        .nav-link.is-active .dot,
        .nav-item.is-active>.nav-link .dot {
            background: var(--accent);
            box-shadow: 0 0 12px rgba(61, 219, 180, .7);
        }
        .nav-more.has-focused .nav-link,
        .nav-link:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(61, 219, 180, .35);
            color: var(--text);
        }

        .nav-sub {
            position: absolute;
            top: calc(100% + 10px);
            left: -20px;
            width: 560px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
            padding: 14px;
            background: rgba(5, 22, 31, .94);
            border: 1px solid var(--border);
            border-radius: var(--r-lg);
            box-shadow: var(--shadow-card), 0 22px 60px rgba(3, 12, 18, .5);
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all .24s ease;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }
        .nav-more:hover .nav-sub,
        .nav-more:focus-within .nav-sub,
        .nav-more.expanded .nav-sub {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .sub-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 13px 15px;
            border-radius: 16px;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.55;
            transition: all .2s ease;
        }
        .sub-item strong {
            color: var(--text);
            font-size: 14px;
            font-weight: 700;
            transition: color .2s ease;
        }
        .sub-item:hover,
        .sub-item[aria-current="page"] {
            background: rgba(61, 219, 180, .08);
            color: var(--text);
        }
        .sub-item:hover strong,
        .sub-item[aria-current="page"] strong {
            color: var(--accent);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 0 0 auto;
        }
        .header-tel {
            color: var(--muted);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .02em;
            font-variant-numeric: tabular-nums;
            white-space: nowrap;
        }
        .header-tel:hover {
            color: var(--accent);
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(165, 235, 224, .2);
            border-radius: 12px;
            color: var(--text);
            cursor: pointer;
            padding: 0;
        }
        .menu-toggle svg {
            width: 22px;
            height: 22px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 24px;
            border-radius: var(--r-btn);
            border: 0;
            font-size: 15px;
            font-weight: 700;
            text-align: center;
            cursor: pointer;
            transition: transform .22s ease, box-shadow .28s ease, color .22s ease, background .22s ease, border-color .22s ease;
            text-decoration: none;
            line-height: 1.2;
            white-space: nowrap;
        }
        .btn-sm {
            min-height: 44px;
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-lg {
            min-height: 54px;
            padding: 16px 30px;
            font-size: 16px;
        }
        .btn-block {
            width: 100%;
        }
        .btn-primary {
            background: linear-gradient(135deg, #3DDBB4 0%, #24A8D9 100%);
            color: #04252D;
            box-shadow: 0 0 0 1px rgba(235, 255, 246, .15) inset, 0 8px 22px rgba(5, 78, 93, .25), 0 4px 14px rgba(61, 219, 180, .18);
        }
        .btn-primary:hover {
            color: #032027;
            transform: translateY(-2px) scale(1.01);
            box-shadow: 0 0 0 1px rgba(220, 255, 230, .2) inset, 0 12px 28px rgba(6, 100, 120, .28), 0 0 32px rgba(61, 219, 180, .28);
        }
        .btn-primary:active {
            color: #04252D;
            transform: translateY(1px) scale(.98);
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(165, 235, 224, .38);
            color: var(--text);
        }
        .btn-ghost:hover {
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(61, 219, 180, .14);
        }
        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .menu-toggle:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(61, 219, 180, .4);
        }

        .text-accent {
            color: var(--accent);
            text-shadow: 0 0 22px rgba(61, 219, 180, .28);
        }

        .page-hero {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 38vh;
            padding: 116px 0 80px;
            overflow: hidden;
            background:
                linear-gradient(105deg, rgba(4, 19, 27, .93) 0%, rgba(7, 30, 41, .86) 45%, rgba(8, 35, 46, .48) 76%, rgba(15, 52, 63, .10) 100%),
                url("/assets/images/backpic/back-1.png") no-repeat right center / cover;
            border-bottom: 1px solid rgba(61, 219, 180, .18);
        }
        .page-hero::after {
            content: "";
            position: absolute;
            inset: auto 0 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(61, 219, 180, .55), transparent);
            z-index: 1;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--weak);
            letter-spacing: .01em;
            margin-bottom: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--muted);
            transition: color .2s ease;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: var(--weak);
            opacity: .6;
            margin: 0 4px;
        }
        .page-hero h1 {
            font-size: clamp(40px, 5vw, 66px);
            line-height: 1.14;
            letter-spacing: -.025em;
            font-weight: 900;
            max-width: 11.5em;
            margin: 0 0 22px;
            color: var(--text);
        }
        .hero-lead {
            color: var(--muted);
            font-size: clamp(15px, 1.7vw, 18px);
            line-height: 1.8;
            max-width: 600px;
            margin: 0 0 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .hero-side-note {
            margin-top: 0;
        }
        .hero-card {
            padding: 24px;
            border-radius: var(--r-lg);
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .hero-card strong {
            color: var(--text);
            display: block;
            font-size: 16px;
            margin-bottom: 6px;
        }

        .section {
            padding: var(--space-desktop) 0;
        }
        .section-alt {
            background: var(--bg-2);
        }
        .section-deep {
            background: var(--bg-deep);
        }
        .section-head {
            margin-bottom: 48px;
            max-width: 820px;
        }
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .section-kicker::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 14px rgba(61, 219, 180, .8);
        }
        .section-head h2 {
            font-size: clamp(28px, 3.2vw, 38px);
            line-height: 1.24;
            letter-spacing: -.02em;
            font-weight: 800;
            color: var(--text);
            margin: 8px 0 18px;
        }
        .section-head p {
            max-width: 760px;
            color: var(--muted);
            font-size: 16px;
        }

        .glass-card {
            position: relative;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--r-lg);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            overflow: hidden;
        }
        .glass-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(210, 250, 240, .55), transparent);
            z-index: 2;
            pointer-events: none;
        }

        .intro-split {
            background:
                radial-gradient(ellipse at 15% 0%, rgba(61, 219, 180, .06), transparent 34%),
                linear-gradient(180deg, #071e28, var(--bg));
        }
        .intro-content h2 {
            font-size: clamp(28px, 3vw, 38px);
            font-weight: 800;
            line-height: 1.28;
            letter-spacing: -.02em;
            color: var(--text);
            margin: 8px 0 26px;
        }
        .intro-content h3 {
            color: var(--text);
            font-size: 22px;
            font-weight: 750;
            margin: 34px 0 12px;
        }
        .intro-content p {
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 16px;
            max-width: 680px;
        }
        .content-point {
            display: flex;
            gap: 12px;
            margin: 18px 0;
        }
        .content-point-icon {
            width: 28px;
            height: 28px;
            flex: 0 0 28px;
            display: grid;
            place-items: center;
            border-radius: 9px;
            color: var(--accent);
            border: 1px solid rgba(61, 219, 180, .35);
            background: rgba(61, 219, 180, .06);
            font-size: 13px;
            font-weight: 800;
        }
        .content-point p {
            margin: 0;
            color: var(--muted);
        }
        .content-point p strong {
            color: var(--text);
            font-weight: 700;
        }

        .aside-col {
            align-self: start;
        }
        .status-card {
            padding: 10px 22px 24px;
            position: sticky;
            top: 100px;
        }
        .status-card .cover {
            margin: 0 -22px 20px;
            height: 190px;
            overflow: hidden;
            border-bottom: 1px solid rgba(165, 235, 224, .15);
        }
        .status-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .status-card h3 {
            color: var(--text);
            font-size: 21px;
            font-weight: 800;
            margin: 0 0 14px;
            letter-spacing: -.01em;
        }
        .status-card>.status-list {
            border-top: 1px solid rgba(165, 235, 224, .15);
            margin: 4px 0 22px;
        }
        .status-list li {
            display: flex;
            gap: 10px;
            padding: 13px 0;
            border-bottom: 1px solid rgba(165, 235, 224, .12);
            line-height: 1.6;
            color: var(--muted);
            font-size: 14px;
        }
        .status-list .check-icon {
            width: 20px;
            height: 20px;
            flex: 0 0 20px;
            border-radius: 50%;
            background: rgba(61, 219, 180, .15);
            color: var(--accent);
            border: 1px solid rgba(61, 219, 180, .3);
            display: grid;
            place-items: center;
            font-size: 14px;
            font-weight: 800;
            line-height: 1;
            margin-top: 2px;
        }
        .status-card .btn {
            width: 100%;
        }
        .micro-note {
            color: var(--weak);
            font-size: 12px;
            text-align: center;
            margin: 14px 0 0;
        }

        .pain-grid-section {
            background:
                radial-gradient(circle at 80% 10%, rgba(36, 168, 217, .09), transparent 30%),
                var(--bg-2);
            border-top: 1px solid rgba(165, 235, 224, .08);
            border-bottom: 1px solid rgba(165, 235, 224, .08);
        }
        .stretch>.cell {
            display: flex;
        }
        .stretch>.cell>* {
            width: 100%;
        }
        .pain-card {
            padding: 30px 28px;
            min-height: 250px;
            display: flex;
            flex-direction: column;
        }
        .pain-card .pain-index {
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .12em;
            color: var(--weak);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .pain-card .pain-index::after {
            content: "";
            height: 1px;
            background: rgba(165, 235, 224, .16);
            flex: 1;
        }
        .pain-card h3 {
            color: var(--text);
            font-size: 20px;
            font-weight: 750;
            line-height: 1.45;
            letter-spacing: -.01em;
            margin: 0 0 14px;
        }
        .pain-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 22px;
        }
        .pain-card .body-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
        }
        .pain-card .body-link svg {
            width: 16px;
            height: 16px;
            transition: transform .2s ease;
        }
        .pain-card .body-link:hover {
            color: var(--accent);
        }
        .pain-card .body-link:hover svg {
            transform: translateX(4px);
        }

        .flow-section {
            background: var(--bg);
        }
        .flow-card {
            padding: 26px 24px;
            border-radius: var(--r-card);
            background: var(--panel);
            border: 1px solid var(--border);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all .26s ease;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .flow-card::before {
            content: "";
            position: absolute;
            top: -1px;
            left: 18px;
            right: 18px;
            height: 1px;
            background: linear-gradient(90deg, transparent, #a5ebdf, transparent);
            opacity: .25;
        }
        .flow-card:hover {
            border-color: rgba(61, 219, 180, .4);
            transform: translateY(-4px);
            box-shadow: 0 22px 44px rgba(4, 22, 29, .38), 0 0 18px rgba(61, 219, 180, .1);
        }
        .flow-step {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
        }
        .flow-step-num {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            color: #04252D;
            background: linear-gradient(135deg, #3DDBB4, #24A8D9);
            font-weight: 900;
            font-size: 14px;
            box-shadow: 0 0 18px rgba(61, 219, 180, .28);
        }
        .flow-step-text {
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .04em;
        }
        .flow-card h3 {
            color: var(--text);
            font-size: 20px;
            font-weight: 750;
            line-height: 1.4;
            margin: 0 0 14px;
            letter-spacing: -.01em;
        }
        .flow-card p {
            color: var(--muted);
            font-size: 14.5px;
            margin-bottom: 0;
        }
        .flow-card .flow-tag {
            margin-top: 18px;
            display: inline-flex;
            width: fit-content;
            background: rgba(61, 219, 180, .10);
            border: 1px solid rgba(61, 219, 180, .25);
            padding: 4px 11px;
            border-radius: var(--r-pill);
            color: var(--accent);
            font-size: 12px;
        }

        .faq-section {
            background: var(--bg-deep);
            border-top: 1px solid rgba(165, 235, 224, .08);
        }
        .faq-wrap {
            max-width: 900px;
        }
        .accordion {
            background: transparent;
            border: 0;
            margin: 0;
        }
        .accordion-item {
            background: rgba(14, 50, 65, .38);
            border: 1px solid var(--border);
            border-radius: var(--r-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
        }
        .accordion-item.is-active {
            border-color: rgba(61, 219, 180, .46);
            box-shadow: 0 10px 30px rgba(4, 22, 28, .28), 0 0 18px rgba(61, 219, 180, .08);
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            margin: 0;
            background: transparent !important;
            color: var(--text);
            font-size: 17px;
            line-height: 1.5;
            font-weight: 650;
            padding: 22px 54px 22px 24px !important;
            min-height: 64px;
            position: relative;
            border: 0;
        }
        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--accent);
            background: rgba(61, 219, 180, .04) !important;
            outline: none;
        }
        .accordion-title::after {
            content: "+";
            position: absolute;
            right: 22px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 23px;
            font-weight: 400;
            line-height: 1;
            color: var(--accent);
            transition: transform .25s ease;
            width: 22px;
            height: 22px;
            text-align: center;
        }
        .accordion-item.is-active>.accordion-title::after {
            transform: translateY(-50%) rotate(45deg);
        }
        .accordion-content {
            background: rgba(3, 18, 24, .38) !important;
            color: var(--muted);
            border-top: 1px solid rgba(165, 235, 224, .12);
        }
        .accordion-content p:last-child {
            margin-bottom: 0;
        }
        .accordion-content .accordion-inside {
            padding: 0 24px 22px;
        }
        .accordion-content p {
            color: var(--muted);
            line-height: 1.82;
        }
        .faq-more {
            margin-top: 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }
        .faq-more p {
            margin: 0;
            color: var(--muted);
        }

        .end-cta {
            background:
                radial-gradient(ellipse at 80% 50%, rgba(36, 168, 217, .12), transparent 40%),
                linear-gradient(180deg, var(--bg), #08242D);
            padding: var(--space-desktop) 0;
        }
        .cta-band {
            padding: clamp(32px, 6vw, 62px);
            border-radius: var(--r-lg);
            text-align: center;
            max-width: 880px;
            margin: 0 auto;
            background: rgba(14, 50, 65, .54);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            top: 0;
            left: 15%;
            right: 15%;
            height: 1px;
            background: linear-gradient(90deg, transparent, #CFF6ED, transparent);
        }
        .cta-band h2 {
            color: var(--text);
            font-size: clamp(27px, 3.4vw, 38px);
            line-height: 1.3;
            font-weight: 850;
            letter-spacing: -.025em;
            margin: 0 0 16px;
        }
        .cta-band p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.85;
            max-width: 640px;
            margin: 0 auto 30px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        .contact-reveal {
            background: rgba(5, 24, 33, .97);
            border: 1px solid rgba(61, 219, 180, .4);
            border-radius: var(--r-lg);
            box-shadow: var(--glow-primary), 0 38px 90px rgba(2, 14, 19, .65);
            color: var(--text);
            padding: 38px 34px 32px;
            max-width: 680px;
        }
        .contact-reveal .reveal-head {
            margin-bottom: 6px;
        }
        .contact-reveal h3 {
            color: var(--text);
            font-size: 26px;
            line-height: 1.3;
            margin: 0 0 12px;
            font-weight: 800;
        }
        .contact-reveal .reveal-head p {
            color: var(--muted);
            margin-bottom: 20px;
        }
        .contact-reveal .close-button {
            color: var(--muted);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: grid;
            place-items: center;
            text-align: center;
            line-height: 1;
            font-size: 22px;
            transition: all .2s ease;
            right: 14px;
            top: 12px;
        }
        .contact-reveal .close-button:hover {
            color: var(--accent);
            background: rgba(61, 219, 180, .08);
        }
        .lead-form .field-group {
            margin: 0 0 18px;
        }
        .lead-form label {
            display: block;
            font-size: 14px;
            font-weight: 650;
            color: var(--text);
            margin-bottom: 7px;
            letter-spacing: .01em;
        }
        .lead-form input[type="text"],
        .lead-form input[type="tel"],
        .lead-form select,
        .lead-form textarea {
            width: 100%;
            min-height: 48px;
            background: rgba(3, 18, 25, .55);
            color: var(--text);
            border: 1px solid rgba(165, 235, 224, .24);
            border-radius: 12px;
            padding: 11px 14px;
            font-size: 15px;
            line-height: 1.6;
            margin: 0;
            box-shadow: none;
            transition: border-color .2s, box-shadow .2s;
        }
        .lead-form input:focus,
        .lead-form select:focus,
        .lead-form textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(61, 219, 180, .16);
            outline: none;
        }
        .lead-form textarea {
            min-height: 112px;
            resize: vertical;
        }
        .lead-form input.is-invalid,
        .lead-form textarea.is-invalid {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(229, 105, 110, .12);
        }
        .privacy-note {
            background: rgba(3, 17, 23, .5);
            border: 1px solid rgba(165, 235, 224, .16);
            border-radius: 14px;
            padding: 14px 15px;
            font-size: 13px;
            line-height: 1.7;
            color: var(--weak);
            margin: 12px 0 20px;
        }
        .privacy-note strong {
            color: var(--muted);
            font-weight: 650;
        }
        .form-success-message {
            margin: 14px 0 0;
            padding: 12px 14px;
            border-radius: 12px;
            background: rgba(79, 213, 164, .1);
            border: 1px solid rgba(79, 213, 164, .3);
            color: var(--success);
            font-size: 14px;
            line-height: 1.6;
        }
        .form-success-message[hidden] {
            display: none;
        }
        .form-call-note {
            text-align: center;
            font-size: 13px;
            color: var(--weak);
            margin-top: 14px;
        }
        .form-call-note a {
            color: var(--muted);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .site-footer {
            background: #061A23;
            color: var(--text);
            border-top: 1px solid rgba(61, 219, 180, .25);
            position: relative;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            top: -1px;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(61, 219, 180, .7), transparent);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 46px;
            padding: 62px 0 48px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-desc {
            color: var(--weak);
            line-height: 1.8;
            font-size: 14.5px;
            max-width: 360px;
            margin: 0;
        }
        .footer-col-title {
            color: var(--text);
            font-size: 15px;
            font-weight: 750;
            letter-spacing: .06em;
            margin: 0 0 18px;
            padding-bottom: 10px;
            position: relative;
        }
        .footer-col-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 26px;
            height: 2px;
            background: var(--accent);
            border-radius: 3px;
            box-shadow: 0 0 10px rgba(61, 219, 180, .4);
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.5;
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .footer-bottom {
            background: rgba(3, 17, 25, .72);
            border-top: 1px solid rgba(165, 235, 224, .08);
            padding: 20px 0;
        }
        .footer-bottom .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .footer-copy {
            color: var(--weak);
            font-size: 13.5px;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13.5px;
            color: var(--weak);
        }
        .footer-bottom-links a {
            color: var(--weak);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        .back-top-btn {
            position: fixed;
            right: 22px;
            bottom: 28px;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            border: 1px solid rgba(61, 219, 180, .35);
            background: rgba(8, 35, 46, .78);
            color: var(--accent);
            display: grid;
            place-items: center;
            cursor: pointer;
            z-index: 80;
            box-shadow: 0 8px 22px rgba(4, 16, 22, .3);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all .22s ease;
            text-decoration: none;
        }
        .back-top-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 26px rgba(4, 16, 22, .4);
            color: var(--accent);
            background: rgba(7, 42, 54, .9);
        }
        .back-top-btn svg {
            width: 20px;
            height: 20px;
        }

        @media (max-width: 63.9375em) {
            .header-inner {
                min-height: 68px;
            }
            .site-header {
                position: sticky;
                top: 0;
            }
            .header-tel {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .main-nav {
                position: absolute;
                top: calc(100% + 8px);
                left: 18px;
                right: 18px;
                width: auto;
                background: rgba(4, 22, 30, .96);
                border: 1px solid var(--border);
                border-radius: var(--r-lg);
                box-shadow: 0 28px 60px rgba(2, 13, 18, .6);
                padding: 12px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: all .2s ease;
            }
            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .nav-link {
                width: 100%;
                display: flex;
                justify-content: space-between;
                min-height: 48px;
                padding: 12px 16px;
            }
            .nav-sub {
                position: static;
                width: 100%;
                display: none;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background: rgba(6, 30, 39, .65);
                border: 0;
                border-radius: 16px;
                padding: 8px;
                margin-top: 4px;
            }
            .nav-more.expanded .nav-sub {
                display: grid;
                opacity: 1;
                visibility: visible;
            }
            .nav-item .nav-sub a.sub-item {
                border-radius: 12px;
                padding: 12px;
                margin: 0;
            }
            .page-hero {
                min-height: auto;
                padding: 96px 0 64px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 39.9375em) {
            .container {
                padding: 0 18px;
            }
            .section {
                padding: 56px 0;
            }
            .end-cta {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .page-hero h1 {
                font-size: 40px;
            }
            .header-inner {
                gap: 8px;
            }
            .brand-logo small {
                display: none;
            }
            .nav-link {
                min-height: 46px;
            }
            .contact-reveal {
                padding: 28px 20px 24px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                padding: 46px 0 32px;
            }
            .footer-bottom .container {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
            .back-top-btn {
                right: 16px;
                bottom: 16px;
            }
        }

/* roulang page: article */
:root {
  --bg-deep: #061C26;
  --bg-main: #08232E;
  --bg-raised: #0D2F3D;
  --bg-panel: rgba(14, 50, 65, .62);
  --glass-border: rgba(165, 235, 224, .28);
  --primary: #3DDBB4;
  --secondary: #24A8D9;
  --amber: #F5B25D;
  --text: #EAF6F3;
  --text-2: #9DBECD;
  --text-muted: #6E92A0;
  --danger: #E5696E;
  --success: #4FD5A4;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-btn: 12px;
  --shadow: 0 24px 60px rgba(2, 18, 26, .35);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg-main);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1000px 420px at 12% -6%, rgba(61, 219, 180, .08), transparent 60%),
    radial-gradient(760px 320px at 88% 14%, rgba(36, 168, 217, .07), transparent 55%),
    linear-gradient(180deg, rgba(6, 28, 38, .3), transparent 16%);
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .25s var(--ease);
}

a:hover { color: #6DF0CE; }

ul, ol, p, h1, h2, h3, h4, figure, blockquote, dl, dd { margin: 0; }

ul, ol { padding: 0; list-style: none; }

button {
  font-family: inherit;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 3px;
  border-radius: 8px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 300;
  background: #0D2F3D;
  color: var(--text);
  padding: 10px 18px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  transition: top .3s var(--ease);
}

.skip-link:focus { top: 14px; color: var(--text); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 26px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 120;
  background: rgba(6, 28, 38, .5);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(6, 28, 38, .92);
  border-bottom-color: rgba(165, 235, 224, .13);
  box-shadow: 0 20px 50px rgba(1, 10, 18, .28);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 76px;
  gap: 14px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 4px 0;
  color: var(--text);
}

.brand-logo:hover { color: var(--primary); }

.logo-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: linear-gradient(145deg, rgba(61, 219, 180, .2), rgba(36, 168, 217, .12));
  border: 1px solid rgba(165, 235, 224, .24);
  border-radius: 10px;
  flex: 0 0 auto;
  box-shadow: inset 0 0 12px rgba(61, 219, 180, .08);
}

.logo-mark svg { width: 22px; height: 22px; }

.brand-name {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}

.brand-name strong { color: var(--primary); font-weight: 800; }

.brand-name small {
  margin-left: 4px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: .04em;
}

.main-nav { margin-left: auto; }

.nav-list { display: flex; align-items: center; margin: 0; }

.nav-item { position: relative; display: flex; align-items: center; min-height: 76px; }

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 19px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
  position: relative;
  border-radius: 999px;
  letter-spacing: .01em;
}

.nav-link after { content: ""; }

.nav-link .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(61, 219, 180, .8);
  opacity: 0;
  transform: scale(.6);
  transition: opacity .2s, transform .2s;
}

.nav-link.is-active, .nav-link:hover { color: var(--text); }

.nav-link.is-active .dot, .nav-item:hover .nav-link .dot { opacity: 1; transform: scale(1); }

.nav-link.is-active::before,
.nav-link:hover::before {
  content: "";
  position: absolute;
  left: 19px;
  right: 19px;
  bottom: -2px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  box-shadow: 0 0 10px rgba(61, 219, 180, .4);
}

.header-right { display: flex; align-items: center; gap: 14px; margin-left: 10px; }

.header-tel {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: .02em;
  white-space: nowrap;
}

.header-tel:hover { color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: transform .22s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), filter .22s;
}

.btn-primary {
  background: linear-gradient(135deg, #3DDBB4 0%, #2AB9D2 55%, #24A8D9 100%);
  color: #04252E;
  box-shadow: 0 16px 42px rgba(36, 168, 217, .28), 0 5px 14px rgba(61, 219, 180, .2);
}

.btn-primary:hover {
  color: #031B23;
  transform: translateY(-3px);
  filter: brightness(1.06);
  box-shadow: 0 20px 50px rgba(36, 168, 217, .38), 0 7px 18px rgba(61, 219, 180, .26);
}

.btn-primary:active { transform: translateY(1px) scale(.97); }

.btn-glass {
  background: rgba(36, 168, 217, .12);
  color: #CFF8EF;
  border: 1px solid rgba(165, 235, 224, .25);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.btn-glass:hover {
  background: rgba(36, 168, 217, .2);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(6, 50, 65, .3);
}

.btn-ghost {
  background: transparent;
  color: #DDF7F1;
  border: 1px solid rgba(234, 246, 243, .3);
}

.btn-ghost:hover {
  color: #fff;
  border-color: rgba(165, 235, 224, .55);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, .03);
}

.btn-sm { min-height: 38px; padding: 0 17px; font-size: 14px; }

.btn-block { width: 100%; }

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: var(--text);
  background: rgba(36, 168, 217, .1);
  border: 1px solid rgba(165, 235, 224, .18);
  margin-left: 2px;
}

.menu-toggle svg { width: 22px; height: 22px; }

.nav-sub {
  position: absolute;
  top: 66px;
  left: 50%;
  width: 400px;
  padding: 12px;
  background: rgba(7, 29, 40, .97);
  border: 1px solid rgba(165, 235, 224, .17);
  border-radius: 20px;
  box-shadow: 0 28px 70px rgba(1, 12, 20, .45);
  transform: translateX(-50%) translateY(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.nav-sub::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(165, 235, 224, .35), transparent);
}

.nav-item:hover .nav-sub, .nav-item:focus-within .nav-sub {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.sub-item {
  display: block;
  padding: 13px 16px;
  border-radius: 14px;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.55;
  border-left: 2px solid transparent;
  transition: background .2s, color .2s, border-color .2s;
}

.sub-item strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14px;
  color: var(--text);
  transition: color .2s;
}

.sub-item:hover {
  background: rgba(36, 168, 217, .08);
  color: var(--text);
  border-left-color: var(--primary);
}

.sub-item:hover strong { color: var(--primary); }

.mobile-tabbar { display: none; }

@media (max-width: 63.99875em) {
  .main-nav.desktop-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 16px;
    right: 16px;
    z-index: 150;
    background: rgba(6, 28, 38, .98);
    border: 1px solid rgba(165, 235, 224, .18);
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(0, 8, 14, .46);
    padding: 14px;
    margin: 0 auto;
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
  }

  .main-nav.desktop-menu.open { display: block; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-item { min-height: auto; display: block; }

  .nav-link {
    width: 100%;
    min-height: 46px;
    justify-content: flex-start;
    border-radius: 12px;
    font-size: 15px;
    padding: 0 14px;
  }

  .nav-link.is-active::before, .nav-link:hover::before { display: none; }

  .nav-sub {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    width: 100%;
    padding: 10px;
    margin: 6px 0 8px;
    background: rgba(10, 40, 52, .92);
    border-radius: 16px;
    box-shadow: none;
    transition: none;
  }

  .nav-item:hover .nav-sub, .nav-item:focus-within .nav-sub {
    transform: none;
  }

  .sub-item { padding: 11px 15px; }

  .header-inner { min-height: 68px; }

  .header-tel { display: none; }

  .header-main-cta { display: none; }

  .menu-toggle { display: inline-flex; }

  .mobile-tabbar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    background: rgba(6, 28, 38, .92);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-top: 1px solid rgba(165, 235, 224, .18);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    box-shadow: 0 -18px 40px rgba(1, 10, 18, .2);
  }

  .mobile-tabbar-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 54px;
    color: var(--text-muted);
    background: transparent;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    position: relative;
    line-height: 1.2;
    padding: 4px 2px;
  }

  .mobile-tabbar-item svg { width: 21px; height: 21px; }

  .mobile-tabbar-item span { display: block; }

  .mobile-tabbar-item.is-active { color: var(--primary); }

  .mobile-tabbar-item.is-active::before {
    content: "";
    position: absolute;
    left: 50%;
    top: -6px;
    width: 18px;
    height: 2px;
    transform: translateX(-50%);
    background: var(--primary);
    box-shadow: 0 0 10px rgba(61, 219, 180, .8);
    border-radius: 999px;
  }

  .mobile-tabbar-item:hover { color: var(--primary); }

  .mobile-tabbar-item:active { transform: scale(.96); }
}

.article-page-main {
  position: relative;
  z-index: 1;
  padding: 132px 0 72px;
  min-height: 60vh;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 0 18px;
}

.article-breadcrumb a {
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s;
}

.article-breadcrumb a:hover { color: var(--primary); }

.crumb-sep { color: rgba(157, 190, 205, .45); font-size: 12px; }

.crumb-current { color: var(--primary); font-weight: 600; }

.article-head {
  max-width: 860px;
  padding: 26px 0 32px;
}

.article-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
}

.article-kicker .kicker-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 13px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(61, 219, 180, .12);
  border: 1px solid rgba(61, 219, 180, .24);
  border-radius: 999px;
}

.article-kicker .kicker-label {
  color: var(--text-muted);
  font-size: 14px;
}

.article-title {
  font-size: clamp(34px, 4.4vw, 54px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--text);
  max-width: 780px;
  text-wrap: balance;
}

.article-title em {
  font-style: normal;
  color: var(--primary);
  text-shadow: 0 0 28px rgba(61, 219, 180, .15);
}

.article-byline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-top: 22px;
  color: var(--text-muted);
  font-size: 14px;
}

.byline-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.byline-item svg { width: 16px; height: 16px; color: var(--secondary); }

.byline-sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(157, 190, 205, .3);
}

.article-grid { margin-top: 8px; }

.article-main-panel {
  width: 100%;
  padding: 42px 40px;
  background: rgba(6, 29, 39, .55);
  border: 1px solid rgba(165, 235, 224, .16);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  position: relative;
}

.article-main-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 30px;
  right: 30px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(165, 235, 224, .36), transparent);
}

.article-body { font-size: 16px; }

.article-body > * + * { margin-top: 1.25em; }

.article-body p {
  color: #D6EBE7;
  line-height: 1.9;
  font-size: 17px;
  max-width: 780px;
}

.article-body strong {
  color: var(--text);
  font-weight: 700;
}

.article-body em { color: var(--primary); font-style: normal; }

.article-body h2 {
  font-size: clamp(24px, 2.6vw, 31px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
  margin: 2.1em 0 .6em;
  padding-left: 16px;
  border-left: 3px solid var(--primary);
  border-radius: 2px;
}

.article-body h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  margin: 1.6em 0 .5em;
}

.article-body h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-top: 1.4em;
}

.article-body ul, .article-body ol {
  padding-left: 1.3em;
  max-width: 780px;
}

.article-body ul { list-style: square; }

.article-body ol { list-style: decimal; }

.article-body li {
  color: #D6EBE7;
  margin: .4em 0;
  line-height: 1.85;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(61, 219, 180, .4);
  text-underline-offset: 4px;
  transition: color .2s, text-decoration-color .2s;
}

.article-body a:hover { color: #8BF0DC; text-decoration-color: #8BF0DC; }

.article-body blockquote {
  margin: 1.8em 0;
  padding: 22px 26px;
  background: rgba(36, 168, 217, .08);
  border: 1px solid rgba(36, 168, 217, .16);
  border-left: 4px solid var(--secondary);
  border-radius: 16px;
  color: #C9E5F1;
}

.article-body blockquote p { font-size: 18px; color: #C9E5F1; }

.article-body img {
  border-radius: 18px;
  margin: 28px 0;
  border: 1px solid var(--glass-border);
  background: #08232E;
}

.article-body figure { margin: 28px 0; }

.article-body figcaption {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 12px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  overflow: hidden;
  border-radius: 12px;
}

.article-body th, .article-body td {
  padding: 13px 16px;
  border: 1px solid rgba(165, 235, 224, .14);
  text-align: left;
  background: rgba(13, 47, 61, .4);
  font-size: 15px;
}

.article-body th {
  background: rgba(36, 168, 217, .15);
  color: var(--text);
  font-weight: 700;
}

.article-body code, .article-body pre {
  font-family: "SFMono-Regular", "Cascadia Code", Consolas, monospace;
}

.article-body pre {
  background: #061C26;
  padding: 20px 22px;
  border: 1px solid rgba(165, 235, 224, .16);
  border-radius: 16px;
  overflow-x: auto;
  color: #D8F2EC;
}

.article-hr {
  border: 0;
  height: 1px;
  margin: 40px 0;
  background: linear-gradient(90deg, transparent, rgba(165, 235, 224, .24), transparent);
}

.article-bottom-block { padding-top: 12px; }

.article-related-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.article-related-title::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px rgba(61, 219, 180, .8);
}

.article-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.article-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 13px;
  background: rgba(61, 219, 180, .08);
  border: 1px solid rgba(61, 219, 180, .16);
  color: #9FE8D9;
  font-size: 13px;
  border-radius: 999px;
  transition: background .2s, border-color .2s, color .2s;
}

.article-tag:hover {
  background: rgba(61, 219, 180, .18);
  border-color: rgba(61, 219, 180, .4);
  color: #fff;
}

.article-navigation {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding-top: 34px;
  margin-top: 30px;
  border-top: 1px solid rgba(165, 235, 224, .14);
}

.article-aside-cell { min-width: 0; }

.side-sticky {
  position: sticky;
  top: 104px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.side-panel {
  background: rgba(10, 42, 55, .72);
  border: 1px solid rgba(165, 235, 224, .16);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 14px 34px rgba(2, 18, 26, .18);
  position: relative;
  overflow: hidden;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.side-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(165, 235, 224, .32), transparent);
}

.side-panel-image {
  border-radius: 13px;
  overflow: hidden;
  border: 1px solid rgba(165, 235, 224, .18);
  margin: 0 0 16px;
  background: #08232E;
}

.side-panel-image img { width: 100%; }

.side-panel h2, .side-panel h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.4;
}

.side-panel h3 span {
  color: var(--primary);
}

.side-panel p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 18px;
}

.side-list { display: flex; flex-direction: column; gap: 6px; }

.side-list a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 13px;
  color: var(--text-2);
  font-size: 14px;
  transition: background .2s, color .2s, transform .2s, border-color .2s;
  border: 1px solid transparent;
}

.side-list a::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 6px rgba(36, 168, 217, .7);
  margin-top: 10px;
}

.side-list a:hover {
  background: rgba(61, 219, 180, .08);
  border-color: rgba(61, 219, 180, .18);
  color: var(--text);
  transform: translateX(3px);
}

.side-cta { text-align: center; }

.side-cta h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.side-cta p { font-size: 14px; }

.empty-article-section { min-height: 52vh; display: flex; align-items: center; justify-content: center; }

.empty-article {
  max-width: 520px;
  text-align: center;
  padding: 48px 22px;
}

.empty-article-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  border-radius: 24px;
  background: rgba(36, 168, 217, .12);
  border: 1px solid rgba(165, 235, 224, .2);
}

.empty-article-icon svg { width: 30px; height: 30px; }

.empty-article h1 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
}

.empty-article p {
  color: var(--text-2);
  margin-bottom: 26px;
  font-size: 15px;
}

.article-cta {
  position: relative;
  z-index: 1;
  padding: 88px 0;
  background: linear-gradient(105deg, rgba(6, 28, 38, .96) 0%, rgba(6, 28, 38, .76) 55%, rgba(13, 47, 61, .72) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-top: 1px solid rgba(165, 235, 224, .12);
  border-bottom: 1px solid rgba(165, 235, 224, .1);
}

.article-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding: 10px 0;
}

.article-cta-inner h2 {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--text);
  max-width: 620px;
  margin-bottom: 14px;
}

.article-cta-inner p {
  color: var(--text-2);
  max-width: 620px;
  font-size: 15px;
}

.cta-buttons { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }

.cta-desc { line-height: 1.8; }

.site-footer {
  position: relative;
  z-index: 1;
  background: #061A23;
  border-top: 1px solid rgba(165, 235, 224, .3);
}

.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(61, 219, 180, .5) 45%, rgba(36, 168, 217, .5) 65%, transparent 100%);
}

.footer-top {
  display: grid;
  grid-template-columns: 2.1fr 0.85fr 1fr;
  gap: 52px;
  padding: 64px 0 46px;
}

.footer-brand .brand-logo { margin-bottom: 16px; }

.footer-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
  max-width: 380px;
}

.footer-col-title {
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(61, 219, 180, .5);
}

.footer-links { display: flex; flex-direction: column; gap: 2px; }

.footer-links a, .footer-links button {
  color: var(--text-2);
  font-size: 14px;
  text-align: left;
  padding: 7px 0;
  display: inline-block;
  transition: color .2s, transform .2s;
}

.footer-links a:hover, .footer-links button:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(165, 235, 224, .1);
  background: rgba(4, 16, 23, .45);
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 22px;
  padding-bottom: 22px;
}

.footer-copy, .footer-bottom-links, .footer-bottom-links span {
  color: var(--text-muted);
  font-size: 13px;
}

.footer-bottom-links { display: inline-flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.footer-bottom-links a { color: var(--text-2); font-size: 13px; }

.footer-bottom-links a:hover { color: var(--primary); }

.contact-reveal {
  background: linear-gradient(155deg, rgba(10, 42, 55, .98), rgba(6, 28, 38, .98));
  border: 1px solid rgba(165, 235, 224, .28);
  border-radius: 24px;
  color: var(--text);
  padding: 36px !important;
  box-shadow: 0 40px 110px rgba(0, 12, 20, .6);
  max-width: 560px !important;
  position: relative;
  overflow: hidden;
}

.contact-reveal::before {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(61, 219, 180, .6), transparent);
}

.reveal-overlay {
  background: rgba(2, 16, 23, .76) !important;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.contact-reveal .close-button {
  color: var(--text-2);
  width: 42px;
  height: 42px;
  transition: color .2s, transform .2s;
}

.contact-reveal .close-button:hover { color: var(--primary); transform: rotate(90deg); }

.reveal-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}

.reveal-title span { color: var(--primary); }

.reveal-sub {
  color: var(--text-2);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.75;
}

.contact-form label {
  display: block;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
  margin: 18px 0 7px;
}

.contact-form .form-control {
  width: 100%;
  min-height: 46px;
  padding: 0 16px;
  background: #08232E;
  border: 1px solid rgba(165, 235, 224, .2);
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.contact-form textarea.form-control {
  min-height: 112px;
  padding: 12px 16px;
  resize: vertical;
  line-height: 1.7;
}

.contact-form .form-control::placeholder { color: #5E8290; }

.contact-form .form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #0A2E3B;
  box-shadow: 0 0 0 4px rgba(61, 219, 180, .14), 0 0 18px rgba(61, 219, 180, .08);
}

.contact-form select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%239DBECD' stroke-width='2'%3E%3Cpath d='m3 5 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

.contact-form select.form-control option { background: #0D2F3D; color: var(--text); }

.contact-form .form-submit { width: 100%; margin-top: 24px; min-height: 48px; }

.contact-form .privacy-note {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 24px;
  padding: 13px 14px;
  background: rgba(36, 168, 217, .08);
  border: 1px solid rgba(165, 235, 224, .16);
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.7;
}

.contact-form .privacy-note svg { flex: 0 0 auto; width: 16px; height: 16px; margin-top: 2px; }

fieldset { border: 0; margin: 0; padding: 0; }

@media (min-width: 40em) and (max-width: 63.99875em) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand { grid-column: 1 / -1; max-width: 520px; }

  .article-main-panel { padding: 34px 28px; }
}

@media (max-width: 39.9375rem) {
  .container { padding: 0 18px; }

  .article-page-main { padding: 110px 0 46px; }

  .article-title { font-size: 34px; }

  .article-byline { font-size: 13px; gap: 10px 14px; }

  .article-main-panel { padding: 28px 20px; border-radius: 20px; }

  .article-body p { font-size: 16px; line-height: 1.85; }

  .article-body h2 { font-size: 23px; padding-left: 12px; }

  .article-body blockquote { padding: 18px; }

  .article-navigation { flex-direction: column; align-items: stretch; }

  .article-cta { padding: 54px 0; }

  .article-cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .cta-buttons { width: 100%; flex-wrap: wrap; }

  .cta-buttons .btn { width: 100%; }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 44px 0 32px;
  }

  .footer-brand { grid-column: auto; }

  .footer-brand .brand-logo { margin-bottom: 12px; }

  .footer-desc { font-size: 13px; }

  .footer-bottom .container { flex-direction: column; align-items: flex-start; padding-top: 18px; padding-bottom: 18px; }

  .contact-reveal { padding: 26px 20px !important; border-radius: 20px; }

  .reveal-title { font-size: 23px; }
}

/* roulang page: category2 */
:root {
  --bg-deep: #061C26;
  --bg-dark: #08232E;
  --bg-raise: #0D2F3D;
  --glass: rgba(14, 50, 65, .62);
  --glass-strong: rgba(10, 40, 53, .86);
  --line: rgba(165, 235, 224, .16);
  --line-glow: rgba(165, 235, 224, .30);
  --accent: #3DDBB4;
  --accent-2: #24A8D9;
  --warm: #F5B25D;
  --white: #EAF6F3;
  --text-2: #9DBECD;
  --text-3: #6E92A0;
  --danger: #E5696E;
  --success: #4FD5A4;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --space-lg: 96px;
  --space-md: 72px;
  --space-sm: 56px;
  --shadow-card: 0 18px 44px rgba(2, 18, 25, .46), 0 2px 10px rgba(61, 219, 180, .06);
  --shadow-btn: 0 10px 30px rgba(4, 30, 39, .45), 0 6px 20px rgba(61, 219, 180, .22), 0 0 0 1px rgba(61, 219, 180, .08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-deep);
  background-image: radial-gradient(circle at 86% 12%, rgba(36, 168, 217, .12), transparent 32vw), radial-gradient(circle at 2% 62%, rgba(61, 219, 180, .08), transparent 38vw);
  color: var(--white);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  color: inherit;
}

.container {
  width: min(1240px, 92%);
  margin: 0 auto;
}

main {
  overflow: clip;
  padding-bottom: calc(68px + env(safe-area-inset-bottom));
}

:is(h1, h2, h3, h4, h5, p, ul, figure) {
  margin-top: 0;
}

h1, h2, h3 {
  text-wrap: balance;
}

a, button {
  outline-offset: 4px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
}

::selection {
  background: rgba(61, 219, 180, .28);
  color: #fff;
}

/* ---------- buttons ---------- */
.btn,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, filter .22s ease;
}

.btn-primary,
.button.primary {
  background: linear-gradient(135deg, rgba(61, 219, 180, 1), rgba(36, 168, 217, 1));
  color: #06232C;
  font-weight: 800;
  box-shadow: var(--shadow-btn);
  border: 1px solid rgba(194, 248, 235, .34);
}

.btn-primary:hover,
.button.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 38px rgba(4, 30, 39, .5), 0 8px 26px rgba(61, 219, 180, .3), 0 0 0 1px rgba(61, 219, 180, .14);
  filter: brightness(1.05);
}

.btn-primary:active,
.button.primary:active {
  transform: translateY(0) scale(.97);
}

.btn-ghost {
  background: rgba(234, 246, 243, .06);
  color: #B9E3DF;
  border: 1px solid rgba(165, 235, 224, .36);
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: rgba(165, 235, 224, .72);
  background: rgba(61, 219, 180, .09);
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
  border-radius: 10px;
}

.link-like {
  color: var(--text-2);
  transition: color .2s;
}

.link-like:hover {
  color: var(--accent);
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 76px;
  background: rgba(6, 28, 38, .66);
  border-bottom: 1px solid rgba(165, 235, 224, .13);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  transition: background .4s, border-color .4s, box-shadow .4s;
}

.site-header.is-scrolled {
  background: rgba(6, 28, 38, .89);
  border-bottom-color: rgba(165, 235, 224, .2);
  box-shadow: 0 12px 40px rgba(1, 10, 15, .36);
}

.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  flex: none;
}

.logo-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: linear-gradient(145deg, rgba(61, 219, 180, .2), rgba(36, 168, 217, .1));
  border: 1px solid rgba(165, 235, 224, .28);
  border-radius: 13px;
  box-shadow: 0 0 24px rgba(61, 219, 180, .13);
}

.logo-mark svg {
  width: 24px;
  height: 24px;
}

.brand-name {
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--white);
}

.brand-name strong {
  font-weight: 800;
  color: var(--accent);
}

.brand-name small {
  display: block;
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--text-3);
  margin-top: 2px;
  font-weight: 400;
}

.main-nav.desktop-menu {
  display: flex;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 76px;
  padding: 0 18px;
  color: var(--text-2);
  font-size: 15px;
  text-decoration: none;
  position: relative;
  transition: color .2s;
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 14px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 78%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--white);
}

.nav-link:hover::before,
.nav-link.is-active::before {
  transform: scaleX(1);
}

.nav-item.is-current-group > .nav-link {
  color: var(--white);
}

.nav-item.is-current-group > .nav-link::before {
  transform: scaleX(1);
}

.nav-sub {
  position: absolute;
  top: calc(100% - 8px);
  left: -28px;
  width: 360px;
  padding: 18px;
  background: rgba(7, 33, 43, .96);
  border: 1px solid rgba(165, 235, 224, .16);
  border-radius: 20px;
  box-shadow: 0 28px 70px rgba(1, 10, 16, .5);
  backdrop-filter: blur(22px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .22s, visibility .22s, transform .22s;
  z-index: 80;
  display: grid;
  gap: 8px;
}

.nav-more:hover .nav-sub,
.nav-more:focus-within .nav-sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sub-item {
  color: var(--text-2);
  text-decoration: none;
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  line-height: 1.55;
  border: 1px solid transparent;
  transition: background .2s, border-color .2s, color .2s;
}

.sub-item strong {
  display: block;
  font-size: 15px;
  color: var(--white);
  margin-bottom: 3px;
  font-weight: 700;
  transition: color .2s;
}

.sub-item:hover,
.sub-item[aria-current="page"] {
  background: rgba(61, 219, 180, .1);
  border-color: rgba(165, 235, 224, .18);
  color: var(--white);
}

.sub-item[aria-current="page"] strong {
  color: var(--accent);
}

.sub-item[aria-current="page"]::after {
  content: "· 当前分类";
  font-size: 12px;
  color: var(--accent);
  margin-left: 6px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.header-tel {
  color: var(--white);
  font-size: 15px;
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--white);
  cursor: pointer;
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* ---------- mobile drawer ---------- */
.mobile-drawer {
  position: fixed;
  top: 76px;
  right: 14px;
  width: min(420px, calc(100vw - 28px));
  background: rgba(7, 30, 40, .98);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px;
  z-index: 990;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all .25s;
  box-shadow: 0 30px 60px rgba(0, 8, 13, .5);
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.drawer-title {
  display: block;
  padding: 14px 16px 8px;
  font-size: 14px;
  color: var(--text-3);
  letter-spacing: .2em;
}

.drawer-link {
  display: block;
  padding: 13px 16px;
  color: var(--text-2);
  font-size: 16px;
  border-radius: 14px;
  transition: all .2s;
}

.drawer-link:hover,
.drawer-link.is-active {
  background: rgba(61, 219, 180, .1);
  color: var(--white);
}

.drawer-cta {
  margin-top: 12px;
  width: 100%;
}

/* ---------- mobile bottom tab ---------- */
.mobile-tabs {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 980;
  background: rgba(8, 35, 46, .92);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-top: 1px solid rgba(165, 235, 224, .16);
  padding: 7px 6px calc(7px + env(safe-area-inset-bottom));
  justify-content: space-around;
}

.mobile-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--text-3);
  font-size: 11px;
  text-decoration: none;
  min-width: 64px;
  min-height: 48px;
  padding: 4px 2px 3px;
  border-radius: 12px;
  transition: color .2s;
}

.mobile-tab .tab-icon {
  width: 22px;
  height: 22px;
  display: block;
  position: relative;
}

.mobile-tab .tab-icon::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: transparent;
}

.mobile-tab svg {
  width: 100%;
  height: 100%;
}

.mobile-tab:hover {
  color: var(--text-2);
}

.mobile-tab.is-tab-active {
  color: var(--accent);
}

.mobile-tab.is-tab-active .tab-icon::before {
  background: var(--accent);
}

/* ---------- category hero ---------- */
.cat-hero {
  position: relative;
  min-height: calc(90vh - 76px);
  min-height: 64vh;
  display: flex;
  align-items: center;
  margin-top: 76px;
  padding: 64px 0;
  background-image: linear-gradient(100deg, rgba(6, 28, 38, .94) 16%, rgba(6, 28, 38, .65) 62%, rgba(13, 47, 61, .42) 100%), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid rgba(165, 235, 224, .2);
  overflow: hidden;
}

.cat-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -32% 50%;
  height: 130%;
  background: radial-gradient(closest-side, rgba(36, 168, 217, .18), transparent 72%);
  pointer-events: none;
}

.cat-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(350px, .88fr);
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.crumb-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 18px;
}

.crumb-line a {
  color: var(--text-2);
}

.crumb-line a:hover {
  color: var(--accent);
}

.crumb-line span {
  color: var(--accent);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(61, 219, 180, .08);
  border: 1px solid rgba(61, 219, 180, .18);
  border-radius: 999px;
  padding: 7px 15px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(61, 219, 180, .75);
}

.cat-hero h1 {
  margin: 26px 0 20px;
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -.02em;
}

.text-hl {
  color: var(--accent);
  text-shadow: 0 0 28px rgba(61, 219, 180, .3);
}

.hero-sub {
  color: var(--text-2);
  font-size: 17px;
  line-height: 1.85;
  max-width: 560px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-trust {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  color: var(--text-3);
  font-size: 13px;
}

.hero-trust .trust-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.hero-visual {
  position: relative;
  min-height: 340px;
}

.hero-visual .depth-card {
  background: rgba(14, 50, 65, .54);
  border: 1px solid rgba(165, 235, 224, .24);
  border-radius: 24px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 16px;
  box-shadow: 0 32px 80px rgba(1, 14, 20, .45);
  position: relative;
  z-index: 2;
}

.hero-visual .depth-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 16px;
  display: block;
  background: var(--bg-raise);
}

.hero-note {
  position: absolute;
  bottom: -7px;
  left: 22px;
  right: 22px;
  z-index: 5;
  transform: translateY(38%);
  background: rgba(7, 31, 42, .88);
  border: 1px solid rgba(61, 219, 180, .22);
  border-radius: 18px;
  padding: 14px 18px;
  color: var(--text-2);
  font-size: 13px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px);
}

.hero-note strong {
  color: var(--white);
  display: block;
  font-size: 14px;
  margin-bottom: 2px;
}

/* ---------- tag strip ---------- */
.tag-strip {
  background: rgba(13, 47, 61, .45);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  overflow-x: auto;
}

.tag-scroller {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
}

.tag-label {
  color: var(--text-3);
  font-size: 14px;
  letter-spacing: .2em;
  font-weight: 700;
}

.tag-row-item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-2);
  font-size: 14px;
}

.tag-arrow {
  color: var(--accent);
}

/* ---------- sections ---------- */
.section-block {
  padding: var(--space-lg) 0;
  position: relative;
}

.section-block.bg-raise {
  background: rgba(13, 47, 61, .52);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-kicker {
  font-size: 14px;
  letter-spacing: .2em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
}

h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: -.01em;
}

.section-lead {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.85;
  max-width: 760px;
}

/* intro two-column */
.intro-card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.intro-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(165, 235, 224, .46), rgba(255, 255, 255, 0));
}

.intro-card-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
}

.intro-card p,
.intro-main p {
  color: var(--text-2);
  margin-bottom: 18px;
}

.intro-main {
  margin-top: 40px;
}

/* diagnostic 2x2 pain list */
.pain-list {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.pain-cell {
  background: rgba(13, 47, 61, .54);
  border: 1px solid rgba(165, 235, 224, .13);
  border-radius: 18px;
  padding: 22px 22px 18px;
  transition: all .25s;
}

.pain-cell:hover {
  border-color: var(--line-glow);
  background: rgba(61, 219, 180, .08);
  transform: translateY(-3px);
}

.pain-cell h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pain-num {
  font-size: 12px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 1px solid rgba(61, 219, 180, .4);
  flex: none;
  font-weight: 800;
}

.pain-cell p {
  color: var(--text-2);
  font-size: 15px;
  margin-bottom: 12px;
}

.pain-action {
  font-size: 13px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- process timeline ---------- */
.process-wrap {
  position: relative;
}

.process-line {
  position: absolute;
  left: 55px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(61, 219, 180, .72), rgba(61, 219, 180, .18), rgba(36, 168, 217, .1));
}

.step-block {
  position: relative;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 36px;
  padding-bottom: 46px;
}

.step-block:last-child {
  padding-bottom: 0;
}

.step-indicator {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, rgba(61, 219, 180, .16), rgba(36, 168, 217, .08));
  border: 1px solid var(--line-glow);
  box-shadow: 0 0 26px rgba(61, 219, 180, .14);
  color: var(--accent);
  transition: all .3s;
}

.step-block:hover .step-icon {
  box-shadow: 0 0 34px rgba(61, 219, 180, .34);
  transform: scale(1.05);
}

.step-icon svg {
  width: 25px;
  height: 25px;
}

.step-number {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--text-3);
}

.step-card {
  background: rgba(10, 39, 51, .7);
  border: 1px solid rgba(165, 235, 224, .16);
  border-radius: 22px;
  padding: 28px;
  position: relative;
  transition: background .25s, border-color .25s;
}

.step-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  right: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(165, 235, 224, .4), transparent);
}

.step-card:hover {
  border-color: rgba(165, 235, 224, .32);
  background: rgba(13, 47, 61, .84);
}

.step-card h3 {
  font-size: 21px;
  font-weight: 800;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-2);
  margin-bottom: 12px;
  font-size: 16px;
}

.step-output {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.step-output li {
  font-size: 13px;
  color: #BBE9D9;
  background: rgba(61, 219, 180, .08);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(61, 219, 180, .18);
}

/* ---------- compare twin ---------- */
.compare-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 24px;
}

.compare-col {
  border-radius: var(--radius-lg);
  background: rgba(7, 33, 43, .76);
  border: 1px solid rgba(165, 235, 224, .14);
  padding: 30px;
  position: relative;
  overflow: hidden;
}

.compare-col.good {
  border-color: rgba(61, 219, 180, .4);
  background: linear-gradient(145deg, rgba(61, 219, 180, .09), rgba(36, 168, 217, .05)), rgba(7, 33, 43, .88);
}

.compare-title {
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  font-weight: 800;
}

.compare-title span {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--text-3);
  display: inline-block;
}

.good .compare-title span {
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

.compare-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}

.compare-list li {
  position: relative;
  padding-left: 26px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.7;
}

.compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-3);
  opacity: .7;
}

.good .compare-list li::before {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

/* ---------- scope grid ---------- */
.scope-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.scope-item {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform .25s, border-color .25s, background .25s;
  position: relative;
  overflow: hidden;
}

.scope-item::after {
  content: "";
  position: absolute;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  top: -38px;
  right: -38px;
  border: 1px solid rgba(61, 219, 180, .22);
  background: radial-gradient(circle, rgba(61, 219, 180, .1), transparent 70%);
}

.scope-item:hover {
  transform: translateY(-4px);
  border-color: rgba(165, 235, 224, .34);
  background: rgba(14, 50, 65, .78);
}

.scope-icon {
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background: rgba(61, 219, 180, .12);
  border: 1px solid rgba(61, 219, 180, .22);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.scope-icon svg {
  width: 23px;
  height: 23px;
  color: var(--accent);
}

.scope-item h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
}

.scope-item p {
  color: var(--text-2);
  font-size: 14px;
  margin-bottom: 16px;
}

.scope-item .output-tag {
  color: var(--warm);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.scope-item .output-tag::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--warm);
  border-radius: 50%;
  flex: none;
}

/* ---------- image band ---------- */
.image-band {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 54px;
  align-items: center;
}

.figure-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(165, 235, 224, .18);
  background: var(--bg-raise);
  box-shadow: var(--shadow-card);
  transform: rotate(-1.5deg);
  transition: transform .3s;
}

.figure-card:hover {
  transform: rotate(0) scale(1.012);
}

.figure-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.aside-point-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.aside-point-list li {
  position: relative;
  padding-left: 36px;
  color: var(--text-2);
  font-size: 16px;
}

.aside-point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(61, 219, 180, .12);
  border: 1px solid rgba(61, 219, 180, .34);
}

.aside-point-list li::after {
  content: "✓";
  position: absolute;
  left: 0;
  top: 4px;
  width: 22px;
  height: 22px;
  color: var(--accent);
  font-size: 13px;
  text-align: center;
  line-height: 22px;
}

/* ---------- FAQ ---------- */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-title-area {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.faq-title-area h2 {
  margin-bottom: 4px;
}

.faq-title-area .faq-more {
  color: var(--text-2);
  font-size: 14px;
  flex: none;
}

.faq-item {
  background: rgba(13, 47, 61, .52);
  border: 1px solid rgba(165, 235, 224, .13);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .2s, background .2s;
}

.faq-item[open] {
  border-color: rgba(61, 219, 180, .3);
  background: rgba(13, 47, 61, .76);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  color: var(--white);
  font-size: 17px;
  font-weight: 700;
  list-style: none;
  min-height: 56px;
  transition: color .2s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--accent);
}

.faq-state {
  width: 22px;
  height: 22px;
  position: relative;
  flex: none;
  border: 1px solid rgba(165, 235, 224, .32);
  border-radius: 50%;
}

.faq-state::before,
.faq-state::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  transition: transform .2s;
}

.faq-state::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-state {
  border-color: var(--accent);
}

.faq-item[open] .faq-state::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-answer {
  padding: 0 24px 22px 55px;
  color: var(--text-2);
  font-size: 16px;
}

.faq-answer p {
  margin: 0 0 10px;
}

.faq-answer .faq-action {
  color: var(--accent);
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-weight: 600;
  font-size: 15px;
}

/* ---------- pre footer CTA ---------- */
.pre-cta {
  padding: 90px 0;
  background-image: linear-gradient(100deg, rgba(6, 28, 38, .96), rgba(8, 35, 46, .8) 72%, rgba(13, 47, 61, .65)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border-top: 1px solid rgba(165, 235, 224, .2);
  border-bottom: 1px solid rgba(165, 235, 224, .2);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

.cta-copy h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 3vw, 38px);
}

.cta-copy p {
  color: var(--text-2);
  max-width: 680px;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

.cta-note {
  color: var(--text-3);
  font-size: 13px;
}

/* ---------- footer ---------- */
.site-footer {
  background: rgba(4, 24, 34, .96);
  border-top: 1px solid rgba(61, 219, 180, .42);
}

.footer-top {
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: minmax(250px, 1.4fr) .8fr 1fr;
  gap: 52px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.footer-desc {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.85;
  max-width: 360px;
  margin: 0;
}

.footer-col-title {
  color: var(--white);
  margin: 6px 0 18px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .08em;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: var(--text-2);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s, padding-left .2s;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(165, 235, 224, .1);
  padding: 20px 0 90px;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-copy {
  color: var(--text-3);
  font-size: 13px;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-3);
  font-size: 13px;
}

.footer-bottom-links a {
  color: var(--text-2);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

@media (max-width: 63.9375rem) {
  .desktop-menu {
    display: none;
  }

  .header-tel,
  .header-main-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-tabs {
    display: flex;
  }

  .main-nav.desktop-menu {
    display: none;
  }

  .cat-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .hero-visual {
    max-width: 560px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 39.9375rem) {
  :root {
    --space-lg: 56px;
    --space-md: 48px;
  }

  .header-inner {
    gap: 8px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-name small {
    letter-spacing: .16em;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
  }

  .logo-mark svg {
    width: 20px;
    height: 20px;
  }

  .cat-hero {
    min-height: auto;
    padding: 52px 0 68px;
    background-position: 55% 40%;
  }

  .cat-hero h1 {
    font-size: 42px;
    margin: 22px 0 16px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-actions .btn-ghost {
    max-width: 100%;
  }

  .hero-trust {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px 16px;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-note {
    position: static;
    transform: none;
    margin-top: 18px;
  }

  .tag-scroller {
    gap: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .pain-list,
  .scope-grid,
  .compare-wrapper {
    grid-template-columns: 1fr;
  }

  .process-wrap {
    padding-left: 0;
  }

  .process-line {
    left: 27px;
  }

  .step-block {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
    padding-bottom: 28px;
  }

  .step-number {
    display: none;
  }

  .step-card {
    padding: 22px;
  }

  .step-icon {
    width: 54px;
    height: 54px;
  }

  .section-block {
    padding: 56px 0;
  }

  .image-band {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .figure-card {
    transform: none;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .footer-bottom {
    padding-bottom: 20px;
  }

  .footer-bottom .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    align-items: stretch;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .mobile-drawer {
    left: 14px;
    right: 14px;
    width: auto;
  }
}

@media (min-width: 64rem) {
  .footer-bottom {
    padding-bottom: 20px;
  }
}

/* ---------- reveal modal ---------- */
.reveal {
  background: rgba(7, 31, 42, .96);
  color: var(--white);
  border: 1px solid rgba(165, 235, 224, .28);
  border-radius: 24px;
  padding: 0;
  box-shadow: 0 34px 90px rgba(0, 8, 13, .66), 0 0 40px rgba(61, 219, 180, .08);
  backdrop-filter: blur(20px);
}

.reveal .close-button {
  color: var(--text-2);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  top: 18px;
  right: 18px;
  transition: background .2s, color .2s;
}

.reveal .close-button:hover {
  color: var(--accent);
  background: rgba(61, 219, 180, .1);
}

.modal-intro {
  padding: 32px 32px 22px;
  border-bottom: 1px solid rgba(165, 235, 224, .12);
}

.modal-intro h3 {
  margin: 0 0 8px;
  font-size: 27px;
  font-weight: 900;
}

.modal-intro p {
  color: var(--text-2);
  margin: 0;
  font-size: 14px;
}

.contact-form {
  padding: 26px 32px 30px;
  display: grid;
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .04em;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  background: rgba(6, 28, 38, .8);
  border: 1px solid rgba(165, 235, 224, .2);
  border-radius: 12px;
  padding: 11px 14px;
  color: var(--white);
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.form-field textarea {
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  background: rgba(6, 28, 38, .95);
  box-shadow: 0 0 0 4px rgba(61, 219, 180, .1);
  outline: none;
}

.form-field select option {
  background: var(--bg-dark);
  color: var(--white);
}

.form-error {
  display: none;
  color: var(--danger);
  font-size: 13px;
}

.reveal .was-validated .form-field:has(:invalid) .form-error {
  display: block;
}

.reveal .was-validated .form-field:has(:invalid) input,
.reveal .was-validated .form-field:has(:invalid) select,
.reveal .was-validated .form-field:has(:invalid) textarea {
  border-color: rgba(229, 105, 110, .8);
}

.privacy-note {
  background: rgba(36, 168, 217, .06);
  border: 1px solid rgba(165, 235, 224, .14);
  border-radius: 14px;
  padding: 13px 16px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.65;
}

.form-submit .btn {
  width: 100%;
}

.form-success {
  display: none;
  text-align: center;
  padding: 44px 32px;
}

.form-success svg {
  width: 48px;
  height: 48px;
  color: var(--success);
  margin-bottom: 14px;
}

.form-success h4 {
  font-size: 22px;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-2);
}

/* scroll top */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 40px;
  z-index: 850;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 47, 61, .82);
  border: 1px solid var(--line);
  color: var(--accent);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s, background .25s;
}

.to-top.show {
  opacity: 1;
  pointer-events: auto;
}

.to-top:hover {
  transform: translateY(-3px);
  background: rgba(36, 168, 217, .2);
}

@media (min-width: 64rem) {
  .to-top {
    bottom: 28px;
  }
}

/* text image replacement if fail */
.figure-card,
.hero-visual .depth-card {
  background: #0d2f3d;
}

/* roulang page: category3 */
:root{
  --bg-deep:#061C26;
  --bg-page:#08232E;
  --bg-layer:#0D2F3D;
  --bg-higher:#123847;
  --glass-bg:rgba(14,50,65,.62);
  --glass-strong:rgba(7,30,41,.82);
  --glass-border:rgba(165,235,224,.28);
  --brand:#3DDBB4;
  --brand-blue:#24A8D9;
  --warm:#F5B25D;
  --error:#E5696E;
  --success:#4FD5A4;
  --text:#EAF6F3;
  --text-sub:#9DBECD;
  --text-muted:#6E92A0;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-pill:999px;
  --space-section:96px;
  --space-section-md:72px;
  --space-section-sm:56px;
  --shadow-card:0 24px 60px -36px rgba(2,20,28,.9), 0 1px 0 rgba(165,235,224,.06) inset;
  --glow:0 0 0 1px rgba(61,219,180,.2),0 12px 28px -10px rgba(61,219,180,.44);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--text);text-decoration:none;transition:color .2s ease}
p,h1,h2,h3,h4,ul,ol,figure{margin:0;padding:0}
button{font-family:inherit;cursor:pointer}
.container{max-width:1220px;margin:0 auto;padding-left:26px;padding-right:26px;width:100%}
@media screen and (min-width:40rem){
  .container{padding-left:32px;padding-right:32px}
}
@media screen and (min-width:64rem){
  .container{padding-left:36px;padding-right:36px}
}
body{background:#061C26}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 16% 4%,rgba(36,168,217,.12),transparent 32%),radial-gradient(circle at 88% 60%,rgba(61,219,180,.06),transparent 26%);z-index:0}
body>*{position:relative;z-index:1}
main,footer,header,.mobile-menu-panel,.reveal{position:relative;z-index:2}
h1,h2,h3,h4{line-height:1.2;font-weight:700;letter-spacing:.01em}
h2{font-size:34px;margin-bottom:22px}
h3{font-size:22px;margin-bottom:12px}
p{color:var(--text-sub)}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;color:var(--brand);font-weight:700;text-transform:uppercase}
.kicker::before{content:"";width:20px;height:1px;background:var(--brand)}
.section-head{max-width:820px;margin:0 auto 56px;text-align:center}
.section-head p{color:var(--text-sub);font-size:17px}
section{padding-top:var(--space-section-sm);padding-bottom:var(--space-section-sm)}
@media screen and (min-width:40rem){
  section{padding-top:var(--space-section-md);padding-bottom:var(--space-section-md)}
}
@media screen and (min-width:64rem){
  section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(8,35,46,.68);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(165,235,224,.12);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.header-scrolled{
  background:rgba(5,25,34,.88);
  backdrop-filter:blur(28px);
  -webkit-backdrop-filter:blur(28px);
  box-shadow:0 18px 42px -24px rgba(2,18,26,.8);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:76px;position:relative;z-index:2}
.brand-logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(61,219,180,.16),rgba(36,168,217,.1));border:1px solid rgba(165,235,224,.25);color:var(--brand)}
.logo-mark svg{width:24px;height:24px;filter:drop-shadow(0 0 8px rgba(61,219,180,.5))}
.brand-name{font-size:21px;font-weight:600;line-height:1.15;white-space:nowrap}
.brand-name strong{color:var(--brand);font-weight:800}
.brand-name small{display:block;font-size:11px;color:var(--text-muted);letter-spacing:.1em;font-weight:400}
.main-nav .nav-list{list-style:none;display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:7px;height:76px;padding:0 16px;position:relative;color:var(--text-sub);font-size:16px}
.nav-link .dot{width:5px;height:5px;border-radius:50%;background:transparent;display:inline-block}
.nav-item.is-active>.nav-link,.nav-item:hover>.nav-link{color:var(--text)}
.nav-item.is-active>.nav-link .dot,.nav-item:hover>.nav-link .dot{background:var(--brand);box-shadow:0 0 10px var(--brand)}
.nav-link::after{content:"";position:absolute;left:16px;right:100%;height:2px;bottom:0;border-radius:4px;background:linear-gradient(90deg,var(--brand),var(--brand-blue));transition:right .28s ease}
.nav-item:hover .nav-link::after,.nav-item.is-active .nav-link::after{right:16px}
.nav-item.is-active>.nav-link{color:var(--brand)}
.nav-more .nav-sub{
  position:absolute;left:0;top:calc(100% - 4px);width:520px;max-width:94vw;
  background:rgba(6,28,38,.98);border:1px solid var(--glass-border);border-radius:18px;
  padding:16px;
  display:grid;grid-template-columns:1fr 1fr;gap:8px;
  box-shadow:0 40px 70px -30px rgba(2,20,27,.95);
  opacity:0;visibility:hidden;transform:translateY(12px);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.nav-more:hover .nav-sub,.nav-more:focus-within .nav-sub{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.nav-sub .sub-item{
  display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:13px;color:var(--text-sub);
  transition:background .2s ease;
}
.nav-sub .sub-item strong{color:var(--text);font-size:15px;font-weight:700}
.nav-sub .sub-item span{font-size:13px;line-height:1.6;color:var(--text-muted)}
.nav-sub .sub-item:hover{background:rgba(61,219,180,.08);color:var(--brand)}
.nav-sub .sub-item:hover strong{color:var(--brand)}
.nav-sub .sub-item.is-current{background:rgba(61,219,180,.09);box-shadow:inset 3px 0 0 var(--brand)}
.nav-sub .sub-item.is-current strong{color:var(--brand)}
.header-right{display:flex;align-items:center;gap:12px}
.header-tel{font-size:15px;font-variant-numeric:tabular-nums;color:var(--text);white-space:nowrap}
.header-tel::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--success);margin-right:9px;vertical-align:2px}
.menu-toggle{
  background:rgba(14,50,65,.7);border:1px solid var(--glass-border);width:42px;height:42px;border-radius:12px;
  color:var(--text);display:none;place-items:center;line-height:1;
}
.menu-toggle svg{width:22px;height:22px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--radius-md);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand-blue));color:#05232E;box-shadow:0 14px 30px -14px rgba(61,219,180,.42),0 4px 12px -6px rgba(0,0,0,.4)}
.btn-primary:hover{box-shadow:0 20px 38px -14px rgba(61,219,180,.65),0 0 0 1px rgba(61,219,180,.2)}
.btn-secondary{background:rgba(61,219,180,.1);border-color:rgba(165,235,224,.28);color:#B8F7E9}
.btn-secondary:hover{background:rgba(61,219,180,.18);color:#fff}
.btn-ghost{background:rgba(234,246,243,.02);border-color:rgba(234,246,243,.32);color:var(--text)}
.btn-ghost:hover{background:rgba(234,246,243,.09)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}
a.btn{text-decoration:none}

/* Page Hero */
.category-hero{
  position:relative;
  overflow:hidden;
  padding:0;
  background-color:var(--bg-deep);
  background-position:center right;
  background-size:cover;
  background-repeat:no-repeat;
  border-bottom:1px solid rgba(165,235,224,.1);
}
.category-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,25,34,.96) 20%,rgba(6,28,38,.8) 54%,rgba(6,28,38,.38));
}
.category-hero .container{position:relative;z-index:2;padding-top:118px;padding-bottom:66px}
@media screen and (min-width:64rem){
  .category-hero .container{min-height:420px;display:flex;align-items:center;padding-top:132px;padding-bottom:72px}
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-sub)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span[aria-current="page"]{color:var(--brand)}
.hero-eyebrow{
  font-size:13px;letter-spacing:.16em;color:var(--brand);font-weight:800;margin-bottom:16px;
  display:inline-flex;align-items:center;gap:10px;
}
.hero-eyebrow::before{content:"";width:24px;height:1px;background:var(--brand)}
.category-hero h1{
  font-size:44px;font-weight:900;color:var(--text);line-height:1.16;margin-bottom:20px;letter-spacing:-.01em;
  max-width:760px;
  text-shadow:0 4px 22px rgba(0,0,0,.3);
}
@media screen and (min-width:64rem){
  .category-hero h1{font-size:64px}
}
.category-hero h1 span{color:var(--brand)}
.hero-lead{font-size:17px;color:var(--text-sub);max-width:620px;margin-bottom:26px}
@media screen and (min-width:64rem){
  .hero-lead{font-size:18px}
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:16px}
.hero-proof{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
.hero-proof svg{width:14px;height:14px;color:var(--brand)}
.hero-visual{position:relative}
.hero-figure{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--glass-border);background:var(--bg-layer);box-shadow:var(--shadow-card);transform:rotate(1deg)}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,25,34,.55));pointer-events:none}
.hero-figure img{aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-note{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  padding:16px 18px;border-radius:var(--radius-lg);background:rgba(10,48,65,.62);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(165,235,224,.3);
  box-shadow:0 18px 36px -18px rgba(0,0,0,.45);
}
.hero-note strong{display:block;font-size:15px;color:var(--brand);margin-bottom:4px}
.hero-note span{font-size:13px;color:var(--text-sub);line-height:1.6}
.scroll-down{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);width:18px;height:36px;border:1px solid rgba(165,235,224,.5);border-radius:20px;display:flex;justify-content:center;padding-top:4px;opacity:.6;z-index:3}
.scroll-down span{display:block;width:3px;height:8px;border-radius:3px;background:var(--brand);animation:scrollDot 1.8s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translateY(-4px)}35%{opacity:1}100%{opacity:0;transform:translateY(10px)}}

/* Capability Strip */
.capability-strip{
  padding-top:0;padding-bottom:0;border-bottom:1px solid rgba(165,235,224,.08);
  background:linear-gradient(180deg,rgba(10,47,62,.5),rgba(6,33,50,.35));
}
.cap-list{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px 26px;padding:28px 0}
.cap-list span{font-size:14px;color:var(--text-sub);display:inline-flex;align-items:center;gap:9px}
.cap-list span::before{content:"✦";font-size:11px;color:var(--brand)}

/* Split visual band */
.split-band{background:var(--bg-page)}
.split-band.is-deep{background:var(--bg-deep)}
.split-copy .kicker{margin-bottom:14px}
.split-copy h2{font-size:30px;line-height:1.28;margin-bottom:18px}
@media screen and (min-width:64rem){.split-copy h2{font-size:38px}}
.split-copy p{font-size:16px;margin-bottom:18px;line-height:1.85}
.split-media{position:relative;margin-top:32px}
@media screen and (min-width:40rem){.split-media{margin-top:20px}}
@media screen and (min-width:64rem){.split-media{margin-top:0}}
.media-figure{position:relative;border-radius:var(--radius-xl);overflow:hidden;background:var(--bg-layer);box-shadow:var(--shadow-card);border:1px solid rgba(165,235,224,.18)}
.media-figure img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .6s ease,filter .6s ease}
.media-figure:hover img{transform:scale(1.025);filter:brightness(1.08)}
.media-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(36,168,217,.05),transparent 40%);pointer-events:none}
.media-note{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(5,27,39,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(165,235,224,.26);border-radius:14px;
  padding:12px 16px;font-size:13px;color:var(--text-sub);
}
.media-note strong{color:var(--text)}
.check-list{list-style:none;margin-top:8px}
.check-list li{position:relative;padding:6px 0 6px 34px;color:var(--text-sub);line-height:1.7}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:7px;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;font-weight:800;
  background:rgba(61,219,180,.14);color:var(--brand);border:1px solid rgba(61,219,180,.25);
}
.tip-line{border-left:2px solid var(--brand);padding:10px 16px;background:rgba(61,219,180,.07);border-radius:0 12px 12px 0;margin-top:16px;color:var(--text-sub);font-size:15px}

/* Audience cards */
.audience-band{background:linear-gradient(180deg,var(--bg-deep),var(--bg-page))}
.audience-card{height:100%;background:var(--glass-bg);border:1px solid rgba(165,235,224,.18);border-radius:var(--radius-lg);padding:28px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:transform .2s ease,border .2s ease,background .2s ease;box-shadow:var(--shadow-card)}
.audience-card:hover{transform:translateY(-4px);border-color:rgba(61,219,180,.5);background:rgba(14,50,65,.74)}
.audience-card .tag{display:inline-block;font-size:12px;color:var(--brand);border-radius:var(--radius-pill);border:1px solid rgba(61,219,180,.24);background:rgba(61,219,180,.08);padding:4px 14px;margin-bottom:20px}
.audience-card h3{font-size:20px;margin-bottom:10px;color:var(--text)}
.audience-card p{font-size:14px;line-height:1.8;color:var(--text-sub)}

/* Flow */
.flow-band{background:var(--bg-page)}
.flow-head{max-width:860px;margin:0 auto 56px;text-align:center}
.flow-head p.kicker{justify-content:center}
.flow-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media screen and (min-width:40rem){.flow-grid{grid-template-columns:repeat(2,1fr)}}
@media screen and (min-width:74rem){.flow-grid{grid-template-columns:repeat(5,1fr)}}
.flow-card{position:relative;background:var(--glass-bg);border:1px solid rgba(165,235,224,.2);border-radius:var(--radius-lg);padding:26px 24px 24px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;overflow:hidden}
.flow-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(61,219,180,.7),rgba(165,235,224,.05),transparent)}
.flow-card:hover{border-color:rgba(61,219,180,.4);transform:translateY(-5px);box-shadow:var(--shadow-card)}
.step-num{font-size:28px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(61,219,180,.8);margin-bottom:12px;line-height:1}
.flow-card h3{font-size:18px;margin-bottom:10px}
.flow-card p{font-size:13px;line-height:1.78;color:var(--text-sub);margin-bottom:14px}
.flow-deliver{font-size:12px;color:var(--text-muted);display:block;border-top:1px dashed rgba(165,235,224,.18);padding-top:12px}
.flow-card:nth-child(5){background:linear-gradient(160deg,rgba(61,219,180,.12),var(--glass-bg))}
@media screen and (min-width:74rem){
  .flow-card:nth-child(5) .step-num{-webkit-text-stroke-color:var(--warm)}
}

/* FAQ */
.faq-band{background:var(--bg-deep)}
.faq-wrap{max-width:900px;margin:0 auto}
.faq-wrap .faq-intro{text-align:center;margin-bottom:26px;color:var(--text-muted)}
.faq-accordion{border:1px solid rgba(165,235,224,.18);border-radius:var(--radius-lg);overflow:hidden;background:rgba(14,50,65,.38);list-style:none}
.faq-accordion .accordion-item{border-bottom:1px solid rgba(165,235,224,.1)}
.faq-accordion .accordion-item:last-child{border-bottom:0}
.faq-accordion .accordion-title{
  background:transparent;color:var(--text);font-size:16px;font-weight:700;line-height:1.4;padding:22px 54px 22px 26px;min-height:56px;position:relative;transition:background .2s ease,color .2s ease;
}
.faq-accordion .accordion-title:hover,.faq-accordion .accordion-item.is-active .accordion-title{background:rgba(61,219,180,.08);color:var(--brand)}
.faq-accordion .accordion-title::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .28s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-25%) rotate(225deg)}
.faq-accordion .accordion-content{background:rgba(3,24,34,.55);border-top:1px solid rgba(165,235,224,.08);color:var(--text-sub);font-size:15px;padding:8px 26px 28px 26px;line-height:1.85}
.faq-bottom{text-align:center;margin-top:44px}
.faq-bottom p{color:var(--text-muted);margin-bottom:18px}

/* CTA */
.final-cta{padding-top:0;padding-bottom:0}
.cta-inner{
  background:
    radial-gradient(circle at 12% 0%,rgba(61,219,180,.16),transparent 34%),
    radial-gradient(circle at 90% 30%,rgba(36,168,217,.12),transparent 26%),
    var(--bg-layer);
  border:1px solid rgba(165,235,224,.26);border-radius:var(--radius-xl);padding:40px 30px;
  text-align:center;box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
@media screen and (min-width:64rem){
  .cta-inner{padding:72px 56px;display:flex;align-items:center;justify-content:space-between;text-align:left}
}
.cta-inner::after{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,var(--brand),transparent 80%)}
.cta-inner h2{font-size:32px;max-width:640px;margin-bottom:12px}
.cta-inner p{color:var(--text-sub);font-size:16px;max-width:660px;margin-bottom:24px}
@media screen and (min-width:64rem){
  .cta-inner h2{font-size:38px;margin-bottom:14px}
  .cta-inner p{margin-bottom:0}
}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
@media screen and (min-width:64rem){.cta-actions{flex-shrink:0}}
.cta-phone{display:block;margin-top:18px;font-size:15px;color:var(--text-sub)}
.cta-phone a{color:var(--brand);font-weight:700}

/* Footer */
.site-footer{position:relative;z-index:2;background:var(--bg-deep);border-top:1px solid rgba(61,219,180,.28);padding-top:64px}
.footer-top{display:grid;grid-template-columns:1fr;gap:36px;margin-bottom:42px}
@media screen and (min-width:40rem){.footer-top{grid-template-columns:1fr 1fr}}
@media screen and (min-width:64rem){.footer-top{grid-template-columns:1.6fr 1fr 1.2fr}}
.footer-desc{font-size:14px;color:var(--text-muted);line-height:1.85;margin-top:18px;max-width:440px}
.footer-col-title{font-size:14px;letter-spacing:.12em;color:var(--text);text-transform:uppercase;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid rgba(165,235,224,.1)}
.footer-links{list-style:none}
.footer-links li{margin:9px 0}
.footer-links a,.footer-links button.link-like{font-size:14px;color:var(--text-sub);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover,.footer-links button.link-like:hover{color:var(--brand);padding-left:4px}
.footer-contact-item{display:flex;gap:10px;font-size:14px;color:var(--text-sub);margin-bottom:12px}
.footer-contact-item svg{flex:0 0 auto;width:18px;height:18px;color:var(--brand);margin-top:3px}
.footer-bottom{border-top:1px solid rgba(165,235,224,.1);padding:22px 0}
.footer-bottom .container{display:flex;flex-direction:column;gap:10px}
@media screen and (min-width:64rem){.footer-bottom .container{flex-direction:row;justify-content:space-between;align-items:center}}
.footer-copy{font-size:13px;color:var(--text-muted)}
.footer-bottom-links{display:flex;gap:12px;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--text-muted)}
.footer-bottom-links a{color:var(--text-sub)}
.footer-bottom-links a:hover{color:var(--brand)}

/* Mobile menu panel */
.mobile-menu-panel{
  position:fixed;top:76px;left:0;right:0;z-index:980;max-height:calc(100vh - 90px);overflow-y:auto;
  background:rgba(5,25,34,.98);border-bottom:1px solid rgba(165,235,224,.16);
  padding:24px 26px 32px;
  opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);
}
.mobile-menu-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.panel-label{font-size:13px;letter-spacing:.12em;color:var(--text-muted);text-transform:uppercase;margin-bottom:16px}
.panel-nav{display:flex;flex-direction:column;gap:6px}
.panel-nav a{font-size:17px;color:var(--text);padding:12px 4px;border-bottom:1px solid rgba(165,235,224,.08)}
.panel-nav a:hover{color:var(--brand)}
.service-sub{margin-top:22px}
.service-sub-title{font-size:13px;color:var(--brand);margin-bottom:12px}
.service-sub-list{display:flex;flex-direction:column;gap:8px}
.service-sub-list a{display:block;background:rgba(14,50,65,.5);border:1px solid rgba(165,235,224,.15);padding:14px 16px;border-radius:12px}
.service-sub-list a strong{display:block;color:var(--text);font-size:15px;margin-bottom:2px}
.service-sub-list a small{color:var(--text-muted);font-size:13px}
.service-sub-list a.is-place{background:rgba(61,219,180,.12);border-color:rgba(61,219,180,.4)}
.service-sub-list a.is-place strong{color:var(--brand)}
.panel-more{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px}

/* Bottom Tab bar */
.bottom-tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:1020;display:none;
  background:rgba(8,35,46,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-top:1px solid rgba(165,235,224,.18);
  padding:6px 6px calc(6px + env(safe-area-inset-bottom));
}
.bottom-tabbar .tab-link{
  flex:1;min-height:56px;border-radius:14px;
  background:transparent;border:0;color:var(--text-muted);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:11px;line-height:1;padding:4px 2px;transition:color .2s ease,background .2s ease;
  text-decoration:none;
}
.bottom-tabbar .tab-link svg{width:21px;height:21px;display:block}
.bottom-tabbar .tab-link.is-active{color:var(--brand);background:rgba(61,219,180,.1)}
.bottom-tabbar .tab-link.is-active svg{filter:drop-shadow(0 0 6px rgba(61,219,180,.55))}
.bottom-tabbar .tab-link.is-cta{color:var(--brand)}
.bottom-tabbar .tab-link:hover{background:rgba(165,235,224,.06)}
@media screen and (max-width:63.9375rem){
  .bottom-tabbar{display:flex}
  body{padding-bottom:74px}
  .main-nav.desktop-menu{display:none}
  .menu-toggle{display:inline-grid}
}
@media screen and (min-width:64rem){
  .mobile-menu-panel{display:none}
}

/* Modal / Form */
.reveal-overlay{background:rgba(2,15,22,.76);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:1100}
.reveal.contact-reveal{
  background:rgba(6,30,42,.98);border:1px solid rgba(61,219,180,.3);border-radius:22px;
  box-shadow:0 50px 100px -30px rgba(0,0,0,.7),0 0 0 1px rgba(165,235,224,.08) inset;
  color:var(--text);
}
.contact-reveal h2{font-size:28px}
.contact-reveal .lead{color:var(--text-sub);font-size:15px;margin-bottom:28px}
.contact-form label{color:var(--text);font-size:14px;font-weight:700;margin-bottom:8px;display:block}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;background:rgba(3,21,29,.7);border:1px solid rgba(165,235,224,.2);border-radius:12px;
  color:var(--text);font-size:15px;padding:13px 15px;min-height:48px;margin-bottom:18px;transition:border .2s ease,box-shadow .2s ease;
  font-family:inherit;
}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#527785}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(61,219,180,.18)}
.contact-form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-sub) 50%),linear-gradient(135deg,var(--text-sub) 50%,transparent 50%);background-position:calc(100% - 22px) 22px,calc(100% - 16px) 22px;background-size:6px 6px;background-repeat:no-repeat}
.contact-form textarea{min-height:110px;resize:vertical}
.contact-form .submit-row{margin-top:8px}
.privacy-note{background:rgba(13,47,61,.6);border-radius:14px;padding:14px 16px;font-size:13px;color:var(--text-muted);line-height:1.8;margin-top:10px}
.privacy-note strong{color:var(--text-sub)}
.close-button{color:var(--text-sub)}
.close-button:hover{color:var(--brand)}
.reveal .close-button{right:20px;top:20px;width:38px;height:38px;border-radius:12px;background:rgba(14,50,65,.72);font-size:0}
.reveal .close-button::before,.reveal .close-button::after{content:"";position:absolute;top:50%;left:50%;width:15px;height:1.5px;background:var(--text);border-radius:2px}
.reveal .close-button::before{transform:translate(-50%,-50%) rotate(45deg)}
.reveal .close-button::after{transform:translate(-50%,-50%) rotate(-45deg)}

/* Reveal responsive */
@media screen and (max-width:39.9375rem){
  .reveal.contact-reveal{width:calc(100% - 28px);margin:0 14px;padding:32px 22px 26px;top:40px}
  .category-hero .hero-visual{display:none}
}
@media screen and (min-width:40rem){
  .reveal.contact-reveal{width:640px;max-width:92vw;padding:40px}
}

/* Misc responsive */
@media screen and (max-width:39.9375rem){
  .category-hero h1{font-size:38px}
  h2{font-size:29px}
  .header-tel,.header-main-cta{display:none}
  .header-inner{height:68px}
  .mobile-menu-panel{top:68px}
  .hide-small{display:none}
  .hero-note{left:12px;right:12px;bottom:12px}
  .cap-list{gap:12px 16px}
}
@media screen and (min-width:40rem) and (max-width:63.9375rem){
  .header-tel{display:none}
}
@media screen and (max-width:39.9375rem){
  .footer-top{grid-template-columns:1fr}
}

/* focus accessibility */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--warm);outline-offset:3px;border-radius:8px;
}
.accordion-title:focus-visible{outline:2px solid var(--warm);outline-offset:-2px}

/* roulang page: category4 */
:root{
  --bg-deep:#08232E;
  --bg-dark:#061C26;
  --bg-panel:#0D2F3D;
  --card-bg:rgba(14,50,65,.62);
  --card-bg-hover:rgba(17,60,78,.76);
  --line:rgba(165,235,224,.28);
  --line-soft:rgba(165,235,224,.14);
  --line-bright:rgba(165,235,224,.55);
  --primary:#3DDBB4;
  --primary-2:#24A8D9;
  --warm:#F5B25D;
  --text:#EAF6F3;
  --text-muted:#9DBECD;
  --text-weak:#6E92A0;
  --error:#E5696E;
  --success:#4FD5A4;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 18px 48px rgba(2,20,28,.32),0 0 0 1px rgba(165,235,224,.08) inset;
  --shadow-btn:0 2px 4px rgba(2,20,28,.28),0 8px 24px rgba(61,219,180,.14),0 0 36px rgba(61,219,180,.09);
  --padding-section-desktop:96px;
  --padding-section-tablet:72px;
  --padding-section-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-deep);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:linear-gradient(160deg,#061C26 0%,#08232E 46%,#0D2F3D 100%)}
img{max-width:100%;height:auto;display:block;background:#0B3442}
a{color:var(--primary);text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease}
a:hover{color:#71EDCE}
ul{list-style:none}
.container{max-width:1240px;margin:0 auto;padding-left:28px;padding-right:28px}
::selection{background:rgba(61,219,180,.24);color:#fff}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--radius-btn);font-weight:700;font-size:15px;line-height:1.2;letter-spacing:.02em;cursor:pointer;border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease}
.btn:focus-visible,.trigger-form:focus-visible,.menu-toggle:focus-visible,.mobile-tabs a:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px}
.btn-primary{background:linear-gradient(135deg,#3DDBB4 0%,#25B4CD 56%,#24A8D9 100%);color:#05212A;box-shadow:var(--shadow-btn)}
.btn-primary:hover{color:#032029;transform:translateY(-3px);box-shadow:0 4px 6px rgba(2,20,28,.3),0 12px 30px rgba(61,219,180,.22),0 0 46px rgba(61,219,180,.12);background:linear-gradient(135deg,#5DE9C6 0%,#30BFDE 58%,#3CB7E8 100%)}
.btn-primary:active{transform:scale(.97)}
.btn-secondary{background:rgba(14,50,65,.66);border-color:rgba(165,235,224,.24);color:#D6F3EC;box-shadow:0 6px 20px rgba(2,18,25,.18)}
.btn-secondary:hover{background:rgba(23,68,86,.78);border-color:rgba(165,235,224,.5);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(234,246,243,.34);color:var(--text)}
.btn-ghost:hover{border-color:rgba(234,246,243,.7);background:rgba(234,246,243,.07);color:#fff}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-light-arrow{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.btn-light-arrow:hover{color:#8CF5DD}
.btn-light-arrow::after{content:"→";transition:transform .22s ease}
.btn-light-arrow:hover::after{transform:translateX(4px)}

/* Sections */
.block{padding-top:var(--padding-section-desktop);padding-bottom:var(--padding-section-desktop);scroll-margin-top:90px}
.section-head{margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.12em;margin-bottom:14px;padding:6px 14px;border-radius:var(--radius-pill);background:rgba(61,219,180,.08);border:1px solid rgba(61,219,180,.24)}
.section-head h2{font-size:36px;line-height:1.3;font-weight:800;margin-bottom:14px;letter-spacing:-.01em}
.section-head .lead{font-size:17px;color:var(--text-muted);max-width:760px;line-height:1.8}
@media(max-width:64rem){.section-head h2{font-size:32px}}
@media(max-width:39.9375rem){.block{padding-top:var(--padding-section-mobile);padding-bottom:var(--padding-section-mobile)}.section-head h2{font-size:28px}.section-head .lead{font-size:15px}}

/* Site header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:76px;display:flex;align-items:center;background:rgba(6,26,34,.84);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid var(--line-soft);transition:background .3s ease,box-shadow .3s ease}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:100%;max-width:1280px}
.brand-logo{display:inline-flex;align-items:center;gap:9px;min-width:0;color:var(--text);white-space:nowrap;transition:opacity .2s}
.brand-logo:hover{color:var(--text);opacity:.88}
.logo-mark{width:36px;height:36px;flex:0 0 auto;border-radius:12px;background:rgba(61,219,180,.1);border:1px solid rgba(61,219,180,.3);display:inline-flex;align-items:center;justify-content:center;color:var(--primary);box-shadow:0 0 22px rgba(61,219,180,.14)}
.logo-mark svg{width:21px;height:21px}
.brand-name{font-size:22px;font-weight:600;letter-spacing:.01em;color:#EAF6F3;line-height:1;display:inline-flex;align-items:baseline;gap:4px}
.brand-name strong{color:var(--primary)}
.brand-name small{font-size:11px;font-weight:400;color:var(--text-weak);margin-left:6px;letter-spacing:.06em}
.main-nav.desktop-menu{display:flex}
.nav-list{display:flex;gap:6px;margin:0;padding:0}
.nav-item{position:relative}
.nav-link,.nav-item>a.nav-link{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 14px;font-size:15px;font-weight:600;color:var(--text-muted);border-radius:10px;transition:color .25s,background .25s}
.nav-link .dot{width:5px;height:5px;border-radius:50%;background:var(--primary);opacity:0;transition:opacity .2s}
.nav-link:hover{color:#fff}
.nav-link:hover .dot,.nav-link.is-active .dot,.nav-item.is-active>.nav-link .dot{opacity:1}
.nav-link.is-active,.nav-item.is-active>.nav-link{color:#fff;background:rgba(61,219,180,.06)}
.nav-more .nav-sub{display:block;position:absolute;top:56px;left:0;width:360px;background:rgba(7,29,39,.97);border:1px solid var(--line);border-radius:20px;padding:10px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .24s ease;box-shadow:0 20px 60px rgba(2,15,22,.42),0 0 0 1px rgba(165,235,224,.04) inset;backdrop-filter:blur(26px);z-index:120}
.nav-more:hover .nav-sub,.nav-more:focus-within .nav-sub{opacity:1;visibility:visible;transform:translateY(2px)}
.nav-sub .sub-item{display:flex;flex-direction:column;gap:2px;padding:11px 14px;border-radius:14px;color:var(--text-muted);transition:all .2s}
.nav-sub .sub-item strong{color:#EAF6F3;font-size:15px;font-weight:600;transition:color .2s}
.nav-sub .sub-item:hover{background:rgba(61,219,180,.08);color:#dff9f1}
.nav-sub .sub-item:hover strong{color:#83F3DA}
.nav-sub .sub-item.is-active{background:rgba(61,219,180,.11)}
.nav-sub .sub-item.is-active strong,.nav-sub .sub-item.is-active{color:var(--primary)}
.header-right{display:flex;align-items:center;gap:14px}
.header-tel{font-size:15px;font-weight:700;color:var(--text-muted);white-space:nowrap}
.header-tel:hover{color:var(--primary)}
.menu-toggle{display:none;width:44px;height:44px;background:rgba(61,219,180,.06);border:1px solid var(--line);color:#C4E5DC;border-radius:11px;cursor:pointer;justify-content:center;align-items:center}
.menu-toggle svg{width:24px;height:24px}
.menu-toggle:hover{background:rgba(61,219,180,.14)}
.mobile-nav{position:fixed;top:76px;left:0;right:0;z-index:99;background:rgba(6,28,38,.97);border-bottom:1px solid var(--line);padding:16px 26px 24px;transform:translateY(-118%);transition:transform .35s ease;backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px)}
.mobile-nav.open{transform:translateY(0)}
.mobile-nav-title{font-size:13px;letter-spacing:.08em;color:var(--text-muted);margin:8px 0 8px;text-transform:uppercase}
.mobile-nav a{display:block;padding:11px 0;color:var(--text);border-bottom:1px solid rgba(234,246,243,.07);font-size:15px}
.mobile-nav a:active{color:var(--primary)}
.mobile-nav-cta{margin-top:14px;display:flex;gap:10px}
@media(max-width:64rem){.main-nav.desktop-menu .nav-list{display:none}.menu-toggle{display:inline-flex}}
@media(max-width:39.9375rem){.site-header{height:64px}.header-tel{display:none}.header-main-cta{min-height:40px;padding:0 14px;font-size:13px}.mobile-nav{top:64px;padding:14px 18px}}

/* desktop nav active state */
.nav-more.is-active>.nav-link{color:#fff}
.nav-more.is-active>.nav-link::after{display:none}

/* Hero */
.page-hero{position:relative;min-height:38vh;max-height:62vh;padding:160px 0 80px;display:flex;align-items:center;overflow:hidden;background:#08232E;border-bottom:1px solid var(--line-soft)}
.page-hero .bg-img{position:absolute;inset:0;object-fit:cover;opacity:.26}
.page-hero::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,rgba(5,23,32,.78) 0%,rgba(7,36,47,.55) 54%,rgba(7,36,47,.38) 100%)}
.page-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:160px;z-index:3;background:linear-gradient(180deg,rgba(8,35,46,0) 0%,var(--bg-deep) 100%)}
.hero-content{position:relative;z-index:5;max-width:880px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border:1px solid rgba(61,219,180,.36);border-radius:var(--radius-pill);background:rgba(10,42,56,.6);color:#9FEEDB;font-size:13px;font-weight:600;letter-spacing:.08em;backdrop-filter:blur(12px)}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--primary);display:inline-block}
.page-hero h1{font-size:62px;font-weight:800;letter-spacing:-.03em;line-height:1.2;margin:22px 0 18px}
.page-hero h1 em{font-style:normal;color:var(--primary);text-shadow:0 0 34px rgba(61,219,180,.3)}
.page-hero .hero-copy{font-size:17px;color:var(--text-muted);max-width:680px;line-height:1.85}
.page-hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
@media(max-width:39.9375rem){.page-hero{padding:122px 0 54px;min-height:auto}.page-hero h1{font-size:38px;line-height:1.24}.page-hero .hero-copy{font-size:15px}.page-hero .hero-actions .btn{width:100%}}

/* breadcrumb */
.crumb{padding-top:24px;padding-bottom:0}
.crumb-list{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--text-weak);list-style:none}
.crumb-list a{color:var(--text-muted)}
.crumb-list a:hover{color:var(--primary)}

/* speed band */
.speed-band{background:rgba(5,23,31,.4);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:20px 0}
.speed-group{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px 34px;align-items:center}
.speed-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-muted);font-weight:600}
.speed-item::before{content:"◆";color:var(--primary);font-size:9px;opacity:.8}
@media(max-width:39.9375rem){.speed-group{display:grid;grid-template-columns:1fr 1fr;gap:10px}}

/* comparison */
.compare-block{background:var(--bg-dark);position:relative;padding-top:64px}
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;position:relative}
.compare-card{border-radius:var(--radius-lg);background:var(--card-bg);padding:28px;border:1px solid var(--line-soft);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);position:relative;box-shadow:var(--shadow-card);overflow:hidden}
.compare-card::before,.compare-card::after{content:"";position:absolute;top:0;left:14px;right:14px;height:1px;background:linear-gradient(90deg,transparent,rgba(165,235,224,.45),transparent)}
.compare-card .tag-title{font-size:15px;font-weight:800;letter-spacing:.04em;border-radius:var(--radius-pill);padding:6px 14px;display:inline-block}
.compare-card.problem .tag-title{background:rgba(233,96,103,.1);color:#F58A8E;border:1px solid rgba(233,96,103,.2)}
.compare-card.solution .tag-title{background:rgba(61,219,180,.1);color:var(--primary);border:1px solid rgba(61,219,180,.26)}
.compare-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(165,235,224,.13);font-size:15px;color:var(--text-muted)}
.compare-card.problem .compare-list li::before{content:"✕";color:var(--error);font-size:14px;font-weight:800;flex:0 0 auto}
.compare-card.solution .compare-list li::before{content:"✓";color:var(--success);font-weight:800;flex:0 0 auto}
.compare-card.solution .compare-list li{color:#CCE6E0}
@media(max-width:39.9375rem){.compare-grid{grid-template-columns:1fr}}
@media(min-width:40rem) and (max-width:63.9375rem){.compare-grid{grid-template-columns:1fr 1fr;gap:18px}}

/* features custom */
.redefine-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.feature-card{background:linear-gradient(180deg,rgba(17,52,67,.72),rgba(12,40,52,.7));border:1px solid rgba(165,235,224,.2);border-radius:var(--radius-md);padding:22px 22px 20px;position:relative;transition:transform .25s,background .25s,border-color .25s;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:18px;right:18px;height:1px;background:linear-gradient(90deg,transparent,rgba(165,235,224,.55),transparent)}
.feature-card:hover{transform:translateY(-5px);border-color:rgba(61,219,180,.45);background:linear-gradient(180deg,rgba(20,64,82,.8),rgba(14,45,58,.84))}
.feature-card .num{font-size:13px;font-weight:800;color:var(--primary);letter-spacing:.06em}
.feature-card h3{font-size:18px;font-weight:700;margin:8px 0 8px}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.7}
@media(max-width:64rem){.redefine-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:39.9375rem){.redefine-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.feature-card{padding:18px 14px}.feature-card h3{font-size:15px}.feature-card p{font-size:13px}}

/* triggers */
.trigger-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.trigger-card{background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-md);padding:24px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);min-height:206px;display:flex;flex-direction:column;position:relative;transition:border-color .25s,background .25s,transform .25s}
.trigger-card::after{content:"";position:absolute;inset:auto 0 -1px 0;height:3px;background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:0;transition:opacity .25s}
.trigger-card:hover{border-color:rgba(61,219,180,.45);background:var(--card-bg-hover);transform:translateY(-3px)}
.trigger-card:hover::after{opacity:1}
.trigger-card .ic{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(61,219,180,.09);color:var(--primary);margin-bottom:14px}
.trigger-card h3{font-size:18px;font-weight:700;line-height:1.45}
.trigger-card p{color:var(--text-muted);font-size:14px;margin-top:8px;line-height:1.7;flex:1}
.trigger-card .more{margin-top:12px}
@media(max-width:64rem){.trigger-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:39.9375rem){.trigger-grid{grid-template-columns:1fr}}

/* Process version / custom classification */
.process-band{background:var(--bg-dark);border-top:1px solid var(--line-soft)}
.process-wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;position:relative}
.process-wrap::before{content:"";position:absolute;top:40px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,var(--primary),rgba(61,219,180,.15));z-index:2}
.process-step{background:rgba(8,35,46,.72);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 18px 18px;position:relative;z-index:3}
.process-step .step-n{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#155c6e,#1a7290);color:#A4F3E4;font-weight:800;border:1px solid rgba(61,219,180,.35);margin-bottom:16px;box-shadow:0 0 22px rgba(61,219,180,.12)}
.process-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.process-step p{font-size:14px;color:var(--text-muted);line-height:1.65}
@media(max-width:64rem){.process-wrap{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;row-gap:24px}.process-wrap::before{display:none}}
@media(max-width:39.9375rem){.process-wrap{grid-template-columns:1fr}}

/* FAQ */
.faq-section{background:linear-gradient(180deg,var(--bg-dark),var(--bg-deep))}
.faq-max{max-width:970px;margin:0 auto}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{background:var(--card-bg);border:1px solid var(--line-soft)!important;border-radius:var(--radius-md);overflow:hidden;margin-bottom:14px;transition:border-color .25s,box-shadow .25s}
.accordion-item.is-active{background:rgba(14,52,67,.74);border-color:rgba(61,219,180,.36)!important;box-shadow:0 12px 38px rgba(2,16,21,.38),0 0 0 1px rgba(61,219,180,.05) inset}
.accordion-title{position:relative;display:flex;align-items:center;justify-content:space-between;padding:22px 44px 22px 22px;font-size:17px;font-weight:700;color:var(--text);line-height:1.5;border:0!important;background:transparent!important}
.accordion-title::before{position:absolute;right:16px!important;top:0;bottom:0;width:26px;height:26px;margin:auto;content:"+";display:flex;align-items:center;justify-content:center;border-radius:8px;background:rgba(61,219,180,.1);color:var(--primary);font-weight:700;font-size:18px;transition:transform .25s,background .25s}
.accordion-title:hover{background:rgba(61,219,180,.06)!important;color:var(--primary)}
.accordion-item.is-active>.accordion-title::before{transform:rotate(45deg);background:var(--primary);color:#05212A}
.accordion-content{border:0;background:transparent;padding:0 24px 22px 22px;color:var(--text-muted);font-size:15px}
.accordion-content p{margin-bottom:10px}
.accordion-content .next{color:var(--primary);font-size:14px;display:inline-block;margin-top:6px}
@media(max-width:39.9375rem){.accordion-title{font-size:16px;padding-right:44px;padding-left:16px}.accordion-content{padding:0 16px 18px}}

/* CTA */
.cta-banner{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:54px;background:#071f29;border:1px solid var(--line);margin:0 0 64px;box-shadow:var(--shadow-card)}
.cta-banner .cta-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.15;z-index:1}
.cta-banner::after{position:absolute;content:"";inset:0;background:linear-gradient(100deg,rgba(5,25,32,.92) 12%,rgba(7,36,47,.77) 60%,rgba(7,36,47,.5));z-index:2}
.cta-inner{position:relative;z-index:5;max-width:780px}
.cta-inner h2{font-size:32px;font-weight:800;line-height:1.45;margin-bottom:14px}
.cta-inner h2 em{color:var(--primary);font-style:normal}
.cta-inner p{color:var(--text-muted);font-size:16px;max-width:680px;margin-bottom:26px}
.cta-inner .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(max-width:39.9375rem){.cta-banner{padding:34px 20px}.cta-inner h2{font-size:24px}.cta-inner p{font-size:14px}.cta-actions .btn{width:calc(50% - 8px);padding:0 8px;font-size:13px}}

/* Site footer */
.site-footer{background:var(--bg-dark);color:var(--text-muted);position:relative;margin-top:0;padding-top:0}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,rgba(61,219,180,.55),rgba(36,168,217,.45),transparent)}
.footer-top{padding:64px 0 48px;display:grid;grid-template-columns:1.3fr .8fr 1.1fr;gap:44px}
.footer-desc{font-size:14px;color:var(--text-weak);max-width:360px;margin-top:18px;line-height:1.85}
.footer-col-title{font-size:15px;font-weight:700;color:#D7F2EB;margin-bottom:18px;letter-spacing:.04em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-muted);line-height:1.6}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(165,235,224,.08);padding:18px 0}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.footer-copy{font-size:13px;color:var(--text-weak)}
.footer-bottom-links{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
.footer-bottom-links a{color:var(--text-muted)}
.footer-bottom-links a:hover{color:var(--primary)}
.link-like{transition:color .2s}
.link-like:hover{color:var(--primary)!important}
@media(max-width:64rem){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:39.9375rem){.footer-top{padding:40px 0 30px;grid-template-columns:1fr;gap:26px}.footer-bottom .container{flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:4px}}

/* Mobile bottom tabs */
.mobile-tabs{display:none;background:rgba(8,35,46,.88);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-top:1px solid rgba(165,235,224,.16);position:fixed;bottom:0;left:0;right:0;z-index:90;justify-content:space-around;padding:6px 4px;box-shadow:0 -8px 28px rgba(1,14,18,.28)}
.mobile-tabs a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:56px;padding:0 6px;color:var(--text-muted);font-size:11px;border-radius:12px;flex:0 0 auto;min-width:64px}
.mobile-tabs a svg{width:22px;height:22px}
.mobile-tabs a:hover{color:#fff}
.mobile-tabs a.is-active{color:var(--primary);background:rgba(61,219,180,.1);box-shadow:0 -2px 0 0 var(--primary)}
@media(max-width:63.9375rem){.mobile-tabs{display:flex}body{padding-bottom:66px}}
@media(max-width:39.9375rem){.mobile-tabs a{min-width:0;min-height:58px}}

@media(max-width:500px){.mobile-tabs a span{font-size:10px}.mobile-tabs a{min-width:0;flex:1;padding:0 2px}}

/* reveal modal override */
.reveal-overlay{background:rgba(3,15,20,.7);backdrop-filter:blur(8px)}
.reveal.contact-reveal{background:#0C3340;border-radius:22px;color:var(--text);border:1px solid var(--line);padding:36px;max-width:560px;box-shadow:0 30px 90px rgba(1,14,17,.56),0 0 0 1px rgba(165,235,224,.08) inset}
.close-button{width:38px;height:38px;background:rgba(165,235,224,.06);border:1px solid rgba(165,235,224,.16);border-radius:50%;color:#B5D8D1;font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .25s}
.close-button:hover{background:rgba(61,219,180,.12);color:#fff}
.form-title{font-size:22px;font-weight:800;margin-bottom:8px}
.form-sub{font-size:14px;color:var(--text-muted);margin-bottom:24px}
.modal-field label{font-size:14px;font-weight:600;color:#C8E7E0;margin-bottom:8px;display:block}
.modal-field input,.modal-field select,.modal-field textarea{width:100%;min-height:44px;border-radius:10px;background:rgba(5,25,33,.74);border:1px solid rgba(165,235,224,.24);color:var(--text);padding:11px 14px;font-size:15px;outline:none;transition:border-color .25s,box-shadow .25s}
.modal-field textarea{min-height:112px;resize:vertical}
.modal-field input:focus,.modal-field select:focus,.modal-field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(61,219,180,.13)}
.modal-field select option{background:#082a35}
.form-note{font-size:13px;color:var(--text-weak);background:rgba(36,168,217,.08);border:1px solid rgba(36,168,217,.18);border-radius:12px;padding:12px 14px;margin-top:16px;line-height:1.7}
.form-note a{color:var(--primary)}
.contact-reveal .btn{width:100px;margin-top:14px}
@media(max-width:39.9375rem){.reveal.contact-reveal{padding:24px 16px}}
.back-to-top{position:fixed;right:24px;bottom:88px;display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:rgba(14,50,65,.84);border:1px solid var(--line);border-radius:50%;color:var(--primary);z-index:80;font-size:20px;box-shadow:0 8px 28px rgba(2,12,16,.48);transition:background .25s,color .25s,transform .25s}
.back-to-top:hover{background:var(--primary);color:#08232E;transform:translateY(-3px)}
@media(min-width:64rem){.back-to-top{bottom:24px}}

.visually-hidden {position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.text-weak{color:var(--text-weak)}
.section-gap{height:1px;background:linear-gradient(90deg,transparent,rgba(165,235,224,.15),transparent)}