/* roulang page: index */
:root{
  --brand:#17C3A6;
  --brand-dark:#12A88F;
  --brand-soft:#E6FAF6;
  --cta:#FF6A2B;
  --cta-dark:#E85818;
  --sand:#FFD27A;
  --ink-900:#0A0D12;
  --ink-800:#11151C;
  --ink-700:#1A2029;
  --paper:#F6F7FA;
  --white:#FFFFFF;
  --text:#0E1116;
  --text-2:#5A6472;
  --text-3:#8A93A0;
  --line:#E3E7EC;
  --line-dark:#232A33;
  --on-dark:#EEF2F6;
  --on-dark-2:#A9B3BF;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 8px 24px rgba(10,13,18,.06);
  --sh-2:0 12px 32px rgba(10,13,18,.10);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  padding-bottom:76px;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-dark);background:var(--brand-soft);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{font-size:32px;line-height:1.35;font-weight:800;letter-spacing:.01em;}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.9;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease-out;white-space:nowrap;
}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.btn-cta{background:var(--cta);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.24);}
.btn-cta:hover{background:var(--cta-dark);transform:translateY(-1px);box-shadow:0 10px 26px rgba(255,106,43,.32);}
.btn-cta:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,43,.22);}
.btn-brand{background:var(--brand);color:#04110E;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:var(--on-dark);}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);}
.btn-ghost-light{background:#fff;border-color:var(--line);color:var(--text);}
.btn-ghost-light:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-text{color:var(--brand-dark);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.btn-text:hover{text-decoration:underline;}
.btn:disabled,.btn.is-disabled{opacity:.45;transform:none;cursor:not-allowed;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,18,.92);
  border-bottom:1px solid var(--line-dark);
  backdrop-filter:blur(12px);
  transition:background .22s ease-out,box-shadow .22s ease-out;
}
.site-header.is-scrolled{background:rgba(10,13,18,.99);box-shadow:0 12px 32px rgba(0,0,0,.38);}
.nav-wrap{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,#17C3A6 0%,#0D8C79 100%);
  display:grid;place-items:center;color:#04110E;font-size:16px;
  box-shadow:0 0 0 1px rgba(23,195,166,.35);
}
.brand-text{color:var(--on-dark);line-height:1.15;}
.brand-name{display:block;font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand-sub{display:block;font-size:11px;color:var(--on-dark-2);letter-spacing:.22em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;
  padding:0 14px;border-radius:8px;font-size:15px;color:var(--on-dark-2);
  transition:color .18s ease-out,background .18s ease-out;
}
.nav-link:hover{color:var(--on-dark);background:rgba(255,255,255,.06);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:10px;width:280px;height:40px;
  padding:0 10px 0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.cmd-search i{color:var(--on-dark-2);font-size:13px;}
.cmd-search input{flex:1;background:transparent;border:0;outline:none;font-size:14px;color:var(--on-dark);min-width:0;}
.cmd-search input::placeholder{color:#6E7885;}
.cmd-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,195,166,.18);background:rgba(23,195,166,.08);}
.kbd{
  font-size:11px;font-family:Inter,system-ui,sans-serif;color:var(--on-dark-2);
  border:1px solid var(--line-dark);border-radius:6px;padding:2px 6px;background:rgba(255,255,255,.04);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-input);
  display:grid;place-items:center;background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);color:var(--on-dark-2);cursor:pointer;
  transition:all .18s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(23,195,166,.45);background:rgba(23,195,166,.08);}
.menu-btn{display:none;width:40px;height:40px;border-radius:var(--r-input);border:1px solid var(--line-dark);background:rgba(255,255,255,.05);color:var(--on-dark);cursor:pointer;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:100;
  background:var(--ink-800);border-left:1px solid var(--line-dark);
  transform:translateX(102%);transition:transform .26s ease-out;
  padding:22px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer nav{display:flex;flex-direction:column;gap:6px;}
.drawer nav a{padding:12px 14px;border-radius:10px;color:var(--on-dark-2);font-size:15px;border:1px solid transparent;}
.drawer nav a:hover{background:rgba(255,255,255,.05);color:var(--on-dark);}
.drawer nav a.active{color:var(--brand);background:rgba(23,195,166,.10);border-color:rgba(23,195,166,.28);}
.drawer .drawer-search{display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;border-radius:var(--r-input);background:rgba(255,255,255,.05);border:1px solid var(--line-dark);}
.drawer .drawer-search input{flex:1;background:transparent;border:0;outline:none;color:var(--on-dark);min-width:0;}
.drawer-foot{margin-top:auto;color:var(--on-dark-2);font-size:13px;line-height:1.9;border-top:1px solid var(--line-dark);padding-top:16px;}
.backdrop{position:fixed;inset:0;background:rgba(4,6,9,.6);z-index:90;opacity:0;pointer-events:none;transition:opacity .24s ease-out;}
.backdrop.show{opacity:1;pointer-events:auto;}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--ink-900);color:var(--on-dark);
  overflow:hidden;padding:76px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:34px 34px;opacity:.5;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);background:rgba(23,195,166,.12);border:1px solid rgba(23,195,166,.35);
  border-radius:999px;padding:7px 15px;
}
.hero h1{
  margin-top:22px;font-size:48px;line-height:1.25;font-weight:800;letter-spacing:.01em;color:#fff;
}
.hero-sub{
  margin-top:20px;font-size:19px;line-height:1.85;color:var(--on-dark-2);max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:38px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line-dark);}
.hero-metrics li strong{
  display:block;font-family:Inter,system-ui,sans-serif;font-size:28px;font-weight:800;
  color:var(--brand);line-height:1.2;
}
.hero-metrics li span{font-size:13px;color:var(--on-dark-2);}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-dark);}
.hero-visual img{width:100%;height:440px;object-fit:cover;}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,18,.25) 0%,rgba(10,13,18,.78) 100%);
}
.hero-float{
  position:absolute;left:22px;right:22px;bottom:22px;
  background:rgba(17,21,28,.88);border:1px solid rgba(23,195,166,.35);
  border-radius:14px;padding:16px 18px;display:flex;align-items:center;gap:14px;
}
.hero-float .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(23,195,166,.18);flex-shrink:0;}
.hero-float p{font-size:14px;color:var(--on-dark-2);line-height:1.7;}
.hero-float strong{display:block;color:#fff;font-size:15px;font-weight:700;}

/* ---------- 卖点错位双栏 ---------- */
.feature-split{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch;}
.feature-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease-out,box-shadow .22s ease-out;
  display:flex;flex-direction:column;
}
.feature-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.feature-main img{width:100%;height:236px;object-fit:cover;}
.feature-main-body{padding:26px 26px 30px;display:flex;flex-direction:column;gap:12px;flex:1;}
.feature-main h3{font-size:24px;font-weight:700;line-height:1.45;}
.feature-main p{color:var(--text-2);font-size:15.5px;}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.feature-bar{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;display:flex;gap:20px;align-items:flex-start;
  box-shadow:var(--sh-1);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.feature-bar:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(23,195,166,.45);}
.feature-icon{
  width:48px;height:48px;border-radius:13px;flex-shrink:0;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-dark);font-size:19px;
}
.feature-bar h3{font-size:20px;font-weight:700;line-height:1.45;}
.feature-bar p{margin-top:8px;color:var(--text-2);font-size:15px;}
.step-no{
  font-family:Inter,system-ui,sans-serif;font-size:12px;font-weight:700;color:var(--cta);
  letter-spacing:.1em;
}

/* ---------- Tabs 场景演示 ---------- */
.scene-sec{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.tab-btn{
  height:42px;padding:0 20px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:15px;font-weight:600;cursor:pointer;
  transition:all .18s ease-out;
}
.tab-btn:hover{border-color:var(--brand);color:var(--brand-dark);}
.tab-btn.active{background:var(--ink-900);border-color:var(--ink-900);color:#fff;}
.tab-panel{display:none;}
.tab-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.tab-panel img{width:100%;height:360px;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);}
.tab-copy h3{font-size:26px;font-weight:700;line-height:1.4;}
.tab-copy > p{margin-top:14px;color:var(--text-2);}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text);}
.check-list li i{color:var(--brand);margin-top:6px;font-size:14px;}
.tab-copy .btn-text{margin-top:24px;}

/* ---------- 数据条 & 评价 ---------- */
.metric-bar{
  background:var(--ink-900);border-radius:20px;padding:40px 36px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;color:#fff;
  position:relative;overflow:hidden;
}
.metric-bar::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,166,.28) 0%,transparent 70%);
}
.metric-item{position:relative;padding-left:18px;border-left:1px solid var(--line-dark);}
.metric-item:first-child{border-left:0;padding-left:0;}
.metric-item strong{display:block;font-family:Inter,system-ui,sans-serif;font-size:34px;font-weight:800;color:var(--brand);line-height:1.2;}
.metric-item span{font-size:13.5px;color:var(--on-dark-2);}
.quote-scroll{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;margin-top:40px;
}
.quote-scroll::-webkit-scrollbar{height:6px;}
.quote-scroll::-webkit-scrollbar-thumb{background:#D5DAE1;border-radius:6px;}
.quote-card{
  flex:0 0 calc(40% - 10px);min-width:300px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;scroll-snap-align:start;box-shadow:var(--sh-1);
}
.quote-card .stars{color:var(--sand);font-size:13px;letter-spacing:2px;}
.quote-card p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.9;}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-weight:700;font-size:15px;flex-shrink:0;
}
.quote-user strong{display:block;font-size:15px;font-weight:700;}
.quote-user span{font-size:13px;color:var(--text-3);}
.partner-row{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;padding-top:30px;border-top:1px solid var(--line);
}
.partner-row span{
  font-size:14px;color:var(--text-3);border:1px solid var(--line);border-radius:10px;
  padding:10px 18px;background:#fff;filter:grayscale(1);
  transition:all .2s ease-out;
}
.partner-row span:hover{filter:grayscale(0);color:var(--brand-dark);border-color:rgba(23,195,166,.45);}

/* ---------- CMS 列表 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  height:36px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;cursor:pointer;
  transition:all .18s ease-out;
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);}
.chip.active{background:var(--brand-soft);border-color:rgba(23,195,166,.5);color:var(--brand-dark);font-weight:600;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEFF3;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.badge-hot{
  position:absolute;top:12px;left:12px;background:var(--cta);color:#fff;
  font-size:12px;font-weight:600;border-radius:999px;padding:3px 10px;
}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-cat{
  align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}
.post-body h3{font-size:18px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:14.5px;color:var(--text-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);
}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;
}
.empty-state i{font-size:34px;color:var(--text-3);}
.empty-state p{margin-top:16px;color:var(--text-2);}
.empty-state a{margin-top:18px;display:inline-flex;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item[open]{border-color:rgba(23,195,166,.5);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;
  transition:transform .2s ease-out;
}
.faq-item[open] summary .sign{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-item .faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15.5px;line-height:1.9;}

/* ---------- 底部 CTA ---------- */
.cta-sec{
  position:relative;background:var(--ink-900);color:var(--on-dark);overflow:hidden;
  padding:80px 0;
}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.22;}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.cta-inner h2{font-size:34px;font-weight:800;line-height:1.35;color:#fff;}
.cta-inner > div > p{margin-top:16px;color:var(--on-dark-2);font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.form-card{
  background:rgba(17,21,28,.92);border:1px solid var(--line-dark);border-radius:18px;padding:28px;
}
.form-card h3{font-size:20px;font-weight:700;color:#fff;}
.form-card > p{margin-top:8px;font-size:14px;color:var(--on-dark-2);}
.form-row{margin-top:16px;}
.form-row label{display:block;font-size:13px;color:var(--on-dark-2);margin-bottom:7px;}
.form-row input,.form-row textarea{
  width:100%;height:46px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  color:var(--on-dark);padding:0 14px;outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.form-row textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.8;}
.form-row input:focus,.form-row textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,195,166,.18);}
.form-card .btn{width:100%;margin-top:22px;}
.form-note{margin-top:12px;font-size:12.5px;color:#6E7885;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-800);color:var(--on-dark-2);padding:64px 0 0;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.footer-brand .brand-name{color:#fff;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.9;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;transition:color .18s ease-out;}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0;display:flex;flex-wrap:wrap;
  gap:12px;align-items:center;justify-content:space-between;font-size:13px;
}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:75;
  transform:translateY(130%);transition:transform .24s ease-out;
  pointer-events:none;
}
.sticky-cta.show{transform:translateY(0);pointer-events:auto;}
.sticky-inner{
  max-width:720px;margin:0 auto 14px;
  background:rgba(17,21,28,.97);border:1px solid var(--line-dark);
  border-radius:999px;padding:10px 12px 10px 24px;
  display:flex;align-items:center;gap:18px;justify-content:space-between;
  box-shadow:0 16px 40px rgba(0,0,0,.35);
}
.sticky-inner p{font-size:14.5px;color:var(--on-dark-2);}
.sticky-inner p strong{color:#fff;font-weight:700;}
.sticky-actions{display:flex;align-items:center;gap:10px;}
.sticky-icon{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--on-dark-2);
  padding:0 10px;height:40px;border-radius:10px;transition:color .18s ease-out,background .18s ease-out;
}
.sticky-icon:hover{color:var(--brand);background:rgba(23,195,166,.1);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main-nav .nav-link{padding:0 10px;font-size:14.5px;}
  .cmd-search{width:220px;}
}
@media (max-width:1023px){
  .main-nav,.cmd-search,.nav-right .icon-btn{display:none;}
  .menu-btn{display:grid;place-items:center;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:38px;}
  .hero-visual img{height:340px;}
  .feature-split{grid-template-columns:1fr;}
  .tab-panel.active{grid-template-columns:1fr;gap:28px;}
  .tab-panel img{height:300px;}
  .metric-bar{grid-template-columns:repeat(2,1fr);gap:28px;padding:32px 26px;}
  .metric-item:nth-child(3){border-left:0;padding-left:0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .quote-card{flex:0 0 58%;}
}
@media (max-width:640px){
  body{padding-bottom:72px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .sec-head{margin-bottom:32px;}
  .sec-head h2{font-size:24px;}
  .hero{padding:48px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions .btn,.hero-actions .btn-lg{width:100%;}
  .hero-metrics{gap:24px;}
  .hero-metrics li strong{font-size:22px;}
  .hero-visual img{height:250px;}
  .feature-main img{height:190px;}
  .feature-bar{flex-direction:column;gap:14px;padding:20px;}
  .tab-btn{height:38px;padding:0 15px;font-size:14px;}
  .tab-copy h3{font-size:21px;}
  .metric-bar{grid-template-columns:1fr;gap:22px;}
  .metric-item{border-left:0;padding-left:0;}
  .card-grid{grid-template-columns:1fr;}
  .quote-card{flex:0 0 84%;min-width:0;}
  .footer-grid{grid-template-columns:1fr;}
  .sticky-inner{
    max-width:none;margin:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;
    padding:8px 12px;gap:10px;flex-direction:column;align-items:stretch;
  }
  .sticky-inner p{display:none;}
  .sticky-actions{gap:8px;}
  .sticky-actions .btn{flex:1;}
  .sticky-icon{justify-content:center;flex:1;border:1px solid var(--line-dark);}
}

/* roulang page: article */
:root{
  --teal:#17C3A6;
  --teal-dark:#12A88F;
  --teal-soft:#E6FAF6;
  --orange:#FF6A2B;
  --orange-dark:#E85818;
  --sand:#FFD27A;
  --ink-900:#0A0D12;
  --ink-800:#11151C;
  --ink-700:#1A2029;
  --line-dark:#232A33;
  --line-dark-2:#2A323D;
  --paper:#F6F7FA;
  --text:#0E1116;
  --text-2:#5A6472;
  --text-3:#8A93A0;
  --line:#E3E7EC;
  --radius-card:16px;
  --radius-btn:12px;
  --shadow-sm:0 8px 24px rgba(10,13,18,.06);
  --shadow-md:0 12px 32px rgba(10,13,18,.10);
  --font-sans:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:1240px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,18,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-dark);
  transition:background .22s ease-out,border-color .22s ease-out;
}
.site-header.is-scrolled{background:rgba(10,13,18,.98);border-bottom-color:var(--line-dark-2);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,#22D6B6,#0E8E7A);
  color:#03120F;font-size:15px;box-shadow:0 0 0 1px rgba(23,195,166,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:16px;font-weight:800;color:#EEF2F6;letter-spacing:.01em;}
.brand-sub{font-size:11px;color:#8A93A0;letter-spacing:.16em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;padding:0 12px;
  font-size:15px;color:#A9B3BF;
}
.nav-link:hover{color:#EEF2F6;}
.nav-link.active{color:#EEF2F6;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--teal);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:280px;height:40px;padding:0 12px;
  background:#141A22;border:1px solid var(--line-dark-2);border-radius:10px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.cmd-search:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px rgba(23,195,166,.18);}
.cmd-search i{font-size:13px;color:#8A93A0;}
.cmd-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#EEF2F6;font-size:14px;}
.cmd-search input::placeholder{color:#6C7683;}
.kbd{
  font-family:var(--font-num);font-size:11px;color:#8A93A0;
  border:1px solid var(--line-dark-2);border-radius:6px;padding:2px 6px;white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line-dark-2);
  display:grid;place-items:center;color:#A9B3BF;transition:all .2s ease-out;
}
.icon-btn:hover{color:#EEF2F6;border-color:#39424E;background:rgba(255,255,255,.05);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;border:1px solid transparent;
  transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn:active{transform:translateY(0);}
.btn-cta{background:var(--orange);color:#fff;}
.btn-cta:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.28);}
.btn-ghost{border-color:var(--line-dark-2);color:#EEF2F6;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.07);border-color:#3B4552;}
.btn-outline-light{border-color:var(--line);color:var(--text);background:#fff;}
.btn-outline-light:hover{border-color:var(--teal);color:var(--teal-dark);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-line{color:var(--teal-dark);font-weight:600;padding:0;height:auto;}
.btn-line:hover{text-decoration:underline;text-underline-offset:4px;}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-dark-2);
  color:#EEF2F6;place-items:center;
}
.menu-btn:hover{background:rgba(255,255,255,.07);}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:120;width:86%;max-width:360px;height:100%;
  background:var(--ink-800);border-left:1px solid var(--line-dark);
  transform:translateX(102%);transition:transform .26s ease-out;
  padding:22px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line-dark-2);color:#EEF2F6;display:grid;place-items:center;}
.drawer-close:hover{background:rgba(255,255,255,.07);}
.drawer-link{
  display:block;padding:14px 4px;font-size:16px;color:#C9D2DC;
  border-bottom:1px solid var(--line-dark);transition:color .2s ease-out;
}
.drawer-link:hover,.drawer-link.active{color:var(--teal);}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin:18px 0;background:#141A22;border:1px solid var(--line-dark-2);border-radius:10px;}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;color:#EEF2F6;font-size:14px;}
.drawer-foot{margin-top:24px;color:#8A93A0;font-size:13px;line-height:1.9;}

/* ============ 文章头部 ============ */
.article-hero{position:relative;background:var(--ink-800);padding:22px 0 76px;overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.24;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(10,13,18,.96) 0%,rgba(10,13,18,.80) 55%,rgba(17,21,28,.90) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:#8A93A0;}
.breadcrumb a{color:#A9B3BF;}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb .sep{color:#5A6472;}
.breadcrumb .current{color:#DDE4EB;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;margin-top:22px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(23,195,166,.14);color:#5FE3C9;border:1px solid rgba(23,195,166,.32);
}
.hero-badge i{font-size:11px;}
.article-hero h1{
  margin:16px 0 0;max-width:900px;
  font-size:34px;line-height:1.32;font-weight:800;color:#EEF2F6;letter-spacing:.01em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:13.5px;color:#A9B3BF;}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--teal);font-size:12px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#3B4552;}

/* ============ 正文布局 ============ */
.article-body{padding:0 0 8px;background:var(--paper);}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
@media (min-width:1280px){
  .layout{grid-template-columns:minmax(0,1fr) 320px;gap:36px;}
}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:34px 36px 38px;margin-top:-46px;box-shadow:var(--shadow-sm);
}
.cover-figure{margin:0 0 28px;border-radius:14px;overflow:hidden;background:#EDF0F4;aspect-ratio:16/9;}
.cover-figure img{width:100%;height:100%;object-fit:cover;}
.article-content{max-width:760px;font-size:16px;line-height:1.9;color:var(--text);}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 20px;line-height:1.9;}
.article-content h2{
  position:relative;margin:46px 0 16px;padding-left:16px;
  font-size:27px;line-height:1.4;font-weight:700;color:var(--text);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;border-radius:3px;background:var(--teal);
}
.article-content h3{margin:32px 0 12px;font-size:21px;line-height:1.45;font-weight:700;color:var(--text);}
.article-content h4{margin:24px 0 10px;font-size:18px;font-weight:600;}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:24px;}
.article-content li{margin-bottom:9px;line-height:1.88;}
.article-content ul li::marker{color:var(--teal);}
.article-content ol li::marker{color:var(--teal);font-weight:700;}
.article-content blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--teal);
  background:var(--teal-soft);border-radius:0 12px 12px 0;
  font-size:18px;line-height:1.9;color:#123B35;
}
.article-content img{margin:26px auto;border-radius:14px;}
.article-content figure{margin:26px 0;}
.article-content figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);}
.article-content a{color:var(--teal-dark);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:#0C7F6C;}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-content th{background:var(--paper);font-weight:600;color:var(--text);}
.article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* 标签与底部 */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--teal-soft);color:var(--teal-dark);font-size:13px;font-weight:600;
  transition:background .2s ease-out,color .2s ease-out;
}
.tag:hover{background:var(--teal);color:#fff;}
.tag-hot{background:rgba(255,106,43,.12);color:var(--orange-dark);}
.tag-hot:hover{background:var(--orange);color:#fff;}

.continue-nav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:26px;}
@media (min-width:640px){.continue-nav{grid-template-columns:1fr 1fr;}}
.continue-card{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);
  border-radius:14px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.continue-card:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.continue-label{display:block;font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}
.continue-card strong{display:block;margin-top:8px;font-size:16.5px;font-weight:700;color:var(--text);}
.continue-card .arrow{margin-top:12px;color:var(--teal-dark);font-size:13px;font-weight:600;}

/* 空态 */
.empty-state{
  background:#fff;border:1px dashed #D3DAE2;border-radius:18px;
  padding:72px 28px;text-align:center;margin-top:-46px;box-shadow:var(--shadow-sm);
}
.empty-state .empty-icon{
  width:62px;height:62px;margin:0 auto 18px;border-radius:16px;display:grid;place-items:center;
  background:var(--teal-soft);color:var(--teal-dark);font-size:22px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px;padding-bottom:40px;}
@media (min-width:1280px){
  .article-side{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 120px);overflow-y:auto;padding-bottom:10px;}
}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow-sm);}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;padding-left:11px;position:relative;}
.side-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--teal);}
.toc-list{display:flex;flex-direction:column;}
.toc-link{
  display:block;padding:8px 10px;font-size:14px;color:var(--text-2);border-radius:8px;
  border-left:2px solid transparent;line-height:1.6;
  transition:color .2s ease-out,background .2s ease-out,border-color .2s ease-out;
}
.toc-link:hover{color:var(--text);background:var(--paper);}
.toc-link.active{color:var(--teal-dark);border-left-color:var(--teal);background:var(--teal-soft);font-weight:600;}
.toc-link-sub{padding-left:24px;font-size:13.5px;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-item{display:flex;gap:12px;align-items:flex-start;}
.side-item img{width:72px;height:52px;border-radius:10px;object-fit:cover;flex-shrink:0;background:#EDF0F4;}
.side-item span{font-size:14px;line-height:1.6;color:var(--text-2);transition:color .2s ease-out;}
.side-item:hover span{color:var(--teal-dark);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  padding:5px 12px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:var(--paper);border:1px solid var(--line);
  transition:all .2s ease-out;
}
.tag-cloud a:hover{color:var(--teal-dark);border-color:var(--teal);background:var(--teal-soft);}
.side-cta{
  border-radius:14px;padding:22px;color:#EEF2F6;
  background:linear-gradient(150deg,#121A22 0%,#0A0D12 100%);
  border:1px solid rgba(23,195,166,.35);
  box-shadow:0 0 0 1px rgba(23,195,166,.14);
}
.side-cta h3{font-size:17px;margin-bottom:10px;}
.side-cta p{font-size:13.5px;color:#A9B3BF;line-height:1.8;margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ============ 相关推荐 ============ */
.section{padding:80px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--teal-dark);letter-spacing:.06em;
}
.section-eyebrow::before{content:"";width:18px;height:2px;background:var(--teal);border-radius:2px;}
.section-head h2{margin-top:12px;font-size:30px;line-height:1.35;font-weight:800;color:var(--text);}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px;}
.grid-3{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.grid-3{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D8DFE7;}
.card-media{aspect-ratio:16/9;background:#EDF0F4;overflow:hidden;position:relative;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.02);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,18,0) 55%,rgba(10,13,18,.28) 100%);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-badge{
  align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--teal-soft);color:var(--teal-dark);
}
.card-badge.hot{background:rgba(255,106,43,.13);color:var(--orange-dark);}
.card h3{font-size:17.5px;line-height:1.55;font-weight:700;color:var(--text);}
.card p{font-size:14px;line-height:1.8;color:var(--text-2);}
.card-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);display:flex;justify-content:space-between;gap:10px;}

/* ============ 转化区 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background:var(--ink-900);color:#EEF2F6;padding:52px 44px;
  border:1px solid rgba(23,195,166,.28);
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,166,.30) 0%,rgba(23,195,166,0) 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.05fr .95fr;gap:48px;}}
.cta-band h2{font-size:30px;line-height:1.35;font-weight:800;}
.cta-band .cta-desc{margin-top:14px;color:#A9B3BF;font-size:15px;line-height:1.9;max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:14px;color:#C9D2DC;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points i{color:var(--teal);font-size:12px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.form-card{background:rgba(255,255,255,.04);border:1px solid var(--line-dark-2);border-radius:16px;padding:24px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13px;color:#A9B3BF;margin-bottom:8px;}
.form-row input,.form-row textarea{
  width:100%;background:#0E131A;border:1px solid var(--line-dark-2);border-radius:10px;
  padding:0 14px;height:46px;color:#EEF2F6;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-row textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-row input:focus,.form-row textarea:focus{border-color:var(--teal);box-shadow:0 0 0 2px rgba(23,195,166,.22);}
.form-row input::placeholder,.form-row textarea::placeholder{color:#5C6673;}
.form-card .btn{width:100%;margin-top:6px;}
.form-tip{margin-top:12px;font-size:12.5px;color:#8A93A0;text-align:center;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#A9B3BF;padding:70px 0 0;margin-top:80px;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:46px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-name{color:#EEF2F6;}
.site-footer h4{font-size:15px;color:#EEF2F6;font-weight:700;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:#A9B3BF;transition:color .2s ease-out;}
.footer-links a:hover{color:var(--teal);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8A93A0;
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-btn{display:grid;}
  .cmd-search{display:none;}
  .nav-right .btn-cta{display:none;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .nav-wrap{height:62px;}
  .nav-link{height:62px;}
  .article-hero{padding:18px 0 66px;}
  .article-hero h1{font-size:26px;line-height:1.36;}
  .article-card{padding:22px 18px 26px;margin-top:-38px;border-radius:16px;}
  .article-content h2{font-size:22px;margin-top:36px;}
  .article-content h3{font-size:19px;}
  .article-content blockquote{font-size:16.5px;padding:14px 16px;}
  .empty-state{padding:52px 20px;margin-top:-38px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:24px;}
  .section-head h2{font-size:24px;}
  .cta-band{padding:34px 20px;border-radius:16px;}
  .cta-band h2{font-size:24px;}
  .site-footer{padding:52px 0 0;margin-top:56px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#17C3A6;
  --c-primary-h:#12A88F;
  --c-primary-soft:#E6FAF6;
  --c-cta:#FF6A2B;
  --c-cta-h:#E85818;
  --c-gold:#FFD27A;
  --bg-900:#0A0D12;
  --bg-800:#11151C;
  --bg-700:#1A2029;
  --paper:#F6F7FA;
  --t-1:#0E1116;
  --t-2:#5A6472;
  --t-3:#8A93A0;
  --t-inv-1:#EEF2F6;
  --t-inv-2:#A9B3BF;
  --line:#E3E7EC;
  --line-dark:#232A33;
  --r-card:16px;
  --r-btn:11px;
  --r-input:10px;
  --sh-1:0 8px 24px rgba(10,13,18,.06);
  --sh-2:0 12px 32px rgba(10,13,18,.10);
  --wrap:1200px;
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--t-1);
  background:#FFFFFF;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;font-weight:800;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:24px;padding-right:24px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,18,.94);
  border-bottom:1px solid var(--line-dark);
  backdrop-filter:blur(10px);
  transition:background .2s ease-out,box-shadow .2s ease-out;
}
.site-header.scrolled{background:var(--bg-900);box-shadow:0 10px 30px rgba(0,0,0,.38)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--t-inv-1);flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#17C3A6,#0C8A74);
  color:#04120F;font-size:16px;
  box-shadow:0 0 0 1px rgba(23,195,166,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800}
.brand-sub{font-size:11px;color:#7E8A97;letter-spacing:.2em}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;color:var(--t-inv-2);
  padding:22px 0;transition:color .18s ease-out;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--t-inv-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--t-inv-1);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex:1 1 auto;justify-content:flex-end}
.cmd-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:280px;height:42px;padding:0 12px;
  background:var(--bg-800);border:1px solid var(--line-dark);border-radius:10px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cmd-search i{color:var(--t-3);font-size:13px}
.cmd-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:var(--t-inv-1);font-size:14px;
}
.cmd-search input::placeholder{color:#6C7686}
.cmd-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(23,195,166,.25)}
.kbd{
  font-family:var(--font-num);font-size:11px;color:var(--t-inv-2);
  border:1px solid var(--line-dark);border-radius:6px;padding:2px 6px;white-space:nowrap;
}
.icon-btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line-dark);
  background:transparent;color:var(--t-inv-2);cursor:pointer;
  display:grid;place-items:center;transition:all .18s ease-out;
}
.icon-btn:hover{color:var(--t-inv-1);border-color:#39424F;background:var(--bg-800)}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line-dark);background:transparent;color:var(--t-inv-1);
  cursor:pointer;place-items:center;transition:all .18s ease-out;
}
.menu-btn:hover{background:var(--bg-800)}
.nav-cta-mobile{display:none}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-cta{background:var(--c-cta);color:#fff;border-radius:999px}
.btn-cta:hover{background:var(--c-cta-h);transform:translateY(-1px);box-shadow:0 10px 24px rgba(232,88,24,.32)}
.btn-cta:active{transform:translateY(0);box-shadow:none}
.btn-ghost-dark{background:transparent;color:var(--t-inv-1);border-color:#2A323D}
.btn-ghost-dark:hover{background:rgba(255,255,255,.06);border-color:#3A4351}
.btn-ghost-light{background:transparent;color:var(--t-1);border-color:var(--line)}
.btn-ghost-light:hover{background:var(--paper);border-color:#CFD6DF}
.btn-outline-primary{background:transparent;color:var(--c-primary-h);border-color:rgba(23,195,166,.5)}
.btn-outline-primary:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ===== Hero ===== */
.hero{position:relative;background:var(--bg-900);color:var(--t-inv-1);overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.45;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,18,.82) 0%,rgba(10,13,18,.94) 62%,rgba(10,13,18,.98) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:72px}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t-inv-2);margin-bottom:28px;flex-wrap:wrap}
.crumbs a{color:var(--t-inv-2);transition:color .18s ease-out}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#4A5462}
.crumbs .cur{color:var(--t-inv-1)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:rgba(23,195,166,.12);
  border:1px solid rgba(23,195,166,.35);
  border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:800;
  max-width:900px;margin-bottom:20px;
}
.hero-sub{font-size:18px;color:var(--t-inv-2);max-width:680px;margin-bottom:32px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  max-width:760px;border-top:1px solid var(--line-dark);padding-top:26px;
}
.hero-metrics .num{
  font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--c-primary);
  display:block;line-height:1.2;
}
.hero-metrics .lbl{font-size:13px;color:var(--t-inv-2)}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section-alt{background:var(--paper)}
.section-dark{background:var(--bg-900);color:var(--t-inv-1)}
.sec-head{max-width:760px;margin-bottom:44px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary-h);letter-spacing:.02em;
}
.kicker::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--c-primary)}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);margin:14px 0 14px}
.sec-head p{color:var(--t-2);font-size:16px;line-height:1.9}
.section-dark .sec-head p{color:var(--t-inv-2)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.sec-head-row .sec-head{margin-bottom:0}

/* ===== 筛选 chips ===== */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--t-2);font-size:14px;cursor:pointer;
  transition:all .18s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-h)}
.chip.active{
  background:var(--c-primary-soft);border-color:var(--c-primary);
  color:var(--c-primary-h);font-weight:600;
}

/* ===== 卡片 ===== */
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DDE5}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-700)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.02)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:19px;line-height:1.45}
.card-body p{font-size:14px;color:var(--t-2);line-height:1.85}
.card-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--t-3);margin-top:auto;
}
.card-link{font-size:14px;font-weight:600;color:var(--c-primary-h)}
.card-link:hover{text-decoration:underline}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;
  background:var(--c-primary-soft);color:var(--c-primary-h);
}
.badge-hot{background:#FFEDE4;color:#C74E16}
.badge-new{background:#FFF4DE;color:#A9761A}

/* ===== 能力条 ===== */
.capability-list{display:grid;gap:18px}
.cap-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.cap-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.cap-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary-h);font-size:18px;
}
.cap-item h3{font-size:18px;margin-bottom:6px}
.cap-item p{font-size:14.5px;color:var(--t-2)}
.cap-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}

/* ===== 数据条 ===== */
.stats-band{
  margin-top:48px;background:var(--bg-900);border-radius:var(--r-card);
  padding:34px 32px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  border:1px solid var(--line-dark);
}
.stats-band .num{
  font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--c-primary);
  display:block;line-height:1.2;
}
.stats-band .lbl{font-size:13.5px;color:var(--t-inv-2)}

/* ===== 流程 ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.flow-step .idx{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:#fff;
  background:var(--c-primary-h);border-radius:8px;padding:3px 10px;display:inline-block;
  margin-bottom:14px;
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--t-2)}

/* ===== 场景图文 ===== */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.scene-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scene-list{display:grid;gap:16px;margin:26px 0 30px}
.scene-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--t-2)}
.scene-list i{color:var(--c-primary);margin-top:6px;font-size:14px}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:background .2s ease-out,border-color .2s ease-out;
}
.faq-item[open]{background:#F1FBF8;border-color:rgba(23,195,166,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:17px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--c-primary-h);
  transition:transform .2s ease-out;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--t-2);font-size:15px;line-height:1.9}

/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(135deg,#0A0D12 0%,#12212A 100%);
  border:1px solid var(--line-dark);border-radius:22px;
  padding:52px 48px;color:var(--t-inv-1);
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:16px}
.cta-band p{color:var(--t-inv-2);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--t-inv-2);margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:#11151C;border:1px solid var(--line-dark);border-radius:var(--r-input);
  color:var(--t-inv-1);padding:0 14px;height:46px;outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{height:112px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#666F7D}
.field input:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(23,195,166,.25)}
.form-hint{font-size:13px;color:#7E8A97;margin-top:14px}
.form-submit{margin-top:22px;justify-content:center;width:100%}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-900);color:var(--t-inv-2);padding-top:64px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:var(--t-inv-1)}
.site-footer h4{color:var(--t-inv-1);font-size:15px;font-weight:700;margin:0 0 18px}
.site-footer p{font-size:14px;color:var(--t-inv-2);line-height:1.9}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--t-inv-2);transition:color .18s ease-out}
.footer-links a:hover{color:var(--c-primary)}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line-dark);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E8A97;
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .cmd-search{width:240px}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:0;right:0;z-index:90;
    width:290px;height:100vh;
    background:var(--bg-800);border-left:1px solid var(--line-dark);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:96px 22px 32px;
    transform:translateX(100%);transition:transform .24s ease-out;
    overflow-y:auto;
  }
  body.drawer-open .main-nav{transform:translateX(0)}
  body.drawer-open::before{
    content:"";position:fixed;inset:0;background:rgba(10,13,18,.55);z-index:85;
  }
  .nav-link{width:100%;padding:16px 4px;font-size:16px;border-bottom:1px solid var(--line-dark)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--c-primary)}
  .cmd-search,.icon-btn{display:none}
  .menu-btn{display:grid}
  .nav-right .btn-cta{display:none}
  .nav-cta-mobile{display:inline-flex;margin-top:24px;width:100%;justify-content:center}
  .cap-layout{grid-template-columns:1fr;gap:32px}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 18px}
  .scene-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;gap:34px;padding:40px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:639px){
  .container{padding-left:16px;padding-right:16px}
  .hero-inner{padding-top:36px;padding-bottom:52px}
  .hero-sub{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-metrics{grid-template-columns:1fr;gap:14px;padding-top:22px}
  .grid-cards{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr;padding:26px 22px}
  .sec-head h2{margin-top:10px}
  .cta-band{padding:32px 20px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .section{padding:56px 0}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-body{padding:0 18px 18px}
  .crumb-line{display:none}
}

/* roulang page: category2 */
:root{
  --teal:#17C3A6;
  --teal-dark:#12A88F;
  --teal-soft:#E6FAF6;
  --orange:#FF6A2B;
  --orange-dark:#E85818;
  --sand:#FFD27A;
  --ink-900:#0A0D12;
  --ink-800:#11151C;
  --ink-700:#1A2029;
  --paper:#F6F7FA;
  --white:#FFFFFF;
  --t1:#0E1116;
  --t2:#5A6472;
  --t3:#8A93A0;
  --line:#E3E7EC;
  --line-dark:#232A33;
  --inv1:#EEF2F6;
  --inv2:#A9B3BF;
  --r-card:16px;
  --r-btn:11px;
  --r-pill:999px;
  --sh1:0 8px 24px rgba(10,13,18,.06);
  --sh2:0 12px 32px rgba(10,13,18,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
.site-body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.site-body a{color:inherit;text-decoration:none}
.site-body img{max-width:100%;display:block}
.site-body button,.site-body input,.site-body textarea{font-family:inherit}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p,.site-body ul,.site-body ol{margin:0}
.site-body ul{padding:0;list-style:none}
section[id],div[id]{scroll-margin-top:92px}
.num-font{font-family:"Inter",system-ui,-apple-system,sans-serif}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:66px;
  background:rgba(10,13,18,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-dark);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{background:#070A0E;box-shadow:0 8px 26px rgba(0,0,0,.38)}
.nav-wrap{height:66px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  color:#04120F;font-size:15px;
  background:linear-gradient(135deg,var(--teal),#79E5D0);
  box-shadow:0 0 0 1px rgba(23,195,166,.4),0 6px 16px rgba(23,195,166,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--inv1);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--teal);letter-spacing:.18em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--inv2);border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--teal);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:296px;height:40px;padding:0 12px;
  border-radius:10px;background:rgba(255,255,255,.05);border:1px solid #2A323D;color:var(--inv2);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cmd-search:hover{border-color:#39424f}
.cmd-search:focus-within{border-color:var(--teal);background:rgba(23,195,166,.08);box-shadow:0 0 0 3px rgba(23,195,166,.18)}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;color:var(--inv1);font-size:14px}
.cmd-search input::placeholder{color:#6F7885}
.kbd{font-size:11px;color:#8B95A2;border:1px solid #2A323D;border-radius:6px;padding:1px 6px;font-family:"Inter",system-ui,sans-serif}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid #2A323D;color:var(--inv2);cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:var(--teal);background:rgba(23,195,166,.1)}
.icon-btn:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid #2A323D;color:var(--inv1);
}
.menu-btn:hover{border-color:var(--teal)}
.search-mobile{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}
.btn-cta{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.28)}
.btn-cta:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,43,.34)}
.btn-cta:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,43,.3)}
.btn-ghost{background:transparent;border-color:#2A323D;color:var(--inv1)}
.btn-ghost:hover{border-color:var(--teal);color:#fff;background:rgba(23,195,166,.1);transform:translateY(-1px)}
.btn-line{background:#fff;border-color:var(--line);color:var(--t1)}
.btn-line:hover{border-color:var(--teal);color:var(--teal-dark);transform:translateY(-1px);box-shadow:var(--sh1)}
.btn-teal{background:var(--teal);color:#04120F}
.btn-teal:hover{background:var(--teal-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(23,195,166,.26)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:52px 0 64px;
  background:var(--ink-900) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(10,13,18,.95) 0%,rgba(10,13,18,.88) 44%,rgba(10,13,18,.66) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:radial-gradient(1.6px 1.6px at 18% 26%,rgba(255,210,122,.9) 50%,transparent 51%),
                   radial-gradient(1.4px 1.4px at 72% 18%,rgba(23,195,166,.9) 50%,transparent 51%),
                   radial-gradient(1.2px 1.2px at 86% 62%,rgba(255,255,255,.65) 50%,transparent 51%),
                   radial-gradient(1.2px 1.2px at 42% 76%,rgba(23,195,166,.7) 50%,transparent 51%);
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--inv2)}
.crumbs a{transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--teal)}
.crumbs .sep{color:#4B5563}
.crumbs .now{color:#DDE4EA}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:#8FF0DC;background:rgba(23,195,166,.14);border:1px solid rgba(23,195,166,.35);
  margin-top:20px;
}
.hero-title{
  margin-top:16px;font-size:clamp(30px,4.1vw,48px);line-height:1.25;font-weight:800;color:#fff;letter-spacing:.01em;max-width:900px;
}
.hero-title .hl{color:var(--teal)}
.hero-sub{margin-top:18px;max-width:720px;font-size:17px;line-height:1.9;color:#C7CFD8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:var(--r-pill);
  font-size:13px;color:#CBD4DD;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
}
.tag-chip i{color:var(--teal)}

/* ---------- Metrics ---------- */
.metrics{background:#fff;border-bottom:1px solid var(--line)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:34px 0}
.metric{border-left:3px solid var(--teal-soft);padding-left:16px}
.metric .num{font-family:"Inter",system-ui,sans-serif;font-size:32px;font-weight:800;color:var(--t1);line-height:1.15;letter-spacing:-.01em}
.metric .num em{font-style:normal;color:var(--teal);font-size:19px;margin-left:2px}
.metric .lbl{margin-top:6px;font-size:14px;color:var(--t2)}

/* ---------- Layout ---------- */
.layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:40px;padding:60px 0 84px;align-items:start}
.side-nav{
  position:sticky;top:92px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 16px;box-shadow:var(--sh1);
}
.side-title{font-size:13px;letter-spacing:.1em;color:var(--t3);font-weight:600;padding:0 10px 10px}
.side-divider{height:1px;background:var(--line);margin:14px 6px}
.side-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:15px;
  color:var(--t2);border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.side-link i{font-size:14px;color:var(--t3);transition:color .2s var(--ease)}
.side-link:hover{background:var(--teal-soft);color:var(--teal-dark)}
.side-link:hover i{color:var(--teal-dark)}
.side-link.active{background:var(--teal-soft);color:var(--t1);font-weight:600;border-left-color:var(--teal)}
.side-link.active i{color:var(--teal-dark)}
.side-link.sub{font-size:14.5px;padding:9px 12px}
.side-cta{
  margin-top:16px;padding:18px 16px;border-radius:14px;color:var(--inv1);
  background:linear-gradient(140deg,#0F1620,#16222C);border:1px solid rgba(23,195,166,.35);
}
.side-cta strong{display:block;font-size:15px;color:#fff}
.side-cta p{font-size:13px;color:var(--inv2);margin:8px 0 14px;line-height:1.8}
.side-cta .btn{width:100%}

.flow{display:flex;flex-direction:column;gap:44px;min-width:0}
.flow-block{min-width:0}
.flow-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.sec-title{font-size:clamp(22px,2.4vw,29px);font-weight:800;line-height:1.4;color:var(--t1);letter-spacing:.005em}
.sec-title .bar{display:inline-block;width:4px;height:20px;border-radius:3px;background:var(--teal);margin-right:12px;vertical-align:-2px}
.sec-desc{margin-top:10px;color:var(--t2);font-size:15.5px;max-width:660px;line-height:1.9}
.text-link{color:var(--teal-dark);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{text-decoration:underline}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--teal-soft);color:var(--teal-dark);white-space:nowrap;
}
.badge-hot{background:rgba(255,106,43,.13);color:var(--orange-dark)}
.badge-sand{background:rgba(255,210,122,.26);color:#8A6208}

/* ---------- Feature card ---------- */
.feature-card{
  display:grid;grid-template-columns:1.02fr 1fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.feature-media{position:relative;min-height:300px;background:var(--ink-800);overflow:hidden}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,13,18,.15),rgba(10,13,18,0))}
.feature-body{padding:30px 30px 28px;display:flex;flex-direction:column;gap:14px}
.feature-title{font-size:24px;font-weight:800;line-height:1.45;color:var(--t1)}
.feature-title a:hover{color:var(--teal-dark)}
.feature-text{font-size:15px;color:var(--t2);line-height:1.9}
.feature-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--t3);margin-top:auto}

/* ---------- Cards ---------- */
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#D6EAE5}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:700;line-height:1.55;color:var(--t1)}
.card-title a:hover{color:var(--teal-dark)}
.card-text{
  font-size:14.5px;color:var(--t2);line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--t3);margin-top:auto}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:#C4CBD4}

/* ---------- Row list ---------- */
.rows{display:flex;flex-direction:column;gap:18px}
.row-item{
  display:grid;grid-template-columns:222px minmax(0,1fr);gap:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.row-item:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#D6EAE5}
.row-media{aspect-ratio:4/3;height:100%;overflow:hidden;background:var(--ink-800)}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.row-item:hover .row-media img{transform:scale(1.04)}
.row-body{padding:20px 22px 20px 0;display:flex;flex-direction:column;gap:10px}
.row-title{font-size:18px;font-weight:700;line-height:1.55;color:var(--t1)}
.row-title a:hover{color:var(--teal-dark)}
.row-text{font-size:14.5px;color:var(--t2);line-height:1.85}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--t3);margin-top:auto}

.load-more{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:26px}
.load-more span{font-size:13px;color:var(--t3)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#D6EAE5}
.step .idx{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;margin-bottom:14px;
  font-family:"Inter",system-ui,sans-serif;font-size:14px;font-weight:700;color:var(--teal-dark);background:var(--teal-soft);
}
.step h3{font-size:17px;font-weight:700;color:var(--t1);margin-bottom:8px}
.step p{font-size:14.5px;color:var(--t2);line-height:1.85}
.step::after{
  content:"";position:absolute;top:40px;right:-11px;width:22px;height:1px;
  background:repeating-linear-gradient(90deg,rgba(23,195,166,.55) 0 4px,transparent 4px 8px);
}
.step:last-child::after{display:none}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh1)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media .cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:12.5px;color:#DCE3EA;
  background:linear-gradient(0deg,rgba(10,13,18,.86),rgba(10,13,18,0));
}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.check-list li{display:flex;gap:11px;font-size:15.5px;color:var(--t2);line-height:1.85}
.check-list i{color:var(--teal);font-size:14px;margin-top:7px;flex:0 0 auto}
.note-box{
  margin-top:22px;padding:18px 20px;border-radius:14px;background:var(--teal-soft);
  border-left:3px solid var(--teal);font-size:14.5px;color:#235B51;line-height:1.9;
}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(23,195,166,.5);box-shadow:0 10px 26px rgba(23,195,166,.09)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:17px;font-weight:600;color:var(--t1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:"Inter",system-ui,sans-serif;font-size:22px;line-height:1;color:var(--teal);
  transition:transform .2s var(--ease);flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:focus-visible{outline:2px solid var(--teal);outline-offset:-2px;border-radius:14px}
.faq-body{padding:0 22px 20px;font-size:15.5px;color:var(--t2);line-height:1.95;background:linear-gradient(180deg,#fff,#FBFDFC)}

/* ---------- Banner CTA ---------- */
.banner{
  position:relative;overflow:hidden;border-radius:20px;padding:38px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(120deg,#0A0D12 0%,#122029 62%,#0E1A22 100%);
  border:1px solid rgba(23,195,166,.35);
  box-shadow:0 0 0 1px rgba(23,195,166,.18),0 18px 40px rgba(10,13,18,.18);
}
.banner::after{
  content:"";position:absolute;right:-40px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,166,.22),transparent 68%);
}
.banner-txt{position:relative;z-index:2;max-width:640px}
.banner-txt h3{font-size:24px;font-weight:800;color:#fff;line-height:1.4}
.banner-txt p{margin-top:10px;font-size:15px;color:var(--inv2);line-height:1.9}
.banner-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Contact ---------- */
.contact{background:var(--ink-900);color:var(--inv1);padding:76px 0;position:relative;overflow:hidden}
.contact::before{
  content:"";position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:radial-gradient(1.5px 1.5px at 12% 30%,rgba(23,195,166,.8) 50%,transparent 51%),
                   radial-gradient(1.3px 1.3px at 78% 22%,rgba(255,210,122,.75) 50%,transparent 51%),
                   radial-gradient(1.3px 1.3px at 58% 78%,rgba(255,255,255,.5) 50%,transparent 51%);
}
.contact .container{position:relative;z-index:2}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.contact h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;line-height:1.4}
.contact .lead{margin-top:16px;font-size:15.5px;color:var(--inv2);line-height:1.95}
.contact-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;gap:12px;font-size:15px;color:#CBD4DD;line-height:1.8}
.contact-list i{color:var(--teal);margin-top:6px}
.form-card{
  background:rgba(255,255,255,.04);border:1px solid #232A33;border-radius:18px;padding:28px 26px;
}
.form-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--inv2);margin-bottom:20px}
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.form-row label{font-size:13px;color:var(--inv2)}
.form-row input,.form-row textarea{
  width:100%;height:48px;border-radius:10px;border:1px solid #2A323D;background:rgba(255,255,255,.04);
  color:#fff;padding:0 14px;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.form-row textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.8}
.form-row input::placeholder,.form-row textarea::placeholder{color:#6C7683}
.form-row input:focus,.form-row textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(23,195,166,.18);background:rgba(23,195,166,.06)}
.form-row.invalid input,.form-row.invalid textarea{border-color:var(--orange)}
.form-row .err{font-size:12.5px;color:var(--orange);display:none}
.form-row.invalid .err{display:block}
.form-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.form-note{margin-top:14px;font-size:12.5px;color:#7D8794;line-height:1.8}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:var(--inv2);padding:66px 0 30px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-grid h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-grid p{font-size:14.5px;color:var(--inv2);line-height:1.9}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:14.5px}
.footer-links a{color:var(--inv2);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--teal)}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#7D8794;
}

/* ---------- Dock ---------- */
.dock{
  position:fixed;left:50%;bottom:16px;z-index:70;width:min(720px,calc(100% - 32px));
  display:flex;align-items:center;gap:16px;padding:10px 12px 10px 22px;border-radius:var(--r-pill);
  background:rgba(10,13,18,.96);border:1px solid rgba(23,195,166,.35);
  box-shadow:0 16px 40px rgba(0,0,0,.35);
  transform:translateX(-50%) translateY(150%);
  transition:transform .2s ease-out;
}
.dock.show{transform:translateX(-50%) translateY(0)}
.dock p{margin:0;flex:1;font-size:14.5px;color:var(--inv1)}
.dock p strong{color:var(--teal)}
.dock-actions{display:flex;align-items:center;gap:10px}
.dock-actions .btn{height:40px;padding:0 16px;font-size:14px}
.dock-actions .btn-quiet{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 14px;border-radius:10px;
  font-size:14px;color:var(--inv2);border:1px solid #2A323D;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.dock-actions .btn-quiet:hover{color:#fff;border-color:var(--teal)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,8,12,.62);z-index:85;
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease);
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:90;
  background:var(--ink-800);border-left:1px solid var(--line-dark);
  padding:22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  transform:translateX(100%);transition:transform .24s ease-out;
}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer .d-link{
  display:flex;align-items:center;justify-content:space-between;padding:13px 12px;border-radius:10px;
  font-size:15px;color:var(--inv2);border:1px solid transparent;
}
.drawer .d-link:hover{background:rgba(255,255,255,.06);color:#fff;border-color:#2A323D}
.drawer .d-link.active{color:#fff;font-weight:600;background:rgba(23,195,166,.12);border-color:rgba(23,195,166,.35)}
.drawer hr{border:0;border-top:1px solid var(--line-dark);margin:14px 0}
.drawer .d-info{font-size:13.5px;color:var(--inv2);line-height:1.9}
.drawer .d-info a{color:var(--teal)}
.drawer .btn{width:100%;margin-top:6px}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .layout{grid-template-columns:230px minmax(0,1fr);gap:30px}
  .cmd-search{width:230px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .menu-btn{display:grid}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:44px 0 68px}
  .side-nav{position:static;box-shadow:var(--sh1)}
  .side-links-wrap{display:flex;flex-wrap:wrap;gap:8px}
  .side-nav .side-title,.side-divider{display:none}
  .side-link{border-left:0;border:1px solid var(--line);padding:8px 13px;font-size:14px}
  .side-link.active{border-color:rgba(23,195,166,.5)}
  .side-cta{display:none}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step::after{display:none}
  .split{grid-template-columns:minmax(0,1fr);gap:28px}
  .contact-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .feature-card{grid-template-columns:minmax(0,1fr)}
  .feature-media{min-height:230px}
  .cmd-search{width:190px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .cmd-search{display:none}
  .search-mobile{display:grid}
  .icon-btn:not(.search-mobile){display:none}
  .page-hero{padding:36px 0 48px}
  .hero-sub{font-size:16px}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:26px 0}
  .metric .num{font-size:26px}
  .card-grid-2{grid-template-columns:minmax(0,1fr)}
  .row-item{grid-template-columns:minmax(0,1fr)}
  .row-media{aspect-ratio:16/9}
  .row-body{padding:0 20px 20px}
  .steps{grid-template-columns:minmax(0,1fr)}
  .banner{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .banner-actions{width:100%}
  .banner-actions .btn{flex:1 1 auto}
  .contact{padding:56px 0 104px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .site-footer{padding:52px 0 104px}
  .dock{
    left:0;right:0;bottom:0;width:100%;transform:translateY(150%);
    border-radius:0;border-left:0;border-right:0;border-bottom:0;padding:10px 14px;
  }
  .dock.show{transform:translateY(0)}
  .dock p{display:none}
  .dock-actions{width:100%}
  .dock-actions .btn,.dock-actions .btn-quiet{flex:1 1 0}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-body{padding:0 18px 18px;font-size:15px}
}
@media (max-width:520px){
  .hero-title{font-size:30px}
  .sec-title{font-size:22px}
  .metrics-grid{grid-template-columns:minmax(0,1fr)}
  .hero-actions .btn{width:100%}
}