*{box-sizing:border-box}
:root{
  --bg:#08111f;
  --bg2:#0d1a2b;
  --panel:#10243a;
  --panel2:#132c46;
  --line:rgba(158,221,255,.14);
  --text:#edf6ff;
  --muted:#9fb3c8;
  --mint:#51e5c2;
  --cyan:#61d8ff;
  --amber:#ffb45a;
  --shadow:0 22px 56px rgba(0,0,0,.28);
}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:linear-gradient(180deg,#07101c 0%,#0a1422 45%,#08111f 100%);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden;line-height:1.78}
body.panel-open{overflow:hidden}
a{color:var(--cyan);text-underline-offset:3px}
img{max-width:100%}
button{font:inherit}
.topbar{position:sticky;top:0;z-index:9000;background:rgba(8,17,31,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-inner{width:min(1180px,calc(100% - 32px));height:72px;margin:auto;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}
.brand img{display:block;height:42px;width:auto;max-width:160px;object-fit:contain}
.brand strong{color:#fff;font-size:20px}
.desktop-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.desktop-nav a{color:#dce8f4;text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:700;white-space:nowrap}
.desktop-nav a:hover,.desktop-nav a.active{background:#11263a;color:var(--mint)}
.account-cta{display:inline-flex;align-items:center;justify-content:center;min-width:88px;height:40px;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,var(--mint),var(--cyan));color:#06201d;text-decoration:none;font-weight:900;box-shadow:0 10px 28px rgba(81,229,194,.16)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#10243a;padding:10px}
.nav-toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px}
.topic-strip{background:#0d1a2b}
.topic-strip-inner{width:min(1180px,calc(100% - 32px));margin:auto;display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin}
.topic-strip-inner a{color:#9fb3c8;text-decoration:none;white-space:nowrap;padding:10px 11px;font-size:14px;font-weight:700}
.topic-strip-inner a:hover,.topic-strip-inner a.active{color:var(--amber)}
.page-shell{min-height:60vh}
.wrap{width:min(1180px,calc(100% - 32px));margin:auto}
.reader{width:min(830px,calc(100% - 32px));margin:auto}
.hero{padding:58px 0 36px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--mint);font-weight:900;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--mint)}
h1,h2,h3{line-height:1.28}
h1{font-size:clamp(32px,5vw,54px);margin:0 0 18px;color:#fff;letter-spacing:-.02em}
h2{color:#dffcff;font-size:clamp(23px,3vw,31px);margin:0 0 14px}
h3{margin:0 0 8px;color:#fff}
.hero p{font-size:18px;color:#b7c8d8;max-width:760px}
.kicker{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.kicker span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#0c1a2b;color:#c6d6e5;font-size:14px}
.media,.media-wide,.media-tall,.media-banner{position:relative;overflow:hidden;background:#0d1a2b;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.media{aspect-ratio:16/9}
.media-wide{height:260px}
.media-tall{height:360px}
.media-banner{height:250px}
.media img,.media-wide img,.media-tall img,.media-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center}
.image-fallback{position:absolute;inset:0;background:linear-gradient(135deg,#0d1a2b,#11263b)}
.section{padding:54px 0}
.section-small{padding:34px 0}
.breadcrumb{padding-top:24px;color:#6f8aa2;font-size:14px}
.breadcrumb a{color:#9fb3c8}
.panel-card{background:linear-gradient(180deg,#10243a 0%,#0d1e31 100%);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
.panel-card p{color:#afc2d3}
.bento{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:auto auto;gap:18px}
.bento .large{grid-row:span 2}
.bento a{font-weight:800}
.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.route-item{position:relative;padding:22px;background:#0d1e31;border:1px solid var(--line);border-radius:18px}
.route-item b{display:block;color:var(--amber);font-size:12px;letter-spacing:.08em;margin-bottom:10px}
.route-item p{margin:0;color:#afc2d3}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.split.center{align-items:center}
.split.reverse> :first-child{order:2}
.split.reverse> :last-child{order:1}
.content{font-size:17px}
.content p{color:#e3edf6;margin:0 0 1.1em}
.content ul{padding-left:1.2em;color:#dce9f4}
.content li{margin:.5em 0}
.note{background:#0e2338;border-left:4px solid var(--amber);padding:18px 20px;border-radius:0 14px 14px 0;color:#c7d8e7}
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.link-cards a{display:block;text-decoration:none;background:#10243a;border:1px solid var(--line);padding:18px;border-radius:16px;color:#dffcff;font-weight:800}
.link-cards a:hover{transform:translateY(-2px);border-color:rgba(81,229,194,.42)}
.table-like{display:grid;gap:12px}
.table-row{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:16px 18px;background:#0d1e31;border:1px solid var(--line);border-radius:14px}
.table-row b{color:var(--mint)}
.flow{display:grid;gap:14px}
.flow-step{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;padding:18px;border-radius:18px;background:#0d1e31;border:1px solid var(--line)}
.flow-step span{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--amber),#ffcf88);color:#422000;font-weight:900}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-stack{display:grid;gap:14px}
.faq{padding:20px;background:#10243a;border:1px solid var(--line);border-radius:18px}
.faq h2{font-size:20px}
.mobile-mask,.mobile-panel{display:none}
.mobile-tabs{display:none}
.footer{margin-top:52px;background:#06101b;border-top:1px solid var(--line)}
.footer-inner{width:min(1180px,calc(100% - 32px));margin:auto;padding:44px 0 30px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.footer h2{font-size:17px;color:#fff}
.footer a{display:block;color:#9fb3c8;text-decoration:none;margin:7px 0}
.footer a:hover{color:var(--mint)}
.footer-brand p{color:#8098ad;max-width:360px}
.footer-note{width:min(1180px,calc(100% - 32px));margin:auto;padding:20px 0 26px;border-top:1px solid var(--line);display:flex;gap:16px;flex-wrap:wrap;color:#6f8aa2;font-size:13px}

@media(max-width:980px){
  .topbar-inner{height:64px;gap:12px}
  .desktop-nav,.topic-strip{display:none}
  .nav-toggle{display:block;flex:0 0 auto}
  .brand{flex:1;justify-content:center}
  .brand img{height:36px;max-width:135px}
  .account-cta{height:38px;min-width:70px;padding:0 12px}
  .hero{padding-top:40px}
  .hero-grid,.split,.split.reverse{grid-template-columns:1fr}
  .split.reverse> :first-child,.split.reverse> :last-child{order:initial}
  .bento{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .bento .large{grid-row:auto;grid-column:1/-1}
  .route-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .mobile-panel{
    display:block;position:fixed;inset:0 auto 0 0;width:min(86vw,340px);background:#0b1828;z-index:12000;
    transform:translateX(-105%);transition:.22s ease;overflow-y:auto;box-shadow:24px 0 50px rgba(0,0,0,.35)
  }
  .mobile-panel.open{transform:translateX(0)}
  .mobile-mask{
    display:none;position:fixed;inset:0;background:rgba(1,8,15,.62);z-index:11000;opacity:0;pointer-events:none
  }
  .mobile-mask.show{display:block;opacity:1;pointer-events:auto}
  .mobile-panel-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--line)}
  .mobile-panel-head .brand{justify-content:flex-start}
  .panel-close{border:1px solid var(--line);background:#10243a;color:#fff;border-radius:10px;padding:8px 10px}
  .panel-section{padding:16px;border-bottom:1px solid var(--line)}
  .panel-section b{display:block;color:var(--amber);margin-bottom:8px}
  .panel-section a{display:block;color:#dce8f4;text-decoration:none;padding:8px 0}
  .mobile-tabs{display:grid;position:fixed;z-index:9500;left:0;right:0;bottom:0;grid-template-columns:repeat(4,1fr);background:#07111e;border-top:1px solid var(--line)}
  .mobile-tabs a{text-align:center;color:#dce8f4;text-decoration:none;padding:11px 4px calc(11px + env(safe-area-inset-bottom));font-size:14px;font-weight:800}
  body{padding-bottom:56px}
}
@media(max-width:680px){
  .wrap,.reader{width:min(100% - 26px,1180px)}
  .hero-grid{gap:22px}
  .hero p{font-size:16px}
  .section{padding:38px 0}
  .section-small{padding:26px 0}
  .media-banner{height:160px}
  .media-wide{height:220px}
  .media-tall{height:260px}
  .bento,.route-grid,.link-cards,.feature-list{grid-template-columns:1fr}
  .bento .large{grid-column:auto}
  .table-row{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .content{font-size:16px}
}
@media(max-width:380px){
  .topbar-inner{width:calc(100% - 20px)}
  .brand img{max-width:112px;height:32px}
  .account-cta{font-size:13px;padding:0 10px}
}