*{box-sizing:border-box}
:root{
  --bg:#08111f;--bg2:#0f1b2d;--panel:#122238;--panel2:#172b45;--line:rgba(148,163,184,.18);
  --text:#f8fafc;--muted:#b7c3d4;--soft:#8fa4bc;--mint:#5eead4;--violet:#a78bfa;--amber:#fbbf24;
  --shadow:0 18px 50px rgba(0,0,0,.26)
}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:linear-gradient(180deg,#08111f 0%,#0b1526 38%,#08111f 100%);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
body.nav-open{overflow:hidden}
a{color:var(--mint);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
button{font:inherit}
.wrap{width:min(1180px,calc(100% - 36px));margin:0 auto}
.top-note{background:#06101d;border-bottom:1px solid var(--line);font-size:13px;color:var(--soft)}
.top-note-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.top-note a{color:#d7e3f4}
.site-header{position:sticky;top:0;z-index:9000;background:rgba(8,17,31,.92);backdrop-filter:blur(16px);box-shadow:0 10px 30px rgba(0,0,0,.2)}
.header-row{min-height:74px;display:flex;align-items:center;gap:22px}
.brand{display:inline-flex;align-items:center;min-width:156px}
.brand img{display:block;width:auto;height:42px;max-width:165px;object-fit:contain}
.brand strong{color:#fff;font-size:22px;letter-spacing:.06em}
.main-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}
.main-nav a{position:relative;padding:9px 11px;color:#dce7f6;font-weight:700;white-space:nowrap;text-decoration:none}
.main-nav a:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:transparent;border-radius:4px}
.main-nav a:hover,.main-nav a.active{color:#fff}
.main-nav a:hover:after,.main-nav a.active:after{background:linear-gradient(90deg,var(--mint),var(--violet))}
.primary-action{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:86px;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,#0f766e,#7c3aed);color:#fff;font-weight:800;box-shadow:0 12px 26px rgba(15,118,110,.24);text-decoration:none}
.primary-action:hover{text-decoration:none;filter:brightness(1.07)}
.topic-rail{border-top:1px solid var(--line);background:#0d192a}
.topic-rail-inner{display:flex;overflow-x:auto;scrollbar-width:thin}
.topic-rail a{flex:0 0 auto;padding:9px 13px;color:#9fb2c9;font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap}
.topic-rail a:hover,.topic-rail a.active{color:var(--mint)}
.menu-button{display:none;width:42px;height:42px;padding:9px;border-radius:12px;border:1px solid var(--line);background:var(--panel);cursor:pointer}
.menu-button span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px}
.mobile-nav,.mobile-overlay{display:none}
main{min-height:68vh}
.breadcrumb{padding-top:22px;color:var(--soft);font-size:14px}
.breadcrumb a{color:#cad8ea}
.hero{padding:58px 0 38px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:34px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:13px}
.eyebrow:before{content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--mint),var(--violet))}
h1{font-size:clamp(34px,5vw,56px);line-height:1.12;margin:0 0 18px;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin:0 0 16px}
h3{line-height:1.35}
.lead{font-size:18px;color:#c7d4e5;max-width:760px;margin:0 0 24px}
.hero-links,.chips{display:flex;gap:10px;flex-wrap:wrap}
.hero-links a,.chip{display:inline-flex;align-items:center;min-height:38px;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:rgba(18,34,56,.72);color:#e8f1fb;font-weight:700}
.hero-links a:first-child{border-color:rgba(94,234,212,.45);color:var(--mint)}
.section{padding:48px 0}
.section-tight{padding:28px 0}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:22px}
.section-head p{max-width:650px;margin:0;color:var(--muted)}
.media-box{position:relative;width:100%;overflow:hidden;border-radius:18px;background:linear-gradient(145deg,#10223a,#172b45);border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/9}
.media-box img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}
.media-placeholder{position:absolute;inset:0;background:radial-gradient(circle at 30% 25%,rgba(94,234,212,.12),transparent 30%),radial-gradient(circle at 75% 70%,rgba(167,139,250,.15),transparent 34%),#122238}
.media-box.hero-media{min-height:310px}
.media-box.small-media{height:180px;aspect-ratio:auto}
.media-box.article-media{height:260px;aspect-ratio:auto}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.stat-item{padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(18,34,56,.7)}
.stat-item strong{display:block;font-size:20px;color:#fff}
.stat-item span{display:block;color:var(--soft);font-size:14px;margin-top:4px}
.feature-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.feature-main,.card,.article-box,.route-card,.service-card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(18,34,56,.95),rgba(15,27,45,.96));border-radius:18px;box-shadow:var(--shadow)}
.feature-main{padding:24px}
.feature-main .media-box{margin-bottom:18px}
.side-stack{display:grid;gap:20px}
.card{padding:20px}
.card h3{margin:0 0 8px;font-size:20px}
.card p{margin:0 0 12px;color:var(--muted)}
.topic-mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.topic-tile{grid-column:span 4;min-height:220px;padding:22px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(145deg,#122238,#172b45);display:flex;flex-direction:column;justify-content:space-between}
.topic-tile.wide{grid-column:span 6}
.topic-tile h3{font-size:24px;margin:0 0 8px}
.topic-tile p{color:var(--muted);margin:0}
.topic-tile a{font-weight:800;margin-top:18px}
.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.route-card{padding:22px;position:relative;overflow:hidden}
.route-no{font-size:44px;line-height:1;color:rgba(94,234,212,.2);font-weight:900;margin-bottom:12px}
.route-card h3{margin:0 0 8px}
.route-card p{margin:0;color:var(--muted)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery-card{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.gallery-card .media-box{border:0;border-radius:0;box-shadow:none}
.gallery-copy{padding:18px}
.gallery-copy h3{margin:0 0 6px}
.gallery-copy p{margin:0 0 10px;color:var(--muted)}
.notice{padding:20px 22px;border-radius:16px;border:1px solid rgba(251,191,36,.22);background:rgba(251,191,36,.07);color:#e7edf6}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.service-card{padding:19px}
.service-card strong{display:block;color:#fff;font-size:17px;margin-bottom:5px}
.service-card span{color:var(--muted);font-size:14px}
.inner-hero{padding:48px 0 24px}
.inner-hero h1{font-size:clamp(32px,4.5vw,50px)}
.inner-hero .lead{max-width:820px}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.78fr);gap:24px;align-items:start}
.two-col.reverse{grid-template-columns:minmax(320px,.78fr) minmax(0,1fr)}
.article-box{padding:28px}
.article-box h2{margin-top:30px}
.article-box h2:first-child{margin-top:0}
.article-box p{color:#d6e0ec}
.article-box ul,.article-box ol{padding-left:1.2em;color:#d6e0ec}
.article-box li{margin:8px 0}
.pullquote{padding:22px 24px;margin:24px 0;border-left:3px solid var(--mint);background:rgba(94,234,212,.06);border-radius:0 14px 14px 0;color:#d9fdf6}
.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.index-item{padding:20px;border-radius:16px;border:1px solid var(--line);background:var(--panel)}
.index-item strong{display:block;color:#fff;font-size:18px;margin-bottom:5px}
.index-item p{margin:0;color:var(--muted)}
.step-list{display:grid;gap:13px;counter-reset:steps}
.step-item{position:relative;padding:20px 20px 20px 68px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
.step-item:before{counter-increment:steps;content:counter(steps);position:absolute;left:20px;top:20px;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,#0f766e,#7c3aed);display:grid;place-items:center;color:#fff;font-weight:900}
.faq-list{display:grid;gap:14px}
.faq-item{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
.faq-item h2{font-size:21px;margin-bottom:9px}
.related{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.related a{display:inline-flex;padding:8px 12px;border-radius:10px;background:var(--panel2);color:#dbeafe}
.site-footer{margin-top:56px;background:#050b14;border-top:1px solid var(--line)}
.footer-layout{padding:44px 0 34px;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:34px}
.footer-intro p{color:var(--soft);max-width:320px}
.footer-layout section{display:grid;align-content:start;gap:8px}
.footer-layout h2{font-size:16px;margin:0 0 8px;color:#fff}
.footer-layout a{color:#aebfd2}
.footer-brand{margin-bottom:10px}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0 24px;display:flex;justify-content:space-between;gap:20px;color:#7f93aa;font-size:13px}
.footer-bottom p{margin:0}
.mobile-dock{display:none}

@media(max-width:1020px){
  .main-nav,.topic-rail{display:none}
  .menu-button{display:block}
  .header-row{display:grid;grid-template-columns:44px 1fr auto;gap:12px;min-height:66px}
  .brand{justify-self:center;min-width:0}
  .brand img{height:36px;max-width:145px}
  .primary-action{min-width:76px;height:40px;padding:0 14px}
  .mobile-nav{display:block;position:fixed;left:0;top:0;bottom:0;width:min(84vw,330px);z-index:12000;background:#0d192a;transform:translateX(-105%);transition:transform .2s ease;box-shadow:20px 0 50px rgba(0,0,0,.35)}
  .mobile-nav.open{transform:translateX(0)}
  .mobile-overlay{display:none;position:fixed;inset:0;z-index:11000;background:rgba(2,6,23,.62);opacity:0;pointer-events:none}
  .mobile-overlay.show{display:block;opacity:1;pointer-events:auto}
  .mobile-nav-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
  .mobile-nav-head .brand{justify-self:auto}
  .mobile-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:#fff;font-size:26px}
  .mobile-nav-body{height:calc(100vh - 70px);overflow-y:auto;padding:14px 18px 30px}
  .mobile-nav-body h2{font-size:13px;color:var(--mint);margin:16px 0 7px;text-transform:uppercase;letter-spacing:.08em}
  .mobile-nav-body a{display:block;padding:8px 0;color:#e2e8f0}
  .hero-grid,.feature-layout,.two-col,.two-col.reverse{grid-template-columns:1fr}
  .hero-grid{gap:24px}
  .topic-mosaic .topic-tile,.topic-mosaic .topic-tile.wide{grid-column:span 6}
  .route-grid{grid-template-columns:repeat(2,1fr)}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .footer-layout{grid-template-columns:repeat(2,1fr)}
  .mobile-dock{position:fixed;left:0;right:0;bottom:0;z-index:9500;height:58px;background:#07111f;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}
  .mobile-dock a{display:flex;align-items:center;justify-content:center;color:#d7e3f4;font-weight:800;font-size:14px}
  body{padding-bottom:58px}
}
@media(max-width:700px){
  .wrap{width:min(100% - 24px,1180px)}
  .top-note-inner{justify-content:center}
  .top-note-inner a{display:none}
  .hero{padding:36px 0 26px}
  h1{font-size:34px}
  .lead{font-size:16px}
  .media-box.hero-media{min-height:210px}
  .stat-strip,.gallery-grid,.index-grid{grid-template-columns:1fr}
  .topic-mosaic{grid-template-columns:1fr}
  .topic-mosaic .topic-tile,.topic-mosaic .topic-tile.wide{grid-column:auto;min-height:185px}
  .route-grid{grid-template-columns:1fr}
  .service-grid{grid-template-columns:1fr 1fr}
  .footer-layout{grid-template-columns:1fr}
  .footer-bottom{display:block}
  .footer-bottom p+ p{margin-top:8px}
  .article-box{padding:21px}
  .media-box.article-media{height:215px}
}
@media(max-width:390px){
  .header-row{grid-template-columns:42px 1fr auto}
  .brand img{height:32px;max-width:120px}
  .primary-action{min-width:68px;padding:0 12px;font-size:14px}
  .service-grid{grid-template-columns:1fr}
}