:root{--bg:#07111A;--deep:#050B12;--panel:#0D1B2A;--panel2:#102538;--card:#132B3E;--text:#D7E2EA;--muted:#9CB0C0;--soft:#748A9D;--white:#F4F8FC;--blue:#2F80ED;--blue2:#56A8F5;--blue3:#174A7E;--cyan:#2A9DAD;--line:rgba(86,168,245,.20);--cardline:rgba(86,168,245,.16);--shadow:0 14px 36px rgba(0,0,0,.26)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(1080px,calc(100% - 32px));margin:auto}.topbar{position:fixed;z-index:60;top:0;left:0;right:0;height:18px;background:var(--deep);color:#C9D8E3;font-size:12px}.topbar-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.text-btn{border:0;background:transparent;color:#C9D8E3;padding:0;cursor:pointer}.brandbar{position:fixed;z-index:60;top:18px;left:0;right:0;height:54px;background:var(--panel);border-bottom:1px solid var(--line)}.brandbar-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;min-height:44px}.brand img,.menu-brand img,.footer-brand img{height:24px;width:auto;max-width:160px;object-fit:contain;object-position:center}.brand-actions{display:flex;gap:8px;align-items:center}.app-link,.menu-btn,.menu-head button,.search-head button{min-height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--white);cursor:pointer}.app-link{display:flex;align-items:center}.quicknav{position:fixed;z-index:55;top:72px;left:0;right:0;background:rgba(7,17,26,.96);border-bottom:1px solid var(--cardline)}.quicknav-inner{height:46px;display:flex;gap:8px;align-items:center}.quicknav a{padding:8px 14px;border-radius:10px;color:var(--muted);font-size:14px}.quicknav a.current{background:var(--blue);color:white;box-shadow:0 6px 16px rgba(47,128,237,.24)}#mainContent{padding-top:142px;min-height:70vh}.hero,.page-hero{padding:34px 0}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.eyebrow{display:inline-flex;padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:var(--blue2);font-size:13px}h1{font-size:24px;line-height:1.3;color:var(--white);margin:14px 0}h2{font-size:20px;line-height:1.4;color:var(--white)}h3{font-size:16px;color:var(--white)}p{margin:0 0 14px}.lead{font-size:16px;color:#C9D8E3;max-width:760px}.hero-card,.visual,.card,.faq-item,.content-panel,.aside-panel,.step,.notice,.route-card{background:var(--panel);border:1px solid var(--cardline);border-radius:14px;box-shadow:var(--shadow)}.hero-card,.content-panel,.aside-panel,.card,.faq-item,.step,.notice,.route-card{padding:22px}.visual{display:flex;align-items:center;justify-content:center;min-height:220px;overflow:hidden;background:linear-gradient(145deg,var(--panel2),var(--deep))}.visual img{width:100%;height:100%;max-height:320px;object-fit:contain;object-position:center}.hero-actions,.inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:11px;border:1px solid var(--line);font-size:14px}.btn-primary{background:linear-gradient(135deg,#56A8F5 0%,#2F80ED 52%,#174A7E 100%);color:#fff;box-shadow:0 6px 16px rgba(47,128,237,.24)}.btn-secondary{background:var(--panel2);color:var(--text)}.btn:hover,.quicknav a:hover,.app-link:hover,.menu-btn:hover{filter:brightness(1.08);box-shadow:0 0 0 3px rgba(86,168,245,.30),0 10px 24px rgba(47,128,237,.30)}.btn:active{filter:brightness(1.12);box-shadow:0 0 0 4px rgba(86,168,245,.35),0 0 22px rgba(47,128,237,.48)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #56A8F5;outline-offset:2px}.section{padding:28px 0}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:16px}.section-head p{max-width:620px;color:var(--muted)}.feature-row{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:stretch}.feature-row.reverse{grid-template-columns:1.1fr .9fr}.feature-row.reverse .visual{order:2}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card p,.faq-item p,.aside-panel p,.notice p{color:var(--muted)}.card a.more,.route-card a{color:var(--blue2);font-weight:bold}.two-col{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,.7fr);gap:22px;align-items:start}.longread{max-width:820px}.longread h2{margin-top:28px}.longread ul{padding-left:20px}.aside-panel{position:sticky;top:136px}.aside-panel a{display:block;padding:10px 0;border-bottom:1px solid var(--cardline);color:var(--blue2)}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.steps{display:grid;gap:14px}.step b{display:block;color:var(--blue2);margin-bottom:6px}.faq-list{display:grid;gap:14px}.faq-item h2{margin-top:0}.route-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.route-card span{display:block;color:var(--muted);margin-top:4px}.banner-slot{height:200px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:var(--panel);border:1px solid var(--cardline);overflow:hidden}.banner-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.overlay{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.56);visibility:hidden;opacity:0;pointer-events:none;transition:180ms}.overlay.open{visibility:visible;opacity:1;pointer-events:auto}.menu-panel{position:fixed;z-index:80;top:80px;right:max(16px,calc((100vw - 1080px)/2));width:min(440px,calc(100% - 32px));max-height:68vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px);transition:180ms}.menu-panel.open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.menu-head,.search-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.menu-brand{display:flex;gap:10px;align-items:center}.menu-brand span{display:grid}.menu-brand small{color:var(--soft)}.menu-group{margin-top:16px}.menu-group h2{font-size:14px;color:var(--blue2);margin:0 0 6px}.menu-group a{display:block;padding:10px 8px;border-radius:8px}.menu-group a:hover{background:var(--panel2)}.menu-group a b,.menu-group a span{display:block}.menu-group a span{font-size:13px;color:var(--muted)}.search-panel{position:fixed;z-index:85;top:80px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:180ms}.search-panel.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.search-card label{display:block;color:var(--muted);margin:12px 0 8px}.search-card input{width:100%;min-height:46px;border-radius:10px;border:1px solid var(--line);background:var(--deep);color:var(--white);padding:0 12px}.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.search-results a{padding:10px;border-radius:8px;background:var(--panel2);color:var(--white)}.footer{margin-top:44px;background:#040A10;border-top:1px solid var(--line);color:#C9D8E3;padding:30px 0 78px;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:26px}.footer h2{font-size:14px}.footer a{display:block;padding:4px 0;color:#C9D8E3}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.footer-note{margin-top:22px;padding-top:18px;border-top:1px solid var(--cardline);color:var(--muted)}.mobilebar{display:none} @media(max-width:760px){.quicknav{display:none}#mainContent{padding-top:94px}.hero-grid,.feature-row,.feature-row.reverse,.two-col,.topic-grid,.cards,.route-grid{grid-template-columns:1fr}.feature-row.reverse .visual{order:0}.hero,.page-hero{padding:24px 0}.section{padding:20px 0}.section-head{align-items:flex-start;flex-direction:column}.aside-panel{position:static}.search-panel{top:0;bottom:0;background:var(--deep);padding-top:42px}.search-card{max-height:calc(100vh - 60px);overflow:auto}.search-results{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer{padding-bottom:96px}.mobilebar{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:65;left:0;right:0;bottom:0;min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:var(--panel);border-top:1px solid var(--line)}.mobilebar a{min-height:50px;display:flex;align-items:center;justify-content:center;color:var(--muted)}.mobilebar a.current{background:linear-gradient(135deg,#174A7E,#2F80ED);color:#fff;box-shadow:0 6px 16px rgba(47,128,237,.24)}.menu-panel{top:80px;right:16px;max-height:calc(100vh - 100px)}.visual{min-height:180px}.banner-slot{height:180px}}@media(max-width:420px){.wrap{width:min(100% - 32px,1080px)}.footer-grid{grid-template-columns:1fr}.app-link,.menu-btn{padding:0 10px}.brand img{max-width:130px}}