:root{--navy:#071526;--navy2:#0c2138;--panel:#102b46;--line:#274a66;--blue:#3b8cff;--aqua:#20d6b5;--orange:#ff9a45;--white:#f7fbff;--muted:#a9bfd1;--soft:#eaf2f7;--ink:#122235;--shadow:0 18px 55px rgba(3,15,28,.24)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--white);background:var(--navy);line-height:1.75}
body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 16% 8%,rgba(59,140,255,.24),transparent 28%),radial-gradient(circle at 86% 18%,rgba(32,214,181,.16),transparent 23%),linear-gradient(180deg,#071526,#091a2e 45%,#061321)}
body:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.1;background-image:linear-gradient(rgba(255,255,255,.2) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.2) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(#000,transparent 92%)}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input,select{font:inherit}
.container{width:min(1200px,92vw);margin:auto}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;z-index:99;background:#fff;color:#000;padding:10px 14px;border-radius:8px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,21,38,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.1)}
.nav-shell{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;font-size:21px}.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;color:#061321;background:linear-gradient(135deg,var(--aqua),#7af6df);box-shadow:0 0 0 5px rgba(32,214,181,.1)}
.nav-links{display:flex;align-items:center;gap:5px}.nav-links a{padding:9px 13px;border-radius:12px;color:#cfe1ee;font-size:14px;font-weight:700}.nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.09);color:#fff}.nav-links .nav-cta{background:var(--aqua);color:#06201c}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--navy2);color:#fff;border-radius:12px;padding:8px 12px}
.hero{padding:64px 0 42px}.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center}.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:#9ff7e4;font-weight:850;font-size:13px;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before,.kicker:before{content:"";width:26px;height:3px;border-radius:99px;background:var(--aqua)}
h1{font-size:clamp(38px,6vw,68px);line-height:1.08;letter-spacing:-.045em;margin:18px 0 18px}h2{font-size:clamp(27px,3.8vw,42px);line-height:1.2;margin:8px 0 12px;letter-spacing:-.025em}h3{line-height:1.35;margin:0 0 10px}p{margin:0 0 14px}
.lead{color:#c7d8e5;font-size:18px;max-width:780px}.hero-actions,.link-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:23px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:14px;border:1px solid var(--line);font-weight:850;transition:.2s;background:#163653}.btn:hover{transform:translateY(-2px);border-color:#63dfca}.btn-primary{background:linear-gradient(135deg,var(--aqua),#69efcf);color:#06221d;border-color:transparent}.btn-orange{background:var(--orange);color:#281100;border-color:transparent}
.meta-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.meta-strip span{padding:8px 11px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.045);font-size:13px;color:#d0e0eb}
.hero-visual{position:relative}.hero-visual:before{content:"";position:absolute;inset:-8px;border-radius:30px;background:linear-gradient(135deg,rgba(59,140,255,.35),rgba(32,214,181,.16));filter:blur(22px)}.hero-visual img{position:relative;border-radius:28px;border:1px solid rgba(255,255,255,.13);box-shadow:var(--shadow)}
.section{padding:52px 0}.section-soft{background:var(--soft);color:var(--ink)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:25px}.section-head>p{max-width:620px;color:var(--muted)}.section-soft .section-head>p,.section-soft .muted{color:#5c6e80}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(22,54,83,.92),rgba(10,31,51,.92));border-radius:22px;padding:22px;box-shadow:0 14px 32px rgba(1,10,19,.16)}.section-soft .card{background:#fff;border-color:#cad9e4;box-shadow:0 12px 28px rgba(22,56,82,.08)}
.card p,.muted{color:var(--muted)}.card .tag,.tag{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(32,214,181,.12);color:#8bf4dd;border:1px solid rgba(32,214,181,.22);font-size:12px;font-weight:800;margin-bottom:12px}.section-soft .tag{color:#07584b;background:#d9f8f1;border-color:#a7e9db}
.media-card{margin:0;overflow:hidden;border-radius:22px;border:1px solid var(--line);background:#0d2943}.section-soft .media-card{background:#fff;border-color:#cad9e4}.media-card img{width:100%;aspect-ratio:720/460;object-fit:cover}.media-card figcaption{padding:18px}.media-card figcaption h3{margin-bottom:8px}.media-card figcaption p{color:var(--muted);font-size:14px}.section-soft .media-card figcaption p{color:#5c6e80}
.sports-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);overflow-x:auto;gap:14px;padding:2px 1px 12px;scroll-snap-type:x mandatory}.sports-rail .media-card{scroll-snap-align:start}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:step}.flow>div{position:relative;padding:20px 16px;border-top:3px solid var(--aqua);background:rgba(255,255,255,.055);border-radius:0 0 18px 18px}.flow>div:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--aqua);font-weight:900;margin-bottom:8px}
.breadcrumb{padding:18px 0 0;color:#a9bfd1;font-size:13px}.breadcrumb a{color:#8bf4dd}
.notice{padding:16px 18px;border-radius:16px;border:1px solid rgba(255,154,69,.32);background:rgba(255,154,69,.1);color:#ffd3ad}.section-soft .notice{color:#63300b;background:#fff3e7;border-color:#ffc48d}
.demo-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:start}.form-card{display:grid;gap:15px}.field label{display:block;font-weight:800;margin-bottom:6px}.field select,.field input{width:100%;padding:12px 13px;border-radius:12px;border:1px solid #42617b;background:#081d31;color:#fff}.check-row{display:flex;gap:14px;flex-wrap:wrap}.check-row label{display:flex;gap:7px;align-items:center;color:#d7e6ef}.demo-result{min-height:360px}.result-card{border-left:4px solid var(--aqua);padding:16px 18px;margin-bottom:12px;background:rgba(255,255,255,.055);border-radius:0 16px 16px 0}.result-card h3{font-size:18px}.result-card p{color:#bed0dd}
.timeline{position:relative;margin-left:16px}.timeline:before{content:"";position:absolute;left:16px;top:8px;bottom:8px;width:2px;background:#41627d}.timeline article{position:relative;padding:0 0 23px 56px}.timeline article:before{content:"";position:absolute;left:5px;top:4px;width:22px;height:22px;border-radius:50%;background:var(--aqua);box-shadow:0 0 0 6px rgba(32,214,181,.13)}.timeline time{color:#8bf4dd;font-weight:850}
.steps{counter-reset:guide;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.steps article{position:relative;padding:19px 19px 19px 62px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.05)}.steps article:before{counter-increment:guide;content:counter(guide);position:absolute;left:17px;top:18px;width:31px;height:31px;border-radius:11px;background:var(--aqua);color:#06201c;display:grid;place-items:center;font-weight:900}
.table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line)}table{width:100%;min-width:760px;border-collapse:collapse;background:#0d2943}th,td{text-align:left;padding:14px 15px;border-bottom:1px solid #284c68;font-size:14px;vertical-align:top}th{background:#153a59;color:#aef7e8}td{color:#d5e4ed}
.article-list{display:grid;gap:22px}.article-feature{display:grid;grid-template-columns:340px 1fr;gap:0;overflow:hidden;border:1px solid var(--line);border-radius:24px;background:#0d2943}.article-feature img{width:100%;height:100%;object-fit:cover}.article-copy{padding:26px}.article-copy .article-meta{display:flex;gap:10px;flex-wrap:wrap;color:#91b0c6;font-size:13px;margin-bottom:10px}.article-body{columns:2;column-gap:30px;color:#c9d9e5}.article-body p{break-inside:avoid}
.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.045);padding:0 17px}.section-soft .faq-list details{background:#fff;border-color:#cad9e4}.faq-list summary{cursor:pointer;padding:16px 30px 16px 0;font-weight:850;position:relative;list-style:none}.faq-list summary:after{content:"+";position:absolute;right:0;color:var(--aqua);font-size:24px;top:8px}.faq-list details[open] summary:after{content:"–"}.faq-list details p{color:var(--muted);padding:0 0 16px}.section-soft .faq-list details p{color:#5c6e80}
.source-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:center}.source-list{display:grid;gap:10px}.source-list li{color:#c4d6e3}
.site-footer{padding:46px 0 24px;border-top:1px solid var(--line);background:#04101d}.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr;gap:28px}.footer-grid h3{color:#8bf4dd}.footer-grid a{display:block;color:#a9bfd1;margin:6px 0}.footer-meta{display:grid;gap:4px;color:#a9bfd1;font-size:14px}.copyright{margin-top:28px;padding-top:18px;border-top:1px solid #18354d;color:#7894aa;font-size:13px}
.back-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#102d49;color:#fff;display:none;z-index:30}.back-top.show{display:block}
@media(max-width:980px){.hero-grid,.demo-panel,.source-panel{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:repeat(3,1fr)}.article-feature{grid-template-columns:280px 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:760px){.nav-toggle{display:block}.nav-links{position:absolute;left:4vw;right:4vw;top:75px;display:none;flex-direction:column;align-items:stretch;padding:13px;background:#07192a;border:1px solid var(--line);border-radius:18px}.nav-links.open{display:flex}.nav-links a{text-align:center}.hero{padding-top:42px}.section{padding:42px 0}.section-head{display:block}.grid-2,.grid-3,.grid-4,.steps{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr}.article-feature{grid-template-columns:1fr}.article-feature img{max-height:270px}.article-body{columns:1}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}h1{font-size:40px}}
@media(max-width:480px){.flow{grid-template-columns:1fr}.btn{width:100%}.hero-actions{display:grid}.meta-strip{display:grid}.sports-rail{grid-auto-columns:85%}}

.hero-visual{margin:0}
.hero-visual figcaption{position:relative;margin-top:12px;color:#a9bfd1;font-size:13px;line-height:1.65}
.article-visual{margin:0;background:#081b2d;display:flex;flex-direction:column}
.article-visual img{width:100%;min-height:250px;flex:1;object-fit:cover}
.article-visual figcaption{padding:14px 16px;color:#a9bfd1;font-size:13px;line-height:1.65;border-top:1px solid #274a66}