:root{--primary:#176B8D;--primary-2:#2187AE;--sky:#55AFD3;--sky-light:#A9D9EA;--sky-soft:#E5F3F8;--navy:#123B50;--navy-2:#0B2938;--navy-dark:#071E2A;--accent:#D97945;--accent-soft:#F7E7DB;--bg:#F5F9FA;--bg-2:#EBF2F4;--bg-3:#FAFCFC;--surface:#fff;--surface-soft:rgba(255,255,255,.86);--text:#203640;--text-2:#60747D;--text-3:#91A0A6;--line:rgba(23,107,141,.10);--line-strong:rgba(23,107,141,.22);--shadow:0 6px 24px rgba(18,59,80,.08);--shadow-hover:0 15px 38px rgba(18,59,80,.14);--radius:10px;--radius-card:14px;--radius-large:20px;--radius-pill:999px;--wrap:1320px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}.wrap{width:min(var(--wrap),calc(100% - 40px));margin:auto}.topbar{background:var(--navy-dark);color:#d9edf4;text-align:center;padding:7px 12px;font-size:13px}.topbar a{margin-left:12px;color:#fff}.site-header{position:sticky;top:0;z-index:50;background:rgba(245,249,250,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.header-inner{height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:220px}.brand img{width:42px;height:42px;border-radius:12px}.brand b,.brand small{display:block}.brand b{font-size:18px;color:var(--navy)}.brand small{font-size:10px;letter-spacing:1.7px;color:var(--text-3)}.main-nav{display:flex;gap:4px;flex:1}.main-nav a,.header-actions a{padding:10px 12px;border-radius:10px}.main-nav a:hover,.main-nav a.active{background:#fff;color:var(--primary);box-shadow:var(--shadow)}.header-actions{display:flex;align-items:center;gap:3px}.app-link{background:var(--primary)!important;color:#fff}.menu-btn{border:0;background:#fff;border-radius:10px;padding:9px 12px;font-size:20px;cursor:pointer}.mega{display:none;border-top:1px solid var(--line);background:#fff}.mega.open{display:block}.mega-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;padding:20px 0}.mega-grid a{padding:12px;background:var(--bg);border-radius:10px}.hero{padding:62px 0 46px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.eyebrow{display:inline-block;color:var(--primary);font-weight:800;letter-spacing:.06em;font-size:12px;text-transform:uppercase}.hero h1{font-size:clamp(42px,5vw,76px);line-height:1.06;margin:12px 0 20px;color:var(--navy-dark);letter-spacing:-.04em}.hero p{font-size:17px;color:var(--text-2);max-width:700px}.hero-actions{display:flex;gap:12px;margin:26px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 19px;border-radius:12px;background:var(--primary);color:#fff;font-weight:700}.btn.secondary{background:#fff;color:var(--navy);border:1px solid var(--line-strong)}.searchbox{display:flex;max-width:640px;background:#fff;border:1px solid var(--line-strong);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}.searchbox input{flex:1;border:0;padding:15px 16px;outline:0}.searchbox button{border:0;background:var(--navy);color:#fff;padding:0 20px}.hero-visual{position:relative}.hero-visual>img{height:470px;border-radius:28px;box-shadow:var(--shadow-hover)}.floating-panel{position:absolute;right:-10px;bottom:18px;width:280px;background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);border-radius:18px;padding:16px;box-shadow:var(--shadow-hover)}.floating-panel strong{display:block;font-size:18px}.mini-stat{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}.chips{display:flex;gap:10px;overflow:auto;padding:5px 0 14px}.chip{display:inline-flex;white-space:nowrap;padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}.chip.soft{background:var(--sky-soft);color:var(--primary);border:0}.section{padding:56px 0}.section.alt{background:var(--bg-2)}.section.dark{background:var(--navy-dark);color:#e9f7fb}.section.dark h2,.section.dark h3{color:#fff}.section.dark .section-head p,.section.dark .video-card p,.section.dark .meta-row{color:#a9c5d0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head h2{font-size:34px;line-height:1.15;margin:7px 0;color:var(--navy-dark)}.section-head p{margin:0;color:var(--text-2);max-width:720px}.text-link{color:var(--primary);font-weight:700}.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.video-grid.three{grid-template-columns:repeat(3,1fr)}.video-card,.live-card,.anchor-card,.topic-card,.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);transition:.2s}.video-card:hover,.live-card:hover,.anchor-card:hover,.topic-card:hover,.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.media-thumb{display:block;position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2)}.media-thumb img{height:100%;transition:.25s}.video-card:hover .media-thumb img{transform:scale(1.02)}.play{position:absolute;left:14px;bottom:13px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--primary);transition:.2s}.video-card:hover 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h3{font-size:14px;margin:2px 0}.live-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.anchor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.anchor-card{display:flex;gap:16px;padding:16px}.anchor-card img{width:88px;height:88px;border-radius:50%;flex:0 0 auto}.anchor-card h3{margin:3px 0}.anchor-card p{margin:3px 0;color:var(--text-2)}.anchor-dir{font-weight:700;color:var(--primary)!important}.status-dot{font-size:12px;color:var(--accent);font-weight:700}.bento{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:220px 220px;gap:16px}.bento a{position:relative;overflow:hidden;border-radius:20px;min-height:180px}.bento a:first-child{grid-row:1/3}.bento img{height:100%}.bento span{position:absolute;left:18px;bottom:16px;background:rgba(7,30,42,.78);color:#fff;padding:8px 12px;border-radius:10px}.ranking{counter-reset:item;display:grid;gap:4px}.rank-item{display:grid;grid-template-columns:48px 1fr 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@media(max-width:640px){.wrap{width:min(100% - 24px,var(--wrap))}.topbar{font-size:11px}.brand{min-width:auto}.header-inner{height:62px}.hero{padding-top:34px}.hero h1{font-size:42px}.hero-actions{flex-direction:column}.hero-visual>img{height:300px}.floating-panel{position:relative;right:auto;bottom:auto;width:100%;margin-top:-20px}.video-grid,.video-grid.three,.live-grid,.anchor-grid,.info-grid,.topic-grid{grid-template-columns:1fr}.bento{grid-template-columns:1fr}.bento a:first-child{grid-column:auto}.anchor-card img{width:70px;height:70px}.section{padding:40px 0}.section-head{align-items:flex-start;flex-direction:column}.section-head h2{font-size:28px}.page-hero h1{font-size:38px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/3}.footer-bottom{flex-direction:column}.mobile-bottom{position:fixed;z-index:60;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding:9px 6px}.mobile-bottom a{text-align:center;font-size:12px}.mega-grid{grid-template-columns:repeat(2,1fr)}}