:root{
  --bg:#081014;--bg2:#0b171c;--card:#102127;--card2:#142c32;--line:rgba(58,198,173,.18);--line2:rgba(77,215,255,.32);
  --text:#e8f7f5;--body:#c9dfdc;--muted:#88a8a5;--brand:#32c7a0;--cyan:#4dd7ff;--deep:#137c6a;--warm:#f0d7ad;--shadow:0 16px 38px rgba(0,0,0,.28);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 15% 0%,rgba(50,199,160,.08),transparent 24%),var(--bg);color:var(--body);font:15px/1.75 Arial,"Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}button,a{touch-action:manipulation}.ui-open{overflow:hidden}.top-strip{position:fixed;z-index:70;top:0;left:0;right:0;height:20px;background:#05090b;border-bottom:1px solid rgba(77,215,255,.08);color:#67e6c8;font-size:12px}.top-inner,.header-inner,.quick-inner,.site-main,.footer-inner{width:min(960px,calc(100% - 32px));margin:0 auto}.top-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.top-search{border:0;background:transparent;color:#8cebd6;padding:0 4px;cursor:pointer}.site-header{position:fixed;z-index:68;top:20px;left:0;right:0;height:56px;background:rgba(7,14,17,.97);border-bottom:1px solid var(--line)}.header-inner{height:56px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;min-width:0}.logo-slot{width:92px;height:28px;display:flex;align-items:center;justify-content:flex-start}.logo-slot img{max-height:24px}.brand-copy{display:flex;align-items:baseline;gap:7px;white-space:nowrap}.brand-copy strong{font-size:16px;color:var(--text)}.brand-copy small{font-size:10px;letter-spacing:.14em;color:var(--muted)}.header-actions{display:flex;gap:8px;align-items:center}.app-entry,.menu-button{height:40px;min-width:74px;padding:0 14px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center}.app-entry{background:linear-gradient(135deg,#4dd7ff,#32c7a0 58%,#137c6a);color:#04110f;font-weight:700}.menu-button{border:1px solid var(--line2);background:#0c171b;color:var(--text);cursor:pointer}.quick-nav{position:fixed;z-index:66;top:76px;left:0;right:0;height:44px;background:#071014;border-bottom:1px solid var(--line)}.quick-inner{height:44px;display:flex;align-items:center;gap:10px}.quick-link{min-width:96px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(50,199,160,.34);border-radius:999px;color:#cde8e2;font-size:13px}.quick-link.is-current{background:var(--brand);border-color:var(--brand);color:#03120e;font-weight:700}.site-main{padding-top:146px;padding-bottom:54px;min-height:70vh}.page-head{margin:14px 0 26px;padding:22px 0 18px;border-bottom:1px solid var(--line)}.eyebrow{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.eyebrow span,.tag{display:inline-flex;min-height:28px;align-items:center;padding:3px 10px;border:1px solid var(--line);border-radius:999px;color:#9fd3c8;background:#0b171a;font-size:12px}.page-head h1,.hero h1{margin:0;color:var(--text);font-size:28px;line-height:1.28}.page-head p,.hero p{max-width:740px;margin:12px 0 0;color:#bcd5d0}.hero{padding:26px 0 30px}.hero .lead{font-size:16px;max-width:760px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.primary-btn,.secondary-btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-weight:700}.primary-btn{background:linear-gradient(135deg,#4dd7ff,#32c7a0 56%,#137c6a);color:#04100e}.secondary-btn{border:1px solid var(--line2);background:#0c171b;color:#d8efeb}.section{margin:30px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:14px}.section-title h2{margin:0;color:var(--text);font-size:20px}.section-title p{margin:0;color:var(--muted);font-size:13px}.media-slot{min-height:160px;background:#05090b;border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot.tall{height:320px}.media-slot.banner{height:200px}.media-slot img{width:100%;height:100%}.feature-stage{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(250px,.8fr);gap:16px}.stage-copy,.panel,.list-card,.topic-block,.policy-block,.faq-item,.status-row,.clip-row,.schedule-row,.host-card{background:linear-gradient(180deg,rgba(20,44,50,.74),rgba(13,28,33,.86));border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.stage-copy{padding:24px}.stage-copy h2{margin:0 0 8px;color:var(--text);font-size:22px}.stage-copy ul{padding-left:20px;margin:15px 0 0}.stage-copy li+li{margin-top:6px}.rail{display:grid;gap:12px}.rail a{display:block;padding:16px;border:1px solid var(--line);border-radius:12px;background:#0c191e}.rail a strong{display:block;color:var(--text);margin-bottom:4px}.rail a span{color:var(--muted);font-size:13px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.panel,.list-card,.topic-block,.policy-block,.faq-item,.host-card{padding:18px}.panel h3,.list-card h3,.topic-block h2,.policy-block h2,.host-card h3{margin:0 0 8px;color:var(--text);font-size:16px}.panel p,.list-card p,.policy-block p,.host-card p{margin:0}.panel p+p,.policy-block p+p{margin-top:10px}.numbered-list{counter-reset:item;display:grid;gap:12px}.numbered-list article{position:relative;padding:18px 18px 18px 58px;background:#0d1d22;border:1px solid var(--line);border-radius:14px}.numbered-list article:before{counter-increment:item;content:counter(item,decimal-leading-zero);position:absolute;left:16px;top:16px;color:#55d9bd;font-weight:700}.numbered-list h2{margin:0 0 6px;color:var(--text);font-size:17px}.split-narrow{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);gap:16px;align-items:start}.host-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.host-card{min-height:150px}.host-card .meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}.host-card .meta span{font-size:12px;color:#95c9be}.scene-stack{display:grid;gap:14px}.scene-stack article{display:grid;grid-template-columns:180px 1fr;gap:16px;align-items:center;padding:14px;background:#0d1c21;border:1px solid var(--line);border-radius:14px}.scene-stack .mini{height:110px}.clip-list,.schedule-list{display:grid;gap:10px}.clip-row,.schedule-row{padding:16px;display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:start}.clip-row strong,.schedule-row strong{color:#75e4ca}.clip-row h2,.schedule-row h2{margin:0 0 5px;color:var(--text);font-size:16px}.clip-row p,.schedule-row p{margin:0}.channel-directory{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.channel-directory article{padding:20px;border-left:3px solid var(--brand);background:#0c1b20;border-radius:0 14px 14px 0}.channel-directory h2{margin:0 0 7px;color:var(--text);font-size:17px}.course-list{display:grid;gap:12px}.course-list article{padding:18px;background:#0c1a1f;border:1px solid var(--line);border-radius:14px}.course-list h2{margin:0 0 8px;color:var(--text);font-size:17px}.app-wrap{display:grid;grid-template-columns:1fr 240px;gap:26px;align-items:start}.app-copy{padding-top:8px}.app-points{display:grid;gap:10px;margin-top:16px}.app-points div{padding:14px;background:#0d1c21;border:1px solid var(--line);border-radius:12px}.icon-row{display:flex;gap:12px;align-items:center;margin:18px 0}.icon-slot{width:48px;height:48px;border:1px solid var(--line);border-radius:12px;background:#05090b;display:flex;align-items:center;justify-content:center}.icon-slot img{width:48px;height:48px}.policy-stack{display:grid;gap:14px}.faq-grid{display:grid;gap:12px}.faq-item h2{margin:0 0 7px;color:var(--text);font-size:16px}.faq-item p{margin:0}.discover-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.discover-grid a{padding:20px;background:#0c1a1f;border:1px solid var(--line);border-radius:14px}.discover-grid strong{display:block;color:var(--text);font-size:17px;margin-bottom:5px}.discover-grid span{color:var(--muted)}.note-box{padding:16px 18px;border:1px solid rgba(240,215,173,.22);background:rgba(240,215,173,.06);border-radius:12px;color:#decba9}.backlinks{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.backlinks a{padding:9px 12px;border:1px solid var(--line);border-radius:9px;color:#bce6dd}.site-footer{background:#040708;border-top:1px solid var(--line);padding:30px 0 calc(76px + env(safe-area-inset-bottom));font-size:13px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}.footer-logo{width:90px;height:28px;display:flex;align-items:center}.footer-logo img{max-height:24px}.footer-brand div{display:flex;gap:8px;align-items:baseline}.footer-brand strong{color:var(--text);font-size:16px}.footer-brand small{color:var(--muted);letter-spacing:.12em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{font-size:13px;color:#7de0c8;margin:0 0 8px}.footer-grid a{display:block;color:#b7d2cc;margin:4px 0}.footer-note{margin:24px 0 8px;color:#78958f}.copyright{margin:0;color:#617f79}.overlay{position:fixed;z-index:80;inset:0;background:rgba(0,0,0,.56);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-menu{position:fixed;z-index:90;top:88px;right:16px;width:min(430px,32vw);max-height:76vh;background:#071014;border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow);transform:translateX(115%);visibility:hidden;pointer-events:none;transition:.24s}.site-menu.is-open{transform:none;visibility:visible;pointer-events:auto}.menu-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}.menu-brand{display:flex;gap:10px;align-items:center}.menu-brand span{width:70px;height:24px;display:flex;align-items:center}.menu-brand img{max-height:24px}.menu-brand strong{color:var(--text)}.close-button{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#0b171b;color:var(--text);cursor:pointer;font-size:22px}.menu-scroll{overflow:auto;max-height:calc(76vh - 58px);padding:14px}.menu-scroll section+section{margin-top:16px}.menu-scroll h2{margin:0 0 8px;color:#70ddc3;font-size:13px}.menu-scroll a{display:block;padding:11px 12px;border-radius:10px}.menu-scroll a:hover{background:#10252a}.menu-scroll b{display:block;color:var(--text);font-size:14px}.menu-scroll span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.search-panel{position:fixed;z-index:88;top:76px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(960px,calc(100% - 32px));margin:0 auto;padding:18px;background:#071014;border:1px solid var(--line2);border-radius:0 0 16px 16px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.search-head strong{color:var(--text);font-size:17px}.search-card p{margin:6px 0 14px;color:var(--muted)}.search-links{display:flex;flex-wrap:wrap;gap:9px}.search-links a{padding:9px 12px;background:#0e2025;border:1px solid var(--line);border-radius:999px}.mobile-bottom{display:none}.primary-btn:hover,.app-entry:hover{filter:brightness(1.08)}.secondary-btn:hover,.quick-link:hover,.search-links a:hover{border-color:var(--cyan)}a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
@media(max-width:760px){.top-inner,.header-inner,.quick-inner,.site-main,.footer-inner{width:calc(100% - 32px)}.brand-copy small{display:none}.logo-slot{width:76px}.quick-nav{display:none}.site-main{padding-top:96px;padding-bottom:82px}.page-head h1,.hero h1{font-size:24px}.feature-stage,.split-narrow,.two-col,.three-col,.channel-directory,.discover-grid,.host-strip,.app-wrap{grid-template-columns:1fr}.app-wrap .media-slot.tall{width:min(240px,100%);margin:0 auto}.scene-stack article{grid-template-columns:1fr}.scene-stack .mini{height:150px}.clip-row,.schedule-row{grid-template-columns:1fr;gap:6px}.footer-grid{grid-template-columns:repeat(2,1fr)}.site-menu{top:76px;right:8px;width:88vw;max-height:82vh}.menu-scroll{max-height:calc(82vh - 58px)}.search-panel{top:20px;bottom:0;background:#05090b}.search-card{width:100%;height:100%;border:0;border-radius:0;padding:22px 16px}.mobile-bottom{position:fixed;z-index:65;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#05090b;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;color:#aac7c1}.mobile-bottom a.is-current{background:var(--brand);color:#03110d;font-weight:700}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.header-actions{gap:6px}.app-entry,.menu-button{min-width:64px;padding:0 11px}}
@media(max-width:430px){.brand-copy{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:16px}.stage-copy{padding:18px}.hero{padding-top:18px}}