:root{
 --bg:#050505;--deep:#0A0A0A;--card:#111;--hover:#191919;--light:#EFEFEF;--title:#FAFAFA;--text:#D8D8D8;--muted:#A3A3A3;--dark:#151515;--border:rgba(255,255,255,.14);--border-hi:rgba(255,255,255,.42);
 --g-dark:linear-gradient(135deg,#050505 0%,#171717 52%,#090909 100%);--g-screen:linear-gradient(120deg,#F5F5F5 0%,#BDBDBD 48%,#FFFFFF 100%);--g-card:linear-gradient(160deg,#1B1B1B 0%,#0D0D0D 70%,#050505 100%);
 --shell:1320px;--header-brand:68px;--header-channel:34px;--radius:10px;--z-header:40;--z-overlay:70;--z-drawer:80;--z-search:90;--z-mobile:30;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}body.locked{overflow:hidden}a,button{position:relative;z-index:2;pointer-events:auto;touch-action:manipulation}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}.shell{width:min(var(--shell),calc(100% - 56px));margin-inline:auto}.site-header{position:fixed;inset:0 0 auto;z-index:var(--z-header)}.brand-rail{height:var(--header-brand);background:linear-gradient(90deg,#050505,#171717);border-bottom:1px solid rgba(255,255,255,.24)}.header-row{height:100%;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:140px}.brand-logo{height:34px;width:auto;max-width:150px;object-fit:contain}.brand-fallback,.footer-brand .brand span{display:flex;flex-direction:column;line-height:1.05}.brand-fallback strong,.footer-brand .brand strong{color:#fff;font-size:18px}.brand-fallback small,.footer-brand .brand small{font-size:10px;color:var(--muted);letter-spacing:.12em}.desktop-nav{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}.desktop-nav a,.header-actions a,.header-actions button{min-height:44px;display:inline-flex;align-items:center;padding:0 12px;border-radius:6px}.desktop-nav a:hover,.desktop-nav a:focus-visible,.header-actions a:hover,.header-actions button:hover{background:#efefef;color:#151515}.desktop-nav .is-current{box-shadow:inset 0 -2px #fff}.header-actions{display:flex;align-items:center;gap:8px}.icon-button,.menu-button{border:1px solid var(--border);background:#101010;color:#eee}.channel-rail{height:var(--header-channel);background:#0b0b0b;border-bottom:1px solid var(--border)}.channel-row{height:100%;display:flex;align-items:center;justify-content:center;gap:22px;font-size:13px;color:#bdbdbd}.channel-row a.is-current,.channel-row a:hover{color:#fff}.rail-line{width:32px;height:1px;background:#8a8a8a}.site-main{padding-top:calc(var(--header-brand) + var(--header-channel));min-height:70vh}.section{padding:72px 0;border-bottom:1px solid var(--border)}.section-tight{padding:46px 0}.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#b8b8b8}.hero-title,h1{font-size:clamp(30px,5vw,64px);line-height:1.08;color:var(--title);margin:.2em 0}.section-title,h2{font-size:clamp(24px,3vw,38px);line-height:1.25;color:var(--title);margin:.2em 0 .7em}h3{color:#f0f0f0;line-height:1.35}p{margin:.6em 0 1em}.lead{font-size:clamp(17px,2vw,20px);color:#cfcfcf;max-width:860px}.muted{color:var(--muted)}.kicker{display:inline-block;border-top:1px solid var(--border-hi);padding-top:8px;color:#cfcfcf}.media-frame{display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(145deg,#050505,#202020);border:1px solid var(--border);border-radius:10px}.media-frame img{width:100%;height:100%;object-fit:contain;object-position:center}.media-placeholder{display:flex;align-items:center;justify-content:center;min-height:220px;background:linear-gradient(145deg,#050505,#202020);color:#bdbdbd;border:1px solid var(--border);border-radius:10px;text-align:center;padding:24px}.hero-media{max-height:520px;min-height:260px}.hero-media img{max-height:520px}.hero-caption{display:grid;grid-template-columns:minmax(0,1.5fr) auto;gap:40px;align-items:end;padding-top:28px}.text-links{display:flex;gap:16px;flex-wrap:wrap}.text-link{display:inline-flex;align-items:center;min-height:44px;border-bottom:1px solid #fff}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.card{background:var(--g-card);border:1px solid var(--border);border-radius:10px;padding:24px}.card:hover{border-color:var(--border-hi);background:#151515}.index-card{min-height:210px}.index-no{display:block;font-size:12px;letter-spacing:.16em;color:#9e9e9e;margin-bottom:26px}.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:36px;align-items:center}.feature-list{margin:18px 0 0;padding:0;list-style:none}.feature-list li{padding:12px 0;border-top:1px solid var(--border)}.feature-list li:last-child{border-bottom:1px solid var(--border)}.strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.strip article{padding:18px;border-right:1px solid var(--border)}.strip article:last-child{border-right:0}.timeline{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.timeline article{padding:18px;border-top:1px solid #cfcfcf;background:#0b0b0b}.status-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.status{padding:22px;background:#efefef;color:#151515;border-radius:8px}.status small{display:block;color:#555}.article-prose{max-width:880px}.article-prose p{font-size:17px}.note{padding:18px 20px;border-left:3px solid #ddd;background:#0d0d0d}.light-section{background:#efefef;color:#151515}.light-section h2,.light-section h3,.light-section .section-title{color:#151515}.light-section .muted{color:#555}.table-wrap{overflow-x:auto}.info-table{width:100%;border-collapse:collapse;min-width:600px}.info-table th,.info-table td{text-align:left;padding:14px;border-bottom:1px solid var(--border)}.faq details{border-top:1px solid var(--border);padding:16px 0}.faq details:last-child{border-bottom:1px solid var(--border)}.faq summary{cursor:pointer;color:#fff;font-weight:700}.site-footer{background:linear-gradient(180deg,#050505,#151515);border-top:1px solid rgba(255,255,255,.3);padding:54px 0 84px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:28px}.footer-brand p{max-width:420px;color:#aaa}.footer-logo{margin-bottom:16px}.footer-nav{display:flex;flex-direction:column;gap:8px}.footer-nav h2{font-size:14px;margin:0 0 10px;color:#fff}.footer-nav a{color:#aaa}.footer-nav a:hover{color:#fff}.legal-copy{padding-top:28px;margin-top:30px;border-top:1px solid var(--border);color:#888;font-size:13px}.nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,.66);z-index:var(--z-overlay);visibility:hidden;opacity:0;pointer-events:none;transition:.24s ease}.nav-overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.channel-drawer{position:fixed;top:0;right:0;height:100dvh;width:min(92vw,380px);background:linear-gradient(160deg,#1b1b1b,#050505 70%);z-index:var(--z-drawer);transform:translateX(102%);visibility:hidden;opacity:0;pointer-events:none;transition:.26s ease;border-left:1px solid var(--border)}.channel-drawer.is-open{transform:none;visibility:visible;opacity:1;pointer-events:auto}.drawer-head{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--border)}.drawer-head>div{display:flex;flex-direction:column;line-height:1.1}.drawer-head small{font-size:10px;color:#999}.drawer-scroll{height:calc(100dvh - 68px);overflow:auto;padding:8px 20px 30px}.drawer-group{padding:18px 0;border-bottom:1px solid var(--border)}.drawer-group h2{font-size:13px;color:#9f9f9f;letter-spacing:.12em}.drawer-group a{display:block;padding:10px 0}.drawer-group a strong{display:block;color:#fff}.drawer-group a span{display:block;color:#8f8f8f;font-size:13px}.search-panel{position:fixed;top:var(--header-brand);left:0;right:0;z-index:var(--z-search);background:#0c0c0c;border-bottom:1px solid var(--border-hi);visibility:hidden;opacity:0;pointer-events:none}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-inner{padding:22px 0 28px}.search-head{display:flex;justify-content:space-between;align-items:center;gap:18px}.search-panel input{width:100%;margin:14px 0 18px;padding:14px 16px;background:#151515;color:#fff;border:1px solid var(--border-hi);border-radius:6px}.search-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.search-links a{padding:13px;border:1px solid var(--border);border-radius:6px}.search-links span{display:block;color:#8e8e8e;font-size:12px}.mobile-bottom{display:none}.mobile-only{display:none!important}:focus-visible{outline:2px solid #fff;outline-offset:2px}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media(max-width:980px){.desktop-nav{display:none}.desktop-only{display:none!important}.mobile-only{display:inline-flex!important}.site-main{padding-top:var(--header-brand)}.shell{width:min(var(--shell),calc(100% - 40px))}.grid-3{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(3,1fr)}.status-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr repeat(2,1fr)}.hero-caption{grid-template-columns:1fr}.search-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.shell{width:calc(100% - 32px)}.header-row{gap:10px}.brand{min-width:0;flex:1}.brand-logo{height:30px;max-width:118px}.header-actions{gap:6px}.icon-button,.menu-button{min-width:44px;padding:0 10px}.section{padding:48px 0}.hero-media{max-height:320px;min-height:190px}.hero-media img{max-height:320px}.grid-3,.grid-2,.status-grid,.search-links{grid-template-columns:1fr}.strip{grid-template-columns:1fr}.strip article{border-right:0;border-bottom:1px solid var(--border)}.strip article:last-child{border-bottom:0}.timeline{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:var(--z-mobile);display:grid;grid-template-columns:repeat(5,1fr);min-height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:linear-gradient(180deg,#090909,#181818);border-top:1px solid var(--border-hi)}.mobile-bottom a{min-height:56px;display:flex;align-items:center;justify-content:center;font-size:13px;color:#c3c3c3}.mobile-bottom a.is-current{background:#fff;color:#111}.site-footer{padding-bottom:120px}.search-panel{top:var(--header-brand)}}