:root{--bg:#0D0D0D;--deep:#080808;--panel:#161616;--soft:#1F1F1F;--hover:#2A2A2A;--text:#E8E8E8;--muted:#B0B0B0;--dim:#777;--orange:#FF6B00;--orange2:#FF8C00;--orange3:#E65C00;--light:#FFB347;--line:rgba(255,107,0,.18);--line2:rgba(255,140,0,.4);--shadow:0 16px 48px rgba(0,0,0,.65);--glow:0 12px 36px rgba(255,107,0,.22);--radius:14px;--max:1280px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.shell{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:1000;background:rgba(8,8,8,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-wrap{height:74px;width:min(var(--max),calc(100% - 40px));margin:auto;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;min-width:84px}.brand img{display:block;max-width:112px;max-height:44px;width:auto;height:auto}.brand-fallback{font-size:26px;font-weight:900;color:#fff}.desktop-nav{display:flex;align-items:center;gap:6px;white-space:nowrap}.desktop-nav a,.nav-link-btn{padding:10px 12px;border-radius:999px;color:var(--muted);border:0;background:transparent;cursor:pointer}.desktop-nav a:hover,.nav-link-btn:hover,.desktop-nav a.is-active{background:rgba(255,107,0,.12);color:#fff}.desktop-nav a.is-active{box-shadow:inset 0 -2px var(--orange)}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;font-weight:800;border:1px solid transparent;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#FF8C00 0%,#FF6B00 50%,#E65C00 100%);color:#fff;box-shadow:var(--glow)}.btn-secondary{border-color:var(--line2);color:#fff;background:rgba(255,255,255,.02)}.btn.small{min-height:44px;padding:0 17px}.icon-btn{width:44px;height:44px;border:1px solid var(--line2);border-radius:12px;background:var(--soft);display:grid;place-items:center;cursor:pointer}.menu-open{display:none}.hero,.page-hero{padding:42px 0 28px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(320px,1fr);gap:24px;align-items:stretch}.hero-media,.hero-copy,.surface{background:linear-gradient(180deg,var(--panel),#121212);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.hero-media{min-height:520px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-media img{width:100%;height:100%;object-fit:contain;display:block}.hero-placeholder{padding:40px}.hero-copy{padding:34px;display:flex;flex-direction:column;justify-content:center}.eyebrow{display:inline-block;color:var(--light);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:800}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.08;margin:10px 0 18px;color:#fff}.hero-copy p{color:var(--muted)}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.mini-list{display:grid;gap:10px;margin-top:8px}.mini-list article{padding:14px 0;border-top:1px solid var(--line)}.mini-list strong{color:#fff;display:block}.mini-list span{color:var(--muted);font-size:14px}.quick-strip{border-block:1px solid var(--line);background:var(--deep)}.quick-scroll{display:flex;gap:10px;overflow-x:auto;padding:13px 0;scrollbar-width:thin}.quick-scroll a{flex:0 0 auto;padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted)}.quick-scroll a:hover{color:#fff;border-color:var(--line2)}.section{padding:54px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head h2{font-size:clamp(27px,3vw,40px);margin:4px 0;color:#fff}.section-head p{max-width:700px;color:var(--muted);margin:0}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative;overflow:hidden}.card:hover{background:var(--soft);border-color:var(--line2)}.card h3{margin:6px 0 10px;color:#fff;font-size:20px}.card p{margin:0;color:var(--muted)}.card a.more{display:inline-flex;margin-top:14px;color:var(--light);font-weight:700}.tag-cloud{display:flex;gap:10px;flex-wrap:wrap}.tag{border:1px solid var(--line);border-radius:999px;padding:10px 14px;background:var(--panel)}.tag strong{color:#fff}.tag span{color:var(--muted);margin-left:7px}.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.feature-copy,.feature-media{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px}.feature-media{padding:0;overflow:hidden;min-height:300px}.feature-media img{width:100%;height:100%;object-fit:contain;display:block}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:74px 1fr;gap:18px;align-items:start;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.number-item b{font-size:36px;line-height:1;color:var(--orange2)}.timeline{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);gap:14px;overflow-x:auto;padding-bottom:8px}.timeline article{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}.status{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(255,107,0,.12);color:var(--light);font-size:13px}.editor-note{border-left:3px solid var(--orange);padding-left:16px;color:var(--muted)}.page-hero .surface{padding:34px}.page-hero p{max-width:880px;color:var(--muted)}.prose{max-width:920px}.prose h2{font-size:28px;margin:36px 0 10px;color:#fff}.prose h3{font-size:20px;margin:24px 0 8px}.prose p,.prose li{color:var(--muted)}.prose strong{color:#fff}.prose ul{padding-left:20px}.media-card{padding:0;overflow:hidden}.media-card img{display:block;width:100%;height:auto;max-height:420px;object-fit:contain;background:#0a0a0a}.media-card .body{padding:22px}.faq-list{display:grid;gap:12px}.faq-list details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:0 18px}.faq-list summary{cursor:pointer;padding:16px 0;color:#fff;font-weight:800}.faq-list p{color:var(--muted);padding:0 0 18px;margin:0}.notice{padding:18px 20px;border:1px solid var(--line2);background:rgba(255,107,0,.08);border-radius:12px}.site-footer{background:#050505;border-top:1px solid var(--line);padding:48px 0 90px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:24px}.site-footer h2{font-size:15px;color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#999;padding:5px 0}.site-footer a:hover{color:#fff}.footer-brand p,.footer-note{color:#888}.footer-brand strong{display:block;font-size:20px;margin:12px 0}.footer-brand strong span{color:var(--orange2);font-size:13px}.footer-logo img{max-width:116px;max-height:46px}.footer-note{margin-top:28px;padding-top:20px;border-top:1px solid #1b1b1b;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.68);z-index:1400;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-panel{position:fixed;top:0;right:0;width:min(460px,88vw);height:100dvh;background:#0b0b0b;z-index:1500;border-left:1px solid var(--line);transform:translateX(101%);visibility:hidden;pointer-events:none;transition:.25s;box-shadow:var(--shadow)}.channel-panel.is-open{transform:none;visibility:visible;pointer-events:auto}.panel-head{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.panel-brand{display:flex;align-items:center;gap:12px}.panel-brand img{max-width:100px;max-height:42px}.panel-scroll{height:calc(100dvh - 74px);overflow:auto;padding:18px}.panel-scroll section{margin-bottom:20px}.panel-scroll h2{font-size:13px;color:var(--orange2);letter-spacing:.08em}.panel-scroll a{display:block;padding:13px 14px;border-radius:12px;border:1px solid transparent}.panel-scroll a:hover{background:var(--panel);border-color:var(--line)}.panel-scroll strong,.panel-scroll span{display:block}.panel-scroll span{color:var(--muted);font-size:13px;margin-top:3px}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:1350;background:#0b0b0b;border-bottom:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);transition:.2s}.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.search-inner{padding:26px 0 30px}.search-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.search-head h2{margin:4px 0 18px}.search-box{display:grid;grid-template-columns:auto 1fr;gap:10px;background:var(--panel);border:1px solid var(--line2);padding:11px 14px;border-radius:12px}.search-box input{background:transparent;border:0;outline:0;color:#fff;min-width:0}.search-tags{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:14px 0}.search-tags button{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:7px 10px;cursor:pointer}.search-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.search-results a{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:13px}.search-results strong,.search-results span{display:block}.search-results span{color:var(--muted);font-size:13px}.mobile-bottom{display:none}.muted{color:var(--muted)}:focus-visible{outline:3px solid rgba(255,140,0,.6);outline-offset:3px}
@media(max-width:960px){.desktop-nav,.desktop-only,.search-open{display:none}.menu-open{display:grid}.nav-wrap{width:min(100% - 30px,var(--max));gap:10px}.brand{justify-content:center;flex:1}.brand img{max-width:110px}.nav-actions{margin-left:0}.hero-grid,.feature{grid-template-columns:1fr}.hero-copy{order:-1}.hero-media{min-height:320px}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.search-panel{top:0;height:100dvh;overflow:auto}.search-results{grid-template-columns:1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:1200;display:grid;grid-template-columns:repeat(5,1fr);padding-bottom:env(safe-area-inset-bottom);background:rgba(8,8,8,.96);border-top:1px solid var(--line)}.mobile-bottom a{min-height:54px;display:grid;place-items:center;font-size:12px;color:#aaa}.mobile-bottom a.is-active{color:var(--orange2)}.site-footer{padding-bottom:120px}}
@media(max-width:700px){.shell{width:calc(100% - 30px)}.hero,.page-hero{padding-top:24px}.hero h1,.page-hero h1{font-size:36px}.hero-copy,.page-hero .surface{padding:22px}.hero-media{min-height:250px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section{padding:38px 0}.section-head{align-items:start;flex-direction:column}.number-item{grid-template-columns:56px 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.tag span{display:block;margin:2px 0 0}.search-inner{width:calc(100% - 30px)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}