
:root{color-scheme:dark;--bg:#08080b;--deep:#050508;--surface:#111116;--surface2:#19191f;--card:#17171e;--red:#e32b39;--bright:#ff4252;--border:rgba(255,66,82,.22);--muted:#b9bbc5}*{box-sizing:border-box}html{scroll-padding-top:92px}body{margin:0;min-width:0;background:var(--bg);color:#f5f5f7;font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #ff4252;outline-offset:3px}a:hover{color:#fff}p{margin:0 0 1.1em}h1,h2,h3{line-height:1.35;color:#fff}h1{font-size:clamp(28px,3vw,32px);margin:10px 0 18px}h2{font-size:23px;margin:0 0 16px}h3{font-size:18px;margin:0 0 12px}.wrap{width:min(1120px,calc(100% - 32px));margin-inline:auto}.site-header{background:#050508;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.head-inner{height:66px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;flex-shrink:0;gap:8px;white-space:nowrap}.brand-name{font-weight:850;color:#fff;font-size:19px}.brand-en{color:#ddd;font-size:10px;letter-spacing:.07em}.brand-logo{height:25px;max-width:80px;width:auto;object-fit:contain;object-position:center}.desktop-nav{display:flex;align-items:center;gap:2px;margin-left:auto;white-space:nowrap}.desktop-nav a,.category-bar a{display:inline-flex;align-items:center;min-height:42px;padding:7px 10px;border-radius:5px;font-size:14px}.desktop-nav a:hover,.desktop-nav a.current{background:#951a28;color:#fff}.head-actions{display:flex;align-items:center;gap:7px}.control,.desktop-app{min-height:44px;border:1px solid var(--border);background:#19191f;color:#fff;border-radius:10px;padding:8px 12px;white-space:nowrap}.control:hover,.desktop-app:hover{border-color:#ff4252;box-shadow:0 0 16px #951a2855}.menu-btn{display:none}.category-bar{border-bottom:1px solid #ffffff16;background:#101014}.category-inner{display:flex;gap:25px;align-items:center}.category-bar a{border-bottom:2px solid transparent;border-radius:0;color:#e3e3e8}.category-bar a.current{color:#fff;background:#951a2822;border-color:var(--bright)}.content{padding-top:30px;padding-bottom:65px;min-height:60vh}.eyebrow{color:#ff747f;font-size:13px;font-weight:700;letter-spacing:.08em}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:16px}.breadcrumb a:hover{color:#fff}.lead{font-size:17px;color:#e3e3e8;max-width:800px}.page-head{padding:28px 0 18px;border-bottom:1px solid var(--border);margin-bottom:30px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:30px}.article-main{min-width:0}.article-section{background:var(--surface);border:1px solid #ffffff16;padding:24px 26px;border-radius:12px;margin:0 0 18px;box-shadow:0 14px 36px #00000020}.article-section:nth-child(even){background:var(--card)}.article-section p{color:#f5f5f7}.article-section h2{border-left:3px solid var(--bright);padding-left:13px}.aside-box{position:sticky;top:94px;background:#19191f;border:1px solid var(--border);border-radius:12px;padding:20px}.aside-box a,.aside-box span{display:block;padding:8px 0;border-bottom:1px solid #ffffff17;font-size:14px}.aside-box p{font-size:14px;color:#b9bbc5}.section-head{display:flex;align-items:end;justify-content:space-between;margin:40px 0 18px;gap:16px}.section-head p{color:var(--muted);margin:0}.hero{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;align-items:center;padding:36px 0 24px}.hero-copy{padding:24px 0}.hero-copy h1{font-size:32px}.hero-copy p{font-size:17px;max-width:580px}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:10px;padding:10px 18px;font-weight:700;border:1px solid #ff425244;background:linear-gradient(135deg,#ff4252,#e32b39,#951a28);color:white}.btn.secondary{background:#19191f}.btn:hover{box-shadow:0 0 20px #951a2870}.panel,.feature-card{background:var(--surface);border:1px solid #ffffff19;border-radius:12px;padding:22px;min-width:0}.hero-panel{background:linear-gradient(145deg,#19191f,#111116);border:1px solid var(--border);border-radius:12px;padding:18px}.hero-panel h2{font-size:21px;margin:10px 0}.media-slot{background:linear-gradient(145deg,#111116,#251318);border-radius:12px;display:flex;align-items:center;justify-content:center;padding:10px;margin-bottom:13px;min-height:100px}.media-slot img{max-width:100%;max-height:190px;width:auto;height:auto;object-fit:contain;object-position:center}.hero-panel .media-slot img{max-height:240px}.image-tall img{max-height:420px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-card{display:flex;flex-direction:column;gap:8px}.feature-card p{flex:1;color:#e3e3e8}.feature-card h3{font-size:19px}.read-link{color:#ff848c;font-weight:750;font-size:14px}.read-link:after{content:' →'}.split{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;margin:20px 0}.split.reverse{grid-template-columns:.85fr 1.15fr}.split.reverse .media-slot{order:-1}.split .panel{display:flex;flex-direction:column;justify-content:center}.timeline{border-left:2px solid #951a28;margin-left:9px;padding-left:22px}.timeline>div{position:relative;margin-bottom:23px}.timeline>div:before{content:'';width:11px;height:11px;background:var(--bright);border-radius:50%;position:absolute;left:-29px;top:7px}.simple-table{width:100%;border-collapse:collapse;margin:16px 0}.simple-table th,.simple-table td{border-bottom:1px solid #ffffff22;text-align:left;padding:12px;vertical-align:top}.simple-table th{color:#ff818b;width:27%}.faq-item{background:var(--surface);border:1px solid #ffffff20;border-radius:12px;padding:22px;margin-bottom:16px}.faq-item h2{font-size:19px}.footer{background:var(--deep);border-top:1px solid var(--border);padding:36px 0 22px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px}.footer-brand small{letter-spacing:.08em;color:var(--muted)}.footer-links{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}.footer-links h3{font-size:15px;color:#fff}.footer-links a{display:block;font-size:13px;color:#d8d8df;padding:3px 0}.footer-links a:hover{color:#ff818b}.footer-note{color:#b9bbc5;font-size:13px;border-top:1px solid #ffffff18;padding-top:20px;margin-top:20px}.copyright{font-size:12px;color:#e3e3e8}.overlay{position:fixed;inset:0;background:#000b;z-index:60;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .18s}.overlay.open{visibility:visible;pointer-events:auto;opacity:1}.layer{position:fixed;z-index:61;background:#111116;box-shadow:0 14px 36px #0009;border:1px solid var(--border);border-radius:0 0 14px 14px;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity .18s,transform .18s;overflow:auto;max-height:calc(100dvh - 72px)}.layer.open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.menu-panel{left:50%;top:66px;width:min(1120px,calc(100% - 32px));transform:translate(-50%,-8px)}.menu-panel.open{transform:translate(-50%,0)}.layer-top{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #ffffff1b}.menu-grid{padding:18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.menu-group{padding:10px}.menu-group h3{font-size:17px;color:#fff}.menu-group p{font-size:13px;color:var(--muted)}.menu-group>div{display:flex;flex-wrap:wrap;gap:6px}.menu-group a{padding:9px 10px;min-height:44px;display:inline-flex;align-items:center;background:#19191f;border:1px solid #ffffff18;border-radius:8px;font-size:14px}.search-panel{top:66px;right:max(16px,calc((100vw - 1120px)/2));width:min(460px,calc(100% - 32px));padding-bottom:15px}.search-panel input{display:block;width:calc(100% - 32px);margin:15px 16px;padding:12px;color:white;border-radius:9px;background:#050508;border:1px solid #ff425266;min-height:44px}.search-results{overflow:auto;max-height:55vh;padding:0 17px}.search-results h3{font-size:14px;color:#ff949a;margin:15px 0 4px}.search-results a{display:flex;justify-content:space-between;align-items:center;padding:8px 4px;border-bottom:1px solid #ffffff14;min-height:44px}.search-results a span{font-size:12px;color:#b9bbc5}.search-results [hidden],.search-results h3[hidden]{display:none!important}.bottom-nav{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:1080px){.brand-en{display:none}.desktop-nav a{padding:7px}.head-inner{gap:12px}.desktop-all{display:none}.menu-btn{display:inline-block}.desktop-app{display:none}}@media(max-width:840px){.desktop-nav,.category-bar{display:none}.head-inner{height:56px}.head-actions{margin-left:auto}.menu-panel,.search-panel{top:56px;max-height:calc(100dvh - 56px)}.menu-panel{width:100%;left:0;border-radius:0;transform:translateY(-8px)}.menu-panel.open{transform:none}.menu-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:1fr}.aside-box{position:static}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-links{grid-template-columns:repeat(3,minmax(0,1fr))}.bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));bottom:0;left:0;right:0;z-index:55;background:#050508;border-top:1px solid #951a28;min-height:calc(54px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{font-size:13px;display:flex;justify-content:center;align-items:center;min-height:54px;text-align:center}.bottom-nav a.current{color:#ff818b;background:#951a282a}.footer{padding-bottom:calc(85px + env(safe-area-inset-bottom))}.hero{grid-template-columns:1fr 1fr}}@media(max-width:600px){.brand-en{display:none}.brand-name{font-size:18px}.head-actions .control{padding:7px 10px}.hero,.split,.split.reverse{grid-template-columns:1fr}.split.reverse .media-slot{order:0}.hero{padding-top:12px}.hero-copy{padding:14px 0}.hero-copy h1{font-size:29px}.card-grid,.card-grid.two,.menu-grid{grid-template-columns:1fr}.menu-grid{gap:8px}.menu-group{padding:8px;border-bottom:1px solid #ffffff10}.menu-group>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.article-section{padding:20px 18px}.content{padding-bottom:45px}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.page-head{padding:12px 0 18px}.hero-panel .media-slot img{max-height:210px}.section-head{align-items:start;flex-direction:column}.search-panel{right:16px}.feature-card{padding:18px}}@media(max-width:360px){.brand-name{font-size:16px}.head-inner{gap:5px}.brand{gap:4px}.control{font-size:13px}.brand-logo{max-width:53px}}
