:root{--bg:#080A0D;--surface:#0D1015;--card:#12161C;--raised:#171C23;--hover:#1B2129;--text:#C7CDD5;--muted:#9098A3;--head:#F5F7FA;--blue:#6EA8FF;--line:rgba(255,255,255,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}a:focus-visible,button:focus-visible{outline:2px solid #8ED8FF;outline-offset:3px}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{color:var(--head);line-height:1.35}h1{font-size:40px}h2{font-size:26px}h3{font-size:20px}p{margin-bottom:16px}button{font:inherit;cursor:pointer}img{display:block;max-width:100%}.eyebrow{color:#8ED8FF;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.site-top{height:74px;background:rgba(8,10,13,.96);border-bottom:1px solid var(--line);position:relative;z-index:40}.top-content{height:100%;max-width:1440px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;position:relative}.menu-toggle{width:44px;height:44px;border:1px solid var(--line);border-radius:11px;background:var(--card);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;flex-shrink:0}.menu-toggle span{display:block;width:19px;height:2px;background:var(--head);border-radius:3px}.brand-mark{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:210px;max-width:38vw}.media-logo{background:transparent!important;border:0!important;min-height:0!important;height:36px!important;max-height:36px!important;aspect-ratio:auto!important;display:flex!important;align-items:center;justify-content:center}.media-logo img{width:auto!important;height:100%!important;max-width:100%;object-fit:contain}.entry-button{background:#5C7CFA;border:1px solid #718CFF;color:white;font-weight:700;border-radius:999px;height:42px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;font-size:14px}.entry-button:hover{color:white;background:#496BE6}.channel-scroll{height:48px;background:#0D1015;border-bottom:1px solid var(--line);overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;scrollbar-color:#343e4d transparent}.channel-inner{max-width:1200px;min-width:max-content;margin:0 auto;height:100%;display:flex;gap:20px;align-items:stretch;padding:0 24px;justify-content:space-between}.channel-inner a{position:relative;display:flex;align-items:center;white-space:nowrap;font-size:14px;color:#C7CDD5}.channel-inner a.active{color:var(--blue)}.channel-inner a.active:after{content:"";height:2px;background:var(--blue);position:absolute;bottom:0;left:0;right:0}.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s,visibility .22s}.drawer-backdrop.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-drawer{position:fixed;top:0;left:0;bottom:0;width:420px;max-width:86vw;background:#0D1015;border-right:1px solid var(--line);z-index:81;transform:translateX(-103%);transition:transform .22s,visibility .22s;visibility:hidden;pointer-events:none;overflow-y:auto;padding:24px}.site-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.drawer-brand{max-width:220px}.drawer-close{color:var(--head);background:var(--raised);border:1px solid var(--line);width:40px;height:40px;border-radius:9px;font-size:28px;line-height:1}.drawer-lead{font-size:13px;color:var(--muted);margin:12px 0 22px}.drawer-group{border-top:1px solid var(--line);padding:14px 0}.drawer-group h3{font-size:13px;color:#8ED8FF;margin:0 0 10px;letter-spacing:.08em}.drawer-group a{display:inline-block;font-size:14px;padding:5px 10px;margin:2px 2px 2px 0;border-left:2px solid transparent;border-radius:2px}.drawer-group a.active{border-left-color:var(--blue);color:var(--blue);background:var(--raised)}main{max-width:1200px;margin:auto;padding:0 24px 64px;min-width:0}.home-hero{padding:54px 0 30px;display:grid;grid-template-columns:56fr 44fr;gap:36px;align-items:center}.hero-copy{grid-column:1;grid-row:1}.hero-media{grid-column:2;grid-row:1;min-width:0}.hero-copy h1{margin:15px 0 20px;max-width:650px;letter-spacing:-.03em}.hero-copy p{max-width:620px}.hero-actions,.inline-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px}.hero-actions a,.inline-links a,.related-links a{color:var(--blue);font-weight:700;font-size:14px}.hero-actions a:hover,.inline-links a:hover{text-decoration:underline}.media{width:100%;max-width:100%;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;display:flex;justify-content:center;align-items:center;overflow:hidden}.media img{width:100%;height:100%;object-fit:contain;object-position:center center}.media-placeholder{background:linear-gradient(145deg,#101722,#0D1015 62%,#131820);border:1px solid rgba(255,255,255,.06)}.media-wide{aspect-ratio:16/9;max-height:175px}.media-square{aspect-ratio:1}.media-banner{aspect-ratio:16/7;max-height:250px}.media-device{aspect-ratio:9/16;max-height:350px;width:min(100%,260px);margin-inline:auto}.home-hero .media-wide{max-height:310px}.home-section{margin-top:54px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}.section-heading h2{margin:5px 0 0}.section-heading p{margin:0;color:var(--muted);font-size:14px}.section-heading>a{color:var(--blue);font-size:14px}.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.quick-item{min-width:0;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:13px}.number{font-size:13px;letter-spacing:.14em;color:var(--blue);font-weight:bold}.quick-item h3{margin:8px 0}.quick-item p{font-size:14px;color:var(--text)}.quick-item a,.feature-story a,.story-index a,.text-directory a,.two-articles a,.numbered-list a,.news-entry a,.category-links a,.aside-links a{font-size:14px;color:var(--blue);font-weight:700}.editorial-split{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;min-width:0}.feature-story{background:var(--card);padding:30px;border:1px solid var(--line);border-radius:14px;min-width:0}.feature-story h3{font-size:22px;margin:12px 0}.feature-story h2{margin:12px 0 18px}.story-index{display:grid;gap:12px}.story-index article{display:flex;gap:14px;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:17px;min-width:0}.story-index article>span{color:var(--blue);font-weight:700}.story-index h3{font-size:16px;margin:0 0 8px}.story-index p{font-size:14px;margin:0 0 8px}.text-directory{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px}.text-directory h3{margin-bottom:16px}.text-directory>div{border-top:1px solid var(--line);padding:13px 0}.text-directory p{font-size:14px;color:var(--muted);margin:4px 0}.visual-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.visual-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.visual-grid.mini{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:25px}.visual-card{background:var(--card);border:1px solid var(--line);border-radius:13px;overflow:hidden;min-width:0}.visual-card .media{border:0;border-radius:0;background:#0D1015}.visual-copy{padding:16px}.visual-copy h3{font-size:18px;margin-bottom:9px}.visual-copy p{font-size:14px;line-height:1.75;margin:0}.media-story{display:grid;grid-template-columns:45fr 55fr;align-items:center;gap:35px}.media-story>div{min-width:0}.media-story .media-wide{max-height:250px}.media-story.reverse{grid-template-columns:40fr 60fr}.media-story.reverse .media-device{max-height:350px}.two-articles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.two-articles article{padding:25px;border:1px solid var(--line);background:var(--surface);border-radius:13px}.numbered-list article{border-top:1px solid var(--line);padding:18px 10px;display:grid;grid-template-columns:45px minmax(0,1fr) 110px;gap:16px;align-items:start}.numbered-list article:last-child{border-bottom:1px solid var(--line)}.numbered-list h3{font-size:18px;margin:0 0 7px}.numbered-list p{font-size:14px;margin:0;color:var(--text)}.media-note,figcaption{font-size:13px;color:var(--muted);margin:9px 0}.gif-panel{background:var(--surface);padding:18px;border-radius:13px;border:1px solid var(--line)}.gif-panel .media{max-height:140px}.gif-panel h3{font-size:16px;margin:12px 0 5px}.gif-panel p{font-size:13px}.healthy{background:linear-gradient(115deg,#111722,#0D1015);border:1px solid var(--line);padding:28px;border-radius:14px}.healthy h2{margin:10px 0}.healthy p{max-width:920px}.healthy a{font-weight:bold;color:var(--blue)}.page-intro{padding:48px 0 35px;border-bottom:1px solid var(--line)}.page-intro h1{font-size:34px;margin:12px 0 16px}.page-intro p{max-width:820px;font-size:16px}.article-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(210px,1fr);gap:42px;margin-top:34px}.article-body{min-width:0}.prose-section{margin-bottom:38px}.prose-section h2{font-size:26px;margin-bottom:17px}.prose-section p{line-height:1.95}.article-illustration{margin:0 0 30px}.article-illustration .media{max-height:255px}.article-illustration .media-device{max-height:350px}.side-panel{min-width:0;align-self:start;position:sticky;top:20px}.toc,.aside-links{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:18px;margin-bottom:18px}.toc h2,.aside-links h2{font-size:16px;margin:0 0 12px}.toc a,.aside-links a{display:block;padding:7px 0;font-size:14px;border-top:1px solid var(--line)}.related-section{border-top:1px solid var(--line);margin-top:35px;padding-top:28px}.related-links{display:flex;gap:15px;flex-wrap:wrap}.related-links a{padding:9px 14px;background:var(--card);border:1px solid var(--line);border-radius:8px}.news-list{margin:28px 0}.news-entry{display:grid;grid-template-columns:50px minmax(0,1fr);padding:25px 0;gap:16px;border-bottom:1px solid var(--line)}.entry-number{color:var(--blue);font-weight:bold}.news-entry h2{font-size:22px;margin-bottom:10px}.news-entry p{max-width:850px}.category-grid{margin-top:30px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.category-card{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:25px}.category-card h2{margin:10px 0}.category-card p{font-size:15px}.category-links{display:flex;flex-wrap:wrap;gap:10px 16px}.faq-list{max-width:900px;margin-top:30px}.faq-item{padding:22px 0;border-bottom:1px solid var(--line)}.faq-item h2{font-size:20px;margin-bottom:9px}.faq-item h2 span{color:var(--blue)}.site-footer{background:#050608;border-top:1px solid var(--line)}.footer-inner{max-width:1200px;margin:auto;padding:44px 24px;display:grid;grid-template-columns:1.25fr 1fr 1fr 1.1fr;gap:30px}.footer-col{min-width:0}.footer-col h2{font-size:16px;margin-bottom:14px}.footer-col>a:not(.footer-logo){display:block;color:var(--text);font-size:13px;margin:0 0 7px}.footer-col>a:hover{color:var(--blue)}.footer-col p{font-size:13px;color:var(--muted);margin:15px 0}.footer-col .footer-small{color:#6EA8FF}.footer-logo{display:block;width:190px}.footer-bottom{max-width:1200px;padding:20px 24px 28px;border-top:1px solid var(--line);margin:auto;display:flex;justify-content:space-between;gap:18px;color:var(--muted);font-size:12px}.back-to-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--raised);color:white;z-index:30;opacity:0;pointer-events:none;transition:opacity .2s}.back-to-top.shown{opacity:1;pointer-events:auto}
@media(max-width:1100px){.visual-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:25px}}@media(max-width:980px){main{padding-inline:20px}.home-hero{gap:22px}.hero-copy h1{font-size:34px}.article-layout{display:block}.side-panel{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}.toc,.aside-links{margin:0}.footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){.site-top{height:62px}.top-content{padding-inline:16px}.menu-toggle{width:40px;height:40px}.entry-button{height:38px;padding:0 15px;font-size:12px}.brand-mark{width:130px}.media-logo{height:28px!important;max-height:28px!important}.channel-scroll{height:44px}.channel-inner{padding:0 16px;gap:24px}.channel-inner a{font-size:13px}main{padding-inline:16px;padding-bottom:45px}.home-hero{display:flex;flex-direction:column;align-items:stretch;padding:26px 0 5px;gap:19px}.hero-media{order:0}.hero-copy{order:1}.home-hero .media-wide{height:195px;max-height:210px}.hero-copy h1{font-size:29px;letter-spacing:0}.home-section{margin-top:34px}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quick-item{padding:17px}.editorial-split,.media-story,.media-story.reverse,.two-articles{grid-template-columns:1fr}.media-story>div:first-child{order:0}.media-story>div:last-child{order:1}.feature-story{padding:22px}.media-story .media-wide{max-height:185px}.media-story.reverse .media-device{max-height:350px}.page-intro{padding:33px 0 24px}.page-intro h1{font-size:26px}.prose-section h2{font-size:22px}.article-layout{margin-top:24px}.side-panel{grid-template-columns:1fr;margin-top:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:9px}}@media(max-width:430px){.brand-mark{width:105px;max-width:33vw}.entry-button{padding:0 10px;font-size:11px}.top-content{padding-inline:12px}.quick-item p,.visual-copy p{font-size:13px}.visual-grid{gap:11px}.visual-copy{padding:12px}.visual-copy h3{font-size:16px}.visual-card .media-wide{max-height:155px}.numbered-list article{grid-template-columns:30px minmax(0,1fr);gap:8px}.numbered-list a{grid-column:2}.section-heading{align-items:start;flex-direction:column;gap:8px}.footer-inner{gap:22px}}@media(max-width:350px){.brand-mark{width:85px}.entry-button{font-size:10px;padding-inline:8px}.quick-grid,.category-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.home-hero .media-wide{height:170px}.visual-copy h3{font-size:15px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.site-drawer,.drawer-backdrop,.back-to-top{transition:none}}