:root{color-scheme:dark;--bg:#080A0D;--surface:#0D1015;--panel:#12161C;--muted:#9098A3;--ink:#F5F7FA;--text:#C7CDD5;--blue:#6EA8FF;--line:rgba(255,255,255,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline;color:#8ED8FF}button{font:inherit}button,a{ -webkit-tap-highlight-color:transparent }a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #8ED8FF;outline-offset:4px}h1,h2,h3{color:var(--ink);line-height:1.38;letter-spacing:.01em}h1{font-size:34px;margin:0 0 22px}h2{font-size:26px;margin:0 0 18px}h3{font-size:19px;margin:0 0 12px}p{margin:0 0 17px}small,.muted{color:var(--muted)}.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;min-width:0}.site-header{background:rgba(8,10,13,.96);border-bottom:1px solid 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16px}.enter-button:hover{background:#7390FF;color:white;text-decoration:none}.menu-trigger{display:none;width:40px;height:40px;padding:10px;border:1px solid var(--line);background:var(--panel);border-radius:9px;flex:none}.menu-trigger span{display:block;height:2px;background:#F5F7FA;margin:4px 0}.quick-nav{background:#10141A;border-bottom:1px solid var(--line)}.quick-inner{min-height:44px}.desktop-quick{display:flex;gap:28px;align-items:center;min-height:44px;white-space:nowrap;overflow-x:auto;scrollbar-width:none}.desktop-quick a{font-size:14px;color:#AAB3BF}.desktop-quick a.active{color:var(--blue)}.mobile-quick{display:none}.main-content{padding-top:34px;padding-bottom:65px}.breadcrumbs{font-size:13px;color:#87919F;display:flex;gap:10px;align-items:center;margin:0 0 29px;flex-wrap:wrap}.breadcrumbs strong{font-weight:normal;color:#C7CDD5}.page-intro{padding:0 0 30px;max-width:870px;border-bottom:1px solid var(--line);margin-bottom:36px}.page-intro 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@media(max-width:1100px){.desktop-nav{gap:13px}.header-inner{gap:15px}.brand{min-width:190px}.brand-en{font-size:8px}}
@media(max-width:979px){.container{padding-left:20px;padding-right:20px}.header-inner{height:64px;justify-content:space-between;position:relative}.desktop-nav,.brand-en{display:none}.menu-trigger{display:block}.brand{position:absolute;left:50%;transform:translateX(-50%);min-width:0;width:auto;max-width:calc(100% - 175px);justify-content:center}.brand-image img{max-height:28px;max-width:115px}.enter-button{min-height:39px;min-width:88px;padding:0 12px;font-size:12px}.desktop-quick{display:none}.mobile-quick{display:flex;white-space:nowrap;gap:24px;min-height:43px;align-items:center;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.mobile-quick::-webkit-scrollbar{display:none}.mobile-quick a{color:#BFC8D3;font-size:14px;flex:none}.reading-layout{grid-template-columns:minmax(0,1fr)}.toc{position:static;order:-1;border-left:none;border-bottom:1px solid var(--line);padding:0 0 14px}.toc a{display:inline-block;margin-right:18px}.footer-grid{grid-template-columns:1fr 2fr}.footer-service{grid-column:1/-1}.footer-link-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:767px){.main-content{padding-top:26px;padding-bottom:45px}.container{padding-left:16px;padding-right:16px}.home-hero,.split,.split.reverse,.home-subgrid,.reading-layout{grid-template-columns:minmax(0,1fr)}.home-hero .hero-figure{grid-row:1}.home-hero h1{font-size:29px}.home-hero .intro,.page-intro .deck{font-size:15px}.home-hero{gap:13px}.home-hero .hero-figure img{max-height:145px}.home-hero .hero-figure .image-placeholder{height:145px}h1{font-size:26px}h2{font-size:21px}h3{font-size:18px}body{font-size:15px}.editorial-section{margin-bottom:34px}.lead-grid{grid-template-columns:minmax(0,1fr)}.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.gallery-grid .figure{padding:8px}.gallery-grid .figure img{max-height:155px}.gallery-grid .image-placeholder{height:125px}.visual-wall{grid-template-columns:minmax(0,1fr)}.visual-wall .figure:nth-child(3){grid-column:auto}.figure img,.feature-figure img{max-height:185px}.device-figure{max-width:220px}.device-figure img{max-height:340px}.gif-figure img{max-height:145px}.indexed-links{grid-template-columns:minmax(0,1fr)}.footer-grid{grid-template-columns:minmax(0,1fr)}.footer-link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-service{grid-column:auto}.content-table{font-size:12px}.content-table td,.content-table th{padding:8px}.figure{padding:9px}.site-drawer{width:min(340px,86vw)}.drawer-top{height:64px}}
@media(max-width:359px){.brand-image img{max-width:93px}.enter-button{min-width:82px;padding:0 9px;font-size:11px}.gallery-grid{grid-template-columns:minmax(0,1fr)}.home-hero h1{font-size:27px}.drawer-links{grid-template-columns:minmax(0,1fr)}}
@media(min-width:768px) and (max-width:979px){.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}