:root{color-scheme:dark;--bg:#080A0D;--panel:#12161C;--panel2:#171C23;--text:#F5F7FA;--body:#C7CDD5;--muted:#9098A3;--blue:#6EA8FF;--border:rgba(255,255,255,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif}button,a{font:inherit}a{color:var(--blue);text-decoration:none}a:hover{color:#8ED8FF}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #8ED8FF;outline-offset:3px}h1,h2,h3{color:var(--text);line-height:1.37;letter-spacing:.01em}h1{font-size:34px;margin:0 0 22px}h2{font-size:26px;margin:0 0 20px}h3{font-size:19px;margin:0 0 12px}p{margin:0 0 16px}ul,ol{padding-left:1.4em}li{margin-bottom:9px}small,.muted{color:var(--muted)}.shell{width:min(1200px,calc(100% - 48px));margin:0 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var(--border);max-width:900px}.eyebrow{color:#8ED8FF;text-transform:uppercase;font-size:12px;letter-spacing:.16em;margin-bottom:11px}.lead{color:#C7CDD5;font-size:17px;line-height:1.8;max-width:850px}.article-body{max-width:820px}.article-body section{margin:0 0 39px}.article-body section h2{border-left:3px solid #5C7CFA;padding-left:14px}.article-body p{line-height:1.85}.reading-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(220px,1fr);align-items:start;gap:55px}.rail{border-top:2px solid #5C7CFA;padding-top:20px;position:sticky;top:25px}.rail a{display:block;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}.section-block{margin:44px 0 56px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;border-bottom:1px solid var(--border);padding-bottom:13px;margin-bottom:23px}.section-head 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a:before{counter-increment:notes;content:counter(notes,decimal-leading-zero);font-size:12px;margin-right:15px;color:#8ED8FF}.related{margin:53px 0 0;padding-top:23px;border-top:1px solid var(--border)}.related h2{font-size:21px}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related a{display:inline-flex;padding:6px 13px;border:1px solid rgba(255,255,255,.16);border-radius:99px;font-size:14px}.related a:hover{border-color:#6EA8FF}.image-frame,.feature-visual,.hero-visual,.thumb-visual,.device-visual,.gif-visual{margin:0;min-width:0;max-width:100%;background:#0D1015;border:1px solid var(--border);border-radius:13px;overflow:hidden;padding:12px}.image-frame img,.feature-visual img,.hero-visual img,.thumb-visual img,.device-visual img,.gif-visual img{display:block;max-width:100%;width:100%;height:auto;object-fit:contain;object-position:center center}.hero-visual{height:300px;display:flex;justify-content:center;align-items:center}.hero-visual 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.drawer{visibility:visible;pointer-events:auto;transform:translateX(0)}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:0 0 15px;border-bottom:1px solid var(--border)}.drawer-logo img{max-height:33px;max-width:130px;width:auto}.drawer-close{background:none;border:1px solid var(--border);color:var(--text);border-radius:50%;width:39px;height:39px;font-size:25px;cursor:pointer}.drawer section{padding:15px 0;border-bottom:1px solid var(--border)}.drawer h2{font-size:13px;color:#8ED8FF;letter-spacing:.1em;margin:0 0 9px}.drawer nav a{display:block;color:var(--body);padding:4px 0;font-size:14px}.menu-toggle{width:40px;height:40px;background:transparent;border:1px solid var(--border);border-radius:9px;flex:0 0 40px;padding:10px;cursor:pointer}.menu-toggle span{display:block;background:var(--text);width:18px;height:2px;margin:4px 0}
@media(max-width:1099px){.brand{max-width:170px}.brand-text{display:none}.desktop-nav{gap:12px}.desktop-nav a{font-size:13px}}
@media(max-width:979px){.shell{width:calc(100% - 40px)}.header-row{height:64px;justify-content:space-between;position:relative}.brand{position:absolute;left:50%;transform:translateX(-50%);max-width:34%;justify-content:center}.brand .logo-frame img{max-height:28px;max-width:100%}.brand .logo-frame .image-placeholder{width:80px}.menu-toggle{display:block}.desktop-nav,.desktop-quick{display:none}.mobile-quick{display:flex;width:100%;padding:0 20px;gap:26px;overflow-x:auto;scrollbar-width:none}.mobile-quick::-webkit-scrollbar{display:none}.enter-link{height:39px;font-size:13px;padding:0 13px}.hero-section{padding:43px 0}.reading-layout{grid-template-columns:minmax(0,1fr)}.rail{position:static}.footer-grid{gap:28px}.feature-visual{min-height:150px}}
@media(max-width:767px){.shell{width:calc(100% - 32px)}.mobile-quick{padding:0 16px}.header-row{height:63px}.brand{max-width:32%}.brand .logo-frame img{max-width:100%;max-height:28px}.hero-section h1{font-size:29px}.page-hero{margin:16px 0 32px}.page-hero h1{font-size:26px}.lead{font-size:16px}.section-block{margin:30px 0 40px}.section-head{align-items:flex-start}.section-head h2{font-size:21px}h2{font-size:21px}h3{font-size:18px}body{font-size:15px}.grid-two,.grid-three,.split,.split-unequal{grid-template-columns:minmax(0,1fr)}.grid-two,.grid-three{gap:16px}.split{gap:20px}.hero-visual{height:200px;order:-1}.feature-visual{min-height:150px}.feature-visual img{max-height:185px}.thumb-visual img{max-height:155px}.editor-card{padding:17px}.gallery-grid{grid-template-columns:minmax(0,1fr);gap:18px}.device-visual{max-width:220px;order:-1}.gif-visual img{max-height:145px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.footer-about{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:5px}.info-table{font-size:13px}.info-table th,.info-table td{padding:9px}.inset{padding:20px}.content{padding-bottom:48px}}
@media(max-width:359px){.brand{max-width:27%}.enter-link{padding:0 10px;font-size:12px}.hero-section h1{font-size:27px}.brand .logo-frame img{max-width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.drawer,.nav-overlay,.to-top{transition:none}}

.gallery-grid .image-frame img{max-height:350px;width:auto;margin:0 auto}.gallery-grid .image-frame{display:flex;flex-direction:column;justify-content:center}