:root{
  --primary:#6C63FF;--primary-soft:#A78BFA;--ink:#22232B;--muted:#6F7280;--dark:#171821;--paper:#F7F7FA;--panel:#ECECF3;--accent:#F59E5B;--white:#fff;
  --line:#dcdce7;--shadow:0 18px 45px rgba(23,24,33,.09);--radius:20px;--radius-sm:14px;--shell:min(1180px,calc(100% - 36px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.72}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}p{margin:0 0 1em}h1,h2,h3{margin:0 0 .58em;line-height:1.22;letter-spacing:-.015em}h1{font-size:clamp(2.25rem,5vw,4.8rem)}h2{font-size:clamp(1.55rem,3vw,2.45rem)}h3{font-size:1.08rem}.shell{width:var(--shell);margin-inline:auto}.narrow{max-width:820px}.skip-link{position:fixed;left:16px;top:-80px;z-index:999;background:var(--dark);color:white;padding:10px 14px;border-radius:10px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,250,.94);backdrop-filter:blur(15px);border-bottom:1px solid rgba(220,220,231,.85)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:42px;height:42px;border-radius:12px;object-fit:cover;background:var(--panel)}.brand-text{display:grid;line-height:1.2}.brand-text strong{font-size:1.08rem}.brand-text small{margin-top:4px;color:var(--muted);font-size:.72rem}.site-nav{display:flex;align-items:center;gap:6px}.nav-link{padding:10px 14px;border-radius:999px;color:#4f5160;font-weight:650}.nav-link:hover,.nav-link:focus-visible,.nav-link.is-active{background:white;color:var(--dark);box-shadow:0 5px 20px rgba(23,24,33,.07)}.menu-toggle{display:none;border:1px solid var(--line);background:white;border-radius:12px;padding:8px 12px}.site-main{min-height:60vh}.hero-section{padding:58px 0 52px;background:linear-gradient(180deg,#f3f2ff 0%,var(--paper) 82%)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(360px,.97fr);gap:48px;align-items:center}.eyebrow{margin:0 0 12px;color:var(--primary);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero-copy h1{max-width:760px}.hero-lead,.page-lead{font-size:1.08rem;color:#555866;max-width:760px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:12px;background:var(--primary);color:white;font-weight:760;box-shadow:0 12px 28px rgba(108,99,255,.22);transition:transform .18s ease,box-shadow .18s ease}.button:hover,.button:focus-visible{transform:translateY(-1px);box-shadow:0 16px 34px rgba(108,99,255,.28)}.button--ghost{background:white;color:var(--dark);box-shadow:inset 0 0 0 1px var(--line)}.button--small{padding:9px 13px;font-size:.92rem}.tag-row{display:flex;gap:9px;flex-wrap:wrap}.tag-link{padding:7px 11px;border-radius:999px;background:#fff;color:#5b5e6c;border:1px solid #e0dff0;font-size:.88rem}.hero-media{position:relative}.hero-media>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.hero-note{position:absolute;right:18px;bottom:18px;left:18px;padding:15px 16px;border-radius:16px;background:rgba(23,24,33,.84);color:white;backdrop-filter:blur(10px);display:grid;gap:2px}.hero-note span{font-size:.86rem;color:#d9d9e4}.content-section{padding:68px 0}.content-section--muted{background:var(--panel)}.content-section--dark{background:var(--dark);color:white}.section-heading{max-width:760px;margin-bottom:28px}.section-heading--split{max-width:none;display:flex;align-items:end;justify-content:space-between;gap:24px}.section-heading p:last-child{color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--primary);font-weight:760}.text-link::after{content:"→"}.text-link--light{color:#c9c5ff}.media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.media-grid--featured{grid-template-columns:repeat(3,minmax(0,1fr))}.media-card{background:white;border:1px solid rgba(220,220,231,.9);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 28px rgba(23,24,33,.05)}.media-card__cover{position:relative;display:block;background:#ddd}.media-card__cover img{width:100%;aspect-ratio:16/10;object-fit:cover}.media-card__kind{position:absolute;left:12px;top:12px;background:rgba(23,24,33,.78);color:white;padding:5px 8px;border-radius:8px;font-size:.72rem}.media-card__body{padding:17px}.media-card__body h3 a:hover{color:var(--primary)}.media-card__body p{color:var(--muted);font-size:.92rem}.media-card__meta{margin-bottom:7px!important;color:#8b8d99!important;font-size:.78rem!important}.media-card--compact .media-card__cover img{aspect-ratio:16/9}.split-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.72fr);gap:42px}.media-list{display:grid;gap:16px}.media-card--list{display:grid;grid-template-columns:200px 1fr;align-items:stretch}.media-card--list .media-card__cover img{height:100%;aspect-ratio:auto}.editor-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;height:max-content;position:sticky;top:105px}.editor-pick{padding:18px 0;border-top:1px solid var(--line)}.editor-pick:first-of-type{border-top:0}.editor-pick p{color:var(--muted);font-size:.92rem}.utility-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}.utility-grid>div{padding:28px;border:1px solid rgba(255,255,255,.11);border-radius:var(--radius);background:rgba(255,255,255,.035)}.utility-grid p{color:#c7c8d4}.site-footer{background:#111219;color:#d9dae2;padding:52px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:42px}.footer-brand{font-size:1.35rem;font-weight:800;color:white}.site-footer h2{font-size:1rem;color:white}.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px}.footer-links a:hover{color:white}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:20px;border-top:1px solid #292b35;color:#8f919f;font-size:.86rem}.page-hero{padding:48px 0 44px;background:#f0effb}.page-hero--official{background:#f5f2ff}.page-hero--web{background:#eef0f7}.page-heading{max-width:820px}.breadcrumb{margin-bottom:24px}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;color:#777986;font-size:.86rem}.breadcrumb li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa}.breadcrumb a:hover{color:var(--primary)}.result-count{color:var(--muted);font-size:.9rem}.watch-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.watch-card{display:grid;grid-template-columns:180px 1fr;background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden}.watch-card img{width:100%;height:100%;object-fit:cover;min-height:190px}.watch-card__body{padding:18px}.watch-card__top{display:flex;justify-content:space-between;gap:10px;color:#858794;font-size:.75rem;margin-bottom:8px}.watch-card p{color:var(--muted);font-size:.9rem}.prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}.prose-grid>div{background:rgba(255,255,255,.58);padding:24px;border-radius:18px}.official-hero-grid,.web-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}.official-hero-grid>img{border-radius:24px;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow)}.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.fact-grid article,.tip-grid article{background:white;border:1px solid var(--line);border-radius:18px;padding:22px}.fact-grid p,.tip-grid p{color:var(--muted)}.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:42px}.faq-list{display:grid;gap:10px}.faq-list details{background:white;border:1px solid var(--line);border-radius:14px;padding:4px 16px}.faq-list summary{cursor:pointer;font-weight:760;padding:14px 0}.faq-list details p{color:var(--muted);padding-bottom:10px}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-panel>div{max-width:760px}.device-stack{position:relative;min-height:420px}.device-stack img{position:absolute;border-radius:24px;object-fit:cover;box-shadow:var(--shadow)}.device-stack img:first-child{width:58%;right:4%;top:10%;aspect-ratio:3/4;z-index:2}.device-stack img:last-child{width:72%;left:0;bottom:0;aspect-ratio:16/11}.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.web-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.web-steps>div{background:white;border-radius:18px;padding:24px;border:1px solid var(--line)}.step-number{font-weight:900;color:var(--primary-soft);font-size:1.4rem}.browser-note{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:32px}.browser-note img{border-radius:18px}.error-panel{margin:80px 0;background:white;border:1px solid var(--line);border-radius:24px;padding:42px;box-shadow:var(--shadow)}
@media (max-width:980px){.hero-grid,.official-hero-grid,.web-hero-grid,.split-layout,.faq-layout{grid-template-columns:1fr}.media-grid,.media-grid--featured{grid-template-columns:repeat(2,1fr)}.watch-grid{grid-template-columns:1fr}.fact-grid,.tip-grid,.web-steps{grid-template-columns:1fr 1fr}.editor-panel{position:static}.device-stack{min-height:500px}.utility-grid,.prose-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.browser-note{grid-template-columns:1fr}.browser-note img{max-width:520px}}
@media (max-width:720px){:root{--shell:min(100% - 24px,1180px)}.header-inner{min-height:68px}.menu-toggle{display:block}.site-nav{position:absolute;left:12px;right:12px;top:72px;background:white;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.site-nav.is-open{display:flex}.nav-link{border-radius:10px}.hero-section{padding-top:34px}.hero-grid{gap:28px}.hero-media>img{border-radius:20px}.content-section{padding:48px 0}.media-grid,.media-grid--featured,.fact-grid,.tip-grid,.web-steps{grid-template-columns:1fr}.media-card--list{grid-template-columns:120px 1fr}.media-card--list .media-card__body{padding:14px}.section-heading--split,.cta-panel{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.watch-card{grid-template-columns:120px 1fr}.official-hero-grid>img{order:-1}.device-stack{min-height:390px}.device-stack img:first-child{width:52%}.device-stack img:last-child{width:78%}}
@media (max-width:460px){h1{font-size:2.25rem}.hero-note{position:static;margin-top:10px}.media-card--list,.watch-card{grid-template-columns:1fr}.media-card--list .media-card__cover img,.watch-card img{aspect-ratio:16/9;min-height:0}.button-row{display:grid;grid-template-columns:1fr}.button{width:100%}.device-stack{min-height:320px}.footer-bottom{font-size:.8rem}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
:focus-visible{outline:3px solid rgba(108,99,255,.38);outline-offset:3px}
/* Extended component states and resilient rendering */
.media-card,.watch-card,.fact-grid article,.tip-grid article,.web-steps>div{transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.media-card:hover,.watch-card:hover,.fact-grid article:hover,.tip-grid article:hover,.web-steps>div:hover{transform:translateY(-2px);border-color:#cbc9ef;box-shadow:0 14px 32px rgba(23,24,33,.08)}.tag-link:hover,.tag-link:focus-visible{border-color:#b9b4ff;color:#4f47d8;background:#f7f6ff}.watch-card:target{outline:3px solid rgba(245,158,91,.45);outline-offset:4px}.watch-card:target .watch-card__body{background:#fffaf6}.faq-list summary::marker{color:var(--primary)}.faq-list details[open]{border-color:#c8c4ff}.page-hero .tag-row{margin-top:22px}.page-hero--watch{background:linear-gradient(135deg,#efedff 0%,#f7f7fa 70%)}.page-hero--official{background:linear-gradient(135deg,#f3efff 0%,#f7f7fa 74%)}.page-hero--web{background:linear-gradient(135deg,#eef0f7 0%,#f7f7fa 74%)}.watch-card__body .text-link{font-size:.86rem}.site-nav a[aria-current="page"]{font-weight:800}.error-panel h1{font-size:clamp(2rem,5vw,3.4rem)}.error-panel p{color:var(--muted);max-width:640px}.footer-links a{display:inline-block;padding:2px 0}.footer-links a:focus-visible{color:white}.hero-copy .tag-row{margin-top:8px}.content-section--dark .eyebrow{color:#b9b4ff}.content-section--dark h2{color:white}.browser-note>div{max-width:760px}.result-count{padding:7px 11px;border-radius:999px;background:white;border:1px solid var(--line)}
@supports not (backdrop-filter:blur(10px)){.site-header{background:rgba(247,247,250,.99)}.hero-note{background:rgba(23,24,33,.94)}}
@media print{.site-header,.site-footer,.menu-toggle,.button-row,.tag-row{display:none!important}.site-main{min-height:0}.content-section,.page-hero,.hero-section{padding:20px 0;background:white!important}.shell{width:100%}.hero-grid,.official-hero-grid,.web-hero-grid,.split-layout,.faq-layout,.utility-grid,.prose-grid,.browser-note{display:block}.hero-media,.device-stack,.official-hero-grid>img,.browser-note img{display:none}.media-grid,.watch-grid,.fact-grid,.tip-grid,.web-steps{grid-template-columns:1fr 1fr}.media-card,.watch-card,.fact-grid article,.tip-grid article,.web-steps>div{break-inside:avoid;box-shadow:none}.editor-panel{position:static;box-shadow:none}.content-section--dark{color:var(--ink)!important}.content-section--dark p{color:var(--muted)!important}.text-link--light{color:var(--primary)}}