/*
Design reminder for every page using this stylesheet: Cyber-Folk Arcade for 国产.
Use frosting pink, esports ink black, neon tangerine and lake cyan; reinforce the video control-room feeling, avoid generic centered purple-gradient layouts, and keep the brand forward in headings, cards and navigation.
*/
:root{--ink:#090b17;--ink2:#12172a;--paper:#fff8fb;--pink:#ff6fae;--orange:#ff8b22;--cyan:#35d7e8;--muted:#aab4c8;--line:rgba(255,255,255,.14);--shadow:0 24px 70px rgba(0,0,0,.36)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 8% 3%,rgba(255,111,174,.18),transparent 26%),radial-gradient(circle at 82% 0,rgba(53,215,232,.16),transparent 23%),var(--ink);color:#f9fbff;font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;line-height:1.72}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.sr-only{position:absolute;left:-9999px}.topline{background:linear-gradient(90deg,var(--pink),var(--orange));color:#1a0810;text-align:center;font-weight:800;padding:.45rem 1rem;letter-spacing:.04em}.site-header{position:sticky;top:0;z-index:50;background:rgba(9,11,23,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:1240px;margin:auto;padding:.8rem 1.2rem}.brand-mark{display:flex;align-items:center;gap:.65rem;font-weight:900;font-size:1.25rem}.brand-mark img,.footer-logo{border-radius:30% 70% 54% 46%;box-shadow:0 0 24px rgba(255,111,174,.42)}.nav-links{display:flex;flex-wrap:wrap;gap:.35rem}.nav-link{padding:.55rem .78rem;border:1px solid transparent;border-radius:999px;color:#dbe4f6;font-size:.92rem}.nav-link:hover,.nav-link.active{border-color:rgba(53,215,232,.5);background:rgba(53,215,232,.08);color:#fff}.search-bar{max-width:1240px;margin:0 auto 1rem;padding:0 1.2rem;display:grid;grid-template-columns:1fr auto;gap:.7rem}.search-bar input{min-width:0;border:1px solid var(--line);background:rgba(255,255,255,.07);color:#fff;border-radius:16px;padding:.9rem 1rem;font-size:1rem}.search-bar button,.hero-actions a,.share-row button{border:0;border-radius:16px;background:linear-gradient(135deg,var(--orange),var(--pink));color:#130811;font-weight:900;padding:.9rem 1.1rem;box-shadow:0 10px 30px rgba(255,139,34,.22)}#search-tip{grid-column:1/-1;margin:0;color:var(--muted);font-size:.88rem}.hero{min-height:700px;background-size:cover;background-position:center;display:grid;grid-template-columns:minmax(0,1.15fr) 350px;gap:2rem;align-items:end;padding:5rem max(1.2rem,calc((100vw - 1240px)/2)) 4rem;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:auto -10% -18% -10%;height:190px;background:linear-gradient(180deg,transparent,var(--ink));pointer-events:none}.crumb{position:relative;z-index:1;color:#a8f7ff;font-size:.92rem;margin-bottom:1rem}.hero-copy,.hero-panel{position:relative;z-index:1}.eyebrow,.section-head p,.copy-block>p{color:var(--orange);font-weight:900;letter-spacing:.16em;text-transform:uppercase}.hero h1{font-size:clamp(2.4rem,6vw,5.8rem);line-height:.96;margin:.3rem 0 1.2rem;letter-spacing:-.08em;text-shadow:0 12px 45px rgba(0,0,0,.52)}.lead{font-size:1.08rem;max-width:780px;color:#e6ecfb}.hero-actions{display:flex;gap:.85rem;flex-wrap:wrap;margin-top:1.5rem}.hero-actions .ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25)}.hero-panel{background:linear-gradient(180deg,rgba(18,23,42,.88),rgba(18,23,42,.62));border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:1.4rem;clip-path:polygon(0 0,100% 7%,100% 100%,8% 100%)}.hero-panel h2{margin-top:0;color:#fff}.hero-panel p{display:flex;justify-content:space-between;border-bottom:1px dashed rgba(255,255,255,.14);padding:.55rem 0;margin:0}.channel-strip{display:flex;gap:1rem;overflow:hidden;padding:1.1rem max(1.2rem,calc((100vw - 1240px)/2));background:#fff;color:#111827;font-weight:900}.channel-strip span{white-space:nowrap;border:2px solid #111827;border-radius:999px;padding:.45rem 1rem;box-shadow:4px 4px 0 var(--pink)}.section{max-width:1240px;margin:0 auto;padding:5rem 1.2rem}.skew{margin-top:-1rem}.section-head{display:grid;grid-template-columns:240px 1fr;gap:1.4rem;align-items:start}.section h2{font-size:clamp(1.8rem,3.5vw,3.2rem);line-height:1.12;margin:.2rem 0 1.5rem;letter-spacing:-.05em}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}.video-grid.compact{grid-template-columns:repeat(2,1fr)}.video-card{position:relative;overflow:hidden;background:#10162a;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);transform:translateZ(0)}.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;filter:saturate(1.08)}.video-card:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 28%,rgba(9,11,23,.94));z-index:1;pointer-events:none}.video-info{position:relative;z-index:2;padding:1.2rem;margin-top:-7.5rem}.video-info h3,.video-info h2{font-size:1.18rem;line-height:1.28;margin:0 0 .5rem;color:#fff}.video-info p{color:#dfe8f7;margin:.4rem 0}.video-info span,.video-info em{display:block;color:#b8c7dc;font-style:normal;font-size:.88rem}.play-button{position:absolute;z-index:3;top:32%;left:50%;transform:translate(-50%,10px) scale(.92);opacity:0;border:0;border-radius:50%;width:66px;height:66px;background:rgba(255,139,34,.92);color:#18070b;font-weight:900;font-size:1.35rem;box-shadow:0 0 0 10px rgba(255,139,34,.18);transition:.25s}.video-card:hover .play-button,.video-card.is-hover .play-button{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-card:hover{border-color:rgba(53,215,232,.55)}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:2rem;align-items:center}.copy-block,.json-section,.ai,.howto,.partners,.contact,.reviews,.faq,.share,.experts,.page-hero{background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.035));border:1px solid 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b{display:inline-grid;place-items:center;background:var(--orange);color:#16080d;border-radius:50%;width:42px;height:42px}.logo-wall{grid-template-columns:repeat(6,1fr)}.contact{display:grid;grid-template-columns:1fr 420px;gap:1.4rem;align-items:center}.contact img{border-radius:24px;box-shadow:var(--shadow)}.review-grid{grid-template-columns:repeat(3,1fr)}blockquote{margin:0;background:rgba(255,255,255,.06);border-left:5px solid var(--pink);border-radius:18px;padding:1.1rem}cite{display:block;margin-top:.8rem;color:var(--cyan);font-style:normal}.faq details{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:18px;padding:1rem;margin:.75rem 0}.faq summary{font-weight:900;cursor:pointer}.share-row{display:flex;flex-wrap:wrap;gap:.8rem}.page-hero{max-width:1240px;margin:2rem auto 0}.page-hero h1{font-size:clamp(2.1rem,5vw,4.8rem);line-height:1;margin:.5rem 0;color:#fff}.site-footer{margin-top:4rem;background:#050712;border-top:1px solid var(--line);padding:3rem 1.2rem 1.2rem}.footer-grid{max-width:1240px;margin:auto;display:grid;grid-template-columns:1fr .8fr 1fr;gap:2rem}.qr-wrap{display:flex;gap:1rem;flex-wrap:wrap}.qr-wrap img{border-radius:18px;background:#fff;padding:.5rem}.update{color:var(--orange);font-weight:900}.9y8zSV,.copyright{max-width:1240px;margin:1.5rem auto 0;color:#aab4c8}.copyright{text-align:center;border-top:1px solid var(--line);padding-top:1rem}@media (max-width:900px){.nav-shell,.section-head,.hero,.split,.contact,.footer-grid{grid-template-columns:1fr}.nav-shell{align-items:flex-start}.nav-links{width:100%}.hero{min-height:auto;padding-top:3rem}.hero-panel{clip-path:none}.video-grid,.video-grid.compact,.expert-grid,.mini-cards,.steps,.logo-wall,.review-grid,.metric-row{grid-template-columns:1fr}.search-bar{grid-template-columns:1fr}.search-bar button{width:100%}.section{padding:3rem 1rem}.footer-grid{display:block}.qr-wrap{margin-top:1rem}}@media (prefers-reduced-motion:no-preference){.video-card,.mini-cards article,.expert-grid article{transition:transform .25s ease,border-color .25s ease}.video-card:hover,.mini-cards article:hover,.expert-grid article:hover{transform:translateY(-6px)}.channel-strip span{animation:softGlow 4s ease-in-out infinite alternate}@keyframes softGlow{from{box-shadow:4px 4px 0 var(--pink)}to{box-shadow:8px 8px 0 var(--cyan)}}}

/* 国产 SEO/EEAT repair layer: keep brand-forward headings, readable H5 video cards, mobile-first trust modules, and non-intrusive ads. */
.trust-note{max-width:760px;border-left:5px solid var(--cyan);background:rgba(53,215,232,.10);padding:1rem 1.1rem;border-radius:0 18px 18px 0;color:#f6fdff}.h5-video-demo{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.eeat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.eeat-grid article{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:24px;padding:1.2rem}.eeat-grid h4,.eeat-grid h5,.eeat-grid h6{font-size:1rem;margin:1rem 0 .35rem;color:#a8f7ff;letter-spacing:.02em}.sub-eeat{margin-top:2rem}@media (max-width:900px){.eeat-grid{grid-template-columns:1fr}.trust-note{font-size:.96rem}.channel-strip{overflow-x:auto}}

/* 国产视频索引模块：服务百度视频语义、移动端可读性与非堆砌关键词展示。 */
.video-index{position:relative;overflow:hidden}.video-index::before{content:"";position:absolute;right:-90px;top:30px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,139,34,.22),transparent 68%);pointer-events:none}.seo-table{width:100%;border-collapse:separate;border-spacing:0;margin-top:1rem;overflow:hidden;border-radius:22px;border:1px solid var(--line);background:rgba(255,255,255,.06)}.seo-table th,.seo-table td{text-align:left;padding:1rem;border-bottom:1px solid rgba(255,255,255,.12);vertical-align:top}.seo-table th{color:#14080d;background:linear-gradient(90deg,var(--orange),var(--pink));font-weight:900}.seo-table tr:last-child td{border-bottom:0}.seo-table td:nth-child(2){color:#a8f7ff;font-weight:800}@media (max-width:760px){.seo-table,.seo-table thead,.seo-table tbody,.seo-table tr,.seo-table th,.seo-table td{display:block}.seo-table thead{position:absolute;left:-9999px}.seo-table tr{padding:.75rem;border-bottom:1px solid rgba(255,255,255,.12)}.seo-table td{border:0;padding:.4rem 0}.seo-table td::before{display:block;color:#ffb987;font-size:.78rem;font-weight:900;letter-spacing:.08em}.seo-table td:nth-child(1)::before{content:"国产栏目"}.seo-table td:nth-child(2)::before{content:"视频形式"}.seo-table td:nth-child(3)::before{content:"百度SEO说明"}}