/*
Design Reminder: 少儿漫画采用“赛道构成主义”。本 CSS 必须强化斜切赛道布局、深沥青黑、热胎橙、电弧青、视频时间码胶囊与仪表盘式数据表达；避免普通居中堆叠、紫色泛渐变和统一圆角模板感。
*/
:root{--asphalt:#090b0f;--panel:#111722;--panel2:#151d29;--line:#223040;--text:#f3f7fb;--muted:#aab5c4;--orange:#ff6a1a;--cyan:#18d7e6;--white:#fff;--shadow:0 24px 70px rgba(0,0,0,.38);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 82% 8%,rgba(24,215,230,.12),transparent 28%),radial-gradient(circle at 18% 20%,rgba(255,106,26,.13),transparent 24%),var(--asphalt);color:var(--text);font-family:"Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.72}.noise-track{position:absolute!important;left:-9999px!important;top:auto!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:.001!important;pointer-events:none!important}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3,h4,h5,h6{font-family:"Arial Narrow","Impact","Microsoft YaHei",system-ui,sans-serif;letter-spacing:.03em;line-height:1.16;margin:0 0 16px}.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(9,11,15,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}.nav{height:auto;min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0}.brand{display:flex;align-items:center;gap:12px}.brand img{width:142px;height:auto}.site-mark{width:38px;height:38px;border:1px solid rgba(24,215,230,.45);clip-path:polygon(18% 0,100% 0,82% 100%,0 100%);background:#111722;padding:3px}.navlinks{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.navlinks a{font-size:14px;color:#dce6ef;padding:8px 11px;border:1px solid transparent;transition:.25s}.navlinks a:hover,.navlinks a.active{border-color:rgba(255,106,26,.45);color:var(--orange);background:rgba(255,106,26,.08)}.searchbar{border-top:1px solid rgba(255,255,255,.06);padding:13px 0 16px}.searchbox{display:flex;gap:10px;background:linear-gradient(90deg,rgba(17,23,34,.9),rgba(17,23,34,.55));border:1px solid rgba(24,215,230,.25);padding:8px;clip-path:polygon(0 0,98% 0,100% 100%,2% 100%)}.searchbox input{flex:1;background:transparent;border:0;color:var(--text);outline:0;padding:9px 12px;font-size:15px}.searchbox button,.btn{border:0;background:linear-gradient(135deg,var(--orange),#ff9a3b);color:#160c06;font-weight:800;padding:11px 18px;clip-path:polygon(12px 0,100% 0,calc(100% - 12px) 100%,0 100%);transition:.25s;box-shadow:0 12px 28px rgba(255,106,26,.22)}.searchbox button:hover,.btn:hover{transform:translateY(-2px)}.hero{position:relative;min-height:640px;display:grid;align-items:end;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.08)}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,11,15,.96) 0%,rgba(9,11,15,.68) 42%,rgba(9,11,15,.12) 100%),url('../images/hero-racing.webp') center/cover no-repeat}.hero:after{content:"";position:absolute;inset:auto 0 0 0;height:150px;background:linear-gradient(0deg,var(--asphalt),transparent)}.hero-inner{position:relative;z-index:2;padding:88px 0 84px;display:grid;grid-template-columns:1.1fr .72fr;gap:38px;align-items:end}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-weight:800;text-transform:uppercase;letter-spacing:.14em;font-size:12px;margin-bottom:18px}.eyebrow:before{content:"";width:38px;height:3px;background:var(--orange)}.hero h1{font-size:clamp(42px,7vw,86px);max-width:860px}.hero p{font-size:18px;color:#d6e1eb;max-width:760px}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.stat{background:rgba(17,23,34,.72);border:1px solid rgba(255,255,255,.1);padding:18px;clip-path:polygon(0 0,100% 0,92% 100%,0 100%)}.stat b{display:block;font-size:30px;color:var(--orange);font-family:"Arial Narrow",Impact,sans-serif}.stat span{color:#bdc8d6;font-size:13px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.btn.secondary{background:transparent;border:1px solid rgba(24,215,230,.55);color:var(--cyan);box-shadow:none}.section{padding:82px 0;position:relative}.section.skew{background:linear-gradient(135deg,rgba(17,23,34,.98),rgba(12,17,24,.92));clip-path:polygon(0 5%,100% 0,100% 95%,0 100%);padding:118px 0;margin:-34px 0}.section-head{display:grid;grid-template-columns:.72fr 1fr;gap:34px;margin-bottom:34px;align-items:end}.section-head h2{font-size:clamp(30px,4.6vw,58px)}.section-head p{color:#b8c5d2}.tagrow{display:flex;flex-wrap:wrap;gap:8px}.tag{font-size:12px;border:1px solid rgba(24,215,230,.35);color:#cceff2;padding:5px 9px;background:rgba(24,215,230,.06)}.grid{display:grid;gap:18px}.grid.four{grid-template-columns:repeat(4,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.card{background:linear-gradient(180deg,rgba(21,29,41,.98),rgba(13,18,27,.98));border:1px solid rgba(255,255,255,.09);box-shadow:var(--shadow);padding:22px;position:relative;overflow:hidden}.card:before{content:"";position:absolute;right:-32px;top:-30px;width:120px;height:80px;border-top:3px solid rgba(255,106,26,.48);transform:rotate(-18deg)}.feature-card h3,.card h3{color:#fff;font-size:24px}.feature-card p,.card p{color:#b9c5d4}.video-card{padding:0;transition:.28s;transform-origin:center}.video-thumb{height:192px;background:linear-gradient(135deg,#1d2735,#0a0d13);position:relative;overflow:hidden}.video-thumb:before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(255,106,26,.22),transparent 35%),linear-gradient(-40deg,rgba(24,215,230,.18),transparent 42%)}.video-thumb .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.72);width:66px;height:66px;border:2px solid rgba(255,255,255,.75);border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.35);opacity:.05;transition:.25s}.play:after{content:"";border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:5px}.video-card:hover{transform:translateY(-8px) rotate(-.7deg);border-color:rgba(255,106,26,.55)}.video-card:hover .play{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-body{padding:20px}.meta{display:flex;flex-wrap:wrap;gap:9px;color:#94a4b6;font-size:13px}.meta span{background:rgba(255,255,255,.06);padding:4px 7px}.image-panel{min-height:360px;background:center/cover no-repeat;border:1px solid rgba(255,255,255,.09);box-shadow:var(--shadow);clip-path:polygon(0 0,100% 0,92% 100%,0 100%)}.image-panel.workshop{background-image:linear-gradient(90deg,rgba(9,11,15,.22),rgba(9,11,15,.05)),url('../images/workshop-experts.webp')}.image-panel.community{background-image:linear-gradient(90deg,rgba(9,11,15,.2),rgba(9,11,15,.06)),url('../images/video-community.webp')}.image-panel.ai{background-image:linear-gradient(90deg,rgba(9,11,15,.25),rgba(9,11,15,.07)),url('../images/ai-modification.webp')}.expert{display:grid;grid-template-columns:72px 1fr;gap:16px}.avatar{width:72px;height:72px;background:linear-gradient(135deg,var(--orange),var(--cyan));clip-path:polygon(18% 0,100% 0,82% 100%,0 100%);display:grid;place-items:center;color:#081015;font-weight:900;font-size:28px}.expert-actions{display:flex;gap:10px;margin-top:12px}.mini{font-size:12px;border:1px solid rgba(24,215,230,.45);padding:6px 10px;color:var(--cyan)}.partner-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.partner-logo{height:78px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.1);background:repeating-linear-gradient(-35deg,rgba(255,255,255,.04) 0 8px,transparent 8px 18px),rgba(17,23,34,.9);color:#e8f1f8;font-weight:800}.steps{counter-reset:step}.step{counter-increment:step;padding-left:64px}.step:after{content:counter(step);position:absolute;left:18px;top:18px;width:34px;height:34px;background:var(--orange);color:#111;display:grid;place-items:center;font-weight:900}.faq-item{border-bottom:1px solid rgba(255,255,255,.12);padding:16px 0}.faq-q{width:100%;background:transparent;border:0;color:#fff;font-size:18px;text-align:left;font-weight:800;padding:0;display:flex;justify-content:space-between}.faq-a{max-height:0;overflow:hidden;color:#b9c5d4;transition:max-height .25s ease}.faq-item.open .faq-a{max-height:180px}.contact-box{display:grid;grid-template-columns:1fr .8fr;gap:22px}.qr-row{display:flex;gap:18px;flex-wrap:wrap}.qr{width:132px;background:#fff;padding:8px;color:#111;text-align:center}.share{display:flex;gap:10px;flex-wrap:wrap}.share button{background:#121a26;border:1px solid rgba(255,255,255,.12);color:#e9f3fb;padding:9px 12px}.footer{background:#05070a;border-top:1px solid rgba(255,255,255,.1);padding:44px 0}.footer-inner{display:grid;grid-template-columns:1fr .8fr;gap:28px;align-items:start}.breadcrumb{font-size:13px;color:#a9b6c4;margin:26px 0}.page-hero{padding:72px 0 54px;background:linear-gradient(135deg,rgba(255,106,26,.12),transparent 38%),linear-gradient(225deg,rgba(24,215,230,.13),transparent 35%),#0c1119;border-bottom:1px solid rgba(255,255,255,.08)}.page-hero h1{font-size:clamp(36px,6vw,68px)}.lazy-note{color:#92a3b6;font-size:13px}.json-block{background:#071017;border:1px solid rgba(24,215,230,.2);padding:16px;white-space:pre-wrap;overflow:auto;color:#b9f4f7;font-size:12px;max-height:230px}@media (max-width:920px){.nav{align-items:flex-start;flex-direction:column}.hero-inner,.section-head,.contact-box,.footer-inner{grid-template-columns:1fr}.grid.four,.grid.three,.grid.two,.partner-wall{grid-template-columns:1fr 1fr}.hero{min-height:auto}.hero-inner{padding-top:120px}.stat-grid{grid-template-columns:1fr 1fr}}@media (max-width:620px){.wrap{width:min(100% - 22px,var(--max))}.grid.four,.grid.three,.grid.two,.partner-wall{grid-template-columns:1fr}.searchbox{clip-path:none;flex-direction:column}.hero h1{font-size:40px}.section{padding:56px 0}.section.skew{clip-path:none;margin:0;padding:64px 0}.video-thumb{height:172px}.brand img{width:126px}.stat-grid{grid-template-columns:1fr}.partner-wall{grid-template-columns:1fr 1fr}.contact-box{gap:14px}}

.heading-ladder{padding:22px 0;color:#d8e7ef}.heading-ladder h4,.heading-ladder h5,.heading-ladder h6{margin:6px 0;color:#d8e7ef}.heading-ladder h4{font-size:20px}.heading-ladder h5{font-size:17px}.heading-ladder h6{font-size:14px;color:#95a8b6}


/* 二次SEO/EEAT整改：赛道构成主义继续使用斜切赛道、热胎橙、电弧青和深沥青背景，新增可信内容、产品文章与面包屑模块。 */
.breadcrumb{font-size:13px;color:#91a8b6;padding-top:18px;padding-bottom:4px}.breadcrumb a{color:#f26b2f;text-decoration:none}.breadcrumb span{margin:0 8px;color:#546979}.eeat-panel{position:relative}.eeat-grid .card{border-left:3px solid #16d1c8}.editorial-note{margin-top:18px;padding:16px 18px;background:rgba(242,107,47,.10);border:1px solid rgba(242,107,47,.28);color:#d7e8ef;line-height:1.9}.seo-supply .info-table{width:100%;border-collapse:collapse;margin-top:12px}.seo-supply th,.seo-supply td{border-bottom:1px solid rgba(255,255,255,.12);padding:12px 8px;text-align:left;vertical-align:top}.seo-supply th{color:#ffb086}.article-card p{line-height:1.9}.mock-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92;filter:saturate(1.05) contrast(1.05)}.video-card:hover .mock-video{filter:saturate(1.35) contrast(1.15);transform:scale(1.04)}.video-thumb{overflow:hidden}.video-thumb:after{content:'视频预览';position:absolute;left:14px;bottom:12px;font-size:12px;color:#fff;background:rgba(0,0,0,.55);padding:5px 9px;border-radius:999px}.page-hero .tagrow,.hero .tagrow{flex-wrap:wrap}@media (max-width:760px){.breadcrumb{padding-top:12px}.seo-supply th,.seo-supply td{display:block;width:100%;padding:8px 0}.editorial-note{font-size:13px}.mock-video{min-height:150px}}