/* ═══════ 趣见Live 全站公共样式（浅色主题） ═══════ */
:root{--primary:#6D28D9;--primary-light:#8B5CF6;--primary-soft:#EDE9FE;
--accent:#0891B2;--accent-soft:#E0F2FE;--bg:#F6F7FB;--card:#fff;
--border:rgba(139,92,246,.18);--text:#1F2937;--muted:#6B7280;
--shadow:0 4px 20px rgba(109,40,217,.08);--shadow-hover:0 8px 30px rgba(109,40,217,.18);
--radius:14px;--nav-h:64px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;
background-image:linear-gradient(rgba(109,40,217,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(109,40,217,.04) 1px,transparent 1px);background-size:48px 48px}
a{text-decoration:none;color:inherit}ul{list-style:none}
img,video{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
main{padding-top:var(--nav-h);min-height:60vh}

/* ─── 头部导航 ─── */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:100%;display:flex;align-items:center;gap:18px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;flex-shrink:0}
.brand-logo{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
color:#fff;font-size:14px;font-weight:900;background:linear-gradient(135deg,#7C3AED,#6366F1);box-shadow:0 3px 10px rgba(124,58,237,.35)}
.brand em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:20px;font-size:15px;flex-shrink:0}
.nav-links a{color:var(--muted);position:relative;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:3px;
border-radius:3px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.nav-search{display:flex;align-items:center;gap:6px;margin-left:auto;background:#F3F4F6;border:1.5px solid transparent;
border-radius:999px;padding:4px 4px 4px 14px;width:200px;min-width:0;transition:.25s}
.nav-search:focus-within{background:#fff;border-color:var(--primary-light);box-shadow:0 0 0 4px rgba(139,92,246,.12)}
.nav-search svg{width:15px;height:15px;stroke:var(--muted);flex-shrink:0}
.nav-search input{flex:1;min-width:0;border:none;background:none;outline:none;font-size:13px;font-family:inherit;color:var(--text)}
.nav-search input::placeholder{color:#9CA3AF}
.nav-search button{border:none;cursor:pointer;font-family:inherit;flex-shrink:0;
background:linear-gradient(135deg,#7C3AED,#6366F1);color:#fff;font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;transition:.2s}
.nav-search button:hover{box-shadow:0 3px 10px rgba(124,58,237,.4)}
.header-badge{display:inline-flex;align-items:center;gap:5px;flex-shrink:0;white-space:nowrap;
font-size:12px;font-weight:600;color:#059669;background:#ECFDF5;border:1px solid #A7F3D0;padding:5px 12px;border-radius:999px}
.header-badge svg{width:13px;height:13px;stroke:#059669;flex-shrink:0}
.nav-auth{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-auth>a:not(.btn){color:var(--muted);font-size:15px;white-space:nowrap;transition:color .2s}
.nav-auth>a:not(.btn):hover{color:var(--primary)}
.nav-auth .btn{padding:7px 20px;white-space:nowrap}
.nav-user{color:var(--primary);font-size:14px;font-weight:600;white-space:nowrap}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-shrink:0}
.hamburger svg{width:26px;height:26px;stroke:var(--text)}
.mobile-menu{display:none;background:#fff;border-bottom:1px solid var(--border);padding:14px 20px 18px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 4px;color:var(--text);border-bottom:1px dashed var(--border)}
.mobile-menu a.active{color:var(--primary);font-weight:600}
.mobile-menu .btn{width:100%;margin-top:12px;text-align:center}
.mobile-menu .nav-search{display:flex;width:100%;margin-bottom:12px}
.mobile-menu .header-badge{display:inline-flex;margin-bottom:10px}

/* ─── 按钮 ─── */
.btn{display:inline-block;border:none;cursor:pointer;font-size:15px;padding:10px 26px;
border-radius:999px;font-weight:600;transition:all .25s;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,#7C3AED,#6366F1);color:#fff;box-shadow:0 4px 14px rgba(124,58,237,.35)}
.btn-primary:hover{box-shadow:0 6px 22px rgba(124,58,237,.5);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--primary);border:1.5px solid var(--primary-light)}
.btn-outline:hover{background:var(--primary-soft);transform:translateY(-2px)}
.btn-sm{padding:7px 20px;font-size:14px}
.btn-block{width:100%;text-align:center;padding:13px;font-size:16px}

/* ─── 区块/卡片/标签 ─── */
.section{padding:72px 0}
.section-title{font-size:30px;font-weight:800;text-align:center}
.section-title::after{content:'';display:block;width:52px;height:4px;margin:12px auto 0;
border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.section-sub{text-align:center;color:var(--muted);font-size:14px;letter-spacing:2px;margin:6px 0 44px;text-transform:uppercase}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.tag{font-size:12px;padding:3px 12px;border-radius:999px;font-weight:500}
.tag-purple{background:var(--primary-soft);color:var(--primary)}
.tag-cyan{background:var(--accent-soft);color:var(--accent)}
.tag-indigo{background:#E0E7FF;color:#4F46E5}
.tag-muted{background:#F3F4F6;color:var(--muted)}

/* ─── Hero ─── */
.hero{position:relative;overflow:hidden;padding:80px 0 90px;background:linear-gradient(180deg,#FFF 0%,#F3EEFF 100%)}
.hero-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35;pointer-events:none}
.hero-blob.b1{width:420px;height:420px;background:#C4B5FD;top:-120px;right:-80px}
.hero-blob.b2{width:360px;height:360px;background:#A5F3FC;bottom:-140px;left:-100px}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);
background:var(--accent-soft);border:1px solid rgba(8,145,178,.25);padding:6px 16px;border-radius:999px;margin-bottom:22px}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:52px;line-height:1.2;font-weight:900}
.hero h1 span{background:linear-gradient(90deg,#7C3AED,#0891B2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:17px;margin:22px 0 34px;max-width:480px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-preview{background:#fff;border-radius:18px;padding:18px;border:1px solid var(--border);box-shadow:var(--shadow-hover)}
.hero-screen{aspect-ratio:16/9;border-radius:12px;background:linear-gradient(135deg,#EDE9FE 0%,#E0F2FE 100%);
display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.hero-screen svg{width:64px;height:64px;fill:var(--primary);opacity:.55}
.hero-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:12px}
.hero-meta b{color:var(--accent)}
.tag-row{display:flex;gap:8px}

/* ─── 卡片网格（公司介绍/优势） ─── */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.contact-card{padding:26px;transition:all .25s}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.contact-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.contact-icon svg{width:22px;height:22px}
.ci-purple{background:var(--primary-soft)}.ci-purple svg{stroke:var(--primary)}
.ci-cyan{background:var(--accent-soft)}.ci-cyan svg{stroke:var(--accent)}
.ci-indigo{background:#E0E7FF}.ci-indigo svg{stroke:#4F46E5}
.contact-card small{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.contact-card p{font-size:14.5px;font-weight:500}
.about-intro{padding:36px 40px;margin-bottom:28px}
.about-intro h3{color:var(--primary);font-size:22px;margin-bottom:14px}
.about-intro p{color:#4B5563;margin-bottom:14px}
.about-intro p:last-child{margin-bottom:0}

/* ─── CTA ─── */
.cta-band{background:linear-gradient(120deg,#F3EEFF 0%,#E0F2FE 100%);border:1px solid var(--border);
border-radius:20px;padding:48px 40px;text-align:center}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{color:var(--muted);margin-bottom:26px}

/* ─── 表演中心 ─── */
.video-cats{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.vcat{display:inline-block;padding:7px 20px;border-radius:999px;font-size:13.5px;font-weight:600;
color:var(--muted);background:#fff;border:1px solid var(--border);transition:all .2s}
.vcat:hover{color:var(--primary);border-color:var(--primary-light);background:var(--primary-soft)}
.vcat.on{color:#fff;background:linear-gradient(135deg,#7C3AED,#6366F1);border-color:transparent;
box-shadow:0 3px 10px rgba(124,58,237,.35)}
.watch-notice{padding:28px 30px;margin-top:6px}
.watch-notice h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.watch-notice h3 svg{width:18px;height:18px;stroke:var(--accent);flex-shrink:0}
.watch-notice ul{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 28px}
.watch-notice li{display:flex;gap:8px;font-size:13.5px;color:var(--muted);align-items:flex-start;line-height:1.7}
.watch-notice li svg{width:15px;height:15px;stroke:#10B981;flex-shrink:0;margin-top:4px}
@media(max-width:640px){.watch-notice ul{grid-template-columns:1fr}}


/* ─── 登录/注册页 ─── */
.auth-main{padding:calc(var(--nav-h) + 48px) 20px 64px;min-height:100vh;
display:flex;align-items:flex-start;justify-content:center}
.auth-card{display:grid;grid-template-columns:1fr 1.25fr;max-width:960px;width:100%;
border-radius:20px;overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--border);background:#fff}
.auth-side{color:#fff;padding:46px 40px;display:flex;flex-direction:column;position:relative;overflow:hidden;
background:linear-gradient(160deg,#7C3AED 0%,#6366F1 55%,#0891B2 120%)}
.auth-side.alt{background:linear-gradient(160deg,#0891B2 0%,#6366F1 60%,#7C3AED 130%)}
.auth-side::before{content:'';position:absolute;width:260px;height:260px;border-radius:50%;
background:rgba(255,255,255,.08);top:-80px;right:-80px}
.auth-side::after{content:'';position:absolute;width:180px;height:180px;border-radius:50%;
background:rgba(255,255,255,.06);bottom:-60px;left:-60px}
.auth-side>*{position:relative;z-index:1}
.auth-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;margin-bottom:34px}
.auth-brand .brand-logo{box-shadow:none;background:rgba(255,255,255,.2)}
.auth-side h2{font-size:27px;font-weight:800;line-height:1.35}
.auth-side .side-sub{opacity:.85;font-size:14px;margin-top:12px}
.auth-benefits{margin-top:30px}
.auth-benefits li{display:flex;gap:10px;margin-top:16px;font-size:14px;align-items:flex-start}
.auth-benefits svg{width:18px;height:18px;stroke:#fff;flex-shrink:0;margin-top:3px}
.auth-compliance{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.25);
font-size:12px;opacity:.8;display:flex;flex-direction:column;gap:4px}
.auth-form-area{padding:46px 44px}
.auth-form-area h2{font-size:26px;font-weight:800}
.auth-sub{color:var(--muted);font-size:14px;margin:8px 0 28px}
.auth-switch{text-align:center;font-size:14px;color:var(--muted);margin-top:22px}
.auth-switch a{color:var(--primary);font-weight:600}
.auth-switch a:hover{text-decoration:underline}
.form-row-between{display:flex;justify-content:space-between;align-items:center;margin:2px 0 18px;font-size:13px}
.remember{display:flex;align-items:center;gap:6px;color:var(--muted);cursor:pointer}
.remember input{accent-color:var(--primary)}
.forgot{color:var(--accent)}
.forgot:hover{text-decoration:underline}
.pwd-wrap{position:relative}
.pwd-wrap input{padding-right:46px}
.eye-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;
color:#9CA3AF;display:flex;padding:2px}
.eye-btn:hover{color:var(--primary)}
.pwd-strength{display:flex;gap:5px;margin-top:7px}
.pwd-strength i{height:4px;flex:1;border-radius:2px;background:#E5E7EB;transition:background .2s}
.pwd-strength i.s1{background:#EF4444}.pwd-strength i.s2{background:#F59E0B}.pwd-strength i.s3{background:#10B981}
.pwd-strength-text{font-size:12px;margin-top:4px;color:var(--muted)}
.divider{display:flex;align-items:center;gap:12px;color:#9CA3AF;font-size:12px;margin-top:26px}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:#E5E7EB}
.social-row{display:flex;gap:12px;margin-top:18px}
.social-row button{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;
border-radius:10px;border:1.5px solid #E5E7EB;background:#FAFAFC;font-family:inherit;font-size:13.5px;color:var(--text);cursor:pointer;transition:.2s}
.social-row button:hover{border-color:var(--primary-light);background:var(--primary-soft)}
.social-row svg{width:18px;height:18px}
.minor-tip{font-size:12.5px;color:var(--muted);background:var(--accent-soft);
border:1px solid rgba(8,145,178,.2);border-radius:10px;padding:10px 14px;margin-bottom:18px;line-height:1.7}

/* ─── 表单 ─── */
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.form-group input{width:100%;padding:11px 14px;font-size:14px;font-family:inherit;
border:1.5px solid #E5E7EB;border-radius:10px;background:#FAFAFC;transition:.2s;color:var(--text)}
.form-group input:focus{outline:none;border-color:var(--primary-light);background:#fff;box-shadow:0 0 0 4px rgba(139,92,246,.15)}
.form-agree{display:flex;gap:8px;font-size:12.5px;color:var(--muted);align-items:flex-start;margin:4px 0 16px;cursor:pointer}
.form-agree input{accent-color:var(--primary);margin-top:3px}
.form-agree a{color:var(--accent);text-decoration:underline}
.form-msg{font-size:13px;color:#DC2626;margin-bottom:12px;display:none}
.form-msg.show{display:block}

/* ─── 制度文档页 ─── */
.doc-hero{background:linear-gradient(180deg,#FFF 0%,#F3EEFF 100%);
border-bottom:1px solid var(--border);padding:calc(var(--nav-h) + 52px) 20px 42px;text-align:center}
.doc-tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--accent);
background:var(--accent-soft);border:1px solid rgba(8,145,178,.25);padding:6px 16px;border-radius:999px;margin-bottom:18px}
.doc-hero h1{font-size:30px;font-weight:800}
.doc-en{color:var(--muted);font-size:13px;letter-spacing:2px;margin-top:6px;text-transform:uppercase}
.doc-meta{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:22px}
.doc-chip{font-size:12.5px;color:var(--muted);background:#fff;border:1px solid var(--border);
border-radius:999px;padding:6px 16px;max-width:640px}
.doc-chip b{color:var(--text);font-weight:600}
.doc-layout{display:grid;grid-template-columns:232px 1fr;gap:32px;
max-width:1200px;margin:0 auto;padding:44px 20px 72px;align-items:start}
.doc-toc{position:sticky;top:calc(var(--nav-h) + 20px);background:#fff;
border:1px solid var(--border);border-radius:14px;padding:16px 0;box-shadow:var(--shadow)}
.doc-toc .toc-title{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:2px;
padding:0 20px 10px;text-transform:uppercase}
.doc-toc a{display:block;padding:9px 20px;font-size:13.5px;color:var(--muted);
border-left:3px solid transparent;transition:all .2s}
.doc-toc a:hover{color:var(--primary);background:var(--primary-soft)}
.doc-toc a.on{color:var(--primary);border-left-color:var(--primary);font-weight:600;background:var(--primary-soft)}
.doc-content{background:#fff;border:1px solid var(--border);border-radius:14px;
box-shadow:var(--shadow);padding:46px 50px}
.doc-chapter{margin-bottom:46px;scroll-margin-top:calc(var(--nav-h) + 24px)}
.doc-chapter:last-child{margin-bottom:0}
.doc-chapter h2{font-size:20px;color:var(--primary);padding-bottom:10px;
border-bottom:2px solid var(--primary-soft);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.doc-chapter h2::before{content:'';width:6px;height:20px;border-radius:3px;
background:linear-gradient(180deg,var(--primary),var(--accent))}
.article{font-size:14.5px;color:#374151;line-height:1.95;margin-bottom:14px}
.article .art-no{color:var(--text);font-weight:700;margin-right:4px}
.article ul.num-list{margin-top:10px}
.article ul.num-list li{position:relative;padding-left:26px;margin-bottom:7px}
.article ul.num-list li::before{content:attr(data-no);position:absolute;left:0;
font-weight:600;color:var(--primary-light);font-size:13.5px}
.article ul.num-list li b{color:var(--text)}
.redline{background:#FEF2F2;border:1px solid #FECACA;border-radius:12px;padding:20px 24px;margin-top:12px}
.redline .rl-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#B91C1C;margin-bottom:12px}
.redline .rl-title svg{width:16px;height:16px;stroke:#B91C1C}
.redline ol{margin-left:22px}
.redline ol li{color:#7F1D1D;font-size:14px;line-height:1.9;margin-bottom:6px;padding-left:4px}
.redline ol li::marker{color:#DC2626;font-weight:700}
.grayline{background:#FFFBEB;border:1px solid #FDE68A;border-radius:12px;padding:20px 24px;margin-top:12px}
.grayline .rl-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#92400E;margin-bottom:12px}
.grayline .rl-title svg{width:16px;height:16px;stroke:#B45309}
.grayline ol{margin-left:22px}
.grayline ol li{color:#78350F;font-size:14px;line-height:1.9;margin-bottom:6px;padding-left:4px}
.grayline ol li::marker{color:#D97706;font-weight:700}
.redline+.redline,.redline+.grayline{margin-top:14px}
.doc-claim{margin-top:44px;background:var(--accent-soft);border:1px solid rgba(8,145,178,.25);
border-radius:12px;padding:18px 24px;font-size:13px;color:#0E7490;line-height:1.9}

/* ─── 页脚 ─── */
.site-footer{background:#fff;border-top:1px solid var(--border);padding:56px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:40px;padding-bottom:36px}
.footer-grid h4{font-size:15px;margin-bottom:16px}
.footer-grid p,.footer-grid li{font-size:13.5px;color:var(--muted);line-height:1.9}
.footer-grid a:hover{color:var(--primary)}
.footer-compliance li{display:flex;align-items:center;gap:8px}
.footer-compliance li::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--primary-light)}
.footer-bottom{border-top:1px solid var(--border);text-align:center;padding:20px;
font-size:13px;color:var(--muted);background:#FBFAFF}
.footer-bottom a{color:var(--primary);font-weight:500}
.footer-bottom a:hover{text-decoration:underline}
.footer-tip{font-size:12px;color:#9CA3AF;margin-top:6px}

/* ─── 响应式 ─── */
@media(max-width:1180px){.nav-inner{gap:12px}.nav-links{gap:14px}.nav-search{width:150px}.nav-auth{gap:12px}}
@media(max-width:1060px){.site-header .header-badge{display:none}}
@media(max-width:992px){
.nav-links,.nav-search,.site-header .header-badge,.nav-auth{display:none}
.hamburger{display:block}
.mobile-menu .nav-user{display:block;padding:11px 4px}
.hero-grid{grid-template-columns:1fr}.hero h1{font-size:38px}.hero-preview{display:none}
.contact-grid{grid-template-columns:1fr}
.video-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr;gap:28px}
.doc-layout{grid-template-columns:1fr;padding:32px 16px 56px}
.doc-toc{position:static;display:flex;flex-wrap:wrap;padding:10px;gap:2px}
.doc-toc .toc-title{display:none}
.doc-toc a{border-left:none;border-radius:8px;padding:8px 12px}
.doc-toc a.on{background:var(--primary-soft)}
.doc-content{padding:30px 24px}.doc-hero h1{font-size:23px}}
@media(max-width:860px){
.auth-card{grid-template-columns:1fr}.auth-side{display:none}.auth-form-area{padding:36px 26px}}
@media(max-width:576px){
.section{padding:52px 0}.hero{padding:52px 0 60px}.hero h1{font-size:31px}
.section-title{font-size:24px}.video-grid{grid-template-columns:1fr}
.about-intro{padding:26px 22px}.cta-band{padding:36px 22px}}
@media print{
.site-header,.doc-toc,.site-footer,.doc-tag,.hamburger{display:none}
body{background:#fff}.doc-hero{padding:20px 0}
.doc-layout{grid-template-columns:1fr;padding:0}
.doc-content{border:none;box-shadow:none;padding:0}}
/* 未成年人保护徽章（琥珀色，与自审自度绿色区分） */
.header-badge-minor{color:#B45309;background:#FFFBEB;border:1px solid #FDE68A}
.header-badge-minor svg{stroke:#B45309}
.header-badge-minor:hover{background:#FEF3C7;box-shadow:0 2px 8px rgba(180,83,9,.25)}
/* 竖屏/横屏视频卡片比例（配合 VIDEOS 的 ratio 字段） */
.video-wrap.v-portrait{aspect-ratio:3/4}
.video-wrap.v-landscape{aspect-ratio:16/9}
/* ═══════ 表演中心 · 视频卡片基础样式（补） ═══════ */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.video-card{overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.video-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(17,24,39,.14)}
.video-wrap{position:relative;width:100%;overflow:hidden;background:#0F172A}
.video-wrap video{width:100%;height:100%;object-fit:cover;display:block;background:#000}
.video-info{padding:14px 16px 16px}
.v-top{display:flex;gap:6px;margin-bottom:8px}
.video-info h3{font-size:15px;color:var(--text);margin-bottom:3px}
.video-info p{font-size:12.5px;color:var(--muted)}

/* ═══════ 公司介绍页 · 统计/清单/时间轴（补） ═══════ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{text-align:center;padding:28px 16px;transition:all .25s}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-num{font-size:34px;font-weight:900;color:var(--primary)}
.stat-num em{font-style:normal;font-size:16px;font-weight:700}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.policy-list{display:flex;flex-direction:column;gap:10px}
.policy-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#4B5563}
.policy-list li svg{width:17px;height:17px;stroke:#10B981;flex-shrink:0;margin-top:4px}
.policy-list li b{color:var(--text)}
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:30px}
.timeline::before{content:'';position:absolute;left:7px;top:8px;bottom:8px;width:2px;
background:linear-gradient(180deg,var(--primary),var(--accent))}
.timeline-item{position:relative;padding:0 0 30px 26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:'';position:absolute;left:-30px;top:4px;width:16px;height:16px;
border-radius:50%;background:#fff;border:3px solid var(--primary)}
.timeline-item h4{font-size:15.5px;color:var(--text);display:inline-block;margin-right:10px}
.timeline-item span{font-size:12px;color:var(--accent);font-weight:600}
.timeline-item p{font-size:13.5px;color:var(--muted);margin-top:4px}