/* ============================================
   中文字幕 全新原创样式表
   品牌：中文字幕 | wusankefu.cn
   配色：石榴红 #E8375E + 星空紫 #7B2FF7
   ============================================ */
:root{--red:#E8375E;--purple:#7B2FF7;--teal:#00D4AA;--dark:#0A0E1A;--card:#131729;--card-h:#1A2038;--border:#1E2540;--white:#F5F5F7;--gray:#9CA3B8;--muted:#6B7394;--grad:linear-gradient(135deg,#E8375E 0%,#7B2FF7 100%);--grad-t:linear-gradient(135deg,#00D4AA 0%,#7B2FF7 100%);--shadow:0 8px 32px rgba(0,0,0,.3);--r:14px;--rs:8px;--tr:all .35s cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;background:var(--dark);color:var(--white);line-height:1.7;overflow-x:hidden}
a{color:var(--red);text-decoration:none;transition:var(--tr)}a:hover{color:var(--teal)}
img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* 导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,14,26,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:68px}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1240px;margin:0 auto;padding:0 24px}
.nav-brand{display:flex;align-items:center;gap:10px}
.nav-brand img{width:38px;height:38px;border-radius:8px}
.nav-brand span{font-size:1.25rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:6px}
.nav-links a{color:var(--gray);font-size:.9rem;padding:8px 14px;border-radius:var(--rs);transition:var(--tr)}
.nav-links a:hover,.nav-links a.active{color:var(--white);background:rgba(232,55,94,.15)}
.nav-search{display:flex;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:24px;overflow:hidden}
.nav-search input{background:0 0;border:none;color:var(--white);padding:8px 16px;font-size:.85rem;width:200px;outline:none}
.nav-search input::placeholder{color:var(--muted)}
.nav-search button{background:var(--grad);border:none;color:#fff;padding:8px 18px;font-size:.85rem;cursor:pointer;transition:var(--tr)}
.nav-search button:hover{opacity:.85}
.nav-toggle{display:none;background:0 0;border:none;color:var(--white);font-size:1.5rem;cursor:pointer}

/* Hero */
.hero{position:relative;min-height:600px;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;background:url('/images/hero-banner.jpg') center/cover no-repeat}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,14,26,.88) 0%,rgba(123,47,247,.5) 50%,rgba(232,55,94,.4) 100%)}
.hero-content{position:relative;z-index:1;max-width:680px}
.hero-content h1{font-size:2.8rem;font-weight:800;line-height:1.25;margin-bottom:20px}
.hero-content h1 .brand-hl{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content p{font-size:1.1rem;color:var(--gray);margin-bottom:28px;line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.hero-tags span{background:rgba(232,55,94,.12);color:var(--red);padding:6px 16px;border-radius:20px;font-size:.82rem;border:1px solid rgba(232,55,94,.25)}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn-main{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;padding:14px 32px;border-radius:28px;font-size:1rem;font-weight:600;border:none;cursor:pointer;transition:var(--tr)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,55,94,.4);color:#fff}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:0 0;color:var(--white);padding:14px 32px;border-radius:28px;font-size:1rem;font-weight:600;border:2px solid rgba(255,255,255,.25);cursor:pointer;transition:var(--tr)}
.btn-outline:hover{border-color:var(--teal);color:var(--teal)}

/* 数据条 */
.stats-bar{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:28px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item h3{font-size:2rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-item p{color:var(--muted);font-size:.85rem;margin-top:4px}

/* Section */
.section{padding:80px 0}.section-alt{background:var(--card)}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head h2{font-size:2rem;font-weight:700;margin-bottom:12px}
.sec-head h2 .hl{color:var(--red)}.sec-head h2 .hl-p{color:var(--purple)}.sec-head h2 .hl-t{color:var(--teal)}
.sec-head p{color:var(--gray);font-size:1rem;max-width:640px;margin:0 auto}
.sec-head .line{width:60px;height:3px;background:var(--grad);margin:16px auto 0;border-radius:2px}

/* 视频卡片 */
.vid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.vid-card{background:var(--card);border-radius:var(--r);overflow:hidden;border:1px solid var(--border);transition:var(--tr)}
.vid-card:hover{transform:translateY(-6px);border-color:var(--red);box-shadow:var(--shadow)}
.vid-thumb{position:relative;padding-top:56.25%;overflow:hidden;cursor:pointer}
.vid-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.vid-card:hover .vid-thumb img{transform:scale(1.08)}
.vid-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(10,14,26,.5);opacity:0;transition:var(--tr)}
.vid-thumb:hover .vid-play{opacity:1}
.vid-play::after{content:'';width:56px;height:56px;border-radius:50%;background:var(--grad);box-shadow:0 4px 20px rgba(232,55,94,.5)}
.vid-play span{position:absolute;color:#fff;font-size:1.4rem;margin-left:3px}
.vid-dur{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:600}
.vid-info{padding:14px}
.vid-info h3{font-size:.9rem;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--white)}
.vid-info h3:hover{color:var(--red)}
.vid-meta{display:flex;gap:12px;color:var(--muted);font-size:.78rem}

/* 分类标签 */
.cat-tabs{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap;justify-content:center}
.cat-tab{padding:8px 20px;border-radius:20px;font-size:.85rem;background:var(--card);color:var(--gray);border:1px solid var(--border);cursor:pointer;transition:var(--tr)}
.cat-tab:hover,.cat-tab.on{background:var(--grad);color:#fff;border-color:transparent}

/* 特色卡片 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:32px 24px;transition:var(--tr);position:relative;overflow:hidden}
.feat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.feat-card:hover::before{transform:scaleX(1)}
.feat-card:hover{border-color:rgba(232,55,94,.3);transform:translateY(-4px);box-shadow:0 4px 16px rgba(0,0,0,.2)}
.feat-icon{font-size:2.2rem;margin-bottom:16px}
.feat-card h3{font-size:1.05rem;font-weight:600;margin-bottom:10px;color:var(--white)}
.feat-card p{color:var(--gray);font-size:.88rem;line-height:1.7}

/* 两列 */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.two-col img{border-radius:var(--r)}

/* 专家 */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:28px 20px;text-align:center;transition:var(--tr)}
.expert-card:hover{border-color:var(--purple);transform:translateY(-4px)}
.expert-avatar{width:96px;height:96px;border-radius:50%;overflow:hidden;margin:0 auto 16px;border:3px solid var(--purple)}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{font-size:1.1rem;font-weight:700;margin-bottom:4px}
.expert-role{display:inline-block;background:rgba(123,47,247,.15);color:var(--purple);padding:3px 12px;border-radius:12px;font-size:.78rem;margin-bottom:10px}
.expert-card p{color:var(--gray);font-size:.82rem;line-height:1.6}
.expert-stats{display:flex;justify-content:center;gap:16px;margin-top:12px}
.expert-stats span{color:var(--muted);font-size:.75rem}
.expert-stats strong{color:var(--red)}

/* 品牌墙 */
.brand-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.brand-item{background:var(--card);border:1px solid var(--border);border-radius:var(--rs);padding:20px;text-align:center;transition:var(--tr);font-size:.95rem;color:var(--gray);font-weight:500}
.brand-item:hover{border-color:var(--teal);color:var(--white)}

/* HowTo */
.howto-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.howto-step{text-align:center;position:relative}
.howto-num{width:52px;height:52px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800;color:#fff;margin:0 auto 16px}
.howto-step h4{font-size:1rem;font-weight:600;margin-bottom:8px;color:var(--white)}
.howto-step p{color:var(--gray);font-size:.85rem}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:24px;transition:var(--tr)}
.review-card:hover{border-color:var(--red)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem}
.review-name{font-weight:600;font-size:.9rem}
.review-date{color:var(--muted);font-size:.75rem}
.review-stars{color:#FFD700;font-size:.85rem;margin-bottom:10px}
.review-card p{color:var(--gray);font-size:.85rem;line-height:1.7}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--rs);margin-bottom:10px;overflow:hidden}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;color:var(--white);transition:var(--tr)}
.faq-q:hover{color:var(--red)}
.faq-q .arrow{transition:transform .3s ease;color:var(--muted)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);color:var(--red)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px;color:var(--gray);font-size:.88rem;line-height:1.8}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 18px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.contact-box{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:32px}
.contact-box h3{font-size:1.2rem;font-weight:700;margin-bottom:20px}
.contact-row{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.contact-row .ico{font-size:1.3rem}
.contact-row span{color:var(--gray);font-size:.9rem}
.contact-row a{color:var(--teal)}
.qr-wrap{display:flex;gap:24px;margin-top:20px}
.qr-item{text-align:center}
.qr-item img{width:130px;height:130px;border-radius:var(--rs);margin-bottom:8px}
.qr-item p{color:var(--muted);font-size:.8rem}

/* 分享 */
.share-bar{display:flex;gap:12px;justify-content:center;margin-top:32px}
.share-btn{padding:10px 24px;border-radius:24px;font-size:.85rem;border:1px solid var(--border);background:var(--card);color:var(--gray);cursor:pointer;transition:var(--tr)}
.share-btn:hover{background:var(--grad);color:#fff;border-color:transparent}

/* MCP */
.mcp-box{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:32px;margin-top:32px}
.mcp-box h3{font-size:1.1rem;margin-bottom:16px}
.mcp-code{background:var(--dark);border:1px solid var(--border);border-radius:var(--rs);padding:20px;font-family:'Courier New',monospace;font-size:.82rem;color:var(--teal);overflow-x:auto;line-height:1.6}

/* 页脚 */
.site-footer{background:var(--card);border-top:1px solid var(--border);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;border-bottom:1px solid var(--border)}
.footer-brand img{width:42px;height:42px;border-radius:8px;margin-bottom:12px}
.footer-brand p{color:var(--gray);font-size:.85rem;line-height:1.7}
.footer-col h4{font-size:.95rem;font-weight:600;margin-bottom:16px;color:var(--white)}
.footer-col a{display:block;color:var(--muted);font-size:.85rem;padding:4px 0;transition:var(--tr)}
.footer-col a:hover{color:var(--red)}
.footer-bottom{padding:20px 0;text-align:center;color:var(--muted);font-size:.8rem}
.footer-bottom a{color:var(--teal)}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:16px;font-size:.85rem;color:var(--muted)}
.breadcrumb a{color:var(--gray)}.breadcrumb a:hover{color:var(--red)}

/* 内页Hero */
.page-hero{padding:100px 0 40px;background:linear-gradient(135deg,var(--dark) 0%,var(--card) 100%);border-bottom:1px solid var(--border)}
.page-hero h1{font-size:2.2rem;font-weight:800;margin-bottom:10px}
.page-hero h1 .hl{color:var(--red)}
.page-hero>.container>p{color:var(--gray);font-size:1rem}

/* 聚合评分 */
.agg-rating{text-align:center;margin-bottom:32px;padding:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--r)}
.agg-rating .score{font-size:3rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.agg-rating .stars{color:#FFD700;font-size:1.2rem}
.agg-rating .count{color:var(--muted);font-size:.85rem;margin-top:4px}

/* 六列特色 */
.feat-grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
/* 四列社区 */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* 响应式 */
@media(max-width:1024px){.vid-grid{grid-template-columns:repeat(3,1fr)}.expert-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.nav-links,.nav-search{display:none}.nav-toggle{display:block}.nav-links.show{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:var(--dark);padding:16px;border-bottom:1px solid var(--border)}.hero-content h1{font-size:1.8rem}.hero{min-height:480px;padding:100px 0 60px}.stats-grid{grid-template-columns:repeat(2,1fr)}.vid-grid{grid-template-columns:repeat(2,1fr)}.feat-grid,.feat-grid-6,.community-grid{grid-template-columns:1fr}.two-col{grid-template-columns:1fr}.expert-grid{grid-template-columns:1fr}.brand-wall{grid-template-columns:repeat(2,1fr)}.howto-wrap{grid-template-columns:repeat(2,1fr)}.review-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.sec-head h2{font-size:1.5rem}.section{padding:48px 0}}
@media(max-width:480px){.vid-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr;gap:12px}.hero-btns{flex-direction:column}.share-bar{flex-wrap:wrap}}