/* ===== 51动漫影视社区 - 原创CSS ===== */
/* 紫蓝霓虹动漫主题色系 */
:root {
  --c-primary: #6a11cb;
  --c-secondary: #2575fc;
  --c-accent: #ff6b9d;
  --c-accent2: #00e6b4;
  --c-dark: #0f0c29;
  --c-dark2: #191638;
  --c-dark3: #1e1a4a;
  --c-surface: #252054;
  --c-text: #e8e0ff;
  --c-text2: #a89fd4;
  --c-gold: #ffd700;
  --c-white: #ffffff;
  --c-border: rgba(106,17,203,0.3);
  --radius: 12px;
  --shadow: 0 4px 24px rgba(106,17,203,0.18);
  --transition: all 0.3s ease;
  --max-w: 1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--c-dark);color:var(--c-text);line-height:1.7;overflow-x:hidden}
a{color:var(--c-accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--c-accent2)}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}

/* ===== 头部导航 ===== */
.site-header{background:linear-gradient(135deg,var(--c-dark) 0%,var(--c-dark2) 100%);border-bottom:2px solid var(--c-border);position:sticky;top:0;z-index:1000;backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo img{height:48px;width:auto}
.main-nav{display:flex;gap:6px;align-items:center}
.main-nav a{color:var(--c-text);padding:8px 16px;border-radius:8px;font-size:0.95rem;transition:var(--transition);font-weight:500}
.main-nav a:hover,.main-nav a.active{background:linear-gradient(135deg,var(--c-primary),var(--c-secondary));color:var(--c-white)}
.mobile-menu-btn{display:none;background:none;border:2px solid var(--c-accent);color:var(--c-accent);font-size:1.4rem;padding:6px 10px;border-radius:6px;cursor:pointer}

/* ===== 搜索栏 ===== */
.search-bar{background:var(--c-dark2);padding:14px 0;border-bottom:1px solid var(--c-border)}
.search-box{display:flex;max-width:560px;margin:0 auto}
.search-box input{flex:1;padding:10px 18px;border:2px solid var(--c-border);border-right:none;border-radius:var(--radius) 0 0 var(--radius);background:var(--c-surface);color:var(--c-text);font-size:0.95rem;outline:none;transition:var(--transition)}
.search-box input:focus{border-color:var(--c-accent)}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,var(--c-primary),var(--c-secondary));color:var(--c-white);border:none;border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;font-size:0.95rem;transition:var(--transition)}
.search-box button:hover{background:linear-gradient(135deg,var(--c-accent),var(--c-primary))}

/* ===== Banner ===== */
.hero-banner{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,var(--c-dark),var(--c-dark3))}
.hero-banner .bg-image{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0.35}
.hero-content{position:relative;z-index:2;text-align:center;width:100%;padding:60px 20px}
.hero-content h1{font-size:2.8rem;background:linear-gradient(135deg,var(--c-white),var(--c-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;font-weight:800}
.hero-desc{font-size:1.15rem;color:var(--c-text2);max-width:680px;margin:0 auto 28px;line-height:1.8}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 32px;border-radius:var(--radius);font-weight:600;font-size:1rem;transition:var(--transition);cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-secondary));color:var(--c-white);box-shadow:0 4px 20px rgba(106,17,203,0.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(106,17,203,0.6);color:var(--c-white)}
.btn-outline{border:2px solid var(--c-accent);color:var(--c-accent);background:transparent}
.btn-outline:hover{background:var(--c-accent);color:var(--c-white)}

/* ===== 数据统计条 ===== */
.stats-bar{background:linear-gradient(135deg,var(--c-dark2),var(--c-surface));padding:28px 0;border-bottom:1px solid var(--c-border)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item .num{font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--c-accent),var(--c-gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-item .label{font-size:0.85rem;color:var(--c-text2);margin-top:4px}

/* ===== 通用板块 ===== */
.section{padding:60px 0}
.section:nth-child(even){background:var(--c-dark2)}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;color:var(--c-white);margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,var(--c-accent),var(--c-primary));border-radius:3px}
.section-title p{color:var(--c-text2);font-size:0.95rem;margin-top:14px}

/* ===== 视频/动漫卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{background:var(--c-surface);border-radius:var(--radius);overflow:hidden;transition:var(--transition);border:1px solid var(--c-border);position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(106,17,203,0.3);border-color:var(--c-accent)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:var(--c-dark3)}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.video-poster{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(15,12,41,0.5);opacity:0;transition:var(--transition)}
.video-card:hover .video-poster{opacity:1}
.play-btn{width:56px;height:56px;background:linear-gradient(135deg,var(--c-accent),var(--c-primary));border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(255,107,157,0.5);transition:var(--transition)}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent var(--c-white);margin-left:3px}
.play-btn:hover{transform:scale(1.15)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:var(--c-white);padding:2px 8px;border-radius:4px;font-size:0.78rem}
.video-info{padding:14px}
.video-info h3{font-size:0.95rem;color:var(--c-white);margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:0.78rem;color:var(--c-text2)}
.video-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.video-tags span{background:rgba(106,17,203,0.25);color:var(--c-accent);padding:2px 10px;border-radius:20px;font-size:0.72rem}

/* ===== 娱乐专区 ===== */
.ent-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ent-card{background:var(--c-surface);border-radius:var(--radius);overflow:hidden;transition:var(--transition);border:1px solid var(--c-border);position:relative;cursor:pointer}
.ent-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(255,107,157,0.2);border-color:var(--c-accent2)}
.ent-card .thumb{position:relative;padding-top:130%;overflow:hidden;background:var(--c-dark3)}
.ent-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.ent-card:hover .thumb img{transform:scale(1.06)}
.ent-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);opacity:0;transition:var(--transition)}
.ent-card:hover .play-btn{opacity:1}
.ent-card .info{padding:12px}
.ent-card .info h4{font-size:0.9rem;color:var(--c-white);margin-bottom:4px}
.ent-card .info p{font-size:0.78rem;color:var(--c-text2)}

/* ===== AI赋能 ===== */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(145deg,var(--c-surface),var(--c-dark3));border-radius:var(--radius);padding:32px 24px;border:1px solid var(--c-border);transition:var(--transition);text-align:center}
.ai-card:hover{border-color:var(--c-accent2);box-shadow:0 8px 32px rgba(0,230,180,0.15);transform:translateY(-4px)}
.ai-card .icon{font-size:2.5rem;margin-bottom:16px}
.ai-card h3{color:var(--c-white);font-size:1.1rem;margin-bottom:10px}
.ai-card p{color:var(--c-text2);font-size:0.88rem;line-height:1.7}

/* ===== 专家展示 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:var(--c-surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--c-border);transition:var(--transition);text-align:center;padding-bottom:20px}
.expert-card:hover{border-color:var(--c-gold);box-shadow:0 8px 28px rgba(255,215,0,0.15);transform:translateY(-4px)}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:24px auto 14px;overflow:hidden;border:3px solid var(--c-accent);box-shadow:0 4px 16px rgba(255,107,157,0.3)}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{color:var(--c-white);font-size:1rem;margin-bottom:4px}
.expert-card .role{color:var(--c-accent);font-size:0.82rem;margin-bottom:8px}
.expert-card .credentials{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:8px 16px}
.expert-card .credentials span{background:rgba(255,215,0,0.15);color:var(--c-gold);padding:2px 10px;border-radius:20px;font-size:0.72rem}
.expert-links{display:flex;gap:10px;justify-content:center;margin-top:12px}
.expert-links a{padding:6px 16px;border-radius:20px;font-size:0.8rem;border:1px solid var(--c-border);color:var(--c-text2);transition:var(--transition)}
.expert-links a:hover{border-color:var(--c-accent);color:var(--c-accent)}

/* ===== 品牌墙 ===== */
.brand-wall{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;align-items:center;padding:20px 0}
.brand-item{background:var(--c-surface);padding:16px 28px;border-radius:var(--radius);border:1px solid var(--c-border);color:var(--c-text2);font-weight:600;transition:var(--transition)}
.brand-item:hover{border-color:var(--c-accent);color:var(--c-white)}

/* ===== HowTo指南 ===== */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.howto-step{background:var(--c-surface);border-radius:var(--radius);padding:28px 20px;text-align:center;border:1px solid var(--c-border);transition:var(--transition)}
.howto-step:hover{border-color:var(--c-accent2)}
.step-num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-secondary));color:var(--c-white);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-weight:700;font-size:1.1rem}
.howto-step h4{color:var(--c-white);margin-bottom:8px;font-size:0.95rem}
.howto-step p{color:var(--c-text2);font-size:0.82rem}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--c-surface);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--c-border);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--c-accent)}
.faq-question{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--c-white);font-weight:600;font-size:0.95rem}
.faq-question .arrow{transition:var(--transition);color:var(--c-accent);font-size:1.2rem}
.faq-item.open .arrow{transform:rotate(180deg)}
.faq-answer{padding:0 22px;max-height:0;overflow:hidden;transition:max-height 0.4s ease;color:var(--c-text2);font-size:0.9rem;line-height:1.8}
.faq-item.open .faq-answer{max-height:300px;padding-bottom:18px}

/* ===== 用户评价 ===== */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review-card{background:var(--c-surface);border-radius:var(--radius);padding:24px;border:1px solid var(--c-border);transition:var(--transition)}
.review-card:hover{border-color:var(--c-gold)}
.review-header{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));display:flex;align-items:center;justify-content:center;color:var(--c-white);font-weight:700;font-size:1.1rem}
.review-user{flex:1}
.review-user h4{color:var(--c-white);font-size:0.92rem}
.review-user span{color:var(--c-text2);font-size:0.78rem}
.review-stars{color:var(--c-gold);font-size:0.9rem;letter-spacing:2px}
.review-card p{color:var(--c-text2);font-size:0.88rem;line-height:1.7}

/* ===== 社交分享 ===== */
.share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-btn{padding:10px 22px;border-radius:var(--radius);color:var(--c-white);font-size:0.88rem;transition:var(--transition);font-weight:500}
.share-btn:hover{transform:translateY(-2px);color:var(--c-white)}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00a1d6}

/* ===== MCP服务前端 ===== */
.mcp-widget{background:var(--c-surface);border-radius:var(--radius);padding:20px;border:1px solid var(--c-border);margin-top:20px}
.mcp-widget h4{color:var(--c-white);margin-bottom:10px;font-size:0.95rem}
.mcp-widget .status{display:flex;align-items:center;gap:8px;color:var(--c-accent2);font-size:0.85rem}
.mcp-widget .status::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--c-accent2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}

/* ===== 页脚 ===== */
.site-footer{background:linear-gradient(180deg,var(--c-dark2),var(--c-dark));border-top:2px solid var(--c-border);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:36px}
.footer-col h4{color:var(--c-white);font-size:1rem;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:36px;height:2px;background:var(--c-accent);border-radius:2px}
.footer-col a,.footer-col p{display:block;color:var(--c-text2);font-size:0.85rem;margin-bottom:8px;transition:var(--transition)}
.footer-col a:hover{color:var(--c-accent);padding-left:4px}
.footer-col .qr-img{width:100px;height:100px;border-radius:8px;border:2px solid var(--c-border);margin-top:8px}
.footer-trust{background:var(--c-dark3);padding:16px;border-radius:var(--radius);margin-bottom:20px;text-align:center}
.footer-trust p{color:var(--c-text2);font-size:0.8rem;line-height:1.8}
.footer-bottom{border-top:1px solid var(--c-border);padding:20px 0;text-align:center}
.footer-bottom p{color:var(--c-text2);font-size:0.82rem;margin-bottom:4px}
.update-time{color:var(--c-accent);font-size:0.8rem}

/* ===== 面包屑 ===== */
.breadcrumb{padding:14px 0;font-size:0.85rem;color:var(--c-text2)}
.breadcrumb a{color:var(--c-accent)}
.breadcrumb span{margin:0 8px;color:var(--c-text2)}

/* ===== 内页通用 ===== */
.page-hero{background:linear-gradient(135deg,var(--c-dark),var(--c-dark3));padding:50px 0;text-align:center;border-bottom:1px solid var(--c-border)}
.page-hero h1{font-size:2rem;color:var(--c-white);margin-bottom:10px}
.page-hero p{color:var(--c-text2);font-size:0.95rem}
.page-content{padding:40px 0}
.content-card{background:var(--c-surface);border-radius:var(--radius);padding:30px;border:1px solid var(--c-border);margin-bottom:24px}
.content-card h2,.content-card h3{color:var(--c-white);margin-bottom:12px}
.content-card p{color:var(--c-text2);line-height:1.8;margin-bottom:12px}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.contact-card{background:var(--c-surface);border-radius:var(--radius);padding:28px;border:1px solid var(--c-border);text-align:center;transition:var(--transition)}
.contact-card:hover{border-color:var(--c-accent)}
.contact-card h3{color:var(--c-white);margin-bottom:8px}
.contact-card p{color:var(--c-text2);font-size:0.9rem}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .video-grid,.ent-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid,.howto-steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--c-dark);flex-direction:column;padding:16px;border-bottom:2px solid var(--c-border)}
  .main-nav.open{display:flex}
  .mobile-menu-btn{display:block}
  .hero-content h1{font-size:1.8rem}
  .hero-desc{font-size:0.95rem}
  .video-grid,.ent-grid{grid-template-columns:repeat(2,1fr)}
  .ai-features{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
  .header-inner{flex-wrap:wrap}
}
@media(max-width:480px){
  .video-grid,.ent-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .hero-btns{flex-direction:column;align-items:center}
  .share-btns{flex-direction:column;align-items:center}
}