/* ========== 樱花动漫 全站样式 ========== */
/* 基础重置 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#e0e0e0;background:#0a0a0a;line-height:1.8;overflow-x:hidden}
a{color:#00b4d8;text-decoration:none;transition:color .3s}
a:hover{color:#ff6b35}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{color:#fff;line-height:1.4;font-weight:700}
h1{font-size:2.2rem}
h2{font-size:1.8rem}
h3{font-size:1.4rem}
h4{font-size:1.2rem}
h5{font-size:1.05rem}
h6{font-size:.95rem}
p{margin-bottom:1rem;color:#ccc}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ========== 顶部导航 ========== */
.site-header{background:rgba(10,10,10,.97);position:sticky;top:0;z-index:1000;border-bottom:1px solid #222;backdrop-filter:blur(10px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:48px;height:48px;border-radius:8px}
.logo-wrap .brand-name{font-size:1.3rem;font-weight:800;color:#fff;letter-spacing:1px}
.logo-wrap .brand-name span{color:#ff6b35}
.main-nav{display:flex;gap:0}
.main-nav a{padding:12px 16px;font-size:.9rem;color:#ccc;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#ff6b35}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:#ff6b35;transition:width .3s}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* 搜索框 */
.search-bar{background:#111;padding:12px 0;border-bottom:1px solid #1a1a1a}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 18px;background:#1a1a1a;border:1px solid #333;border-right:none;border-radius:25px 0 0 25px;color:#fff;font-size:.9rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#ff6b35}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#ff6b35,#e55a2b);border:none;border-radius:0 25px 25px 0;color:#fff;cursor:pointer;font-size:.9rem;transition:opacity .3s}
.search-box button:hover{opacity:.85}

/* ========== Banner ========== */
.hero-banner{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner .bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.45)}
.hero-content{position:relative;z-index:2;text-align:center;padding:20px;max-width:800px}
.hero-content h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.7)}
.hero-content h1 span{color:#ff6b35}
.hero-content p{font-size:1.15rem;color:#ddd;margin-bottom:24px;text-shadow:0 1px 10px rgba(0,0,0,.5)}
.hero-btn{display:inline-block;padding:14px 36px;background:linear-gradient(135deg,#ff6b35,#e55a2b);color:#fff;border-radius:30px;font-size:1rem;font-weight:600;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,107,53,.4);color:#fff}

/* ========== 面包屑 ========== */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#aaa}
.breadcrumb a:hover{color:#ff6b35}
.breadcrumb span{margin:0 6px;color:#555}

/* ========== 通用模块 ========== */
.section{padding:60px 0}
.section-dark{background:#0d0d0d}
.section-alt{background:#111}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#ff6b35,#00b4d8);margin:10px auto 0}
.section-title p{color:#999;font-size:.95rem;max-width:600px;margin:0 auto}
.3v1p6zz9{display:inline-block;padding:3px 10px;background:rgba(255,107,53,.15);color:#ff6b35;border-radius:12px;font-size:.75rem;margin:2px}

/* ========== 视频卡片 ========== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#151515;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer;border:1px solid #222}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(255,107,53,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.0rqd6o{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.4)}
.video-card:hover .0rqd6o{opacity:1}
.0rqd6o i{width:60px;height:60px;background:rgba(255,107,53,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0}
.0rqd6o i::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:12px 0 12px 22px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-info{padding:16px}
.video-info h4{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:16px;font-size:.8rem;color:#888;flex-wrap:wrap}
.video-meta span{display:flex;align-items:center;gap:4px}
.026si6zl{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}

/* ========== 专家卡片 ========== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#151515;border-radius:12px;overflow:hidden;text-align:center;padding:30px 20px;border:1px solid #222;transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card .avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;object-fit:cover;border:3px solid #ff6b35}
.expert-card h4{margin-bottom:4px}
.expert-card .role{color:#ff6b35;font-size:.85rem;margin-bottom:12px}
.expert-card p{font-size:.85rem;color:#999;margin-bottom:16px}
.expert-card .w6y38{display:inline-block;padding:8px 20px;border:1px solid #ff6b35;color:#ff6b35;border-radius:20px;font-size:.8rem;transition:all .3s;margin:0 4px}
.expert-card .w6y38:hover{background:#ff6b35;color:#fff}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #222;border-radius:10px;margin-bottom:12px;overflow:hidden;background:#151515}
.faq-q{padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#e0e0e0;transition:background .3s}
.faq-q:hover{background:#1a1a1a}
.faq-q .es0pk98{transition:transform .3s;color:#ff6b35;font-size:1.2rem}
.faq-item.active .faq-q .es0pk98{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 20px}
.faq-item.active .faq-a{max-height:300px;padding:0 20px 18px}
.faq-a p{color:#aaa;font-size:.9rem;line-height:1.8}

/* ========== 用户评论 ========== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#151515;border:1px solid #222;border-radius:12px;padding:24px;transition:transform .3s}
.review-card:hover{transform:translateY(-3px)}
.review-card .q6te1x2x{color:#ff6b35;margin-bottom:10px;font-size:1.1rem;letter-spacing:2px}
.review-card .review-text{font-size:.9rem;color:#bbb;margin-bottom:14px;font-style:italic;line-height:1.7}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-avatar{width:36px;height:36px;border-radius:50%;background:#333;display:flex;align-items:center;justify-content:center;color:#ff6b35;font-weight:700;font-size:.9rem}
.review-card .reviewer-name{font-size:.85rem;color:#ddd}
.review-card .reviewer-date{font-size:.75rem;color:#777}

/* ========== 合作品牌 ========== */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{background:#1a1a1a;border:1px solid #222;border-radius:10px;padding:20px 30px;min-width:140px;text-align:center;font-size:1.1rem;font-weight:700;color:#888;transition:all .3s}
.brand-wall .brand-item:hover{border-color:#ff6b35;color:#ff6b35;transform:scale(1.05)}

/* ========== 联系我们 ========== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.contact-card{background:#151515;border:1px solid #222;border-radius:12px;padding:24px;text-align:center}
.contact-card h4{margin-bottom:12px;color:#ff6b35}
.contact-card p{font-size:.9rem;color:#aaa}

/* ========== How-To 指南 ========== */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;margin-top:30px}
.step-card{background:#151515;border:1px solid #222;border-radius:12px;padding:24px;text-align:center;position:relative}
.step-card .dsjdjja{width:40px;height:40px;background:linear-gradient(135deg,#ff6b35,#e55a2b);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;margin:0 auto 16px;font-size:1.1rem}
.step-card h4{margin-bottom:8px}
.step-card p{font-size:.85rem;color:#999}

/* ========== 社交分享 ========== */
.ox3qt3w{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.nc4u7c{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:25px;font-size:.85rem;color:#fff;transition:transform .3s,opacity .3s;cursor:pointer;border:none}
.nc4u7c:hover{transform:translateY(-2px);opacity:.85;color:#fff}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00a1d6}

/* ========== 页脚 ========== */
.site-footer{background:#080808;border-top:1px solid #1a1a1a;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#ff6b35;margin-bottom:16px;font-size:1rem}
.footer-col p,.footer-col a{font-size:.85rem;color:#888;display:block;margin-bottom:8px}
.footer-col a:hover{color:#ff6b35}
.footer-col .iman030x{width:120px;height:120px;border-radius:8px;border:1px solid #222;margin-top:8px}
.footer-bottom{border-top:1px solid #1a1a1a;padding-top:20px;text-align:center;font-size:.8rem;color:#666}
.footer-bottom a{color:#888}
.footer-bottom a:hover{color:#ff6b35}

/* ========== AI赋能模块 ========== */
.ai-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.ai-card{background:linear-gradient(145deg,#111,#0d0d0d);border:1px solid #1a2a3a;border-radius:12px;padding:28px;transition:all .3s}
.ai-card:hover{border-color:#00b4d8;box-shadow:0 0 30px rgba(0,180,216,.1)}
.ai-card .ai-icon{font-size:2rem;margin-bottom:14px;display:block}
.ai-card h4{color:#00b4d8;margin-bottom:10px}
.ai-card p{font-size:.85rem;color:#999}

/* ========== 内页通用 ========== */
.page-hero{padding:80px 0 40px;background:linear-gradient(135deg,#0a0a0a,#151515);text-align:center}
.page-hero h1{margin-bottom:12px}
.page-hero p{color:#999;max-width:600px;margin:0 auto}
.content-section{padding:50px 0}
.content-section p{font-size:.95rem;line-height:2;color:#bbb}
.content-section h2,.content-section h3{margin:30px 0 16px}

/* ========== 响应式 ========== */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
  .main-nav.show{display:flex}
  .main-nav a{padding:10px 0;border-bottom:1px solid #1a1a1a}
  .mobile-toggle{display:block}
  .hero-banner{height:380px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:.95rem}
  .section{padding:40px 0}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr}
  h1{font-size:1.6rem}
  h2{font-size:1.4rem}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .hero-banner{height:300px}
  .hero-content h1{font-size:1.5rem}
}

/* 页脚标签链接 */
.footer-links a{color:#666;text-decoration:none;transition:color .3s}
.footer-links a:hover{color:#ff6b35}