/* ========================================
   海角社区 - 全站样式表
   品牌：海角社区 | 域名：xing668.cn
   定位：国内影视传媒公司 + 视频社区
   ======================================== */

/* CSS Reset & Base */
*,*::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","WenQuanYi Micro Hei",sans-serif;color:#222;background:#f8f9fa;line-height:1.7;overflow-x:hidden}
a{color:#1a237e;text-decoration:none;transition:color .3s}
a:hover{color:#ff6b6b}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#1a237e}

/* ========== 顶部导航 ========== */
.site-header{background:linear-gradient(135deg,#0d1b3e 0%,#1a237e 50%,#283593 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:68px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:40px;width:auto}
.logo-wrap .brand-name{color:#fff;font-size:1.4rem;font-weight:700;letter-spacing:2px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:rgba(255,255,255,.88);padding:0 16px;height:68px;display:flex;align-items:center;font-size:.95rem;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:3px;background:#ff6b6b;transition:width .3s}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.mobile-toggle{display:none;color:#fff;font-size:1.5rem;cursor:pointer;background:none;border:none}

/* ========== 搜索框 ========== */
.search-bar{background:linear-gradient(90deg,#1a237e,#283593);padding:12px 0}
.search-bar .search-inner{max-width:700px;margin:0 auto;display:flex;padding:0 20px}
.search-bar input[type="text"]{flex:1;padding:10px 18px;border:2px solid rgba(255,255,255,.3);border-right:none;border-radius:25px 0 0 25px;background:rgba(255,255,255,.12);color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-bar input[type="text"]::placeholder{color:rgba(255,255,255,.6)}
.search-bar input[type="text"]:focus{border-color:#ff6b6b;background:rgba(255,255,255,.18)}
.search-bar button{padding:10px 28px;background:linear-gradient(135deg,#ff6b6b,#ee5a24);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-bar button:hover{background:linear-gradient(135deg,#ee5a24,#ff6b6b)}

/* ========== Hero Banner ========== */
.hero-section{position:relative;overflow:hidden;background:#0d1b3e}
.hero-section .hero-bg{width:100%;height:480px;object-fit:cover;filter:brightness(.7)}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px}
.hero-content{max-width:700px}
.hero-content h1{color:#fff;font-size:2.8rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.hero-content h1 .brand-hl{color:#ff6b6b}
.hero-content p{color:rgba(255,255,255,.9);font-size:1.15rem;margin-bottom:28px;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#ff6b6b,#ee5a24);color:#fff;border-radius:30px;font-weight:600;font-size:1rem;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,107,107,.4);color:#fff}
.btn-outline{display:inline-block;padding:12px 32px;border:2px solid #fff;color:#fff;border-radius:30px;font-weight:600;font-size:1rem;transition:all .3s}
.btn-outline:hover{background:#fff;color:#1a237e}

/* ========== 通用容器 ========== */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ========== 板块标题 ========== */
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:2rem;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:4px;background:linear-gradient(90deg,#ff6b6b,#1a237e);margin:12px auto 0;border-radius:2px}
.section-title p{color:#666;font-size:1rem;margin-top:8px}

/* ========== 视频卡片网格 ========== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(0,0,0,.15)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(255,107,107,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;margin-bottom:6px;color:#222;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:12px;color:#999;font-size:.82rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:#f0f2ff;color:#1a237e;padding:2px 10px;border-radius:12px;font-size:.75rem;margin-top:6px}

/* ========== 分类标签 ========== */
.category-tabs{display:flex;gap:12px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.category-tabs .tab{padding:8px 22px;border-radius:20px;background:#f0f2ff;color:#1a237e;cursor:pointer;transition:all .3s;font-size:.9rem;border:none}
.category-tabs .tab:hover,.category-tabs .tab.active{background:linear-gradient(135deg,#1a237e,#283593);color:#fff}

/* ========== 影视传媒板块 ========== */
.section-media{padding:60px 0;background:#fff}
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.media-item{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:4/3}
.media-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.media-item:hover img{transform:scale(1.08)}
.media-item .overlay{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,.8));color:#fff}
.media-item .overlay h4{font-size:1.1rem;color:#fff;margin-bottom:4px}
.media-item .overlay p{font-size:.85rem;color:rgba(255,255,255,.8)}

/* ========== 娱乐专区 ========== */
.section-entertainment{padding:60px 0;background:linear-gradient(135deg,#f8f9ff 0%,#fff5f5 100%)}

/* ========== AI赋能板块 ========== */
.section-ai{padding:60px 0;background:#0d1b3e;color:#fff}
.section-ai .section-title h2{color:#fff}
.section-ai .section-title p{color:rgba(255,255,255,.7)}
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.ai-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:30px;text-align:center;transition:transform .3s,background .3s}
.ai-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.12)}
.ai-card .icon{font-size:2.5rem;margin-bottom:16px}
.ai-card h4{color:#fff;font-size:1.15rem;margin-bottom:10px}
.ai-card p{color:rgba(255,255,255,.7);font-size:.9rem}

/* ========== 社区功能 ========== */
.section-community{padding:60px 0;background:#fff}
.community-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:center}
.community-img{border-radius:16px;overflow:hidden}
.community-img img{width:100%;transition:transform .5s}
.community-img:hover img{transform:scale(1.03)}
.community-features{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.comm-feat{background:#f8f9ff;padding:20px;border-radius:12px;transition:box-shadow .3s}
.comm-feat:hover{box-shadow:0 4px 15px rgba(26,35,126,.1)}
.comm-feat h5{color:#1a237e;margin-bottom:6px;font-size:1rem}
.comm-feat p{color:#666;font-size:.85rem}

/* ========== 专家展示 ========== */
.section-experts{padding:60px 0;background:linear-gradient(135deg,#f8f9ff,#fff)}
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.expert-card{background:#fff;border-radius:16px;padding:30px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid #f0f2ff}
.expert-card h4{color:#1a237e;margin-bottom:4px}
.expert-card .title{color:#ff6b6b;font-size:.85rem;margin-bottom:10px}
.expert-card p{color:#666;font-size:.85rem;margin-bottom:14px}
.expert-card .expert-tags{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}
.expert-card .expert-tags span{background:#f0f2ff;color:#1a237e;padding:3px 10px;border-radius:10px;font-size:.75rem}
.expert-btns{display:flex;gap:10px;justify-content:center}
.expert-btns a{padding:6px 16px;border-radius:20px;font-size:.82rem;transition:all .3s}
.expert-btns .btn-sm-primary{background:#1a237e;color:#fff}
.expert-btns .btn-sm-primary:hover{background:#283593;color:#fff}
.expert-btns .btn-sm-outline{border:1px solid #1a237e;color:#1a237e}
.expert-btns .btn-sm-outline:hover{background:#1a237e;color:#fff}

/* ========== 合作品牌 ========== */
.section-partners{padding:60px 0;background:#fff}
.partner-logos{display:flex;gap:30px;justify-content:center;align-items:center;flex-wrap:wrap;opacity:.7}
.partner-logos img{height:50px;filter:grayscale(100%);transition:filter .3s}
.partner-logos img:hover{filter:grayscale(0)}

/* ========== How-To指南 ========== */
.section-howto{padding:60px 0;background:linear-gradient(135deg,#fff5f5,#f8f9ff)}
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:40px}
.step-card{text-align:center;padding:30px 20px;background:#fff;border-radius:16px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.step-card .step-num{width:50px;height:50px;background:linear-gradient(135deg,#1a237e,#283593);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 16px}
.step-card h4{color:#1a237e;margin-bottom:8px}
.step-card p{color:#666;font-size:.85rem}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.faq-item .faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a237e;transition:background .3s}
.faq-item .faq-q:hover{background:#f8f9ff}
.faq-item .faq-q .arrow{transition:transform .3s;font-size:1.2rem}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s;color:#555;font-size:.9rem}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}

/* ========== 联系我们 ========== */
.section-contact{padding:60px 0;background:#fff}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}
.contact-info h3{color:#1a237e;margin-bottom:20px;font-size:1.3rem}
.contact-item{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.contact-item .icon{width:40px;height:40px;background:#f0f2ff;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#1a237e;font-size:1.1rem;flex-shrink:0}
.contact-item .info h5{color:#222;margin-bottom:2px;font-size:.95rem}
.contact-item .info p{color:#666;font-size:.85rem}
.contact-qrcodes{display:flex;gap:30px;margin-top:20px}
.qr-wrap{text-align:center}
.qr-wrap img{width:140px;height:140px;border-radius:8px;margin-bottom:8px}
.qr-wrap p{font-size:.82rem;color:#666}

/* ========== 用户评价 ========== */
.section-reviews{padding:60px 0;background:linear-gradient(135deg,#f8f9ff,#fff5f5)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;padding:24px;border-radius:16px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.review-card .stars{color:#ffc107;margin-bottom:10px;font-size:1.1rem}
.review-card p{color:#555;font-size:.9rem;margin-bottom:14px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#1a237e,#ff6b6b);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem}
.review-card .reviewer .name{font-weight:600;color:#222;font-size:.9rem}
.review-card .reviewer .date{color:#999;font-size:.78rem}

/* ========== 社交分享 ========== */
.share-bar{background:#f0f2ff;padding:20px 0;text-align:center}
.share-bar p{margin-bottom:12px;color:#1a237e;font-weight:600}
.share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-btns a{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;transition:transform .3s}
.share-btns a:hover{transform:scale(1.15)}
.share-btns .wechat{background:#07c160}
.share-btns .weibo{background:#e6162d}
.share-btns .douyin{background:#161823}
.share-btns .bilibili{background:#00a1d6}
.share-btns .qq{background:#12b7f5}

/* ========== 页脚 ========== */
.site-footer{background:linear-gradient(135deg,#0d1b3e,#1a237e);color:rgba(255,255,255,.8);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo-wrap{margin-bottom:16px}
.footer-brand .logo-wrap .brand-name{color:#fff}
.footer-brand p{font-size:.85rem;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:1rem}
.footer-col a{display:block;color:rgba(255,255,255,.6);padding:4px 0;font-size:.85rem;transition:color .3s}
.footer-col a:hover{color:#ff6b6b}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.82rem;color:rgba(255,255,255,.5)}
.footer-bottom .update-time{margin-top:6px;color:rgba(255,255,255,.4)}

/* ========== 面包屑 ========== */
.breadcrumb{padding:14px 0;background:#f0f2ff}
.breadcrumb .container{display:flex;align-items:center;gap:8px;font-size:.85rem}
.breadcrumb a{color:#1a237e}
.breadcrumb span{color:#999}

/* ========== 内页通用 ========== */
.page-hero{background:linear-gradient(135deg,#0d1b3e,#1a237e);padding:50px 0;text-align:center;color:#fff}
.page-hero h1{font-size:2.2rem;color:#fff;margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.8);font-size:1rem}
.page-content{padding:50px 0}

/* ========== 创作中心 ========== */
.creative-showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.creative-item{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.creative-item img{width:100%;aspect-ratio:16/9;object-fit:cover}
.creative-item .info{padding:20px}
.creative-item .info h3{margin-bottom:8px;font-size:1.1rem}
.creative-item .info p{color:#666;font-size:.9rem}

/* ========== 甜心社区 ========== */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 12px rgba(0,0,0,.05);transition:transform .3s}
.topic-card:hover{transform:translateY(-4px)}
.topic-card .topic-icon{font-size:2rem;margin-bottom:12px}
.topic-card h4{color:#1a237e;margin-bottom:8px}
.topic-card p{color:#666;font-size:.85rem;margin-bottom:12px}
.topic-card .topic-stats{display:flex;gap:16px;color:#999;font-size:.8rem}

/* ========== 创作工具 ========== */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tool-card{background:#fff;border-radius:16px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s}
.tool-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.tool-card .tool-icon{width:64px;height:64px;background:linear-gradient(135deg,#1a237e,#283593);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.8rem}
.tool-card h4{color:#1a237e;margin-bottom:8px}
.tool-card p{color:#666;font-size:.85rem;margin-bottom:16px}

/* ========== 关于我们 ========== */
.about-hero{position:relative}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text h3{color:#1a237e;margin-bottom:16px;font-size:1.5rem}
.about-text p{color:#555;margin-bottom:14px;font-size:.95rem}
.about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:30px}
.stat-item{text-align:center;padding:20px;background:#f8f9ff;border-radius:12px}
.stat-item .num{font-size:2rem;font-weight:700;color:#ff6b6b}
.stat-item .label{color:#666;font-size:.85rem;margin-top:4px}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .media-grid,.ai-features,.expert-grid,.review-grid,.tools-grid{grid-template-columns:repeat(2,1fr)}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .about-content{grid-template-columns:1fr}
}
@media(max-width:768px){
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 20px}
  .main-nav{display:none;width:100%;flex-direction:column;background:#1a237e}
  .main-nav.open{display:flex}
  .main-nav a{height:48px;border-bottom:1px solid rgba(255,255,255,.08)}
  .mobile-toggle{display:block}
  .hero-content h1{font-size:1.8rem}
  .hero-section .hero-bg{height:320px}
  .media-grid,.ai-features,.expert-grid,.review-grid,.video-grid,.topic-grid,.tools-grid,.creative-showcase{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section-title h2{font-size:1.5rem}
  .category-tabs .tab{padding:6px 16px;font-size:.82rem}
}
@media(max-width:480px){
  .hero-content h1{font-size:1.4rem}
  .hero-btns{flex-direction:column;align-items:center}
  .btn-primary,.btn-outline{width:100%;text-align:center}
  .share-btns a{width:36px;height:36px;font-size:.85rem}
}

/* ========== 动画 ========== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeInUp .6s ease forwards}

/* ========== 懒加载占位 ========== */
img[loading="lazy"]{background:#f0f2ff;min-height:100px}

/* ========== 视频播放量等数据样式 ========== */
.data-badge{display:inline-flex;align-items:center;gap:4px;background:rgba(0,0,0,.6);color:#fff;padding:3px 8px;border-radius:4px;font-size:.75rem;position:absolute;top:8px;left:8px}

/* ========== 直播标签 ========== */
.live-badge{position:absolute;top:8px;right:8px;background:#ff4444;color:#fff;padding:3px 10px;border-radius:4px;font-size:.75rem;font-weight:600;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}

/* ========== MCP前端代码样式 ========== */
.mcp-widget{background:#f8f9ff;border:1px solid #e0e4ff;border-radius:12px;padding:20px;margin-top:20px}
.mcp-widget h5{color:#1a237e;margin-bottom:10px}
.mcp-widget .mcp-status{display:flex;align-items:center;gap:8px}
.mcp-widget .status-dot{width:8px;height:8px;border-radius:50%;background:#4caf50;animation:pulse 2s infinite}
.mcp-widget .mcp-input{width:100%;padding:10px;border:1px solid #ddd;border-radius:8px;margin-top:10px;font-size:.9rem}