/* st直播 - y93mwv.cn 主样式文件 */
/* 版本：2026.07.28 */

/* ===== CSS变量 ===== */
:root {
  --primary: #E63950;
  --primary-dark: #C42D42;
  --secondary: #7B2FFF;
  --accent: #FF3CAC;
  --grad: linear-gradient(135deg, #E63950 0%, #7B2FFF 50%, #FF3CAC 100%);
  --grad-btn: linear-gradient(135deg, #E63950, #C42D42);
  --dark: #0A0A0F;
  --dark2: #12121A;
  --dark3: #1A1A26;
  --card: #16161F;
  --border: rgba(255,255,255,.08);
  --text: #F0F0F5;
  --text-muted: rgba(240,240,245,.55);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,.4);
  --shadow-card: 0 4px 20px rgba(0,0,0,.3);
  --transition: all .25s ease;
}

/* ===== 重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{background:var(--dark);color:var(--text);font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;line-height:1.6;min-height:100vh;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
button{cursor:pointer;font-family:inherit}

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

/* ===== 头部 ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(10,10,15,.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:24px;height:64px}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-img{height:34px;width:auto;object-fit:contain}
.logo-text{font-size:1.25rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:.02em}
.main-nav{display:flex;gap:4px;flex:1;justify-content:center}
.main-nav a{color:var(--text-muted);font-size:.9rem;font-weight:500;padding:8px 14px;border-radius:var(--radius-sm);transition:var(--transition);white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--text);background:rgba(255,255,255,.06)}
.main-nav a.active{color:var(--primary)}
.mobile-menu-btn{display:none;background:none;border:none;color:var(--text);padding:8px;border-radius:var(--radius-sm)}
.mobile-menu-btn svg{width:24px;height:24px;fill:currentColor}

/* ===== 搜索栏 ===== */
.search-bar-row{background:var(--dark2);border-bottom:1px solid var(--border);padding:10px 0}
.search-bar-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
#searchForm{display:flex;gap:0;flex:1;max-width:500px}
#searchForm input{flex:1;background:var(--dark3);border:1px solid var(--border);border-right:none;color:var(--text);padding:9px 16px;border-radius:var(--radius-sm) 0 0 var(--radius-sm);font-size:.88rem;outline:none;transition:var(--transition)}
#searchForm input:focus{border-color:var(--primary)}
#searchForm button{background:var(--grad-btn);border:none;color:#fff;padding:9px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.88rem;font-weight:600;transition:var(--transition)}
#searchForm button:hover{opacity:.85}
.search-hot{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.8rem}
.search-hot span{color:var(--text-muted)}
.search-hot a{color:var(--text-muted);padding:3px 10px;background:var(--dark3);border-radius:20px;border:1px solid var(--border);transition:var(--transition)}
.search-hot a:hover{color:var(--primary);border-color:var(--primary)}

/* ===== 移动端导航 ===== */
.mobile-nav{position:fixed;top:0;right:-280px;width:280px;height:100vh;background:var(--dark2);border-left:1px solid var(--border);z-index:2000;padding:70px 20px 20px;transition:right .3s ease;display:flex;flex-direction:column;gap:4px}
.mobile-nav.open{right:0}
.mobile-nav a{color:var(--text-muted);padding:12px 16px;border-radius:var(--radius-sm);font-size:.95rem;transition:var(--transition)}
.mobile-nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.mobile-nav-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--text-muted);font-size:1.2rem;padding:8px;border-radius:var(--radius-sm)}

/* ===== Hero轮播 ===== */
.hero{position:relative;overflow:hidden;background:var(--dark2)}
.hero-slider{position:relative;height:520px}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(10,10,15,.9) 0%,rgba(10,10,15,.5) 50%,rgba(10,10,15,.2) 100%)}
.hero-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);max-width:1200px;width:100%;padding:0 20px}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:20px;margin-bottom:16px;letter-spacing:.05em}
.hero-badge::before{content:'';width:6px;height:6px;background:#fff;border-radius:50%;animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero-content h1{font-size:2.8rem;font-weight:900;line-height:1.2;margin-bottom:16px;color:#fff}
.hero-content h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content p{font-size:1rem;color:rgba(255,255,255,.75);max-width:540px;margin-bottom:28px;line-height:1.7}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:10}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.3);cursor:pointer;transition:var(--transition)}
.hero-dot.active{background:#fff;width:24px;border-radius:4px}

/* ===== 按钮 ===== */
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--grad-btn);color:#fff;padding:12px 24px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:700;border:none;transition:var(--transition);cursor:pointer;text-decoration:none}
.btn-primary:hover{opacity:.85;transform:translateY(-1px);color:#fff}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:rgba(255,255,255,.8);padding:12px 24px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;border:1px solid rgba(255,255,255,.25);transition:var(--transition);cursor:pointer;text-decoration:none}
.btn-outline:hover{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-sm{padding:7px 14px;font-size:.8rem;border-radius:6px;border:none;cursor:pointer;transition:var(--transition);font-weight:600}
.btn-sm-primary{background:var(--grad-btn);color:#fff}
.btn-sm-primary:hover{opacity:.85}
.btn-sm-outline{background:transparent;color:var(--text-muted);border:1px solid var(--border)}
.btn-sm-outline:hover{color:var(--text);border-color:rgba(255,255,255,.3)}

/* ===== 统计栏 ===== */
.stats-bar{background:var(--dark2);border-bottom:1px solid var(--border);padding:20px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item h3{font-size:2rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.stat-item p{font-size:.82rem;color:var(--text-muted);margin-top:4px}

/* ===== 通用区块 ===== */
.section{padding:64px 0}
.section-alt{background:var(--dark2)}
.section-header{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;color:var(--primary);background:rgba(230,57,80,.1);border:1px solid rgba(230,57,80,.2);padding:4px 12px;border-radius:20px;margin-bottom:12px}
.section-header h2{font-size:2rem;font-weight:900;margin-bottom:12px}
.section-header h2 span{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-header p{color:var(--text-muted);max-width:600px;margin:0 auto;font-size:.95rem}

/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);cursor:pointer;transition:var(--transition)}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(230,57,80,.3)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark3)}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease;background:rgba(0,0,0,.3)}
.video-card:hover .play-btn{opacity:1}
.play-icon{width:52px;height:52px;background:rgba(230,57,80,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(230,57,80,.5);transition:transform .2s ease}
.play-icon:hover{transform:scale(1.1)}
.play-icon svg{width:20px;height:20px;fill:#fff;margin-left:3px}
.video-badge{position:absolute;top:10px;left:10px;background:var(--primary);color:#fff;font-size:.7rem;font-weight:700;padding:3px 8px;border-radius:4px}
.video-duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.75);color:#fff;font-size:.72rem;padding:2px 7px;border-radius:4px}
.video-info{padding:14px}
.video-title{font-size:.9rem;font-weight:600;line-height:1.4;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:.75rem;color:var(--text-muted);flex-wrap:wrap}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-meta svg{width:13px;height:13px;fill:currentColor}

/* ===== 功能卡片 ===== */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition)}
.feature-card:hover{border-color:rgba(230,57,80,.3);transform:translateY(-3px);box-shadow:var(--shadow-card)}
.feature-icon{font-size:2rem;margin-bottom:16px;width:52px;height:52px;background:rgba(230,57,80,.1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}
.feature-card h3{font-size:1rem;font-weight:700;margin-bottom:10px}
.feature-card p{font-size:.85rem;color:var(--text-muted);line-height:1.6}

/* ===== 专家卡片 ===== */
.experts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.expert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(230,57,80,.3)}
.expert-avatar{aspect-ratio:1;overflow:hidden}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-info{padding:16px}
.expert-name{font-size:1rem;font-weight:700;margin-bottom:4px}
.expert-role{font-size:.78rem;color:var(--primary);margin-bottom:8px;font-weight:600}
.expert-desc{font-size:.82rem;color:var(--text-muted);line-height:1.5;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.expert-btns{display:flex;gap:8px}

/* ===== 社区网格 ===== */
.community-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.community-img img{border-radius:var(--radius);box-shadow:var(--shadow)}
.community-content .section-tag{margin-bottom:12px}
.community-content h2{font-size:1.8rem;font-weight:900;margin-bottom:16px}
.community-content p{color:var(--text-muted);margin-bottom:16px;line-height:1.7}
.community-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.tag{background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--text-muted);font-size:.78rem;padding:4px 12px;border-radius:20px;transition:var(--transition)}
.tag:hover{color:var(--primary);border-color:var(--primary)}

/* ===== 合作伙伴 ===== */
.partners-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partner-logo{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;text-align:center;transition:var(--transition)}
.partner-logo:hover{border-color:rgba(230,57,80,.3);transform:translateY(-2px)}
.partner-logo span{font-size:.85rem;font-weight:600;color:var(--text-muted)}

/* ===== 步骤 ===== */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center;position:relative;transition:var(--transition)}
.step-card:hover{border-color:rgba(230,57,80,.3);transform:translateY(-3px)}
.step-num{width:48px;height:48px;background:var(--grad-btn);color:#fff;border-radius:50%;font-size:1.2rem;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.step-card h3{font-size:.95rem;font-weight:700;margin-bottom:10px}
.step-card p{font-size:.83rem;color:var(--text-muted);line-height:1.6}

/* ===== 联系 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info h3{font-size:1.2rem;font-weight:700;margin-bottom:20px}
.contact-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:20px}
.contact-icon{font-size:1.3rem;flex-shrink:0;width:40px;height:40px;background:rgba(230,57,80,.1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}
.contact-label{font-size:.75rem;color:var(--text-muted);margin-bottom:2px}
.contact-value{font-size:.9rem;font-weight:600}
.qr-codes{display:flex;gap:20px}
.qr-item{text-align:center}
.qr-item p{font-size:.78rem;color:var(--text-muted);margin-top:6px}

/* ===== 评价 ===== */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:var(--transition)}
.review-card:hover{border-color:rgba(230,57,80,.3);transform:translateY(-3px)}
.review-header{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;font-size:1rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.review-name{font-size:.88rem;font-weight:600}
.review-date{font-size:.75rem;color:var(--text-muted)}
.stars{color:#FFB800;font-size:.95rem;margin-bottom:10px;letter-spacing:.05em}
.review-text{font-size:.83rem;color:var(--text-muted);line-height:1.6}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item.open{border-color:rgba(230,57,80,.3)}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;cursor:pointer;font-size:.92rem;font-weight:600;gap:12px}
.faq-q svg{width:20px;height:20px;fill:var(--text-muted);flex-shrink:0;transition:transform .3s ease}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:300px}
.faq-a p{padding:0 20px 18px;font-size:.85rem;color:var(--text-muted);line-height:1.7}

/* ===== 新闻 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:var(--transition)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(230,57,80,.3)}
.news-thumb{aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:16px}
.news-cat{display:inline-block;background:rgba(230,57,80,.1);color:var(--primary);font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:4px;margin-bottom:8px}
.news-title{font-size:.92rem;font-weight:700;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--text);transition:var(--transition)}
.news-title a:hover{color:var(--primary)}
.news-excerpt{font-size:.8rem;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.news-footer{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted)}

/* ===== 分页 ===== */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.page-btn{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--card);border:1px solid var(--border);color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.85rem;transition:var(--transition)}
.page-btn.active,.page-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ===== 面包屑 ===== */
.breadcrumb{background:var(--dark2);border-bottom:1px solid var(--border);padding:10px 0}
.breadcrumb-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-muted);flex-wrap:wrap}
.breadcrumb-inner a{color:var(--text-muted);transition:var(--transition)}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-inner .sep{color:var(--border)}
.breadcrumb-inner .current{color:var(--text)}

/* ===== 页面头部 ===== */
.page-hero{background:linear-gradient(135deg,var(--dark2),var(--dark));padding:60px 0;text-align:center;border-bottom:1px solid var(--border)}
.page-hero h1{font-size:2.2rem;font-weight:900;margin-bottom:16px}
.page-hero h1 span{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-hero p{color:var(--text-muted);max-width:640px;margin:0 auto;line-height:1.7}

/* ===== 直播页面 ===== */
.live-grid{display:grid;grid-template-columns:1fr 320px;gap:24px}
.live-player{position:relative;aspect-ratio:16/9;background:var(--dark3);border-radius:var(--radius);overflow:hidden}
.live-player img{width:100%;height:100%;object-fit:cover}
.live-player-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.7),transparent);display:flex;flex-direction:column;justify-content:flex-end;padding:20px}
.live-indicator{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:4px;margin-bottom:8px;width:fit-content}
.live-info{padding:16px;background:var(--card);border-radius:0 0 var(--radius) var(--radius);border:1px solid var(--border);border-top:none}
.live-info h3{font-size:.95rem;font-weight:700;margin-bottom:10px}
.live-stats{display:flex;gap:16px;font-size:.78rem;color:var(--text-muted);flex-wrap:wrap}
.danmaku-list{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;height:500px}
.danmaku-header{padding:14px 16px;border-bottom:1px solid var(--border);font-size:.88rem;font-weight:700}
.danmaku-body{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:8px}
.danmaku-body::-webkit-scrollbar{width:4px}
.danmaku-body::-webkit-scrollbar-track{background:transparent}
.danmaku-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
.danmaku-item{font-size:.82rem;line-height:1.4}
.danmaku-user{color:var(--primary);font-weight:600}
.danmaku-text{color:var(--text-muted)}

/* ===== 工具卡片 ===== */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition)}
.tool-card:hover{border-color:rgba(230,57,80,.3);transform:translateY(-3px);box-shadow:var(--shadow-card)}
.tool-icon{font-size:2rem;margin-bottom:16px}
.tool-card h3{font-size:1rem;font-weight:700;margin-bottom:10px}
.tool-card p{font-size:.83rem;color:var(--text-muted);line-height:1.6;margin-bottom:12px}
.tool-tag{display:inline-block;background:rgba(123,47,255,.1);color:var(--secondary);font-size:.72rem;padding:2px 8px;border-radius:4px;font-weight:600}

/* ===== 评论 ===== */
.comments-section{display:flex;flex-direction:column;gap:16px}
.comment-item{display:flex;gap:14px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;font-size:.95rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.comment-body{flex:1}
.comment-name{font-size:.88rem;font-weight:700;margin-bottom:2px}
.comment-date{font-size:.75rem;color:var(--text-muted);margin-bottom:8px}
.comment-body p:last-child{font-size:.85rem;color:var(--text-muted);line-height:1.6}

/* ===== 分享栏 ===== */
.share-bar{background:var(--dark2);border-top:1px solid var(--border);padding:12px 0}
.share-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:12px}
.share-label{font-size:.82rem;color:var(--text-muted)}
.share-btns{display:flex;gap:8px}
.share-btn{padding:6px 14px;border:none;border-radius:6px;font-size:.78rem;font-weight:600;cursor:pointer;transition:var(--transition)}
.share-wechat{background:#07C160;color:#fff}
.share-weibo{background:#E6162D;color:#fff}
.share-douyin{background:#000;color:#fff;border:1px solid rgba(255,255,255,.2)}
.share-bilibili{background:#00A1D6;color:#fff}
.share-btn:hover{opacity:.85;transform:translateY(-1px)}

/* ===== 底部 ===== */
.site-footer{background:var(--dark2);border-top:1px solid var(--border);padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:40px}
.footer-brand .logo-text{font-size:1.3rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block;margin-bottom:12px}
.footer-brand p{font-size:.83rem;color:var(--text-muted);line-height:1.7;margin-bottom:16px}
.footer-social{display:flex;gap:8px}
.social-btn{width:34px;height:34px;background:var(--dark3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);font-size:.78rem;font-weight:700;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.social-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.footer-col h4{font-size:.9rem;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:.82rem;color:var(--text-muted);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:.8rem;color:var(--text-muted)}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:.78rem;color:var(--text-muted);transition:var(--transition)}
.footer-links a:hover{color:var(--primary)}

/* ===== 文章页 ===== */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.article-header{margin-bottom:28px}
.article-header h1{font-size:1.6rem;font-weight:900;line-height:1.4;margin:10px 0 14px}
.article-meta{display:flex;gap:16px;font-size:.8rem;color:var(--text-muted);flex-wrap:wrap}
.article-body{font-size:.92rem;line-height:1.8;color:rgba(240,240,245,.85)}
.article-body p{margin-bottom:16px}
.article-body img{border-radius:var(--radius);margin:20px 0;width:100%}
.article-body h2,.article-body h3{font-weight:700;margin:24px 0 12px}
.article-tags{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.article-tags span{font-size:.82rem;color:var(--text-muted)}
.article-sidebar{position:sticky;top:80px}
.sidebar-widget{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.sidebar-widget h4{font-size:.9rem;font-weight:700;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.sidebar-list li{margin-bottom:10px}
.sidebar-list li a{font-size:.82rem;color:var(--text-muted);transition:var(--transition);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sidebar-list li a:hover{color:var(--primary)}
.sidebar-video{position:relative;aspect-ratio:16/9;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer}
.sidebar-video img{width:100%;height:100%;object-fit:cover}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .experts-grid{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .tools-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{position:static}
  .live-grid{grid-template-columns:1fr}
  .danmaku-list{height:300px}
}
@media(max-width:768px){
  .hero-slider{height:380px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:.88rem}
  .main-nav{display:none}
  .mobile-menu-btn{display:flex}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid{grid-template-columns:1fr 1fr}
  .experts-grid{grid-template-columns:1fr 1fr}
  .features-grid{grid-template-columns:1fr}
  .tools-grid{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr}
  .community-img{display:none}
  .contact-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .partners-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
  .section-header h2{font-size:1.5rem}
  .page-hero h1{font-size:1.6rem}
  .search-bar-inner{flex-direction:column;align-items:stretch}
  #searchForm{max-width:100%}
}
@media(max-width:480px){
  .hero-slider{height:280px}
  .hero-content h1{font-size:1.4rem}
  .hero-btns{flex-direction:column}
  .video-grid{grid-template-columns:1fr}
  .experts-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .partners-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ===== 动画 ===== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.section{animation:fadeInUp .6s ease both}

/* ===== 滚动条 ===== */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--dark)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}