/* =====================================================
   绿帽社 - 主样式文件
   y30u52.cn
   ===================================================== */

/* --- 基础重置 --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;color:#222;background:#fff;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:#7B2FFF}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;outline:none}

/* --- CSS变量 --- */
:root{
  --primary:#7B2FFF;
  --secondary:#FF6B00;
  --gradient:linear-gradient(135deg,#7B2FFF 0%,#FF6B00 100%);
  --dark:#111827;
  --gray:#6B7280;
  --light-gray:#F3F4F6;
  --border:#E5E7EB;
  --white:#fff;
  --shadow:0 4px 24px rgba(123,47,255,.12);
  --radius:12px;
  --transition:.25s ease;
}

/* --- 顶部公告栏 --- */
.top-bar{background:var(--gradient);color:#fff;text-align:center;padding:7px 0;font-size:13px;letter-spacing:.5px}
.top-bar a{color:#fff;text-decoration:underline}

/* --- 头部 --- */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-wrap img{width:44px;height:44px;border-radius:8px;object-fit:cover}
.logo-text{font-size:20px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap}

/* --- 导航 --- */
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{padding:6px 14px;border-radius:6px;font-size:14px;font-weight:500;color:#374151;transition:var(--transition);white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:var(--gradient);color:#fff;-webkit-text-fill-color:#fff}

/* --- 搜索框 --- */
.search-wrap{display:flex;align-items:center;gap:8px;flex:1;max-width:320px}
.search-box{display:flex;align-items:center;background:var(--light-gray);border-radius:24px;padding:6px 16px;width:100%;border:1.5px solid transparent;transition:var(--transition)}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(123,47,255,.1)}
.search-box input{border:none;background:transparent;outline:none;font-size:14px;flex:1;color:#222}
.search-box button{background:none;color:var(--gray);font-size:16px;padding:0 0 0 8px;transition:var(--transition)}
.search-box button:hover{color:var(--primary)}

/* --- 汉堡菜单 --- */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:var(--dark);border-radius:2px;transition:var(--transition)}

/* --- 搜索下方导航条 --- */
.nav-bar{background:var(--light-gray);border-bottom:1px solid var(--border)}
.nav-bar-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:0;overflow-x:auto;scrollbar-width:none}
.nav-bar-inner::-webkit-scrollbar{display:none}
.nav-bar-inner a{padding:10px 18px;font-size:13px;color:#374151;white-space:nowrap;border-bottom:2px solid transparent;transition:var(--transition)}
.nav-bar-inner a:hover,.nav-bar-inner a.active{color:var(--primary);border-bottom-color:var(--primary);background:#fff}

/* --- 英雄Banner --- */
.hero{position:relative;overflow:hidden;background:var(--dark)}
.hero-slider{display:flex;transition:transform .6s ease}
.hero-slide{min-width:100%;position:relative;height:520px}
.hero-slide img{width:100%;height:100%;object-fit:cover;opacity:.8}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(0,0,0,.7) 0%,rgba(0,0,0,.2) 60%,transparent 100%)}
.hero-content{position:absolute;left:8%;top:50%;transform:translateY(-50%);color:#fff;max-width:520px}
.hero-tag{display:inline-block;background:var(--gradient);color:#fff;padding:4px 14px;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:14px;letter-spacing:1px}
.hero-content h1{font-size:clamp(26px,4vw,48px);font-weight:800;line-height:1.2;margin-bottom:14px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.hero-content p{font-size:16px;opacity:.9;margin-bottom:24px;line-height:1.6}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary{background:var(--gradient);color:#fff;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{opacity:.88;transform:translateY(-2px);box-shadow:0 8px 24px rgba(123,47,255,.4);color:#fff}
.btn-outline{border:2px solid #fff;color:#fff;padding:10px 24px;border-radius:8px;font-size:15px;font-weight:600;transition:var(--transition)}
.btn-outline:hover{background:#fff;color:var(--primary)}
.hero-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:var(--transition)}
.hero-dot.active{background:#fff;width:24px;border-radius:4px}

/* --- 通用区块 --- */
.section{padding:60px 0}
.section-alt{background:var(--light-gray)}
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.section-header{text-align:center;margin-bottom:40px}
.section-header h2{font-size:clamp(22px,3vw,32px);font-weight:800;color:var(--dark);margin-bottom:10px}
.section-header h2 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.section-header p{color:var(--gray);font-size:15px;max-width:560px;margin:0 auto}
.section-title-line{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.section-title-line h2{font-size:22px;font-weight:700;color:var(--dark)}
.section-title-line .line{flex:1;height:2px;background:var(--border)}
.section-title-line a{font-size:13px;color:var(--primary);white-space:nowrap}

/* --- 视频卡片 --- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.video-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(123,47,255,.18)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#111}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.3);opacity:0;transition:var(--transition)}
.video-card:hover .play-btn{opacity:1}
.play-btn svg{width:56px;height:56px;fill:rgba(255,255,255,.9);filter:drop-shadow(0 2px 8px rgba(0,0,0,.5));transition:transform .2s}
.video-card:hover .play-btn svg{transform:scale(1.1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;font-size:12px;padding:2px 7px;border-radius:4px}
.video-badge{position:absolute;top:8px;left:8px;background:var(--gradient);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600}
.video-info{padding:14px}
.video-info h3{font-size:15px;font-weight:600;color:var(--dark);margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--gray)}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-author{display:flex;align-items:center;gap:8px;margin-top:10px}
.video-author img{width:28px;height:28px;border-radius:50%;object-fit:cover}
.video-author span{font-size:12px;color:var(--gray)}

/* --- 特色模块 --- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}
.feature-card{background:#fff;border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border)}
.feature-card:hover{border-color:var(--primary);transform:translateY(-4px)}
.feature-icon{width:60px;height:60px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:26px}
.feature-card h3{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feature-card p{font-size:13px;color:var(--gray);line-height:1.6}

/* --- 专家展示 --- */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.expert-card:hover{transform:translateY(-4px)}
.expert-photo{aspect-ratio:3/4;overflow:hidden;background:var(--light-gray)}
.expert-photo img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.expert-card:hover .expert-photo img{transform:scale(1.05)}
.expert-info{padding:16px}
.expert-info h3{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:4px}
.expert-role{font-size:12px;color:var(--primary);font-weight:600;margin-bottom:8px}
.expert-desc{font-size:13px;color:var(--gray);line-height:1.5;margin-bottom:12px}
.expert-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.expert-tag{background:var(--light-gray);color:var(--gray);font-size:11px;padding:3px 8px;border-radius:4px}
.expert-btns{display:flex;gap:8px}
.btn-sm{padding:6px 14px;border-radius:6px;font-size:12px;font-weight:600;transition:var(--transition)}
.btn-sm-primary{background:var(--gradient);color:#fff}
.btn-sm-outline{border:1.5px solid var(--primary);color:var(--primary)}
.btn-sm-outline:hover{background:var(--primary);color:#fff}

/* --- 新闻列表 --- */
.news-list{display:flex;flex-direction:column;gap:20px}
.news-item{display:flex;gap:16px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.news-item:hover{transform:translateX(4px);box-shadow:0 8px 32px rgba(123,47,255,.14)}
.news-thumb{width:180px;flex-shrink:0;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-item:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:16px;flex:1}
.news-cat{display:inline-block;background:var(--gradient);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;margin-bottom:8px}
.news-body h3{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px;line-height:1.4}
.news-body p{font-size:13px;color:var(--gray);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-footer{display:flex;align-items:center;gap:16px;margin-top:10px;font-size:12px;color:var(--gray)}

/* --- 新闻网格 --- */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.news-card:hover{transform:translateY(-4px)}
.news-card-thumb{aspect-ratio:16/9;overflow:hidden}
.news-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-card-thumb img{transform:scale(1.06)}
.news-card-body{padding:16px}
.news-card-body h3{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:8px;line-height:1.4}
.news-card-body p{font-size:13px;color:var(--gray);line-height:1.6}
.news-card-footer{padding:0 16px 16px;display:flex;justify-content:space-between;font-size:12px;color:var(--gray)}

/* --- FAQ --- */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}
.faq-q{padding:16px 20px;font-size:15px;font-weight:600;color:var(--dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
.faq-q:hover{color:var(--primary)}
.faq-q .arrow{font-size:18px;transition:transform .3s;color:var(--primary)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 16px;font-size:14px;color:var(--gray);line-height:1.7}
.faq-item.open .faq-a{display:block}

/* --- 用户评论 --- */
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid var(--border)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:700;flex-shrink:0}
.review-name{font-weight:600;font-size:15px;color:var(--dark)}
.review-date{font-size:12px;color:var(--gray)}
.review-stars{color:#FBBF24;font-size:14px;margin-bottom:8px}
.review-text{font-size:14px;color:#374151;line-height:1.7}

/* --- 合作品牌 --- */
.partners-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px}
.partner-item{background:#fff;border-radius:8px;padding:16px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);font-size:14px;font-weight:600;color:var(--gray);text-align:center;min-height:60px;transition:var(--transition)}
.partner-item:hover{border-color:var(--primary);color:var(--primary)}

/* --- 联系区块 --- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info h3{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:16px}
.contact-list{display:flex;flex-direction:column;gap:12px}
.contact-item{display:flex;gap:12px;align-items:flex-start}
.contact-icon{width:36px;height:36px;border-radius:8px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.contact-text strong{display:block;font-size:14px;color:var(--dark)}
.contact-text span{font-size:13px;color:var(--gray)}
.qr-group{display:flex;gap:20px;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-item img{width:120px;height:120px;border-radius:8px;border:1px solid var(--border)}
.qr-item p{font-size:12px;color:var(--gray);margin-top:6px}

/* --- 社交分享 --- */
.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.share-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;transition:var(--transition)}
.share-wechat{background:#07C160;color:#fff}
.share-weibo{background:#E6162D;color:#fff}
.share-douyin{background:#000;color:#fff}
.share-bilibili{background:#00A1D6;color:#fff}
.share-btn:hover{opacity:.85;transform:translateY(-2px)}

/* --- 面包屑 --- */
.breadcrumb{background:var(--light-gray);padding:10px 0;font-size:13px;color:var(--gray)}
.breadcrumb-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:6px}
.breadcrumb-inner a{color:var(--gray)}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-inner span{color:var(--primary)}

/* --- 内页头部 --- */
.page-hero{background:var(--gradient);color:#fff;padding:48px 0;text-align:center}
.page-hero h1{font-size:clamp(24px,4vw,40px);font-weight:800;margin-bottom:10px}
.page-hero p{font-size:16px;opacity:.9;max-width:600px;margin:0 auto}

/* --- 侧边栏 --- */
.content-layout{display:grid;grid-template-columns:1fr 300px;gap:32px;align-items:start}
.sidebar{display:flex;flex-direction:column;gap:20px}
.sidebar-widget{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.sidebar-widget h3{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.sidebar-list{display:flex;flex-direction:column;gap:10px}
.sidebar-list a{font-size:14px;color:#374151;display:flex;align-items:center;gap:8px;transition:var(--transition)}
.sidebar-list a:hover{color:var(--primary)}
.sidebar-list a::before{content:"▶";font-size:10px;color:var(--primary)}

/* --- 评论区 --- */
.comment-section{margin-top:40px}
.comment-section h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid var(--border)}
.comment-list{display:flex;flex-direction:column;gap:16px}
.comment-item{display:flex;gap:12px}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700;flex-shrink:0}
.comment-body{flex:1;background:var(--light-gray);border-radius:8px;padding:12px 16px}
.comment-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.comment-name{font-weight:600;font-size:14px;color:var(--dark)}
.comment-time{font-size:12px;color:var(--gray)}
.comment-text{font-size:14px;color:#374151;line-height:1.6}
.comment-reply{font-size:12px;color:var(--primary);margin-top:6px;cursor:pointer}

/* --- 分页 --- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.page-btn{width:36px;height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:14px;border:1.5px solid var(--border);color:var(--gray);transition:var(--transition)}
.page-btn:hover,.page-btn.active{background:var(--gradient);color:#fff;border-color:transparent}

/* --- 统计数字 --- */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px}
.stat-card{background:#fff;border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.stat-number{font-size:36px;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.stat-label{font-size:14px;color:var(--gray);margin-top:6px}

/* --- 标签云 --- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{padding:5px 12px;border-radius:20px;font-size:13px;border:1.5px solid var(--border);color:var(--gray);transition:var(--transition)}
.tag:hover{border-color:var(--primary);color:var(--primary);background:rgba(123,47,255,.05)}

/* --- 底部 --- */
.site-footer{background:var(--dark);color:#9CA3AF;padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-brand .logo-text{font-size:22px;margin-bottom:12px;display:block}
.footer-brand p{font-size:13px;line-height:1.7;margin-bottom:16px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:14px;transition:var(--transition)}
.footer-social a:hover{background:var(--gradient)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:8px}
.footer-col ul li a{font-size:13px;color:#9CA3AF;transition:var(--transition)}
.footer-col ul li a:hover{color:#fff}
.footer-qr{display:flex;gap:16px;margin-top:12px}
.footer-qr-item{text-align:center}
.footer-qr-item img{width:80px;height:80px;border-radius:6px}
.footer-qr-item p{font-size:11px;color:#6B7280;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:16px 20px;text-align:center;font-size:13px;color:#6B7280}
.footer-bottom a{color:#9CA3AF}
.footer-bottom a:hover{color:#fff}

/* --- 直播卡片 --- */
.live-badge{display:inline-flex;align-items:center;gap:4px;background:#E53E3E;color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600}
.live-dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:blink 1s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

/* --- 加载动画 --- */
.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite}
@keyframes skeleton-loading{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* --- 响应式 --- */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .content-layout{grid-template-columns:1fr}
  .sidebar{display:grid;grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .main-nav{display:none;position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--border);box-shadow:0 8px 24px rgba(0,0,0,.1);z-index:999}
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 16px;border-radius:8px;font-size:15px}
  .hamburger{display:flex}
  .hero-slide{height:320px}
  .hero-content h1{font-size:22px}
  .contact-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column}
  .news-thumb{width:100%;height:180px}
  .footer-grid{grid-template-columns:1fr}
  .search-wrap{max-width:200px}
  .sidebar{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero-slide{height:240px}
  .hero-content{left:5%}
  .hero-btns{flex-direction:column}
  .btn-primary,.btn-outline{width:100%;justify-content:center}
  .stats-grid{grid-template-columns:1fr 1fr}
}

/* --- 工具类 --- */
.text-gradient{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.badge-primary{background:rgba(123,47,255,.1);color:var(--primary)}
.badge-hot{background:rgba(255,107,0,.1);color:var(--secondary)}
.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}
.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}
.text-center{text-align:center}
.text-gray{color:var(--gray)}
.font-bold{font-weight:700}
.flex{display:flex}.items-center{align-items:center}.gap-2{gap:8px}.gap-4{gap:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
@media(max-width:1024px){.grid-4{grid-template-columns:1fr 1fr}}

/* --- 内页文章 --- */
.article-content{font-size:15px;line-height:1.9;color:#374151}
.article-content h2{font-size:20px;font-weight:700;color:var(--dark);margin:24px 0 12px}
.article-content h3{font-size:17px;font-weight:700;color:var(--dark);margin:20px 0 10px}
.article-content p{margin-bottom:14px}
.article-content img{border-radius:8px;margin:16px 0;width:100%}
.article-content blockquote{border-left:4px solid var(--primary);padding:12px 16px;background:rgba(123,47,255,.05);border-radius:0 8px 8px 0;margin:16px 0;color:var(--gray)}

/* --- 热门标签 --- */
.hot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.hot-tag{padding:4px 12px;background:var(--light-gray);border-radius:20px;font-size:12px;color:var(--gray);transition:var(--transition)}
.hot-tag:hover{background:var(--gradient);color:#fff}

/* --- 进度条 --- */
.progress-bar{background:var(--light-gray);border-radius:4px;height:6px;overflow:hidden;margin-top:6px}
.progress-fill{height:100%;border-radius:4px;background:var(--gradient)}

/* --- 通知栏 --- */
.notice-bar{background:rgba(123,47,255,.08);border:1px solid rgba(123,47,255,.2);border-radius:8px;padding:12px 16px;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--primary);margin-bottom:24px}