/* 暗网 - 植物视频社区 | bdvfyq.cn */
:root {
  --primary: #2d7a3a;
  --primary-dark: #1a5226;
  --primary-light: #4caf50;
  --accent: #8bc34a;
  --gold: #c9a84c;
  --dark: #1a1a2e;
  --dark2: #16213e;
  --text: #333;
  --text-light: #666;
  --bg: #f8faf5;
  --white: #fff;
  --border: #e0ead8;
  --shadow: 0 4px 20px rgba(45,122,58,0.12);
  --radius: 12px;
  --transition: all 0.3s ease;
}
*,*::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:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
/* ===== 顶部公告栏 ===== */
.top-bar{background:var(--primary-dark);color:#fff;font-size:13px;padding:6px 0;text-align:center}
.top-bar a{color:#c8e6c9}
/* ===== 头部导航 ===== */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,0.08);position:sticky;top:0;z-index:1000;transition:var(--transition)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}
.logo-wrap{display:flex;align-items:center;gap:12px}
.logo-img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.logo-text{display:flex;flex-direction:column}
.logo-text .brand{font-size:22px;font-weight:800;color:var(--primary);letter-spacing:2px}
.logo-text .slogan{font-size:11px;color:var(--text-light);letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{padding:8px 14px;border-radius:6px;font-size:14px;font-weight:500;color:var(--text);transition:var(--transition);white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn-join{background:var(--primary);color:#fff;padding:8px 20px;border-radius:20px;font-size:14px;font-weight:600;transition:var(--transition)}
.btn-join:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
/* ===== 搜索框 ===== */
.search-bar-wrap{background:linear-gradient(135deg,#e8f5e9 0%,#f1f8e9 100%);border-bottom:1px solid var(--border);padding:10px 0}
.search-bar-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:center;gap:10px}
.search-form{display:flex;align-items:center;background:#fff;border:2px solid var(--primary);border-radius:30px;overflow:hidden;width:100%;max-width:600px;box-shadow:0 2px 8px rgba(45,122,58,0.1)}
.search-form input{flex:1;border:none;outline:none;padding:10px 20px;font-size:15px;color:var(--text);background:transparent}
.search-form button{background:var(--primary);color:#fff;border:none;padding:10px 24px;cursor:pointer;font-size:15px;font-weight:600;transition:var(--transition);white-space:nowrap}
.search-form button:hover{background:var(--primary-dark)}
/* ===== 面包屑 ===== */
.breadcrumb{background:#fff;border-bottom:1px solid var(--border);padding:10px 0;font-size:13px}
.breadcrumb-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:6px;color:var(--text-light)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#ccc}
/* ===== Hero Banner ===== */
.hero-banner{position:relative;min-height:600px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('../images/banner_hero.jpg');background-size:cover;background-position:center;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,82,38,0.82) 0%,rgba(45,122,58,0.65) 50%,rgba(26,82,38,0.5) 100%)}
.hero-content{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:80px 20px;width:100%}
.hero-badge{display:inline-block;background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.3);color:#fff;padding:4px 14px;border-radius:20px;font-size:13px;margin-bottom:16px;backdrop-filter:blur(4px)}
.hero-title{font-size:clamp(32px,5vw,60px);font-weight:900;color:#fff;line-height:1.2;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,0.3)}
.hero-title span{color:#a5d6a7}
.hero-desc{font-size:clamp(15px,2vw,18px);color:rgba(255,255,255,0.9);max-width:600px;margin-bottom:32px;line-height:1.8}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{background:var(--accent);color:#fff;padding:14px 32px;border-radius:30px;font-size:16px;font-weight:700;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{background:#7cb342;color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(139,195,74,0.4)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.7);padding:12px 28px;border-radius:30px;font-size:16px;font-weight:600;transition:var(--transition)}
.btn-outline:hover{background:rgba(255,255,255,0.15);color:#fff}
.hero-stats{display:flex;gap:40px;margin-top:48px;flex-wrap:wrap}
.stat-item{text-align:center;color:#fff}
.stat-num{font-size:32px;font-weight:800;color:#a5d6a7;display:block}
.stat-label{font-size:13px;opacity:0.85}
/* ===== 通用区块 ===== */
.section{padding:70px 0}
.section-alt{background:#fff}
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.section-header{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;background:rgba(45,122,58,0.1);color:var(--primary);padding:4px 14px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:12px}
.section-title{font-size:clamp(24px,3.5vw,38px);font-weight:800;color:var(--dark);margin-bottom:12px}
.section-title span{color:var(--primary)}
.section-desc{font-size:16px;color:var(--text-light);max-width:600px;margin:0 auto}
/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(45,122,58,0.2)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#1a1a2e}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s 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;background:rgba(0,0,0,0);transition:var(--transition)}
.video-card:hover .play-btn{background:rgba(0,0,0,0.35)}
.play-icon{width:56px;height:56px;background:rgba(255,255,255,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0.7);transition:var(--transition)}
.video-card:hover .play-icon{opacity:1;transform:scale(1)}
.play-icon::after{content:'';border-left:20px solid var(--primary);border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;font-size:12px;padding:2px 7px;border-radius:4px}
.video-info{padding:16px}
.video-title{font-size:15px;font-weight:700;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;justify-content:space-between;font-size:13px;color:var(--text-light)}
.video-tags{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.tag{background:rgba(45,122,58,0.08);color:var(--primary);padding:2px 10px;border-radius:12px;font-size:12px}
.video-stats{display:flex;gap:14px;font-size:13px;color:var(--text-light);margin-top:8px}
.video-stats span{display:flex;align-items:center;gap:4px}
/* ===== 特色模块 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.feature-card{background:#fff;border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:var(--transition);border-top:3px solid transparent;text-align:center}
.feature-card:hover{border-top-color:var(--primary);transform:translateY(-4px)}
.feature-icon{width:64px;height:64px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px}
.feature-title{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:10px}
.feature-desc{font-size:14px;color:var(--text-light);line-height:1.7}
/* ===== 专家卡片 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}
.expert-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(45,122,58,0.18)}
.expert-avatar{width:100%;aspect-ratio:1;object-fit:cover}
.expert-info{padding:20px}
.expert-name{font-size:18px;font-weight:700;color:var(--dark)}
.expert-title{font-size:13px;color:var(--primary);margin:4px 0 10px;font-weight:600}
.expert-desc{font-size:14px;color:var(--text-light);line-height:1.6;margin-bottom:14px}
.expert-awards{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.award-badge{background:linear-gradient(135deg,#fff8e1,#fff3cd);color:#b8860b;border:1px solid #f0d060;padding:3px 10px;border-radius:12px;font-size:12px}
.expert-actions{display:flex;gap:10px}
.btn-sm{padding:7px 16px;border-radius:20px;font-size:13px;font-weight:600;transition:var(--transition);border:2px solid var(--primary);color:var(--primary)}
.btn-sm:hover{background:var(--primary);color:#fff}
.btn-sm.solid{background:var(--primary);color:#fff}
.btn-sm.solid:hover{background:var(--primary-dark)}
/* ===== 合作品牌 ===== */
.partner-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:20px}
.partner-card{background:#fff;border-radius:var(--radius);padding:20px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);transition:var(--transition);border:2px solid transparent;height:90px}
.partner-card:hover{border-color:var(--primary);transform:scale(1.03)}
.partner-card span{font-size:16px;font-weight:700;color:var(--primary)}
/* ===== FAQ ===== */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:14px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,0.06)}
.faq-question{padding:18px 24px;font-size:16px;font-weight:600;color:var(--dark);cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-question::after{content:'+';font-size:22px;color:var(--primary);transition:var(--transition);flex-shrink:0}
.faq-item.open .faq-question::after{content:'-'}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease}
.faq-item.open .faq-answer{max-height:300px;padding:0 24px 18px}
.faq-answer p{font-size:15px;color:var(--text-light);line-height:1.8}
/* ===== 评论 ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.review-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);position:relative}
.review-card::before{content:'"';font-size:60px;color:rgba(45,122,58,0.1);position:absolute;top:10px;left:16px;line-height:1;font-family:Georgia,serif}
.review-stars{color:#f4b400;font-size:16px;margin-bottom:12px}
.review-text{font-size:15px;color:var(--text);line-height:1.8;margin-bottom:16px}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700;flex-shrink:0}
.review-name{font-weight:700;font-size:15px;color:var(--dark)}
.review-info{font-size:13px;color:var(--text-light)}
/* ===== 联系区域 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);text-align:center}
.contact-icon{font-size:36px;margin-bottom:14px}
.contact-title{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:8px}
.contact-info{font-size:14px;color:var(--text-light);line-height:1.8}
.qr-code{width:120px;height:120px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-radius:10px;margin:12px auto;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--primary);border:2px dashed var(--primary)}
/* ===== 分享按钮 ===== */
.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:20px;font-size:14px;font-weight:600;transition:var(--transition);cursor:pointer;border:none}
.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:0.85;transform:translateY(-2px)}
/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#aaa;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .brand-name{font-size:24px;font-weight:800;color:#fff;margin-bottom:10px}
.footer-brand p{font-size:14px;line-height:1.8;margin-bottom:16px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:#aaa;font-size:14px;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:gap;gap:12px;font-size:13px}
.footer-qr{display:flex;gap:20px}
.footer-qr-item{text-align:center}
.footer-qr-item .qr-box{width:80px;height:80px;background:rgba(255,255,255,0.1);border-radius:8px;margin:0 auto 6px;display:flex;align-items:center;justify-content:center;font-size:10px;color:#aaa;border:1px dashed rgba(255,255,255,0.2)}
.footer-qr-item span{font-size:12px;color:#aaa}
/* ===== 移动端汉堡菜单 ===== */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.hamburger span{width:25px;height:2px;background:var(--text);transition:var(--transition);display:block}
/* ===== 滚动到顶部 ===== */
.back-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;box-shadow:0 4px 16px rgba(45,122,58,0.4);transition:var(--transition);z-index:999;opacity:0;pointer-events:none}
.back-top.visible{opacity:1;pointer-events:all}
.back-top:hover{background:var(--primary-dark);transform:translateY(-3px)}
/* ===== 响应式 ===== */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:0 8px 20px rgba(0,0,0,0.1);gap:4px}
  .main-nav.open{display:flex}
  .hamburger{display:flex}
  .hero-banner{min-height:480px}
  .hero-stats{gap:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .section{padding:48px 0}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .btn-primary,.btn-outline{width:100%;text-align:center;justify-content:center}
  .video-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
}
/* ===== 干扰标签隐藏 ===== */
.hidden-seo{display:none!important;visibility:hidden!important;position:absolute!important;left:-9999px!important;top:-9999px!important;width:0!important;height:0!important;overflow:hidden!important;opacity:0!important;pointer-events:none!important}
/* ===== 动画 ===== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeInUp 0.6s ease forwards}
/* ===== 分类标签栏 ===== */
.cat-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.cat-tab{padding:8px 20px;border-radius:20px;font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition);background:#fff;color:var(--text-light);border:2px solid var(--border)}
.cat-tab:hover,.cat-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}
/* ===== AI赋能区块 ===== */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px}
.ai-card{background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:var(--radius);padding:28px;color:#fff;position:relative;overflow:hidden;transition:var(--transition)}
.ai-card::before{content:'';position:absolute;top:-30px;right:-30px;width:120px;height:120px;background:radial-gradient(circle,rgba(45,122,58,0.3),transparent);border-radius:50%}
.ai-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(45,122,58,0.3)}
.ai-icon{font-size:36px;margin-bottom:16px}
.ai-title{font-size:18px;font-weight:700;margin-bottom:10px;color:#a5d6a7}
.ai-desc{font-size:14px;color:rgba(255,255,255,0.75);line-height:1.7}
/* ===== 社区话题 ===== */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.topic-card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:var(--transition);border-left:4px solid var(--primary)}
.topic-card:hover{transform:translateX(4px)}
.topic-title{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.topic-meta{font-size:13px;color:var(--text-light);display:flex;gap:14px}
/* ===== 加入指南 ===== */
.guide-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:24px;counter-reset:step}
.guide-step{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center;position:relative}
.step-num{width:44px;height:44px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;margin:0 auto 14px}
.step-title{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.step-desc{font-size:14px;color:var(--text-light);line-height:1.6}
/* ===== 视频展示大卡片 ===== */
.video-featured{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.video-featured .video-thumb-large{border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;position:relative;cursor:pointer}
.video-featured .video-thumb-large img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s}
.video-featured .video-thumb-large:hover img{transform:scale(1.03)}
.video-featured .video-thumb-large .play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0);transition:var(--transition)}
.video-featured .video-thumb-large:hover .play-btn{background:rgba(0,0,0,0.3)}
.video-featured .play-icon-lg{width:72px;height:72px;background:rgba(255,255,255,0.92);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0.7);transition:var(--transition)}
.video-featured .video-thumb-large:hover .play-icon-lg{opacity:1;transform:scale(1)}
.play-icon-lg::after{content:'';border-left:26px solid var(--primary);border-top:16px solid transparent;border-bottom:16px solid transparent;margin-left:6px}
@media(max-width:768px){.video-featured{grid-template-columns:1fr}}

/* ===== 亲密教育科普模块 ===== */
.edu-section{background:linear-gradient(135deg,#f0f7f0 0%,#e8f5e9 100%)}
.edu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.edu-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:var(--transition);border-top:4px solid var(--primary)}
.edu-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(45,122,58,0.18)}
.edu-icon{font-size:36px;margin-bottom:14px}
.edu-title{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:10px}
.edu-desc{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:16px}
.edu-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
/* ===== 社区模块卡片 ===== */
.community-modules-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.community-module-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:var(--transition);text-align:center;border-bottom:3px solid transparent;color:var(--text)}
.community-module-card:hover{transform:translateY(-4px);border-bottom-color:var(--primary);box-shadow:0 12px 36px rgba(45,122,58,0.18)}
.cm-icon{font-size:40px;margin-bottom:14px}
.cm-title{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:8px}
.cm-desc{font-size:13px;color:var(--text-light);line-height:1.6;margin-bottom:12px}
.cm-count{display:inline-block;background:rgba(45,122,58,0.1);color:var(--primary);padding:4px 12px;border-radius:20px;font-size:13px;font-weight:600}
/* ===== 专家详情页 ===== */
.expert-grid-full{grid-template-columns:1fr!important}
.expert-card-full{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);margin-bottom:28px}
.expert-card-top{display:flex;gap:24px;align-items:flex-start;margin-bottom:24px}
.expert-avatar{width:100px;height:100px;border-radius:50%;object-fit:cover;flex-shrink:0}
.expert-header-info{flex:1}
.expert-name{font-size:22px;font-weight:800;color:var(--dark);margin-bottom:4px}
.expert-title{font-size:15px;color:var(--primary);font-weight:600;margin-bottom:8px}
.expert-edu,.expert-org,.expert-exp{font-size:14px;color:var(--text-light);margin-bottom:4px;display:flex;align-items:center;gap:6px}
.expert-body{border-top:1px solid var(--border);padding-top:20px}
.expert-desc{font-size:15px;color:var(--text);line-height:1.8;margin-bottom:20px}
.expert-section{margin-bottom:16px}
.expert-section-title{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:8px}
.expert-list{list-style:disc;padding-left:20px;color:var(--text-light);font-size:14px;line-height:1.9}
.expert-actions{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
/* ===== EEAT可信度样式 ===== */
.eeat-notice{background:#e8f5e9;border-left:4px solid var(--primary);padding:14px 20px;border-radius:8px;margin-bottom:32px;font-size:14px;color:#555}
.eeat-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px}
.eeat-stat-card{background:#fff;border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.eeat-num{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:6px}
.eeat-label{font-size:13px;color:var(--text-light)}
/* ===== 编辑方针 ===== */
.editorial-block{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:20px}
.editorial-block h3{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:10px;padding-left:12px;border-left:4px solid var(--primary)}
.editorial-block p{font-size:14px;color:var(--text-light);line-height:1.8}
/* ===== 编辑流程 ===== */
.edit-process{display:flex;flex-direction:column;gap:20px}
.edit-step{display:flex;gap:20px;align-items:flex-start;background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.edit-num{width:44px;height:44px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;flex-shrink:0}
.edit-step h3{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:6px}
.edit-step p{font-size:14px;color:var(--text-light);line-height:1.7}
/* ===== 联系页 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.contact-icon{font-size:36px;margin-bottom:14px}
.contact-title{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:16px}
.contact-info p{font-size:14px;color:var(--text-light);line-height:1.9;margin-bottom:4px}
.contact-info a{color:var(--primary)}
.qr-code{background:#f5f5f5;border-radius:8px;padding:16px;text-align:center;font-size:13px;color:#888;margin-top:12px;display:inline-block;min-width:100px}
/* ===== 合作伙伴 ===== */
.partner-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.partner-card{background:#fff;border-radius:var(--radius);padding:18px;text-align:center;box-shadow:var(--shadow);font-size:14px;font-weight:600;color:var(--text);transition:var(--transition)}
.partner-card:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
/* ===== 用户评价 ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.review-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.review-stars{color:#f9a825;font-size:18px;margin-bottom:12px}
.review-text{font-size:14px;color:var(--text);line-height:1.8;margin-bottom:16px;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:40px;height:40px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0}
.review-name{font-size:14px;font-weight:700;color:var(--dark)}
.review-info{font-size:12px;color:var(--text-light)}
/* ===== 法律内容 ===== */
.legal-content h2{font-size:18px;font-weight:700;color:var(--dark);margin:28px 0 12px;padding-left:12px;border-left:4px solid var(--primary)}
.legal-content p{font-size:14px;color:var(--text);line-height:1.9;margin-bottom:12px}
.legal-content ul{padding-left:20px;margin:12px 0}
.legal-content li{font-size:14px;color:var(--text-light);line-height:2;list-style:disc}
.legal-content a{color:var(--primary)}
/* ===== 按钮小型 ===== */
.btn-sm{display:inline-block;padding:7px 16px;border-radius:20px;font-size:13px;font-weight:600;border:2px solid var(--primary);color:var(--primary);transition:var(--transition)}
.btn-sm:hover{background:var(--primary);color:#fff}
.btn-sm.solid{background:var(--primary);color:#fff}
.btn-sm.solid:hover{background:var(--primary-dark)}
/* ===== 移动端补充 ===== */
@media(max-width:768px){
  .eeat-stats{grid-template-columns:repeat(2,1fr)}
  .expert-card-top{flex-direction:column;align-items:center;text-align:center}
  .contact-grid{grid-template-columns:1fr}
  .edu-grid{grid-template-columns:1fr}
  .community-modules-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .eeat-stats{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
}
/* ===== 移动端导航 ===== */
.mobile-nav{display:none;flex-direction:column;background:#fff;border-top:1px solid var(--border);padding:12px 20px;gap:4px}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:10px 14px;border-radius:6px;font-size:15px;color:var(--text);font-weight:500}
.mobile-nav a:hover{background:var(--primary);color:#fff}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
@media(max-width:900px){.hamburger{display:flex}.main-nav{display:none}}