/* ========================================
   玩物社区 - 全站样式表
   品牌色系：#1A6FEF / #0D47A1 / #FF6B35
   126937.cn
   ======================================== */

/* === 基础重置 === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#2C3E50;background:#F5F7FA;line-height:1.7;overflow-x:hidden}
a{color:#1A6FEF;text-decoration:none;transition:color .3s}
a:hover{color:#FF6B35}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#0B1426}

/* === 容器 === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-dark{background:#0B1426;color:#fff}
.section-dark h2,.section-dark h3,.section-dark h4,.section-dark p{color:#fff}
.section-alt{background:#EDF2F7}

/* === 头部导航 === */
.site-header{background:#0B1426;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:68px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:42px;width:auto}
.logo-wrap .header-favicon{height:24px;width:24px;border-radius:4px}
.logo-text{font-size:1.3rem;font-weight:800;color:#fff;letter-spacing:1px}
.logo-text span{color:#FF6B35}

.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:#ccd6e0;font-size:.85rem;padding:22px 11px;display:block;transition:all .3s;position:relative;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(26,111,239,.2)}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:3px;background:#1A6FEF;transition:all .3s;transform:translateX(-50%)}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}

.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.mobile-toggle span{width:24px;height:2px;background:#fff;transition:all .3s}

/* === 搜索栏 === */
.search-bar{background:linear-gradient(135deg,#1A6FEF 0%,#0D47A1 100%);padding:12px 0}
.search-bar .container{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.search-input-wrap{position:relative;width:100%;max-width:560px}
.search-input-wrap input{width:100%;padding:10px 44px 10px 18px;border:none;border-radius:24px;font-size:.95rem;outline:none;background:rgba(255,255,255,.95);color:#2C3E50}
.search-input-wrap input::placeholder{color:#7F8C9B}
.search-btn{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:#FF6B35;border:none;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:background .3s}
.search-btn:hover{background:#e55a25}
.search-hot{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;justify-content:center}
.search-hot a{color:rgba(255,255,255,.8);font-size:.78rem;padding:2px 10px;background:rgba(255,255,255,.15);border-radius:12px;transition:all .3s}
.search-hot a:hover{background:rgba(255,255,255,.3);color:#fff}

/* === Hero Banner === */
.hero{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.4)}
.hero-content{position:relative;z-index:2;color:#fff;padding:20px}
.hero h1{font-size:2.8rem;margin-bottom:12px;text-shadow:0 4px 20px rgba(0,0,0,.5)}
.hero h1 em{font-style:normal;color:#FF6B35}
.hero .subtitle{font-size:1.15rem;color:rgba(255,255,255,.85);margin-bottom:24px;max-width:680px;margin-left:auto;margin-right:auto}
.hero .hero-tags{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.hero .hero-tags span{background:rgba(26,111,239,.6);padding:5px 16px;border-radius:20px;font-size:.85rem;backdrop-filter:blur(4px)}
.hero-cta{display:inline-flex;align-items:center;gap:8px;background:#FF6B35;color:#fff;padding:12px 32px;border-radius:28px;font-size:1rem;font-weight:600;transition:all .3s;box-shadow:0 4px 16px rgba(255,107,53,.4)}
.hero-cta:hover{background:#e55a25;transform:translateY(-2px);color:#fff}

/* === 面包屑 === */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#7F8C9B}
.breadcrumb a{color:#1A6FEF}
.breadcrumb span{margin:0 6px;color:#bbb}

/* === 视频卡片 === */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#0B1426}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.video-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.35);z-index:5}
.video-card:hover .video-play-btn{opacity:1}
.video-play-btn i{width:56px;height:56px;background:rgba(26,111,239,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s}
.video-play-btn i::after{content:'';width:0;height:0;border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-card:hover .video-play-btn i{transform:scale(1.1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem;z-index:3}
.video-info{padding:14px}
.video-info h4{font-size:.95rem;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.video-meta{display:flex;gap:12px;font-size:.78rem;color:#7F8C9B;flex-wrap:wrap}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tag{display:inline-block;background:#EDF2F7;color:#1A6FEF;padding:2px 8px;border-radius:4px;font-size:.72rem;margin-top:6px}

/* === 模块标题 === */
.section-header{text-align:center;margin-bottom:40px}
.section-header h2{font-size:1.9rem;margin-bottom:8px;position:relative;display:inline-block}
.section-header h2::after{content:'';display:block;width:60px;height:4px;background:linear-gradient(90deg,#1A6FEF,#FF6B35);margin:10px auto 0;border-radius:2px}
.section-header p{color:#7F8C9B;font-size:1rem;margin-top:8px}

/* === 栏目模块 === */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.module-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s;padding:28px;text-align:center}
.module-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.module-icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#1A6FEF,#0D47A1);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff}
.module-card h3{font-size:1.1rem;margin-bottom:8px}
.module-card p{font-size:.88rem;color:#7F8C9B;line-height:1.6}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);text-align:center;transition:all .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-avatar{width:100%;height:240px;object-fit:cover}
.expert-info{padding:20px}
.expert-info h4{font-size:1.1rem;margin-bottom:4px}
.expert-info .expert-title{color:#1A6FEF;font-size:.85rem;margin-bottom:8px}
.expert-info p{font-size:.85rem;color:#7F8C9B;line-height:1.6;margin-bottom:12px}
.expert-badges{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
.expert-badges span{background:#EDF2F7;color:#0D47A1;padding:3px 10px;border-radius:12px;font-size:.75rem}
.expert-btns{display:flex;gap:8px;justify-content:center}
.btn-sm{padding:6px 16px;border-radius:20px;font-size:.82rem;border:none;cursor:pointer;transition:all .3s;font-weight:500}
.btn-primary{background:#1A6FEF;color:#fff}
.btn-primary:hover{background:#0D47A1}
.btn-outline{background:transparent;color:#1A6FEF;border:1px solid #1A6FEF}
.btn-outline:hover{background:#1A6FEF;color:#fff}

/* === 合作品牌 === */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-item{background:#fff;padding:16px 28px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:1rem;font-weight:600;color:#0B1426;transition:all .3s;min-width:140px;text-align:center}
.partner-item:hover{box-shadow:0 4px 16px rgba(0,0,0,.12);transform:translateY(-2px)}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow:hidden}
.faq-q{padding:18px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s;font-size:.95rem}
.faq-q:hover{background:#f8fafc}
.faq-q::after{content:'+';font-size:1.4rem;color:#1A6FEF;transition:transform .3s;font-weight:300}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s ease;font-size:.9rem;color:#7F8C9B;line-height:1.7}
.faq-item.active .faq-a{padding:0 24px 18px;max-height:300px}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 12px rgba(0,0,0,.06);transition:all .3s}
.review-card:hover{box-shadow:0 6px 20px rgba(0,0,0,.1)}
.review-stars{color:#FFB800;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-text{font-size:.88rem;color:#4A5568;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-author{display:flex;align-items:center;gap:10px}
.review-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#1A6FEF,#FF6B35);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.85rem;font-weight:600;flex-shrink:0}
.review-author-info{font-size:.82rem}
.review-author-info strong{display:block;color:#2C3E50}
.review-author-info span{color:#7F8C9B}

/* === How-To指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.howto-step{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.06);position:relative;counter-increment:step}
.howto-step::before{content:counter(step);width:40px;height:40px;background:linear-gradient(135deg,#1A6FEF,#0D47A1);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;margin:0 auto 14px}
.howto-step h4{font-size:1rem;margin-bottom:8px}
.howto-step p{font-size:.85rem;color:#7F8C9B}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 4px 12px rgba(0,0,0,.06)}
.contact-card h4{font-size:1.1rem;margin-bottom:16px;color:#0D47A1;border-bottom:2px solid #EDF2F7;padding-bottom:10px}
.contact-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;font-size:.9rem}
.contact-item strong{color:#2C3E50;min-width:70px}
.contact-item span{color:#7F8C9B}

/* === 社交分享 === */
.share-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:.85rem;color:#fff;transition:all .3s;cursor:pointer}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* === EEAT文章信息 === */
.article-meta{display:flex;flex-wrap:wrap;gap:16px;padding:14px 0;margin-bottom:16px;border-bottom:1px solid #EDF2F7;font-size:.84rem;color:#7F8C9B}
.article-meta span{display:flex;align-items:center;gap:4px}
.article-meta strong{color:#2C3E50;font-weight:600}
.article-source{background:#f0f7ff;border-left:3px solid #1A6FEF;padding:10px 16px;margin:16px 0;font-size:.84rem;color:#4A5568;border-radius:0 6px 6px 0}

/* === 美图展示 === */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery-item{border-radius:8px;overflow:hidden;position:relative;padding-top:100%;background:#EDF2F7}
.gallery-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery-item:hover img{transform:scale(1.1)}
.gallery-item .gallery-label{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;padding:8px;font-size:.78rem;text-align:center}

/* === 页脚 === */
.site-footer{background:#0B1426;color:#8a9bb5;padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:36px}
.footer-brand p{font-size:.88rem;line-height:1.7;margin-top:12px;color:#8a9bb5}
.footer-col h5{color:#fff;font-size:.95rem;margin-bottom:14px;position:relative;padding-bottom:8px}
.footer-col h5::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#1A6FEF}
.footer-col a{display:block;color:#8a9bb5;font-size:.85rem;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:#FF6B35}
.footer-qr{display:flex;gap:16px;margin-top:12px}
.footer-qr img{width:100px;height:100px;border-radius:6px;background:#fff;padding:4px}
.footer-qr-label{text-align:center;font-size:.75rem;margin-top:4px;color:#8a9bb5}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:.82rem}
.footer-bottom a{color:#1A6FEF}

/* === 内页通用 === */
.page-banner{height:300px;position:relative;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.page-banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.35)}
.page-banner-content{position:relative;z-index:2;color:#fff}
.page-banner-content h1{font-size:2.2rem;margin-bottom:8px}
.page-banner-content p{font-size:1rem;color:rgba(255,255,255,.8)}

.content-area{padding:40px 0}
.content-area article{background:#fff;border-radius:12px;padding:36px;box-shadow:0 4px 16px rgba(0,0,0,.06);margin-bottom:24px}
.content-area article h2{font-size:1.5rem;margin-bottom:16px;color:#0D47A1}
.content-area article h3{font-size:1.2rem;margin-bottom:12px;color:#1A6FEF}
.content-area article p{margin-bottom:14px;font-size:.92rem;line-height:1.8;color:#4A5568}

/* === 侧边栏 === */
.page-layout{display:grid;grid-template-columns:1fr 300px;gap:30px}
.sidebar-widget{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 12px rgba(0,0,0,.06);margin-bottom:20px}
.sidebar-widget h4{font-size:1rem;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid #EDF2F7}
.sidebar-widget a{display:block;padding:6px 0;font-size:.88rem;color:#4A5568;transition:color .3s}
.sidebar-widget a:hover{color:#1A6FEF}

/* === 数据统计条 === */
.stats-bar{display:flex;justify-content:center;gap:40px;padding:30px 0;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-num{font-size:2.2rem;font-weight:800;color:#1A6FEF;display:block}
.stat-label{font-size:.85rem;color:#7F8C9B;margin-top:4px}

/* === 响应式 === */
@media(max-width:1024px){
    .video-grid{grid-template-columns:repeat(3,1fr)}
    .module-grid{grid-template-columns:repeat(2,1fr)}
    .expert-grid{grid-template-columns:repeat(2,1fr)}
    .review-grid{grid-template-columns:repeat(2,1fr)}
    .howto-steps{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
    .page-layout{grid-template-columns:1fr}
    .gallery-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
    .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#0B1426;flex-direction:column;padding:10px 0;box-shadow:0 8px 20px rgba(0,0,0,.3);z-index:1000}
    .main-nav.show{display:flex}
    .main-nav a{padding:12px 20px;border-bottom:1px solid rgba(255,255,255,.05)}
    .mobile-toggle{display:flex}
    .hero{height:400px}
    .hero h1{font-size:1.8rem}
    .video-grid{grid-template-columns:repeat(2,1fr)}
    .module-grid{grid-template-columns:1fr}
    .expert-grid{grid-template-columns:1fr}
    .review-grid{grid-template-columns:1fr}
    .howto-steps{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .stats-bar{gap:20px}
    .stat-num{font-size:1.6rem}
    .section{padding:40px 0}
    .section-header h2{font-size:1.5rem}
    .page-banner{height:220px}
    .page-banner-content h1{font-size:1.6rem}
    .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
    .video-grid{grid-template-columns:1fr}
    .header-inner{padding:0 12px}
    .logo-text{font-size:1.1rem}
    .hero h1{font-size:1.5rem}
    .container{padding:0 14px}
    .gallery-grid{grid-template-columns:repeat(2,1fr)}
}

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

/* === 懒加载占位 === */
.lazy-img{background:#EDF2F7;transition:opacity .5s}
.lazy-img.loaded{opacity:1}