/* ===== 抖阴 - 动物写真与视频社区 全站样式 ===== */
/* 域名: zjbbohvo.cn */

:root {
    --primary: #0d6e3f;
    --primary-dark: #094d2c;
    --primary-light: #11a85e;
    --accent: #d4a017;
    --accent-light: #f0c75e;
    --bg-dark: #0a0a0a;
    --bg-section: #111111;
    --bg-card: #1a1a1a;
    --text-main: #e8e8e8;
    --text-muted: #999;
    --text-white: #fff;
    --border-color: #2a2a2a;
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-light));
    --gradient-accent: linear-gradient(135deg, var(--accent), var(--accent-light));
    --shadow-card: 0 4px 20px rgba(0,0,0,0.3);
    --shadow-hover: 0 8px 30px rgba(13,110,63,0.3);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
}

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; display: block; }

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

/* ===== 导航栏 ===== */
.site-header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}
.site-header.scrolled { background: rgba(10,10,10,0.98); box-shadow: 0 2px 20px rgba(0,0,0,0.5); }

.nav-wrapper {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 70px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-brand img { height: 40px; width: 40px; border-radius: 50%; }
.nav-brand span { font-size: 1.3rem; font-weight: 700; color: var(--text-white); }
.nav-brand .brand-sub { font-size: 0.7rem; color: var(--text-muted); display: block; line-height: 1; }

.nav-menu { display: flex; list-style: none; gap: 5px; }
.nav-menu a {
    display: block; padding: 8px 16px; color: var(--text-main);
    font-size: 0.9rem; border-radius: var(--radius-sm); transition: var(--transition);
}
.nav-menu a:hover, .nav-menu a.active { background: var(--primary); color: var(--text-white); }

.nav-search { position: relative; }
.nav-search input {
    background: var(--bg-card); border: 1px solid var(--border-color);
    color: var(--text-main); padding: 8px 35px 8px 15px; border-radius: 20px;
    font-size: 0.85rem; width: 180px; outline: none; transition: var(--transition);
}
.nav-search input:focus { border-color: var(--primary); width: 220px; }
.nav-search button {
    position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 0.9rem;
}

.nav-toggle { display: none; background: none; border: none; color: var(--text-white); font-size: 1.5rem; cursor: pointer; }

/* ===== Hero Banner ===== */
.hero-banner {
    position: relative; height: 85vh; min-height: 500px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; margin-top: 70px;
}
.hero-banner .hero-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover; filter: brightness(0.4);
}
.hero-banner .hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 100%);
}
.hero-content {
    position: relative; z-index: 2; text-align: center; max-width: 800px; padding: 0 20px;
}
.hero-content h1 { font-size: 3rem; font-weight: 800; color: var(--text-white); margin-bottom: 15px; text-shadow: 2px 2px 10px rgba(0,0,0,0.5); }
.hero-content h1 .highlight { color: var(--accent); }
.hero-content p { font-size: 1.15rem; color: rgba(255,255,255,0.85); margin-bottom: 30px; line-height: 1.8; }
.hero-btns { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
    display: inline-block; padding: 14px 35px; background: var(--gradient-primary);
    color: var(--text-white); border-radius: 30px; font-weight: 600; font-size: 1rem;
    border: none; cursor: pointer; transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); color: var(--text-white); }
.btn-outline {
    display: inline-block; padding: 14px 35px; background: transparent;
    color: var(--text-white); border: 2px solid rgba(255,255,255,0.4);
    border-radius: 30px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ===== 通用Section ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-section); }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 2rem; font-weight: 700; color: var(--text-white); margin-bottom: 10px; }
.section-header h2 .accent { color: var(--accent); }
.section-header p { font-size: 1rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ===== 视频卡片 ===== */
.video-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.video-card {
    position: relative; background: var(--bg-card); border-radius: var(--radius);
    overflow: hidden; transition: var(--transition); cursor: pointer;
    border: 1px solid var(--border-color);
}
.video-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.video-thumb {
    position: relative; padding-top: 56.25%; overflow: hidden;
}
.video-thumb img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.video-card:hover .video-thumb img { transform: scale(1.05); }
.video-thumb .play-btn {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%) scale(0);
    width: 60px; height: 60px; background: rgba(13,110,63,0.9); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition); z-index: 2;
}
.video-thumb .play-btn::after {
    content: ""; width: 0; height: 0;
    border-left: 20px solid white; border-top: 12px solid transparent; border-bottom: 12px solid transparent;
    margin-left: 4px;
}
.video-card:hover .play-btn { transform: translate(-50%,-50%) scale(1); }
.video-thumb .duration {
    position: absolute; bottom: 8px; right: 8px; background: rgba(0,0,0,0.8);
    color: var(--text-white); padding: 2px 8px; border-radius: 4px; font-size: 0.75rem;
}
.video-info { padding: 15px; }
.video-info h3 { font-size: 0.95rem; font-weight: 600; color: var(--text-white); margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-muted); }
.video-meta .views { display: flex; align-items: center; gap: 4px; }
.video-tag {
    display: inline-block; padding: 2px 8px; background: rgba(13,110,63,0.2);
    color: var(--primary-light); border-radius: 4px; font-size: 0.7rem; margin-top: 8px;
}

/* ===== video-preview (H5视频预览) ===== */
.video-preview {
    position: relative; padding-top: 56.25%; overflow: hidden;
    border-radius: var(--radius); cursor: pointer; background: var(--bg-card);
}
.video-preview img {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover;
    transition: var(--transition);
}
.video-preview:hover img { transform: scale(1.05); filter: brightness(0.7); }
.video-preview .play-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition); z-index: 2;
}
.video-preview:hover .play-overlay { opacity: 1; }
.video-preview .play-circle {
    width: 70px; height: 70px; background: rgba(13,110,63,0.9);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}
.video-preview .play-circle::after {
    content: ""; width: 0; height: 0;
    border-left: 24px solid white; border-top: 14px solid transparent; border-bottom: 14px solid transparent;
    margin-left: 5px;
}

/* ===== 分类栏目 ===== */
.category-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 35px; flex-wrap: wrap; }
.category-tabs .tab {
    padding: 8px 22px; background: var(--bg-card); border: 1px solid var(--border-color);
    color: var(--text-muted); border-radius: 20px; cursor: pointer; font-size: 0.9rem;
    transition: var(--transition);
}
.category-tabs .tab:hover, .category-tabs .tab.active { background: var(--primary); color: var(--text-white); border-color: var(--primary); }

/* ===== 专家团队 ===== */
.expert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.expert-card {
    background: var(--bg-card); border-radius: var(--radius); padding: 30px 20px;
    text-align: center; border: 1px solid var(--border-color); transition: var(--transition);
}
.expert-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.expert-card img { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; margin: 0 auto 15px; border: 3px solid var(--primary); }
.expert-card h4 { font-size: 1.1rem; color: var(--text-white); margin-bottom: 5px; }
.expert-card .role { color: var(--accent); font-size: 0.85rem; margin-bottom: 8px; }
.expert-card .credentials { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }
.expert-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ===== AI赋能 ===== */
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.ai-card {
    background: var(--bg-card); border-radius: var(--radius); padding: 30px;
    border: 1px solid var(--border-color); transition: var(--transition);
}
.ai-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.ai-card .ai-icon { font-size: 2.5rem; margin-bottom: 15px; }
.ai-card h3 { font-size: 1.15rem; color: var(--text-white); margin-bottom: 10px; }
.ai-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* ===== 社区频道 ===== */
.community-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.community-card {
    background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--border-color); transition: var(--transition);
}
.community-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.community-card .card-img { height: 180px; overflow: hidden; }
.community-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.community-card:hover .card-img img { transform: scale(1.05); }
.community-card .card-body { padding: 20px; }
.community-card h3 { font-size: 1.1rem; color: var(--text-white); margin-bottom: 8px; }
.community-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
.community-card .card-stats { display: flex; gap: 15px; margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); }

/* ===== 新闻动态 ===== */
.news-ticker {
    background: var(--primary-dark); padding: 10px 0; overflow: hidden;
}
.news-ticker .ticker-wrap {
    display: flex; animation: ticker 30s linear infinite; white-space: nowrap;
}
.news-ticker .ticker-item {
    padding: 0 40px; color: var(--text-white); font-size: 0.9rem;
}
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ===== 统计数据 ===== */
.stats-bar { display: flex; justify-content: center; gap: 60px; padding: 50px 0; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-item .stat-num { font-size: 2.5rem; font-weight: 800; color: var(--accent); }
.stat-item .stat-label { font-size: 0.9rem; color: var(--text-muted); margin-top: 5px; }

/* ===== 成功案例 ===== */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.case-card {
    background: var(--bg-card); border-radius: var(--radius); padding: 25px;
    border: 1px solid var(--border-color); transition: var(--transition);
}
.case-card:hover { border-color: var(--accent); }
.case-card h3 { font-size: 1.1rem; color: var(--text-white); margin-bottom: 10px; }
.case-card .case-stat { font-size: 1.8rem; font-weight: 700; color: var(--accent); margin-bottom: 8px; }
.case-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ===== 荣誉奖项 ===== */
.honor-list { display: flex; flex-wrap: wrap; gap: 15px; justify-content: center; }
.honor-item {
    background: var(--bg-card); border: 1px solid var(--accent); border-radius: var(--radius-sm);
    padding: 12px 20px; color: var(--accent); font-size: 0.9rem; font-weight: 500;
}

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border-color); }
.faq-question {
    padding: 20px 0; cursor: pointer; display: flex; justify-content: space-between;
    align-items: center; font-size: 1rem; font-weight: 600; color: var(--text-white);
    transition: var(--transition);
}
.faq-question:hover { color: var(--primary-light); }
.faq-question .arrow { transition: var(--transition); font-size: 1.2rem; }
.faq-question.active .arrow { transform: rotate(180deg); }
.faq-answer { padding: 0 0 20px; font-size: 0.9rem; color: var(--text-muted); line-height: 1.8; display: none; }
.faq-answer.show { display: block; }

/* ===== 用户评价 ===== */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.review-card {
    background: var(--bg-card); border-radius: var(--radius); padding: 25px;
    border: 1px solid var(--border-color);
}
.review-card .stars { color: var(--accent); font-size: 1rem; margin-bottom: 12px; }
.review-card blockquote { font-size: 0.9rem; color: var(--text-main); line-height: 1.7; font-style: italic; margin-bottom: 15px; }
.review-card .reviewer { display: flex; align-items: center; gap: 10px; }
.review-card .reviewer-name { font-weight: 600; color: var(--text-white); font-size: 0.9rem; }
.review-card .reviewer-title { font-size: 0.8rem; color: var(--text-muted); }

/* ===== 合作伙伴 ===== */
.partner-logos { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; align-items: center; }
.partner-logos span { font-size: 1rem; color: var(--text-muted); padding: 15px 25px; background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border-color); }

/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-section); border-top: 1px solid var(--border-color); padding: 50px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand img { height: 40px; margin-bottom: 15px; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
.footer-col h4 { font-size: 1rem; color: var(--text-white); margin-bottom: 15px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.85rem; }
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
    border-top: 1px solid var(--border-color); padding: 20px 0;
    text-align: center; font-size: 0.8rem; color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ===== 面包屑 ===== */
.breadcrumb { padding: 15px 0; font-size: 0.85rem; color: var(--text-muted); margin-top: 70px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb span { margin: 0 8px; }

/* ===== 内页Banner ===== */
.page-banner {
    position: relative; height: 350px; display: flex; align-items: center;
    justify-content: center; overflow: hidden; margin-top: 70px;
}
.page-banner img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(0.35); }
.page-banner .banner-content { position: relative; z-index: 2; text-align: center; }
.page-banner h1 { font-size: 2.5rem; font-weight: 800; color: var(--text-white); margin-bottom: 10px; }
.page-banner p { font-size: 1.1rem; color: rgba(255,255,255,0.8); }

/* ===== 文章内容 ===== */
.article-content { max-width: 900px; margin: 0 auto; }
.article-content h2 { font-size: 1.6rem; color: var(--text-white); margin: 30px 0 15px; }
.article-content h3 { font-size: 1.3rem; color: var(--text-white); margin: 25px 0 12px; }
.article-content p { font-size: 0.95rem; color: var(--text-main); line-height: 1.8; margin-bottom: 15px; }

/* ===== 内链推荐 ===== */
.related-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.related-link {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
    padding: 20px; transition: var(--transition);
}
.related-link:hover { border-color: var(--primary); }
.related-link h4 { font-size: 1rem; color: var(--text-white); margin-bottom: 8px; }
.related-link p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== 返回顶部 ===== */
.back-to-top {
    position: fixed; bottom: 30px; right: 30px; width: 45px; height: 45px;
    background: var(--primary); color: var(--text-white); border: none; border-radius: 50%;
    font-size: 1.2rem; cursor: pointer; opacity: 0; visibility: hidden;
    transition: var(--transition); z-index: 999; display: flex; align-items: center; justify-content: center;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--accent); }

/* ===== 评分汇总 ===== */
.rating-summary {
    background: var(--bg-card); border-radius: var(--radius); padding: 30px;
    text-align: center; border: 1px solid var(--border-color); margin-bottom: 30px;
}
.rating-summary .big-score { font-size: 3rem; font-weight: 800; color: var(--accent); }
.rating-summary .stars-big { font-size: 1.5rem; color: var(--accent); margin: 10px 0; }
.rating-summary .review-count { font-size: 0.9rem; color: var(--text-muted); }

/* ===== 联系表单 ===== */
.contact-form { max-width: 600px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; color: var(--text-white); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 12px 15px; background: var(--bg-card); border: 1px solid var(--border-color);
    color: var(--text-main); border-radius: var(--radius-sm); font-size: 0.9rem; outline: none;
    transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { height: 120px; resize: vertical; }

/* ===== 懒加载 ===== */
.lazy { opacity: 0; transition: opacity 0.5s ease; }
.lazy.loaded { opacity: 1; }

/* ===== 干扰标签隐藏 ===== */
.jammer { position: absolute; width: 0; height: 0; overflow: hidden; opacity: 0; pointer-events: none; z-index: -9999; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .video-grid { grid-template-columns: repeat(3, 1fr); }
    .expert-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-menu { display: none; position: absolute; top: 70px; left: 0; width: 100%; background: var(--bg-dark); flex-direction: column; padding: 20px; border-bottom: 1px solid var(--border-color); }
    .nav-menu.open { display: flex; }
    .nav-toggle { display: block; }
    .nav-search { display: none; }
    .hero-content h1 { font-size: 2rem; }
    .hero-content p { font-size: 1rem; }
    .video-grid { grid-template-columns: repeat(2, 1fr); }
    .ai-grid { grid-template-columns: 1fr; }
    .community-grid { grid-template-columns: 1fr; }
    .review-grid { grid-template-columns: 1fr; }
    .case-grid { grid-template-columns: 1fr; }
    .related-links { grid-template-columns: 1fr; }
    .stats-bar { gap: 30px; }
    .stat-item .stat-num { font-size: 1.8rem; }
    .section { padding: 50px 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .page-banner { height: 250px; }
    .page-banner h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
    .video-grid { grid-template-columns: 1fr; }
    .expert-grid { grid-template-columns: 1fr; }
    .hero-banner { height: 70vh; }
    .hero-btns { flex-direction: column; align-items: center; }
}