/* 抖阴植物视频社区 - 全站样式 vqmvesbk.cn */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --primary: #1db954;
    --primary-dark: #158f3e;
    --secondary: #17a2b8;
    --accent: #ff6b6b;
    --dark: #0a0e1a;
    --dark2: #111827;
    --card-bg: #1a2035;
    --text: #e8eaf6;
    --text-muted: #9ca3af;
    --border: #2d3748;
    --shadow: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --radius: 12px;
    --radius-sm: 8px;
}
html { scroll-behavior: smooth; }
body {
    font-family: 'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
}
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 60px 0; }
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: .5rem;
    position: relative;
    padding-bottom: 12px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 60px; height: 3px;
    background: var(--primary);
    border-radius: 2px;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}
/* ===== HEADER ===== */
header {
    background: rgba(10,14,26,.97);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0; z-index: 1000;
    backdrop-filter: blur(10px);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 20px;
}
.logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-wrap img {
    width: 40px; height: 40px;
    border-radius: 8px;
    object-fit: cover;
}
.logo-wrap span {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
}
nav { display: flex; align-items: center; gap: 4px; }
nav a {
    color: var(--text-muted);
    font-size: .9rem;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all .2s;
    white-space: nowrap;
}
nav a:hover, nav a.active {
    color: var(--primary);
    background: rgba(29,185,84,.1);
}
.header-search {
    display: flex;
    align-items: center;
    background: var(--dark2);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 12px;
    gap: 6px;
    flex: 0 0 220px;
}
.header-search input {
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-size: .88rem;
    width: 100%;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0;
    transition: color .2s;
}
.header-search button:hover { color: var(--primary); }
/* ===== SEARCH BAR BELOW NAV ===== */
.search-bar-wrap {
    background: var(--dark2);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.search-bar-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 600px;
    margin: 0 auto;
}
.search-bar-inner input {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 10px 20px;
    color: var(--text);
    font-size: .95rem;
    outline: none;
    transition: border-color .2s;
}
.search-bar-inner input:focus { border-color: var(--primary); }
.search-bar-inner input::placeholder { color: var(--text-muted); }
.btn-search {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 24px;
    padding: 10px 24px;
    font-size: .95rem;
    cursor: pointer;
    transition: background .2s;
    white-space: nowrap;
}
.btn-search:hover { background: var(--primary-dark); }
/* ===== HERO BANNER ===== */
.hero {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../images/hero-banner.jpg');
    background-size: cover;
    background-position: center;
    filter: brightness(.45);
    z-index: 0;
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: 60px 20px;
}
.hero-badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: .8rem;
    padding: 3px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: 1px;
}
.hero h1 {
    font-size: 3rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
}
.hero h1 em { color: var(--primary); font-style: normal; }
.hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,.85);
    margin-bottom: 28px;
    line-height: 1.8;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
    background: var(--primary);
    color: #fff;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all .2s;
    display: inline-block;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }
.btn-outline {
    background: transparent;
    color: #fff;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,.5);
    cursor: pointer;
    transition: all .2s;
    display: inline-block;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 36px;
    flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}
.hero-stat .label { font-size: .82rem; color: rgba(255,255,255,.7); }
/* ===== CARDS ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all .3s;
}
.card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.card-icon {
    width: 52px; height: 52px;
    background: rgba(29,185,84,.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 16px;
}
.card h3 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.card p { font-size: .88rem; color: var(--text-muted); line-height: 1.7; }
/* ===== VIDEO CARDS ===== */
.video-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.video-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all .3s;
    cursor: pointer;
}
.video-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.video-thumb {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background: linear-gradient(135deg, #1a2035 0%, #0d1117 100%);
}
.video-thumb-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform .4s;
}
.video-card:hover .video-thumb-bg { transform: scale(1.05); }
.play-btn {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%) scale(0);
    width: 52px; height: 52px;
    background: rgba(29,185,84,.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .3s;
    z-index: 2;
}
.play-btn::after {
    content: '';
    border-left: 18px solid #fff;
    border-top: 11px solid transparent;
    border-bottom: 11px solid transparent;
    margin-left: 4px;
}
.video-card:hover .play-btn { transform: translate(-50%,-50%) scale(1); }
.video-duration {
    position: absolute;
    bottom: 8px; right: 8px;
    background: rgba(0,0,0,.75);
    color: #fff;
    font-size: .75rem;
    padding: 2px 7px;
    border-radius: 4px;
    z-index: 2;
}
.video-tag {
    position: absolute;
    top: 8px; left: 8px;
    background: var(--primary);
    color: #fff;
    font-size: .7rem;
    padding: 2px 8px;
    border-radius: 4px;
    z-index: 2;
}
.video-info { padding: 14px 16px; }
.video-title {
    font-size: .95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: .8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.video-meta span { display: flex; align-items: center; gap: 3px; }
/* ===== FEATURE SECTION ===== */
.feature-img-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.feature-img-wrap img { width: 100%; height: 320px; object-fit: cover; }
.feature-list { list-style: none; margin-top: 20px; }
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: .92rem;
    color: var(--text-muted);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li .icon { color: var(--primary); font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
/* ===== EXPERTS ===== */
.expert-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: all .3s;
}
.expert-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.expert-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 14px;
    border: 3px solid var(--primary);
}
.expert-name { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.expert-role { font-size: .82rem; color: var(--primary); margin-bottom: 10px; }
.expert-bio { font-size: .83rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.tag {
    background: rgba(29,185,84,.12);
    color: var(--primary);
    font-size: .75rem;
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid rgba(29,185,84,.25);
}
.expert-btns { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.btn-sm {
    padding: 6px 14px;
    border-radius: 6px;
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all .2s;
}
.btn-sm-primary { background: var(--primary); color: #fff; }
.btn-sm-primary:hover { background: var(--primary-dark); }
.btn-sm-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-sm-outline:hover { background: rgba(29,185,84,.1); }
/* ===== FAQ ===== */
.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
}
.faq-q {
    padding: 18px 20px;
    font-size: .95rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: background .2s;
}
.faq-q:hover { background: rgba(29,185,84,.05); }
.faq-q .arrow {
    flex-shrink: 0;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: rgba(29,185,84,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    color: var(--primary);
    transition: transform .3s;
}
.faq-item.open .faq-q .arrow { transform: rotate(180deg); }
.faq-a {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .3s;
    font-size: .88rem;
    color: var(--text-muted);
    line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 20px 18px; }
/* ===== REVIEWS ===== */
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
.review-name { font-size: .92rem; font-weight: 600; color: #fff; }
.review-stars { color: #f59e0b; font-size: .85rem; }
.review-text { font-size: .85rem; color: var(--text-muted); line-height: 1.7; }
/* ===== PARTNERS ===== */
.partner-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.partner-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    transition: all .2s;
}
.partner-item:hover { border-color: var(--primary); }
.partner-item .p-icon { font-size: 2rem; margin-bottom: 8px; }
.partner-item p { font-size: .8rem; color: var(--text-muted); }
/* ===== STATS ===== */
.stats-bar {
    background: linear-gradient(135deg, var(--dark2), #0d1117);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 32px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; }
.stat-num { font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: .85rem; color: var(--text-muted); margin-top: 4px; }
/* ===== SHARE ===== */
.share-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 16px 0;
}
.share-label { font-size: .88rem; color: var(--text-muted); }
.share-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 6px;
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all .2s;
    color: #fff;
}
.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #010101; border: 1px solid #333; }
.share-bilibili { background: #00a1d6; }
/* ===== FOOTER ===== */
footer {
    background: var(--dark2);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
.footer-brand .logo-wrap { margin-bottom: 14px; }
.footer-brand p { font-size: .85rem; color: var(--text-muted); line-height: 1.8; }
.footer-col h4 { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: .85rem; color: var(--text-muted); transition: color .2s; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-qr { display: flex; gap: 20px; margin-top: 10px; }
.qr-item { text-align: center; }
.qr-item img { width: 80px; height: 80px; border-radius: 8px; }
.qr-item p { font-size: .75rem; color: var(--text-muted); margin-top: 6px; }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p { font-size: .82rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { font-size: .82rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--primary); }
/* ===== BREADCRUMB ===== */
.breadcrumb {
    padding: 12px 0;
    font-size: .83rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
/* ===== TABS ===== */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: .9rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all .2s;
    margin-bottom: -1px;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }
/* ===== BADGE ===== */
.badge {
    display: inline-block;
    font-size: .72rem;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 600;
}
.badge-green { background: rgba(29,185,84,.15); color: var(--primary); }
.badge-blue { background: rgba(23,162,184,.15); color: var(--secondary); }
.badge-red { background: rgba(255,107,107,.15); color: var(--accent); }
/* ===== MOBILE MENU ===== */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.4rem;
    cursor: pointer;
}
/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2,1fr); }
    .partner-grid { grid-template-columns: repeat(3,1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .grid-3, .video-grid, .review-grid { grid-template-columns: repeat(2,1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark2); border-bottom: 1px solid var(--border); padding: 12px; z-index: 999; }
    nav.open { display: flex; }
    .menu-toggle { display: block; }
    .header-search { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
    .grid-3, .video-grid, .review-grid, .grid-4 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.6rem; }
    .section { padding: 40px 0; }
    .partner-grid { grid-template-columns: repeat(2,1fr); }
}
/* ===== ANIMATIONS ===== */
.fade-in { opacity: 1; transform: translateY(0); transition: opacity .6s ease, transform .6s ease; }
.js-loaded .fade-in { opacity: 0; transform: translateY(20px); }
.js-loaded .fade-in.visible { opacity: 1; transform: translateY(0); }
/* ===== MISC ===== */
.text-center { text-align: center; }
.text-green { color: var(--primary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.highlight-box {
    background: rgba(29,185,84,.08);
    border: 1px solid rgba(29,185,84,.2);
    border-radius: var(--radius);
    padding: 20px 24px;
}
.divider { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.loading-bar {
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    position: fixed;
    top: 0; left: 0;
    z-index: 9999;
    animation: loadbar 1.2s ease forwards;
}
@keyframes loadbar { from { width: 0; } to { width: 100%; } }
/* ===== NOISE TAGS (hidden) ===== */
.noise-wrap { display: none !important; visibility: hidden !important; height: 0 !important; width: 0 !important; overflow: hidden !important; position: absolute !important; left: -9999px !important; top: -9999px !important; font-size: 0 !important; line-height: 0 !important; opacity: 0 !important; pointer-events: none !important; }