/* 暗网 汽车改装视频社区 - 原创主题CSS */
:root {
    --primary: #2e7d32; /* 森林绿 */
    --primary-dark: #1b5e20;
    --secondary: #ff9800; /* 亮橙色 */
    --bg-dark: #121212;
    --bg-card: #1e1e1e;
    --text-main: #ffffff;
    --text-muted: #aaaaaa;
    --border: #333333;
    --radius: 12px;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}
.nav-container-ttcak {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.logo-wrap-za3u618 {
    display: flex;
    align-items: center;
    gap: 10px;
}
.site-logo-lfz64s { height: 40px; }
.brand-name-95ilu {
    font-size: 24px;
    font-weight: bold;
    color: var(--secondary);
}
.nav-links-zr88c {
    display: flex;
    gap: 30px;
}
.nav-links-zr88c a {
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
}
.nav-links-zr88c a:hover, .nav-links-zr88c a.active {
    color: var(--secondary);
}

/* Search Bar */
.search-bar-section-7in08 {
    background: var(--bg-card);
    padding: 15px 0;
    margin-top: 70px;
    border-bottom: 1px solid var(--border);
}
.search-form-bm53s3 {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 10px;
}
.search-input-g4m1v9 {
    flex: 1;
    padding: 12px 20px;
    border-radius: 30px;
    border: 1px solid var(--border);
    background: var(--bg-dark);
    color: var(--text-main);
    outline: none;
}
.search-btn-j5v47zy9 {
    padding: 0 25px;
    border-radius: 30px;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition);
}
.search-btn-j5v47zy9:hover { background: var(--primary-dark); }

/* Hero Banner */
.hero-banner {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}
.banner-bg-77glivft {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
}
.banner-overlay-1x2u7 {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(18,18,18,0.3), rgba(18,18,18,1));
    z-index: -1;
}
.hero-content-b5iua1jw h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}
.text-gradient {
    background: linear-gradient(45deg, var(--secondary), #ffeb3b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc {
    font-size: 20px;
    color: #ddd;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Section */
.section { padding: 80px 0; }
.section-header-48a9bo {
    text-align: center;
    margin-bottom: 50px;
}
.section-header-48a9bo h2 {
    font-size: 36px;
    margin-bottom: 15px;
}
.divider-uustbj {
    width: 60px;
    height: 4px;
    background: var(--secondary);
    margin: 0 auto;
    border-radius: 2px;
}

/* Video Grid */
.video-grid-1f38q {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}
.video-card-ga544k1 {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
}
.video-card-ga544k1:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    border-color: var(--secondary);
}
.video-thumb-lj5d2 {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}
.video-thumb-lj5d2 img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.video-card-ga544k1:hover .video-thumb-lj5d2 img { transform: scale(1.05); }
.hover-video-68671j32 {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s;
}
.video-card-ga544k1:hover .hover-video-68671j32 { opacity: 1; }
.video-play-btn-blqjdkl {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 50px; height: 50px;
    background: rgba(255, 152, 0, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}
.video-card-ga544k1:hover .video-play-btn-blqjdkl { opacity: 1; }
.play-icon-16vaa {
    width: 0; height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 16px solid white;
    margin-left: 4px;
}
.video-info-wlwirw2p { padding: 20px; }
.video-title-ls48fgi {
    font-size: 18px;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-meta-4vv2r0xz {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 14px;
}

/* FAQ */
.faq-list-q1rbb { max-width: 800px; margin: 0 auto; }
.faq-item-mbq77e {
    background: var(--bg-card);
    margin-bottom: 15px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}
.faq-q-qt80et {
    padding: 20px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-a-lnrr4u {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-muted);
}
.faq-item-mbq77e.active .faq-a-lnrr4u {
    padding: 0 20px 20px;
    max-height: 200px;
}

/* Reviews */
.review-grid-n8szst {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.review-card-eu74hgyk {
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.stars-8bbxa4r { color: var(--secondary); margin-bottom: 15px; }
.review-text-bs0lyf { font-style: italic; margin-bottom: 20px; }
.reviewer-8eifqjf { font-weight: bold; color: var(--primary); }

/* Footer */
.footer {
    background: #0a0a0a;
    padding: 60px 0 20px;
    border-top: 1px solid var(--border);
}
.footer-grid-s7fsrq {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col-9z3skkk h3 {
    color: var(--secondary);
    margin-bottom: 20px;
    font-size: 18px;
}
.footer-links-p2yk0p li { margin-bottom: 10px; }
.footer-links-p2yk0p a { color: var(--text-muted); transition: var(--transition); }
.footer-links-p2yk0p a:hover { color: var(--secondary); }
.footer-qr-q8c4xtkm {
    display: flex;
    gap: 20px;
}
.qr-box-ju52fn { text-align: center; }
.qr-box-ju52fn img {
    width: 100px; height: 100px;
    border-radius: 8px;
    margin-bottom: 10px;
}
.footer-bottom-2j4t6bvj {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 14px;
}

/* Modal */
.modal-overlay-fzaphg2 {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}
.modal-overlay-fzaphg2.active { display: flex; }
.modal-box-0v32h5 {
    width: 90%; max-width: 800px;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
}
.modal-header-yi14vzr {
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}
.modal-close-isz8vhc {
    background: none; border: none;
    color: white; font-size: 24px;
    cursor: pointer;
}
.modal-video-3yahc7 {
    width: 100%; aspect-ratio: 16/9;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

/* Breadcrumb */
.breadcrumb-nip4zisv {
    padding: 20px 0;
    color: var(--text-muted);
    font-size: 14px;
}
.breadcrumb-nip4zisv a { color: var(--primary); }
.breadcrumb-nip4zisv a:hover { text-decoration: underline; }

/* Page Header */
.page-header-cdj09 {
    padding: 120px 0 60px;
    text-align: center;
    background: linear-gradient(to bottom, #1a2e1a, var(--bg-dark));
}
.page-header-cdj09 h1 { font-size: 40px; margin-bottom: 15px; }

/* Share */
.share-box-xqkgn9 {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}
.share-btn-48ctf6 {
    padding: 8px 15px;
    border-radius: 20px;
    background: var(--border);
    color: white;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.share-btn-48ctf6:hover { background: var(--secondary); }

@media (max-width: 768px) {
    .nav-links-zr88c { display: none; }
    .hero-content-b5iua1jw h1 { font-size: 32px; }
    .hero-desc { font-size: 16px; }
    .section { padding: 50px 0; }
}