/* ============================================
   ai去衣视频社区 - 主样式文件
   mptkzrL.cn
   ============================================ */

/* 基础重置与CSS变量 */
:root {
    --primary: #ff6600;
    --primary-dark: #e55a00;
    --dark: #1a1a1a;
    --dark2: #2a2a2a;
    --dark3: #333;
    --dark4: #444;
    --gray: #666;
    --light-gray: #f4f4f4;
    --white: #ffffff;
    --card-shadow: 0 4px 12px rgba(0,0,0,0.1);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--dark3);
    background-color: var(--light-gray);
    font-size: 15px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

ul { list-style: none; }

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

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* ============================================
   头部导航
   ============================================ */
.site-header {
    background: var(--dark);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 55px;
    width: 55px;
    border-radius: 8px;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: 2px;
}

.main-nav ul {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.main-nav a {
    color: #ccc;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.main-nav a:hover {
    color: var(--white);
    background: var(--primary);
}

/* 搜索框 */
.search-bar-container {
    background: var(--dark2);
    padding: 10px 0;
    border-top: 1px solid #333;
}

.search-form {
    display: flex;
    justify-content: center;
    max-width: 700px;
    margin: 0 auto;
}

.search-form input {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid #444;
    border-right: none;
    border-radius: 25px 0 0 25px;
    background: #333;
    color: var(--white);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition);
}

.search-form input:focus {
    border-color: var(--primary);
}

.search-form input::placeholder {
    color: #888;
}

.search-form button {
    padding: 10px 24px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 0 25px 25px 0;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: bold;
    transition: background var(--transition);
}

.search-form button:hover {
    background: var(--primary-dark);
}

/* ============================================
   面包屑
   ============================================ */
.breadcrumb {
    background: #ebebeb;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--gray);
}

.breadcrumb a {
    color: var(--primary);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ============================================
   Hero Banner
   ============================================ */
.hero-banner {
    position: relative;
    min-height: 580px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.75) 0%, rgba(26,26,26,0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 860px;
    padding: 0 20px;
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* hero-h1：可见H1，百度SEO核心 */
.hero-h1 {
    font-size: 2.6rem;
    margin-bottom: 18px;
    color: var(--primary);
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    line-height: 1.2;
    font-weight: 900;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 18px;
    color: var(--primary);
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: #ddd;
}

.fw3k4fnt {
    font-size: 1.05rem;
    color: #ccc;
    margin-bottom: 12px;
}

.whwkuf {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 15px;
}

.whwkuf span {
    background: rgba(255,102,0,0.3);
    border: 1px solid rgba(255,102,0,0.6);
    color: #fff;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 14px 36px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    margin-top: 15px;
    transition: all var(--transition);
    box-shadow: 0 4px 15px rgba(255,102,0,0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,102,0,0.5);
}

/* stats-bar */
.18uaye {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    background: #1a1a1a;
    color: #fff;
    padding: 25px;
    border-radius: 10px;
    margin-top: 30px;
}

.12tp51k {
    text-align: center;
}

.12tp51k strong {
    display: block;
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 900;
}

.12tp51k span {
    font-size: 0.9rem;
    color: #ccc;
}

/* video-badge */
.3yssv {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary);
    color: #fff;
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 0.78rem;
    font-weight: bold;
    z-index: 2;
}

/* video-tags-inline */
.474m0m {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 8px;
}

.474m0m span {
    background: #f4f4f4;
    color: #666;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.78rem;
}

/* header-search */
.header-search {
    flex: 1;
    max-width: 380px;
    margin: 0 20px;
}

.header-search form {
    display: flex;
}

.header-search input {
    flex: 1;
    padding: 8px 14px;
    border: 2px solid #444;
    border-right: none;
    border-radius: 20px 0 0 20px;
    background: #333;
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition);
}

.header-search input:focus {
    border-color: var(--primary);
}

.header-search input::placeholder { color: #888; }

.header-search button {
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 0 20px 20px 0;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background var(--transition);
}

.header-search button:hover { background: var(--primary-dark); }

/* header-inner */
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 15px;
}

/* menu-toggle（移动端汉堡菜单） */
.menu-toggle {
    display: none;
    background: none;
    border: 1px solid #555;
    color: #fff;
    font-size: 1.4rem;
    padding: 5px 12px;
    cursor: pointer;
    border-radius: 4px;
}

/* ============================================
   通用 Section
   ============================================ */
.section {
    padding: 65px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
    color: var(--dark);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

/* ============================================
   视频卡片
   ============================================ */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.video-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.video-thumbnail {
    position: relative;
    height: 195px;
    background: var(--dark);
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: transform 0.5s ease, opacity 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.08);
    opacity: 0.6;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 58px;
    height: 58px;
    background: rgba(255,102,0,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(255,102,0,0.5);
}

.play-btn::after {
    content: '';
    border-style: solid;
    border-width: 12px 0 12px 22px;
    border-color: transparent transparent transparent var(--white);
    margin-left: 5px;
}

.video-card:hover .play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.video-info {
    padding: 16px;
}

.video-info h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    line-height: 1.5;
    color: var(--dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-info p {
    font-size: 0.88rem;
    color: var(--gray);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bn1uhoa {
    display: flex;
    justify-content: space-between;
    color: #999;
    font-size: 0.85rem;
    border-top: 1px solid #f0f0f0;
    padding-top: 10px;
}

/* ============================================
   FAQ
   ============================================ */
.yf7p17 {
    max-width: 820px;
    margin: 0 auto;
}

.omgc6cvc {
    background: var(--white);
    margin-bottom: 14px;
    padding: 22px 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border-left: 4px solid var(--primary);
    transition: box-shadow var(--transition);
}

.omgc6cvc:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.omgc6cvc h4 {
    color: var(--dark);
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.omgc6cvc p {
    color: var(--gray);
    line-height: 1.8;
}

/* ============================================
   用户评价
   ============================================ */
.2pfff {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 22px;
}

.hree7 {
    background: var(--white);
    padding: 22px;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    border-top: 3px solid var(--primary);
    transition: transform var(--transition);
}

.hree7:hover {
    transform: translateY(-3px);
}

.8y8u1fg {
    font-weight: bold;
    color: var(--dark);
    margin-bottom: 8px;
}

.zt218 {
    color: #ffc107;
    font-size: 1.1rem;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.hree7 p {
    color: var(--gray);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ============================================
   底部
   ============================================ */
.site-footer {
    background: var(--dark);
    color: #bbb;
    padding: 55px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 18px;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 3px;
    background: var(--primary);
}

.footer-col p {
    margin-bottom: 8px;
    font-size: 0.9rem;
    line-height: 1.8;
}

.4yhlh {
    height: 50px;
    width: 50px;
    border-radius: 6px;
    margin-top: 15px;
    border: 2px solid #444;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul a {
    color: #bbb;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-col ul a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.b4ipdv {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
}

.x2yyvy6o {
    width: 90px;
    height: 90px;
    background: var(--white);
    color: var(--dark3);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.75rem;
    border-radius: 6px;
    padding: 5px;
}

.xnx7oyg {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.xnx7oyg button {
    background: #3a3a3a;
    color: #ccc;
    border: none;
    padding: 6px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.85rem;
    transition: all var(--transition);
}

.xnx7oyg button:hover {
    background: var(--primary);
    color: var(--white);
}

.qaz6y1 {
    text-align: center;
    border-top: 1px solid #333;
    padding-top: 20px;
    font-size: 0.9rem;
    color: #888;
}

.qaz6y1 p {
    margin-bottom: 5px;
}

/* ============================================
   响应式适配
   ============================================ */
@media (max-width: 1024px) {
    .hero-content h2 { font-size: 2.4rem; }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        gap: 10px;
    }

    .header-search {
        order: 3;
        max-width: 100%;
        width: 100%;
        margin: 0;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        width: 100%;
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav > ul > li > ul {
        display: none;
    }

    .main-nav a {
        padding: 10px 15px;
        font-size: 0.95rem;
        border-bottom: 1px solid #333;
        display: block;
    }

    .hero-banner {
        min-height: 420px;
        background-attachment: scroll;
    }

    .hero-h1 {
        font-size: 1.8rem;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 18px;
    }

    .2pfff {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h2 { font-size: 1.5rem; }
    .section { padding: 40px 0; }
    .section-title { font-size: 1.5rem; }
    .video-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}