/* =============================================
   51 - 主样式表
   Brand: 51 | Domain: Lqpu7p.cn
   ============================================= */

/* === CSS变量 === */
:root {
    --primary: #E8396A;
    --primary-dark: #C42050;
    --primary-light: #FF6B9D;
    --gold: #F5A623;
    --gold-dark: #D4881A;
    --purple: #6B2FA0;
    --purple-light: #9B59B6;
    --dark: #1A1A2E;
    --dark2: #16213E;
    --dark3: #0F3460;
    --text-main: #2C2C3E;
    --text-muted: #666680;
    --text-light: #999BB0;
    --bg-light: #F8F4FF;
    --bg-card: #FFFFFF;
    --border: #E8E0F0;
    --shadow: 0 4px 20px rgba(232,57,106,0.12);
    --shadow-lg: 0 8px 40px rgba(232,57,106,0.18);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* === 重置与基础 === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
    color: var(--text-main);
    background: #FAFAFA;
    line-height: 1.7;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* === 滚动条 === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }

/* === 容器 === */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.container-fluid { width: 100%; padding: 0 20px; }

/* =============================================
   顶部公告栏
   ============================================= */
.top-bar {
    background: linear-gradient(90deg, var(--dark) 0%, var(--dark3) 50%, var(--dark) 100%);
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    padding: 8px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.top-bar::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(245,166,35,0.15), transparent);
    animation: shimmer 3s infinite;
}
@keyframes shimmer { to { left: 100%; } }
.top-bar a { color: var(--gold); font-weight: 600; }
.top-bar .marquee-text { display: inline-block; }

/* =============================================
   头部导航
   ============================================= */
#site-header {
    background: #fff;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}
#site-header.scrolled {
    box-shadow: 0 4px 30px rgba(232,57,106,0.15);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 20px;
}
.logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-wrap img.site-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}
.logo-wrap img.site-favicon {
    height: 32px;
    width: 32px;
    border-radius: 8px;
    display: none;
}
.logo-text {
    display: flex;
    flex-direction: column;
}
.logo-text .brand-name {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.logo-text .brand-slogan {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
    padding: 8px 14px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    border-radius: 8px;
    position: relative;
    white-space: nowrap;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 4px; left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%; height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    border-radius: 1px;
    transition: var(--transition);
}
.main-nav a:hover, .main-nav a.active {
    color: var(--primary);
    background: rgba(232,57,106,0.06);
}
.main-nav a:hover::after, .main-nav a.active::after { transform: translateX(-50%) scaleX(1); }

/* 头部右侧 */
.header-right { display: flex; align-items: center; gap: 12px; }
.btn-login {
    padding: 8px 20px;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-login:hover { background: var(--primary); color: #fff; }
.btn-join {
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    color: #fff;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(232,57,106,0.35);
    transition: var(--transition);
}
.btn-join:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,57,106,0.45); }

/* 汉堡菜单 */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-main); border-radius: 2px; transition: var(--transition); }

/* =============================================
   搜索框
   ============================================= */
.search-bar-wrap {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 100%);
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.search-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}
.search-form {
    display: flex;
    flex: 1;
    align-items: center;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 30px;
    overflow: hidden;
    transition: var(--transition);
}
.search-form:focus-within {
    background: rgba(255,255,255,0.15);
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(232,57,106,0.2);
}
.search-form input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    padding: 12px 20px;
    color: #fff;
    font-size: 15px;
    font-family: inherit;
}
.search-form input::placeholder { color: rgba(255,255,255,0.45); }
.search-form button {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 0 30px 30px 0;
    transition: var(--transition);
}
.search-form button:hover { opacity: 0.9; }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 10px; }
.search-tags a {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    padding: 3px 10px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 12px;
    transition: var(--transition);
}
.search-tags a:hover { color: var(--gold); border-color: var(--gold); }

/* =============================================
   面包屑
   ============================================= */
.e2y8d2 {
    background: var(--bg-light);
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.0qwrginj {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}
.0qwrginj a { color: var(--primary); }
.0qwrginj span.sep { color: var(--text-light); }
.0qwrginj span.current { color: var(--text-main); font-weight: 500; }

/* =============================================
   Hero 区域
   ============================================= */
.2rowq {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--dark);
}
.ww21j {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.45;
    transform: scale(1.05);
    transition: transform 8s ease;
}
.2rowq:hover .ww21j { transform: scale(1); }
.bzc7z21w {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(15,52,96,0.6) 60%, rgba(107,47,160,0.4) 100%);
}
.sflp9x4q {
    position: relative;
    z-index: 2;
    padding: 80px 0;
    max-width: 680px;
}
.5g7j9v {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(232,57,106,0.2);
    border: 1px solid rgba(232,57,106,0.4);
    color: var(--primary-light);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
}
.5g7j9v .dot { width: 6px; height: 6px; background: var(--primary-light); border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }
.sflp9x4q h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.sflp9x4q h1 .highlight {
    background: linear-gradient(135deg, var(--primary-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.sflp9x4q p {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    line-height: 1.8;
}
.fyo0f20 { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    color: #fff;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 6px 25px rgba(232,57,106,0.4);
    transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 35px rgba(232,57,106,0.5); }
.btn-outline-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border: 2px solid rgba(255,255,255,0.5);
    color: #fff;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    backdrop-filter: blur(8px);
    transition: var(--transition);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.g2u65s {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.15);
}
.kg22ai6h { text-align: center; }
.kg22ai6h .num {
    font-size: 28px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.kg22ai6h .label { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* =============================================
   通用区块
   ============================================= */
.section { padding: 70px 0; }
.7y6r0 { background: var(--bg-light); }
.b8cdq { background: var(--dark); }
.zjn1u10 { text-align: center; margin-bottom: 50px; }
.mcvox {
    display: inline-block;
    background: linear-gradient(135deg, rgba(232,57,106,0.1), rgba(245,166,35,0.1));
    border: 1px solid rgba(232,57,106,0.2);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.cc35ldi2 {
    font-size: clamp(24px, 3.5vw, 38px);
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 14px;
}
.cc35ldi2 .accent {
    background: linear-gradient(135deg, var(--primary), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.5l6slpu { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }
.b8cdq .cc35ldi2 { color: #fff; }
.b8cdq .5l6slpu { color: rgba(255,255,255,0.6); }

/* 更多按钮 */
.k3m69edc { text-align: center; margin-top: 40px; }
.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-more:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* =============================================
   视频卡片
   ============================================= */
.is9h4ri {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.o1294e4 { grid-template-columns: repeat(4, 1fr); }
.ryw5d { grid-template-columns: repeat(3, 1fr); }

.video-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}
.video-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.ygebd {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    background: var(--dark);
}
.ygebd img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.video-card:hover .ygebd img { transform: scale(1.08); }
.6jj7ovu {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%) scale(0.9);
    width: 52px; height: 52px;
    background: rgba(232,57,106,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    transition: var(--transition);
    opacity: 0;
    backdrop-filter: blur(4px);
}
.video-card:hover .6jj7ovu { opacity: 1; transform: translate(-50%,-50%) scale(1); }
.lt3np {
    position: absolute;
    bottom: 8px; right: 8px;
    background: rgba(0,0,0,0.75);
    color: #fff;
    font-size: 12px;
    padding: 2px 7px;
    border-radius: 4px;
    font-weight: 600;
}
.l046cyhd {
    position: absolute;
    top: 8px; left: 8px;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.0o7a3 { padding: 14px 16px 16px; }
.0o7a3 h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.0o7a3 h3 a:hover { color: var(--primary); }
.5dehhgk {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}
.5dehhgk span { display: flex; align-items: center; gap: 4px; }
.5dehhgk .icon { font-size: 12px; }
.bwiz8yx {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}
.bwiz8yx img {
    width: 28px; height: 28px;
    border-radius: 50%;
    object-fit: cover;
}
.bwiz8yx .name { font-size: 13px; color: var(--text-muted); }
.bwiz8yx .name strong { color: var(--text-main); font-weight: 600; }

/* 视频缩略图占位 */
.ay3t44zg {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

/* =============================================
   分类标签栏
   ============================================= */
.category-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.cat-tab {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    border: 2px solid var(--border);
    color: var(--text-muted);
    transition: var(--transition);
    cursor: pointer;
}
.cat-tab:hover, .cat-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--gold));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(232,57,106,0.3);
}

/* =============================================
   功能模块卡片
   ============================================= */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(232,57,106,0.1), rgba(245,166,35,0.1));
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* =============================================
   专家展示
   ============================================= */
.sou49mj0 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.h2omd1gi {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    transition: var(--transition);
    text-align: center;
}
.h2omd1gi:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.kpppje {
    width: 100%;
    padding-top: 100%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dark), var(--dark3));
}
.kpppje img {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}
.expert-avatar-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    background: linear-gradient(135deg, var(--dark), var(--dark3));
}
.expert-body { padding: 20px 16px; }
.expert-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.expert-body .role { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 10px; }
.expert-body p { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.expert-tags { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px; }
.expert-tag {
    font-size: 11px;
    padding: 2px 8px;
    background: rgba(232,57,106,0.08);
    color: var(--primary);
    border-radius: 10px;
    font-weight: 600;
}
.expert-actions { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-sm-primary { background: var(--primary); color: #fff; }
.btn-sm-primary:hover { background: var(--primary-dark); }
.btn-sm-outline { border: 1px solid var(--primary); color: var(--primary); }
.btn-sm-outline:hover { background: var(--primary); color: #fff; }

/* =============================================
   合作品牌 Logo 墙
   ============================================= */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    align-items: center;
}
.partner-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}
.partner-item:hover { border-color: var(--primary); color: var(--primary); transform: scale(1.05); box-shadow: var(--shadow); }
.partner-item .p-icon { font-size: 28px; margin-bottom: 8px; }

/* =============================================
   用户评价
   ============================================= */
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.review-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--border);
    position: relative;
    transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow); border-color: rgba(232,57,106,0.2); }
.review-card::before {
    content: '"';
    position: absolute;
    top: 16px; right: 20px;
    font-size: 60px;
    color: rgba(232,57,106,0.1);
    font-family: Georgia, serif;
    line-height: 1;
}
.review-stars { display: flex; gap: 3px; margin-bottom: 12px; }
.review-stars span { color: var(--gold); font-size: 16px; }
.review-text { font-size: 14px; color: var(--text-main); line-height: 1.8; margin-bottom: 18px; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-author .avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}
.review-author .info .name { font-size: 14px; font-weight: 700; color: var(--text-main); }
.review-author .info .meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.review-verified { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; color: #27AE60; font-weight: 600; margin-top: 6px; }

/* =============================================
   FAQ
   ============================================= */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item.open { border-color: rgba(232,57,106,0.3); box-shadow: 0 4px 20px rgba(232,57,106,0.1); }
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    gap: 16px;
}
.faq-question h3 { font-size: 16px; font-weight: 600; color: var(--text-main); flex: 1; }
.faq-item.open .faq-question h3 { color: var(--primary); }
.faq-toggle {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(232,57,106,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
    transition: var(--transition);
}
.faq-item.open .faq-toggle { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 20px; }
.faq-answer p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }

/* =============================================
   联系我们 / 二维码区
   ============================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.contact-info-list { display: flex; flex-direction: column; gap: 16px; }
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.contact-info-item .ci-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(232,57,106,0.1), rgba(245,166,35,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.contact-info-item .ci-text .label { font-size: 12px; color: var(--text-muted); margin-bottom: 3px; }
.contact-info-item .ci-text .value { font-size: 15px; font-weight: 600; color: var(--text-main); }
.d5ba6lo { display: flex; gap: 24px; justify-content: center; }
.onz2pi { text-align: center; }
.onz2pi img { width: 140px; height: 140px; border-radius: 12px; border: 3px solid var(--border); margin-bottom: 10px; }
.onz2pi .pu424lm { font-size: 13px; font-weight: 600; color: var(--text-main); }
.onz2pi .a7rq9 { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

/* =============================================
   社区入口
   ============================================= */
.community-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.community-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}
.community-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--primary-light); }
.community-card .cc-icon { font-size: 40px; margin-bottom: 14px; }
.community-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.community-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.community-card .cc-count { font-size: 22px; font-weight: 800; color: var(--primary); margin-top: 12px; }
.community-card .cc-count span { font-size: 13px; color: var(--text-muted); font-weight: 400; }

/* =============================================
   How-To 加入指南
   ============================================= */
.howto-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}
.howto-steps::before {
    content: '';
    position: absolute;
    top: 36px; left: 12.5%; right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    z-index: 0;
}
.howto-step {
    text-align: center;
    position: relative;
    z-index: 1;
}
.step-num {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    color: #fff;
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 6px 20px rgba(232,57,106,0.35);
}
.howto-step h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.howto-step p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* =============================================
   社交分享
   ============================================= */
.qls85 {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.n1667t { font-size: 14px; font-weight: 600; color: var(--text-muted); }
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    color: #fff;
}
.share-btn:hover { transform: translateY(-2px); opacity: 0.9; }
.909wq { background: #07C160; }
.uihnh1 { background: #E6162D; }
.idd0p { background: #010101; }
.9ywnb5j { background: #00A1D6; }
.share-qq { background: #12B7F5; }

/* =============================================
   底部 Footer
   ============================================= */
#site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.75);
    padding: 60px 0 0;
}
.ufrose {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.xh258 .logo-wrap { margin-bottom: 16px; }
.xh258 p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 20px; }
.cp97q9 h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
}
.cp97q9 h4::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 30px; height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    border-radius: 1px;
}
.zu67rd { display: flex; flex-direction: column; gap: 10px; }
.zu67rd a { font-size: 14px; color: rgba(255,255,255,0.55); transition: var(--transition); }
.zu67rd a:hover { color: var(--primary-light); padding-left: 4px; }
.yryw1uc {
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}
.yryw1uc a { color: rgba(255,255,255,0.55); }
.yryw1uc a:hover { color: var(--primary-light); }
.08f0uxe { height: 36px; filter: brightness(0) invert(1) opacity(0.8); }

/* =============================================
   内页通用
   ============================================= */
.drwqn2iz {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 100%);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.drwqn2iz::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/hero_banner.png') center/cover no-repeat;
    opacity: 0.15;
}
.44h9r { position: relative; z-index: 1; }
.drwqn2iz h1 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; color: #fff; margin-bottom: 12px; }
.drwqn2iz p { font-size: 16px; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto; }

/* 视频播放器页 */
.video-player-wrap {
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.3);
    margin-bottom: 24px;
}
.video-player-wrap video, .video-player-wrap iframe {
    width: 100%;
    aspect-ratio: 16/9;
    display: block;
}

/* 侧边栏 */
.content-sidebar-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    align-items: start;
}
.sidebar-widget {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
}
.sidebar-widget h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
    color: var(--text-main);
}
.sidebar-widget h3 span { color: var(--primary); }

/* =============================================
   AI 赋能区块
   ============================================= */
.ai-section {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 50%, var(--purple) 100%);
    position: relative;
    overflow: hidden;
}
.ai-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/ai_banner.png') center/cover no-repeat;
    opacity: 0.2;
}
.ai-section .container { position: relative; z-index: 1; }
.ai-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ai-card {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.ai-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); }
.ai-card .ai-icon { font-size: 36px; margin-bottom: 16px; }
.ai-card h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.ai-card p { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.7; }
.ai-card .ai-tag {
    display: inline-block;
    margin-top: 14px;
    font-size: 12px;
    padding: 3px 10px;
    background: rgba(232,57,106,0.25);
    color: var(--primary-light);
    border-radius: 10px;
    font-weight: 600;
}

/* =============================================
   统计数字
   ============================================= */
.i051n {
    background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
    padding: 50px 0;
}
.mn9w4mq {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}
.4jy1i .num { font-size: 42px; font-weight: 900; color: #fff; line-height: 1; }
.4jy1i .label { font-size: 14px; color: rgba(255,255,255,0.8); margin-top: 8px; }

/* =============================================
   直播区
   ============================================= */
.live-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.live-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.live-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.live-thumb {
    position: relative;
    padding-top: 75%;
    background: var(--dark);
    overflow: hidden;
}
.live-thumb-bg {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}
.live-badge {
    position: absolute;
    top: 8px; left: 8px;
    background: #E53935;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}
.live-badge .dot { width: 5px; height: 5px; background: #fff; border-radius: 50%; animation: pulse 1s infinite; }
.live-viewers {
    position: absolute;
    bottom: 8px; right: 8px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 12px;
    padding: 2px 7px;
    border-radius: 4px;
}
.live-info { padding: 12px 14px; }
.live-info h3 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.live-info .host { font-size: 12px; color: var(--text-muted); }

/* =============================================
   响应式
   ============================================= */
@media (max-width: 1200px) {
    .o1294e4 { grid-template-columns: repeat(3, 1fr); }
    .sou49mj0 { grid-template-columns: repeat(3, 1fr); }
    .partner-grid { grid-template-columns: repeat(4, 1fr); }
    .ufrose { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 992px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .ryw5d, .o1294e4 { grid-template-columns: repeat(2, 1fr); }
    .ai-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
    .community-grid { grid-template-columns: repeat(2, 1fr); }
    .howto-steps { grid-template-columns: repeat(2, 1fr); }
    .howto-steps::before { display: none; }
    .mn9w4mq { grid-template-columns: repeat(2, 1fr); }
    .live-grid { grid-template-columns: repeat(2, 1fr); }
    .content-sidebar-layout { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .main-nav { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(26,26,46,0.97); flex-direction: column; align-items: center; justify-content: center; gap: 20px; z-index: 9999; }
    .main-nav.open { display: flex; }
    .main-nav a { font-size: 20px; color: #fff; }
    .hamburger { display: flex; }
    .header-right .btn-login, .header-right .btn-join { display: none; }
    .g2u65s { gap: 20px; }
    .feature-grid { grid-template-columns: 1fr; }
    .is9h4ri, .ryw5d, .o1294e4 { grid-template-columns: repeat(2, 1fr); }
    .sou49mj0 { grid-template-columns: repeat(2, 1fr); }
    .partner-grid { grid-template-columns: repeat(3, 1fr); }
    .ufrose { grid-template-columns: 1fr; }
    .yryw1uc { flex-direction: column; text-align: center; }
    .review-grid { grid-template-columns: 1fr; }
    .ai-grid { grid-template-columns: 1fr; }
    .community-grid { grid-template-columns: repeat(2, 1fr); }
    .howto-steps { grid-template-columns: 1fr; }
    .mn9w4mq { grid-template-columns: repeat(2, 1fr); }
    .live-grid { grid-template-columns: repeat(2, 1fr); }
    .sflp9x4q { padding: 50px 0; }
    .section { padding: 50px 0; }
}
@media (max-width: 480px) {
    .is9h4ri, .ryw5d, .o1294e4 { grid-template-columns: 1fr; }
    .sou49mj0 { grid-template-columns: 1fr; }
    .partner-grid { grid-template-columns: repeat(2, 1fr); }
    .community-grid { grid-template-columns: 1fr; }
    .live-grid { grid-template-columns: 1fr; }
    .g2u65s { flex-wrap: wrap; gap: 16px; }
    .fyo0f20 { flex-direction: column; }
    .search-inner { flex-direction: column; }
}

/* =============================================
   加载动画
   ============================================= */
.lazy-load { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.lazy-load.visible { opacity: 1; transform: translateY(0); }

/* =============================================
   弹幕效果
   ============================================= */
.danmu-wrap {
    position: relative;
    overflow: hidden;
    background: rgba(0,0,0,0.03);
    border-radius: var(--radius);
    padding: 10px 0;
    margin-bottom: 20px;
    height: 40px;
}
.danmu-item {
    position: absolute;
    white-space: nowrap;
    font-size: 14px;
    color: var(--text-muted);
    animation: danmu-move 12s linear infinite;
    top: 50%;
    transform: translateY(-50%);
}
@keyframes danmu-move { from { left: 100%; } to { left: -100%; } }

/* =============================================
   专家团队内页
   ============================================= */
.h2omd1gi {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    transition: var(--transition);
    display: flex;
    gap: 20px;
    padding: 24px;
    border: 1px solid var(--border);
    align-items: flex-start;
}
.h2omd1gi:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(232,57,106,0.2); }
.kpppje {
    width: 80px; height: 80px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}
.avv7cu { flex: 1; }
.avv7cu h3 { font-size: 18px; font-weight: 800; margin-bottom: 4px; color: var(--text-main); }
.zadthc { font-size: 13px; color: var(--primary); font-weight: 700; margin-bottom: 10px; }
.avv7cu p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
.cxrwufa { display: flex; gap: 16px; flex-wrap: wrap; }
.cxrwufa span { font-size: 13px; color: var(--text-muted); font-weight: 600; }

/* =============================================
   MCP 前端标记
   ============================================= */
.mcp-widget {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: rgba(255,255,255,0.3);
    padding: 4px 10px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
}

/* =============================================
   Footer 补充样式（新增类，替代内联style）
   ============================================= */
.9prfa { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 20px; }
.9prfa a { color: var(--gold); }
.fifg1 { margin-top: 20px; }
.zp9a6lim {
    margin-top: 16px;
    padding: 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    line-height: 1.9;
}
.i6h0yd5u { color: var(--gold); font-weight: 600; }
.5o76z { color: rgba(255,255,255,0.6); }
.5kekv { color: rgba(255,255,255,0.45); }
.l3w5txo { font-size: 13px; color: rgba(255,255,255,0.4); }
.wvxrt { display: flex; align-items: center; gap: 16px; }
.wvxrt a { font-size: 12px; color: rgba(255,255,255,0.45); }
.wvxrt a:hover { color: var(--primary-light); }

/* =============================================
   搜索热词标签
   ============================================= */
.search-hot-label { color: rgba(255,255,255,0.5); font-size: 12px; }

/* =============================================
   视频详情页内联样式外置
   ============================================= */
.msnvmr0 { padding-top: 30px; }
.tl8kzpo {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
}
.tl8kzpo h1 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-main);
}
.z8ytz2 {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.z8ytz2 span { font-size: 14px; color: var(--text-muted); }
.video-author-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.video-author-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--gold));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}
.video-author-name { font-size: 15px; font-weight: 700; }
.video-author-cert { font-size: 13px; color: var(--text-muted); }
.video-follow-btn {
    margin-left: auto;
    padding: 8px 20px;
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}
.video-follow-btn:hover { background: var(--primary-dark); }
.lbhst {
    margin-top: 16px;
    padding: 14px;
    background: var(--bg-light);
    border-radius: 8px;
}
.lbhst p { font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.d3s9oge {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px 24px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
}
.qb6pu {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    text-decoration: none;
}
.686ob {
    width: 80px;
    height: 50px;
    border-radius: 6px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.lqgv8 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.3olnw { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* =============================================
   视频嵌入播放区（首页 VideoObject 可见播放器）
   ============================================= */
.qgnle {
    background: var(--dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}
.qgnle video {
    width: 100%;
    aspect-ratio: 16/9;
    display: block;
    background: #000;
}
.hkqnae3b {
    padding: 16px 20px;
    background: var(--dark2);
    display: flex;
    align-items: center;
    gap: 12px;
}
.hkqnae3b h3 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    flex: 1;
}
.hkqnae3b .badge {
    font-size: 11px;
    padding: 3px 10px;
    background: var(--primary);
    color: #fff;
    border-radius: 12px;
    font-weight: 600;
}

/* =============================================
   面包屑结构化数据增强（BreadcrumbList）
   ============================================= */
.0qwrginj[itemscope] { }
.0qwrginj li[itemprop="itemListElement"] { display: inline-flex; align-items: center; }

/* =============================================
   about页 Organization 信号增强
   ============================================= */
.org-cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}
.org-cert-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}
.org-cert-item:hover { box-shadow: var(--shadow); }
.org-cert-icon { font-size: 36px; margin-bottom: 10px; }
.org-cert-title { font-size: 15px; font-weight: 700; color: var(--text-main); margin-bottom: 6px; }
.org-cert-desc { font-size: 13px; color: var(--text-muted); }

/* =============================================
   视频卡片 thumbnailUrl 图片占位增强
   ============================================= */
.ay3t44zg {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

/* =============================================
   响应式补充
   ============================================= */
@media (max-width: 768px) {
    .org-cert-grid { grid-template-columns: 1fr; }
    .z8ytz2 { gap: 12px; }
    .video-author-row { flex-wrap: wrap; }
}
@media (max-width: 480px) {
    .org-cert-grid { grid-template-columns: 1fr; }
    .wvxrt { flex-direction: column; gap: 8px; }
}

/* =============================================
   首页视频卡片 - 头像颜色类（替代内联style）
   ============================================= */
.kjsa9 {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 12px; font-weight: 700;
    flex-shrink: 0;
}
.1blpkxu4 { background: linear-gradient(135deg,#E8396A,#F5A623); }
.x2qh71 { background: linear-gradient(135deg,#6B2FA0,#2980B9); }
.9acvjz7 { background: linear-gradient(135deg,#E8396A,#F5A623); }
.t1en25ir { background: linear-gradient(135deg,#F5A623,#E8396A); }
.av-c5 { background: linear-gradient(135deg,#16213E,#0F3460); }
.av-c6 { background: linear-gradient(135deg,#9B59B6,#E8396A); }
.av-c7 { background: linear-gradient(135deg,#27AE60,#F5A623); }
.av-c8 { background: linear-gradient(135deg,#2980B9,#6B2FA0); }

/* 视频卡片缩略图颜色类 */
.46jqz { background: linear-gradient(135deg,#1A1A2E,#E8396A); }
.br0juz30 { background: linear-gradient(135deg,#0F3460,#6B2FA0); }
.d6l8ql { background: linear-gradient(135deg,#E8396A,#FF6B9D); }
.aeu8w { background: linear-gradient(135deg,#F5A623,#E8396A); }
.zgsa21 { background: linear-gradient(135deg,#16213E,#0F3460); }
.v75lp { background: linear-gradient(135deg,#9B59B6,#E8396A); }
.movxnr2 { background: linear-gradient(135deg,#27AE60,#F5A623); }
.j60xii8 { background: linear-gradient(135deg,#2980B9,#6B2FA0); }

/* 直播卡片背景颜色类 */
.live-bg-c1 { background: linear-gradient(135deg,#E8396A,#F5A623); }
.live-bg-c2 { background: linear-gradient(135deg,#6B2FA0,#2980B9); }
.live-bg-c3 { background: linear-gradient(135deg,#27AE60,#F5A623); }
.live-bg-c4 { background: linear-gradient(135deg,#E8396A,#9B59B6); }
.live-badge-voice { background: #6B2FA0; }

/* AI区 section-tag/title/desc 白色版本 */
.jwb1sgh5 {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    color: #fff;
}
.5vlpisv3 { color: #fff; }
.5ovw6d { color: rgba(255,255,255,0.7); }

/* 弹幕区背景 */
.rvmpn6d {
    background: var(--dark2);
    padding: 6px 0;
}

/* 分享区 */
.s7mcfxz { padding: 30px 0; }
.u1oo6s {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}
.r5934tz7 h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.r5934tz7 p { font-size: 14px; color: var(--text-muted); }

/* 联系区二维码图片 */
.vln1m5x { border-radius: 12px; border: 3px solid var(--border); }
.contact-qr-wrap { text-align: center; }
.contact-social-box {
    margin-top: 24px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.contact-social-box h3 { font-size: 16px; font-weight: 700; margin-bottom: 12px; color: var(--text-main); }
.contact-social-btns { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.contact-social-btns a {
    padding: 8px 16px;
    color: #fff;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.csb-qq      { background: #12B7F5; }
.csb-wechat  { background: #07C160; }
.csb-app     { background: var(--dark); }
.contact-social-btns a:hover { opacity: 0.85; }

/* 专家卡片头像颜色 */
.expert-av-1 .kpppje,
.expert-av-2 .kpppje,
.expert-av-3 .kpppje,
.expert-av-4 .kpppje { }

@media (max-width: 768px) {
    .u1oo6s { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   补充样式 v2 - 修复内联样式移除后的空缺
   ============================================================ */

/* --- 通用工具类 --- */
.section-title-left { text-align: left; }
.link-primary { color: var(--primary); text-decoration: none; }
.link-primary:hover { text-decoration: underline; }
.text-gold { color: var(--gold); font-weight: 700; }
.text-muted { color: var(--text-muted); font-size: 13px; }
.badge { background: var(--primary); color: #fff; padding: 3px 10px; border-radius: 10px; font-size: 13px; font-weight: 600; }
.badge-green { background: rgba(39,174,96,0.85); color: #fff; padding: 3px 10px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.badge-red   { background: rgba(232,57,106,0.85); color: #fff; padding: 3px 10px; border-radius: 10px; font-size: 12px; font-weight: 600; }

/* --- 视频详情页 --- */
.msnvmr0 { padding-top: 30px; }
.tl8kzpo { background: #fff; border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); margin-top: 20px; }
.tl8kzpo h1 { font-size: 22px; font-weight: 800; margin-bottom: 12px; }
.z8ytz2 { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
.z8ytz2 span { font-size: 14px; color: var(--text-muted); }
.lbhst { margin-top: 16px; }
.lbhst p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }
.qsq8e { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.d3s9oge { margin-top: 20px; }
.qls85 { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.n1667t { font-size: 14px; color: var(--text-muted); }
.share-btn { padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; color: #fff; text-decoration: none; transition: opacity .2s; }
.share-btn:hover { opacity: .85; }
.909wq   { background: #07c160; }
.uihnh1    { background: #e6162d; }
.idd0p   { background: #010101; }
.9ywnb5j { background: #00a1d6; }

/* --- 选集 --- */
.snt6hf { margin-top: 20px; }
.snt6hf h3 { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.k37cwa { display: flex; flex-wrap: wrap; gap: 8px; }
.qsodft { width: 52px; height: 36px; display: flex; align-items: center; justify-content: center; background: var(--bg-light); color: var(--text-main); border-radius: 6px; font-size: 13px; font-weight: 600; border: 1px solid var(--border); text-decoration: none; transition: var(--transition); }
.qsodft:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.ckpeup7 { background: var(--primary); color: #fff; border-color: var(--primary); }
.v9wbhn { display: flex; align-items: center; font-size: 13px; color: var(--text-muted); }

/* --- 侧边栏相关视频 --- */
.qb6pu { display: flex; gap: 10px; margin-bottom: 14px; text-decoration: none; }
.686ob { width: 80px; height: 50px; border-radius: 6px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.lqgv8 { font-size: 13px; font-weight: 600; color: var(--text-main); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.3olnw { font-size: 12px; margin-top: 3px; }

/* --- 缩略图颜色类 --- */
.46jqz { background: linear-gradient(135deg,#E8396A,#FF6B9D); }
.br0juz30 { background: linear-gradient(135deg,#1A1A2E,#6B2FA0); }
.d6l8ql { background: linear-gradient(135deg,#F5A623,#E8396A); }
.aeu8w { background: linear-gradient(135deg,#27AE60,#F5A623); }
.zgsa21 { background: linear-gradient(135deg,#9B59B6,#E8396A); }
.v75lp { background: linear-gradient(135deg,#0F3460,#2980B9); }
.movxnr2 { background: linear-gradient(135deg,#27AE60,#1A1A2E); }
.j60xii8 { background: linear-gradient(135deg,#E8396A,#9B59B6); }

/* --- 社区话题卡片 --- */
.ux49mr { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.6fh8l3 { background: #fff; border-radius: var(--radius); padding: 20px; border: 1px solid var(--border); transition: var(--transition); }
.6fh8l3:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.gp3fl01g { font-size: 24px; margin-bottom: 10px; }
.6fh8l3 h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.6fh8l3 p { font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.6ejcis { font-size: 13px; font-weight: 600; color: var(--text-main); }

/* --- 社区CTA --- */
.kyf87 { background: linear-gradient(135deg,var(--primary),var(--gold)); padding: 60px 0; text-align: center; }
.z29mnui h2 { font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.z29mnui p { font-size: 18px; color: rgba(255,255,255,0.85); margin-bottom: 32px; }
.u1wiwue { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.glt6du48 { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; }
.7kwfo5w { text-align: center; color: rgba(255,255,255,0.9); }
.7kwfo5w .num { font-size: 28px; font-weight: 800; }
.7kwfo5w .label { font-size: 14px; margin-top: 4px; }

/* --- 创作工具卡片 --- */
.xnxkx1b { background: rgba(232,57,106,0.05); border-color: rgba(232,57,106,0.15); }
.q9dqh8v { background: rgba(232,57,106,0.1); color: var(--primary); }

/* --- 关于页 --- */
.uukgdbo { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.uukgdbo p { font-size: 16px; color: var(--text-muted); line-height: 1.9; margin-bottom: 20px; }
.l8rq6 { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); width: 100%; }

/* --- 时间线 --- */
.iue4x { max-width: 800px; margin: 0 auto; }
.m7261 { display: flex; gap: 24px; margin-bottom: 32px; }
.f428l { flex-shrink: 0; text-align: center; }
.uj05k1k0 { width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg,var(--primary),var(--gold)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: 800; }
.ha86w1 { width: 2px; height: 40px; background: var(--border); margin: 8px auto; }
.3p93ul { padding-top: 14px; }
.3p93ul p { font-size: 15px; color: var(--text-main); line-height: 1.8; }

/* --- 荣誉卡片 --- */
.hp6eut { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.1unv8 { background: #fff; border-radius: var(--radius); padding: 24px; text-align: center; border: 1px solid var(--border); box-shadow: 0 2px 12px rgba(0,0,0,0.05); transition: var(--transition); }
.1unv8:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.k5oj60lb { font-size: 40px; margin-bottom: 14px; }
.1unv8 h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--text-main); }
.1unv8 p { font-size: 13px; color: var(--primary); font-weight: 600; }

/* --- 联系页 --- */
.d5ba6lo { display: flex; justify-content: center; gap: 32px; margin-bottom: 32px; flex-wrap: wrap; }
.onz2pi { text-align: center; }
.pu424lm { margin-top: 10px; font-size: 15px; font-weight: 700; }
.a7rq9 { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.a6ruyzq { background: var(--bg-light); border-radius: var(--radius-lg); padding: 28px; border: 1px solid var(--border); }
.a6ruyzq h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
.f4nhnmy { background: #fff; border-radius: var(--radius); height: 200px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); margin-bottom: 16px; font-size: 40px; color: var(--text-light); }
.a6ruyzq p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.6onzcj { margin-top: 16px; display: flex; gap: 12px; flex-wrap: wrap; }
.6onzcj span { font-size: 13px; padding: 4px 12px; background: rgba(232,57,106,0.08); color: var(--primary); border-radius: 10px; font-weight: 600; }

/* --- 专家页 --- */
.9ko860sb   { background: linear-gradient(135deg,var(--primary),var(--gold)); }
.zudkqwpu { background: linear-gradient(135deg,#6B2FA0,#2980B9); }
.kpppje span { font-size: 40px; }
.7lyuni4 { background: linear-gradient(135deg,var(--primary),var(--gold)); text-align: center; padding: 60px 0; }
.9aap4ey h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.9aap4ey p { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 32px; }
.btn-white { display: inline-block; padding: 14px 40px; background: #fff; color: var(--primary); border-radius: 30px; font-size: 16px; font-weight: 700; box-shadow: 0 6px 25px rgba(0,0,0,0.15); text-decoration: none; transition: var(--transition); }
.btn-white:hover { opacity: .9; }

/* --- 补充响应式 --- */
@media (max-width: 992px) {
    .uukgdbo { grid-template-columns: 1fr; gap: 30px; }
    .hp6eut { grid-template-columns: repeat(2,1fr); }
    .ux49mr { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
    .hp6eut { grid-template-columns: 1fr 1fr; }
    .ux49mr { grid-template-columns: 1fr; }
    .z29mnui h2 { font-size: 26px; }
    .glt6du48 { gap: 20px; }
    .m7261 { gap: 14px; }
    .uj05k1k0 { width: 48px; height: 48px; font-size: 11px; }
    .d5ba6lo { gap: 20px; }
    .z8ytz2 { gap: 10px; }
    .qsodft { width: 44px; height: 32px; font-size: 12px; }
}
@media (max-width: 480px) {
    .hp6eut { grid-template-columns: 1fr; }
    .share-btn { padding: 5px 12px; font-size: 12px; }
}