/* =============================================
   网红主播 - 主样式文件
   品牌色：深海蓝 #0b1a3b / 樱花粉 #ff6b9d / 暖金 #ffd700
   字体：系统中文字体栈
   ============================================= */

/* ---------- 基础重置 ---------- */
*, *::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", "WenQuanYi Micro Hei", sans-serif;
    background: #f7f3f8;
    color: #1a1a2e;
    line-height: 1.7;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color .25s; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- CSS变量 ---------- */
:root {
    --navy:    #0b1a3b;
    --navy2:   #162952;
    --pink:    #ff6b9d;
    --pink2:   #ff9ec4;
    --gold:    #ffd700;
    --gold2:   #ffb300;
    --white:   #ffffff;
    --bg:      #f7f3f8;
    --bg2:     #fff0f5;
    --text:    #1a1a2e;
    --text2:   #4a4a6a;
    --border:  #e8d5e8;
    --shadow:  0 4px 24px rgba(11,26,59,.10);
    --shadow2: 0 8px 40px rgba(255,107,157,.18);
    --radius:  14px;
    --radius2: 8px;
    --transition: .28s cubic-bezier(.4,0,.2,1);
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f0e8f0; }
::-webkit-scrollbar-thumb { background: var(--pink2); border-radius: 3px; }

/* ---------- 通用容器 ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-alt { background: var(--bg2); }
.section-dark { background: var(--navy); color: var(--white); }

/* ---------- 通用标题 ---------- */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--navy);
    position: relative;
    display: inline-block;
    padding-bottom: 14px;
}
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 56px; height: 4px;
    background: linear-gradient(90deg, var(--pink), var(--gold));
    border-radius: 2px;
}
.section-dark .section-header h2 { color: var(--white); }
.section-header p { color: var(--text2); margin-top: 12px; font-size: 1rem; }
.section-dark .section-header p { color: rgba(255,255,255,.75); }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: 50px;
    font-size: .95rem; font-weight: 600;
    transition: var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--pink), var(--gold2));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(255,107,157,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(255,107,157,.5); }
.btn-outline {
    border: 2px solid var(--pink);
    color: var(--pink);
    background: transparent;
}
.btn-outline:hover { background: var(--pink); color: var(--white); }
.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold2));
    color: var(--navy);
    font-weight: 700;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,215,0,.4); }
.btn-sm { padding: 8px 18px; font-size: .85rem; }

/* ---------- 标签 ---------- */
.tag {
    display: inline-block;
    padding: 3px 12px; border-radius: 20px;
    font-size: .78rem; font-weight: 600;
    background: rgba(255,107,157,.12);
    color: var(--pink);
    border: 1px solid rgba(255,107,157,.25);
}
.tag-navy { background: rgba(11,26,59,.08); color: var(--navy); border-color: rgba(11,26,59,.15); }
.tag-gold { background: rgba(255,215,0,.15); color: var(--gold2); border-color: rgba(255,215,0,.3); }

/* =============================================
   顶部通知栏
   ============================================= */
.top-bar {
    background: linear-gradient(90deg, var(--navy), var(--navy2));
    color: rgba(255,255,255,.85);
    font-size: .82rem;
    padding: 7px 0;
    text-align: center;
}
.top-bar a { color: var(--gold); }
.top-bar .top-bar-inner {
    display: flex; align-items: center; justify-content: center; gap: 24px;
    flex-wrap: wrap;
}

/* =============================================
   导航栏
   ============================================= */
.navbar {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 16px rgba(11,26,59,.07);
    transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(11,26,59,.14); }
.navbar-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px; gap: 24px;
}
/* Logo区 */
.navbar-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.navbar-favicon { width: 28px; height: 28px; border-radius: 6px; object-fit: contain; }
.navbar-logo { height: 40px; width: auto; object-fit: contain; }
.navbar-brand-text { font-size: 1.3rem; font-weight: 800; color: var(--navy); letter-spacing: .02em; }
.navbar-brand-text span { color: var(--pink); }

/* 导航菜单 */
.navbar-nav { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
    display: block; padding: 8px 14px;
    font-size: .92rem; font-weight: 600; color: var(--text);
    border-radius: var(--radius2);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--pink); background: rgba(255,107,157,.08); }
.nav-link.active::after {
    content: '';
    position: absolute; bottom: 2px; left: 50%;
    transform: translateX(-50%);
    width: 20px; height: 3px;
    background: var(--pink); border-radius: 2px;
}

/* 搜索框 */
.navbar-search { display: flex; align-items: center; gap: 8px; }
.search-wrap {
    display: flex; align-items: center;
    background: #f0e8f5; border-radius: 50px;
    padding: 6px 14px; gap: 8px;
    border: 1.5px solid transparent;
    transition: var(--transition);
}
.search-wrap:focus-within { border-color: var(--pink); background: var(--white); }
.search-wrap input {
    border: none; background: transparent; outline: none;
    font-size: .88rem; color: var(--text); width: 160px;
    font-family: inherit;
}
.search-wrap input::placeholder { color: #aaa; }
.search-btn {
    color: var(--pink); font-size: 1rem;
    padding: 0; line-height: 1;
}

/* 汉堡菜单 */
.navbar-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.navbar-toggle span { display: block; width: 24px; height: 2.5px; background: var(--navy); border-radius: 2px; transition: var(--transition); }

/* 搜索结果提示 */
.search-hint {
    display: none; position: absolute; top: calc(100% + 8px); right: 0;
    background: var(--white); border-radius: var(--radius2);
    box-shadow: var(--shadow); padding: 12px 16px;
    font-size: .85rem; color: var(--text2); white-space: nowrap;
    border: 1px solid var(--border);
    z-index: 100;
}

/* =============================================
   搜索栏（导航下方独立搜索区）
   ============================================= */
.search-bar-section {
    background: linear-gradient(135deg, var(--navy) 0%, #1a2d5a 100%);
    padding: 18px 0;
}
.search-bar-inner {
    display: flex; align-items: center; gap: 12px;
    max-width: 700px; margin: 0 auto;
}
.search-bar-main {
    flex: 1; display: flex; align-items: center;
    background: rgba(255,255,255,.12); border-radius: 50px;
    padding: 10px 20px; gap: 10px;
    border: 1.5px solid rgba(255,107,157,.4);
    transition: var(--transition);
}
.search-bar-main:focus-within { border-color: var(--pink); background: rgba(255,255,255,.18); }
.search-bar-main input {
    flex: 1; border: none; background: transparent; outline: none;
    font-size: .95rem; color: var(--white); font-family: inherit;
}
.search-bar-main input::placeholder { color: rgba(255,255,255,.55); }
.search-bar-main .search-icon { color: rgba(255,255,255,.6); font-size: 1.1rem; }
.search-bar-btn {
    background: linear-gradient(135deg, var(--pink), var(--gold2));
    color: var(--white); padding: 10px 28px; border-radius: 50px;
    font-weight: 700; font-size: .95rem;
    box-shadow: 0 4px 14px rgba(255,107,157,.35);
    transition: var(--transition);
}
.search-bar-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255,107,157,.5); }
.search-hot-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; justify-content: center; }
.search-hot-tags span { color: rgba(255,255,255,.6); font-size: .82rem; }
.search-hot-tags a { color: var(--pink2); font-size: .82rem; transition: color .2s; }
.search-hot-tags a:hover { color: var(--gold); }

/* =============================================
   Hero 区域
   ============================================= */
.hero {
    position: relative; overflow: hidden;
    min-height: 580px;
    display: flex; align-items: center;
    background: linear-gradient(135deg, var(--navy) 0%, #1a2d5a 60%, #2d1a3b 100%);
}
.hero-bg {
    position: absolute; inset: 0;
    background-image: url('/assets/images/hero_banner.jpg');
    background-size: cover; background-position: center;
    opacity: .22;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(11,26,59,.85) 0%, rgba(45,26,59,.7) 100%);
}
/* 樱花粒子 */
.petal {
    position: absolute; pointer-events: none;
    width: 10px; height: 10px;
    background: radial-gradient(circle, #ffb3d1 0%, #ff6b9d 60%, transparent 100%);
    border-radius: 50% 0 50% 0;
    animation: petalFall linear infinite;
    opacity: 0;
}
@keyframes petalFall {
    0%   { transform: translateY(-20px) rotate(0deg); opacity: .8; }
    100% { transform: translateY(110vh) rotate(720deg); opacity: 0; }
}
.hero-content {
    position: relative; z-index: 2;
    max-width: 680px;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,107,157,.18); border: 1px solid rgba(255,107,157,.35);
    color: var(--pink2); padding: 5px 14px; border-radius: 20px;
    font-size: .82rem; font-weight: 600; margin-bottom: 20px;
}
.hero-badge::before { content: '●'; color: var(--pink); animation: blink 1.5s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }
.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900; color: var(--white);
    line-height: 1.25; margin-bottom: 18px;
}
.hero h1 em { font-style: normal; color: var(--pink); }
.hero h1 strong { color: var(--gold); }
.hero-sub {
    font-size: 1.05rem; color: rgba(255,255,255,.8);
    margin-bottom: 32px; max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
    display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
    font-size: 1.8rem; font-weight: 900; color: var(--gold);
    display: block; line-height: 1;
}
.hero-stat .label { font-size: .8rem; color: rgba(255,255,255,.65); margin-top: 4px; }

/* =============================================
   弹幕区
   ============================================= */
.danmu-section {
    background: var(--navy2); padding: 14px 0; overflow: hidden;
    border-top: 1px solid rgba(255,107,157,.2);
    border-bottom: 1px solid rgba(255,107,157,.2);
}
.danmu-track { display: flex; gap: 40px; white-space: nowrap; animation: danmuScroll 30s linear infinite; }
.danmu-track:hover { animation-play-state: paused; }
.danmu-item {
    display: inline-flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,.75); font-size: .88rem;
    flex-shrink: 0;
}
.danmu-item .avatar {
    width: 22px; height: 22px; border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--gold));
    display: flex; align-items: center; justify-content: center;
    font-size: .65rem; color: var(--white); font-weight: 700;
    flex-shrink: 0;
}
@keyframes danmuScroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* =============================================
   传媒卡片（Video Cards）
   ============================================= */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.video-card {
    background: var(--white); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow2); }
.video-thumb {
    position: relative; overflow: hidden;
    aspect-ratio: 16/9;
}
.video-thumb img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(11,26,59,.45);
    opacity: 0; transition: opacity .28s;
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
    width: 54px; height: 54px; border-radius: 50%;
    background: rgba(255,107,157,.9);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(255,107,157,.5);
    transition: transform .2s;
}
.video-card:hover .play-icon { transform: scale(1.1); }
.play-icon::after {
    content: '';
    border: 0 solid transparent;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 18px solid var(--white);
    margin-left: 4px;
}
.video-duration {
    position: absolute; bottom: 8px; right: 10px;
    background: rgba(0,0,0,.7); color: var(--white);
    font-size: .75rem; padding: 2px 7px; border-radius: 4px;
}
.video-badge-hot {
    position: absolute; top: 8px; left: 10px;
    background: linear-gradient(135deg, var(--pink), var(--gold2));
    color: var(--white); font-size: .72rem; font-weight: 700;
    padding: 2px 8px; border-radius: 4px;
}
.video-info { padding: 14px 16px; }
.video-title {
    font-size: .95rem; font-weight: 700; color: var(--text);
    line-height: 1.4; margin-bottom: 8px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.video-meta {
    display: flex; align-items: center; gap: 12px;
    font-size: .78rem; color: var(--text2);
    flex-wrap: wrap;
}
.video-meta span { display: flex; align-items: center; gap: 3px; }
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }

/* =============================================
   分类模块
   ============================================= */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}
.category-card {
    background: var(--white); border-radius: var(--radius);
    padding: 24px 16px; text-align: center;
    box-shadow: var(--shadow); cursor: pointer;
    transition: var(--transition); border: 2px solid transparent;
}
.category-card:hover { border-color: var(--pink); transform: translateY(-4px); box-shadow: var(--shadow2); }
.category-icon {
    width: 52px; height: 52px; border-radius: 14px;
    background: linear-gradient(135deg, rgba(255,107,157,.15), rgba(255,215,0,.15));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; margin: 0 auto 12px;
    transition: var(--transition);
}
.category-card:hover .category-icon { background: linear-gradient(135deg, var(--pink), var(--gold2)); }
.category-name { font-size: .9rem; font-weight: 700; color: var(--text); }
.category-count { font-size: .78rem; color: var(--text2); margin-top: 4px; }

/* =============================================
   专家卡片
   ============================================= */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}
.expert-card {
    background: var(--white); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow2); border-color: var(--pink2); }
.expert-head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.expert-avatar {
    width: 72px; height: 72px; border-radius: 50%;
    object-fit: cover; border: 3px solid var(--pink2);
    flex-shrink: 0;
}
.expert-name { font-size: 1.1rem; font-weight: 800; color: var(--navy); }
.expert-title { font-size: .85rem; color: var(--pink); font-weight: 600; margin-top: 3px; }
.expert-org { font-size: .8rem; color: var(--text2); margin-top: 2px; }
.expert-bio { font-size: .88rem; color: var(--text2); line-height: 1.6; margin-bottom: 14px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.expert-actions { display: flex; gap: 10px; }

/* =============================================
   AI赋能区
   ============================================= */
.ai-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
}
.ai-card {
    background: rgba(255,255,255,.06); border-radius: var(--radius);
    padding: 28px 24px; border: 1px solid rgba(255,107,157,.2);
    transition: var(--transition);
}
.ai-card:hover { background: rgba(255,107,157,.1); border-color: var(--pink); transform: translateY(-4px); }
.ai-icon {
    width: 56px; height: 56px; border-radius: 16px;
    background: linear-gradient(135deg, var(--pink), var(--gold2));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; margin-bottom: 16px;
}
.ai-card h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.ai-card p { font-size: .88rem; color: rgba(255,255,255,.7); line-height: 1.6; }

/* =============================================
   社区功能区
   ============================================= */
.community-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}
.community-feat {
    background: var(--white); border-radius: var(--radius);
    padding: 24px 20px; text-align: center;
    box-shadow: var(--shadow); transition: var(--transition);
    border-bottom: 3px solid transparent;
}
.community-feat:hover { border-bottom-color: var(--pink); transform: translateY(-4px); }
.community-feat-icon { font-size: 2.2rem; margin-bottom: 12px; }
.community-feat h3 { font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.community-feat p { font-size: .82rem; color: var(--text2); }

/* =============================================
   合作品牌Logo墙
   ============================================= */
.partner-logos {
    display: flex; flex-wrap: wrap; gap: 16px;
    justify-content: center; align-items: center;
}
.partner-logo-item {
    background: var(--white); border-radius: var(--radius2);
    padding: 14px 24px; border: 1px solid var(--border);
    font-size: .9rem; font-weight: 700; color: var(--text2);
    transition: var(--transition);
    min-width: 120px; text-align: center;
}
.partner-logo-item:hover { border-color: var(--pink); color: var(--pink); transform: scale(1.04); }

/* =============================================
   加入社区 How-To
   ============================================= */
.howto-steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px; counter-reset: step;
}
.howto-step {
    background: var(--white); border-radius: var(--radius);
    padding: 28px 22px; box-shadow: var(--shadow);
    position: relative; text-align: center;
    transition: var(--transition);
}
.howto-step:hover { transform: translateY(-4px); box-shadow: var(--shadow2); }
.howto-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
    width: 36px; height: 36px; border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--gold2));
    color: var(--white); font-weight: 900; font-size: 1rem;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px rgba(255,107,157,.35);
}
.howto-step-icon { font-size: 2rem; margin: 12px 0 10px; }
.howto-step h3 { font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.howto-step p { font-size: .85rem; color: var(--text2); }

/* =============================================
   联系区
   ============================================= */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}
.contact-card {
    background: var(--white); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow);
    border-top: 4px solid var(--pink);
    transition: var(--transition);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow2); }
.contact-card-icon { font-size: 2rem; margin-bottom: 14px; }
.contact-card h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.contact-card p { font-size: .88rem; color: var(--text2); line-height: 1.7; }
.contact-card a { color: var(--pink); }

.qrcode-wrap {
    display: flex; gap: 32px; justify-content: center; flex-wrap: wrap;
    margin-top: 32px;
}
.qrcode-item { text-align: center; }
.qrcode-item img {
    width: 140px; height: 140px; object-fit: cover;
    border-radius: var(--radius2); border: 3px solid var(--border);
    margin-bottom: 8px;
}
.qrcode-item p { font-size: .85rem; color: var(--text2); font-weight: 600; }

/* =============================================
   用户评价
   ============================================= */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.review-card {
    background: var(--white); border-radius: var(--radius);
    padding: 24px; box-shadow: var(--shadow);
    border-left: 4px solid var(--pink);
    transition: var(--transition);
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow2); }
.review-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--gold));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: var(--white); font-weight: 700;
    flex-shrink: 0;
}
.review-name { font-weight: 700; color: var(--navy); font-size: .95rem; }
.review-date { font-size: .78rem; color: var(--text2); margin-top: 2px; }
.review-stars { color: var(--gold); font-size: .9rem; letter-spacing: 1px; margin-bottom: 8px; }
.review-text { font-size: .88rem; color: var(--text2); line-height: 1.65; }
.review-tag { margin-top: 10px; }

/* =============================================
   FAQ
   ============================================= */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: var(--white); border-radius: var(--radius2);
    margin-bottom: 12px; box-shadow: var(--shadow);
    border: 1px solid var(--border); overflow: hidden;
    transition: var(--transition);
}
.faq-item.open { border-color: var(--pink2); }
.faq-q {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 22px; cursor: pointer;
    font-weight: 700; font-size: .95rem; color: var(--navy);
    gap: 12px;
}
.faq-q:hover { color: var(--pink); }
.faq-icon {
    width: 24px; height: 24px; border-radius: 50%;
    background: rgba(255,107,157,.12); color: var(--pink);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
    transition: transform .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--pink); color: var(--white); }
.faq-a {
    max-height: 0; overflow: hidden;
    transition: max-height .4s ease, padding .3s;
    padding: 0 22px;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }
.faq-a p { font-size: .9rem; color: var(--text2); line-height: 1.7; }

/* =============================================
   社交分享
   ============================================= */
.share-bar {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    justify-content: center; margin-top: 24px;
}
.1m769 {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px; border-radius: 50px; font-size: .85rem; font-weight: 600;
    transition: var(--transition);
}
.share-wechat  { background: #07c160; color: #fff; }
.share-weibo   { background: #e6162d; color: #fff; }
.share-douyin  { background: #010101; color: #fff; }
.share-bilibili{ background: #00a1d6; color: #fff; }
.1m769:hover { opacity: .85; transform: translateY(-2px); }

/* =============================================
   数字统计
   ============================================= */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 24px; text-align: center;
}
.stat-item { padding: 24px 16px; }
.stat-num {
    font-size: 2.4rem; font-weight: 900;
    background: linear-gradient(135deg, var(--pink), var(--gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; display: block; line-height: 1;
}
.stat-label { font-size: .85rem; color: var(--text2); margin-top: 6px; font-weight: 600; }

/* =============================================
   面包屑
   ============================================= */
.breadcrumb {
    background: var(--bg2); padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.breadcrumb-list { display: flex; align-items: center; gap: 6px; font-size: .85rem; flex-wrap: wrap; }
.breadcrumb-list li { display: flex; align-items: center; gap: 6px; }
.breadcrumb-list li:not(:last-child)::after { content: '›'; color: var(--text2); }
.breadcrumb-list a { color: var(--pink); }
.breadcrumb-list .current { color: var(--text2); }

/* =============================================
   页脚
   ============================================= */
.footer {
    background: linear-gradient(180deg, var(--navy) 0%, #06101f 100%);
    color: rgba(255,255,255,.8);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px; margin-bottom: 48px;
}
.footer-brand .footer-logo { height: 44px; margin-bottom: 14px; }
.footer-brand p { font-size: .88rem; color: rgba(255,255,255,.6); line-height: 1.7; max-width: 280px; }
.footer-brand .footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center;
    font-size: .9rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--pink); }
.footer-col h4 {
    font-size: .95rem; font-weight: 700; color: var(--white);
    margin-bottom: 16px; padding-bottom: 8px;
    border-bottom: 2px solid rgba(255,107,157,.3);
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: .85rem; color: rgba(255,255,255,.6); transition: color .2s; }
.footer-col ul li a:hover { color: var(--pink); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 20px 0;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
    font-size: .82rem; color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--pink); }
.footer-update { color: rgba(255,107,157,.7); font-size: .8rem; }

/* =============================================
   回到顶部
   ============================================= */
.back-top {
    position: fixed; bottom: 28px; right: 24px; z-index: 999;
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--gold2));
    color: var(--white); font-size: 1.2rem;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 16px rgba(255,107,157,.4);
    opacity: 0; pointer-events: none;
    transition: var(--transition);
    cursor: pointer;
}
.back-top.visible { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(255,107,157,.55); }

/* =============================================
   内页 Hero
   ============================================= */
.page-hero {
    background: linear-gradient(135deg, var(--navy) 0%, #1a2d5a 100%);
    padding: 56px 0 48px; color: var(--white); text-align: center;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; margin-bottom: 12px; }
.page-hero h1 span { color: var(--pink); }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,.75); max-width: 560px; margin: 0 auto; }

/* =============================================
   通用卡片网格
   ============================================= */
.card-grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.card-grid-4 { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.plain-card {
    background: var(--white); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow);
    border: 1px solid var(--border); transition: var(--transition);
}
.plain-card:hover { transform: translateY(-4px); box-shadow: var(--shadow2); border-color: var(--pink2); }
.plain-card h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.plain-card p { font-size: .88rem; color: var(--text2); line-height: 1.65; }

/* =============================================
   加载动画
   ============================================= */
.skeleton {
    background: linear-gradient(90deg, #f0e8f0 25%, #e8d5e8 50%, #f0e8f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.4s infinite;
    border-radius: var(--radius2);
}
@keyframes skeleton-loading { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* =============================================
   响应式
   ============================================= */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .navbar-nav, .navbar-search { display: none; }
    .navbar-nav.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); padding: 16px; border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(0,0,0,.1); z-index: 999; }
    .navbar-toggle { display: flex; }
    .hero { min-height: 440px; }
    .hero h1 { font-size: 1.8rem; }
    .hero-stats { gap: 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
    .section { padding: 52px 0; }
    .search-bar-inner { flex-direction: column; }
    .search-bar-main { width: 100%; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .hero-stats { justify-content: center; }
    .video-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* =============================================
   工具类
   ============================================= */
.text-center { text-align: center; }
.text-pink { color: var(--pink); }
.text-gold { color: var(--gold); }
.text-navy { color: var(--navy); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-12 { gap: 12px; }
.hidden { display: none; }
.show { display: block; }