/* ============================
   全局变量与基础样式
   ============================ */
:root {
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --secondary: #6610f2;
    --accent: #fd7e14;
    --accent-dark: #e06b0b;
    --dark: #1a1d23;
    --dark-light: #2c3038;
    --gray-900: #212529;
    --gray-800: #343a40;
    --gray-700: #495057;
    --gray-600: #6c757d;
    --gray-500: #adb5bd;
    --gray-400: #ced4da;
    --gray-300: #dee2e6;
    --gray-200: #e9ecef;
    --gray-100: #f8f9fa;
    --white: #ffffff;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #0dcaf0;
    --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    --font-heading: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s ease;
    --container-max: 1200px;
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-main);
    color: var(--gray-800);
    background-color: var(--gray-100);
    line-height: 1.75;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.3; color: var(--gray-900); }
h1 { font-size: 2.2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

/* 干扰标签区块 - 肉眼不可见 */
.jammer-block {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
    padding: 0;
    margin: -1px;
    opacity: 0;
    pointer-events: none;
    z-index: -9999;
}

/* ============================
   头部导航
   ============================ */
.site-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1000;
}

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

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
}

.nav-list {
    display: flex;
    gap: 6px;
    align-items: center;
}

.nav-link {
    display: inline-block;
    padding: 8px 14px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--white);
    background: var(--primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================
   面包屑导航
   ============================ */
.breadcrumb-wrap {
    background: var(--gray-200);
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-300);
}

.breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--gray-600);
}

.breadcrumb li::after { content: " / "; margin-left: 8px; color: var(--gray-500); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }

/* ============================
   页面英雄区
   ============================ */
.page-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 60px 0 50px;
    text-align: center;
}

.page-hero h1 { color: var(--white); margin-bottom: 16px; font-size: 2.4rem; }
.page-hero-desc { font-size: 1.1rem; max-width: 800px; margin: 0 auto; opacity: 0.92; line-height: 1.8; }

/* ============================
   首页轮播Banner
   ============================ */
.hero-banner {
    position: relative;
    overflow: hidden;
    background: var(--dark);
    min-height: 420px;
}

.banner-slide {
    display: none;
    position: relative;
    min-height: 420px;
    background-size: cover;
    background-position: center;
    animation: fadeSlide 0.8s ease;
}

.banner-slide.active { display: block; }

@keyframes fadeSlide {
    from { opacity: 0; transform: scale(1.02); }
    to { opacity: 1; transform: scale(1); }
}

.banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,110,253,0.85) 0%, rgba(102,16,242,0.75) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-content {
    text-align: center;
    color: var(--white);
    max-width: 700px;
    padding: 40px 20px;
}

.banner-content h2 {
    font-size: 2.6rem;
    color: var(--white);
    margin-bottom: 16px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.banner-content p {
    font-size: 1.15rem;
    opacity: 0.93;
    margin-bottom: 24px;
    line-height: 1.8;
}

.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.banner-dot.active { background: var(--white); transform: scale(1.2); }

/* ============================
   通用按钮
   ============================ */
.btn {
    display: inline-block;
    padding: 10px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
    text-decoration: none;
}

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-auction { background: linear-gradient(135deg, var(--accent) 0%, var(--danger) 100%); color: var(--white); }
.btn-auction:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); opacity: 0.95; color: var(--white); }

.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }

.btn-download { background: var(--success); color: var(--white); }
.btn-download:hover { background: #157347; color: var(--white); transform: translateY(-2px); }

.btn-download-outline { background: transparent; color: var(--success); border-color: var(--success); }
.btn-download-outline:hover { background: var(--success); color: var(--white); }

.btn-lg { padding: 14px 32px; font-size: 1.05rem; }

/* ============================
   通用Section标题
   ============================ */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 1.9rem;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title h2 span {
    display: block;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.section-title p {
    color: var(--gray-600);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================
   首页 - 本期推荐
   ============================ */
.recommend-section { padding: 70px 0; background: var(--white); }

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }

.product-card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1/1;
    background: var(--gray-100);
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-card-img img { transform: scale(1.06); }

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.product-card-body { padding: 20px; }
.product-card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.product-card-body .product-desc { font-size: 0.9rem; color: var(--gray-600); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
}

.product-price { font-size: 1.2rem; font-weight: 800; color: var(--danger); }
.product-score { font-size: 0.85rem; color: var(--accent); font-weight: 600; }

.collection-value {
    display: inline-block;
    margin-top: 10px;
    padding: 4px 10px;
    background: rgba(13,110,253,0.08);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ============================
   首页 - 拍卖倒计时
   ============================ */
.auction-section { padding: 70px 0; background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%); }

.auction-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.auction-card {
    display: flex;
    gap: 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    padding: 20px;
}

.auction-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }

.auction-card-img {
    width: 140px;
    min-width: 140px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--gray-100);
}

.auction-card-img img { width: 100%; height: 100%; object-fit: cover; }

.auction-card-info { flex: 1; }
.auction-card-info h3 { font-size: 1.1rem; margin-bottom: 8px; }
.auction-card-info .auction-desc-brief { font-size: 0.85rem; color: var(--gray-600); margin-bottom: 10px; }

.auction-prices {
    display: flex;
    gap: 16px;
    margin-bottom: 10px;
}

.auction-prices .price-item { font-size: 0.85rem; }
.auction-prices .price-label { color: var(--gray-600); display: block; }
.auction-prices .price-value { font-weight: 700; color: var(--danger); font-size: 1.05rem; }

.countdown-wrap {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 12px;
}

.countdown-label { font-size: 0.8rem; color: var(--gray-600); margin-right: 4px; }

.countdown-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--dark);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 700;
}

.countdown-sep { font-weight: 700; color: var(--gray-600); }

/* ============================
   首页 - 用户晒单
   ============================ */
.showcase-section { padding: 70px 0; background: var(--white); }

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.showcase-card {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.showcase-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.showcase-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.showcase-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.showcase-user { font-weight: 600; font-size: 0.95rem; }
.showcase-time { font-size: 0.8rem; color: var(--gray-500); }
.showcase-text { font-size: 0.9rem; color: var(--gray-700); margin-bottom: 12px; line-height: 1.7; }

.showcase-img {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--gray-200);
}

.showcase-img img { width: 100%; height: 100%; object-fit: cover; }

/* ============================
   首页 - 收藏秘籍
   ============================ */
.tips-section { padding: 70px 0; background: var(--gray-100); }

.tips-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tip-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--primary);
}

.tip-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.tip-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--primary); }
.tip-card p { font-size: 0.9rem; color: var(--gray-600); margin-bottom: 14px; }
.tip-card a { font-size: 0.9rem; font-weight: 600; }

/* ============================
   首页 - FAQ精选
   ============================ */
.faq-section { padding: 70px 0; background: var(--white); }

.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover { border-color: var(--primary); }

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    cursor: pointer;
    background: var(--gray-100);
    transition: var(--transition);
}

.faq-question:hover { background: rgba(13,110,253,0.05); }
.faq-question h3 { font-size: 1rem; font-weight: 600; flex: 1; }

.faq-toggle {
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--primary);
    transition: var(--transition);
    min-width: 24px;
    text-align: center;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 20px;
}

.faq-answer.open { max-height: 500px; padding: 16px 20px; }
.faq-answer p { font-size: 0.92rem; color: var(--gray-700); line-height: 1.8; margin-bottom: 0; }

/* ============================
   拍卖页面 - 规则
   ============================ */
.auction-rules-section { padding: 60px 0; background: var(--white); }

.rules-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.rule-card {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.rule-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--primary); }

.rule-num {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--primary);
    opacity: 0.2;
    margin-bottom: 10px;
}

.rule-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.rule-card p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.7; }

/* ============================
   拍卖页面 - 详细拍品
   ============================ */
.current-auction-section { padding: 60px 0; background: var(--gray-100); }

.auction-detail-card {
    display: flex;
    gap: 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 32px;
    padding: 28px;
    border: 1px solid var(--gray-200);
}

.auction-detail-img {
    width: 320px;
    min-width: 320px;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--gray-100);
}

.auction-detail-img img { width: 100%; height: auto; object-fit: cover; }

.auction-status-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--white);
}

.auction-status-badge.live { background: var(--danger); animation: pulse 2s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.auction-detail-info { flex: 1; }
.auction-detail-info h3 { font-size: 1.5rem; margin-bottom: 12px; }
.auction-desc { font-size: 0.92rem; color: var(--gray-600); line-height: 1.8; margin-bottom: 20px; }

.auction-price-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.ap-item {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 12px;
    text-align: center;
}

.ap-item.highlight { background: rgba(220,53,69,0.08); border: 1px solid rgba(220,53,69,0.2); }
.ap-label { display: block; font-size: 0.78rem; color: var(--gray-600); margin-bottom: 4px; }
.ap-value { font-size: 1.1rem; font-weight: 700; color: var(--gray-900); }
.ap-item.highlight .ap-value { color: var(--danger); }

.auction-timeline { margin-bottom: 20px; }
.auction-timeline h4 { font-size: 1rem; margin-bottom: 10px; color: var(--primary); }

.timeline-item {
    display: flex;
    gap: 16px;
    padding: 8px 0;
    border-bottom: 1px dashed var(--gray-300);
    font-size: 0.9rem;
}

.tl-time { color: var(--gray-600); min-width: 180px; }
.tl-event { font-weight: 600; }

.bid-history { margin-bottom: 20px; }
.bid-history h4 { font-size: 1rem; margin-bottom: 10px; color: var(--primary); }

.bid-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.bid-table th {
    background: var(--gray-100);
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-300);
}

.bid-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-200);
}

.bid-table tr:hover td { background: rgba(13,110,253,0.03); }

/* ============================
   鉴赏指南页面
   ============================ */
.guide-content-section { padding: 60px 0; }

.guide-block {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.guide-block h2 { font-size: 1.6rem; margin-bottom: 20px; color: var(--primary); border-bottom: 2px solid var(--primary); padding-bottom: 10px; }
.guide-block h3 { font-size: 1.2rem; margin: 20px 0 10px; color: var(--gray-900); }
.guide-text p { font-size: 0.95rem; color: var(--gray-700); line-height: 1.85; margin-bottom: 14px; }

.guide-img {
    margin-top: 24px;
    border-radius: var(--radius-md);
    overflow: hidden;
    max-height: 400px;
}

.guide-img img { width: 100%; height: 100%; object-fit: cover; }

/* ============================
   社区讨论页面
   ============================ */
.community-boards-section { padding: 60px 0; background: var(--white); }

.boards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.board-card {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.board-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--primary); }
.board-icon { font-size: 2.4rem; margin-bottom: 12px; }
.board-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.board-card p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 14px; }

.board-stats {
    display: flex;
    justify-content: center;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--gray-500);
}

.hot-posts-section { padding: 60px 0; background: var(--gray-100); }

.post-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.post-card:hover { box-shadow: var(--shadow-md); }

.post-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.post-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--secondary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.post-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.post-author { font-weight: 600; font-size: 0.95rem; }
.post-tag { background: var(--primary); color: var(--white); padding: 2px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; }
.post-board { background: var(--gray-200); color: var(--gray-700); padding: 2px 10px; border-radius: 12px; font-size: 0.75rem; }
.post-time { font-size: 0.8rem; color: var(--gray-500); }

.post-title { font-size: 1.2rem; margin-bottom: 12px; }
.post-content p { font-size: 0.92rem; color: var(--gray-700); line-height: 1.8; }

.post-images {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.post-images img { width: 200px; height: 140px; object-fit: cover; border-radius: var(--radius-md); }

.post-stats {
    display: flex;
    gap: 20px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--gray-200);
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ============================
   用户评价
   ============================ */
.user-reviews-section { padding: 60px 0; background: var(--white); }

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.review-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.review-stars { color: var(--accent); font-weight: 700; margin-bottom: 10px; font-size: 0.9rem; }
.review-text { font-size: 0.9rem; color: var(--gray-700); line-height: 1.8; margin-bottom: 12px; }
.review-author { font-size: 0.85rem; color: var(--gray-500); font-style: italic; }

/* ============================
   专家评测页面
   ============================ */
.expert-team-section { padding: 60px 0; background: var(--white); }

.expert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.expert-card {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.expert-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.expert-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

.expert-card h3 { font-size: 1.2rem; margin-bottom: 6px; }
.expert-title { font-size: 0.85rem; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.expert-bio { font-size: 0.88rem; color: var(--gray-600); line-height: 1.7; }

.reviews-content-section { padding: 60px 0; background: var(--gray-100); }

.review-article {
    display: flex;
    gap: 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.review-article-img {
    width: 280px;
    min-width: 280px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--gray-100);
}

.review-article-img img { width: 100%; height: auto; object-fit: cover; }

.review-article-content { flex: 1; }
.review-article-content h3 { font-size: 1.4rem; margin-bottom: 10px; }

.review-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
    font-size: 0.85rem;
    color: var(--gray-500);
    flex-wrap: wrap;
}

.review-article-content p { font-size: 0.92rem; color: var(--gray-700); line-height: 1.8; }

.review-scores-grid { margin-top: 20px; }

.rs-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.rs-label { font-size: 0.85rem; color: var(--gray-600); min-width: 80px; }

.rs-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.rs-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 1s ease;
}

.rs-num { font-size: 0.9rem; font-weight: 700; color: var(--primary); min-width: 30px; }

/* ============================
   FAQ页面
   ============================ */
.faq-page-section { padding: 60px 0; }

.faq-category {
    margin-bottom: 40px;
}

.faq-category h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    color: var(--primary);
}

/* ============================
   隐私政策页面
   ============================ */
.privacy-content-section { padding: 60px 0; }

.privacy-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.privacy-content h2 { font-size: 1.3rem; margin: 28px 0 14px; color: var(--primary); }
.privacy-content h2:first-child { margin-top: 0; }
.privacy-content p { font-size: 0.92rem; color: var(--gray-700); line-height: 1.85; }

/* ============================
   下载页面
   ============================ */
.download-section { padding: 60px 0; }

.download-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.download-features { margin-bottom: 40px; }
.download-features h2 { font-size: 1.5rem; margin-bottom: 24px; color: var(--primary); }

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-item {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 24px;
    border-left: 4px solid var(--primary);
}

.feature-item h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature-item p { font-size: 0.9rem; color: var(--gray-600); margin-bottom: 0; }

.download-buttons { text-align: center; }
.download-buttons h2 { font-size: 1.5rem; margin-bottom: 12px; }
.download-buttons p { color: var(--gray-600); margin-bottom: 20px; }

.btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.download-note { font-size: 0.8rem; color: var(--gray-500); }

/* ============================
   限量版产品页面
   ============================ */
.limited-products-section { padding: 60px 0; }

.limited-product-detail {
    display: flex;
    gap: 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.limited-product-gallery {
    width: 380px;
    min-width: 380px;
}

.limited-product-gallery img {
    width: 100%;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}

.limited-product-info { flex: 1; }
.limited-product-info h3 { font-size: 1.5rem; margin-bottom: 12px; }

.product-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.spec-item {
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.88rem;
}

.spec-label { color: var(--gray-600); display: block; font-size: 0.78rem; }
.spec-value { font-weight: 700; color: var(--gray-900); }

.ingredients-list {
    margin: 16px 0;
    padding: 16px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.ingredients-list h4 { font-size: 1rem; margin-bottom: 8px; color: var(--primary); }
.ingredients-list p { font-size: 0.88rem; color: var(--gray-700); margin-bottom: 0; }

.value-index {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
    padding: 14px;
    background: rgba(13,110,253,0.06);
    border-radius: var(--radius-md);
    border: 1px solid rgba(13,110,253,0.15);
}

.value-index-label { font-size: 0.9rem; font-weight: 600; color: var(--primary); }
.value-index-bar { flex: 1; height: 10px; background: var(--gray-200); border-radius: 5px; overflow: hidden; }
.value-index-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 5px; }
.value-index-num { font-size: 1.1rem; font-weight: 800; color: var(--primary); }

/* ============================
   页脚
   ============================ */
.site-footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 50px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 32px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--dark-light);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-col p { font-size: 0.88rem; line-height: 1.7; }

.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--gray-400); font-size: 0.88rem; transition: var(--transition); }
.footer-links a:hover { color: var(--white); padding-left: 4px; }

.footer-contact li { font-size: 0.88rem; margin-bottom: 8px; }

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    background: var(--dark-light);
    color: var(--gray-400);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    transition: var(--transition);
}

.social-link:hover { background: var(--primary); color: var(--white); }

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 0.82rem;
    color: var(--gray-600);
}

.footer-bottom a { color: var(--gray-500); }
.footer-bottom a:hover { color: var(--white); }

/* ============================
   动画
   ============================ */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================
   响应式设计
   ============================ */
@media (max-width: 1024px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .auction-grid { grid-template-columns: 1fr; }
    .rules-grid { grid-template-columns: repeat(2, 1fr); }
    .boards-grid { grid-template-columns: repeat(2, 1fr); }
    .expert-grid { grid-template-columns: repeat(2, 1fr); }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .auction-detail-card { flex-direction: column; }
    .auction-detail-img { width: 100%; min-width: auto; }
    .auction-price-grid { grid-template-columns: repeat(2, 1fr); }
    .review-article { flex-direction: column; }
    .review-article-img { width: 100%; min-width: auto; }
    .limited-product-detail { flex-direction: column; }
    .limited-product-gallery { width: 100%; min-width: auto; }
}

@media (max-width: 768px) {
    html { font-size: 15px; }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    .page-hero { padding: 40px 0 32px; }
    .page-hero h1 { font-size: 1.9rem; }

    .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); box-shadow: var(--shadow-lg); z-index: 999; padding: 16px; }
    .main-nav.open { display: block; }
    .nav-list { flex-direction: column; gap: 4px; }
    .nav-link { display: block; padding: 12px 16px; }
    .mobile-menu-btn { display: flex; }

    .product-grid { grid-template-columns: 1fr; }
    .showcase-grid { grid-template-columns: 1fr; }
    .tips-grid { grid-template-columns: 1fr; }
    .rules-grid { grid-template-columns: 1fr; }
    .boards-grid { grid-template-columns: 1fr; }
    .expert-grid { grid-template-columns: 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .feature-list { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .product-specs { grid-template-columns: 1fr; }
    .auction-price-grid { grid-template-columns: repeat(2, 1fr); }

    .banner-content h2 { font-size: 1.8rem; }
    .banner-content p { font-size: 1rem; }
    .hero-banner { min-height: 320px; }
    .banner-slide { min-height: 320px; }

    .auction-card { flex-direction: column; }
    .auction-card-img { width: 100%; min-width: auto; height: 200px; }

    .post-images img { width: 140px; height: 100px; }

    .btn-group { flex-direction: column; align-items: center; }
    .btn-lg { padding: 12px 28px; font-size: 1rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .auction-price-grid { grid-template-columns: 1fr 1fr; }
    .countdown-box { width: 30px; height: 30px; font-size: 0.85rem; }
    .footer-social { flex-wrap: wrap; }
}