/* ========== 全局变量 ========== */
:root {
    --primary: #8B1A1A;
    --primary-dark: #6B0F0F;
    --primary-light: #B22222;
    --accent: #D4AF37;
    --text: #333333;
    --text-light: #666666;
    --bg: #FAFAFA;
    --white: #FFFFFF;
    --border: #E5E5E5;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    font-size: 15px;
}
a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
table { border-collapse: collapse; width: 100%; }

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

/* ========== 顶部导航 ========== */
.site-header {
    background: var(--white);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-main { background: var(--white); }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 16px;
}
.logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-img { width: 36px; height: 36px; border-radius: 6px; }
.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
}

/* 主导航 */
.main-nav ul { display: flex; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
    display: block;
    padding: 10px 18px;
    color: var(--text);
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active {
    color: var(--primary);
    background: rgba(139,26,26,0.06);
}

/* 子菜单：横向排列 */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    display: flex;
    flex-direction: row;
    gap: 4px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s;
    padding: 6px;
    z-index: 100;
}
.has-sub:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.sub-menu li a {
    display: block;
    padding: 8px 18px;
    color: var(--text);
    font-size: 14px;
    white-space: nowrap;
    border-radius: 5px;
}
.sub-menu li a:hover { color: var(--primary); background: rgba(139,26,26,0.06); }

/* 右侧按钮 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.btn {
    display: inline-block;
    padding: 9px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.25s;
    white-space: nowrap;
    text-align: center;
    cursor: pointer;
    border: none;
}
.btn-open {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff !important;
}
.btn-open:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139,26,26,0.35);
}
.btn-admin {
    background: transparent;
    color: var(--primary) !important;
    border: 1.5px solid var(--primary);
}
.btn-admin:hover { background: var(--primary); color: #fff !important; }

/* ========== QQ栏 ========== */
.qq-bar {
    background: linear-gradient(90deg, #FFF8F8 0%, #FFF0F0 50%, #FFF8F8 100%);
    border-top: 1px solid #F5DADA;
    border-bottom: 1px solid #F5DADA;
    padding: 7px 0;
    animation: qqPulse 3s infinite;
}
@keyframes qqPulse {
    0%, 100% { background: linear-gradient(90deg, #FFF8F8 0%, #FFF0F0 50%, #FFF8F8 100%); }
    50% { background: linear-gradient(90deg, #FFF0F0 0%, #FFE8E8 50%, #FFF0F0 100%); }
}
.qq-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.qq-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #555;
}
.qq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    flex-shrink: 0;
}
.qq-label { color: #555; }
.qq-num {
    color: var(--primary);
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    padding: 2px 10px;
    border-radius: 4px;
    background: rgba(139,26,26,0.08);
    transition: all 0.2s;
    user-select: none;
}
.qq-num:hover { background: rgba(139,26,26,0.18); }
.copy-badge {
    font-size: 11px;
    color: #fff;
    background: var(--primary);
    padding: 2px 8px;
    border-radius: 10px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}
.copy-badge:hover { background: var(--primary-dark); }
.qq-tip {
    font-size: 12px;
    color: #999;
}

/* ========== Toast ========== */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(0,0,0,0.85);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s;
    max-width: 80vw;
    text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ========== 手机端菜单 ========== */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--primary);
    border-radius: 2px;
}
.mobile-qq {
    display: none;
    align-items: center;
    gap: 4px;
    background: rgba(139,26,26,0.08);
    color: var(--primary);
    border: none;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

/* ========== 页面主体 ========== */
.page-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), #A03030);
    color: #fff;
    padding: 60px 0;
    text-align: center;
}
.page-hero h1 { font-size: 32px; margin-bottom: 10px; font-weight: 700; }
.page-hero p { font-size: 16px; opacity: 0.9; }

.section { padding: 60px 0; }
.section-gray { background: #F7F3F3; }
.section-title {
    text-align: center;
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}
.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--accent);
    margin: 12px auto 0;
    border-radius: 2px;
}
.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
    font-size: 15px;
}

/* 内容块 */
.content-block {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    line-height: 1.9;
}
.content-block p { margin-bottom: 16px; color: var(--text-light); }
.content-block h3 {
    font-size: 19px;
    color: var(--primary-dark);
    margin: 24px 0 12px;
    padding-left: 12px;
    border-left: 4px solid var(--primary);
}
.content-block ul { padding-left: 20px; margin-bottom: 16px; }
.content-block li { margin-bottom: 8px; color: var(--text-light); }

/* 统计数字 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 28px;
}
.stat-item {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #FFF8F8, #FFF0F0);
    border-radius: var(--radius);
    border: 1px solid #F5DADA;
}
.stat-num {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}
.stat-label { font-size: 13px; color: #888; margin-top: 4px; }

/* 特色卡片 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.feature-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 24px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 3px solid var(--primary);
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(139,26,26,0.15);
}
.feature-card .icon {
    width: 52px; height: 52px;
    background: rgba(139,26,26,0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
    color: var(--primary);
}
.feature-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--primary-dark); }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* ========== 世界地图 ========== */
.world-map-visual {
    position: relative;
    height: 320px;
    background: linear-gradient(135deg, #F5F0EB, #EDE5DC);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 32px;
    box-shadow: inset 0 0 60px rgba(139,26,26,0.05);
}
.world-map-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(139,26,26,0.1) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.6;
}
.map-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 3px rgba(139,26,26,0.2);
    z-index: 2;
}
.map-dot .pulse {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: rgba(139,26,26,0.25);
    animation: pulse 2.2s infinite;
}
@keyframes pulse {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2.2); opacity: 0; }
}
.map-dot .map-label {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 6px;
    font-size: 12px;
    color: var(--primary-dark);
    font-weight: 600;
    white-space: nowrap;
    background: rgba(255,255,255,0.92);
    padding: 2px 7px;
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

/* 办公室卡片 */
.office-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}
.office-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
    transition: transform 0.25s;
}
.office-card:hover { transform: translateY(-3px); }
.office-card h3 {
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.office-card .office-addr {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 8px;
}
.office-card .office-meta {
    font-size: 12px;
    color: #999;
    padding-top: 8px;
    border-top: 1px dashed var(--border);
}

/* ========== 奖项 ========== */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 22px;
}
.award-card {
    background: linear-gradient(160deg, #fff 0%, #FFF8F5 100%);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid #F5E5D5;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}
.award-card::before {
    content: '';
    position: absolute;
    top: -30px; right: -30px;
    width: 100px; height: 100px;
    background: radial-gradient(circle, rgba(212,175,55,0.15), transparent 70%);
    border-radius: 50%;
}
.award-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139,26,26,0.15);
}
.award-medal {
    font-size: 40px;
    margin-bottom: 12px;
    filter: drop-shadow(0 4px 8px rgba(212,175,55,0.3));
}
.award-card h3 {
    font-size: 15px;
    color: var(--primary-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}
.award-card .award-org {
    font-size: 12px;
    color: #999;
    margin-bottom: 6px;
}
.award-card .award-year {
    display: inline-block;
    font-size: 11px;
    background: var(--accent);
    color: #fff;
    padding: 2px 10px;
    border-radius: 10px;
    font-weight: 600;
}

/* ========== 账户类型 ========== */
.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.account-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}
.account-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(139,26,26,0.18);
}
.account-card.recommend { border: 2px solid var(--primary); }
.account-card.recommend::after {
    content: '推荐';
    position: absolute;
    top: 12px; right: -28px;
    background: var(--accent);
    color: #fff;
    padding: 3px 32px;
    font-size: 12px;
    font-weight: 700;
    transform: rotate(45deg);
    z-index: 3;
}
.account-head {
    padding: 26px 20px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
}
.account-head h3 { font-size: 20px; margin-bottom: 6px; }
.account-head p { font-size: 13px; opacity: 0.9; }
.account-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.account-body ul { margin-bottom: 20px; flex: 1; }
.account-body li {
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 1px dashed var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.account-body li span:first-child { color: #888; }
.account-body li span:last-child { font-weight: 700; color: var(--primary-dark); }
.btn-account {
    display: block;
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: #fff !important;
    text-align: center;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.25s;
}
.btn-account:hover { background: var(--primary-dark); }

/* ========== 交易软件卡片 ========== */
.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}
.software-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}
.software-card:hover { transform: translateY(-4px); }
.software-card .card-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    padding: 28px;
    text-align: center;
}
.software-card .card-header h3 { font-size: 22px; margin-bottom: 6px; }
.software-card .card-header p { font-size: 13px; opacity: 0.9; }
.software-card .card-body { padding: 28px; }
.software-card .card-body ul { margin-bottom: 20px; }
.software-card .card-body li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}
.software-card .card-body li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
}
.btn-download {
    display: block;
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: #fff !important;
    text-align: center;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.25s;
}
.btn-download:hover { background: var(--primary-dark); }

/* ========== 对比表 ========== */
.compare-table-wrap {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    overflow-x: auto;
}
.compare-table { min-width: 560px; }
.compare-table th, .compare-table td {
    padding: 14px 18px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
}
.compare-table thead th {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-weight: 600;
    font-size: 15px;
}
.compare-table tbody tr:hover td { background: #FFF8F8; }
.compare-table td:first-child { color: #888; font-weight: 600; width: 30%; }
.compare-table .check { color: #28a745; font-weight: 700; }
.compare-table .cross { color: #dc3545; }

/* ========== FAQ ========== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: box-shadow 0.2s;
}
.faq-item[open] { box-shadow: 0 6px 20px rgba(139,26,26,0.12); }
.faq-item summary {
    padding: 18px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    color: var(--primary-dark);
    list-style: none;
    position: relative;
    padding-right: 50px;
    user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 22px;
    color: var(--primary);
    font-weight: 300;
    transition: transform 0.25s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item .faq-content {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.9;
    border-top: 1px solid #f5f5f5;
    padding-top: 16px;
    margin: 0 24px 16px;
    padding-left: 0;
    padding-right: 0;
}

/* ========== 文章列表 ========== */
.article-list { display: grid; gap: 20px; }
.article-item {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 20px;
    transition: transform 0.2s;
}
.article-item:hover { transform: translateY(-2px); }
.article-item .thumb {
    width: 200px;
    height: 130px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}
.article-item .info { flex: 1; min-width: 0; }
.article-item .info h2 { font-size: 17px; margin-bottom: 10px; line-height: 1.5; }
.article-item .info h2 a { color: var(--text); }
.article-item .info h2 a:hover { color: var(--primary); }
.article-item .info .desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}
.article-item .meta { font-size: 12px; color: #999; display: flex; gap: 16px; }

/* 热门文章 */
.hot-section {
    background: linear-gradient(135deg, #FFF8F8, #FFF0F0);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 36px;
    border: 1px solid #F5DADA;
}
.hot-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(139,26,26,0.1);
}
.hot-title .fire { font-size: 22px; }
.hot-list { display: grid; gap: 10px; }
.hot-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: #fff;
    border-radius: 6px;
    transition: all 0.2s;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.hot-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(139,26,26,0.12);
}
.hot-rank {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ddd;
    color: #fff;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
}
.hot-rank.top1 { background: linear-gradient(135deg, #E74C3C, #C0392B); }
.hot-rank.top2 { background: linear-gradient(135deg, #E67E22, #D35400); }
.hot-rank.top3 { background: linear-gradient(135deg, #F1C40F, #D4AF37); }
.hot-item .hot-title-text {
    flex: 1;
    font-size: 14px;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.hot-item .hot-title-text a { color: var(--text); }
.hot-item .hot-title-text a:hover { color: var(--primary); }
.hot-item .hot-views {
    flex-shrink: 0;
    font-size: 12px;
    color: #999;
}

/* ========== 时间轴 ========== */
.timeline {
    position: relative;
    padding-left: 40px;
    max-width: 800px;
    margin: 0 auto;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), #F5DADA);
}
.timeline-item {
    position: relative;
    padding-bottom: 28px;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 5px;
    width: 14px;
    height: 14px;
    background: #fff;
    border: 3px solid var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(139,26,26,0.1);
}
.timeline-year {
    display: inline-block;
    font-size: 15px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
    background: rgba(139,26,26,0.06);
    padding: 2px 12px;
    border-radius: 12px;
}
.timeline-content {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ========== 步骤 ========== */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    counter-reset: step;
}
.step-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 22px;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    transition: transform 0.25s;
}
.step-item:hover { transform: translateY(-4px); }
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 14px;
    box-shadow: 0 6px 16px rgba(139,26,26,0.3);
}
.step-item h3 { font-size: 16px; color: var(--primary-dark); margin-bottom: 8px; }
.step-item p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ========== 联系我们 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.contact-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.25s;
}
.contact-card:hover { transform: translateY(-4px); }
.contact-card .icon {
    width: 56px; height: 56px;
    background: rgba(139,26,26,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 24px;
    color: var(--primary);
}
.contact-card h3 { font-size: 16px; margin-bottom: 8px; color: var(--primary-dark); }
.contact-card p { font-size: 14px; color: var(--text-light); }
.contact-card .copy-link {
    display: inline-block;
    margin-top: 8px;
    font-size: 12px;
    color: var(--primary);
    cursor: pointer;
    border-bottom: 1px dashed var(--primary);
}

/* 客服团队 */
.service-team {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
}
.service-card {
    background: linear-gradient(160deg, #fff 0%, #FFF8F5 100%);
    border-radius: var(--radius);
    padding: 28px 22px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid #F5E5D5;
}
.service-card .avatar {
    width: 68px; height: 68px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin: 0 auto 14px;
    box-shadow: 0 8px 20px rgba(139,26,26,0.25);
}
.service-card h3 { font-size: 16px; color: var(--primary-dark); margin-bottom: 6px; }
.service-card .role {
    display: inline-block;
    font-size: 12px;
    color: #fff;
    background: var(--accent);
    padding: 2px 10px;
    border-radius: 10px;
    margin-bottom: 12px;
    font-weight: 600;
}
.service-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ========== 文章详情 ========== */
.article-content {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    line-height: 1.9;
    font-size: 15px;
    color: var(--text);
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    white-space: pre-line;
}
.article-content img { border-radius: 6px; margin: 16px 0; }
.article-content p { margin-bottom: 16px; }

/* ========== 底部 ========== */
.site-footer {
    background: #1A1A1A;
    color: #bbb;
    padding: 50px 0 0;
}
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 30px; height: 2px;
    background: var(--primary-light);
}
.footer-col p { font-size: 13px; line-height: 1.8; color: #999; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: #999; font-size: 13px; }
.footer-col ul a:hover { color: var(--primary-light); }
.footer-bottom {
    border-top: 1px solid #2A2A2A;
    padding: 20px 0;
    text-align: center;
    font-size: 12px;
    color: #666;
}
.footer-bottom a { color: #888; margin: 0 4px; }
.footer-bottom a:hover { color: var(--primary-light); }

/* ========== 手机端底部固定栏 ========== */
.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0; left: 0;
    width: 100vw;
    z-index: 1000;
    background: var(--white);
    border-top: 1px solid var(--border);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.08);
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.mobile-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 0;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s;
}
.mobile-btn-open { background: var(--primary); color: #fff !important; }
.mobile-btn-open:active { background: var(--primary-dark); }
.mobile-btn-admin { background: var(--white); color: var(--primary) !important; }
.mobile-btn-admin:active { background: #f5f5f5; }

/* ========== 响应式 ========== */
@media (max-width: 900px) {
    .main-nav > ul > li > a { padding: 10px 12px; font-size: 14px; }
}

@media (max-width: 768px) {
    body { padding-bottom: 56px; }

    .mobile-bottom-bar { display: flex; }

    .menu-toggle { display: flex; }

    .mobile-qq {
        display: inline-flex;
        margin-left: auto;
        margin-right: 8px;
    }

    .logo { margin-right: auto; }

    .main-nav {
        position: fixed;
        top: 0; left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
        padding-top: 0;
        z-index: 999;
    }
    .main-nav.open { max-height: 600px; padding-top: 70px; }
    .main-nav ul { flex-direction: column; padding: 10px 0; }
    .main-nav > ul > li > a { padding: 14px 24px; border-radius: 0; }

    /* 移动端：子菜单改回纵向 */
    .sub-menu {
        position: static;
        display: flex;
        flex-direction: column;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0 0 6px 20px;
        background: transparent;
    }
    .sub-menu li a { padding: 10px 20px; color: #777; font-size: 13px; }

    .header-actions { display: none; }

    /* QQ栏在移动端隐藏（logo旁边已有QQ按钮） */
    .qq-bar { display: none; }

    .page-hero { padding: 40px 0; }
    .page-hero h1 { font-size: 24px; }

    .section { padding: 40px 0; }
    .section-title { font-size: 22px; }

    .article-item { flex-direction: column; }
    .article-item .thumb { width: 100%; height: 180px; }

    .article-content { padding: 24px; }

    .footer-inner { grid-template-columns: 1fr; gap: 28px; }

    .content-block { padding: 24px; }

    .world-map-visual { height: 240px; }
    .map-dot .map-label { font-size: 11px; }

    .hot-item .hot-views { display: none; }

    .qq-tip { display: none; }
}

@media (max-width: 480px) {
    .header-inner { height: 60px; }
    .logo-text { font-size: 16px; }
    .logo-img { width: 30px; height: 30px; }
    .container { padding: 0 14px; }
    .stat-num { font-size: 26px; }
    .world-map-visual { height: 200px; }
}