/* ===== 基础重置与变量 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #FF6B8A;
    --primary-dark: #E85D7A;
    --primary-light: #FFF0F3;
    --accent: #FFB84D;
    --accent-dark: #F0A030;
    --bg: #FFF5F7;
    --bg-card: #FFFFFF;
    --text: #3D3055;
    --text-light: #7B6F8E;
    --text-muted: #A99BB5;
    --border: #F0E6EF;
    --shadow: 0 4px 20px rgba(255, 107, 138, 0.08);
    --shadow-lg: 0 8px 40px rgba(255, 107, 138, 0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== 头部 ===== */
.header {
    background: linear-gradient(135deg, var(--primary), #FF8FAA);
    color: #fff;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 16px rgba(255, 107, 138, 0.25);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 32px;
}

.site-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 3px 6px;
}

.lang-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    padding: 5px 14px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.lang-btn.active {
    background: #fff;
    color: var(--primary);
    font-weight: 700;
}

.lang-btn:hover:not(.active) {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

.lang-divider {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

/* ===== 英雄区 ===== */
.hero {
    background: linear-gradient(180deg, #FFE4EC 0%, var(--bg) 100%);
    text-align: center;
    padding: 40px 20px 32px;
}

.hero-content h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
}

.hero-content p {
    font-size: 16px;
    color: var(--text-light);
}

/* ===== 规则栏 ===== */
.rules-bar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.rules-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 14px 24px;
    flex-wrap: wrap;
}

.rule-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-light);
}

.rule-icon {
    font-size: 18px;
}

.rule-item strong {
    color: var(--primary);
}

/* ===== 工具栏 ===== */
.toolbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 64px;
    z-index: 50;
    padding: 12px 0;
}

.toolbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 360px;
}

.search-box input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: 2px solid var(--border);
    border-radius: 24px;
    font-size: 15px;
    outline: none;
    transition: var(--transition);
    background: var(--bg);
    color: var(--text);
}

.search-box input:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(255, 107, 138, 0.08);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
}

.sort-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.sort-group select {
    padding: 8px 14px;
    border: 2px solid var(--border);
    border-radius: 20px;
    font-size: 14px;
    outline: none;
    cursor: pointer;
    background: var(--bg);
    color: var(--text);
    transition: var(--transition);
}

.sort-group select:focus {
    border-color: var(--primary);
}

/* ===== 主内容区域布局 ===== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 28px 24px 60px;
    min-height: 400px;
}

.vote-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.no-result {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
    font-size: 16px;
}

/* ===== 投票卡片 ===== */
.vote-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

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

.card-avatar {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: linear-gradient(135deg, #FFE4EC, #FFF0F3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    position: relative;
}

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

.card-rank-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.rank-1 { background: linear-gradient(135deg, #FFD700, #FFA500); }
.rank-2 { background: linear-gradient(135deg, #C0C0C0, #A0A0A0); }
.rank-3 { background: linear-gradient(135deg, #CD7F32, #A0522D); }

.card-body {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}

.card-age {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.card-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.5;
    flex: 1;
    margin-bottom: 14px;
}

.card-votes-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.card-votes {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    color: var(--primary);
    font-weight: 700;
}

.card-votes .vote-count {
    font-size: 22px;
}

.vote-btn {
    padding: 10px 24px;
    border: none;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    background: linear-gradient(135deg, var(--primary), #FF8FAA);
    color: #fff;
    width: 100%;
}

.vote-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-dark), #E87898);
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(255, 107, 138, 0.35);
}

.vote-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.vote-btn:disabled {
    background: #E0D5E5;
    cursor: not-allowed;
    color: #B0A0B8;
}

.vote-btn.voted {
    background: linear-gradient(135deg, #4CAF50, #66BB6A);
}

.vote-btn.voted:hover {
    background: linear-gradient(135deg, #43A047, #5CB860);
}

/* ===== 排行榜侧栏 ===== */
.ranking-panel {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 260px;
    background: var(--bg-card);
    border-radius: var(--radius) 0 0 var(--radius);
    box-shadow: -4px 4px 24px rgba(0, 0, 0, 0.08);
    z-index: 90;
    transition: transform var(--transition);
    max-height: 70vh;
    display: flex;
    flex-direction: column;
}

.ranking-panel.collapsed {
    transform: translateY(-50%) translateX(calc(100% - 40px));
}

.ranking-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.ranking-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.ranking-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.ranking-toggle:hover {
    background: var(--bg);
    color: var(--text);
}

.ranking-panel.collapsed .ranking-toggle {
    transform: rotate(180deg);
}

.ranking-list {
    list-style: none;
    overflow-y: auto;
    padding: 8px 0;
    flex: 1;
}

.ranking-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    transition: var(--transition);
    cursor: default;
}

.ranking-list li:hover {
    background: var(--primary-light);
}

.ranking-pos {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 13px;
    color: #fff;
    flex-shrink: 0;
}

.ranking-pos.top1 { background: linear-gradient(135deg, #FFD700, #FFA500); }
.ranking-pos.top2 { background: linear-gradient(135deg, #C0C0C0, #A0A0A0); }
.ranking-pos.top3 { background: linear-gradient(135deg, #CD7F32, #A0522D); }
.ranking-pos.normal { background: #D5CCE0; color: var(--text); }

.ranking-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ranking-votes {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
}

/* ===== 弹窗 ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: #fff;
    border-radius: var(--radius);
    width: 90%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 26px;
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg);
    color: var(--text);
}

.modal-body {
    padding: 24px;
    font-size: 15px;
    color: var(--text-light);
}

.modal-body strong {
    color: var(--text);
    font-size: 17px;
}

.modal-remaining {
    margin-top: 10px;
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
}

.modal-footer {
    display: flex;
    gap: 12px;
    padding: 0 24px 20px;
}

.btn {
    flex: 1;
    padding: 12px;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-cancel {
    background: var(--bg);
    color: var(--text-light);
}

.btn-cancel:hover {
    background: #EDE5F0;
}

.btn-confirm {
    background: linear-gradient(135deg, var(--primary), #FF8FAA);
    color: #fff;
}

.btn-confirm:hover {
    background: linear-gradient(135deg, var(--primary-dark), #E87898);
    box-shadow: 0 4px 16px rgba(255, 107, 138, 0.35);
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: #fff;
    padding: 14px 28px;
    border-radius: 28px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    z-index: 300;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    font-weight: 600;
    font-size: 15px;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success { border: 2px solid #4CAF50; color: #2E7D32; }
.toast.error { border: 2px solid #F44336; color: #C62828; }
.toast.info { border: 2px solid #2196F3; color: #1565C0; }

/* ===== 活动说明页 ===== */
.page-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 28px 24px 100px;
}

.page-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 24px;
    text-align: center;
}

.intro-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.intro-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.intro-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.intro-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

.intro-card ul {
    list-style: none;
    padding: 0;
}

.intro-card ul li {
    font-size: 15px;
    color: var(--text-light);
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    line-height: 1.6;
}

.intro-card ul li:last-child {
    border-bottom: none;
}

/* ===== 底部导航栏 ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 2px solid var(--border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 6px 0;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
    z-index: 100;
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 20px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 12px;
    transition: var(--transition);
    color: var(--text-muted);
    min-width: 70px;
}

.nav-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-item.active {
    color: var(--primary);
}

.nav-item.active .nav-icon {
    transform: scale(1.15);
}

.nav-icon {
    font-size: 22px;
    transition: transform var(--transition);
}

.nav-label {
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

/* ===== 排行榜全屏页面 ===== */
.ranking-full-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 28px 24px 100px;
}

.ranking-full-page .ranking-full-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 24px;
    text-align: center;
}

.ranking-full-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ranking-full-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.ranking-full-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
}

.ranking-full-item .rf-rank {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: #fff;
    flex-shrink: 0;
}

.ranking-full-item .rf-rank.r1 { background: linear-gradient(135deg, #FFD700, #FFA500); }
.ranking-full-item .rf-rank.r2 { background: linear-gradient(135deg, #C0C0C0, #A0A0A0); }
.ranking-full-item .rf-rank.r3 { background: linear-gradient(135deg, #CD7F32, #A0522D); }
.ranking-full-item .rf-rank.rn { background: #D5CCE0; color: var(--text); }

.ranking-full-item .rf-avatar {
    font-size: 36px;
    flex-shrink: 0;
}

.ranking-full-item .rf-info {
    flex: 1;
    min-width: 0;
}

.ranking-full-item .rf-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
}

.ranking-full-item .rf-talent {
    font-size: 13px;
    color: var(--text-muted);
}

.ranking-full-item .rf-votes {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    white-space: nowrap;
}

.rf-vote-unit {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
}

.ranking-full-item .rf-bar-wrap {
    width: 120px;
    height: 8px;
    background: #F0E6EF;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.ranking-full-item .rf-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* 主内容区底部留白，避免被导航栏遮挡 */
.main-content {
    padding-bottom: 100px;
}

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
    .ranking-panel {
        position: static;
        transform: none;
        width: 100%;
        border-radius: 0;
        max-height: none;
        box-shadow: none;
        border-top: 2px solid var(--primary-light);
        margin-top: 24px;
    }

    .ranking-panel.collapsed {
        transform: none;
    }

    .ranking-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 12px;
    }

    .ranking-list li {
        flex: 0 0 auto;
        padding: 6px 14px;
        background: var(--bg);
        border-radius: 20px;
    }

    .ranking-toggle {
        display: none;
    }

    /* 排行榜全屏页中等屏幕适配 */
    .ranking-full-page {
        padding: 24px 16px 100px;
    }

    .ranking-full-item .rf-bar-wrap {
        width: 80px;
    }

    .ranking-full-item .rf-avatar {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .site-title {
        font-size: 18px;
    }

    .hero-content h2 {
        font-size: 22px;
    }

    .rules-inner {
        gap: 12px;
        flex-direction: column;
        align-items: center;
    }

    .toolbar-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: none;
    }

    .vote-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 16px;
    }

    /* 排行榜全屏页小屏幕适配 */
    .ranking-full-page {
        padding: 20px 12px 100px;
    }

    .ranking-full-page .ranking-full-title {
        font-size: 20px;
        margin-bottom: 16px;
    }

    .ranking-full-item {
        padding: 10px 12px;
        gap: 10px;
    }

    .ranking-full-item .rf-rank {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }

    .ranking-full-item .rf-avatar {
        font-size: 26px;
    }

    .ranking-full-item .rf-name {
        font-size: 14px;
    }

    .ranking-full-item .rf-talent {
        font-size: 12px;
    }

    .ranking-full-item .rf-bar-wrap {
        width: 60px;
        height: 5px;
    }

    .ranking-full-item .rf-votes {
        font-size: 14px;
    }

    .rf-vote-unit {
        font-size: 10px;
    }

    /* 侧栏排行榜小屏优化 */
    .ranking-panel {
        margin-top: 16px;
    }

    .ranking-list {
        gap: 6px;
        padding: 8px;
    }

    .ranking-list li {
        padding: 5px 12px;
        font-size: 13px;
    }

    .ranking-name {
        max-width: 80px;
    }

    /* 活动说明页 */
    .page-section {
        padding: 20px 12px 100px;
    }

    .page-title {
        font-size: 20px;
    }

    .intro-card {
        padding: 16px;
    }

    .intro-card h3 {
        font-size: 16px;
    }

    .intro-card p,
    .intro-card ul li {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .ranking-full-item {
        padding: 8px 10px;
        gap: 8px;
    }

    .ranking-full-item .rf-rank {
        width: 26px;
        height: 26px;
        font-size: 12px;
    }

    .ranking-full-item .rf-avatar {
        font-size: 22px;
    }

    .ranking-full-item .rf-name {
        font-size: 13px;
    }

    .ranking-full-item .rf-talent {
        font-size: 11px;
    }

    .ranking-full-item .rf-bar-wrap {
        width: 40px;
        height: 4px;
    }

    .ranking-full-item .rf-votes {
        font-size: 12px;
    }

    .rf-vote-unit {
        font-size: 9px;
    }

    .vote-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .vote-card .card-avatar {
        font-size: 50px;
    }

    .vote-card .card-name {
        font-size: 16px;
    }

    .vote-card .card-desc {
        font-size: 12px;
    }

    .header-inner {
        height: 52px;
    }

    .logo-icon {
        font-size: 24px;
    }

    .site-title {
        font-size: 16px;
    }

    .lang-btn {
        padding: 4px 10px;
        font-size: 12px;
    }

    .ad-banner {
        padding: 12px;
    }

    .ad-placeholder {
        flex-direction: column;
        gap: 10px;
        padding: 12px 6px;
    }

    .ad-icon {
        font-size: 36px;
    }

    .ad-title {
        font-size: 17px;
    }

    .ad-desc {
        font-size: 12px;
    }

    .ad-cta {
        font-size: 11px;
    }

    .copyright-text {
        font-size: 11px;
    }

    .copyright-powered {
        font-size: 11px;
    }

    .copyright-cn {
        font-size: 10px;
    }

    .site-footer {
        margin-bottom: 70px;
    }
}

/* ===== 页面底部 ===== */
.site-footer {
    background: var(--bg-card);
    border-top: 2px solid var(--border);
    padding: 0;
    margin-bottom: 80px; /* 避免被底部导航栏遮挡 */
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 24px;
}

/* 广告位区域 */
.ad-section {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.ad-banner {
    width: 100%;
    max-width: 728px;
    background: linear-gradient(135deg, #F8F9FA, #E8ECF1);
    border: 2px dashed #C0C7CF;
    border-radius: 8px;
    padding: 16px;
    position: relative;
    transition: var(--transition);
}

.ad-banner:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, #FFF5F7, #FFF0F3);
}

.ad-label {
    position: absolute;
    top: -12px;
    left: 16px;
    background: #6C757D;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 2px 10px;
    border-radius: 3px;
    text-transform: uppercase;
}

.ad-size-badge {
    position: absolute;
    bottom: -10px;
    right: 16px;
    background: #6C757D;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 3px;
    letter-spacing: 0.5px;
}

.ad-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 20px 10px;
}

.ad-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.ad-content {
    text-align: center;
}

.ad-title {
    font-size: 20px;
    font-weight: 800;
    color: #495057;
    margin-bottom: 4px;
}

.ad-desc {
    font-size: 14px;
    color: #6C757D;
    margin-bottom: 4px;
}

.ad-cta {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
}

/* 版权声明区域 */
.copyright-section {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.copyright-text {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.copyright-powered {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.8;
}

.copyright-powered strong {
    color: var(--text);
    font-weight: 700;
}

.copyright-cn {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #D5CCE0;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #BBAACC;
}