/* ===========================================
   隐私政策页专用样式 - 暖色商务风 · 双栏布局
   =========================================== */

main {
    padding-top: 72px;
}

/* ===========================================
   页面头部 - 暖色背景
   =========================================== */

.privacy-hero {
    padding: 72px 0 56px;
    background: linear-gradient(168deg, #FFFBEB 0%, #FEF3C7 40%, #FFF7ED 100%);
    border-bottom: 1px solid var(--border-color);
}

.privacy-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 20px;
    backdrop-filter: blur(4px);
}

.hero-badge i {
    font-size: 12px;
    color: var(--accent-color);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
}

/* ===========================================
   双栏布局容器
   =========================================== */

.privacy-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

/* ===========================================
   左侧 TOC 侧边栏
   =========================================== */

.privacy-sidebar {
    width: 240px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
}

.toc-heading {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    padding-left: 16px;
}

.toc-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc-link {
    display: block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-left: 3px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: all var(--transition-fast);
    line-height: 1.5;
}

.toc-link:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.toc-link.active {
    color: var(--accent-hover);
    font-weight: 600;
    border-left-color: var(--accent-color);
    background: var(--accent-light);
}

/* ===========================================
   右侧内容区
   =========================================== */

.privacy-content {
    flex: 1;
    min-width: 0;
}

/* 前言 */
.doc-intro {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.doc-intro:last-of-type {
    margin-bottom: 40px;
}

/* 内容分区 */
.privacy-section {
    margin-bottom: 48px;
    scroll-margin-top: 100px;
}

.privacy-section:last-child {
    margin-bottom: 0;
}

/* 区块标题 */
.section-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 14px;
    padding-left: 16px;
    border-bottom: 1px solid var(--border-color-light);
    border-left: 4px solid var(--accent-color);
    line-height: 1.4;
}

.section-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--accent-light);
    color: var(--accent-hover);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
    flex-shrink: 0;
}

/* 子标题 */
.doc-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 24px 0 12px 0;
}

/* 文本段落 */
.doc-text {
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* 列表 */
.doc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    padding-left: 0;
}

.doc-list li {
    position: relative;
    padding-left: 28px;
    font-size: 14.5px;
    line-height: 1.75;
    color: var(--text-secondary);
}

.doc-list li::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-color);
}

/* ===========================================
   联系我们卡片
   =========================================== */

.contact-card {
    background: linear-gradient(135deg, #FFFBEB, #FEF3C7);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(245, 158, 11, 0.15);
    margin: 28px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-sm);
    color: var(--accent-hover);
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-hover);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.5;
}

/* 结语 */
.doc-closing {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color-light);
    text-align: center;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.8;
}

/* ===========================================
   响应式设计
   =========================================== */

@media (max-width: 1024px) {
    .privacy-layout {
        gap: 32px;
    }

    .privacy-sidebar {
        width: 200px;
    }
}

@media (max-width: 768px) {
    main {
        padding-top: 64px;
    }

    .privacy-hero {
        padding: 48px 0 36px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-description {
        font-size: 15px;
    }

    .privacy-layout {
        flex-direction: column;
        padding: var(--space-lg) var(--space-md);
        gap: 0;
    }

    .privacy-sidebar {
        width: 100%;
        position: static;
        margin-bottom: 32px;
        padding-bottom: 24px;
        border-bottom: 1px solid var(--border-color);
    }

    .toc-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
    }

    .toc-link {
        border-left: none;
        border-bottom: 2px solid transparent;
        border-radius: var(--radius-sm);
        padding: 6px 12px;
        font-size: 13px;
        white-space: nowrap;
    }

    .toc-link.active {
        border-left-color: transparent;
        border-bottom-color: var(--accent-color);
    }

    .section-heading {
        font-size: 20px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    main {
        padding-top: 56px;
    }

    .privacy-hero {
        padding: 36px 0 28px;
    }

    .hero-title {
        font-size: 28px;
    }

    .privacy-layout {
        padding: var(--space-md) var(--space-sm);
    }

    .privacy-section {
        margin-bottom: 36px;
    }

    .section-heading {
        font-size: 18px;
        padding-left: 12px;
    }

    .section-num {
        width: 28px;
        height: 28px;
        font-size: 13px;
    }

    .doc-subtitle {
        font-size: 15px;
    }

    .doc-text,
    .doc-intro {
        font-size: 14px;
    }

    .doc-list li {
        font-size: 13.5px;
    }

    .contact-card {
        padding: 20px;
    }

    .toc-heading {
        display: none;
    }
}