/* ============================================================
   QuickQ 隐私策略页 · 现代化重设计
   文件：static/css/privacy.css
   ============================================================ */

/* ---------- 全局变量 fallback ---------- */
.main-privacy {
    --pv-bg-base: #080c17;
    --pv-bg-dark: #0b1220;
    --pv-bg-card: #0f1830;
    --pv-border: rgba(255, 255, 255, 0.07);
    --pv-border-strong: rgba(255, 255, 255, 0.12);
    --pv-primary: #4f7cff;
    --pv-primary-dark: #2c58d9;
    --pv-accent: #6b9bff;
    --pv-cyan: #22d3ee;
    --pv-green: #4ade80;
    --pv-red: #f87171;
    --pv-text: #e6ecf7;
    --pv-text-muted: #98a4bc;
    --pv-text-dim: #5f6c85;
    --pv-radius: 16px;
    --pv-radius-sm: 10px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   1. 面包屑
   ============================================================ */
.main-privacy .breadcrumb-nav {
    background: var(--pv-bg-base);
    border-bottom: 1px solid var(--pv-border);
    padding: 0.8rem 0;
    font-size: 0.8rem;
}
.main-privacy .breadcrumb-nav .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.main-privacy .breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    color: var(--pv-text-dim);
}
.main-privacy .breadcrumb-list a {
    color: var(--pv-text-muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.2s;
}
.main-privacy .breadcrumb-list a:hover { color: var(--pv-accent); }
.main-privacy .breadcrumb-list a i { font-size: 0.7rem; }
.main-privacy .breadcrumb-list .sep {
    color: #334155;
    font-size: 0.6rem;
}
.main-privacy .breadcrumb-list li[aria-current="page"] {
    color: #fff;
    font-weight: 500;
}

/* ============================================================
   2. Hero 区域
   ============================================================ */
.main-privacy .legal-hero {
    position: relative;
    padding: 6rem 1.5rem 5rem;
    overflow: hidden;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, #101a35 0%, var(--pv-bg-base) 70%);
    text-align: center;
    isolation: isolate;
}

/* 光晕球 */
.main-privacy .legal-hero .glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}
.main-privacy .legal-hero .glow-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(79, 124, 255, 0.35), transparent 70%);
    top: -200px; left: 15%;
    animation: floatGlow 12s ease-in-out infinite;
}
.main-privacy .legal-hero .glow-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.18), transparent 70%);
    bottom: -160px; right: 10%;
    animation: floatGlow 14s ease-in-out infinite reverse;
}
@keyframes floatGlow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(30px, -20px) scale(1.08); }
}

/* 网格纹理 */
.main-privacy .legal-hero .grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 80%);
    z-index: 0;
    pointer-events: none;
}

.main-privacy .legal-hero .hero-inner {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Hero 徽章 */
.main-privacy .legal-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(79, 124, 255, 0.10);
    border: 1px solid rgba(79, 124, 255, 0.25);
    border-radius: 999px;
    padding: 0.4rem 1.1rem 0.4rem 0.75rem;
    font-size: 0.78rem;
    color: var(--pv-accent);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    animation: fadeUp 0.6s ease both;
}
.main-privacy .legal-hero .pulse-dot {
    display: inline-block;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--pv-green);
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
    animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
    0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6); }
    70%  { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

/* Hero 标题 */
.main-privacy .legal-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.12;
    letter-spacing: -0.035em;
    margin: 0 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    animation: fadeUp 0.7s 0.1s ease both;
}
.main-privacy .legal-hero h1 .gradient-text {
    background: linear-gradient(135deg, #6b9bff 0%, #22d3ee 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 24px rgba(79, 124, 255, 0.25));
}
.main-privacy .legal-hero h1 .h1-line2 {
    font-size: 0.62em;
    font-weight: 700;
    color: var(--pv-text);
    letter-spacing: -0.02em;
    opacity: 0.9;
}

.main-privacy .legal-hero .sub-headline {
    color: var(--pv-text-muted);
    font-size: clamp(0.95rem, 1.15vw, 1.1rem);
    line-height: 1.85;
    max-width: 640px;
    margin: 0 auto;
    animation: fadeUp 0.7s 0.2s ease both;
}
.main-privacy .legal-hero .sub-headline strong { color: #fff; font-weight: 600; }
.main-privacy .legal-hero .sub-headline em {
    font-style: normal;
    color: var(--pv-accent);
    font-weight: 600;
}

/* 统计条 */
.main-privacy .legal-hero .legal-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 3rem;
    padding: 1.4rem 1.6rem;
    width: 100%;
    max-width: 780px;
    background: rgba(15, 24, 48, 0.55);
    border: 1px solid var(--pv-border-strong);
    border-radius: var(--pv-radius);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    animation: fadeUp 0.7s 0.3s ease both;
}
.main-privacy .legal-hero .stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-align: left;
    padding: 0.3rem 0.6rem;
    border-right: 1px solid var(--pv-border);
}
.main-privacy .legal-hero .stat-item:last-child { border-right: none; }
.main-privacy .legal-hero .stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(79, 124, 255, 0.12);
    border: 1px solid rgba(79, 124, 255, 0.18);
    color: var(--pv-accent);
    font-size: 1rem;
    flex-shrink: 0;
}
.main-privacy .legal-hero .stat-icon.green {
    background: rgba(74, 222, 128, 0.12);
    border-color: rgba(74, 222, 128, 0.20);
    color: var(--pv-green);
}
.main-privacy .legal-hero .stat-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}
.main-privacy .legal-hero .stat-text strong {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
}
.main-privacy .legal-hero .stat-text span {
    color: var(--pv-text-dim);
    font-size: 0.72rem;
    margin-top: 2px;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   3. 正文布局（侧栏 + 内容）
   ============================================================ */
.main-privacy .legal-content {
    background: var(--pv-bg-base);
    padding: 5rem 0 6rem;
    border-top: 1px solid var(--pv-border);
    position: relative;
}
.main-privacy .legal-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 3.5rem;
    align-items: start;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---------- 侧栏 TOC ---------- */
.main-privacy .toc-aside {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.main-privacy .toc-nav {
    background: linear-gradient(180deg, rgba(15, 24, 48, 0.85) 0%, rgba(15, 24, 48, 0.55) 100%);
    border: 1px solid var(--pv-border-strong);
    border-radius: var(--pv-radius);
    padding: 1.4rem 1.2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.main-privacy .toc-nav .toc-title {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--pv-border);
    letter-spacing: 0.3px;
}
.main-privacy .toc-nav .toc-title i {
    color: var(--pv-accent);
    font-size: 0.85rem;
}
.main-privacy .toc-nav .toc-count {
    margin-left: auto;
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--pv-text-dim);
    background: rgba(79, 124, 255, 0.10);
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    letter-spacing: 0;
}
.main-privacy .toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.main-privacy .toc-list li { list-style: none; }
.main-privacy .toc-list a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 0.75rem;
    color: var(--pv-text-muted);
    font-size: 0.84rem;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    position: relative;
    line-height: 1.4;
}
.main-privacy .toc-list a::before {
    content: attr(data-num);
    font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    color: #46536b;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    transition: color 0.2s;
}
.main-privacy .toc-list a:hover {
    color: #fff;
    background: rgba(79, 124, 255, 0.08);
}
.main-privacy .toc-list a:hover::before { color: var(--pv-accent); }
.main-privacy .toc-list a.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(79, 124, 255, 0.18) 0%, rgba(79, 124, 255, 0.04) 100%);
    font-weight: 600;
}
.main-privacy .toc-list a.active::before { color: var(--pv-accent); }
.main-privacy .toc-list a.active::after {
    content: '';
    position: absolute;
    left: 0; top: 20%; bottom: 20%;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--pv-primary), var(--pv-cyan));
}

/* 信任卡 */
.main-privacy .trust-card {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.06) 0%, rgba(79, 124, 255, 0.06) 100%);
    border: 1px solid rgba(79, 124, 255, 0.18);
    border-radius: var(--pv-radius);
    padding: 1.3rem 1.3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.main-privacy .trust-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.08), transparent 60%);
    animation: rotateSlow 20s linear infinite;
    pointer-events: none;
}
@keyframes rotateSlow {
    to { transform: rotate(360deg); }
}
.main-privacy .trust-card .trust-icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(79, 124, 255, 0.20), rgba(34, 211, 238, 0.20));
    color: #8fb2ff;
    font-size: 1.15rem;
    margin-bottom: 0.7rem;
    border: 1px solid rgba(79, 124, 255, 0.25);
}
.main-privacy .trust-card .trust-title {
    position: relative;
    color: #fff;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.main-privacy .trust-card .trust-desc {
    position: relative;
    color: var(--pv-text-dim);
    font-size: 0.72rem;
    letter-spacing: 0.5px;
}

/* ---------- 主内容 ---------- */
.main-privacy .legal-article {
    min-width: 0;
}

/* 文章元信息 */
.main-privacy .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--pv-border);
}
.main-privacy .meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--pv-text-muted);
    background: rgba(15, 24, 48, 0.55);
    border: 1px solid var(--pv-border);
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
}
.main-privacy .meta-badge i { color: var(--pv-accent); font-size: 0.75rem; }

/* 章节卡片 */
.main-privacy .legal-section {
    position: relative;
    padding: 2rem 0 2.4rem;
    border-bottom: 1px solid var(--pv-border);
    scroll-margin-top: 90px;
}
.main-privacy .legal-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* 章节标题 */
.main-privacy .legal-section h2 {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin: 0 0 1.1rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.01em;
    line-height: 1.35;
}
.main-privacy .h2-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(79, 124, 255, 0.20) 0%, rgba(34, 211, 238, 0.10) 100%);
    border: 1px solid rgba(79, 124, 255, 0.28);
    color: #8fb2ff;
    font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
    font-size: 0.95rem;
    font-weight: 800;
    flex-shrink: 0;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 16px rgba(79, 124, 255, 0.15);
}

/* 段落 */
.main-privacy .legal-section p {
    color: var(--pv-text-muted);
    font-size: 0.95rem;
    line-height: 1.9;
    margin: 0 0 0.9rem;
}
.main-privacy .legal-section p:last-child { margin-bottom: 0; }
.main-privacy .legal-section p strong { color: #fff; font-weight: 600; }
.main-privacy .legal-section p a {
    color: var(--pv-accent);
    text-decoration: none;
    border-bottom: 1px dashed rgba(79, 124, 255, 0.4);
    transition: color 0.2s, border-color 0.2s;
    font-weight: 500;
}
.main-privacy .legal-section p a:hover {
    color: #fff;
    border-bottom-color: #fff;
}

/* 列表 */
.main-privacy .legal-section ul {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.main-privacy .legal-section ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--pv-text-muted);
    font-size: 0.92rem;
    line-height: 1.75;
    padding: 0.55rem 0.85rem;
    border-radius: 8px;
    transition: background 0.2s;
}
.main-privacy .legal-section ul li:hover {
    background: rgba(79, 124, 255, 0.04);
}
.main-privacy .legal-section ul li i {
    color: var(--pv-accent);
    font-size: 0.62rem;
    margin-top: 0.55rem;
    flex-shrink: 0;
    width: 10px;
    text-align: center;
}
.main-privacy .legal-section ul li strong { color: #fff; font-weight: 600; }
.main-privacy .legal-section ul li span { flex: 1; }

/* check 列表 */
.main-privacy .legal-section ul.check-list li i {
    color: var(--pv-green);
    font-size: 0.95rem;
    margin-top: 0.35rem;
}
/* deny 列表 */
.main-privacy .legal-section ul.deny-list li i {
    color: var(--pv-red);
    font-size: 0.95rem;
    margin-top: 0.35rem;
}

/* 高亮框 */
.main-privacy .legal-section .highlight-box {
    position: relative;
    background: linear-gradient(135deg, rgba(79, 124, 255, 0.08) 0%, rgba(34, 211, 238, 0.04) 100%);
    border: 1px solid rgba(79, 124, 255, 0.22);
    border-left: 3px solid var(--pv-primary);
    padding: 1.4rem 1.6rem;
    border-radius: 4px var(--pv-radius-sm) var(--pv-radius-sm) 4px;
    margin: 1rem 0 1.3rem;
}
.main-privacy .legal-section .highlight-box::before {
    content: '';
    position: absolute;
    top: -1px; right: -1px;
    width: 60px; height: 60px;
    background: radial-gradient(circle at top right, rgba(34, 211, 238, 0.20), transparent 70%);
    border-radius: 0 var(--pv-radius-sm) 0 0;
    pointer-events: none;
}
.main-privacy .legal-section .highlight-head {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: #fff;
    font-weight: 700;
    font-size: 0.92rem;
    margin-bottom: 0.7rem;
    letter-spacing: 0.2px;
}
.main-privacy .legal-section .highlight-head i {
    color: var(--pv-accent);
    font-size: 0.9rem;
}
.main-privacy .legal-section .highlight-box p {
    margin-bottom: 0.5rem;
    color: var(--pv-text-muted);
    font-size: 0.92rem;
}
.main-privacy .legal-section .highlight-box p:last-child { margin-bottom: 0; }
.main-privacy .legal-section .highlight-box p strong { color: #fff; }

/* 联系方式卡片 */
.main-privacy .contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.2rem;
}
.main-privacy .contact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.3rem;
    background: rgba(15, 24, 48, 0.6);
    border: 1px solid var(--pv-border-strong);
    border-radius: var(--pv-radius-sm);
    text-decoration: none;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}
.main-privacy .contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 124, 255, 0.08), transparent 60%);
    opacity: 0;
    transition: opacity 0.25s;
    pointer-events: none;
}
.main-privacy .contact-card:hover {
    border-color: rgba(79, 124, 255, 0.40);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(79, 124, 255, 0.15);
}
.main-privacy .contact-card:hover::before { opacity: 1; }
.main-privacy .contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 11px;
    background: linear-gradient(135deg, rgba(79, 124, 255, 0.18), rgba(34, 211, 238, 0.12));
    border: 1px solid rgba(79, 124, 255, 0.25);
    color: #8fb2ff;
    font-size: 1.05rem;
    flex-shrink: 0;
    position: relative;
}
.main-privacy .contact-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    position: relative;
}
.main-privacy .contact-info strong {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.main-privacy .contact-info span {
    color: var(--pv-text-dim);
    font-size: 0.75rem;
}
.main-privacy .contact-arrow {
    margin-left: auto;
    color: #46536b;
    font-size: 0.8rem;
    transition: all 0.25s;
    position: relative;
}
.main-privacy .contact-card:hover .contact-arrow {
    color: var(--pv-accent);
    transform: translateX(4px);
}

/* ============================================================
   4. CTA
   ============================================================ */
.main-privacy .legal-cta {
    background: var(--pv-bg-dark);
    padding: 5rem 0 6rem;
    border-top: 1px solid var(--pv-border);
    position: relative;
    overflow: hidden;
}
.main-privacy .legal-cta::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 800px; height: 400px;
    background: radial-gradient(ellipse, rgba(79, 124, 255, 0.12), transparent 70%);
    pointer-events: none;
}
.main-privacy .legal-cta .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
}
.main-privacy .legal-cta .cta-box {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(180deg, rgba(15, 24, 48, 0.85), rgba(15, 24, 48, 0.55));
    border: 1px solid var(--pv-border-strong);
    border-radius: 20px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}
.main-privacy .legal-cta .cta-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px; height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(79, 124, 255, 0.25), rgba(34, 211, 238, 0.15));
    border: 1px solid rgba(79, 124, 255, 0.30);
    color: #a3c2ff;
    font-size: 1.6rem;
    margin-bottom: 1.4rem;
    box-shadow: 0 12px 40px rgba(79, 124, 255, 0.30);
}
.main-privacy .legal-cta .cta-box h3 {
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    font-weight: 800;
    color: #fff;
    margin: 0 0 0.7rem;
    letter-spacing: -0.02em;
}
.main-privacy .legal-cta .gradient-text {
    background: linear-gradient(135deg, #6b9bff 0%, #22d3ee 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.main-privacy .legal-cta .cta-box p {
    color: var(--pv-text-muted);
    font-size: 0.95rem;
    margin: 0 0 1.8rem;
    line-height: 1.75;
}
.main-privacy .legal-cta .cta-box p a {
    color: var(--pv-accent);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dashed rgba(79, 124, 255, 0.4);
    transition: color 0.2s, border-color 0.2s;
}
.main-privacy .legal-cta .cta-box p a:hover {
    color: #fff;
    border-bottom-color: #fff;
}
.main-privacy .legal-cta .btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--pv-primary) 0%, var(--pv-primary-dark) 100%);
    color: #fff;
    font-weight: 600;
    font-size: 0.98rem;
    padding: 0.9rem 2.2rem;
    border-radius: 999px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 28px rgba(79, 124, 255, 0.35);
    letter-spacing: 0.3px;
}
.main-privacy .legal-cta .btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(79, 124, 255, 0.5);
}

/* ============================================================
   5. 响应式
   ============================================================ */
@media (max-width: 1024px) {
    .main-privacy .legal-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .main-privacy .toc-aside {
        position: static;
        flex-direction: column;
    }
    .main-privacy .trust-card { display: none; }
    .main-privacy .toc-nav { padding: 1.1rem 1.2rem; }
    .main-privacy .toc-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.2rem;
    }
}

@media (max-width: 820px) {
    .main-privacy .legal-hero {
        padding: 4rem 1rem 3.5rem;
    }
    .main-privacy .legal-hero h1 {
        font-size: clamp(1.9rem, 6vw, 2.6rem);
    }
    .main-privacy .legal-hero .legal-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
        padding: 1.1rem;
    }
    .main-privacy .legal-hero .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--pv-border);
        padding: 0.5rem 0.4rem 0.7rem;
    }
    .main-privacy .legal-hero .stat-item:nth-child(3),
    .main-privacy .legal-hero .stat-item:nth-child(4) {
        border-bottom: none;
        padding-bottom: 0.4rem;
    }
    .main-privacy .legal-content {
        padding: 3rem 0 4rem;
    }
    .main-privacy .legal-layout {
        padding: 0 1rem;
    }
    .main-privacy .legal-section h2 {
        font-size: 1.15rem;
        gap: 0.75rem;
    }
    .main-privacy .h2-num {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        font-size: 0.85rem;
    }
    .main-privacy .contact-cards {
        grid-template-columns: 1fr;
    }
    .main-privacy .legal-cta {
        padding: 3.5rem 0 4rem;
    }
    .main-privacy .legal-cta .cta-box {
        padding: 2rem 1.4rem;
    }
}

@media (max-width: 520px) {
    .main-privacy .breadcrumb-nav { font-size: 0.72rem; }
    .main-privacy .breadcrumb-nav .container { padding: 0 1rem; }
    .main-privacy .legal-hero {
        padding: 3rem 1rem 2.5rem;
    }
    .main-privacy .legal-hero h1 {
        font-size: 1.75rem;
        gap: 0.3rem;
    }
    .main-privacy .legal-hero .sub-headline {
        font-size: 0.88rem;
    }
    .main-privacy .legal-hero .legal-stats {
        margin-top: 2rem;
        padding: 1rem;
        gap: 0.6rem;
    }
    .main-privacy .legal-hero .stat-icon {
        width: 34px; height: 34px;
        font-size: 0.85rem;
    }
    .main-privacy .legal-hero .stat-text strong { font-size: 0.88rem; }
    .main-privacy .legal-hero .stat-text span { font-size: 0.65rem; }

    .main-privacy .toc-list {
        grid-template-columns: 1fr;
    }
    .main-privacy .toc-list a {
        padding: 0.5rem 0.65rem;
        font-size: 0.8rem;
    }
    .main-privacy .legal-section {
        padding: 1.6rem 0 1.9rem;
    }
    .main-privacy .legal-section h2 {
        font-size: 1.05rem;
    }
    .main-privacy .h2-num {
        width: 34px; height: 34px;
        font-size: 0.78rem;
        border-radius: 9px;
    }
    .main-privacy .legal-section p,
    .main-privacy .legal-section ul li {
        font-size: 0.88rem;
    }
    .main-privacy .legal-section .highlight-box {
        padding: 1.1rem 1.2rem;
    }
    .main-privacy .contact-card {
        padding: 0.9rem 1rem;
    }
    .main-privacy .contact-icon {
        width: 38px; height: 38px;
        font-size: 0.9rem;
    }
    .main-privacy .contact-info strong { font-size: 0.82rem; }
    .main-privacy .contact-info span { font-size: 0.7rem; }

    .main-privacy .legal-cta .cta-icon {
        width: 50px; height: 50px;
        font-size: 1.3rem;
    }
    .main-privacy .legal-cta .cta-box h3 { font-size: 1.15rem; }
    .main-privacy .legal-cta .btn-cta {
        padding: 0.75rem 1.6rem;
        font-size: 0.9rem;
    }
}

/* ============================================================
   6. 打印样式（可选）
   ============================================================ */
@media print {
    .main-privacy .legal-hero .glow,
    .main-privacy .legal-hero .grid-overlay,
    .main-privacy .toc-aside,
    .main-privacy .legal-cta,
    .main-privacy .breadcrumb-nav { display: none !important; }
    .main-privacy .legal-layout {
        grid-template-columns: 1fr;
    }
    .main-privacy .legal-section h2 { color: #000; }
    .main-privacy .legal-section p,
    .main-privacy .legal-section ul li { color: #333; }
}