/* ============================================================
   ① 全局 CSS 变量 (:root)
   统一管理所有配色、圆角、间距、字体、容器宽度等全局参数
   ============================================================ */
:root {
    /* ---- 主色系 ---- */
    --color-primary: #00d4ff;
    --color-primary-hover: #66e5ff;
    --color-primary-dim: rgba(0, 212, 255, 0.15);
    --color-primary-04: rgba(0, 212, 255, 0.04);
    --color-primary-05: rgba(0, 212, 255, 0.05);
    --color-primary-06: rgba(0, 212, 255, 0.06);
    --color-primary-10: rgba(0, 212, 255, 0.10);
    --color-primary-12: rgba(0, 212, 255, 0.12);
    --color-primary-20: rgba(0, 212, 255, 0.20);
    --color-primary-30: rgba(0, 212, 255, 0.30);

    /* ---- 背景色系 ---- */
    --bg-body: #0b1a2e;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-nav: rgba(11, 26, 46, 0.75);
    --bg-cta: linear-gradient(135deg, #061226, #0b1a2e);

    /* ---- 文字色系 ---- */
    --text-white: #ffffff;
    --text-primary: #dce6f0;
    --text-secondary: #b0c8dd;
    --text-muted: #8aa4b8;
    --text-dim: #6a8aaa;

    /* ---- 边框色系 ---- */
    --border-primary: rgba(0, 212, 255, 0.08);
    --border-hover: rgba(0, 212, 255, 0.3);
    --border-light: rgba(0, 212, 255, 0.06);

    /* ---- 阴影 ---- */
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-btn: 0 0 20px rgba(0, 212, 255, 0.25);
    --shadow-btn-hover: 0 0 40px rgba(0, 212, 255, 0.45);
    --shadow-nav: 0 0 16px rgba(0, 212, 255, 0.2);

    /* ---- 圆角 ---- */
    --radius-btn: 60px;
    --radius-card: 24px;
    --radius-sm: 16px;
    --radius-tag: 40px;
    --radius-input: 12px;

    /* ---- 透明度 ---- */
    --opacity-low: 0.3;

    /* ---- 间距 ---- */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 60px;
    --spacing-4xl: 70px;

    /* ---- 字体 ---- */
    --font-family: 'Inter', system-ui, 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.8rem;
    --font-size-sm: 0.85rem;
    --font-size-base: 1rem;
    --font-size-md: 1.1rem;
    --font-size-lg: 1.2rem;
    --font-size-xl: 1.4rem;
    --font-size-2xl: 1.7rem;
    --font-size-3xl: 2.2rem;
    --font-size-4xl: 3.2rem;

    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --line-height-tight: 1.2;
    --line-height-normal: 1.6;
    --line-height-loose: 1.7;

    /* ---- 布局 ---- */
    --container-max-width: 1200px;
    --container-padding: 24px;
}


/* ============================================================
   ② 基础重置样式
   统一浏览器默认样式，消除浏览器差异
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html, body {
  overflow-x: hidden;
  width: 100%;
}
body {
    background: var(--bg-body);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: var(--line-height-normal);
    scroll-behavior: smooth;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}
a:hover {
    color: var(--color-primary-hover);
}

/* ---- 标题层级（基础定义） ---- */
h1 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    color: var(--text-white);
}
h2 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-white);
}
h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-normal);
    color: var(--text-white);
}

/* ---- 图片默认 ---- */
img {
    max-width: 100%;
    height: auto;
    display: block;
}


/* ============================================================
   ③ 公共组件样式
   导航、页脚、按钮、卡片、表单、面包屑、分页等全站复用组件
   ============================================================ */

/* ---- 容器 ---- */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ---- 通用徽章 ---- */
.badge {
    background: var(--color-primary-dim);
    color: var(--color-primary);
    padding: 6px 16px;
    border-radius: var(--radius-tag);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    display: inline-block;
    letter-spacing: 0.3px;
    border: 1px solid var(--color-primary-20);
}

/* ---- 按钮 ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
    font-family: inherit;
    border: none;
}

.btn-primary {
    composes: btn;
    background: var(--color-primary);
    color: var(--bg-body);
    padding: 14px 36px;
    border-radius: var(--radius-btn);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn-hover);
}

.btn-primary-outline {
    composes: btn;
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 12px 32px;
    border-radius: var(--radius-btn);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
}
.btn-primary-outline:hover {
    background: var(--color-primary-10);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

/* ---- 卡片 ---- */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
}

/* ---- 顶部导航（全站统一） ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-primary);
}

.site-header .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    flex-wrap: wrap;
    gap: 16px;
}

.site-header .logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
}
.site-header .logo-area img {
    vertical-align: middle;
}
.site-header .logo-text {
    font-weight: var(--font-weight-extrabold);
    font-size: 1.6rem;
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-hover));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    letter-spacing: -0.5px;
}

/* 导航链接 */
.site-header .nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    flex-wrap: wrap;
    transition: all 0.3s ease;
}
.site-header .nav-links a {
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    transition: color 0.2s;
    font-size: 0.95rem;
    position: relative;
}
.site-header .nav-links a:hover {
    color: var(--color-primary);
}
.site-header .nav-links a.active {
    color: var(--color-primary);
}
.site-header .nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* 导航下载按钮 */
.site-header .nav-dl-btn {
    background: var(--color-primary);
    color: var(--bg-body) !important;
    padding: 8px 28px;
    border-radius: var(--radius-btn);
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-nav);
    transition: all 0.25s ease;
}
.site-header .nav-dl-btn:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    color: var(--bg-body) !important;
}
.site-header .nav-dl-btn.active::after {
    display: none;
}

/* 汉堡菜单按钮 */
.site-header .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 0;
    z-index: 101;
}
.site-header .hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text-secondary);
    border-radius: 4px;
    transition: all 0.25s ease;
    transform-origin: center;
}
.site-header .hamburger.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.site-header .hamburger.open span:nth-child(2) {
    opacity: 0;
}
.site-header .hamburger.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ---- 面包屑 ---- */
.breadcrumb {
    padding: 20px 0 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--color-primary);
}
.breadcrumb .sep {
    margin: 0 8px;
    color: var(--text-dim);
}
.breadcrumb .current {
    color: var(--text-secondary);
}

/* ---- 分页 ---- */
.pagination {
    padding: 20px 0 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.pagination a,
.pagination .page-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all 0.25s ease;
    text-decoration: none;
    border: 1px solid var(--border-primary);
    background: var(--bg-card);
    color: var(--text-secondary);
}
.pagination a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}
.pagination .page-current {
    background: var(--color-primary);
    color: var(--bg-body);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-btn);
}
.pagination .ellipsis {
    color: var(--text-dim);
    padding: 0 8px;
    font-size: var(--font-size-sm);
}

/* ---- 页脚 ---- */
.site-footer {
    padding: 40px 0 32px;
    border-top: 1px solid var(--color-primary-06);
    text-align: center;
    color: var(--text-dim);
    font-size: var(--font-size-sm);
}
.site-footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.site-footer .footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s;
}
.site-footer .footer-links a:hover {
    color: var(--color-primary);
}

/* ---- 通用 Section 标题 ---- */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    color: var(--text-white);
    margin-bottom: 12px;
}
.section-sub {
    font-size: var(--font-size-md);
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 40px;
}
.text-center {
    text-align: center;
}


/* ============================================================
   ④ 通用布局工具类
   .container、.section、.section-title、.text-center 等
   ============================================================ */
.section {
    padding: 70px 0 60px;
}
.section-lg {
    padding: 80px 0 70px;
}
.section-sm {
    padding: 40px 0 30px;
}


/* ============================================================
   ⑤ 页面独有样式（带 .page-xxx 前缀隔离）
   每个页面的专属样式，仅对应页面生效
   ============================================================ */

/* ============================================================
   ⑤-1 首页 .page-home
   ============================================================ */
.page-home .hero {
    padding: 60px 0 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-home .hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-12) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-home .hero::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary-06) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-home .hero h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 18px;
}
.page-home .hero h1 span {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-hover));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.page-home .hero p {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto 28px;
    line-height: var(--line-height-loose);
}
.page-home .hero .hero-stats {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    margin: 30px 0 36px;
}
.page-home .hero .hero-stats .stat-item {
    text-align: center;
}
.page-home .hero .hero-stats .stat-number {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    display: block;
}
.page-home .hero .hero-stats .stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.page-home .hero .btn-group {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.page-home .hero .hero-visual {
    position: relative;
    z-index: 1;
    margin: 20px auto 10px;
    max-width: 600px;
}
.page-home .hero .hero-visual img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

/* 首页 - 核心卖点区 */
.page-home .features {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 40px 40px 0 0;
    padding: 70px 0 60px;
    border-top: 1px solid var(--border-primary);
}
.page-home .features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.page-home .feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 24px 28px;
    text-align: center;
}
.page-home .feature-card .icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
    display: block;
}
.page-home .feature-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-bottom: 8px;
}
.page-home .feature-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--line-height-loose);
}

/* 首页 - 服务详情（Tab） */
.page-home .services {
    padding: 70px 0 60px;
}
.page-home .platform-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.page-home .platform-tab {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: var(--font-size-sm);
    user-select: none;
    font-family: inherit;
}
.page-home .platform-tab:hover:not(.active) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--bg-card-hover);
}
.page-home .platform-tab.active {
    background: var(--color-primary);
    color: var(--bg-body);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-btn);
}
.page-home .platform-panels {
    position: relative;
}
.page-home .platform-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}
.page-home .platform-panel.active {
    display: block;
}
@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(8px); }
    100% { opacity: 1; transform: translateY(0); }
}
.page-home .service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.page-home .service-detail-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.page-home .service-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 22px;
    border-radius: var(--radius-sm);
}
.page-home .service-detail-item .icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    margin-top: 2px;
}
.page-home .service-detail-item h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
}
.page-home .service-detail-item p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: 2px;
}
.page-home .service-visual {
    background: rgba(0, 212, 255, 0.05);
    border-radius: var(--radius-card);
    padding: 40px 30px;
    text-align: center;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(0, 212, 255, 0.1);
}
.page-home .service-visual .big-icon {
    font-size: 4rem;
    margin-bottom: 12px;
}
.page-home .service-visual p {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}
.page-home .service-visual .tag {
    background: var(--color-primary-dim);
    color: var(--color-primary);
    padding: 4px 16px;
    border-radius: var(--radius-tag);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    display: inline-block;
    margin-top: 8px;
}
.page-home .service-visual .dl-btn-sm {
    margin-top: 16px;
    background: var(--color-primary);
    color: var(--bg-body);
    border: none;
    padding: 10px 32px;
    border-radius: var(--radius-btn);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: var(--shadow-btn);
}
.page-home .service-visual .dl-btn-sm:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn-hover);
}

/* 首页 - 案例资质区 */
.page-home .cases {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 40px 40px 0 0;
    padding: 70px 0 60px;
    border-top: 1px solid var(--border-primary);
}
.page-home .cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 20px;
}
.page-home .case-card {
    padding: 28px 20px 24px;
    text-align: center;
}
.page-home .case-card .icon {
    font-size: 2.4rem;
    display: block;
    margin-bottom: 10px;
}
.page-home .case-card h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
}
.page-home .case-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: 4px;
}
.page-home .trust-badges {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border-light);
}
.page-home .trust-badges .badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}
.page-home .trust-badges .badge-item .check {
    color: var(--color-primary);
    font-size: 1.2rem;
}

/* 首页 - FAQ */
.page-home .faq {
    padding: 70px 0 60px;
}
.page-home .faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.page-home .faq-item {
    overflow: hidden;
    padding: 0;
    border-radius: var(--radius-sm);
}
.page-home .faq-item .faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 28px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-family: inherit;
    transition: background 0.2s;
}
.page-home .faq-item .faq-question:hover {
    background: rgba(0, 212, 255, 0.03);
}
.page-home .faq-item .faq-question .arrow {
    font-size: 1.2rem;
    transition: transform 0.25s ease;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-left: 16px;
}
.page-home .faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
}
.page-home .faq-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s ease;
    padding: 0 28px;
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
}
.page-home .faq-item.open .faq-answer {
    max-height: 400px;
    padding: 0 28px 24px;
}

/* 首页 - 转化表单 */
.page-home .cta-form {
    background: var(--bg-cta);
    border-top: 1px solid var(--border-primary);
    border-radius: 40px 40px 0 0;
    padding: 70px 0 60px;
    color: #fff;
}
.page-home .cta-form .section-title {
    color: #fff;
}
.page-home .cta-form .section-sub {
    color: var(--text-muted);
}
.page-home .form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
    margin-top: 20px;
}
.page-home .form-left h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 16px;
    color: #fff;
}
.page-home .form-left ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.page-home .form-left ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.85);
}
.page-home .form-left ul li .icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}
.page-home .form-right {
    background: rgba(255, 255, 255, 0.04);
    padding: 32px 30px;
    border-radius: var(--radius-card);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(0, 212, 255, 0.1);
}
.page-home .form-right .form-group {
    margin-bottom: 18px;
}
.page-home .form-right label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 4px;
}
.page-home .form-right input,
.page-home .form-right select {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-input);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: var(--font-size-sm);
    transition: border 0.2s;
    font-family: inherit;
}
.page-home .form-right input:focus,
.page-home .form-right select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
}
.page-home .form-right input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}
.page-home .form-right select option {
    color: var(--bg-body);
}
.page-home .form-right .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 6px;
}
.page-home .form-right .form-footnote {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    margin-top: 14px;
}

/* 首页 - 相关推荐 */
.page-home .related {
    padding: 60px 0 50px;
}
.page-home .related-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 40px;
    max-width: 820px;
    margin: 0 auto;
}
.page-home .related-list a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    transition: color 0.2s;
    font-size: var(--font-size-sm);
}
.page-home .related-list a:hover {
    color: var(--color-primary);
}
.page-home .related-list .meta {
    display: block;
    font-weight: var(--font-weight-regular);
    font-size: var(--font-size-xs);
    color: var(--text-dim);
    margin-top: 2px;
}


/* ============================================================
   ⑤-2 产品下载页 .page-download
   ============================================================ */
.page-download .hero-download {
    padding: 60px 0 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-download .hero-download::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-10) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-download .hero-download::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary-05) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-download .hero-download h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
}
.page-download .hero-download h1 span {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-hover));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.page-download .hero-download .hero-desc {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 32px;
    line-height: var(--line-height-loose);
}
.page-download .download-platforms {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.page-download .download-platforms .dl-btn {
    background: var(--bg-card);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 18px 32px;
    min-width: 140px;
    text-align: center;
    transition: all 0.25s ease;
    color: var(--text-white);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.page-download .download-platforms .dl-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    background: var(--bg-card-hover);
}
.page-download .download-platforms .dl-btn .platform-icon {
    font-size: 2.2rem;
    line-height: 1;
}
.page-download .download-platforms .dl-btn .platform-name {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
}
.page-download .download-platforms .dl-btn .platform-version {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* 下载页 - 版本信息 */
.page-download .version-info {
    padding: 0 0 60px;
}
.page-download .version-card {
    padding: 32px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}
.page-download .version-card .version-left {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}
.page-download .version-card .version-badge {
    background: var(--color-primary);
    color: var(--bg-body);
    padding: 6px 20px;
    border-radius: var(--radius-tag);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}
.page-download .version-card .version-meta {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}
.page-download .version-card .version-meta strong {
    color: var(--text-white);
}
.page-download .version-card .version-changelog {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    max-width: 380px;
}

/* 下载页 - 核心功能亮点 */
.page-download .features-download {
    padding: 60px 0 70px;
    background: rgba(255, 255, 255, 0.015);
    border-radius: 40px 40px 0 0;
    border-top: 1px solid var(--border-primary);
}
.page-download .features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.page-download .feature-card {
    padding: 32px 24px 28px;
    text-align: center;
}
.page-download .feature-card .icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
    display: block;
}
.page-download .feature-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-bottom: 8px;
}
.page-download .feature-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--line-height-loose);
}

/* 下载页 - 安装步骤 */
.page-download .install-steps {
    padding: 70px 0 60px;
}
.page-download .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.page-download .step-item {
    text-align: center;
    padding: 32px 20px 28px;
    position: relative;
}
.page-download .step-item .step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--bg-body);
    font-weight: var(--font-weight-extrabold);
    font-size: var(--font-size-xl);
    margin-bottom: 16px;
}
.page-download .step-item .step-icon {
    font-size: 2.4rem;
    display: block;
    margin-bottom: 10px;
}
.page-download .step-item h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-bottom: 6px;
}
.page-download .step-item p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--line-height-loose);
}

/* 下载页 - FAQ */
.page-download .faq-download {
    padding: 70px 0 60px;
    background: rgba(255, 255, 255, 0.015);
    border-radius: 40px 40px 0 0;
    border-top: 1px solid var(--border-primary);
}
.page-download .faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.page-download .faq-item {
    overflow: hidden;
    padding: 0;
    border-radius: var(--radius-sm);
}
.page-download .faq-item .faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 28px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-family: inherit;
    transition: background 0.2s;
}
.page-download .faq-item .faq-question:hover {
    background: rgba(0, 212, 255, 0.03);
}
.page-download .faq-item .faq-question .arrow {
    font-size: 1.2rem;
    transition: transform 0.25s ease;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-left: 16px;
}
.page-download .faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
}
.page-download .faq-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s ease;
    padding: 0 28px;
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
}
.page-download .faq-item.open .faq-answer {
    max-height: 400px;
    padding: 0 28px 24px;
}

/* 下载页 - CTA */
.page-download .cta-download {
    padding: 70px 0 60px;
    background: var(--bg-cta);
    border-top: 1px solid var(--border-primary);
    border-radius: 40px 40px 0 0;
    color: #fff;
}
.page-download .cta-download .section-title {
    color: #fff;
}
.page-download .cta-download .section-sub {
    color: var(--text-muted);
}
.page-download .cta-download .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.page-download .cta-download .cta-extra {
    margin-top: 24px;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.page-download .cta-download .cta-extra a {
    color: var(--color-primary);
}


/* ============================================================
   ⑤-3 关于我们页 .page-about
   ============================================================ */
.page-about .brand-header {
    padding: 30px 0 50px;
    text-align: center;
    position: relative;
}
.page-about .brand-header::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-12) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-about .brand-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 12px;
}
.page-about .brand-header h1 span {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-hover));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.page-about .brand-header .slogan {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    margin-bottom: 16px;
}
.page-about .brand-header .desc {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-md);
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto;
    line-height: var(--line-height-loose);
}

/* 关于我们 - 公司介绍 */
.page-about .company-intro {
    padding: 0 0 70px;
}
.page-about .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.page-about .intro-text h2 {
    margin-bottom: 16px;
}
.page-about .intro-text p {
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
    margin-bottom: 16px;
    font-size: var(--font-size-base);
}
.page-about .intro-text .highlight {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}
.page-about .intro-visual {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid var(--border-primary);
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.page-about .intro-visual .icon-big {
    font-size: 5rem;
    margin-bottom: 16px;
}
.page-about .intro-visual p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* 关于我们 - 发展历程（时间轴） */
.page-about .timeline {
    padding: 70px 0 60px;
    background: rgba(255, 255, 255, 0.015);
    border-radius: 40px 40px 0 0;
    border-top: 1px solid var(--color-primary-05);
}
.page-about .timeline-wrap {
    position: relative;
    max-width: 820px;
    margin: 0 auto;
    padding-left: 40px;
}
.page-about .timeline-wrap::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-primary);
    opacity: 0.3;
}
.page-about .timeline-item {
    position: relative;
    padding: 0 0 40px 30px;
}
.page-about .timeline-item:last-child {
    padding-bottom: 0;
}
.page-about .timeline-item .dot {
    position: absolute;
    left: -32px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--bg-body);
    box-shadow: 0 0 20px var(--color-primary-30);
    z-index: 1;
}
.page-about .timeline-item .year {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    margin-bottom: 4px;
}
.page-about .timeline-item .title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-bottom: 4px;
}
.page-about .timeline-item .desc {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--line-height-loose);
}

/* 关于我们 - 核心优势 */
.page-about .advantages {
    padding: 70px 0 60px;
}
.page-about .advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.page-about .advantage-card {
    padding: 32px 24px 28px;
    text-align: center;
}
.page-about .advantage-card .icon {
    font-size: 2.8rem;
    display: block;
    margin-bottom: 12px;
}
.page-about .advantage-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-bottom: 8px;
}
.page-about .advantage-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--line-height-loose);
}

/* 关于我们 - 资质荣誉 */
.page-about .honors {
    padding: 70px 0 60px;
    background: rgba(255, 255, 255, 0.015);
    border-radius: 40px 40px 0 0;
    border-top: 1px solid var(--color-primary-05);
}
.page-about .honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 20px;
}
.page-about .honor-card {
    padding: 28px 20px 24px;
    text-align: center;
}
.page-about .honor-card .icon {
    font-size: 2.8rem;
    display: block;
    margin-bottom: 10px;
}
.page-about .honor-card h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-bottom: 4px;
}
.page-about .honor-card p {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* 关于我们 - 愿景 */
.page-about .vision {
    padding: 70px 0 60px;
}
.page-about .vision-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.page-about .vision-card {
    padding: 32px 24px 28px;
    text-align: center;
}
.page-about .vision-card .icon {
    font-size: 2.8rem;
    display: block;
    margin-bottom: 12px;
}
.page-about .vision-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-bottom: 8px;
}
.page-about .vision-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--line-height-loose);
}

/* 关于我们 - CTA */
.page-about .cta-about {
    padding: 70px 0 60px;
    background: var(--bg-cta);
    border-top: 1px solid var(--color-primary-10);
    border-radius: 40px 40px 0 0;
    color: #fff;
    text-align: center;
}
.page-about .cta-about .section-title {
    color: #fff;
}
.page-about .cta-about .section-sub {
    color: var(--text-muted);
}
.page-about .cta-about .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.page-about .cta-about .cta-extra {
    margin-top: 24px;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}


/* ============================================================
   ⑤-4 联系我们页 .page-contact
   ============================================================ */
.page-contact .page-header {
    padding: 30px 0 50px;
    text-align: center;
    position: relative;
}
.page-contact .page-header::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-12) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-contact .page-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 12px;
}
.page-contact .page-header h1 span {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-hover));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.page-contact .page-header .desc {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: var(--line-height-loose);
}

/* 联系方式 */
.page-contact .contact-info {
    padding: 0 0 60px;
}
.page-contact .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.page-contact .contact-details {
    display: grid;
    gap: 24px;
}
.page-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}
.page-contact .contact-item:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
}
.page-contact .contact-item .icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    line-height: 1.4;
}
.page-contact .contact-item .info h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-bottom: 2px;
}
.page-contact .contact-item .info p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--line-height-normal);
}
.page-contact .contact-visual {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid var(--border-primary);
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.page-contact .contact-visual .icon-big {
    font-size: 5rem;
    margin-bottom: 16px;
}
.page-contact .contact-visual p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}
.page-contact .contact-visual .tag {
    margin-top: 12px;
}

/* 联系我们 - 表单 */
.page-contact .contact-form-section {
    padding: 70px 0 60px;
    background: rgba(255, 255, 255, 0.015);
    border-radius: 40px 40px 0 0;
    border-top: 1px solid var(--color-primary-05);
}
.page-contact .form-wrapper {
    max-width: 820px;
    margin: 0 auto;
}
.page-contact .form-card {
    padding: 40px 48px;
}
.page-contact .form-card .form-group {
    margin-bottom: 20px;
}
.page-contact .form-card label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.page-contact .form-card label .required {
    color: var(--color-primary);
    margin-left: 2px;
}
.page-contact .form-card input,
.page-contact .form-card textarea,
.page-contact .form-card select {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-input);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-white);
    font-size: var(--font-size-base);
    transition: border 0.2s, background 0.2s;
    font-family: inherit;
    line-height: var(--line-height-normal);
}
.page-contact .form-card input:focus,
.page-contact .form-card textarea:focus,
.page-contact .form-card select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
}
.page-contact .form-card input::placeholder,
.page-contact .form-card textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}
.page-contact .form-card textarea {
    min-height: 140px;
    resize: vertical;
}
.page-contact .form-card .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.page-contact .form-card .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 4px;
}
.page-contact .form-card .form-footnote {
    font-size: var(--font-size-xs);
    color: var(--text-dim);
    text-align: center;
    margin-top: 16px;
}

/* 联系我们 - FAQ */
.page-contact .faq-contact {
    padding: 70px 0 60px;
}
.page-contact .faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.page-contact .faq-item {
    overflow: hidden;
    padding: 0;
    border-radius: var(--radius-sm);
}
.page-contact .faq-item .faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 28px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-family: inherit;
    transition: background 0.2s;
}
.page-contact .faq-item .faq-question:hover {
    background: rgba(0, 212, 255, 0.03);
}
.page-contact .faq-item .faq-question .arrow {
    font-size: 1.2rem;
    transition: transform 0.25s ease;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-left: 16px;
}
.page-contact .faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
}
.page-contact .faq-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s ease;
    padding: 0 28px;
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
}
.page-contact .faq-item.open .faq-answer {
    max-height: 400px;
    padding: 0 28px 24px;
}

/* 联系我们 - 渠道入口 */
.page-contact .channels {
    padding: 70px 0 60px;
    background: rgba(255, 255, 255, 0.015);
    border-radius: 40px 40px 0 0;
    border-top: 1px solid var(--color-primary-05);
}
.page-contact .channels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.page-contact .channel-card {
    padding: 32px 24px 28px;
    text-align: center;
}
.page-contact .channel-card .qr-placeholder {
    width: 140px;
    height: 140px;
    margin: 0 auto 16px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    color: var(--text-muted);
    padding: 16px;
}
.page-contact .channel-card .qr-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.page-contact .channel-card h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-bottom: 4px;
}
.page-contact .channel-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}


/* ============================================================
   ⑤-5 资讯列表页 .page-news
   ============================================================ */
.page-news .page-header {
    padding: 30px 0 40px;
    text-align: center;
    position: relative;
}
.page-news .page-header::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-12) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-news .page-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 12px;
}
.page-news .page-header h1 span {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-hover));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.page-news .page-header .desc {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: var(--line-height-loose);
}

/* 资讯列表 - 分类标签 */
.page-news .category-tabs {
    padding: 0 0 40px;
}
.page-news .category-tabs .tabs-wrap {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.page-news .category-tabs .tab-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: 10px 28px;
    border-radius: var(--radius-btn);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
}
.page-news .category-tabs .tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--bg-card-hover);
}
.page-news .category-tabs .tab-btn.active {
    background: var(--color-primary);
    color: var(--bg-body);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-btn);
}

/* 资讯列表 - 文章卡片网格 */
.page-news .news-main {
    padding: 0 0 60px;
}
.page-news .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1020px;
    margin: 0 auto;
}
.page-news .news-item {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
    transition: all 0.3s ease;
}
.page-news .news-item:hover {
    transform: translateY(-6px);
}
.page-news .news-item .cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    flex-shrink: 0;
    background: var(--bg-card-hover);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.page-news .news-item .cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.page-news .news-item .cover .cat-tag-cover {
    position: absolute;
    top: 12px;
    left: 14px;
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    background: var(--color-primary-dim);
    padding: 3px 14px;
    border-radius: var(--radius-tag);
    border: 1px solid var(--color-primary-20);
    font-weight: var(--font-weight-medium);
    backdrop-filter: blur(4px);
    letter-spacing: 0.3px;
}
.page-news .news-item .info {
    padding: 20px 22px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.page-news .news-item .info h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-bottom: 8px;
    line-height: var(--line-height-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.page-news .news-item .info h3 a {
    color: inherit;
}
.page-news .news-item .info h3 a:hover {
    color: var(--color-primary);
}
.page-news .news-item .info .summary {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--line-height-loose);
    margin-bottom: 14px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.page-news .news-item .info .meta {
    display: flex;
    gap: 16px;
    font-size: var(--font-size-xs);
    color: var(--text-dim);
    flex-wrap: wrap;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}
.page-news .news-item .info .meta .dot {
    color: var(--text-dim);
    opacity: var(--opacity-low);
}


/* ============================================================
   ⑤-6 资讯详情页 .page-news-detail
   ============================================================ */
.page-news-detail .article-header {
    padding: 10px 0 30px;
}
.page-news-detail .article-header .cat-tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    background: var(--color-primary-dim);
    padding: 4px 16px;
    border-radius: var(--radius-tag);
    border: 1px solid var(--color-primary-20);
    font-weight: var(--font-weight-medium);
    margin-bottom: 12px;
}
.page-news-detail .article-header h1 {
    margin-bottom: 12px;
}
.page-news-detail .article-header .meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.page-news-detail .article-header .meta .dot {
    color: var(--text-dim);
    opacity: var(--opacity-low);
}

.page-news-detail .article-body {
    padding: 0 0 50px;
}
.page-news-detail .article-body .content-card {
    padding: 40px 48px;
    max-width: 860px;
    margin: 0 auto;
}
.page-news-detail .article-body .content-card p {
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    margin-bottom: 20px;
}
.page-news-detail .article-body .content-card h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-top: 32px;
    margin-bottom: 12px;
}
.page-news-detail .article-body .content-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-top: 24px;
    margin-bottom: 10px;
}
.page-news-detail .article-body .content-card .article-image {
    margin: 24px 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-primary);
}
.page-news-detail .article-body .content-card .article-image img {
    width: 100%;
    height: auto;
    display: block;
}
.page-news-detail .article-body .content-card .article-image .caption {
    padding: 10px 16px;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    background: var(--bg-card);
    text-align: center;
}
.page-news-detail .article-body .content-card ul,
.page-news-detail .article-body .content-card ol {
    padding-left: 24px;
    margin: 16px 0 20px;
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
}
.page-news-detail .article-body .content-card ul li,
.page-news-detail .article-body .content-card ol li {
    margin-bottom: 8px;
    font-size: var(--font-size-base);
}
.page-news-detail .article-body .content-card blockquote {
    margin: 24px 0;
    padding: 16px 24px;
    border-left: 4px solid var(--color-primary);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-style: italic;
    line-height: var(--line-height-loose);
}
.page-news-detail .article-body .content-card blockquote cite {
    display: block;
    margin-top: 8px;
    font-style: normal;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.page-news-detail .article-body .content-card .internal-link {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.page-news-detail .article-body .content-card .highlight-box {
    margin: 24px 0;
    padding: 20px 24px;
    background: var(--color-primary-dim);
    border: 1px solid var(--color-primary-20);
    border-radius: var(--radius-sm);
}
.page-news-detail .article-body .content-card .highlight-box p {
    margin-bottom: 0;
    color: var(--text-secondary);
}
.page-news-detail .article-body .content-card .highlight-box strong {
    color: var(--text-white);
}

/* 资讯详情 - 相关推荐 */
.page-news-detail .related-articles {
    padding: 0 0 60px;
}
.page-news-detail .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}
.page-news-detail .related-item {
    padding: 20px 22px 22px;
    transition: all 0.3s ease;
}
.page-news-detail .related-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
}
.page-news-detail .related-item .cat-tag-sm {
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    background: var(--color-primary-dim);
    padding: 2px 12px;
    border-radius: var(--radius-tag);
    display: inline-block;
    margin-bottom: 6px;
    border: 1px solid var(--color-primary-20);
}
.page-news-detail .related-item h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-bottom: 4px;
}
.page-news-detail .related-item h4 a {
    color: inherit;
}
.page-news-detail .related-item h4 a:hover {
    color: var(--color-primary);
}
.page-news-detail .related-item .meta-sm {
    font-size: var(--font-size-xs);
    color: var(--text-dim);
}

/* 资讯详情 - 上一篇/下一篇 */
.page-news-detail .post-nav {
    padding: 0 0 50px;
}
.page-news-detail .post-nav .nav-wrap {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    max-width: 860px;
    margin: 0 auto;
    padding: 20px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}
.page-news-detail .post-nav .nav-wrap a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--text-secondary);
    transition: color 0.2s;
    max-width: 45%;
}
.page-news-detail .post-nav .nav-wrap a:hover {
    color: var(--color-primary);
}
.page-news-detail .post-nav .nav-wrap a .label {
    font-size: var(--font-size-xs);
    color: var(--text-dim);
}
.page-news-detail .post-nav .nav-wrap a .title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}
.page-news-detail .post-nav .nav-wrap a.next {
    text-align: right;
}

/* 资讯详情 - CTA */
.page-news-detail .cta-article {
    padding: 60px 0 60px;
    background: var(--bg-cta);
    border-top: 1px solid var(--border-primary);
    border-radius: 40px 40px 0 0;
    color: #fff;
    text-align: center;
}
.page-news-detail .cta-article .section-title {
    color: #fff;
}
.page-news-detail .cta-article .section-sub {
    color: var(--text-muted);
}
.page-news-detail .cta-article .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.page-news-detail .cta-article .cta-extra {
    margin-top: 20px;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}


/* ============================================================
   ⑤-7 常见问题页 .page-faq
   ============================================================ */
.page-faq .faq-header {
    padding: 10px 0 30px;
    text-align: center;
    position: relative;
}
.page-faq .faq-header::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-12) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-faq .faq-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 12px;
}
.page-faq .faq-header h1 span {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-hover));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.page-faq .faq-header .desc {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 20px;
    line-height: var(--line-height-loose);
}
.page-faq .faq-header .search-box {
    position: relative;
    z-index: 1;
    max-width: 520px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-btn);
    padding: 4px 4px 4px 20px;
    transition: border-color 0.3s ease;
}
.page-faq .faq-header .search-box:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px var(--color-primary-10);
}
.page-faq .faq-header .search-box .search-icon {
    font-size: 1.2rem;
    color: var(--text-muted);
    flex-shrink: 0;
}
.page-faq .faq-header .search-box input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    color: var(--text-white);
    font-family: inherit;
    outline: none;
}
.page-faq .faq-header .search-box input::placeholder {
    color: var(--text-dim);
}
.page-faq .faq-header .search-box .btn-search {
    background: var(--color-primary);
    color: var(--bg-body);
    border: none;
    padding: 10px 28px;
    border-radius: var(--radius-btn);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    cursor: default;
    transition: background 0.25s ease;
    flex-shrink: 0;
}

/* FAQ - 分类标签 */
.page-faq .faq-tabs {
    padding: 0 0 40px;
}
.page-faq .faq-tabs .tabs-wrap {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.page-faq .faq-tabs .tab-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: 10px 28px;
    border-radius: var(--radius-btn);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
}
.page-faq .faq-tabs .tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--bg-card-hover);
}
.page-faq .faq-tabs .tab-btn.active {
    background: var(--color-primary);
    color: var(--bg-body);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-btn);
}

/* FAQ - 列表区 */
.page-faq .faq-list-section {
    padding: 0 0 60px;
}
.page-faq .faq-list-section .faq-group {
    display: none;
    max-width: 820px;
    margin: 0 auto;
    flex-direction: column;
    gap: 12px;
}
.page-faq .faq-list-section .faq-group.active {
    display: flex;
}
.page-faq .faq-item {
    overflow: hidden;
    transition: all 0.2s ease;
}
.page-faq .faq-item:hover {
    border-color: var(--color-primary-20);
}
.page-faq .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: background 0.2s ease;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    color: var(--text-white);
    user-select: none;
    position: relative;
}
.page-faq .faq-item summary::-webkit-details-marker {
    display: none;
}
.page-faq .faq-item summary:hover {
    background: var(--bg-card-hover);
}
.page-faq .faq-item summary .arrow {
    font-size: 1.2rem;
    color: var(--color-primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.page-faq .faq-item[open] summary .arrow {
    transform: rotate(180deg);
}
.page-faq .faq-item summary h3 {
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
    margin: 0;
    flex: 1;
}
.page-faq .faq-item .faq-answer {
    padding: 0 28px 22px;
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
}
.page-faq .faq-item .faq-answer p {
    margin-bottom: 10px;
    font-size: var(--font-size-base);
}
.page-faq .faq-item .faq-answer ul {
    padding-left: 24px;
    margin: 8px 0 12px;
}
.page-faq .faq-item .faq-answer ul li {
    margin-bottom: 6px;
    font-size: var(--font-size-base);
}
.page-faq .faq-item .faq-answer .highlight-box {
    background: var(--color-primary-dim);
    border-left: 3px solid var(--color-primary);
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    margin: 12px 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.page-faq .faq-item .faq-answer .highlight-box strong {
    color: var(--text-secondary);
}

/* FAQ - CTA */
.page-faq .faq-cta {
    padding: 60px 0 60px;
    background: var(--bg-cta);
    border-top: 1px solid var(--border-primary);
    border-radius: 40px 40px 0 0;
    color: #fff;
    text-align: center;
}
.page-faq .faq-cta .section-title {
    color: #fff;
}
.page-faq .faq-cta .section-sub {
    color: var(--text-muted);
}
.page-faq .faq-cta .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.page-faq .faq-cta .cta-extra {
    margin-top: 20px;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* FAQ - 相关推荐 */
.page-faq .related-faq {
    padding: 60px 0 50px;
}
.page-faq .related-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 40px;
    max-width: 820px;
    margin: 0 auto;
}
.page-faq .related-list a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    transition: color 0.2s;
    font-size: var(--font-size-sm);
}
.page-faq .related-list a:hover {
    color: var(--color-primary);
}
.page-faq .related-list .meta {
    display: block;
    font-weight: var(--font-weight-regular);
    font-size: var(--font-size-xs);
    color: var(--text-dim);
    margin-top: 2px;
}


/* ============================================================
   ⑤-8 隐私政策页 .page-privacy
   ============================================================ */
.page-privacy .legal-header {
    padding: 30px 0 40px;
    text-align: center;
    position: relative;
}
.page-privacy .legal-header::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-12) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-privacy .legal-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 8px;
}
.page-privacy .legal-header .update-date {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.page-privacy .legal-header .update-date .label {
    color: var(--text-dim);
}
.page-privacy .legal-header .update-date .value {
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.page-privacy .privacy-content {
    padding: 0 0 70px;
}
.page-privacy .privacy-content .content-card {
    padding: 40px 48px;
    max-width: 900px;
    margin: 0 auto;
}
.page-privacy .privacy-content .content-card p {
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    margin-bottom: 16px;
}
.page-privacy .privacy-content .content-card .chapter {
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--border-light);
}
.page-privacy .privacy-content .content-card .chapter:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}
.page-privacy .privacy-content .content-card .chapter h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-bottom: 12px;
}
.page-privacy .privacy-content .content-card .chapter h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-top: 20px;
    margin-bottom: 8px;
}
.page-privacy .privacy-content .content-card .chapter ul {
    list-style: none;
    padding: 0;
    margin: 8px 0 16px 0;
}
.page-privacy .privacy-content .content-card .chapter ul li {
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    padding-left: 24px;
    position: relative;
    margin-bottom: 6px;
}
.page-privacy .privacy-content .content-card .chapter ul li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}
.page-privacy .privacy-content .content-card .chapter .highlight {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}
.page-privacy .privacy-content .content-card .chapter .legal-note {
    background: var(--bg-card);
    border-left: 3px solid var(--color-primary);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin: 16px 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.page-privacy .privacy-content .content-card .chapter .legal-note strong {
    color: var(--text-secondary);
}


/* ============================================================
   ⑤-9 用户协议页 .page-agreement
   ============================================================ */
.page-agreement .legal-header {
    padding: 30px 0 40px;
    text-align: center;
    position: relative;
}
.page-agreement .legal-header::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-12) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.page-agreement .legal-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 8px;
}
.page-agreement .legal-header .update-date {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.page-agreement .legal-header .update-date .label {
    color: var(--text-dim);
}
.page-agreement .legal-header .update-date .value {
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.page-agreement .agreement-content {
    padding: 0 0 70px;
}
.page-agreement .agreement-content .content-card {
    padding: 40px 48px;
    max-width: 900px;
    margin: 0 auto;
}
.page-agreement .agreement-content .content-card p {
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    margin-bottom: 16px;
}
.page-agreement .agreement-content .content-card .chapter {
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--border-light);
}
.page-agreement .agreement-content .content-card .chapter:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}
.page-agreement .agreement-content .content-card .chapter h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-bottom: 12px;
}
.page-agreement .agreement-content .content-card .chapter h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
    margin-top: 20px;
    margin-bottom: 8px;
}
.page-agreement .agreement-content .content-card .chapter ul {
    list-style: none;
    padding: 0;
    margin: 8px 0 16px 0;
}
.page-agreement .agreement-content .content-card .chapter ul li {
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    padding-left: 24px;
    position: relative;
    margin-bottom: 6px;
}
.page-agreement .agreement-content .content-card .chapter ul li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}
.page-agreement .agreement-content .content-card .chapter .agreement-list {
    list-style: decimal;
    padding-left: 24px;
    margin: 8px 0 16px 0;
    color: var(--text-secondary);
    line-height: var(--line-height-loose);
}
.page-agreement .agreement-content .content-card .chapter .agreement-list li {
    margin-bottom: 6px;
    font-size: var(--font-size-base);
    padding-left: 0;
}
.page-agreement .agreement-content .content-card .chapter .agreement-list li::before {
    display: none;
}
.page-agreement .agreement-content .content-card .chapter .agreement-list li strong {
    color: var(--text-white);
}
.page-agreement .agreement-content .content-card .chapter .highlight {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}
.page-agreement .agreement-content .content-card .chapter .legal-note {
    background: var(--bg-card);
    border-left: 3px solid var(--color-primary);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin: 16px 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.page-agreement .agreement-content .content-card .chapter .legal-note strong {
    color: var(--text-secondary);
}


/* ============================================================
   ⑥ 响应式适配规则（全站统一）
   ============================================================ */

/* ---- 大屏/平板适配 (≤1024px) ---- */
@media (max-width: 1024px) {
    /* 首页 - 四列变两列 */
    .page-home .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-home .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-home .service-detail-grid {
        grid-template-columns: 1fr;
    }
    .page-home .form-wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* 下载页 - 四列变两列 */
    .page-download .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-download .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 关于我们 - 四列变两列 */
    .page-about .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-about .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-about .vision-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-about .intro-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* 联系我们 - 两列变单列 */
    .page-contact .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* 资讯列表 - 三列变两列 */
    .page-news .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        max-width: 720px;
    }

    /* 资讯详情 - 三列变两列 */
    .page-news-detail .related-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 600px;
    }

    /* 联系我们 - 三列不变，但调整间距 */
    .page-contact .channels-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ---- 平板/手机适配 (≤768px) ---- */
@media (max-width: 768px) {
    /* 全局变量覆盖 */
    :root {
        --font-size-4xl: 2.2rem;
        --font-size-3xl: 1.7rem;
        --container-padding: 16px;
    }

    .section-sub {
        font-size: var(--font-size-base);
    }

    /* ---- 导航适配 ---- */
    .site-header .navbar {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 14px 0;
        position: relative;
    }
    .site-header .logo-area {
        flex: 1;
    }
    .site-header .hamburger {
        display: flex;
    }
    .site-header .nav-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 12px;
        padding: 16px 0 8px;
        border-top: 1px solid var(--border-primary);
        margin-top: 8px;
    }
    .site-header .nav-links.open {
        display: flex;
    }
    .site-header .nav-links a {
        padding: 6px 0;
        font-size: var(--font-size-base);
        text-align: center;
    }
    .site-header .nav-links a.active::after {
        bottom: 0;
    }
    .site-header .nav-dl-btn {
        text-align: center;
        padding: 10px 0;
        width: 100%;
    }

    /* ---- 面包屑 ---- */
    .breadcrumb {
        font-size: var(--font-size-xs);
    }

    /* ---- 首页适配 ---- */
    .page-home .hero h1 {
        font-size: var(--font-size-4xl);
    }
    .page-home .hero p {
        font-size: var(--font-size-base);
    }
    .page-home .hero .hero-stats {
        gap: 24px;
    }
    .page-home .hero .hero-stats .stat-number {
        font-size: 1.5rem;
    }
    .page-home .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .page-home .feature-card {
        padding: 20px 16px;
    }
    .page-home .feature-card .icon {
        font-size: 2rem;
    }
    .page-home .cases-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .page-home .case-card {
        padding: 20px 14px;
    }
    .page-home .platform-tabs {
        gap: 8px;
    }
    .page-home .platform-tab {
        padding: 8px 16px;
        font-size: var(--font-size-xs);
    }
    .page-home .related-list {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .page-home .trust-badges {
        gap: 20px;
    }
    .page-home .form-wrapper {
        gap: 24px;
    }
    .page-home .form-right {
        padding: 24px 18px;
    }
    .page-home .faq-item .faq-question {
        padding: 16px 20px;
        font-size: var(--font-size-sm);
    }
    .page-home .faq-item .faq-answer {
        font-size: var(--font-size-sm);
    }
    .page-home .faq-item.open .faq-answer {
        padding: 0 20px 18px;
    }

    /* ---- 下载页适配 ---- */
    .page-download .hero-download h1 {
        font-size: var(--font-size-4xl);
    }
    .page-download .hero-download .hero-desc {
        font-size: var(--font-size-base);
    }
    .page-download .download-platforms {
        gap: 12px;
    }
    .page-download .download-platforms .dl-btn {
        min-width: 100px;
        padding: 14px 20px;
    }
    .page-download .download-platforms .dl-btn .platform-icon {
        font-size: 1.8rem;
    }
    .page-download .version-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 20px;
    }
    .page-download .version-card .version-left {
        width: 100%;
    }
    .page-download .version-card .version-changelog {
        max-width: 100%;
    }
    .page-download .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .page-download .feature-card {
        padding: 20px 16px;
    }
    .page-download .feature-card .icon {
        font-size: 2rem;
    }
    .page-download .steps-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .page-download .step-item {
        padding: 24px 16px 20px;
    }
    .page-download .faq-item .faq-question {
        padding: 16px 20px;
        font-size: var(--font-size-sm);
    }
    .page-download .faq-item .faq-answer {
        font-size: var(--font-size-sm);
    }
    .page-download .faq-item.open .faq-answer {
        padding: 0 20px 18px;
    }
    .page-download .cta-download .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .page-download .cta-download .cta-buttons .btn-primary,
    .page-download .cta-download .cta-buttons .btn-primary-outline {
        width: 100%;
        justify-content: center;
    }

    /* ---- 关于我们页适配 ---- */
    .page-about .brand-header h1 {
        font-size: var(--font-size-4xl);
    }
    .page-about .brand-header .slogan {
        font-size: var(--font-size-lg);
    }
    .page-about .brand-header .desc {
        font-size: var(--font-size-base);
    }
    .page-about .advantages-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .page-about .advantage-card {
        padding: 20px 16px;
    }
    .page-about .advantage-card .icon {
        font-size: 2rem;
    }
    .page-about .honors-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .page-about .honor-card {
        padding: 20px 14px;
    }
    .page-about .vision-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .page-about .vision-card {
        padding: 20px 16px;
    }
    .page-about .timeline-wrap {
        padding-left: 28px;
    }
    .page-about .timeline-wrap::before {
        left: 8px;
    }
    .page-about .timeline-item {
        padding: 0 0 30px 20px;
    }
    .page-about .timeline-item .dot {
        left: -24px;
        width: 12px;
        height: 12px;
    }
    .page-about .timeline-item .year {
        font-size: var(--font-size-lg);
    }
    .page-about .timeline-item .title {
        font-size: var(--font-size-base);
    }
    .page-about .cta-about .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .page-about .cta-about .cta-buttons .btn-primary,
    .page-about .cta-about .cta-buttons .btn-primary-outline {
        width: 100%;
        justify-content: center;
    }

    /* ---- 联系我们页适配 ---- */
    .page-contact .page-header h1 {
        font-size: var(--font-size-4xl);
    }
    .page-contact .page-header .desc {
        font-size: var(--font-size-base);
    }
    .page-contact .form-card {
        padding: 24px 20px;
    }
    .page-contact .form-card .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .page-contact .channels-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .page-contact .channel-card {
        padding: 20px 16px;
    }
    .page-contact .channel-card .qr-placeholder {
        width: 100px;
        height: 100px;
    }
    .page-contact .contact-item {
        padding: 16px 18px;
    }
    .page-contact .faq-item .faq-question {
        padding: 16px 20px;
        font-size: var(--font-size-sm);
    }
    .page-contact .faq-item .faq-answer {
        font-size: var(--font-size-sm);
    }
    .page-contact .faq-item.open .faq-answer {
        padding: 0 20px 18px;
    }

    /* ---- 资讯列表页适配 ---- */
    .page-news .page-header h1 {
        font-size: var(--font-size-4xl);
    }
    .page-news .page-header .desc {
        font-size: var(--font-size-base);
    }
    .page-news .category-tabs .tabs-wrap {
        gap: 8px;
    }
    .page-news .category-tabs .tab-btn {
        padding: 6px 16px;
        font-size: var(--font-size-xs);
    }
    .page-news .news-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
        max-width: 100%;
    }
    .page-news .news-item .info {
        padding: 16px 16px 18px;
    }
    .page-news .news-item .info h3 {
        font-size: var(--font-size-sm);
    }
    .page-news .news-item .info .summary {
        font-size: var(--font-size-xs);
        -webkit-line-clamp: 2;
    }

    /* ---- 资讯详情页适配 ---- */
    .page-news-detail .article-header h1 {
        font-size: var(--font-size-4xl);
    }
    .page-news-detail .article-header .meta {
        font-size: var(--font-size-xs);
        gap: 12px;
    }
    .page-news-detail .article-body .content-card {
        padding: 24px 20px;
    }
    .page-news-detail .article-body .content-card h2 {
        font-size: var(--font-size-xl);
    }
    .page-news-detail .article-body .content-card h3 {
        font-size: var(--font-size-base);
    }
    .page-news-detail .article-body .content-card p {
        font-size: var(--font-size-sm);
    }
    .page-news-detail .article-body .content-card ul li,
    .page-news-detail .article-body .content-card ol li {
        font-size: var(--font-size-sm);
    }
    .page-news-detail .article-body .content-card blockquote {
        padding: 12px 16px;
        font-size: var(--font-size-sm);
    }
    .page-news-detail .related-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        max-width: 100%;
    }
    .page-news-detail .related-item {
        padding: 16px 16px 18px;
    }
    .page-news-detail .related-item h4 {
        font-size: var(--font-size-sm);
    }
    .page-news-detail .post-nav .nav-wrap {
        flex-direction: column;
        gap: 16px;
        padding: 16px 0;
    }
    .page-news-detail .post-nav .nav-wrap a {
        max-width: 100%;
    }
    .page-news-detail .post-nav .nav-wrap a.next {
        text-align: left;
    }
    .page-news-detail .cta-article .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .page-news-detail .cta-article .cta-buttons .btn-primary,
    .page-news-detail .cta-article .cta-buttons .btn-primary-outline {
        width: 100%;
        justify-content: center;
    }

    /* ---- 常见问题页适配 ---- */
    .page-faq .faq-header h1 {
        font-size: var(--font-size-4xl);
    }
    .page-faq .faq-header .desc {
        font-size: var(--font-size-base);
    }
    .page-faq .faq-header .search-box {
        padding: 4px 4px 4px 16px;
    }
    .page-faq .faq-header .search-box input {
        padding: 10px 12px;
        font-size: var(--font-size-sm);
    }
    .page-faq .faq-header .search-box .btn-search {
        padding: 8px 18px;
        font-size: var(--font-size-xs);
    }
    .page-faq .faq-tabs .tabs-wrap {
        gap: 8px;
    }
    .page-faq .faq-tabs .tab-btn {
        padding: 6px 16px;
        font-size: var(--font-size-xs);
    }
    .page-faq .faq-item summary {
        padding: 14px 18px;
        font-size: var(--font-size-sm);
    }
    .page-faq .faq-item .faq-answer {
        padding: 0 18px 16px;
    }
    .page-faq .faq-item .faq-answer p {
        font-size: var(--font-size-sm);
    }
    .page-faq .faq-item .faq-answer ul li {
        font-size: var(--font-size-sm);
    }
    .page-faq .related-list {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .page-faq .faq-cta .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .page-faq .faq-cta .cta-buttons .btn-primary,
    .page-faq .faq-cta .cta-buttons .btn-primary-outline {
        width: 100%;
        justify-content: center;
    }

    /* ---- 隐私政策/用户协议页适配 ---- */
    .page-privacy .legal-header h1,
    .page-agreement .legal-header h1 {
        font-size: var(--font-size-4xl);
    }
    .page-privacy .privacy-content .content-card,
    .page-agreement .agreement-content .content-card {
        padding: 24px 20px;
    }
    .page-privacy .privacy-content .content-card .chapter h2,
    .page-agreement .agreement-content .content-card .chapter h2 {
        font-size: var(--font-size-xl);
    }
    .page-privacy .privacy-content .content-card .chapter h3,
    .page-agreement .agreement-content .content-card .chapter h3 {
        font-size: var(--font-size-base);
    }
    .page-privacy .privacy-content .content-card .chapter ul li,
    .page-agreement .agreement-content .content-card .chapter ul li {
        font-size: var(--font-size-sm);
    }
    .page-privacy .privacy-content .content-card .chapter .agreement-list li,
    .page-agreement .agreement-content .content-card .chapter .agreement-list li {
        font-size: var(--font-size-sm);
    }
    .page-privacy .privacy-content .content-card .chapter .legal-note,
    .page-agreement .agreement-content .content-card .chapter .legal-note {
        padding: 12px 16px;
        font-size: var(--font-size-xs);
    }

    /* ---- 分页 ---- */
    .pagination a,
    .pagination .page-current {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: var(--font-size-xs);
    }

    /* ---- 页脚 ---- */
    .site-footer .footer-links {
        gap: 16px;
    }
}

/* ---- 手机小屏适配 (≤480px) ---- */
@media (max-width: 480px) {
    :root {
        --font-size-4xl: 1.8rem;
    }

    /* ---- 首页 ---- */
    .page-home .features-grid {
        grid-template-columns: 1fr;
    }
    .page-home .cases-grid {
        grid-template-columns: 1fr;
    }
    .page-home .hero h1 {
        font-size: var(--font-size-4xl);
    }
    .page-home .hero .hero-stats {
        gap: 16px;
    }
    .page-home .hero .btn-group {
        flex-direction: column;
        align-items: center;
    }
    .page-home .hero .btn-group .btn-primary,
    .page-home .hero .btn-group .btn-primary-outline {
        width: 100%;
        justify-content: center;
    }
    .page-home .service-detail-item {
        padding: 14px 16px;
    }
    .page-home .service-detail-grid {
        grid-template-columns: 1fr;
    }

    /* ---- 下载页 ---- */
    .page-download .hero-download h1 {
        font-size: var(--font-size-4xl);
    }
    .page-download .download-platforms {
        flex-direction: column;
        align-items: center;
    }
    .page-download .download-platforms .dl-btn {
        width: 100%;
        max-width: 280px;
        flex-direction: row;
        justify-content: center;
        gap: 12px;
        padding: 14px 20px;
    }
    .page-download .download-platforms .dl-btn .platform-icon {
        font-size: 1.6rem;
        margin-bottom: 0;
    }
    .page-download .version-card .version-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .page-download .features-grid {
        grid-template-columns: 1fr;
    }
    .page-download .steps-grid {
        grid-template-columns: 1fr;
    }
    .page-download .cta-download .cta-buttons .btn-primary,
    .page-download .cta-download .cta-buttons .btn-primary-outline {
        width: 100%;
        justify-content: center;
    }

    /* ---- 关于我们 ---- */
    .page-about .advantages-grid {
        grid-template-columns: 1fr;
    }
    .page-about .honors-grid {
        grid-template-columns: 1fr;
    }
    .page-about .vision-grid {
        grid-template-columns: 1fr;
    }
    .page-about .intro-visual {
        min-height: 180px;
        padding: 24px 16px;
    }
    .page-about .intro-visual .icon-big {
        font-size: 3.2rem;
    }
    .page-about .cta-about .cta-buttons .btn-primary,
    .page-about .cta-about .cta-buttons .btn-primary-outline {
        width: 100%;
        justify-content: center;
    }
    .page-about .timeline-item .desc {
        font-size: var(--font-size-xs);
    }

    /* ---- 联系我们 ---- */
    .page-contact .page-header h1 {
        font-size: var(--font-size-4xl);
    }
    .page-contact .channels-grid {
        grid-template-columns: 1fr;
    }
    .page-contact .contact-visual {
        min-height: 180px;
        padding: 24px 16px;
    }
    .page-contact .contact-visual .icon-big {
        font-size: 3.2rem;
    }
    .page-contact .faq-item .faq-question {
        padding: 16px 18px;
        font-size: var(--font-size-sm);
    }
    .page-contact .faq-item .faq-answer {
        font-size: var(--font-size-sm);
        padding: 0 18px;
    }
    .page-contact .faq-item.open .faq-answer {
        padding: 0 18px 18px;
    }

    /* ---- 资讯列表 ---- */
    .page-news .page-header h1 {
        font-size: var(--font-size-4xl);
    }
    .page-news .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 440px;
    }
    .page-news .news-item .cover {
        aspect-ratio: 16 / 10;
    }
    .page-news .news-item .info .meta {
        gap: 12px;
        font-size: var(--font-size-xs);
    }

    /* ---- 资讯详情 ---- */
    .page-news-detail .article-body .content-card {
        padding: 18px 14px;
    }
    .page-news-detail .related-grid {
        grid-template-columns: 1fr;
        max-width: 380px;
    }
    .page-news-detail .article-body .content-card .article-image .caption {
        font-size: var(--font-size-xs);
        padding: 6px 12px;
    }

    /* ---- 常见问题 ---- */
    .page-faq .faq-header .search-box {
        flex-wrap: wrap;
        padding: 8px;
        border-radius: var(--radius-sm);
    }
    .page-faq .faq-header .search-box .search-icon {
        display: none;
    }
    .page-faq .faq-header .search-box input {
        width: 100%;
        padding: 10px 14px;
        border-radius: var(--radius-sm);
        background: var(--bg-card-hover);
    }
    .page-faq .faq-header .search-box .btn-search {
        width: 100%;
        justify-content: center;
        margin-top: 6px;
        padding: 10px 0;
    }
    .page-faq .faq-item summary {
        padding: 12px 14px;
        font-size: var(--font-size-sm);
    }
    .page-faq .faq-item summary .arrow {
        font-size: 1rem;
    }
    .page-faq .faq-item .faq-answer {
        padding: 0 14px 14px;
    }

    /* ---- 隐私政策/用户协议 ---- */
    .page-privacy .privacy-content .content-card,
    .page-agreement .agreement-content .content-card {
        padding: 18px 14px;
    }
    .page-privacy .privacy-content .content-card p,
    .page-agreement .agreement-content .content-card p {
        font-size: var(--font-size-sm);
    }
    .page-privacy .privacy-content .content-card .chapter ul li,
    .page-agreement .agreement-content .content-card .chapter ul li {
        font-size: var(--font-size-xs);
    }
    .page-privacy .privacy-content .content-card .chapter .agreement-list li,
    .page-agreement .agreement-content .content-card .chapter .agreement-list li {
        font-size: var(--font-size-xs);
    }

    /* ---- 分页 ---- */
    .pagination a,
    .pagination .page-current {
        min-width: 32px;
        height: 32px;
        padding: 0 8px;
        font-size: var(--font-size-xs);
    }

    /* ---- 全局按钮 ---- */
    .btn-primary,
    .btn-primary-outline {
        width: 100%;
        justify-content: center;
    }
}