/* ================================================================
   1. 全局重置 & 基础（仅保留一份）
   ================================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: #f0f9ff;
    color: #0f2b3d;
    line-height: 1.5;
    scroll-behavior: smooth;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.08) 0%, #f0f9ff 90%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ================================================================
   2. 通用组件（仅保留一份）
   ================================================================ */

/* ----- 标题组件 ----- */
.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #0f2b3d;
}
.section-title i {
    color: #2563eb;
    margin-right: 8px;
}
.section-sub {
    text-align: center;
    color: #5b7c9e;
    max-width: 600px;
    margin: 0 auto 56px;
}
.section-badge,
.badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 6px 14px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 6px;
}

/* ----- 按钮 ----- */
.btn-primary {
    background: linear-gradient(105deg, #2563eb, #1d4ed8);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover {
    background: linear-gradient(105deg, #3b82f6, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(59, 130, 246, 0.35);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid #93c5fd;
    color: #1e4a76;
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-outline:hover {
    border-color: #2563eb;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.05);
}

/* ----- 导航栏（全局） ----- */
.navbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.25);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 12px 0;
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-area a {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.logo-img {
    height: 44px;
    width: auto;
    display: block;
}
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: transparent;
    border: none;
    outline: none;
    z-index: 101;
}
.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: #1e4a76;
    border-radius: 4px;
    transition: all 0.3s ease;
    transform-origin: center;
}
.nav-links {
    display: flex;
    gap: 4px;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}
.nav-links li a {
    padding: 8px 16px;
    border-radius: 40px;
    font-weight: 500;
    color: #1e4a76;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.nav-links li a:hover {
    background: rgba(37, 99, 235, 0.08);
    color: #2563eb;
}
.nav-links li a i {
    color: #2563eb;
    font-size: 0.85rem;
}
.nav-links li a.active {
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    font-weight: 600;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.btn-download-nav {
    background: linear-gradient(105deg, #2563eb, #1d4ed8);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}
.btn-download-nav:hover {
    background: linear-gradient(105deg, #3b82f6, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
    color: #fff !important;
}
.btn-download-nav i {
    font-size: 1rem;
}

/* ----- 通用页面标题区（用于关于/下载/功能等内页） ----- */
.page-header {
    padding: 50px 0 30px;
    background: linear-gradient(135deg, #eef5ff 0%, #ffffff 100%);
    border-bottom: 1px solid rgba(37, 99, 235, 0.06);
}
.page-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #0f2b3d;
    text-align: center;
    margin-bottom: 10px;
}
.page-header h1 i {
    color: #2563eb;
    margin-right: 12px;
}
.page-header .sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1.1rem;
    max-width: 640px;
    margin: 0 auto;
}
.page-header .breadcrumb {
    text-align: center;
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-top: 10px;
}
.page-header .breadcrumb a {
    color: #2563eb;
    text-decoration: none;
}
.page-header .breadcrumb a:hover {
    text-decoration: underline;
}

/* ----- 页脚（全局） ----- */
.footer {
    background: #eef5ff;
    border-top: 1px solid #dbeafe;
    color: #4b6b8f;
    padding: 48px 0 32px;
    text-align: center;
}
.footer a {
    color: #4b6b8f;
    text-decoration: none;
}
.footer a:hover {
    color: #2563eb;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}
.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.04);
    color: #4b6b8f;
    transition: 0.3s;
    font-size: 1.2rem;
}
.footer-social a:hover {
    background: #2563eb;
    color: #fff;
    transform: translateY(-2px);
}

/* ----- 返回顶部（全局） ----- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(105deg, #2563eb, #1d4ed8);
    color: #fff;
    border: none;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
}

/* ================================================================
   3. 各页面独有样式（按区块组织）
   ================================================================ */

/* ----- 3.1 首页 ( .page-home ) ----- */
.page-home .hero {
    padding: 70px 0 60px;
    background: linear-gradient(135deg, #eef5ff 0%, #ffffff 100%);
}
.page-home .hero-grid {
    display: flex;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}
.page-home .hero-left {
    flex: 1.2;
    min-width: 280px;
}
.page-home .hero-right {
    flex: 1;
    min-width: 260px;
}
.page-home .showcase-main {
    background: #ffffff;
    border-radius: 32px;
    padding: 16px;
    text-align: center;
    border: 1px solid #bfdbfe;
    box-shadow: 0 20px 32px -12px rgba(0, 0, 0, 0.08);
}
.page-home .floating-img {
    max-width: 100%;
    border-radius: 20px;
    display: block;
    margin: 0 auto;
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}
.page-home .hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #0f2b3d;
}
.page-home .hero-highlight {
    color: #2563eb;
}
.page-home .hero-desc {
    font-size: 1.2rem;
    color: #4b6b8f;
    margin-bottom: 32px;
    max-width: 500px;
}
.page-home .platform-badge {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 16px;
}
.page-home .platform-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #eef2ff;
    padding: 6px 16px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid #c7d2fe;
    color: #1e3a8a;
}
.page-home .platform-item i {
    color: #2563eb;
}

    
/* 首页 - 关于QuickQ */
.page-home .intro-section {
    padding: 70px 0 60px;
    background: #ffffff;
    border-top: 1px solid rgba(37, 99, 235, 0.06);
    border-bottom: 1px solid rgba(37, 99, 235, 0.06);
}
.page-home .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.page-home .intro-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 14px;
}
.page-home .intro-text h2 i {
    color: #2563eb;
    margin-right: 10px;
}
.page-home .intro-text p {
    color: #4b6b8f;
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 16px;
}
.page-home .intro-text .highlight-box {
    background: #eef5ff;
    border-left: 4px solid #2563eb;
    padding: 18px 22px;
    border-radius: 8px;
    margin-top: 14px;
    font-size: 0.95rem;
    color: #1e4a76;
}
.page-home .intro-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.page-home .intro-stat-card {
    background: #f7fbff;
    border-radius: 16px;
    padding: 24px 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    text-align: center;
    transition: 0.3s;
}
.page-home .intro-stat-card:hover {
    border-color: rgba(37, 99, 235, 0.15);
    transform: translateY(-3px);
}
.page-home .intro-stat-card .num {
    font-size: 2.2rem;
    font-weight: 800;
    color: #2563eb;
}
.page-home .intro-stat-card .label {
    font-size: 0.9rem;
    color: #4b6b8f;
}

/* 首页 - 产品价格 */
.page-home .products-section {
    padding: 70px 0;
    background: #f8fcff;
}
.page-home .products-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-top: 40px;
}
.page-home .product-card {
    background: #ffffff;
    border-radius: 40px;
    padding: 32px;
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    border: 1px solid #e0e7ff;
    transition: all 0.3s;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02);
    text-align: center;
}
.page-home .product-card:hover {
    transform: translateY(-6px);
    border-color: #93c5fd;
    box-shadow: 0 20px 35px -12px rgba(37, 99, 235, 0.15);
}
.page-home .product-card.featured {
    border: 2px solid #2563eb;
    background: linear-gradient(145deg, #ffffff, #f0f7ff);
    position: relative;
}
.page-home .product-card.featured::before {
    content: "推荐";
    position: absolute;
    top: -12px;
    right: 24px;
    background: #2563eb;
    color: #fff;
    padding: 4px 16px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
}
.page-home .product-icon {
    font-size: 2.8rem;
    color: #2563eb;
    margin-bottom: 20px;
}
.page-home .product-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0f2b3d;
}
.page-home .product-desc {
    color: #5b7c9e;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.9rem;
}
.page-home .product-price {
    font-size: 1.8rem;
    font-weight: 800;
    color: #2563eb;
    margin-bottom: 16px;
}
.page-home .product-price .price-old {
    font-size: 0.9rem;
    color: #94a3b8;
    text-decoration: line-through;
    font-weight: normal;
    margin-left: 8px;
    opacity: 0.6;
}
.page-home .product-features {
    list-style: none;
    margin: 20px 0;
    text-align: left;
}
.page-home .product-features li {
    padding: 8px 0;
    color: #4b6b8f;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.page-home .product-features li i {
    color: #2563eb;
    width: 20px;
}
.page-home .product-btn {
    background: #2563eb;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.2s;
    margin-top: 12px;
    border: none;
    cursor: pointer;
}
.page-home .product-btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

/* 首页 - 下载通道 */
.page-home .limited-download {
    padding: 60px 0;
    background: #ffffff;
}
.page-home .download-badge {
    background: #dbeafe;
    color: #1d4ed8;
    border-radius: 60px;
    padding: 6px 20px;
    font-weight: 700;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 20px;
    border: 1px solid #bfdbfe;
}
.page-home .download-cards-special {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}
.page-home .download-card {
    background: #ffffff;
    border-radius: 36px;
    padding: 32px 24px;
    text-align: center;
    flex: 1;
    min-width: 220px;
    border: 1px solid #e0e7ff;
    transition: all 0.25s;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
}
.page-home .download-card:hover {
    transform: translateY(-6px);
    border-color: #93c5fd;
    box-shadow: 0 20px 30px -12px rgba(37, 99, 235, 0.15);
}
.page-home .download-card .os-icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
    color: #2563eb;
}
.page-home .download-card h3 {
    font-size: 1.8rem;
    margin: 12px 0 8px;
    color: #0f2b3d;
}
.page-home .badge-hot {
    background: #fee2e2;
    color: #b91c1c;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-block;
    padding: 4px 12px;
    border-radius: 30px;
    margin-bottom: 16px;
}
.page-home .download-btn {
    background: #2563eb;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    border-radius: 60px;
    font-weight: 600;
    text-decoration: none;
    margin-top: 24px;
    transition: 0.2s;
    border: none;
    cursor: pointer;
}
.page-home .download-btn:hover {
    background: #1d4ed8;
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
}

/* 首页 - QuickQ加速服务 */
.page-home .services-module {
    padding: 70px 0 80px;
    background: #f8fcff;
    border-top: 1px solid rgba(59, 130, 246, 0.08);
    border-bottom: 1px solid rgba(59, 130, 246, 0.08);
}
.page-home .services-module .services-flex {
    display: flex;
    align-items: stretch;
    gap: 50px;
    flex-wrap: wrap;
    margin-top: 30px;
}
.page-home .services-module .services-left {
    flex: 1.5;
    min-width: 320px;
}
.page-home .services-module .services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    height: 100%;
}
.page-home .services-module .service-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 32px 26px 28px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    transition: 0.3s;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.page-home .services-module .service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.15);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.06);
}
.page-home .services-module .service-card .icon {
    font-size: 2.6rem;
    color: #2563eb;
    margin-bottom: 14px;
    display: block;
}
.page-home .services-module .service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0f2b3d;
}
.page-home .services-module .service-card p {
    font-size: 0.92rem;
    color: #4b6b8f;
    line-height: 1.6;
    margin-top: 6px;
}
.page-home .services-module .services-right {
    flex: 1.2;
    min-width: 300px;
    display: flex;
    align-items: stretch;
    justify-content: center;
}
.page-home .services-module .showcase-img {
    background: #ffffff;
    border-radius: 20px;
    padding: 10px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    transition: 0.3s;
    width: 100%;
    max-width: 750px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.page-home .services-module .showcase-img:hover {
    border-color: rgba(37, 99, 235, 0.12);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.05);
}
.page-home .services-module .showcase-img img {
    width: 100%;
    height: auto;
    max-height: 420px;
    border-radius: 12px;
    display: block;
    object-fit: contain;
}

/* 首页 - 国际权威认证 */
.page-home .cert-section {
    padding: 70px 0 80px;
    background: #ffffff;
    border-top: 1px solid rgba(37, 99, 235, 0.06);
    border-bottom: 1px solid rgba(37, 99, 235, 0.06);
}
.page-home .cert-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    align-items: stretch;
}
.page-home .cert-card {
    background: #f7fbff;
    border-radius: 24px;
    padding: 32px 34px 34px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    transition: 0.3s;
    flex: 1 1 300px;
    max-width: 540px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.page-home .cert-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.15);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.06);
}
.page-home .cert-card .cert-img-wrap {
    width: 100%;
    max-width: 460px;
    margin: 0 auto 14px;
}
.page-home .cert-card .cert-img-wrap img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
}
.page-home .cert-card .cert-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-top: 8px;
}
.page-home .cert-card .cert-desc {
    font-size: 0.95rem;
    color: #4b6b8f;
    line-height: 1.7;
    margin-top: 6px;
}

/* 首页 - 帮助中心文章 */
.page-home .articles-section {
    padding: 60px 0;
    background: #f8fcff;
}
.page-home .articles-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}
.page-home .article-card {
    background: #ffffff;
    border-radius: 28px;
    overflow: hidden;
    flex: 0 0 calc(33.333% - 20px);
    min-width: 280px;
    border: 1px solid #e0e7ff;
    transition: all 0.3s;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}
.page-home .article-card:hover {
    transform: translateY(-6px);
    border-color: #93c5fd;
    box-shadow: 0 20px 30px -12px rgba(37, 99, 235, 0.15);
}
.page-home .article-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: #dbeafe;
}
.page-home .article-content {
    padding: 18px 20px 20px;
}
.page-home .article-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    gap: 8px;
}
.page-home .article-content h3 i {
    color: #2563eb;
}
.page-home .article-content .article-desc {
    color: #5b7c9e;
    line-height: 1.5;
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}
.page-home .article-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #2563eb;
    font-weight: 500;
    font-size: 0.85rem;
    text-decoration: none;
}
.page-home .article-link:hover {
    gap: 10px;
}

/* 首页 - FAQ */
.page-home .faq-section {
    padding: 70px 0;
    background: #ffffff;
}
.page-home .faq-grid {
    max-width: 1000px;
    margin: 40px auto 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.page-home .faq-item {
    background: #ffffff;
    border-radius: 28px;
    padding: 24px 32px;
    border: 1px solid #e0e7ff;
    transition: all 0.25s;
}
.page-home .faq-item:hover {
    border-color: #93c5fd;
    box-shadow: 0 12px 24px -12px rgba(37, 99, 235, 0.12);
}
.page-home .faq-question {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    gap: 12px;
}
.page-home .faq-question i {
    color: #2563eb;
}
.page-home .faq-answer {
    color: #5b7c9e;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 首页 - 代理合作 */
.page-home .partner-section {
    padding: 70px 0;
    background: linear-gradient(135deg, #eef5ff 0%, #ffffff 100%);
}
.page-home .partner-container {
    max-width: 1100px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 48px;
    padding: 48px 40px;
    box-shadow: 0 20px 40px -12px rgba(37, 99, 235, 0.15);
    border: 1px solid #e0e7ff;
}
.page-home .partner-features {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
    margin-bottom: 48px;
}
.page-home .partner-feature {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 24px 20px;
    background: #f8fcff;
    border-radius: 28px;
    transition: all 0.3s;
}
.page-home .partner-feature:hover {
    transform: translateY(-5px);
    background: #eef5ff;
}
.page-home .partner-feature i {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 16px;
}
.page-home .partner-feature h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #0f2b3d;
}
.page-home .partner-feature p {
    color: #5b7c9e;
    font-size: 0.9rem;
}
.page-home .partner-cta {
    text-align: center;
    margin-top: 32px;
}
.page-home .partner-cta .btn-partner {
    background: #2563eb;
    color: #fff;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.page-home .partner-cta .btn-partner:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

/* ----- 3.2 关于我们 ( .about-section ) ----- */
.about-section {
    padding: 50px 0 70px;
    background: #ffffff;
}
.about-content {
    max-width: 1100px;
    margin: 0 auto;
}
.mission-block {
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 40px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.mission-block.reverse {
    flex-direction: row-reverse;
}
.mission-text {
    flex: 1;
    min-width: 260px;
}
.mission-text .badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 4px 16px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.mission-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 14px;
}
.mission-text h2 i {
    color: #2563eb;
    margin-right: 10px;
}
.mission-text p {
    color: #4b6b8f;
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 12px;
}
.mission-text ul {
    list-style: none;
    padding: 0;
}
.mission-text ul li {
    padding: 5px 0;
    color: #4b6b8f;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.mission-text ul li i {
    color: #2563eb;
    width: 20px;
}
.mission-visual {
    flex: 1;
    min-width: 260px;
    background: #f7fbff;
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
}
.mission-visual .icon-display {
    font-size: 5rem;
    color: #2563eb;
    padding: 20px 0;
}
.mission-visual .icon-display i {
    display: block;
}
.mission-visual .caption {
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-top: 8px;
}

/* 关于 - 数据统计 */
.about-section .stats-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.about-section .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}
.about-section .stats-item {
    text-align: center;
    background: #f7fbff;
    border-radius: 20px;
    padding: 28px 16px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.about-section .stats-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.about-section .stats-item .number {
    font-size: 2.4rem;
    font-weight: 800;
    color: #2563eb;
    display: block;
}
.about-section .stats-item .label {
    font-size: 0.9rem;
    color: #5b7c9e;
}

/* 关于 - 发展历程 */
.about-section .timeline-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.about-section .timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}
.about-section .timeline-item {
    display: flex;
    gap: 30px;
    padding: 20px 28px;
    background: #f7fbff;
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
    align-items: flex-start;
}
.about-section .timeline-item:hover {
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.04);
}
.about-section .timeline-item .year {
    flex-shrink: 0;
    font-size: 1.2rem;
    font-weight: 800;
    color: #2563eb;
    min-width: 80px;
    padding-top: 2px;
}
.about-section .timeline-item .content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 4px;
}
.about-section .timeline-item .content p {
    font-size: 0.9rem;
    color: #5b7c9e;
    line-height: 1.6;
}

/* 关于 - 价值观 */
.about-section .values-block {
    padding: 50px 0;
}
.about-section .values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.about-section .value-item {
    background: #f7fbff;
    border-radius: 20px;
    padding: 32px 24px 28px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.about-section .value-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.about-section .value-item .icon {
    font-size: 2.4rem;
    color: #2563eb;
    margin-bottom: 12px;
}
.about-section .value-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}
.about-section .value-item p {
    font-size: 0.88rem;
    color: #5b7c9e;
    line-height: 1.6;
}

/* ----- 3.3 下载页 ( .download-section ) ----- */
.download-section {
    padding: 60px 0 70px;
    background: #ffffff;
}
.download-section .stats-bar {
    padding: 30px 0;
    background: #ffffff;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.download-section .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}
.download-section .stats-item {
    text-align: center;
}
.download-section .stats-item .number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #2563eb;
    display: block;
}
.download-section .stats-item .label {
    font-size: 0.85rem;
    color: #5b7c9e;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1140px;
    margin: 0 auto;
}
.download-card {
    background: #f7fbff;
    border-radius: 28px;
    padding: 32px 20px 28px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.4s;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}
.download-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 20px 40px -12px rgba(37, 99, 235, 0.06);
}
.download-card .os-icon {
    font-size: 3.6rem;
    color: #2563eb;
    margin-bottom: 10px;
}
.download-card .os-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 2px;
}
.download-card .os-req {
    font-size: 0.75rem;
    color: #6b8aae;
    margin-bottom: 10px;
}
.download-card .badge-status {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 14px;
    border-radius: 20px;
    margin-bottom: 8px;
}
.badge-stable { background: #dcfce7; color: #16a34a; }
.badge-beta { background: #fef3c7; color: #d97706; }
.badge-store { background: #dbeafe; color: #2563eb; }
.download-card .official-badge {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 600;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
    padding: 2px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
    border: 1px solid rgba(37, 99, 235, 0.08);
}
.download-card .official-badge i { margin-right: 4px; }
.download-card .size-info {
    font-size: 0.7rem;
    color: #8aa3c0;
    margin-bottom: 12px;
}
.download-card .btn-download {
    background: #2563eb;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: 0.2s;
    border: none;
    cursor: pointer;
    margin-top: auto;
}
.download-card .btn-download:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
}
.download-card .btn-download-store {
    background: transparent;
    color: #0f2b3d;
    border: 1.5px solid #e0e7ff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: 0.2s;
    cursor: pointer;
    margin-top: auto;
}
.download-card .btn-download-store:hover {
    border-color: #2563eb;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.04);
}
.download-card .features-mini {
    list-style: none;
    margin: 10px 0 14px;
    text-align: left;
    width: 100%;
}
.download-card .features-mini li {
    padding: 4px 0;
    color: #4b6b8f;
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.download-card .features-mini li i {
    color: #2563eb;
    width: 18px;
    font-size: 0.75rem;
}

/* 下载 - 系统要求 */
.sysreq-section {
    padding: 50px 0;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.sysreq-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}
.sysreq-item {
    background: #ffffff;
    border-radius: 20px;
    padding: 24px 18px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.sysreq-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.sysreq-item .icon {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 8px;
}
.sysreq-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #0f2b3d;
}
.sysreq-item .detail {
    font-size: 0.82rem;
    color: #5b7c9e;
    margin-top: 4px;
}

/* 下载 - 快速上手指南 */
.guide-section {
    padding: 60px 0;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}
.guide-step {
    background: #ffffff;
    border-radius: 24px;
    padding: 32px 24px 28px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
    position: relative;
}
.guide-step:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.guide-step .step-num {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}
.guide-step .icon {
    font-size: 2.4rem;
    color: #2563eb;
    margin-top: 8px;
    margin-bottom: 12px;
}
.guide-step h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}
.guide-step p {
    font-size: 0.88rem;
    color: #5b7c9e;
    line-height: 1.6;
}

/* 下载 - 图文穿插（核心技术） */
.visual-section {
    padding: 60px 0;
    background: #ffffff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.visual-block {
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 40px 0;
    max-width: 1100px;
    margin: 0 auto;
}
.visual-block.reverse {
    flex-direction: row-reverse;
}
.visual-block .text {
    flex: 1;
    min-width: 260px;
}
.visual-block .text .badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 4px 16px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.visual-block .text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 12px;
}
.visual-block .text h3 i {
    color: #2563eb;
    margin-right: 10px;
}
.visual-block .text p {
    color: #4b6b8f;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 12px;
}
.visual-block .text ul {
    list-style: none;
    padding: 0;
}
.visual-block .text ul li {
    padding: 5px 0;
    color: #4b6b8f;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.visual-block .text ul li i {
    color: #2563eb;
    width: 20px;
}
.visual-block .visual {
    flex: 1;
    min-width: 260px;
    background: #f7fbff;
    border-radius: 24px;
    padding: 16px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.visual-block .visual:hover {
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.visual-block .visual .visual-img {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: 16px;
    display: block;
    margin: 0 auto;
    object-fit: cover;
    aspect-ratio: 4/3;
    background: #eef5ff;
}
.visual-block .visual .caption {
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-top: 10px;
}

/* 下载 - 信任标识 */
.trust-section {
    padding: 50px 0;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 960px;
    margin: 0 auto;
}
.trust-item {
    text-align: center;
    padding: 16px;
    border-radius: 16px;
    transition: 0.3s;
}
.trust-item:hover {
    background: #ffffff;
}
.trust-item .icon {
    font-size: 2.2rem;
    color: #2563eb;
    margin-bottom: 8px;
}
.trust-item .label {
    font-size: 0.9rem;
    color: #0f2b3d;
    font-weight: 600;
}
.trust-item .desc {
    font-size: 0.78rem;
    color: #5b7c9e;
}

/* 下载 - 用户评价 */
.testimonial-section {
    padding: 60px 0;
    background: #ffffff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}
.testimonial-card {
    background: #f7fbff;
    border-radius: 18px;
    padding: 20px 18px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.testimonial-card .stars {
    color: #f5a623;
    font-size: 0.75rem;
    letter-spacing: 2px;
    margin-bottom: 6px;
}
.testimonial-card .quote {
    color: #0f2b3d;
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 10px;
}
.testimonial-card .author .avatar-img {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid rgba(37, 99, 235, 0.06);
}
.testimonial-card .author .info .name {
    font-weight: 600;
    color: #0f2b3d;
    font-size: 0.8rem;
}
.testimonial-card .author .info .role {
    font-size: 0.7rem;
    color: #8aa3c0;
}

/* 下载 - 互动反馈 */
.feedback-section {
    padding: 40px 0;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.feedback-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: #ffffff;
    border-radius: 24px;
    padding: 32px 40px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}
.feedback-box .question {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0f2b3d;
    margin-bottom: 16px;
}
.feedback-box .btn-group-fb {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.feedback-box .btn-fb {
    padding: 10px 32px;
    border-radius: 40px;
    border: 1.5px solid #e0e7ff;
    background: transparent;
    color: #4b6b8f;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.feedback-box .btn-fb:hover {
    border-color: #2563eb;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.04);
}
.feedback-box .btn-fb.selected {
    border-color: #2563eb;
    background: #2563eb;
    color: #fff;
}
.feedback-box .feedback-thanks {
    display: none;
    font-size: 0.95rem;
    color: #22c55e;
    font-weight: 600;
    margin-top: 12px;
    padding: 8px 16px;
    background: #dcfce7;
    border-radius: 30px;
}
.feedback-box .feedback-thanks.show {
    display: inline-block;
}

/* 下载 - 平台功能对比 */
.compare-section {
    padding: 60px 0 70px;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}
.compare-table-wrap {
    overflow-x: auto;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    background: #ffffff;
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.compare-table thead th {
    background: #eef5ff;
    padding: 14px 18px;
    text-align: center;
    font-weight: 700;
    color: #0f2b3d;
    border-bottom: 2px solid rgba(37, 99, 235, 0.08);
}
.compare-table thead th:first-child {
    text-align: left;
    width: 20%;
}
.compare-table tbody td {
    padding: 11px 18px;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    color: #4b6b8f;
    text-align: center;
}
.compare-table tbody td:first-child {
    text-align: left;
    font-weight: 600;
    color: #0f2b3d;
}
.compare-table tbody tr:hover {
    background: #f7fbff;
}
.compare-table .icon-check { color: #22c55e; }
.compare-table .icon-x { color: #ef4444; }
.compare-table .highlight td {
    background: #eef5ff;
    font-weight: 600;
}

/* 下载 - FAQ折叠 */
.download-section .faq-section {
    padding: 60px 0 70px;
    background: #ffffff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}
.download-section .faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.download-section .faq-item {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.25s;
    overflow: hidden;
    cursor: pointer;
}
.download-section .faq-item:hover {
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.03);
}
.download-section .faq-item.active {
    border-color: #2563eb;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
}
.download-section .faq-question {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 28px;
    gap: 16px;
    user-select: none;
}
.download-section .faq-question .q-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.download-section .faq-question .q-left i {
    color: #2563eb;
    font-size: 0.85rem;
    width: 18px;
    flex-shrink: 0;
}
.download-section .faq-question .toggle-icon {
    color: #8aa3c0;
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.download-section .faq-item.active .toggle-icon {
    transform: rotate(180deg);
    color: #2563eb;
}
.download-section .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 28px;
    color: #5b7c9e;
    font-size: 0.95rem;
    line-height: 1.7;
}
.download-section .faq-item.active .faq-answer {
    max-height: 400px;
    padding: 0 28px 22px 28px;
}

/* ----- 3.4 功能页 ( .features-section ) ----- */
.features-section {
    padding: 50px 0 70px;
    background: #ffffff;
}
.feature-card {
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 44px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    scroll-margin-top: 80px;
}
.feature-card:last-child {
    border-bottom: none;
}
.feature-card.reverse {
    flex-direction: row-reverse;
}
.feature-info {
    flex: 1;
    min-width: 280px;
}
.feature-info .badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 4px 16px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.feature-info h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 12px;
}
.feature-info h2 i {
    color: #2563eb;
    margin-right: 10px;
}
.feature-info .desc {
    color: #4b6b8f;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 14px;
}
.feature-info ul {
    list-style: none;
    padding: 0;
    margin-bottom: 16px;
}
.feature-info ul li {
    padding: 6px 0;
    color: #4b6b8f;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.feature-info ul li i {
    color: #2563eb;
    width: 20px;
    font-size: 1rem;
}
.feature-info .benefit {
    background: #eef5ff;
    border-left: 3px solid #2563eb;
    padding: 12px 18px;
    border-radius: 6px;
    font-size: 0.95rem;
    color: #1e4a76;
    margin-top: 6px;
}
.feature-info .benefit i {
    color: #2563eb;
    margin-right: 8px;
}
.feature-visual {
    flex: 1;
    min-width: 280px;
    background: #f7fbff;
    border-radius: 24px;
    padding: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}
.feature-visual:hover {
    border-color: rgba(37, 99, 235, 0.12);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.feature-visual .icon-placeholder {
    font-size: 5rem;
    color: #2563eb;
    padding: 30px 0;
    text-align: center;
}
.feature-visual .icon-placeholder i {
    display: block;
}
.feature-visual .icon-placeholder .sub-label {
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-top: 10px;
    font-weight: 400;
}

/* 功能 - 对比表格 */
.features-section .compare-section {
    padding: 60px 0 70px;
    background: #f8fcff;
}

/* 功能 - 技术规格（3列） */
.spec-section {
    padding: 60px 0 70px;
    background: #f8fcff;
}
.spec-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 960px;
    margin: 0 auto;
}
.spec-item {
    background: #ffffff;
    border-radius: 20px;
    padding: 26px 20px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.spec-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.1);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.spec-item .num {
    font-size: 2.4rem;
    font-weight: 800;
    color: #2563eb;
    display: block;
}
.spec-item .label {
    font-size: 0.9rem;
    color: #4b6b8f;
    margin-top: 4px;
}
.spec-item .meaning {
    font-size: 0.75rem;
    color: #8aa3c0;
    margin-top: 8px;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    padding-top: 8px;
}

/* 功能 - 锚点导航 */
.anchor-nav {
    background: #ffffff;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    padding: 14px 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}
.anchor-nav ul {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
}
.anchor-nav ul li a {
    color: #4b6b8f;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 4px 8px;
    border-bottom: 2px solid transparent;
    transition: 0.2s;
}
.anchor-nav ul li a:hover {
    color: #2563eb;
    border-bottom-color: #2563eb;
}
.anchor-nav ul li a i {
    color: #2563eb;
    margin-right: 6px;
    font-size: 0.8rem;
}

/* ----- 3.5 帮助中心 ( .help-section ) ----- */
.help-section .search-section {
    padding: 24px 0 30px;
    background: #ffffff;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.help-section .search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}
.help-section .search-box form {
    display: flex;
    position: relative;
    width: 100%;
}
.help-section .search-box input {
    width: 100%;
    padding: 14px 20px 14px 52px;
    border: 2px solid #e0e7ff;
    border-radius: 60px;
    font-size: 1rem;
    font-family: inherit;
    color: #0f2b3d;
    background: #f7fbff;
    transition: 0.3s;
    outline: none;
}
.help-section .search-box input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.06);
    background: #ffffff;
}
.help-section .search-box input::placeholder {
    color: #8aa3c0;
}
.help-section .search-box .search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #8aa3c0;
    font-size: 1.1rem;
    pointer-events: none;
}
.help-section .search-box .submit-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 40px;
    padding: 8px 24px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.3s;
    font-family: inherit;
}
.help-section .search-box .submit-btn:hover {
    background: #1d4ed8;
}
.help-section .search-stats {
    text-align: center;
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-top: 12px;
    min-height: 24px;
}
.help-section .search-stats strong {
    color: #2563eb;
}
.help-section .search-stats .clear-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    margin-left: 12px;
}
.help-section .search-stats .clear-link:hover {
    text-decoration: underline;
}

.help-section .articles-section {
    padding: 40px 0 60px;
    background: #ffffff;
}
.help-section .articles-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}
.help-section .empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    width: 100%;
    text-align: center;
}
.help-section .empty-state.show {
    display: flex;
}
.help-section .empty-state .empty-icon {
    font-size: 4rem;
    color: #c5d5e8;
    margin-bottom: 16px;
}
.help-section .empty-state h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}
.help-section .empty-state p {
    font-size: 0.95rem;
    color: #8aa3c0;
    max-width: 400px;
    margin-bottom: 20px;
}
.help-section .empty-state .btn-empty-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    border-radius: 40px;
    background: #2563eb;
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: 0.3s;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.help-section .empty-state .btn-empty-back:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.3);
}

.help-section .article-card {
    background: #ffffff;
    border-radius: 28px;
    overflow: hidden;
    flex: 0 0 calc(33.333% - 20px);
    min-width: 280px;
    border: 1px solid #e0e7ff;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}
.help-section .article-card:hover {
    transform: translateY(-6px);
    border-color: #93c5fd;
    box-shadow: 0 20px 30px -12px rgba(37, 99, 235, 0.15);
}
.help-section .article-card.hidden {
    display: none;
}
.help-section .article-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: #dbeafe;
}
.help-section .article-content {
    padding: 18px 20px 20px;
}
.help-section .article-content .article-tag {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 600;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
    padding: 2px 14px;
    border-radius: 20px;
    margin-bottom: 8px;
    border: 1px solid rgba(37, 99, 235, 0.04);
}
.help-section .article-content .article-tag.dynamic {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.08);
}
.help-section .article-content .article-tag.guide {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.08);
    border-color: rgba(34, 197, 94, 0.08);
}
.help-section .article-content .article-tag.tech {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.08);
}
.help-section .article-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    gap: 8px;
}
.help-section .article-content h3 i {
    color: #2563eb;
}
.help-section .article-content .article-desc {
    color: #5b7c9e;
    line-height: 1.5;
    font-size: 0.85rem;
    display: block;
    margin-bottom: 12px;
}
.help-section .article-content .article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #8aa3c0;
    padding-top: 10px;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}
.help-section .article-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #2563eb;
    font-weight: 500;
    font-size: 0.85rem;
    text-decoration: none;
}
.help-section .article-link:hover {
    gap: 10px;
}

.help-section .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 50px;
    flex-wrap: wrap;
}
.help-section .pagination.hidden {
    display: none;
}
.help-section .pagination a,
.help-section .pagination .current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 16px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid #e0e7ff;
    background: #ffffff;
    color: #1e4a76;
}
.help-section .pagination a:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}
.help-section .pagination .current {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
    cursor: default;
}
.help-section .pagination .disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    background: #f7fbff;
    border-color: #e0e7ff;
    color: #8aa3c0;
}

/* 帮助中心 - FAQ */
.help-section .faq-section {
    padding: 60px 0 70px;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}
.help-section .faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.help-section .faq-item {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.25s;
    overflow: hidden;
    cursor: pointer;
}
.help-section .faq-item:hover {
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.03);
}
.help-section .faq-item.active {
    border-color: #2563eb;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
}
.help-section .faq-question {
    font-size: 1rem;
    font-weight: 600;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 22px;
    gap: 16px;
    user-select: none;
}
.help-section .faq-question .q-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.help-section .faq-question .q-left i {
    color: #2563eb;
    font-size: 0.85rem;
    width: 18px;
    flex-shrink: 0;
}
.help-section .faq-question .toggle-icon {
    color: #8aa3c0;
    font-size: 0.85rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.help-section .faq-item.active .toggle-icon {
    transform: rotate(180deg);
    color: #2563eb;
}
.help-section .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 22px;
    color: #5b7c9e;
    font-size: 0.95rem;
    line-height: 1.7;
}
.help-section .faq-item.active .faq-answer {
    max-height: 400px;
    padding: 0 22px 20px 22px;
}
.help-section .faq-answer a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}
.help-section .faq-answer a:hover {
    text-decoration: underline;
}

/* ----- 3.6 代理合作 ( .partner-section ) ----- */
.partner-section {
    padding: 50px 0 70px;
    background: #ffffff;
}
.partner-content {
    max-width: 1100px;
    margin: 0 auto;
}
.partner-intro {
    text-align: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.partner-intro .badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 4px 20px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.partner-intro h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 12px;
}
.partner-intro h2 i {
    color: #2563eb;
    margin-right: 10px;
}
.partner-intro p {
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.8;
}

.advantages-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
.advantage-item {
    background: #f7fbff;
    border-radius: 20px;
    padding: 28px 20px 24px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.advantage-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.advantage-item .icon {
    font-size: 2.4rem;
    color: #2563eb;
    margin-bottom: 12px;
}
.advantage-item .num {
    font-size: 1.6rem;
    font-weight: 800;
    color: #2563eb;
    display: block;
}
.advantage-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 4px;
}
.advantage-item p {
    font-size: 0.85rem;
    color: #5b7c9e;
    line-height: 1.6;
}

.commission-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.commission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}
.commission-item {
    background: #f7fbff;
    border-radius: 20px;
    padding: 28px 20px 24px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
    position: relative;
}
.commission-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.commission-item.featured {
    border: 2px solid #2563eb;
    background: linear-gradient(145deg, #ffffff, #f0f7ff);
}
.commission-item.featured::before {
    content: "🔥 推荐";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: #fff;
    padding: 3px 18px;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}
.commission-item .level {
    font-size: 0.75rem;
    font-weight: 600;
    color: #8aa3c0;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.commission-item .rate {
    font-size: 2.6rem;
    font-weight: 800;
    color: #2563eb;
    display: block;
}
.commission-item .condition {
    font-size: 0.85rem;
    color: #5b7c9e;
    margin-top: 4px;
    margin-bottom: 12px;
}
.commission-item ul {
    list-style: none;
    text-align: left;
    padding: 0;
}
.commission-item ul li {
    padding: 4px 0;
    color: #4b6b8f;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.commission-item ul li i {
    color: #2563eb;
    width: 18px;
}

.process-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}
.process-item {
    text-align: center;
    padding: 16px;
    position: relative;
}
.process-item .step-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #2563eb;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 12px;
}
.process-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 4px;
}
.process-item p {
    font-size: 0.82rem;
    color: #5b7c9e;
    line-height: 1.5;
}

.cta-block {
    padding: 50px 0 0;
}
.cta-box {
    background: linear-gradient(135deg, #eef5ff 0%, #ffffff 100%);
    border-radius: 28px;
    padding: 40px 48px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}
.cta-box h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}
.cta-box h3 i {
    color: #2563eb;
    margin-right: 10px;
}
.cta-box p {
    color: #5b7c9e;
    font-size: 1rem;
    margin-bottom: 24px;
}
.cta-box .btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-box .contact-info {
    margin-top: 20px;
    font-size: 0.85rem;
    color: #8aa3c0;
}
.cta-box .contact-info a {
    color: #2563eb;
    text-decoration: none;
}
.cta-box .contact-info a:hover {
    text-decoration: underline;
}

/* 代理 - 弹窗 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 30, 50, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: modalFadeIn 0.3s ease;
}
.modal-overlay.active {
    display: flex;
}
@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(30px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-box {
    background: #ffffff;
    border-radius: 28px;
    max-width: 560px;
    width: 100%;
    padding: 40px 44px 36px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.16);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-box::-webkit-scrollbar { width: 4px; }
.modal-box::-webkit-scrollbar-thumb { background: #dbeafe; border-radius: 10px; }
.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: #8aa3c0;
    cursor: pointer;
    transition: 0.2s;
    padding: 4px 8px;
    border-radius: 8px;
    line-height: 1;
}
.modal-close:hover { color: #0f2b3d; background: rgba(0,0,0,0.04); }
.modal-box .modal-icon {
    text-align: center;
    font-size: 2.8rem;
    color: #2563eb;
    margin-bottom: 8px;
}
.modal-box .modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f2b3d;
    text-align: center;
    margin-bottom: 4px;
}
.modal-box .modal-sub {
    font-size: 0.9rem;
    color: #5b7c9e;
    text-align: center;
    margin-bottom: 24px;
}
.modal-box .form-group {
    margin-bottom: 18px;
}
.modal-box .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #0f2b3d;
    margin-bottom: 4px;
}
.modal-box .form-group label .required {
    color: #ef4444;
    margin-left: 2px;
}
.modal-box .form-group input,
.modal-box .form-group textarea,
.modal-box .form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #e0e7ff;
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: inherit;
    color: #0f2b3d;
    background: #f7fbff;
    transition: 0.2s;
    outline: none;
}
.modal-box .form-group input:focus,
.modal-box .form-group textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
    background: #ffffff;
}
.modal-box .form-group textarea {
    resize: vertical;
    min-height: 80px;
}
.modal-box .btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(105deg, #2563eb, #1d4ed8);
    color: #fff;
    border: none;
    border-radius: 40px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    margin-top: 4px;
}
.modal-box .btn-submit:hover {
    background: linear-gradient(105deg, #3b82f6, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.35);
}
.modal-box .form-success {
    display: none;
    text-align: center;
    padding: 20px 0 8px;
}
.modal-box .form-success .success-icon {
    font-size: 3.6rem;
    color: #22c55e;
    margin-bottom: 12px;
}
.modal-box .form-success h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}
.modal-box .form-success p {
    color: #5b7c9e;
    font-size: 0.95rem;
}
.modal-box .form-success.show { display: block; }
.modal-box .form-fields.hide { display: none; }

/* ----- 3.7 定价页 ( .pricing-section ) ----- */
.pricing-section {
    padding: 60px 0 40px;
    background: #ffffff;
}
.pricing-section .offer-bar {
    background: linear-gradient(105deg, #2563eb, #1d4ed8);
    color: #fff;
    padding: 14px 0;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 500;
}
.pricing-section .offer-bar i { margin-right: 8px; }
.pricing-section .offer-bar a {
    color: #fff;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.pricing-section .offer-bar a:hover { color: #dbeafe; }

.pricing-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    max-width: 1140px;
    margin: 0 auto;
}
.pricing-card {
    background: #f7fbff;
    border-radius: 28px;
    padding: 36px 28px 32px;
    flex: 1;
    min-width: 280px;
    max-width: 360px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.4s;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    position: relative;
}
.pricing-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 20px 40px -12px rgba(37, 99, 235, 0.06);
}
.pricing-card.featured {
    border: 2px solid #2563eb;
    background: linear-gradient(145deg, #ffffff, #f0f7ff);
}
.pricing-card.featured::before {
    content: "🔥 最受欢迎";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: #fff;
    padding: 4px 24px;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.pricing-card.popular {
    border: 2px solid #f59e0b;
    background: linear-gradient(145deg, #ffffff, #fffbeb);
}
.pricing-card.popular::before {
    content: "⭐ 性价比之选";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #f59e0b;
    color: #fff;
    padding: 4px 24px;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.pricing-icon {
    font-size: 2.8rem;
    color: #2563eb;
    margin-bottom: 12px;
}
.pricing-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.08);
    padding: 3px 14px;
    border-radius: 20px;
    margin-bottom: 8px;
}
.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: #0f2b3d;
}
.pricing-desc {
    color: #5b7c9e;
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.pricing-price-wrap { margin-bottom: 4px; }
.pricing-price {
    font-size: 2.6rem;
    font-weight: 800;
    color: #2563eb;
}
.price-unit {
    font-size: 0.9rem;
    font-weight: 400;
    color: #6b8aae;
}
.price-old {
    font-size: 0.85rem;
    color: #94a3b8;
    text-decoration: line-through;
    margin-left: 8px;
    font-weight: 400;
}
.pricing-yearly {
    font-size: 0.85rem;
    color: #22c55e;
    font-weight: 600;
    margin-bottom: 4px;
}
.pricing-yearly span {
    background: #dcfce7;
    padding: 2px 12px;
    border-radius: 20px;
    display: inline-block;
}
.pricing-save {
    font-size: 0.75rem;
    color: #ef4444;
    font-weight: 700;
    background: #fee2e2;
    padding: 2px 14px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 12px;
}
.pricing-features {
    list-style: none;
    margin: 8px 0 18px;
    text-align: left;
    padding-left: 4px;
    flex: 1;
}
.pricing-features li {
    padding: 7px 0;
    color: #4b6b8f;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.4;
}
.pricing-features li i {
    color: #2563eb;
    width: 20px;
    flex-shrink: 0;
    text-align: center;
}
.pricing-features li .highlight-text {
    color: #2563eb;
    font-weight: 600;
}
.pricing-btn {
    background: #2563eb;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: 0.2s;
    border: none;
    cursor: pointer;
    margin-top: 4px;
}
.pricing-btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
}
.pricing-card.featured .pricing-btn { box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25); }
.pricing-card.featured .pricing-btn:hover { box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35); }
.pricing-card.popular .pricing-btn {
    background: #f59e0b;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}
.pricing-card.popular .pricing-btn:hover {
    background: #d97706;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
}

/* 定价 - 年付 vs 月付 */
.save-section {
    padding: 0 0 60px;
    background: #ffffff;
}
.save-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}
.save-card {
    background: #f7fbff;
    border-radius: 20px;
    padding: 24px 20px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.save-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.save-card .plan-name {
    font-weight: 600;
    color: #0f2b3d;
    font-size: 1rem;
    margin-bottom: 4px;
}
.save-card .monthly {
    color: #5b7c9e;
    font-size: 0.85rem;
    text-decoration: line-through;
}
.save-card .yearly {
    color: #2563eb;
    font-size: 1.4rem;
    font-weight: 800;
}
.save-card .yearly small {
    font-size: 0.8rem;
    font-weight: 400;
    color: #6b8aae;
}
.save-card .save-tag {
    display: inline-block;
    background: #dcfce7;
    color: #16a34a;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 14px;
    border-radius: 20px;
    margin-top: 4px;
}

/* 定价 - 为什么选择QuickQ */
.why-section {
    padding: 60px 0;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.why-item {
    background: #ffffff;
    border-radius: 20px;
    padding: 28px 20px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.why-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.why-item .icon {
    font-size: 2.2rem;
    color: #2563eb;
    margin-bottom: 12px;
}
.why-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}
.why-item p {
    font-size: 0.85rem;
    color: #5b7c9e;
    line-height: 1.6;
}

/* 定价 - 使用场景 */
.scenario-section {
    padding: 60px 0;
    background: #ffffff;
}
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}
.scenario-item {
    background: #f7fbff;
    border-radius: 16px;
    padding: 24px 18px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.scenario-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
}
.scenario-item .icon {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 8px;
}
.scenario-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0f2b3d;
}
.scenario-item p {
    font-size: 0.8rem;
    color: #5b7c9e;
    margin-top: 4px;
}

/* 定价 - 用户证言 */
.pricing-section .testimonial-section {
    padding: 60px 0;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}
.pricing-section .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.pricing-section .testimonial-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 24px 22px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}
.pricing-section .testimonial-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.pricing-section .testimonial-card .stars {
    color: #f5a623;
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: 8px;
}
.pricing-section .testimonial-card .quote {
    color: #0f2b3d;
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 12px;
}
.pricing-section .testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.pricing-section .testimonial-card .author .avatar-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid rgba(37, 99, 235, 0.06);
}
.pricing-section .testimonial-card .author .info .name {
    font-weight: 600;
    color: #0f2b3d;
    font-size: 0.85rem;
}
.pricing-section .testimonial-card .author .info .role {
    font-size: 0.75rem;
    color: #8aa3c0;
}

/* 定价 - 套餐对比表格 */
.pricing-section .compare-section {
    padding: 60px 0 70px;
    background: #ffffff;
}
.pricing-section .compare-table thead th:first-child { width: 22%; }

/* 定价 - FAQ */
.pricing-section .faq-section {
    padding: 60px 0 70px;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}
.pricing-section .faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.pricing-section .faq-item {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px 28px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.25s;
}
.pricing-section .faq-item:hover {
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.03);
}
.pricing-section .faq-question {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    gap: 12px;
}
.pricing-section .faq-question i {
    color: #2563eb;
    font-size: 0.85rem;
    width: 18px;
}
.pricing-section .faq-answer {
    margin-top: 6px;
    padding-left: 30px;
    color: #5b7c9e;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 定价 - CTA */
.pricing-section .cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, #eef5ff 0%, #ffffff 100%);
    text-align: center;
}
.pricing-section .cta-section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 12px;
}
.pricing-section .cta-section p {
    color: #5b7c9e;
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto 28px;
}
.pricing-section .cta-section .btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ----- 3.8 隐私政策 ( .privacy-section ) ----- */
.privacy-section {
    padding: 50px 0 80px;
    background: #ffffff;
}
.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    background: #f7fbff;
    border-radius: 24px;
    padding: 48px 56px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}
.privacy-content .last-updated {
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-bottom: 32px;
    text-align: right;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    padding-bottom: 16px;
}
.privacy-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-top: 32px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.privacy-content h2:first-of-type { margin-top: 0; }
.privacy-content h2 i {
    color: #2563eb;
    font-size: 1.3rem;
    width: 28px;
    text-align: center;
}
.privacy-content p {
    color: #4b6b8f;
    font-size: 0.98rem;
    line-height: 1.9;
    margin-bottom: 16px;
}
.privacy-content ul {
    padding-left: 44px;
    margin-bottom: 16px;
}
.privacy-content ul li {
    color: #4b6b8f;
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 6px;
    list-style-type: disc;
}
.privacy-content .highlight-box {
    background: #eef5ff;
    border-left: 4px solid #2563eb;
    padding: 18px 22px;
    border-radius: 8px;
    margin: 20px 0;
}
.privacy-content .highlight-box strong { color: #2563eb; }
.privacy-content .highlight-box p:last-child { margin-bottom: 0; }
.privacy-content .divider {
    height: 1px;
    background: rgba(37, 99, 235, 0.04);
    margin: 32px 0;
}

/* ----- 3.9 服务条款 ( .terms-section ) ----- */
.terms-section {
    padding: 50px 0 80px;
    background: #ffffff;
}
.terms-content {
    max-width: 900px;
    margin: 0 auto;
    background: #f7fbff;
    border-radius: 24px;
    padding: 48px 56px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}
.terms-content .last-updated {
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-bottom: 32px;
    text-align: right;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    padding-bottom: 16px;
}
.terms-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-top: 32px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.terms-content h2:first-of-type { margin-top: 0; }
.terms-content h2 i {
    color: #2563eb;
    font-size: 1.3rem;
    width: 28px;
    text-align: center;
}
.terms-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0f2b3d;
    margin-top: 18px;
    margin-bottom: 8px;
}
.terms-content p {
    color: #4b6b8f;
    font-size: 0.98rem;
    line-height: 1.9;
    margin-bottom: 16px;
}
.terms-content ul {
    padding-left: 44px;
    margin-bottom: 16px;
}
.terms-content ul li {
    color: #4b6b8f;
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 6px;
    list-style-type: disc;
}
.terms-content .highlight-box {
    background: #eef5ff;
    border-left: 4px solid #2563eb;
    padding: 18px 22px;
    border-radius: 8px;
    margin: 20px 0;
}
.terms-content .highlight-box strong { color: #2563eb; }
.terms-content .highlight-box p:last-child { margin-bottom: 0; }
.terms-content .divider {
    height: 1px;
    background: rgba(37, 99, 235, 0.04);
    margin: 32px 0;
}

/* ----- 3.10 文章详情 ( .article-detail-section ) ----- */
.article-detail-section {
    padding: 40px 0 60px;
    background: #ffffff;
}
.article-detail-wrapper {
    max-width: 820px;
    margin: 0 auto;
}
.detail-breadcrumb {
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-bottom: 20px;
}
.detail-breadcrumb a {
    color: #2563eb;
    text-decoration: none;
}
.detail-breadcrumb a:hover { text-decoration: underline; }
.detail-breadcrumb .sep {
    margin: 0 8px;
    color: #c5d5e8;
}
.detail-header {
    margin-bottom: 32px;
}
.detail-header .article-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 18px;
    border-radius: 20px;
    margin-bottom: 12px;
}
.detail-header .article-tag.dynamic {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.08);
}
.detail-header .article-tag.guide {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.08);
}
.detail-header .article-tag.tech {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.08);
}
.detail-header h1 {
    font-size: 2.4rem;
    font-weight: 800;
    color: #0f2b3d;
    line-height: 1.2;
    margin-bottom: 12px;
}
.detail-header .meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: #8aa3c0;
}
.detail-header .meta .date i { margin-right: 4px; }
.detail-header .meta .reading-time i { margin-right: 4px; }
.detail-header .meta .divider { color: #e0e7ff; }
.detail-cover {
    margin-bottom: 32px;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(37, 99, 235, 0.04);
}
.detail-cover img {
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: cover;
    display: block;
}

/* 文章正文 */
.detail-body {
    font-size: 1.05rem;
    color: #2f5478;
    line-height: 1.9;
}
.detail-body p { margin-bottom: 20px; }
.detail-body h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-top: 36px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid rgba(37, 99, 235, 0.06);
}
.detail-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-top: 28px;
    margin-bottom: 10px;
}
.detail-body h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #0f2b3d;
    margin-top: 22px;
    margin-bottom: 8px;
}
.detail-body a {
    color: #2563eb;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1.5px solid rgba(37, 99, 235, 0.15);
    transition: all 0.2s ease;
    padding-bottom: 1px;
}
.detail-body a:hover {
    color: #1d4ed8;
    border-bottom-color: #2563eb;
}
.detail-body ul {
    padding-left: 0;
    margin-bottom: 20px;
    list-style: none;
}
.detail-body ul li {
    position: relative;
    padding: 6px 0 6px 28px;
    margin-bottom: 2px;
    line-height: 1.7;
}
.detail-body ul li::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #2563eb;
    flex-shrink: 0;
}
.detail-body ul ul {
    margin-bottom: 4px;
    margin-top: 4px;
}
.detail-body ul ul li {
    padding: 4px 0 4px 28px;
}
.detail-body ul ul li::before {
    width: 6px;
    height: 6px;
    background: transparent;
    border: 2px solid #2563eb;
    top: 12px;
    left: 8px;
}
.detail-body ol {
    padding-left: 0;
    margin-bottom: 20px;
    list-style: none;
    counter-reset: ol-counter;
}
.detail-body ol li {
    position: relative;
    padding: 6px 0 6px 34px;
    margin-bottom: 2px;
    line-height: 1.7;
    counter-increment: ol-counter;
}
.detail-body ol li::before {
    content: counter(ol-counter) ".";
    position: absolute;
    left: 0;
    top: 6px;
    font-weight: 700;
    color: #2563eb;
    font-size: 0.95rem;
    min-width: 24px;
    text-align: right;
}
.detail-body ol ol {
    counter-reset: ol-alpha;
    margin-bottom: 4px;
    margin-top: 4px;
}
.detail-body ol ol li {
    padding: 4px 0 4px 34px;
    counter-increment: ol-alpha;
}
.detail-body ol ol li::before {
    content: counter(ol-alpha, lower-alpha) ".";
    font-weight: 600;
    color: #4b6b8f;
    font-size: 0.9rem;
    top: 4px;
}
.detail-body .table-wrap {
    overflow-x: auto;
    margin: 24px 0 28px;
    border-radius: 12px;
    border: 1px solid rgba(37, 99, 235, 0.04);
}
.detail-body .table-wrap table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    margin: 0;
}
.detail-body .table-wrap table thead {
    background: #eef5ff;
}
.detail-body .table-wrap table thead th {
    padding: 14px 18px;
    text-align: left;
    font-weight: 700;
    color: #0f2b3d;
    border-bottom: 2px solid rgba(37, 99, 235, 0.08);
    font-size: 0.95rem;
    white-space: nowrap;
}
.detail-body .table-wrap table tbody td {
    padding: 12px 18px;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    color: #4b6b8f;
    vertical-align: top;
}
.detail-body .table-wrap table tbody tr:nth-child(even) {
    background: #f7fbff;
}
.detail-body .table-wrap table tbody tr:hover {
    background: #eef5ff;
}
.detail-body pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 20px 24px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 20px 0 24px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    position: relative;
}
.detail-body pre::-webkit-scrollbar { height: 6px; }
.detail-body pre::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 6px;
}
.detail-body pre::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 6px;
}
.detail-body pre::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}
.detail-body code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    background: rgba(37, 99, 235, 0.06);
    color: #1d4ed8;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.88em;
    border: 1px solid rgba(37, 99, 235, 0.04);
    white-space: nowrap;
}
.detail-body pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    border: none;
    font-size: inherit;
    white-space: pre;
}
.detail-body blockquote {
    margin: 24px 0;
    padding: 18px 24px;
    background: #f7fbff;
    border-left: 4px solid #2563eb;
    border-radius: 0 8px 8px 0;
    color: #2f5478;
    font-style: italic;
}
.detail-body blockquote p:last-child { margin-bottom: 0; }
.detail-body blockquote cite {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: #6b8aae;
    font-style: normal;
    font-weight: 500;
}
.detail-body blockquote cite::before { content: "— "; }
.detail-body .highlight-box {
    background: #eef5ff;
    border-left: 4px solid #2563eb;
    padding: 18px 24px;
    border-radius: 8px;
    margin: 24px 0;
}
.detail-body .highlight-box strong { color: #2563eb; }
.detail-body .highlight-box p:last-child { margin-bottom: 0; }
.detail-body .divider {
    height: 1px;
    background: rgba(37, 99, 235, 0.04);
    margin: 36px 0;
}
.detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 20px 0;
    border: 1px solid rgba(37, 99, 235, 0.04);
}

/* 文章底部 */
.detail-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.detail-footer .btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #4b6b8f;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: 0.2s;
}
.detail-footer .btn-back:hover {
    color: #2563eb;
    gap: 12px;
}
.detail-footer .share {
    display: flex;
    align-items: center;
    gap: 12px;
}
.detail-footer .share .label {
    font-size: 0.85rem;
    color: #8aa3c0;
}
.detail-footer .share a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f7fbff;
    color: #4b6b8f;
    transition: 0.3s;
    border: 1px solid rgba(37, 99, 235, 0.04);
    text-decoration: none;
}
.detail-footer .share a:hover {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
    transform: translateY(-2px);
}

/* 相关文章 */
.related-section {
    padding: 50px 0 60px;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
.related-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 24px 22px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
    text-decoration: none;
    display: block;
}
.related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.related-card .tag-sm {
    display: inline-block;
    font-size: 0.55rem;
    font-weight: 600;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
    padding: 2px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}
.related-card .tag-sm.guide {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.08);
}
.related-card .tag-sm.tech {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.08);
}
.related-card .tag-sm.dynamic {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
}
.related-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}
.related-card p {
    font-size: 0.85rem;
    color: #5b7c9e;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #2563eb;
    font-weight: 500;
    font-size: 0.82rem;
    margin-top: 10px;
}
.related-card .read-more:hover {
    gap: 10px;
}


/* ================================================================
   5. 遗漏补丁包 — 恢复去重时误删的页面独有修饰类
   ================================================================ */

/* ----- 首页补丁 ----- */
/* 覆盖文章摘要：首页展示全部文字而非截断（原始设计） */
.page-home .article-content .article-desc {
    display: block;
    -webkit-line-clamp: unset;
    -webkit-box-orient: unset;
}

/* 国际权威认证 - 标签和徽章组 */
.page-home .cert-card .cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
    justify-content: center;
}
.page-home .cert-card .cert-tags span {
    background: rgba(37, 99, 235, 0.04);
    border: 1px solid rgba(37, 99, 235, 0.08);
    border-radius: 30px;
    padding: 3px 18px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #2563eb;
}
.page-home .cert-card .cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
    margin-top: 12px;
}
.page-home .cert-card .cert-badges .badge-item {
    background: rgba(37, 99, 235, 0.03);
    border-radius: 12px;
    padding: 10px 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    font-size: 0.85rem;
    font-weight: 600;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    gap: 8px;
}
.page-home .cert-card .cert-badges .badge-item i {
    color: #2563eb;
}

/* 首页服务模块 - 头部（特定边距） */
.page-home .services-module .section-header {
    text-align: center;
    margin-bottom: 36px;
}
.page-home .services-module .section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}
.page-home .services-module .section-sub {
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 首页合作 - 头部标题 */
.page-home .partner-header {
    text-align: center;
    margin-bottom: 48px;
}
.page-home .partner-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 12px;
}
.page-home .partner-header p {
    color: #5b7c9e;
    font-size: 1.1rem;
}
.page-home .partner-contact {
    margin-top: 40px;
    text-align: center;
    font-size: 0.9rem;
    color: #6b8aae;
}
.page-home .partner-contact a {
    color: #2563eb;
    text-decoration: none;
}

/* 首页产品 - 价格单位 */
.page-home .product-price .price-unit {
    font-size: 0.9rem;
    font-weight: normal;
    color: #6b8aae;
}

/* ----- 下载页补丁 ----- */
/* 版本号和更新链接 */
.download-card .version-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 2px;
}
.download-card .version-wrap .changelog-link {
    font-size: 0.65rem;
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}
.download-card .version-wrap .changelog-link:hover {
    text-decoration: underline;
}

/* 下载条款、大小、计数 */
.download-card .download-terms {
    font-size: 0.6rem;
    color: #b0c4d8;
    margin-top: 8px;
    line-height: 1.4;
}
.download-card .download-terms a {
    color: #8aa3c0;
    text-decoration: none;
}
.download-card .download-terms a:hover {
    color: #2563eb;
    text-decoration: underline;
}
.download-card .download-count {
    font-size: 0.7rem;
    color: #8aa3c0;
    margin-top: 8px;
}
.download-card .download-count i {
    color: #2563eb;
    margin-right: 4px;
}

/* 下载 - 快速上手步骤卡片（移动端微调） */
.guide-step p {
    font-size: 0.88rem;
    color: #5b7c9e;
    line-height: 1.6;
}

/* 信任标识 - 小屏适配 */
.trust-item .desc {
    font-size: 0.78rem;
    color: #5b7c9e;
}

/* ----- 功能页补丁 ----- */
/* 锚点导航的滚动边距（配合固定导航） */
.feature-card {
    scroll-margin-top: 80px;
}

/* ----- 文章详情页补丁（重要：三级列表样式） ----- */
.detail-body ol ol ol {
    counter-reset: ol-roman;
    margin-bottom: 4px;
    margin-top: 4px;
}
.detail-body ol ol ol li {
    counter-increment: ol-roman;
}
.detail-body ol ol ol li::before {
    content: counter(ol-roman, lower-roman) ".";
    font-weight: 500;
    color: #6b8aae;
    font-size: 0.85rem;
}
.detail-body .version-badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 2px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ----- 代理合作页补丁 ----- */
.partner-section .partner-feature i {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 16px;
}
.partner-section .commission-item ul li i {
    color: #2563eb;
    width: 18px;
    font-size: 0.85rem;
}

/* 代理弹窗 - 关闭按钮微调 */
.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: #8aa3c0;
    cursor: pointer;
    transition: 0.2s;
    padding: 4px 8px;
    border-radius: 8px;
    line-height: 1;
}

/* ----- 定价页补丁 ----- */
.pricing-sub {
    font-size: 0.78rem;
    color: #8aa3c0;
    margin-bottom: 16px;
}
.pricing-features li .icon-muted {
    color: #c5d5e8;
}
.pricing-section .compare-table thead th:first-child {
    width: 22%;
}
.pricing-section .btn-primary,
.pricing-section .btn-outline {
    /* 继承全局，但保证移动端全宽覆盖 */
    width: auto;
}

/* 定价页 - 年付省钱的"月付"删除线补强 */
.save-card .monthly {
    display: inline-block; /* 确保删除线可见 */
}

/* ----- 通用头部（页面标题内部的面包屑微调） ----- */
.page-header .breadcrumb .sep {
    margin: 0 8px;
    color: #c5d5e8;
}
.page-features .testimonial-grid{grid-template-columns: repeat(3, 1fr);}

.download-section .faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 下载页 用户评价网格（4列） */
.download-section .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}








/* ================================================================
   4. 全局响应式（统一断点，只保留一份）
   ================================================================ */

/* ----- 大屏/平板 ( ≤ 992px ) ----- */
@media (max-width: 992px) {
    /* 首页 */
    .page-home .intro-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .page-home .intro-stats {
        grid-template-columns: 1fr 1fr;
    }
    .page-home .cert-grid {
        flex-direction: column;
        align-items: center;
    }
    .page-home .cert-card {
        max-width: 100%;
        width: 100%;
    }
    .page-home .services-module .services-grid {
        grid-template-columns: 1fr 1fr;
    }
    .page-home .services-module .services-flex {
        flex-direction: column;
        text-align: center;
    }
    .page-home .services-module .services-right {
        width: 100%;
    }
    .page-home .services-module .showcase-img {
        max-width: 100%;
    }

    /* 关于 */
    .mission-block {
        flex-direction: column !important;
        gap: 30px;
        padding: 30px 0;
        text-align: center;
    }
    .mission-text ul {
        text-align: left;
        display: inline-block;
    }
    .about-section .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-section .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 下载 */
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .sysreq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .guide-grid {
        grid-template-columns: 1fr 1fr;
    }
    .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .download-section .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 功能 */
    .feature-card {
        flex-direction: column !important;
        gap: 30px;
        padding: 32px 0;
    }
    .feature-info {
        min-width: unset;
    }
    .feature-visual {
        min-width: unset;
        width: 100%;
    }
    .spec-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 100%;
    }

    /* 帮助中心 */
    .help-section .article-card {
        flex: 0 0 calc(50% - 15px);
    }

    /* 代理 */
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .commission-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 定价 */
    .pricing-grid {
        flex-direction: column;
        align-items: center;
    }
    .pricing-card {
        max-width: 420px;
        width: 100%;
    }
    .save-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pricing-section .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 隐私/条款 */
    .privacy-content,
    .terms-content {
        padding: 32px 28px;
    }

    /* 文章详情 */
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 通用标题 */
    .page-header h1 {
        font-size: 2.2rem;
    }

    /* 对比表格 */
    .compare-table thead th,
    .compare-table tbody td {
        padding: 12px 14px;
        font-size: 0.85rem;
    }
}

/* ----- 手机 ( ≤ 768px ) ----- */
@media (max-width: 768px) {
    /* 导航栏响应式 */
    .hamburger {
        display: flex;
    }
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        padding: 12px 0 4px;
        border-top: 1px solid rgba(59, 130, 246, 0.1);
        margin-top: 8px;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-actions {
        display: none;
        width: 100%;
        justify-content: center;
        padding: 8px 0 4px;
    }
    .nav-actions.active {
        display: flex;
    }
    .nav-links li a {
        padding: 10px 16px;
        width: 100%;
        justify-content: center;
        font-size: 0.95rem;
    }
    .btn-download-nav {
        width: 100%;
        justify-content: center;
    }

    /* 功能 - 隐藏锚点导航 */
    .anchor-nav {
        display: none;
    }

    /* 首页 */
    .page-home .hero h1 {
        font-size: 2.2rem;
    }
    .page-home .article-card {
        flex: 0 0 100%;
    }
    .page-home .services-module .services-grid {
        grid-template-columns: 1fr;
    }
    .page-home .services-module .services-left {
        min-width: unset;
    }
    .page-home .services-module .services-right {
        min-width: unset;
    }
    .page-home .services-module .showcase-img img {
        max-height: 280px;
    }
    .page-home .intro-stats {
        grid-template-columns: 1fr 1fr;
    }
    .page-home .cert-card {
        padding: 24px 18px;
    }
    .page-home .cert-card .cert-img-wrap {
        max-width: 100%;
    }
    .page-home .products-grid {
        flex-direction: column;
        align-items: center;
    }
    .page-home .partner-container {
        padding: 32px 24px;
    }
    .page-home .partner-features {
        flex-direction: column;
        align-items: center;
    }
    .page-home .partner-feature {
        width: 100%;
    }

    /* 关于 */
    .page-header h1 {
        font-size: 1.8rem;
    }
    .mission-text h2 {
        font-size: 1.6rem;
    }
    .about-section .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-section .values-grid {
        grid-template-columns: 1fr;
    }
    .about-section .timeline-item {
        flex-direction: column;
        gap: 6px;
        padding: 16px 20px;
    }
    .about-section .timeline-item .year {
        min-width: auto;
        font-size: 1rem;
    }

    /* 下载 */
    .download-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .sysreq-grid {
        grid-template-columns: 1fr 1fr;
    }
    .guide-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    .trust-grid {
        grid-template-columns: 1fr 1fr;
    }
    .download-section .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .visual-block {
        flex-direction: column !important;
        gap: 30px;
        padding: 30px 0;
        text-align: center;
    }
    .visual-block .text ul {
        text-align: left;
        display: inline-block;
    }
    .visual-block .visual .visual-img {
        max-width: 100%;
    }
    .visual-block .text h3 {
        font-size: 1.4rem;
    }

    /* 功能 */
    .feature-info h2 {
        font-size: 1.6rem;
    }
    .spec-grid {
        grid-template-columns: 1fr;
    }
    .compare-table thead th,
    .compare-table tbody td {
        padding: 10px 12px;
        font-size: 0.8rem;
    }
    .compare-table thead th:first-child {
        width: 40%;
    }

    /* 帮助中心 */
    .help-section .article-card {
        flex: 0 0 100%;
    }
    .help-section .search-box input {
        padding: 12px 16px 12px 44px;
        font-size: 0.95rem;
    }
    .help-section .search-box .search-icon {
        left: 16px;
        font-size: 0.95rem;
    }
    .help-section .search-box .submit-btn {
        padding: 6px 16px;
        font-size: 0.8rem;
        right: 4px;
    }
    .help-section .faq-question {
        font-size: 0.95rem;
        padding: 14px 16px;
    }
    .help-section .faq-item.active .faq-answer {
        padding: 0 16px 16px 16px;
    }
    .help-section .faq-answer {
        font-size: 0.9rem;
    }
    .help-section .pagination a,
    .help-section .pagination .current {
        min-width: 36px;
        height: 36px;
        padding: 0 12px;
        font-size: 0.85rem;
    }

    /* 代理 */
    .advantages-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .commission-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .process-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .cta-box {
        padding: 28px 20px;
    }
    .cta-box h3 {
        font-size: 1.3rem;
    }
    .btn-primary,
    .btn-outline {
        width: 100%;
        justify-content: center;
    }
    .cta-box .btn-group {
        flex-direction: column;
        align-items: center;
    }
    .modal-box {
        padding: 30px 24px 28px;
    }
    .modal-box .modal-title {
        font-size: 1.3rem;
    }

    /* 定价 */
    .pricing-price {
        font-size: 2.2rem;
    }
    .save-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .why-grid {
        grid-template-columns: 1fr;
    }
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    .pricing-section .testimonial-grid {
        grid-template-columns: 1fr;
    }
    .pricing-section .cta-section h2 {
        font-size: 1.6rem;
    }
    .pricing-section .offer-bar {
        font-size: 0.85rem;
        padding: 12px 16px;
    }
    .pricing-section .faq-item {
        padding: 16px 20px;
    }
    .pricing-section .faq-question {
        font-size: 1rem;
    }
    .pricing-section .faq-answer {
        padding-left: 0;
        font-size: 0.9rem;
    }

    /* 隐私/条款 */
    .privacy-content,
    .terms-content {
        padding: 24px 18px;
    }
    .privacy-content h2,
    .terms-content h2 {
        font-size: 1.2rem;
    }
    .privacy-content ul,
    .terms-content ul {
        padding-left: 24px;
    }

    /* 文章详情 */
    .detail-header h1 {
        font-size: 1.6rem;
    }
    .detail-body {
        font-size: 0.98rem;
    }
    .detail-body h2 {
        font-size: 1.3rem;
    }
    .detail-body .table-wrap table {
        font-size: 0.85rem;
    }
    .detail-body .table-wrap table thead th,
    .detail-body .table-wrap table tbody td {
        padding: 10px 14px;
    }
    .detail-body pre {
        padding: 16px 18px;
        font-size: 0.82rem;
    }
    .detail-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    .related-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    /* 通用 */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }
    .cta-section h2 {
        font-size: 1.6rem;
    }
    .cta-section .btn-group {
        flex-direction: column;
        align-items: center;
    }
}

/* ----- 小屏手机 ( ≤ 480px ) ----- */
@media (max-width: 480px) {
    /* 首页 */
    .page-home .intro-stats {
        grid-template-columns: 1fr;
    }
    .page-home .hero h1 {
        font-size: 1.8rem;
    }
    .page-home .hero-desc {
        font-size: 1rem;
    }
    .page-home .platform-badge {
        gap: 10px;
    }
    .page-home .platform-item {
        font-size: 0.8rem;
        padding: 4px 12px;
    }
    .page-home .product-card {
        min-width: unset;
        width: 100%;
        max-width: 100%;
    }
    .page-home .download-card {
        min-width: unset;
        width: 100%;
        max-width: 100%;
    }
    .page-home .cert-card {
        padding: 18px 14px;
    }
    .page-home .partner-container {
        padding: 24px 16px;
    }
    .page-home .faq-item {
        padding: 18px 20px;
    }
    .page-home .faq-question {
        font-size: 1.1rem;
    }

    /* 关于 */
    .page-header h1 {
        font-size: 1.5rem;
    }
    .mission-text h2 {
        font-size: 1.3rem;
    }
    .about-section .stats-grid {
        grid-template-columns: 1fr;
    }
    .mission-visual .icon-display {
        font-size: 3.5rem;
    }

    /* 下载 */
    .download-card {
        padding: 24px 16px 20px;
    }
    .download-card .os-icon {
        font-size: 2.8rem;
    }
    .download-card .os-name {
        font-size: 1.3rem;
    }
    .sysreq-grid {
        grid-template-columns: 1fr;
    }
    .download-section .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .trust-grid {
        grid-template-columns: 1fr;
    }
    .guide-step {
        padding: 28px 18px 22px;
    }
    .visual-block .text h3 {
        font-size: 1.2rem;
    }
    .visual-block .visual {
        padding: 12px;
    }
    .visual-block .visual .visual-img {
        max-width: 100%;
        border-radius: 12px;
    }
    .feedback-box {
        padding: 20px 16px;
    }
    .feedback-box .btn-fb {
        width: 100%;
        justify-content: center;
    }
    .feedback-box .btn-group-fb {
        flex-direction: column;
    }

    /* 功能 */
    .feature-info h2 {
        font-size: 1.3rem;
    }
    .compare-table-wrap {
        border-radius: 12px;
    }
    .compare-table thead th,
    .compare-table tbody td {
        padding: 8px 10px;
        font-size: 0.75rem;
    }
    .btn-primary,
    .btn-outline {
        width: 100%;
        justify-content: center;
    }

    /* 帮助中心 */
    .help-section .search-box input {
        padding: 10px 14px 10px 38px;
        font-size: 0.9rem;
        border-radius: 40px;
    }
    .help-section .search-box .search-icon {
        left: 14px;
        font-size: 0.85rem;
    }
    .help-section .search-box .submit-btn {
        padding: 4px 12px;
        font-size: 0.75rem;
        right: 4px;
    }
    .help-section .faq-question {
        font-size: 0.9rem;
        padding: 12px 14px;
    }
    .help-section .faq-item.active .faq-answer {
        padding: 0 14px 14px 14px;
    }
    .help-section .pagination a,
    .help-section .pagination .current {
        min-width: 32px;
        height: 32px;
        padding: 0 10px;
        font-size: 0.8rem;
    }
    .help-section .empty-state .empty-icon {
        font-size: 2.5rem;
    }
    .help-section .empty-state h4 {
        font-size: 1rem;
    }
    .help-section .empty-state p {
        font-size: 0.85rem;
    }

    /* 代理 */
    .page-header h1 {
        font-size: 1.5rem;
    }
    .partner-intro h2 {
        font-size: 1.5rem;
    }
    .advantage-item .num {
        font-size: 1.3rem;
    }
    .commission-item .rate {
        font-size: 2rem;
    }
    .modal-box {
        padding: 24px 16px 20px;
        border-radius: 20px;
    }
    .modal-box .form-group input,
    .modal-box .form-group textarea {
        padding: 10px 14px;
        font-size: 0.9rem;
    }

    /* 定价 */
    .page-header h1 {
        font-size: 1.5rem;
    }
    .pricing-card {
        padding: 28px 18px 24px;
    }
    .pricing-price {
        font-size: 1.8rem;
    }
    .pricing-name {
        font-size: 1.3rem;
    }
    .pricing-card.featured::before,
    .pricing-card.popular::before {
        font-size: 0.6rem;
        padding: 3px 16px;
        top: -10px;
    }
    .compare-table thead th,
    .compare-table tbody td {
        padding: 8px 8px;
        font-size: 0.7rem;
    }
    .pricing-section .faq-item {
        padding: 14px 16px;
    }
    .pricing-section .offer-bar {
        font-size: 0.78rem;
        padding: 10px 12px;
    }

    /* 隐私/条款 */
    .privacy-content,
    .terms-content {
        padding: 18px 14px;
    }
    .privacy-content h2,
    .terms-content h2 {
        font-size: 1.1rem;
    }
    .privacy-content p,
    .privacy-content ul li,
    .terms-content p,
    .terms-content ul li {
        font-size: 0.9rem;
    }
    .privacy-content ul,
    .terms-content ul {
        padding-left: 18px;
    }

    /* 文章详情 */
    .detail-header h1 {
        font-size: 1.3rem;
    }
    .detail-body {
        font-size: 0.92rem;
    }
    .detail-body h2 {
        font-size: 1.1rem;
    }
    .detail-body ul li {
        padding: 5px 0 5px 24px;
    }
    .detail-body ol li {
        padding: 5px 0 5px 28px;
    }
    .detail-body .table-wrap table {
        font-size: 0.78rem;
    }
    .detail-body .table-wrap table thead th,
    .detail-body .table-wrap table tbody td {
        padding: 8px 10px;
    }
    .detail-body pre {
        padding: 14px 14px;
        font-size: 0.78rem;
        border-radius: 8px;
    }
    .detail-header .meta {
        font-size: 0.78rem;
        gap: 12px;
    }
    .detail-cover img {
        max-height: 200px;
    }
    .detail-footer .share a {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }

    /* 通用 */
    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 38px;
        height: 38px;
        font-size: 0.85rem;
    }
}