/* ================================================================
   📦 QuickQ 全站样式 · 重构版
   说明：全局样式仅保留一份，各页面特有样式按模块分组。
   ================================================================ */

/* ================================================================
   🔹 1. 全局重置 & 基础
   ================================================================ */
* {
    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. 导航栏（全局组件）
   ================================================================ */
.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;
}


/* ================================================================
   🔹 3. 页面标题区（全局组件）
   ================================================================ */
.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;
}


/* ================================================================
   🔹 4. 通用组件
   ================================================================ */

/* ----- 按钮 ----- */
.btn-primary {
    background: linear-gradient(105deg, #2563eb, #1d4ed8);
    color: #fff;
    border: none;
    padding: 14px 36px;
    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: 12px 32px;
    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);
}

.btn-guide {
    background: transparent;
    border: 1.5px solid #e0e7ff;
    color: #4b6b8f;
    padding: 12px 32px;
    border-radius: 40px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-guide:hover {
    border-color: #2563eb;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.04);
}

/* ----- CTA 区块（通用） ----- */
.cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, #eef5ff 0%, #ffffff 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 12px;
}

.cta-section p {
    color: #5b7c9e;
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto 28px;
}

.cta-section .btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ----- 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);
}

/* ----- 通用标题组件 ----- */
.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 {
    display: inline-block;
    background: rgba(37, 99, 235, 0.06);
    border: 1px solid rgba(37, 99, 235, 0.08);
    border-radius: 40px;
    padding: 4px 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 6px;
}


/* ================================================================
   📄 页面特有样式
   ================================================================ */

/* ================================================================
   📄 关于我们页面
   ================================================================ */
.about-section {
    padding: 50px 0 70px;
    background: #ffffff;
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
}

/* 使命区块 */
.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;
}

/* 数据统计 */
.stats-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}

.stats-block .section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.stats-block .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.stats-block .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.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;
}

.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);
}

.stats-item .number {
    font-size: 2.4rem;
    font-weight: 800;
    color: #2563eb;
    display: block;
}

.stats-item .label {
    font-size: 0.9rem;
    color: #5b7c9e;
}

/* 发展历程 */
.timeline-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}

.timeline-block .section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.timeline-block .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.timeline-block .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.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;
}

.timeline-item:hover {
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.04);
}

.timeline-item .year {
    flex-shrink: 0;
    font-size: 1.2rem;
    font-weight: 800;
    color: #2563eb;
    min-width: 80px;
    padding-top: 2px;
}

.timeline-item .content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 4px;
}

.timeline-item .content p {
    font-size: 0.9rem;
    color: #5b7c9e;
    line-height: 1.6;
}

/* 价值观 */
.values-block {
    padding: 50px 0;
}

.values-block .section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.values-block .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.values-block .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.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;
}

.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);
}

.value-item .icon {
    font-size: 2.4rem;
    color: #2563eb;
    margin-bottom: 12px;
}

.value-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}

.value-item p {
    font-size: 0.88rem;
    color: #5b7c9e;
    line-height: 1.6;
}


/* ================================================================
   📄 下载页面
   ================================================================ */
/* 数据统计条 */
.stats-bar {
    padding: 30px 0;
    background: #ffffff;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}

.stats-bar .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.stats-bar .stats-item {
    text-align: center;
    background: transparent;
    padding: 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.stats-bar .stats-item .number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #2563eb;
    display: block;
}

.stats-bar .stats-item .label {
    font-size: 0.85rem;
    color: #5b7c9e;
}

/* 下载卡片区 */
.download-section {
    padding: 60px 0 70px;
    background: #ffffff;
}

.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 .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;
}

.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 .btn-download-store i {
    color: #2563eb;
}

.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 .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;
}

.download-card .download-count {
    font-size: 0.7rem;
    color: #8aa3c0;
    margin-top: 8px;
}

.download-card .download-count i {
    color: #2563eb;
    margin-right: 4px;
}

/* 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-section .section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.sysreq-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.sysreq-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.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;
}

/* 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-section .section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.guide-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.guide-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.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;
}

/* 图文穿插区块 */
.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-section .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.visual-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.visual-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.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;
}

/* 信任标识区 */
.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-section .section-title {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 30px;
}

.trust-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.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;
}

/* 用户评价（8条） */
.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-section .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.testimonial-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.testimonial-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.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;
}

.testimonial-card .badge-platform {
    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-top: 6px;
}

/* 互动反馈区 */
.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 .btn-fb i {
    font-size: 1rem;
}

.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;
}

/* 平台功能对比（下载页） */
.compare-section {
    padding: 60px 0 70px;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}

.compare-section .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.compare-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.compare-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.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 tbody tr:last-child td {
    border-bottom: none;
}

.compare-table .icon-check {
    color: #22c55e;
}

.compare-table .icon-x {
    color: #ef4444;
}

.compare-table .highlight td {
    background: #eef5ff;
    font-weight: 600;
}

/* FAQ（折叠式） */
.faq-section {
    padding: 60px 0 70px;
    background: #ffffff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}

.faq-section .section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.faq-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.faq-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

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

.faq-item {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.25s;
    overflow: hidden;
    cursor: pointer;
}

.faq-item:hover {
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.03);
}

.faq-item.active {
    border-color: #2563eb;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
}

.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;
}

.faq-question .q-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-question .q-left i {
    color: #2563eb;
    font-size: 0.85rem;
    width: 18px;
    flex-shrink: 0;
}

.faq-question .toggle-icon {
    color: #8aa3c0;
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .toggle-icon {
    transform: rotate(180deg);
    color: #2563eb;
}

.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;
}

.faq-item.active .faq-answer {
    max-height: 400px;
    padding: 0 28px 22px 28px;
}


/* ================================================================
   📄 功能页面 (features)
   ================================================================ */
/* 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;
}

/* 功能列表 */
.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-info .benefit strong {
    color: #0f2b3d;
}

.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;
}

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

.features-section .compare-section .section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.features-section .compare-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.features-section .compare-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.features-section .compare-table thead th {
    padding: 16px 24px;
    text-align: left;
}

.features-section .compare-table thead th:first-child {
    width: 30%;
}

.features-section .compare-table thead th:not(:first-child) {
    text-align: center;
}

.features-section .compare-table tbody td:first-child {
    font-weight: 600;
    color: #0f2b3d;
}

.features-section .compare-table tbody td:not(:first-child) {
    text-align: center;
}

.features-section .compare-table .highlight-row td {
    background: #eef5ff;
    font-weight: 600;
}

/* 用户证言（功能页） */
.features-section .testimonial-section {
    padding: 60px 0 70px;
    background: #ffffff;
}

.features-section .testimonial-section .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.features-section .testimonial-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.features-section .testimonial-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.features-section .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.features-section .testimonial-card {
    background: #f7fbff;
    border-radius: 20px;
    padding: 28px 24px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}

.features-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);
}

.features-section .testimonial-card .stars {
    color: #f5a623;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.features-section .testimonial-card .quote {
    color: #0f2b3d;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 14px;
}

.features-section .testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.features-section .testimonial-card .author .avatar-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid rgba(37, 99, 235, 0.06);
}

.features-section .testimonial-card .author .info .name {
    font-weight: 600;
    color: #0f2b3d;
    font-size: 0.9rem;
}

.features-section .testimonial-card .author .info .role {
    font-size: 0.8rem;
    color: #8aa3c0;
}

/* 技术规格 — 每排3个 */
.spec-section {
    padding: 60px 0 70px;
    background: #f8fcff;
}

.spec-section .section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.spec-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.spec-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.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;
}


/* ================================================================
   📄 文章列表页面 (blog)
   ================================================================ */
/* 搜索框 */
.search-section {
    padding: 24px 0 30px;
    background: #ffffff;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-box form {
    display: flex;
    position: relative;
    width: 100%;
}

.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;
}

.search-box input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.06);
    background: #ffffff;
}

.search-box input::placeholder {
    color: #8aa3c0;
}

.search-box .search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #8aa3c0;
    font-size: 1.1rem;
    pointer-events: none;
}

.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;
}

.search-box .submit-btn:hover {
    background: #1d4ed8;
}

.search-stats {
    text-align: center;
    font-size: 0.85rem;
    color: #8aa3c0;
    margin-top: 12px;
    min-height: 24px;
}

.search-stats strong {
    color: #2563eb;
}

.search-stats .clear-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    margin-left: 12px;
}

.search-stats .clear-link:hover {
    text-decoration: underline;
}

/* 文章列表 */
.articles-section {
    padding: 40px 0 60px;
    background: #ffffff;
}

.articles-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

/* 空状态 */
.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    width: 100%;
    text-align: center;
}

.empty-state.show {
    display: flex;
}

.empty-state .empty-icon {
    font-size: 4rem;
    color: #c5d5e8;
    margin-bottom: 16px;
}

.empty-state h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 0.95rem;
    color: #8aa3c0;
    max-width: 400px;
    margin-bottom: 20px;
}

.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;
}

.empty-state .btn-empty-back:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.3);
}

/* 文章卡片 */
.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);
}

.article-card:hover {
    transform: translateY(-6px);
    border-color: #93c5fd;
    box-shadow: 0 20px 30px -12px rgba(37, 99, 235, 0.15);
}

.article-card.hidden {
    display: none;
}

.article-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: #dbeafe;
    loading: lazy;
}

.article-content {
    padding: 18px 20px 20px;
}

.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);
}

.article-content .article-tag.dynamic {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.08);
}

.article-content .article-tag.guide {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.08);
    border-color: rgba(34, 197, 94, 0.08);
}

.article-content .article-tag.tech {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.08);
}

.article-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-content h3 i {
    color: #2563eb;
}

.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;
}

.article-card:hover .article-desc {
    -webkit-line-clamp: unset;
    display: block;
}

.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);
}

.article-content .article-meta .date i {
    margin-right: 4px;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #2563eb;
    font-weight: 500;
    font-size: 0.85rem;
    text-decoration: none;
}

.article-link:hover {
    gap: 10px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.pagination.hidden {
    display: none;
}

.pagination a,
.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;
}

.pagination a:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

.pagination .current {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
    cursor: default;
}

.pagination .disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    background: #f7fbff;
    border-color: #e0e7ff;
    color: #8aa3c0;
}

.pagination .disabled:hover {
    background: #f7fbff;
    border-color: #e0e7ff;
    color: #8aa3c0;
}


/* ================================================================
   📄 文章详情页面 (article)
   ================================================================ */
.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;
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    padding: 4px 18px;
    border-radius: 20px;
    border: 1px solid rgba(245, 158, 11, 0.08);
    margin-bottom: 12px;
}

.detail-header .article-tag.dynamic {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.08);
}

.detail-header .article-tag.guide {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.08);
    border-color: rgba(34, 197, 94, 0.08);
}

.detail-header .article-tag.tech {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.08);
    border-color: 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 a:visited {
    color: #7c3aed;
    border-bottom-color: rgba(124, 58, 237, 0.15);
}

.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 ul ul ul li::before {
    width: 6px;
    height: 6px;
    background: #93c5fd;
    border: none;
    border-radius: 2px;
    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 ol ol ol {
    counter-reset: ol-roman;
}

.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 .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;
    border-radius: 0;
    box-shadow: none;
}

.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:last-child td {
    border-bottom: none;
}

.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;
    position: relative;
}

.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 .version-badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 2px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.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-section .section-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #0f2b3d;
    text-align: center;
    margin-bottom: 8px;
}

.related-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.related-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.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;
}


/* ================================================================
   📄 代理合作页面 (partner)
   ================================================================ */
.partner-section {
    padding: 50px 0 70px;
    background: #ffffff;
}

.partner-content {
    max-width: 1100px;
    margin: 0 auto;
}

/* 合作概述 */
.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;
}

/* 优势展示 */
.advantages-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}

.advantages-block .section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.advantages-block .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.advantages-block .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.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;
}

/* 佣金阶梯 */
.commission-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}

.commission-block .section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.commission-block .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.commission-block .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.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;
}

/* 合作流程 */
.process-block {
    padding: 50px 0;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
}

.process-block .section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 8px;
}

.process-block .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.process-block .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.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;
}

/* 申请 CTA */
.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;
}

/* 弹窗（Modal） */
.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 .form-group .helper {
    font-size: 0.75rem;
    color: #8aa3c0;
    margin-top: 4px;
}

.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 .btn-submit:active {
    transform: translateY(0);
}

.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;
}


/* ================================================================
   📄 价格页面 (pricing)
   ================================================================ */
/* 优惠提醒条 */
.offer-bar {
    background: linear-gradient(105deg, #2563eb, #1d4ed8);
    color: #fff;
    padding: 14px 0;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 500;
}

.offer-bar i {
    margin-right: 8px;
}

.offer-bar a {
    color: #fff;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.offer-bar a:hover {
    color: #dbeafe;
}

/* 套餐价格卡片 */
.pricing-section {
    padding: 60px 0 40px;
    background: #ffffff;
}

.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);
    position: relative;
}

.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-sub {
    font-size: 0.78rem;
    color: #8aa3c0;
    margin-bottom: 16px;
}

.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 .icon-muted {
    color: #c5d5e8;
}

.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);
}

/* 年付 vs 月付 对比 */
.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;
}

/* 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-section .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.why-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.why-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.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;
}

/* 使用场景 */
.scenario-section {
    padding: 60px 0;
    background: #ffffff;
}

.scenario-section .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.scenario-section .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.scenario-section .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.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;
}

.scenario-item .tag {
    display: inline-block;
    font-size: 0.65rem;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
    padding: 2px 12px;
    border-radius: 20px;
    margin-top: 6px;
}

/* 用户证言（价格页） */
.pricing-testimonial {
    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-testimonial .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.pricing-testimonial .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.pricing-testimonial .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.pricing-testimonial .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-testimonial .testimonial-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 24px 22px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.3s;
}

.pricing-testimonial .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-testimonial .testimonial-card .stars {
    color: #f5a623;
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.pricing-testimonial .testimonial-card .quote {
    color: #0f2b3d;
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.pricing-testimonial .testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-testimonial .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-testimonial .testimonial-card .author .info .name {
    font-weight: 600;
    color: #0f2b3d;
    font-size: 0.85rem;
}

.pricing-testimonial .testimonial-card .author .info .role {
    font-size: 0.75rem;
    color: #8aa3c0;
}

.pricing-testimonial .testimonial-card .badge-plan {
    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-top: 8px;
}

/* 套餐对比表格（价格页） */
.pricing-compare {
    padding: 60px 0 70px;
    background: #ffffff;
}

.pricing-compare .section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.pricing-compare .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.pricing-compare .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.pricing-compare .compare-table thead th {
    padding: 16px 20px;
    text-align: center;
}

.pricing-compare .compare-table thead th:first-child {
    text-align: left;
    width: 22%;
}

.pricing-compare .compare-table tbody td {
    padding: 12px 20px;
    text-align: center;
}

.pricing-compare .compare-table tbody td:first-child {
    text-align: left;
}

.pricing-compare .compare-table .highlight td {
    background: #eef5ff;
    font-weight: 600;
}

/* FAQ（价格页） */
.pricing-faq {
    padding: 60px 0 70px;
    background: #f8fcff;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}

.pricing-faq .section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #0f2b3d;
    margin-bottom: 10px;
}

.pricing-faq .section-title i {
    color: #2563eb;
    margin-right: 10px;
}

.pricing-faq .section-sub {
    text-align: center;
    color: #5b7c9e;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.pricing-faq .faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pricing-faq .faq-item {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px 28px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: 0.25s;
}

.pricing-faq .faq-item:hover {
    border-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.03);
}

.pricing-faq .faq-question {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f2b3d;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-faq .faq-question i {
    color: #2563eb;
    font-size: 0.85rem;
    width: 18px;
}

.pricing-faq .faq-answer {
    margin-top: 6px;
    padding-left: 30px;
    color: #5b7c9e;
    font-size: 0.95rem;
    line-height: 1.7;
}


/* ================================================================
   📄 隐私政策页面 (privacy)
   ================================================================ */
.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;
}


/* ================================================================
   📄 服务条款页面 (terms)
   ================================================================ */
.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;
}


/* ================================================================
   📄 首页 (home) — 使用 .page-home 命名空间
   ================================================================ */



/* ================================================================
   📱 响应式（全局 + 各页面适配）
   ================================================================ */

/* ----- 大屏适配 (≤992px) ----- */
@media (max-width: 992px) {
    /* 关于页 */
    .mission-block {
        flex-direction: column !important;
        gap: 30px;
        padding: 30px 0;
        text-align: center;
    }
    .mission-text ul {
        text-align: left;
        display: inline-block;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    /* 功能页 */
    .spec-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 100%;
    }

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

    /* 价格页 */
    .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);
    }

    /* 首页 */
    .page-home .article-card {
        flex: 0 0 calc(50% - 15px);
    }
    .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%;
    }
    .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%;
    }
    .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%;
    }

    /* 通用 */
    .page-header h1 {
        font-size: 2.2rem;
    }
    .compare-table thead th,
    .compare-table tbody td {
        padding: 12px 14px;
        font-size: 0.85rem;
    }
    .feedback-box {
        padding: 24px 20px;
    }
    .detail-header h1 {
        font-size: 2rem;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .privacy-content,
    .terms-content {
        padding: 32px 28px;
    }
    .feature-card {
        flex-direction: column !important;
        gap: 30px;
        padding: 32px 0;
    }
    .feature-info {
        min-width: unset;
    }
    .feature-visual {
        min-width: unset;
        width: 100%;
    }
    .anchor-nav ul {
        gap: 12px;
    }
    .anchor-nav ul li a {
        font-size: 0.8rem;
    }
}


/* ----- 中屏适配 (≤768px) ----- */
@media (max-width: 768px) {
    /* 导航汉堡菜单 */
    .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;
    }

    /* 全局标题 */
    .page-header h1 {
        font-size: 1.8rem;
    }

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

    /* 下载页 */
    .download-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .sysreq-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stats-bar .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .trust-grid {
        grid-template-columns: 1fr 1fr;
    }
    .guide-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    .compare-table thead th,
    .compare-table tbody td {
        padding: 8px 10px;
        font-size: 0.7rem;
    }
    .faq-item {
        padding: 0;
    }
    .faq-question {
        font-size: 0.95rem;
        padding: 14px 18px;
    }
    .faq-answer {
        font-size: 0.9rem;
    }
    .faq-item.active .faq-answer {
        padding: 0 18px 16px 18px;
    }

    /* 功能页 */
    .anchor-nav {
        display: none;
    }
    .spec-grid {
        grid-template-columns: 1fr;
    }
    .features-section .testimonial-grid {
        grid-template-columns: 1fr;
    }

    /* 文章列表 */
    .article-card {
        flex: 0 0 100%;
    }
    .search-box input {
        padding: 12px 16px 12px 44px;
        font-size: 0.95rem;
    }
    .search-box .search-icon {
        left: 16px;
        font-size: 0.95rem;
    }
    .search-box .submit-btn {
        padding: 6px 16px;
        font-size: 0.8rem;
        right: 4px;
    }

    /* 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;
    }

    /* 代理合作 */
    .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;
    }

    /* 价格页 */
    .pricing-price {
        font-size: 2.2rem;
    }
    .save-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .compare-table thead th,
    .compare-table tbody td {
        padding: 10px 10px;
        font-size: 0.78rem;
    }
    .compare-table thead th:first-child {
        width: 30%;
    }
    .pricing-faq .faq-item {
        padding: 16px 20px;
    }
    .pricing-faq .faq-question {
        font-size: 1rem;
    }
    .pricing-faq .faq-answer {
        padding-left: 0;
        font-size: 0.9rem;
    }
    .why-grid {
        grid-template-columns: 1fr;
    }
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    .pricing-testimonial .testimonial-grid {
        grid-template-columns: 1fr;
    }

    /* 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;
    }

    /* 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%;
    }

    /* 通用 */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }
    .cta-section h2 {
        font-size: 1.6rem;
    }
    .offer-bar {
        font-size: 0.85rem;
        padding: 12px 16px;
    }
    .pagination a,
    .pagination .current {
        min-width: 36px;
        height: 36px;
        padding: 0 12px;
        font-size: 0.85rem;
    }
    .empty-state .empty-icon {
        font-size: 3rem;
    }
    .empty-state h4 {
        font-size: 1.1rem;
    }
    .empty-state p {
        font-size: 0.88rem;
    }
}


/* ----- 小屏适配 (≤480px) ----- */
@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.5rem;
    }

    /* 关于页 */
    .mission-text h2 {
        font-size: 1.3rem;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .mission-visual .icon-display {
        font-size: 3.5rem;
    }

    /* 下载页 */
    .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;
    }
    .stats-bar .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .trust-grid {
        grid-template-columns: 1fr;
    }
    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    /* 功能页 */
    .feature-info h2 {
        font-size: 1.3rem;
    }
    .spec-item .num {
        font-size: 1.8rem;
    }

    /* 文章列表 */
    .search-box input {
        padding: 10px 14px 10px 38px;
        font-size: 0.9rem;
        border-radius: 40px;
    }
    .search-box .search-icon {
        left: 14px;
        font-size: 0.85rem;
    }
    .search-box .submit-btn {
        padding: 4px 12px;
        font-size: 0.75rem;
        right: 4px;
    }

    /* 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;
    }

    /* 代理合作 */
    .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;
    }

    /* 价格页 */
    .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;
    }
    .btn-primary,
    .btn-outline {
        width: 100%;
        justify-content: center;
    }
    .cta-section .btn-group {
        flex-direction: column;
        align-items: center;
    }
    .compare-table thead th,
    .compare-table tbody td {
        padding: 8px 8px;
        font-size: 0.7rem;
    }
    .pricing-faq .faq-item {
        padding: 14px 16px;
    }
    .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;
    }

    /* 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: 100%;
        width: 100%;
        max-width: 100%;
    }
    .page-home .cert-card {
        padding: 18px 14px;
    }
    .page-home .partner-container {
        padding: 24px 16px;
    }
    .page-home .faq-section .faq-item {
        padding: 18px 20px;
    }
    .page-home .faq-section .faq-question {
        font-size: 1.1rem;
    }

    /* 通用 */
    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 38px;
        height: 38px;
        font-size: 0.85rem;
    }
    .pagination a,
    .pagination .current {
        min-width: 32px;
        height: 32px;
        padding: 0 10px;
        font-size: 0.8rem;
    }
    .empty-state .empty-icon {
        font-size: 2.5rem;
    }
    .empty-state h4 {
        font-size: 1rem;
    }
    .empty-state p {
        font-size: 0.85rem;
    }
    .empty-state .btn-empty-back {
        padding: 8px 20px;
        font-size: 0.82rem;
    }
}