:root {
    --primary-color: #1a3a6e;
    --primary-dark: #0d2341;
    --primary-light: #2d5aa0;
    --secondary-color: #c8102e;
    --accent-color: #d4a84b;
    --text-color: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-color: #f5f7fa;
    --bg-white: #ffffff;
    --bg-dark: #1a3a6e;
    --border-color: #e0e5eb;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    padding: 8px 0;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top-left, .header-top-right {
    display: flex;
    gap: 24px;
}

.header-top span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-top i {
    font-size: 12px;
    opacity: 0.8;
}

.main-nav {
    background: var(--bg-white);
    border-bottom: 3px solid var(--primary-color);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    font-size: 42px;
    color: var(--primary-color);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-item > a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-item > a:hover,
.nav-item.active > a {
    color: var(--primary-color);
    background: rgba(26, 58, 110, 0.06);
}

.nav-item > a i {
    font-size: 10px;
    transition: var(--transition);
}

.nav-item:hover > a i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    padding: 8px 0;
    z-index: 100;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.dropdown-menu li a i {
    width: 20px;
    color: var(--primary-color);
}

.nav-search {
    display: flex;
    align-items: center;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--bg-color);
    border-radius: 24px;
    padding: 4px;
    border: 1px solid var(--border-color);
}

.search-input {
    width: 200px;
    padding: 8px 16px;
    border: none;
    background: transparent;
    font-size: 14px;
    outline: none;
}

.search-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-dark);
}

.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 20px;
}

.hero-banner {
    position: relative;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
    padding: 80px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    text-align: center;
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 24px;
    font-size: 14px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-badge i {
    color: var(--accent-color);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-search {
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-search-form {
    position: relative;
}

.hero-search-wrapper {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 50px;
    padding: 6px 6px 6px 24px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.hero-search-wrapper i {
    color: var(--text-muted);
    font-size: 18px;
}

.hero-search-input {
    flex: 1;
    border: none;
    padding: 14px 16px;
    font-size: 16px;
    outline: none;
}

.hero-search-btn {
    padding: 14px 32px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.hero-search-btn:hover {
    background: #a30d26;
    transform: scale(1.02);
}

.hot-keywords {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.9;
}

.hot-keywords span {
    margin-right: 8px;
}

.hot-keywords a {
    color: white;
    margin: 0 8px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.1);
    border-radius: 16px;
    font-size: 13px;
}

.hot-keywords a:hover {
    background: rgba(255,255,255,0.2);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 50px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.quick-access {
    margin-top: -40px;
    position: relative;
    z-index: 10;
    padding-bottom: 40px;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.quick-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.quick-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.quick-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.quick-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}

.quick-content p {
    font-size: 13px;
    color: var(--text-muted);
}

.quick-item > i {
    margin-left: auto;
    color: var(--primary-color);
    opacity: 0;
    transition: var(--transition);
}

.quick-item:hover > i {
    opacity: 1;
    transform: translateX(4px);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 4px 16px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.section-desc {
    font-size: 15px;
    color: var(--text-light);
}

.view-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
}

.view-all-btn:hover {
    background: var(--primary-color);
    color: white;
}

.main-categories {
    padding: 60px 0;
    background: var(--bg-white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.category-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.category-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-card.category-large {
    grid-column: span 1;
    grid-row: span 2;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: linear-gradient(135deg, #f8f9fb 0%, #f0f2f5 100%);
    border-bottom: 1px solid var(--border-color);
}

.category-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.category-icon.icon-blue {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
}

.category-icon.icon-green {
    background: linear-gradient(135deg, #059669, #10b981);
}

.category-icon.icon-orange {
    background: linear-gradient(135deg, #d97706, #f59e0b);
}

.category-icon.icon-purple {
    background: linear-gradient(135deg, #7c3aed, #8b5cf6);
}

.category-icon.icon-red {
    background: linear-gradient(135deg, #dc2626, #ef4444);
}

.category-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}

.category-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.category-body {
    padding: 20px 24px;
}

.category-list li {
    margin-bottom: 12px;
}

.category-list li a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-color);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.category-list li a:hover {
    background: var(--bg-color);
    color: var(--primary-color);
    padding-left: 16px;
}

.category-list li a i {
    color: var(--primary-color);
    font-size: 12px;
}

.category-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

.category-count {
    font-size: 13px;
    color: var(--text-muted);
}

.category-count i {
    margin-right: 4px;
}

.category-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
}

.category-link:hover {
    color: var(--primary-dark);
}

.latest-policies {
    padding: 60px 0;
}

.policies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.policy-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.policy-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.policy-card.policy-featured {
    grid-column: span 1;
    grid-row: span 2;
}

.policy-featured .policy-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    position: relative;
}

.policy-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
}

.badge-hot {
    background: var(--secondary-color);
    color: white;
}

.policy-content {
    padding: 24px;
}

.policy-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.policy-meta i {
    margin-right: 4px;
}

.policy-category {
    color: var(--primary-color);
}

.policy-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.policy-title a:hover {
    color: var(--primary-color);
}

.policy-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.policy-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.policy-views {
    font-size: 13px;
    color: var(--text-muted);
}

.policy-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
}

.policy-link:hover {
    color: var(--primary-dark);
}

.platform-zone {
    padding: 60px 0;
    background: var(--bg-white);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.platform-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.platform-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.platform-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-color);
    transition: var(--transition);
}

.platform-card:hover .platform-icon {
    background: var(--primary-color);
    color: white;
}

.platform-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.platform-card p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.platform-count {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-color);
    border-radius: 16px;
    font-size: 12px;
    color: var(--text-light);
}

.guide-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
}

.guide-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.guide-content .section-tag {
    background: rgba(255,255,255,0.2);
}

.guide-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.guide-content > p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 24px;
}

.guide-list {
    margin-bottom: 32px;
}

.guide-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.guide-list li i {
    color: var(--accent-color);
}

.guide-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: white;
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
}

.guide-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.guide-stats-box {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid rgba(255,255,255,0.2);
}

.guide-stats-box .stats-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.guide-stats-box .stats-item:last-child {
    border-bottom: none;
}

.guide-stats-box .stats-item i {
    font-size: 32px;
    color: var(--accent-color);
}

.guide-stats-box .stats-number {
    font-size: 28px;
    font-weight: 700;
    display: block;
}

.guide-stats-box .stats-label {
    font-size: 14px;
    opacity: 0.8;
}

.faq-section {
    padding: 60px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 2px;
}

.faq-question h4 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.faq-answer p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 12px;
}

.faq-answer a {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
}

.partners-section {
    padding: 60px 0;
    background: var(--bg-white);
}

.partners-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 30px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.partner-item i {
    font-size: 36px;
    color: var(--text-muted);
}

.partner-item span {
    font-size: 13px;
    color: var(--text-light);
}

.partner-item:hover {
    background: var(--primary-color);
}

.partner-item:hover i,
.partner-item:hover span {
    color: white;
}

.footer {
    background: var(--primary-dark);
    color: white;
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo i {
    font-size: 32px;
    color: var(--accent-color);
}

.footer-logo span {
    font-size: 18px;
    font-weight: 600;
}

.footer-about p {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-contact p {
    font-size: 13px;
    opacity: 0.7;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    opacity: 1;
    padding-left: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright p {
    font-size: 13px;
    opacity: 0.7;
    margin-bottom: 4px;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-links a {
    font-size: 13px;
    opacity: 0.7;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-links span {
    opacity: 0.4;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

.page-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    padding: 60px 0;
    text-align: center;
    color: white;
}

.page-banner-content h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-banner-content p {
    font-size: 16px;
    opacity: 0.9;
}

.breadcrumb {
    background: var(--bg-white);
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-list li a {
    color: var(--text-light);
}

.breadcrumb-list li a:hover {
    color: var(--primary-color);
}

.breadcrumb-list li.active {
    color: var(--primary-color);
    font-weight: 500;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    color: var(--text-muted);
    margin-left: 8px;
}

.main-content {
    padding: 40px 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 260px 1fr 260px;
    gap: 30px;
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-section {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    overflow: hidden;
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: var(--bg-color);
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
}

.filter-group {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.filter-group:last-child {
    border-bottom: none;
}

.filter-group h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.filter-list li {
    margin-bottom: 4px;
}

.filter-list li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--text-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.filter-list li a:hover,
.filter-list li.active a {
    background: var(--bg-color);
    color: var(--primary-color);
}

.filter-list li a i {
    width: 16px;
    color: var(--text-muted);
}

.hot-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
}

.hot-list li:last-child {
    border-bottom: none;
}

.hot-rank {
    width: 20px;
    height: 20px;
    background: var(--bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
}

.hot-rank.rank-1 {
    background: var(--secondary-color);
    color: white;
}

.hot-rank.rank-2 {
    background: var(--primary-color);
    color: white;
}

.hot-rank.rank-3 {
    background: var(--accent-color);
    color: white;
}

.hot-list li a {
    font-size: 13px;
    color: var(--text-color);
    line-height: 1.4;
}

.hot-list li a:hover {
    color: var(--primary-color);
}

.sidebar-contact {
    padding: 20px;
}

.contact-info {
    text-align: center;
}

.contact-info p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.contact-info p i {
    color: var(--primary-color);
    margin-right: 8px;
}

.contact-btn {
    display: block;
    margin-top: 16px;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.contact-btn:hover {
    background: var(--primary-dark);
}

.content-main {
    min-width: 0;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.list-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
}

.list-count {
    font-size: 14px;
    color: var(--text-muted);
    margin-left: 12px;
}

.list-tools {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    position: relative;
}

.search-box input {
    width: 240px;
    padding: 10px 40px 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--primary-color);
}

.search-box button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.sort-options select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    cursor: pointer;
}

.active-filters {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.filter-label {
    font-size: 14px;
    color: var(--text-muted);
}

.filter-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-tags span {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--primary-color);
    color: white;
    border-radius: 16px;
    font-size: 13px;
}

.clear-filters {
    font-size: 14px;
    color: var(--secondary-color);
}

.policy-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.policy-item {
    display: flex;
    align-items: center;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    transition: var(--transition);
}

.policy-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.policy-item-content {
    flex: 1;
}

.policy-item-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.policy-item-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.policy-item-title a:hover {
    color: var(--primary-color);
}

.policy-item-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 12px;
}

.policy-item-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.policy-item-tags a {
    padding: 4px 12px;
    background: var(--bg-color);
    border-radius: 16px;
    font-size: 12px;
    color: var(--text-light);
    transition: var(--transition);
}

.policy-item-tags a:hover {
    background: var(--primary-color);
    color: white;
}

.policy-item-link {
    width: 48px;
    height: 48px;
    background: var(--bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    margin-left: 20px;
    transition: var(--transition);
}

.policy-item:hover .policy-item-link {
    background: var(--primary-color);
    color: white;
}

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 14px;
    color: var(--text-muted);
}

.pagination-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-btn {
    padding: 10px 16px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.page-btn:hover:not(.disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 4px;
}

.page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.page-num:hover,
.page-num.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.sidebar-right {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.toc-section .toc-list li {
    border-bottom: 1px solid var(--border-color);
}

.toc-section .toc-list li:last-child {
    border-bottom: none;
}

.toc-section .toc-list li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.toc-section .toc-list li a:hover,
.toc-section .toc-list li.active a {
    background: var(--bg-color);
    color: var(--primary-color);
}

.toc-section .toc-list li a i {
    color: var(--text-muted);
    font-size: 12px;
}

.subscribe-section {
    padding: 20px;
}

.subscribe-section p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.subscribe-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 12px;
    outline: none;
}

.subscribe-form input:focus {
    border-color: var(--primary-color);
}

.subscribe-form button {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.subscribe-form button:hover {
    background: var(--primary-dark);
}

.article-main {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 40px;
}

.article-header {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.article-meta-top {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-muted);
}

.article-category {
    color: var(--primary-color);
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
    color: var(--text-color);
}

.article-meta-bottom {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--text-muted);
}

.article-summary {
    background: linear-gradient(135deg, #f8f9fb 0%, #f0f2f5 100%);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary-color);
}

.article-summary h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.article-summary p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
}

.article-body h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-dark);
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 30px 0 16px;
    color: var(--text-color);
}

.article-body p {
    margin-bottom: 16px;
    color: var(--text-color);
}

.article-body ul, .article-body ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: 8px;
    color: var(--text-color);
}

.notice-box {
    display: flex;
    gap: 16px;
    background: #e8f4fd;
    border-radius: var(--radius-md);
    padding: 20px;
    margin: 24px 0;
    border: 1px solid #b8daff;
}

.notice-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.notice-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.notice-content p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.data-table {
    margin: 24px 0;
    overflow-x: auto;
}

.data-table h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-table th, .data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.data-table td {
    font-size: 14px;
    color: var(--text-color);
}

.data-table tr:hover td {
    background: var(--bg-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 24px 0;
}

.feature-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--primary-color);
    color: white;
}

.feature-item i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.feature-item:hover i {
    color: white;
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-item p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

.feature-item:hover p {
    color: rgba(255,255,255,0.8);
}

.system-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.system-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.system-item:hover {
    background: var(--primary-color);
    color: white;
}

.system-num {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    flex-shrink: 0;
}

.system-item:hover .system-num {
    background: white;
    color: var(--primary-color);
}

.system-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.system-content p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.system-item:hover .system-content p {
    color: rgba(255,255,255,0.8);
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.check-list li i {
    color: var(--primary-color);
}

.process-steps {
    display: flex;
    gap: 20px;
    margin: 24px 0;
    flex-wrap: wrap;
}

.step-item {
    flex: 1;
    min-width: 200px;
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
}

.step-num {
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.step-content p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

.highlight-box, .warning-box {
    margin: 24px 0;
    padding: 24px;
    border-radius: var(--radius-md);
}

.highlight-box {
    background: #e8f8f0;
    border: 1px solid #a8e6c3;
}

.warning-box {
    background: #fff8e8;
    border: 1px solid #ffd8a8;
}

.highlight-box h3, .warning-box h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.highlight-box h3 {
    color: #059669;
}

.warning-box h3 {
    color: #d97706;
}

.highlight-box ul, .warning-box ul {
    margin: 0;
    padding-left: 20px;
}

.highlight-box li, .warning-box li {
    margin-bottom: 8px;
    font-size: 14px;
}

.article-tags {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
}

.tags-label {
    font-size: 14px;
    color: var(--text-muted);
}

.tag {
    padding: 6px 16px;
    background: var(--bg-color);
    border-radius: 16px;
    font-size: 13px;
    color: var(--text-light);
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-share span {
    font-size: 14px;
    color: var(--text-muted);
}

.share-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 16px;
    transition: var(--transition);
}

.share-btn.wechat {
    background: #07c160;
    color: white;
}

.share-btn.weibo {
    background: #e6162d;
    color: white;
}

.share-btn.qq {
    background: #12b7f5;
    color: white;
}

.share-btn.copy {
    background: var(--bg-color);
    color: var(--text-muted);
}

.share-btn:hover {
    transform: scale(1.1);
}

.article-actions {
    display: flex;
    gap: 12px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-color);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}

.nav-prev, .nav-next {
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-next {
    text-align: right;
}

.nav-prev:hover, .nav-next:hover {
    background: var(--primary-color);
    color: white;
}

.nav-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.nav-prev:hover .nav-label, .nav-next:hover .nav-label {
    color: rgba(255,255,255,0.8);
}

.nav-title {
    font-size: 15px;
    font-weight: 500;
}

.related-articles {
    margin-top: 40px;
}

.related-articles h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.related-articles h3 i {
    color: var(--primary-color);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.related-item {
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.related-item:hover {
    background: var(--primary-color);
    color: white;
}

.related-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.related-item:hover .related-meta {
    color: rgba(255,255,255,0.7);
}

.related-cat {
    color: var(--primary-color);
}

.related-item:hover .related-cat {
    color: white;
}

.related-item h4 {
    font-size: 15px;
    font-weight: 500;
    line-height: 1.4;
}

.fixed-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.contact-section .contact-card {
    padding: 20px;
    text-align: center;
}

.contact-section .contact-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.contact-section .contact-card p i {
    color: var(--primary-color);
    margin-right: 8px;
}

.contact-section .contact-btn {
    display: block;
    margin-top: 16px;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.contact-section .contact-btn:hover {
    background: var(--primary-dark);
}

.download-section .download-list li {
    border-bottom: 1px solid var(--border-color);
}

.download-section .download-list li:last-child {
    border-bottom: none;
}

.download-section .download-list li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.download-section .download-list li a:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.download-section .download-list li a i {
    color: var(--primary-color);
}

.guide-nav {
    margin-bottom: 30px;
}

.guide-nav-inner {
    display: flex;
    gap: 12px;
    background: var(--bg-white);
    padding: 12px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.guide-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap;
    transition: var(--transition);
}

.guide-nav-item:hover,
.guide-nav-item.active {
    background: var(--primary-color);
    color: white;
}

.guide-content {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 40px;
}

.guide-section-block {
    padding-bottom: 50px;
    margin-bottom: 50px;
    border-bottom: 1px solid var(--border-color);
}

.guide-section-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section-header-block {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.section-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
}

.section-icon.icon-blue {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
}

.section-icon.icon-green {
    background: linear-gradient(135deg, #059669, #10b981);
}

.section-icon.icon-orange {
    background: linear-gradient(135deg, #d97706, #f59e0b);
}

.section-icon.icon-purple {
    background: linear-gradient(135deg, #7c3aed, #8b5cf6);
}

.section-icon.icon-red {
    background: linear-gradient(135deg, #dc2626, #ef4444);
}

.section-title-area h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.section-title-area p {
    font-size: 15px;
    color: var(--text-light);
}

.platform-guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.platform-guide-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.platform-guide-card:hover {
    box-shadow: var(--shadow-md);
}

.platform-guide-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
}

.platform-guide-header i {
    font-size: 32px;
}

.platform-guide-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.platform-guide-body {
    padding: 24px;
}

.platform-guide-body h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.platform-guide-body ul {
    margin-bottom: 16px;
    padding-left: 0;
}

.platform-guide-body li {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-light);
    list-style: none;
}

.risk-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.risk-tags span {
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.risk-high {
    background: #fee2e2;
    color: #dc2626;
}

.risk-medium {
    background: #fef3c7;
    color: #d97706;
}

.risk-low {
    background: #d1fae5;
    color: #059669;
}

.guide-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
}

.guide-link:hover {
    color: var(--primary-dark);
}

.logistics-guide {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.logistics-item {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.logistics-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
}

.logistics-num {
    font-size: 24px;
    font-weight: 700;
    opacity: 0.5;
}

.logistics-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.logistics-body {
    padding: 24px;
}

.logistics-body h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.process-flow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: white;
    border-radius: var(--radius-md);
    min-width: 100px;
}

.flow-step .step-num {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.flow-step span {
    font-size: 13px;
    color: var(--text-color);
    text-align: center;
}

.flow-arrow {
    color: var(--primary-color);
}

.prohibited-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.prohibited-col {
    padding: 20px;
    background: white;
    border-radius: var(--radius-md);
}

.prohibited-col h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
}

.prohibited-col h4 i {
    color: var(--secondary-color);
}

.prohibited-col ul {
    padding-left: 0;
}

.prohibited-col li {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-light);
    list-style: none;
    padding-left: 16px;
    position: relative;
}

.prohibited-col li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.channel-table {
    overflow-x: auto;
}

.channel-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.channel-table th, .channel-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.channel-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.channel-table td {
    font-size: 14px;
    color: var(--text-color);
}

.ip-guide {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.ip-type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.ip-type-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.ip-type-card:hover {
    box-shadow: var(--shadow-md);
}

.ip-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    margin: 0 auto 16px;
}

.ip-type-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.ip-type-card > p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.ip-type-card ul {
    text-align: left;
    padding-left: 0;
}

.ip-type-card li {
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-light);
    list-style: none;
}

.ip-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
}

.ip-risk-section {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.ip-risk-section h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.ip-risk-section h3 i {
    color: var(--secondary-color);
}

.risk-prevention {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.prevention-item {
    background: white;
    border-radius: var(--radius-md);
    padding: 20px;
}

.prevention-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.prevention-item ul {
    padding-left: 0;
}

.prevention-item li {
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-light);
    list-style: none;
    padding-left: 16px;
    position: relative;
}

.prevention-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.payment-guide {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.payment-points {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.point-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.point-card:hover {
    box-shadow: var(--shadow-md);
}

.point-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin: 0 auto 16px;
}

.point-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.point-card p {
    font-size: 13px;
    color: var(--text-light);
}

.payment-channels h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.channel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.channel-item {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.channel-item:hover {
    box-shadow: var(--shadow-md);
}

.channel-logo {
    width: 56px;
    height: 56px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
    margin: 0 auto 16px;
}

.channel-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.channel-item p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.channel-fee {
    display: inline-block;
    padding: 4px 12px;
    background: white;
    border-radius: 16px;
    font-size: 12px;
    color: var(--primary-color);
}

.payment-notice {
    background: #fff8e8;
    border: 1px solid #ffd8a8;
    border-radius: var(--radius-lg);
    padding: 24px;
}

.payment-notice h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #d97706;
}

.payment-notice ul {
    padding-left: 0;
}

.payment-notice li {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-light);
    list-style: none;
    padding-left: 16px;
    position: relative;
}

.payment-notice li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #d97706;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-intro h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.about-intro p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.about-features .feature-item {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}

.about-features .feature-item i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.about-features .feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.about-features .feature-item p {
    font-size: 13px;
    color: var(--text-light);
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 30px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    border-radius: var(--radius-lg);
    color: white;
}

.about-stats .stat-item {
    text-align: center;
}

.about-stats .stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
}

.about-stats .stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.contact-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-detail p {
    font-size: 15px;
    color: var(--text-color);
    margin-bottom: 2px;
}

.contact-detail span {
    font-size: 12px;
    color: var(--text-muted);
}

.contact-form-section {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 30px;
}

.contact-form-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

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

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
}

.contact-form label i {
    color: var(--primary-color);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    background: white;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-dark);
}

.disclaimer-content {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 30px;
}

.disclaimer-content ol {
    padding-left: 0;
}

.disclaimer-content li {
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-light);
    list-style: none;
    padding-left: 24px;
    position: relative;
}

.disclaimer-content li::before {
    content: counter(list-item);
    counter-increment: list-item;
    position: absolute;
    left: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.disclaimer-content {
    counter-reset: list-item;
}

.hotline-section .hotline-content {
    padding: 20px;
    text-align: center;
}

.hotline-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.hotline-time {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.hotline-btn {
    display: block;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.hotline-btn:hover {
    background: var(--primary-dark);
}

.faq-search-section {
    margin-bottom: 30px;
}

.faq-search-box {
    max-width: 600px;
    margin: 0 auto 20px;
}

.faq-search-box form {
    display: flex;
    gap: 12px;
}

.faq-search-box input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    outline: none;
    transition: var(--transition);
}

.faq-search-box input:focus {
    border-color: var(--primary-color);
}

.faq-search-box button {
    padding: 14px 28px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.faq-search-box button:hover {
    background: var(--primary-dark);
}

.faq-hot-tags {
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
}

.faq-hot-tags span {
    margin-right: 8px;
}

.hot-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-color);
    border-radius: 16px;
    font-size: 13px;
    color: var(--text-color);
    margin: 0 4px;
    transition: var(--transition);
}

.hot-tag:hover {
    background: var(--primary-color);
    color: white;
}

.faq-categories {
    margin-bottom: 30px;
}

.faq-cat-nav {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.faq-cat-btn {
    padding: 10px 24px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.faq-cat-btn:hover,
.faq-cat-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.faq-content-area {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 30px;
}

.faq-category {
    margin-bottom: 40px;
}

.faq-category:last-child {
    margin-bottom: 0;
}

.faq-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-color);
}

.faq-category-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
}

.faq-category-header h2 i {
    color: var(--primary-color);
}

.faq-count {
    font-size: 14px;
    color: var(--text-muted);
}

.faq-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-page .faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-page .faq-question {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-color);
    cursor: pointer;
    transition: var(--transition);
}

.faq-page .faq-question:hover {
    background: #e8ebf0;
}

.q-num {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.faq-page .faq-question h3 {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.faq-page .faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-page .faq-item.open .faq-question i {
    transform: rotate(180deg);
}

.faq-page .faq-answer {
    display: none;
    padding: 20px;
    background: white;
}

.faq-page .faq-item.open .faq-answer {
    display: block;
}

.answer-content {
    font-size: 15px;
    line-height: 1.8;
}

.answer-section {
    margin: 20px 0;
}

.answer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.answer-section ul, .answer-section ol {
    padding-left: 24px;
}

.answer-section ul {
    list-style: disc;
}

.answer-section ol {
    list-style: decimal;
}

.answer-section li {
    margin-bottom: 8px;
    color: var(--text-light);
}

.answer-tip {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: #e8f4fd;
    border-radius: var(--radius-md);
    margin-top: 20px;
}

.answer-tip i {
    color: var(--primary-color);
    font-size: 18px;
    margin-top: 2px;
}

.answer-tip p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.answer-tip.warning {
    background: #fff8e8;
}

.answer-tip.warning i {
    color: #d97706;
}

.comparison-table {
    overflow-x: auto;
    margin: 20px 0;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.comparison-table th, .comparison-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.comparison-table td {
    font-size: 14px;
}

.formula-box {
    background: var(--bg-color);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin: 16px 0;
}

.formula-box p {
    margin: 0;
    font-size: 15px;
}

.tax-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 20px 0;
}

.tax-item {
    background: var(--bg-color);
    padding: 20px;
    border-radius: var(--radius-md);
}

.tax-item h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
}

.tax-item h4 i {
    color: var(--primary-color);
}

.tax-item p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 20px 0;
}

.method-item {
    background: var(--bg-color);
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
}

.method-item h5 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
}

.method-item p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.action-item {
    background: var(--bg-color);
    padding: 20px;
    border-radius: var(--radius-md);
}

.action-item h5 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.action-item ul {
    padding-left: 0;
}

.action-item li {
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-light);
    list-style: none;
    padding-left: 16px;
    position: relative;
}

.action-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.factor-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.factor-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: white;
    border-radius: var(--radius-md);
}

.factor-name {
    font-weight: 600;
    color: var(--text-color);
    min-width: 100px;
}

.factor-solution {
    font-size: 14px;
    color: var(--text-light);
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.payment-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
}

.method-icon {
    width: 56px;
    height: 56px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.method-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.method-info p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 2px;
}

.channel-comparison {
    overflow-x: auto;
    margin: 20px 0;
}

.channel-comparison table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.channel-comparison th, .channel-comparison td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.channel-comparison th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.channel-comparison td {
    font-size: 14px;
}

.faq-more-section {
    margin-top: 40px;
}

.more-box {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    border-radius: var(--radius-lg);
    color: white;
}

.more-box h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.more-box p {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 24px;
}

.more-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: white;
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: rgba(255,255,255,0.15);
    color: white;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
}

@media (max-width: 1200px) {
    .content-wrapper {
        grid-template-columns: 240px 1fr;
    }
    
    .sidebar-right {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 2fr repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-search {
        display: none;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .quick-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .policies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .platform-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .guide-wrapper {
        grid-template-columns: 1fr;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
    
    .platform-guide-grid {
        grid-template-columns: 1fr;
    }
    
    .ip-type-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .payment-points {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .hero-banner {
        padding: 60px 0 80px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .hero-search-wrapper {
        flex-direction: column;
        border-radius: var(--radius-lg);
        padding: 12px;
    }
    
    .hero-search-input {
        width: 100%;
        padding: 12px;
    }
    
    .hero-search-btn {
        width: 100%;
        border-radius: var(--radius-md);
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .quick-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .policies-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .article-main {
        padding: 20px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-body h2 {
        font-size: 20px;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .system-list {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .article-nav {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-content {
        padding: 20px;
    }
    
    .guide-nav-inner {
        flex-wrap: wrap;
    }
    
    .prohibited-grid {
        grid-template-columns: 1fr;
    }
    
    .risk-prevention {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .faq-cat-nav {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 10px;
    }
    
    .faq-cat-btn {
        white-space: nowrap;
    }
    
    .tax-grid {
        grid-template-columns: 1fr;
    }
    
    .method-grid {
        grid-template-columns: 1fr;
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .more-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .logo-title {
        font-size: 16px;
    }
    
    .logo-subtitle {
        display: none;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .platform-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .ip-type-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-points {
        grid-template-columns: 1fr;
    }
    
    .channel-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
}