/*
Theme Name: Bian MB6
Theme URI: https://www.binance.com/
Description: 币安加密货币交易平台主题
Version: 1.0.0
Author: Binance
Author URI: https://www.binance.com/
License: GPL2
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bian-mb6
*/

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: #121212;
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

header .container {
    padding: 0;
    max-width: 100%;
    padding-left: 40px;
    padding-right: 40px;
}

header {
    background: #121212;
    border-bottom: 1px solid #222;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 99;
}

.nav-wrap {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-buttons {
    margin-left: auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 22px;
    font-weight: 700;
    color: #f3ba2f;
}

.logo img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-menu a {
    color: #ccc;
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: #f3ba2f;
}

.nav-buttons {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 8px 18px;
    border-radius: 4px;
    font-weight: 500;
    border: none;
    cursor: pointer;
}

.btn-yellow {
    background: #f3ba2f;
    color: #000;
}

.btn-outline {
    background: transparent;
    border: 1px solid #f3ba2f;
    color: #f3ba2f;
}

/* 首屏Banner */
.hero {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    padding: 40px 0;
}

.hero-left h1 {
    font-size: 42px;
    margin-bottom: 12px;
}

.hero-left h1 span {
    color: #f3ba2f;
}

.hero-desc {
    color: #aaa;
    margin-bottom: 30px;
    max-width: 520px;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 30px;
}

.feature-item {
    background: #1e1e1e;
    padding: 16px;
    border-radius: 6px;
    display: flex;
    gap: 10px;
}

.feature-icon {
    color: #f3ba2f;
    font-size: 20px;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

/* 右侧行情资讯 */
.sidebar-card {
    background: #1e1e1e;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
}

.card-head {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 14px;
    color: #999;
}

.tab-container {
    display: flex;
    gap: 16px;
}

.tab {
    cursor: pointer;
    padding-bottom: 4px;
    transition: color 0.2s;
}

.tab:hover {
    color: #f3ba2f;
}

.tab.active {
    color: #f3ba2f;
    border-bottom: 2px solid #f3ba2f;
}

.coin-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #2a2a2a;
}

.coin-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.coin-up {
    color: #36d399;
}

/* SAFU资金安全板块 */
.safu-section {
    padding: 60px 0;
}

.safu-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: flex-start;
    margin-bottom: 40px;
}

.safu-title h2 {
    font-size: 56px;
    line-height: 1.1;
    margin-bottom: 20px;
}

.safu-title h2 span {
    color: #f3ba2f;
}

.safu-desc {
    color: #aaa;
    font-size: 18px;
    line-height: 1.7;
    max-width: 580px;
}

.safu-data {
    display: flex;
    align-items: flex-end;
    gap: 48px;
}

.data-left .data-label {
    font-size: 16px;
    color: #aaa;
    margin-bottom: 8px;
}

.data-num-big {
    font-size: 40px;
    font-weight: 700;
    color: #f3ba2f;
}

.data-wallet {
    font-size: 14px;
    color: #999;
    margin-top: 8px;
}

.data-right {
    display: flex;
    gap: 40px;
}

.data-block .data-num {
    font-size: 40px;
    font-weight: 700;
    color: #f3ba2f;
}

.data-block .data-tip {
    font-size: 16px;
    color: #aaa;
}

/* 底部三张图片 */
.safu-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.gallery-img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: 4px;
}

/* 客户端下载板块 */
.client-section {
    padding: 60px 0;
    text-align: center;
}

.client-wrap {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.phone-img {
    width: 100%;
    aspect-ratio: 9/19;
    object-fit: contain;
    transition: opacity 0.3s;
}

.version-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 12px;
    color: #aaa;
    font-size: 14px;
}

.version-tab {
    cursor: pointer;
    padding-bottom: 4px;
    transition: color 0.2s;
}

.version-tab:hover {
    color: #f3ba2f;
}

.version-tab.active {
    color: #f3ba2f;
    border-bottom: 2px solid #f3ba2f;
}

.mobile-download-links {
    display: none;
}

.download-title h2 {
    font-size: 32px;
    margin-bottom: 40px;
}

.qrcode-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.qrcode {
    width: 120px;
    height: 120px;
    background: #fff;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-platforms {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.platform-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #aaa;
}

/* FAQ常见问题 */
.faq-section {
    padding: 60px 0;
}

.faq-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
}

.faq-item {
    background: #1e1e1e;
    border-radius: 6px;
    margin-bottom: 12px;
}

.faq-question {
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s;
}

.faq-question:hover {
    background: #2a2a2a;
}

.faq-answer {
    padding: 0 20px;
    color: #aaa;
    font-size: 14px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 16px;
}

/* 底部行动区 */
.cta-section {
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 30px;
}

/* 面包屑导航 */
.breadcrumbs {
    padding: 16px 0;
    border-bottom: 1px solid #222;
    font-size: 14px;
    color: #666;
}

.breadcrumbs a {
    color: #f3ba2f;
    transition: color 0.2s;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.breadcrumbs span {
    margin: 0 8px;
    color: #444;
}

/* 列表页头部 */
.page-header {
    padding: 40px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(243, 186, 47, 0.08) 0%, rgba(243, 186, 47, 0.02) 100%);
    margin-bottom: 40px;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, #f3ba2f, transparent);
}

.page-header h1 {
    font-size: 40px;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.page-header p {
    color: #aaa;
    font-size: 18px;
    position: relative;
    z-index: 1;
}

/* 分类标签 */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 24px;
    background: #1e1e1e;
    border-radius: 25px;
    font-size: 14px;
    color: #999;
    border: 1px solid #2a2a2a;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tab:hover {
    border-color: #f3ba2f;
    color: #f3ba2f;
}

.category-tab.active {
    background: rgba(243, 186, 47, 0.15);
    border-color: #f3ba2f;
    color: #f3ba2f;
}

/* 文章列表 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.article-card {
    display: flex;
    gap: 24px;
    background: #1a1a1a;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #222;
    transition: all 0.3s ease;
}

.article-card:hover {
    border-color: #f3ba2f;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(243, 186, 47, 0.1);
}

.article-image-wrap {
    width: 300px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.article-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-image {
    transform: scale(1.05);
}

.article-content {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.article-category {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(243, 186, 47, 0.12);
    color: #f3ba2f;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    margin-bottom: 14px;
    width: fit-content;
}

.article-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
    flex-shrink: 0;
}

.article-title a {
    color: #fff;
    transition: color 0.2s;
}

.article-title a:hover {
    color: #f3ba2f;
}

.article-excerpt {
    color: #aaa;
    font-size: 15px;
    line-height: 1.7;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #666;
    font-size: 13px;
    padding-top: 16px;
    border-top: 1px solid #222;
}

.meta-left {
    display: flex;
    gap: 20px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    padding: 50px 0;
}

.pagination a {
    padding: 12px 18px;
    background: #1e1e1e;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #2a2a2a;
}

.pagination a:hover {
    border-color: #f3ba2f;
    color: #f3ba2f;
}

.pagination a.active {
    background: #f3ba2f;
    color: #000;
    border-color: #f3ba2f;
}

.pagination a.prev-next {
    padding: 12px;
}

/* 列表页CTA */
.cta-section-list {
    padding: 50px;
    text-align: center;
    background: linear-gradient(135deg, rgba(243, 186, 47, 0.12) 0%, rgba(243, 186, 47, 0.05) 100%);
    border-radius: 12px;
    margin: 40px 0;
    border: 1px solid rgba(243, 186, 47, 0.15);
}

.cta-section-list h2 {
    font-size: 28px;
    margin-bottom: 16px;
}

.cta-section-list p {
    color: #aaa;
    margin-bottom: 24px;
    font-size: 16px;
}

/* 文章详情页 */
.article-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    padding: 40px 0;
}

.article-main {
    background: #1a1a1a;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.article-header-bg {
    background: linear-gradient(135deg, rgba(243, 186, 47, 0.15) 0%, rgba(243, 186, 47, 0.05) 100%);
    padding: 40px;
    text-align: center;
}

.article-header-bg .article-category {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(243, 186, 47, 0.2);
    color: #f3ba2f;
    font-size: 14px;
    border-radius: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(243, 186, 47, 0.3);
}

.article-header-bg .article-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
    color: #fff;
}

.article-header-bg .article-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    color: #666;
    font-size: 14px;
    flex-wrap: wrap;
    border-top: none;
    padding-top: 0;
}

.article-featured-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.article-content {
    padding: 40px;
}

.article-content h2 {
    font-size: 22px;
    margin: 32px 0 16px;
    color: #f3ba2f;
    padding-left: 12px;
    border-left: 4px solid #f3ba2f;
}

.article-content h3 {
    font-size: 18px;
    margin: 24px 0 12px;
    color: #fff;
    font-weight: 600;
}

.article-content p {
    color: #ccc;
    font-size: 16px;
    margin-bottom: 16px;
    text-align: justify;
}

.article-content ul,
.article-content ol {
    color: #ccc;
    margin-left: 24px;
    margin-bottom: 16px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content blockquote {
    background: rgba(243, 186, 47, 0.08);
    border-left: 4px solid #f3ba2f;
    padding: 20px;
    margin: 24px 0;
    color: #aaa;
    border-radius: 0 8px 8px 0;
}

.article-content strong {
    color: #fff;
}

.article-content a {
    color: #f3ba2f;
    text-decoration: underline;
}

.article-content a:hover {
    opacity: 0.8;
}

.article-footer {
    padding: 30px 40px;
    background: #1e1e1e;
    border-top: 1px solid #2a2a2a;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.article-tag {
    padding: 6px 14px;
    background: #2a2a2a;
    color: #aaa;
    font-size: 13px;
    border-radius: 20px;
    transition: all 0.2s;
}

.article-tag:hover {
    background: #f3ba2f;
    color: #000;
}

.share-section {
    display: flex;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid #2a2a2a;
}

.share-btn {
    padding: 10px 20px;
    background: #2a2a2a;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.share-btn:hover {
    background: #f3ba2f;
    color: #000;
}

/* 文章导航 */
.article-nav {
    display: flex;
    justify-content: space-between;
    padding: 30px 40px;
    background: linear-gradient(135deg, #1e1e1e 0%, #1a1a1a 100%);
    border-top: 1px solid #2a2a2a;
    gap: 24px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #2a2a2a;
    border-radius: 8px;
    border: 1px solid #333;
    color: #ccc;
    transition: all 0.3s ease;
    min-width: 200px;
    max-width: 40%;
}

.nav-link:hover {
    background: rgba(243, 186, 47, 0.1);
    border-color: #f3ba2f;
    color: #f3ba2f;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(243, 186, 47, 0.15);
}

.nav-link .nav-icon {
    font-size: 20px;
    color: #f3ba2f;
    transition: transform 0.3s ease;
}

.nav-link:hover .nav-icon {
    transform: translateX(4px);
}

.nav-link.prev {
    flex-direction: row-reverse;
}

.nav-link.prev:hover .nav-icon {
    transform: translateX(-4px);
}

.nav-link .nav-label {
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 4px;
}

.nav-link .nav-title {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nav-link.prev .nav-label {
    text-align: right;
}

/* 详情页侧边栏 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 80px;
    height: fit-content;
}

.sidebar-card {
    background: #1a1a1a;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.sidebar-card h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #f3ba2f;
    padding-bottom: 12px;
    border-bottom: 1px solid #2a2a2a;
}

.sidebar-list {
    list-style: none;
}

.sidebar-list li {
    margin-bottom: 16px;
}

.sidebar-list li:last-child {
    margin-bottom: 0;
}

.sidebar-list a {
    display: flex;
    gap: 12px;
}

.sidebar-list img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
}

.sidebar-list .sidebar-title {
    font-size: 14px;
    line-height: 1.4;
    color: #ccc;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-list .sidebar-title:hover {
    color: #f3ba2f;
}

/* 作者卡片 */
.author-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(243, 186, 47, 0.1) 0%, rgba(243, 186, 47, 0.05) 100%);
    border-radius: 12px;
    margin-top: 20px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: #f3ba2f;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: #000;
}

.author-info h4 {
    color: #fff;
    margin-bottom: 4px;
}

.author-info p {
    color: #666;
    font-size: 14px;
}

/* 详情页CTA */
.cta-section-single {
    padding: 40px;
    text-align: center;
    background: linear-gradient(135deg, rgba(243, 186, 47, 0.15) 0%, rgba(243, 186, 47, 0.05) 100%);
    border-radius: 12px;
    margin-top: 20px;
}

/* About页面样式 */
.page-hero {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(243, 186, 47, 0.08) 0%, rgba(243, 186, 47, 0.02) 100%);
    margin-bottom: 60px;
    border-radius: 12px;
}

.page-hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.page-hero h1 span {
    color: #f3ba2f;
}

.page-hero p {
    color: #aaa;
    font-size: 18px;
    line-height: 1.8;
}

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

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
}

.mission-text h2 {
    font-size: 32px;
    margin-bottom: 24px;
    color: #f3ba2f;
}

.mission-text p {
    color: #ccc;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #f3ba2f, #f59e0b);
    color: #121212;
    font-weight: 600;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(243, 186, 47, 0.3);
}

.mission-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.mission-stat {
    background: #1e1e1e;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #2a2a2a;
    transition: all 0.3s ease;
}

.mission-stat:hover {
    border-color: #f3ba2f;
    background: rgba(243, 186, 47, 0.08);
}

.mission-stat .num {
    font-size: 36px;
    font-weight: 700;
    color: #f3ba2f;
    margin-bottom: 8px;
}

.mission-stat .label {
    color: #aaa;
    font-size: 14px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    color: #fff;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #2a2a2a;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 40px;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    width: 16px;
    height: 16px;
    background: #f3ba2f;
    border-radius: 50%;
    border: 3px solid #121212;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-year {
    width: 120px;
    flex-shrink: 0;
    font-size: 18px;
    font-weight: 700;
    color: #f3ba2f;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-year {
    text-align: left;
}

.timeline-content {
    flex: 1;
    background: #1e1e1e;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid #2a2a2a;
}

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #fff;
}

.timeline-content p {
    color: #aaa;
    font-size: 15px;
    line-height: 1.7;
}

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

.adv-card {
    background: #1e1e1e;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid #2a2a2a;
    text-align: center;
    transition: all 0.3s ease;
}

.adv-card:hover {
    border-color: #f3ba2f;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(243, 186, 47, 0.1);
}

.adv-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.adv-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #fff;
}

.adv-card p {
    color: #aaa;
    font-size: 14px;
    line-height: 1.6;
}

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

.contact-box {
    background: linear-gradient(135deg, rgba(243, 186, 47, 0.08) 0%, rgba(243, 186, 47, 0.02) 100%);
    padding: 48px;
    border-radius: 12px;
    border: 1px solid rgba(243, 186, 47, 0.15);
    text-align: center;
}

.contact-box h2 {
    font-size: 32px;
    margin-bottom: 16px;
    color: #fff;
}

.contact-box p {
    color: #aaa;
    font-size: 16px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
    color: #ccc;
    font-size: 16px;
}

.contact-item .label {
    color: #999;
}

.cta-section-single h4 {
    font-size: 20px;
    margin-bottom: 16px;
}

.cta-section-single p {
    color: #aaa;
    margin-bottom: 20px;
    font-size: 14px;
}

/* 页脚 */
footer {
    border-top: 1px solid #222;
    padding: 40px 0 20px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #f3ba2f;
    font-weight: bold;
    font-size: 18px;
}

.footer-logo img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.footer-links {
    display: flex;
    gap: 24px;
    color: #999;
    font-size: 14px;
}

.copyright {
    text-align: center;
    color: #666;
    font-size: 13px;
}

/* 图片懒加载兼容 */
img {
    loading: lazy;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* 响应式样式 */
@media (max-width: 768px) {
    header .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .nav-wrap {
        gap: 16px;
        justify-content: space-between;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #121212;
        border-bottom: 1px solid #222;
        padding: 16px;
        flex-direction: column;
        gap: 16px;
    }

    .nav-menu a {
        display: block;
        padding: 8px 0;
    }

    .mobile-menu-btn {
        display: block;
        color: #f3ba2f;
    }

    .nav-buttons {
        display: none;
    }

    /* 首页响应式 */
    .hero {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px 0;
    }

    .hero-left h1 {
        font-size: 28px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .hero-btns {
        flex-direction: column;
    }

    .hero-btns .btn {
        width: 100%;
        text-align: center;
    }

    .safu-content {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }

    .safu-title h2 {
        font-size: 36px;
    }

    .safu-data {
        flex-direction: column;
        gap: 20px;
    }

    .data-right {
        gap: 20px;
    }

    .safu-gallery {
        grid-template-columns: 1fr;
    }

    .gallery-img {
        height: 200px;
    }

    .client-section {
        text-align: center;
    }

    .client-wrap {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .client-wrap > div:first-child {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .phone-img {
        max-width: 200px;
        aspect-ratio: 9/19;
    }

    .download-title h2 {
        font-size: 24px;
        margin-bottom: 20px;
        text-align: center;
    }

    .qrcode-box {
        justify-content: center;
        margin-bottom: 20px;
    }

    .download-title {
        display: none;
    }

    .more-downloads {
        display: none;
    }

    .mobile-download-links {
        display: flex;
        justify-content: center;
        gap: 12px;
        margin-top: 20px;
    }

    .mobile-download-link {
        padding: 12px 24px;
        background: linear-gradient(135deg, #f3ba2f, #f59e0b);
        color: #121212;
        text-decoration: none;
        border-radius: 8px;
        font-weight: 600;
        font-size: 14px;
    }

    .faq-section h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .cta-section h2 {
        font-size: 24px;
    }

    /* 列表页响应式 */
    .breadcrumbs {
        font-size: 13px;
    }

    .page-header h1 {
        font-size: 26px;
    }

    .category-tabs {
        gap: 6px;
    }

    .category-tab {
        padding: 8px 16px;
        font-size: 13px;
    }

    .article-card {
        flex-direction: column;
    }

    .article-image-wrap {
        width: 100%;
        height: 200px;
    }

    .article-content {
        padding: 20px;
    }

    .article-title {
        font-size: 18px;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 6px;
    }

    .pagination a {
        padding: 10px 14px;
    }

    .cta-section-list {
        padding: 30px 20px;
    }

    .cta-section-list h2 {
        font-size: 22px;
    }

    /* 详情页响应式 */
    .article-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px 0;
    }

    .article-header-bg {
        padding: 24px 16px;
    }

    .article-header-bg .article-title {
        font-size: 24px;
    }

    .article-header-bg .article-meta {
        flex-direction: column;
        gap: 8px;
    }

    .article-featured-image {
        height: 220px;
    }

    .article-content {
        padding: 24px 16px;
    }

    .article-footer {
        padding: 20px 16px;
    }

    .share-section {
        flex-wrap: wrap;
    }

    .sidebar {
        position: static;
    }

    .article-nav {
        padding: 20px 16px;
        flex-direction: column;
        gap: 16px;
    }

    .nav-link {
        justify-content: center;
        max-width: 100%;
        min-width: 100%;
    }

    .nav-link.prev {
        flex-direction: row;
    }

    .nav-link .nav-title {
        font-size: 13px;
    }

    /* 页脚响应式 */
    .footer-top {
        flex-direction: column;
        gap: 16px;
        align-items: center;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* About页面响应式 */
    .page-hero {
        padding: 40px 0;
        margin-bottom: 30px;
    }

    .page-hero h1 {
        font-size: 28px;
    }

    .page-hero p {
        font-size: 16px;
    }

    .mission-section {
        padding: 30px 0;
    }

    .mission-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .mission-text h2 {
        font-size: 24px;
    }

    .mission-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .mission-stat {
        padding: 16px;
    }

    .mission-stat .num {
        font-size: 24px;
    }

    .section-title h2 {
        font-size: 24px;
    }

    .timeline {
        max-width: 100%;
    }

    .timeline::before {
        left: 20px;
        transform: none;
    }

    .timeline-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 50px;
    }

    .timeline-dot {
        left: 20px;
        transform: none;
    }

    .timeline-year {
        width: auto;
        text-align: left !important;
        margin-bottom: 8px;
    }

    .timeline-content {
        padding: 20px;
    }

    .timeline-content h3 {
        font-size: 18px;
    }

    .adv-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .adv-card {
        padding: 24px;
    }

    .adv-icon {
        font-size: 32px;
    }

    .contact-section {
        padding: 30px 0;
    }

    .contact-box {
        padding: 24px;
    }

    .contact-box h2 {
        font-size: 24px;
    }

    .contact-item {
        flex-direction: column;
        gap: 4px;
    }
}