/* ========================================
   韩国公司注册 - 主样式文件
   上海拓迈企服
   ======================================== */

/* CSS变量定义 */
:root {
    --primary-color: #1a5fb4;
    --primary-dark: #0d3a7a;
    --primary-light: #3584e4;
    --secondary-color: #26a269;
    --accent-color: #e5a50a;
    --text-color: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --radius: 8px;
    --radius-lg: 16px;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    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;
    display: block;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   头部导航
   ======================================== */
.header {
    background: var(--bg-color);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-top {
    background: var(--primary-color);
    color: #fff;
    padding: 8px 0;
    font-size: 14px;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.header-top-left {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.header-top-left span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.header-top-left i {
    color: var(--accent-color);
}

.header-top-right {
    display: flex;
    gap: 15px;
}

.header-top-right a {
    color: #fff;
    opacity: 0.9;
}

.header-top-right a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.header-main {
    padding: 15px 0;
}

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

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

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}

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

.logo-text .site-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text .site-slogan {
    font-size: 12px;
    color: var(--text-muted);
}

/* 导航菜单 */
.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 5px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(26, 95, 180, 0.08);
}

.nav-link i {
    margin-right: 5px;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

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

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

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

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
    padding: 10px;
}

/* ========================================
   Banner横幅
   ======================================== */
.banner {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
    margin-top: 110px;
    overflow: hidden;
}

.banner::before {
    content: '';
    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"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.banner .container {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.banner-content {
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
    max-width: 55%;
}

.banner-text {
    max-width: 600px;
    color: #fff;
}

.banner-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.banner-title span {
    color: var(--accent-color);
}

.banner-desc {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.8;
}

.banner-btns {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    background: #d4940a;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(229, 165, 10, 0.4);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: #fff;
    color: var(--primary-color);
    border-color: #fff;
}

.btn-secondary {
    background: var(--secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background: #1e8a56;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 18px;
}

/* Banner右侧图片 */
.banner-image {
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
    width: 40%;
    max-width: 450px;
    margin-left: 30px;
}

.banner-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   特性展示区
   ======================================== */
.features-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.section-label {
    display: inline-block;
    background: rgba(26, 95, 180, 0.1);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 15px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-color);
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
}

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

.feature-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ========================================
   服务内容区
   ======================================== */
.services-section {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-image {
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 25px;
}

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

.service-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 14px;
}

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

/* ========================================
   优势展示区
   ======================================== */
.advantages-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: #fff;
}

.advantages-section .section-title {
    color: #fff;
}

.advantages-section .section-desc {
    color: rgba(255, 255, 255, 0.8);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.advantage-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.advantage-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.advantage-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.advantage-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.advantage-content p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.6;
}

/* ========================================
   价格套餐区
   ======================================== */
.pricing-section {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.pricing-name {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.pricing-price {
    margin-bottom: 25px;
}

.pricing-price .amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
}

.pricing-price .currency {
    font-size: 18px;
    vertical-align: top;
}

.pricing-price .period {
    font-size: 14px;
    color: var(--text-muted);
}

.pricing-features {
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--secondary-color);
}

/* ========================================
   关于我们区
   ======================================== */
.about-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid var(--primary-color);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.about-content p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

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

/* ========================================
   白皮书/指南区
   ======================================== */
.guide-section {
    padding: 80px 0;
}

.guide-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.guide-main {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.guide-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    padding: 30px;
}

.guide-header h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.guide-header p {
    opacity: 0.9;
    font-size: 14px;
}

.guide-content {
    padding: 30px;
}

.guide-chapter {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}

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

.guide-chapter h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.guide-chapter h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 2px;
}

.guide-chapter p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

.guide-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.guide-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 25px;
    box-shadow: var(--shadow);
}

.guide-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.guide-card ul li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.guide-card ul li i {
    color: var(--primary-color);
}

/* ========================================
   城市列表区
   ======================================== */
.cities-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.city-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.city-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.city-card i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.city-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
}

.city-card p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ========================================
   文章列表页
   ======================================== */
.articles-section {
    padding: 80px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.article-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.article-image {
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.article-content {
    padding: 25px;
}

.article-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
    line-height: 1.4;
}

.article-content h3:hover {
    color: var(--primary-color);
}

.article-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========================================
   文章详情页
   ======================================== */
.article-detail {
    padding: 120px 0 80px;
}

.article-header {
    text-align: center;
    margin-bottom: 40px;
}

.article-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
    line-height: 1.4;
}

.article-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 14px;
    color: var(--text-muted);
}

.article-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
}

.article-body h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 40px 0 20px;
    color: var(--text-color);
    padding-left: 15px;
    border-left: 4px solid var(--primary-color);
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 30px 0 15px;
    color: var(--text-color);
}

.article-body p {
    margin-bottom: 20px;
}

.article-body ul, .article-body ol {
    margin-bottom: 20px;
    padding-left: 20px;
}

.article-body ul li, .article-body ol li {
    margin-bottom: 10px;
    list-style: disc;
}

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

.article-body img {
    border-radius: var(--radius);
    margin: 30px 0;
    box-shadow: var(--shadow);
}

.article-body blockquote {
    background: var(--bg-light);
    padding: 20px 25px;
    border-left: 4px solid var(--primary-color);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 25px 0;
    font-style: italic;
    color: var(--text-light);
}

/* ========================================
   联系我们区
   ======================================== */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-dark), #2d2d44);
    color: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-text p {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 0;
}

/* 留言表单 */
.contact-form {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(10px);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 25px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 8px;
    opacity: 0.9;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    background: rgba(255, 255, 255, 0.15);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

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

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--bg-dark);
    color: #fff;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-icon {
    background: var(--primary-color);
}

.footer-brand p {
    font-size: 14px;
    opacity: 0.7;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links ul li a {
    font-size: 14px;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.6;
}

/* ========================================
   面包屑导航
   ======================================== */
.breadcrumb {
    padding: 20px 0;
    background: var(--bg-light);
    margin-top: 110px;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

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

/* ========================================
   分页
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    background: var(--bg-color);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.pagination a:hover, .pagination span.active {
    background: var(--primary-color);
    color: #fff;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .banner {
        height: 500px;
    }

    .banner-title {
        font-size: 40px;
    }

    .banner-content {
        max-width: 50%;
    }

    .banner-image {
        width: 45%;
        max-width: 400px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card.featured {
        transform: none;
    }

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

    .cities-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }

    .banner {
        height: auto;
        padding: 100px 0 60px;
        margin-top: 80px;
    }

    .banner .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .banner-content {
        max-width: 100%;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-image {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-list {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-color);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 15px;
        border-bottom: 1px solid var(--border-color);
    }

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

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

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

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

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

    .about-image {
        order: -1;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .cities-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: none;
    }

    .footer-social {
        justify-content: center;
    }

    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .banner-title {
        font-size: 26px;
    }

    .banner-desc {
        font-size: 16px;
    }

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

    .btn {
        width: 100%;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

/* ========================================
   动画效果
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ========================================
   工具类
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

.hidden { display: none; }
.visible { display: block; }