/*
 * 陕西延安拍卖公司网站 - 主样式表
 * 版本: 1.0
 */

/* ================================
   CSS变量定义
================================ */
:root {
    /* 主色调 */
    --primary-color: #8B4513;
    --primary-dark: #6B3410;
    --primary-light: #A0522D;
    
    /* 辅助色 */
    --secondary-color: #D4AF37;
    --secondary-dark: #B8960F;
    --secondary-light: #F4D03F;
    
    /* 中性色 */
    --dark-color: #1a1a2e;
    --gray-dark: #333333;
    --gray-color: #666666;
    --gray-light: #999999;
    --gray-lighter: #f5f5f5;
    --white-color: #ffffff;
    
    /* 状态色 */
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    /* 字体 */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', serif;
    
    /* 间距 */
    --section-padding: 80px;
    --container-padding: 15px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ================================
   基础样式
================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white-color);
}

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

a:hover {
    color: var(--primary-dark);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5em;
    color: var(--dark-color);
}

/* ================================
   顶部信息栏
================================ */
.top-bar {
    background: linear-gradient(135deg, var(--dark-color) 0%, #16213e 100%);
    color: var(--white-color);
    padding: 10px 0;
    font-size: 14px;
}

.top-info span {
    color: rgba(255, 255, 255, 0.9);
}

.top-info i {
    color: var(--secondary-color);
    margin-right: 5px;
}

.top-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white-color);
    margin-left: 8px;
    transition: all var(--transition-fast);
}

.top-social a:hover {
    background: var(--secondary-color);
    color: var(--dark-color);
    transform: translateY(-2px);
}

/* ================================
   主导航
================================ */
.main-nav {
    background: var(--white-color);
    box-shadow: var(--shadow-md);
    padding: 0;
    transition: all var(--transition-normal);
}

.main-nav.scrolled {
    padding: 5px 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    padding: 10px 0;
}

.navbar-brand img {
    height: 50px;
    margin-right: 12px;
}

.brand-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.navbar-nav .nav-link {
    color: var(--gray-dark);
    font-weight: 500;
    padding: 20px 18px !important;
    position: relative;
    transition: all var(--transition-fast);
}

.navbar-nav .nav-link i {
    margin-right: 5px;
    font-size: 14px;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--secondary-color);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

/* ================================
   页面Banner
================================ */
.page-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255,255,255,0.03) 10px,
        rgba(255,255,255,0.03) 20px
    );
    opacity: 0.5;
}

.page-banner h1 {
    color: var(--white-color);
    font-size: 36px;
    margin-bottom: 15px;
    position: relative;
}

.page-banner .breadcrumb {
    justify-content: center;
    background: none;
    padding: 0;
    margin: 0;
    position: relative;
}

.page-banner .breadcrumb-item,
.page-banner .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.page-banner .breadcrumb-item.active {
    color: var(--secondary-color);
}

.page-banner .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.5);
}

/* ================================
   首页轮播
================================ */
.hero-swiper {
    height: 600px;
}

.hero-swiper .swiper-slide {
    position: relative;
    background-size: cover;
    background-position: center;
}

.hero-swiper .slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(139, 69, 19, 0.6) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-swiper .slide-content {
    text-align: center;
    color: var(--white-color);
    max-width: 800px;
    padding: 0 20px;
}

.hero-swiper .slide-content h2 {
    font-size: 48px;
    color: var(--white-color);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-swiper .slide-content p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-swiper .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: var(--white-color);
    opacity: 0.5;
}

.hero-swiper .swiper-pagination-bullet-active {
    background: var(--secondary-color);
    opacity: 1;
}

.hero-swiper .swiper-button-next,
.hero-swiper .swiper-button-prev {
    color: var(--white-color);
    background: rgba(255, 255, 255, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.hero-swiper .swiper-button-next:hover,
.hero-swiper .swiper-button-prev:hover {
    background: var(--secondary-color);
    color: var(--dark-color);
}

.hero-swiper .swiper-button-next::after,
.hero-swiper .swiper-button-prev::after {
    font-size: 18px;
}

/* ================================
   区块样式
================================ */
.section {
    padding: var(--section-padding) 0;
}

.section-gray {
    background-color: var(--gray-lighter);
}

.section-dark {
    background: linear-gradient(135deg, var(--dark-color) 0%, #16213e 100%);
    color: var(--white-color);
}

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

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-title p {
    color: var(--gray-color);
    font-size: 18px;
    max-width: 600px;
    margin: 20px auto 0;
}

.section-dark .section-title h2 {
    color: var(--white-color);
}

.section-dark .section-title p {
    color: rgba(255, 255, 255, 0.7);
}

/* ================================
   卡片样式
================================ */
.card-custom {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    height: 100%;
}

.card-custom:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-custom .card-image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

.card-custom .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.card-custom .card-image .category-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--secondary-color);
    color: var(--dark-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.card-custom .card-body {
    padding: 25px;
}

.card-custom .card-title {
    font-size: 18px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-custom .card-title a {
    color: var(--dark-color);
}

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

.card-custom .card-text {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 15px;
}

.card-custom .card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
    font-size: 13px;
    color: var(--gray-light);
}

.card-custom .card-meta i {
    margin-right: 5px;
}

/* ================================
   按钮样式
================================ */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white-color);
    border: none;
    padding: 12px 30px;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(139, 69, 19, 0.3);
}

.btn-primary-custom:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 69, 19, 0.4);
}

.btn-secondary-custom {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--dark-color);
    border: none;
    padding: 12px 30px;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-secondary-custom:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
    color: var(--dark-color);
    transform: translateY(-2px);
}

.btn-outline-custom {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
}

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

/* ================================
   服务特色
================================ */
.feature-box {
    text-align: center;
    padding: 40px 30px;
    background: var(--white-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: 100%;
}

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

.feature-box .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white-color);
    transition: all var(--transition-normal);
}

.feature-box:hover .icon {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--dark-color);
    transform: rotateY(180deg);
}

.feature-box h4 {
    font-size: 20px;
    margin-bottom: 15px;
}

.feature-box p {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.7;
}

/* ================================
   统计数据
================================ */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255,255,255,0.03) 10px,
        rgba(255,255,255,0.03) 20px
    );
    opacity: 0.5;
}

.stat-item {
    text-align: center;
    color: var(--white-color);
    position: relative;
}

.stat-item .stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.stat-item .stat-number span {
    font-size: 24px;
}

.stat-item .stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* ================================
   公告列表
================================ */
.announcement-item {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--primary-color);
}

.announcement-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.announcement-item .date-box {
    text-align: center;
    padding: 15px;
    background: var(--gray-lighter);
    border-radius: var(--radius-md);
    min-width: 80px;
}

.announcement-item .date-box .day {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.announcement-item .date-box .month {
    font-size: 14px;
    color: var(--gray-color);
    margin-top: 5px;
}

.announcement-item .content h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.announcement-item .content h4 a {
    color: var(--dark-color);
}

.announcement-item .content h4 a:hover {
    color: var(--primary-color);
}

.announcement-item .content p {
    color: var(--gray-color);
    font-size: 14px;
    margin-bottom: 10px;
}

.announcement-item .tags span {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gray-lighter);
    border-radius: 20px;
    font-size: 12px;
    color: var(--gray-color);
    margin-right: 8px;
}

.announcement-item .tags span i {
    margin-right: 4px;
}

/* ================================
   服务指南
================================ */
.service-card {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: 100%;
}

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

.service-card .icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.1) 0%, rgba(212, 175, 55, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.service-card:hover .icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white-color);
}

.service-card h4 {
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* ================================
   联系表单
================================ */
.contact-form {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact-form .form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.contact-form .form-control {
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.contact-info-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: var(--white-color);
    height: 100%;
}

.contact-info-box h3 {
    color: var(--white-color);
    margin-bottom: 30px;
}

.contact-info-box .info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-info-box .info-item i {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-info-box .info-item h5 {
    color: var(--secondary-color);
    font-size: 14px;
    margin-bottom: 5px;
}

.contact-info-box .info-item p {
    margin: 0;
    font-size: 16px;
}

/* ================================
   关于我们
================================ */
.about-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-content p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: var(--secondary-color);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.honor-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.honor-list li {
    padding: 12px 0;
    border-bottom: 1px dashed #e9ecef;
    display: flex;
    align-items: center;
}

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

.honor-list li i {
    color: var(--secondary-color);
    margin-right: 12px;
    font-size: 18px;
}

/* ================================
   页脚
================================ */
.site-footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #16213e 100%);
    color: var(--white-color);
}

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

.footer-widget {
    margin-bottom: 30px;
}

.widget-title {
    font-size: 20px;
    color: var(--white-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--secondary-color);
    display: inline-block;
}

.company-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social .social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white-color);
    margin-right: 10px;
    transition: all var(--transition-fast);
}

.footer-social .social-link:hover {
    background: var(--secondary-color);
    color: var(--dark-color);
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.contact-info li i {
    color: var(--secondary-color);
    margin-right: 12px;
    margin-top: 3px;
    width: 16px;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
}

.footer-bottom .copyright,
.footer-bottom .icp {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ================================
   回到顶部
================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white-color);
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--dark-color);
}

/* ================================
   新闻详情
================================ */
.news-detail {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.news-detail .news-header {
    text-align: center;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
    margin-bottom: 30px;
}

.news-detail .news-title {
    font-size: 28px;
    margin-bottom: 20px;
}

.news-detail .news-meta {
    color: var(--gray-light);
    font-size: 14px;
}

.news-detail .news-meta span {
    margin: 0 15px;
}

.news-detail .news-meta i {
    margin-right: 5px;
}

.news-detail .news-content {
    line-height: 2;
    font-size: 16px;
}

.news-detail .news-content p {
    margin-bottom: 20px;
}

.news-detail .news-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 20px 0;
}

/* ================================
   侧边栏
================================ */
.sidebar-widget {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
}

.sidebar-widget .widget-title {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
    color: var(--dark-color);
}

.sidebar-widget .news-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-widget .news-list li {
    padding: 12px 0;
    border-bottom: 1px dashed #eee;
}

.sidebar-widget .news-list li:last-child {
    border-bottom: none;
}

.sidebar-widget .news-list a {
    color: var(--gray-dark);
    font-size: 14px;
    display: block;
    line-height: 1.5;
    transition: all var(--transition-fast);
}

.sidebar-widget .news-list a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.sidebar-widget .news-list .date {
    font-size: 12px;
    color: var(--gray-light);
    margin-top: 5px;
}

/* ================================
   分页
================================ */
.pagination {
    margin-top: 40px;
}

.pagination .page-link {
    color: var(--gray-dark);
    border: 1px solid #dee2e6;
    padding: 10px 16px;
    margin: 0 3px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.pagination .page-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white-color);
}

.pagination .page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* ================================
   响应式
================================ */
@media (max-width: 991px) {
    .hero-swiper {
        height: 450px;
    }
    
    .hero-swiper .slide-content h2 {
        font-size: 32px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .navbar-nav .nav-link {
        padding: 12px 0 !important;
    }
    
    .stat-item {
        margin-bottom: 30px;
    }
}

@media (max-width: 767px) {
    .hero-swiper {
        height: 350px;
    }
    
    .hero-swiper .slide-content h2 {
        font-size: 24px;
    }
    
    .hero-swiper .slide-content p {
        font-size: 16px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .page-banner {
        padding: 40px 0;
    }
    
    .page-banner h1 {
        font-size: 28px;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    .contact-info-box {
        margin-top: 30px;
    }
    
    .news-detail {
        padding: 25px;
    }
    
    .news-detail .news-title {
        font-size: 22px;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

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

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

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