/* ===================================
   全局样式
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00ABBB;
    --secondary-color: #3FC7CB;
    --accent-color: #33D4DD;
    --text-dark: #333333;
    --text-muted: #666666;
    --text-light: #999999;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;
    --border-color: #E5E5E5;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.1);
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    font-size: 16px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* ===================================
   头部导航
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

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

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

.logo img {
    height: 50px;
    width: auto;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 40px;
}

.nav-link {
    display: block;
    padding: 10px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.header-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
}

.header-phone i {
    color: var(--primary-color);
    font-size: 18px;
}

.header-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.header-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    transition: color 0.3s ease;
}

.mobile-menu-toggle:hover {
    color: var(--primary-color);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}

.mobile-menu-content {
    padding: 20px;
}

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

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

.mobile-nav-list a {
    display: block;
    padding: 15px 10px;
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.mobile-nav-list a:hover {
    color: var(--primary-color);
    padding-left: 20px;
}

.mobile-contact {
    margin-top: 20px;
}

.mobile-contact-btn {
    display: block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.mobile-contact-btn i {
    margin-right: 8px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 42px;
    font-weight: bold;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 15px;
    position: relative;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 60px;
}

/* ===================================
   Banner 幻灯片区域
   =================================== */
.banner-section {
    margin-top: 80px;
    position: relative;
}

.bannerSwiper {
    width: 100%;
    height: 600px;
}

.bannerSwiper .swiper-slide {
    position: relative;
    overflow: hidden;
}

.bannerSwiper .swiper-slide a {
    display: block;
    width: 100%;
    height: 100%;
}

.bannerSwiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bannerSwiper .swiper-pagination {
    bottom: 30px;
}

.bannerSwiper .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #fff;
    opacity: 0.5;
    margin: 0 6px;
}

.bannerSwiper .swiper-pagination-bullet-active {
    background: var(--primary-color);
    opacity: 1;
    width: 30px;
    border-radius: 6px;
}

.bannerSwiper .swiper-button-prev,
.bannerSwiper .swiper-button-next {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    color: var(--primary-color);
}

.bannerSwiper .swiper-button-prev:after,
.bannerSwiper .swiper-button-next:after {
    font-size: 20px;
    font-weight: bold;
}

.bannerSwiper .swiper-button-prev:hover,
.bannerSwiper .swiper-button-next:hover {
    background: var(--primary-color);
    color: #fff;
}

/* ===================================
   产品中心
   =================================== */
.products-section {
    background: var(--bg-light);
}

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

.product-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover::before {
    transform: scaleX(1);
}

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

.product-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #E8F9FA, #D0F2F7);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.product-card:hover .product-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
}

.product-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.product-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.product-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.product-arrow {
    font-size: 18px;
    color: var(--primary-color);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.product-card:hover .product-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ===================================
   关于我们
   =================================== */
.about-section {
    background: #fff;
}

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

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-image img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 20px;
    text-align: justify;
    text-indent: 2em;
}

.consult-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    margin-top: 20px;
}

.consult-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.consult-btn i {
    margin-right: 8px;
}

/* ===================================
   服务优势
   =================================== */
.advantages-section {
    background: var(--bg-light);
}

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

.advantage-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: rotateY(360deg);
}

.advantage-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.advantage-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===================================
   收费标准
   =================================== */
.pricing-section {
    background: #fff;
}

.pricing-table-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 20px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}

.pricing-table tbody td {
    padding: 25px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
    color: var(--text-dark);
}

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

.pricing-table tbody tr:hover {
    background: #F9FCFE;
}

.pricing-table .sub-text {
    font-size: 13px;
    color: var(--text-light);
    display: block;
    margin-top: 5px;
}

.pricing-table .price {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
}

.pricing-note {
    padding: 25px 30px;
    background: #FFF9E6;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.pricing-note i {
    font-size: 18px;
    color: #FFA500;
    margin-right: 10px;
}

.pricing-cta {
    padding: 30px;
    text-align: center;
    background: var(--bg-light);
}

.cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 15px 50px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cta-btn i {
    margin-right: 10px;
}

/* ===================================
   服务流程
   =================================== */
.process-section {
    background: var(--bg-light);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 20px;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    position: absolute;
    top: 0;
    right: 20px;
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    box-shadow: var(--shadow-sm);
}

.step-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.process-step:hover .step-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.step-icon img {
    width: 70px;
    height: 70px;
    object-fit: contain;
}

.step-title {
    font-size: 16px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 8px;
}

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

/* ===================================
   联系咨询横幅
   =================================== */
.contact-banner {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.contact-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.contact-banner::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.contact-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.contact-info h2 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 15px;
}

.contact-phone {
    font-size: 48px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.contact-info p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.contact-btn-large {
    background: #fff;
    color: var(--primary-color);
    padding: 20px 60px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.contact-btn-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.contact-btn-large i {
    margin-right: 12px;
}

/* ===================================
   新闻动态
   =================================== */
.news-section {
    background: #fff;
}

.news-swiper-wrapper {
    margin-bottom: 60px;
}

.newsSwiper {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.news-slide-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: #fff;
    min-height: 400px;
}

.news-slide-image {
    overflow: hidden;
}

.news-slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.newsSwiper .swiper-slide:hover .news-slide-image img {
    transform: scale(1.1);
}

.news-slide-content {
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-slide-content h3 {
    font-size: 28px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.4;
}

.news-slide-content p {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 25px;
}

.news-meta {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: var(--text-light);
}

.news-meta i {
    margin-right: 8px;
    color: var(--primary-color);
}

.newsSwiper .swiper-button-prev,
.newsSwiper .swiper-button-next {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    color: var(--primary-color);
}

.newsSwiper .swiper-button-prev:after,
.newsSwiper .swiper-button-next:after {
    font-size: 20px;
    font-weight: bold;
}

.newsSwiper .swiper-button-prev:hover,
.newsSwiper .swiper-button-next:hover {
    background: var(--primary-color);
    color: #fff;
}

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

.news-item {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.news-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.news-item:hover::before {
    transform: scaleY(1);
}

.news-item:hover {
    background: #fff;
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.news-date {
    text-align: center;
    padding: 15px 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.date-day {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

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

.news-content {
    flex: 1;
}

.news-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
}

.news-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.news-link {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.news-item:hover .news-link {
    transform: scale(1.2);
}

/* ===================================
   常见问题
   =================================== */
.faq-section {
    background: var(--bg-light);
}

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

.faq-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

.faq-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.faq-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #E8F9FA, #D0F2F7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.faq-card:hover .faq-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    transform: rotateY(360deg);
}

.faq-card h3 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.6;
}

/* ===================================
   页脚
   =================================== */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-column {
    
}

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

.footer-logo img {
    height: 45px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    transition: all 0.3s ease;
}

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

.footer-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 12px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    display: inline-block;
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-contact i {
    font-size: 18px;
    color: var(--primary-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-contact strong {
    display: block;
    font-size: 14px;
    color: #fff;
    margin-bottom: 3px;
}

.footer-contact span {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-qrcode {
    margin-top: 30px;
    text-align: center;
}

.footer-qrcode img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    margin: 0 auto 10px;
    border: 3px solid rgba(255, 255, 255, 0.1);
}

.footer-qrcode p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
    padding: 30px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

.footer-copyright a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s ease;
}

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

.footer-links-bottom {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 13px;
}

.footer-links-bottom a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s ease;
}

.footer-links-bottom a:hover {
    color: var(--primary-color);
}

.footer-links-bottom span {
    color: rgba(255, 255, 255, 0.3);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

/* 侧边浮动咨询 */
.side-contact {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.side-item {
    width: 60px;
    height: 60px;
    background: #fff;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    color: var(--text-dark);
    cursor: pointer;
}

.side-item:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.side-item i {
    font-size: 24px;
    margin-bottom: 5px;
}

.side-item span {
    font-size: 12px;
}

.phone-item:hover {
    background: var(--primary-color);
    color: #fff;
}

.wechat-item:hover {
    background: #07C160;
    color: #fff;
}

.service-item:hover {
    background: var(--secondary-color);
    color: #fff;
}

/* ===================================
   页面标题横幅
   =================================== */
.page-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 120px 0 80px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.page-banner-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: 48px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    font-size: 14px;
    color: #fff;
}

.breadcrumb a {
    color: #fff;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.8;
}

.breadcrumb i {
    font-size: 10px;
    opacity: 0.6;
}

/* ===================================
   关于我们页面样式
   =================================== */
.about-intro-section {
    background: #fff;
}

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

.about-intro-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-intro-image img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

.about-intro-image:hover img {
    transform: scale(1.05);
}

.about-intro-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 25px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-md);
}

.about-intro-badge i {
    font-size: 24px;
    color: var(--primary-color);
}

.about-intro-badge span {
    font-size: 16px;
    font-weight: bold;
    color: var(--text-dark);
}

.about-intro-text {
    
}

.intro-highlight {
    background: linear-gradient(135deg, #E8F9FA, #D0F2F7);
    padding: 25px 30px;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 25px;
    position: relative;
}

.intro-highlight i {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 24px;
    color: var(--primary-color);
    opacity: 0.3;
}

.intro-highlight p {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.8;
    margin: 0;
    padding-left: 40px;
}

.about-intro-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 20px;
    text-align: justify;
}

.intro-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    margin-top: 10px;
}

.intro-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.intro-btn i {
    margin-right: 8px;
}

/* 服务优势详情 */
.advantages-detail-section {
    background: var(--bg-light);
}

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

.advantage-detail-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.advantage-detail-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.advantage-detail-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.advantage-detail-card:hover .advantage-detail-icon {
    transform: rotateY(360deg);
}

.advantage-detail-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.advantage-detail-divider {
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    margin-bottom: 20px;
}

.advantage-detail-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 20px;
}

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

.advantage-detail-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-dark);
    border-bottom: 1px dashed var(--border-color);
}

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

.advantage-detail-list i {
    color: var(--primary-color);
    font-size: 16px;
}

/* 收费标准详情 */
.pricing-detail-section {
    background: #fff;
}

.pricing-table-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: var(--shadow-md);
    border-radius: 15px;
    overflow: hidden;
}

.pricing-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
}

.pricing-table th {
    padding: 20px;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
}

.pricing-table tbody tr {
    transition: background 0.3s ease;
}

.pricing-table tbody tr:hover {
    background: var(--bg-light);
}

.pricing-table td {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
    color: var(--text-muted);
}

.pricing-table td:nth-child(1) {
    text-align: left;
}

.pricing-table td:nth-child(2),
.pricing-table td:nth-child(3) {
    text-align: center;
}

.pricing-table .sub-text {
    font-size: 13px;
    color: var(--text-light);
}

.pricing-table .price {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
}

.pricing-note {
    margin-top: 25px;
    padding: 20px;
    background: linear-gradient(135deg, #E8F9FA, #D0F2F7);
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-note i {
    color: var(--primary-color);
    font-size: 18px;
}

.pricing-cta {
    text-align: center;
    margin-top: 40px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 18px 50px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* 服务流程详情 */
.process-detail-section {
    background: var(--bg-light);
}

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

.process-step {
    background: #fff;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
}

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

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    box-shadow: var(--shadow-md);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 20px auto 20px;
}

.step-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.step-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.step-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 联系横幅 */
.contact-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 60px 0;
}

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

.contact-info h2 {
    font-size: 32px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 15px;
}

.contact-phone {
    font-size: 42px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.contact-info p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.contact-btn-large {
    background: #fff;
    color: var(--primary-color);
    padding: 20px 50px;
    border-radius: 30px;
    font-size: 20px;
    font-weight: bold;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.contact-btn-large:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ===================================
   鉴定项目页面样式
   =================================== */
.project-section {
    background: var(--bg-light);
}

.project-section:nth-child(even) {
    background: #fff;
}

.project-card {
    background: #fff;
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
}

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

.project-icon {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
}

.project-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.project-title-wrapper {
    flex: 1;
}

.project-title {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.project-subtitle {
    font-size: 16px;
    color: var(--text-muted);
}

.project-divider {
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), transparent);
    margin-bottom: 30px;
}

.project-body {
    
}

.project-intro {
    margin-bottom: 40px;
}

.project-intro p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 15px;
}

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

.project-detail-item {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 15px;
    display: flex;
    gap: 20px;
}

.detail-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    flex-shrink: 0;
}

.detail-content {
    flex: 1;
}

.detail-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.detail-text p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.detail-text strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* ===================================
   新闻详情页面样式
   =================================== */
.container-small {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.news-back-btn {
    position: fixed;
    top: 100px;
    right: 30px;
    z-index: 999;
}

.back-link {
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    font-size: 20px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.back-link:hover {
    background: var(--primary-color);
    color: #fff;
    transform: scale(1.1);
}

.news-detail-header {
    background: #fff;
    padding: 120px 0 50px;
    margin-top: 80px;
}

.news-detail-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 20px;
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: 30px;
    font-size: 14px;
    color: var(--text-muted);
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.news-detail-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.news-detail-meta i {
    color: var(--primary-color);
}

.news-summary-section {
    padding: 40px 0;
    background: #fff;
}

.summary-box {
    background: linear-gradient(135deg, #E8F9FA, #D0F2F7);
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    display: flex;
    gap: 20px;
}

.summary-icon {
    font-size: 36px;
    color: var(--primary-color);
    opacity: 0.3;
}

.summary-content h3 {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.summary-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
}

.news-content-section {
    padding: 40px 0 80px;
    background: #fff;
}

.news-article {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-dark);
}

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

.news-article img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 30px 0;
}

.news-article h2,
.news-article h3 {
    margin: 30px 0 20px;
    color: var(--text-dark);
}

.news-tags {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
}

.tag-label {
    font-size: 15px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tag-item {
    background: var(--bg-light);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-dark);
}

.news-share {
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.share-label {
    font-size: 15px;
    color: var(--text-muted);
}

.share-buttons {
    display: flex;
    gap: 15px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    transition: all 0.3s ease;
}

.share-btn.wechat {
    background: #07C160;
}

.share-btn.weibo {
    background: #E6162D;
}

.share-btn.qq {
    background: #12B7F5;
}

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

.news-navigation {
    margin-top: 50px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.nav-item {
    
}

.nav-item a {
    display: block;
    background: var(--bg-light);
    padding: 25px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.nav-item a:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateX(5px);
}

.prev-item a:hover {
    transform: translateX(-5px);
}

.nav-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

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

.nav-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.nav-item a:hover .nav-title {
    color: #fff;
}

.related-news-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.related-news-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

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

.related-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.related-news-content {
    padding: 25px;
}

.related-news-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 12px;
}

.related-news-title a {
    color: var(--text-dark);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

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

.related-news-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.related-news-meta {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===================================
   新闻列表页面样式
   =================================== */
.newslist-section {
    background: #fff;
}

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

.newslist-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

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

.newslist-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.newslist-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 171, 187, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.newslist-card:hover .newslist-overlay {
    opacity: 1;
}

.newslist-overlay i {
    font-size: 40px;
    color: #fff;
}

.newslist-content {
    padding: 25px;
}

.newslist-date {
    background: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    text-align: center;
    display: inline-block;
    margin-bottom: 15px;
}

.date-day {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
}

.date-month {
    font-size: 12px;
    margin-top: 3px;
}

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

.newslist-title a {
    color: var(--text-dark);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

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

.newslist-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.newslist-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    margin-bottom: 15px;
}

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

.newslist-readmore {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.newslist-readmore:hover {
    gap: 12px;
}

.pagination-wrapper {
    margin-top: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.page-status {
    font-size: 14px;
    color: var(--text-muted);
    margin-right: 15px;
}

.page-index a,
.page-pre a,
.page-next a,
.page-last a {
    display: inline-block;
    padding: 10px 20px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.page-index a:hover,
.page-pre a:hover,
.page-next a:hover,
.page-last a:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.page-numbar {
    display: inline-flex;
    gap: 8px;
    margin: 0 10px;
}

.page-num {
    display: inline-block;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-dark);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.page-num:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-num-current {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color)) !important;
    color: #fff !important;
    border-color: var(--primary-color) !important;
    font-weight: bold;
    box-shadow: var(--shadow-sm);
}

.page-pre a[href="javascript:;"],
.page-next a[href="javascript:;"] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===================================
   联系我们页面样式
   =================================== */
.contact-info-section {
    background: #fff;
}

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

.contact-info-card {
    background: linear-gradient(135deg, #E8F9FA, #D0F2F7);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: var(--shadow-lg);
}

.contact-info-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.contact-info-card:hover .contact-info-icon {
    transform: rotateY(360deg);
}

.contact-info-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.contact-info-text {
    margin-bottom: 20px;
}

.contact-info-text p {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 5px;
}

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

.contact-info-btn {
    display: inline-block;
    padding: 10px 30px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 25px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.contact-info-btn:hover {
    background: var(--accent-color);
    transform: scale(1.05);
}

.contact-form-section {
    background: var(--bg-light);
}

.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    
}

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

.form-group {
    
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 10px;
}

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

.form-control {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-submit {
    text-align: center;
    margin-top: 40px;
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 15px 60px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.form-note {
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.map-section {
    
}

.map-container {
    width: 100%;
    height: 500px;
}

.qrcode-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.qrcode-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
}

.qrcode-content {
    position: relative;
    background: #fff;
    border-radius: 15px;
    max-width: 400px;
    width: 90%;
    z-index: 1;
}

.qrcode-header {
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qrcode-header h3 {
    font-size: 20px;
    color: var(--text-dark);
}

.qrcode-close {
    font-size: 32px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s ease;
}

.qrcode-close:hover {
    color: var(--text-dark);
}

.qrcode-body {
    padding: 40px;
    text-align: center;
}

.qrcode-image {
    width: 250px;
    height: 250px;
    margin: 0 auto 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
}

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

/* ===================================
   响应式设计
   =================================== */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .products-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .process-timeline::before {
        display: none;
    }
}

@media (max-width: 768px) {
    /* 头部适配 */
    .main-nav {
        display: none;
    }
    
    .header-contact {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-content {
        height: 60px;
    }
    
    .logo img {
        height: 40px;
    }
    
    /* 页脚适配 */
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .side-contact {
        display: none;
    }
    
    /* 内容区适配 */
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }
    
    .bannerSwiper {
        height: 400px;
    }
    
    .banner-section {
        margin-top: 60px;
    }
    
    .products-grid,
    .advantages-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .news-slide-card {
        grid-template-columns: 1fr;
    }
    
    .news-list {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .contact-phone {
        font-size: 36px;
    }
}