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

:root {
    --primary-color: #1e88e5;
    --primary-dark: #1565c0;
    --primary-light: #42a5f5;
    --secondary-color: #f5f5f5;
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(30, 136, 229, 0.2);
    --transition: all 0.3s ease;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #868e96;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

.section {
    padding: 80px 0;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 75px;
    height: 75px;
    /*background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));*/
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 28px;
    height: 28px;
}

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

.logo-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.3;
}

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

/* 桌面端导航链接 */
.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    list-style: none;
}

.nav-links a {
    font-size: 15px;
    color: var(--text-color);
    text-decoration: none;
    position: relative;
    padding: 6px 0;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* 语言切换 */
.lang-dropdown {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 20px;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.lang-btn svg {
    transition: var(--transition);
}

.lang-dropdown:hover .lang-btn svg {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    min-width: 110px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s ease;
    overflow: hidden;
}

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

.lang-menu a {
    display: block;
    padding: 12px 18px;
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.lang-menu a:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

/* 汉堡按钮 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2.5px;
    background: var(--text-color);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端遮罩 */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 移动端侧滑菜单 - 默认隐藏 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px !important;
    width: 280px;
    height: 100vh;
    background: var(--white);
    z-index: 1002;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

.mobile-menu.active {
    right: 0 !important;
    pointer-events: auto;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
}

.mobile-logo .logo-icon svg {
    width: 22px;
    height: 22px;
}

.mobile-logo span {
    font-size: 15px;
    font-weight: 600;
}

.mobile-close {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.mobile-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.mobile-close svg {
    width: 18px;
    height: 18px;
    color: var(--white);
}

.mobile-links {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.mobile-links li {
    border-bottom: 1px solid var(--gray-100);
}

.mobile-links a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    font-size: 15px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.mobile-links a:hover,
.mobile-links a.active {
    background: var(--gray-50);
    color: var(--primary-color);
}

.mobile-links a i {
    width: 20px;
    text-align: center;
    color: var(--text-light);
}

.mobile-links a:hover i,
.mobile-links a.active i {
    color: var(--primary-color);
}

.mobile-footer {
    padding: 16px 20px;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.mobile-footer p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-light);
    margin: 0;
}

.mobile-footer i {
    color: var(--primary-color);
}

/* 关于我们 - 左右布局 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 50px;
    align-items: start;
}

.about-left {
    min-width: 0;
}

.about-right {
    position: sticky;
    top: 90px;
}

/* 授权书卡片 */
.auth-card {
    background: linear-gradient(145deg, #ffffff, #f8fbff);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 10px 40px rgba(30, 136, 229, 0.1);
    border: 1px solid #e3f2fd;
    text-align: center;
    transition: var(--transition);
}

.auth-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(30, 136, 229, 0.18);
    border-color: var(--primary-color);
}

.auth-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
}

.auth-badge i {
    font-size: 16px;
}

.auth-image-wrapper {
    margin: 15px 0;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-image {
    max-width: 100%;
    max-height: 420px;
    border-radius: 10px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
    object-fit: contain;
}

.auth-title {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 15px;
    line-height: 1.6;
}

/* 优势卡片 */
.about-advantages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 30px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: linear-gradient(135deg, #f8fbff, #ffffff);
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid #e3f2fd;
}

.advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 136, 229, 0.1);
    border-color: var(--primary-color);
}

.advantage-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.advantage-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}

.advantage-content p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

.authorization-card-vertical .authorization-badge {
    position: relative;
    top: 0;
    left: 0;
    transform: none;
    display: inline-flex;
    margin-bottom: 15px;
}

.authorization-card-vertical .authorization-img {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.authorization-card-vertical .authorization-caption {
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
    margin-top: 15px;
    font-style: italic;
    line-height: 1.5;
}

/* ==================== Banner区域 ==================== */
.banner {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-slide.active {
    opacity: 1;
    z-index: 1;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

/* 轮播图片基础样式 */
.banner-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

/* PC端图片 - 默认显示 */
.banner-img-pc {
    opacity: 1;
    z-index: 1;
}

/* 移动端图片 - 默认隐藏 */
.banner-img-mobile {
    opacity: 0;
    z-index: 0;
}

/* 移动端显示移动端图片 */
@media (max-width: 768px) {
    .banner-img-pc {
        opacity: 0;
        z-index: 0;
    }
    
    .banner-img-mobile {
        opacity: 1;
        z-index: 1;
    }
}

/* 图片遮罩层 - 增强文字可读性 */
.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.4) 100%
    );
    z-index: 2;
}

.banner-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 20px;
}

.banner-slide.active .banner-content {
    animation: fadeInUp 0.8s ease;
}

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

.banner-title {
    font-size: 52px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.banner-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 40px;
    line-height: 1.8;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.banner-btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.3);
}

.banner-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 136, 229, 0.4);
}

/* Banner轮播指示器 */
.banner-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.banner-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}

.banner-indicator.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.banner-indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Banner箭头 */
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: var(--primary-color);
    font-size: 20px;
    border: none;
}

.banner-arrow:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.banner-arrow.prev {
    left: 30px;
}

.banner-arrow.next {
    right: 30px;
}

/* ==================== 关于我们 ==================== */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.about-desc {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 25px;
    background: linear-gradient(135deg, #f8fbff, #ffffff);
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid #e3f2fd;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(30, 136, 229, 0.15);
    border-color: var(--primary-color);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    flex-shrink: 0;
}

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

.advantage-content p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

/* 授权书展示区域 */
.authorization-display {
    display: flex;
    justify-content: center;
    margin: 40px 0;
}

.authorization-card {
    background: linear-gradient(135deg, #f8fbff, #ffffff);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 30px rgba(30, 136, 229, 0.15);
    border: 2px solid #e3f2fd;
    position: relative;
    transition: var(--transition);
    max-width: 450px;
    width: 100%;
}

.authorization-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(30, 136, 229, 0.2);
    border-color: var(--primary-color);
}

.authorization-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.3);
}

.authorization-badge i {
    font-size: 16px;
}

.authorization-img {
    width: 100%;
    max-width: 350px;
    height: auto;
    display: block;
    margin: 15px auto 10px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.authorization-caption {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 15px;
    font-style: italic;
}

/* 合作背书 */
.about-partner {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

.partner-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: linear-gradient(135deg, #f8fbff, #e8f4fd);
    border-radius: 30px;
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 500;
    border: 1px solid rgba(30, 136, 229, 0.2);
}

.partner-badge i {
    font-size: 18px;
}

/* ==================== 产品中心 ==================== */
.products {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.section-title-area {
    display: flex;
    flex-direction: column;
}

.products-pagination {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pagination-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    background: var(--white);
    border-radius: 50%;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: var(--white);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-info {
    font-size: 16px;
    color: var(--text-color);
    font-weight: 500;
}

.products-wrapper {
    overflow: visible;
    padding-top: 10px;
    margin-top: -10px;
}

.products-slider {
    position: relative;
}

.products-page {
    display: none;
    animation: fadeIn 0.5s ease;
    padding-bottom: 10px;
}

.products-page.active {
    display: block;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.products-grid.second-page {
    grid-template-columns: repeat(3, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, #e3f2fd 0%, #f5f5f5 100%);
    border-color: var(--primary-color);
}

.product-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border: none;
}

.product-card.featured:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.product-card.featured .product-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.product-card.featured h3 {
    color: var(--white);
}

.product-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.product-card.featured .product-link {
    color: var(--white);
}

.product-icon {
    width: 60px;
    height: 60px;
    background: #e3f2fd;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 28px;
    color: var(--primary-color);
}

.product-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.product-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
    flex: 1;
}

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

.product-link i {
    transition: var(--transition);
}

.product-card:hover .product-link i {
    transform: translateX(5px);
}

/* ==================== 新闻中心 ==================== */
.news {
    padding: 100px 0;
    background: var(--white);
}

.view-all-btn {
    padding: 10px 25px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 14px;
    transition: var(--transition);
}

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

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

.news-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 2px solid transparent;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, #e3f2fd 0%, #f5f5f5 100%);
    border-color: var(--primary-color);
}

.news-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
}

.news-card.featured:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.news-card.featured .news-image .image-placeholder {
    background: rgba(255, 255, 255, 0.2);
}

.news-card.featured .news-content {
    color: var(--white);
}

.news-card.featured .news-date,
.news-card.featured h3,
.news-card.featured p {
    color: var(--white);
}

.news-card.featured .news-date {
    opacity: 0.9;
}

.news-card.featured p {
    opacity: 0.9;
}

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

.news-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 2px;
}

.news-content {
    padding: 25px;
}

.news-date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.news-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
    line-height: 1.4;
}

.news-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.read-more {
    font-size: 14px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.read-more i {
    transition: var(--transition);
}

.news-card:hover .read-more i {
    transform: translateX(5px);
}

/* ==================== 联系我们 ==================== */
.contact {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: start;
}

.contact-info-card {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.contact-info-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.contact-items {
    display: flex;
    flex-direction: column;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 15px 0;
    border-bottom: 1px solid var(--gray-100);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}

.contact-detail p {
    font-size: 14px;
    color: var(--text-light);
}

.partner-hospitals {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.hospital-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.hospital-card {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.hospital-card:hover {
    background: var(--white);
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.hospital-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.hospital-header i {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 16px;
}

.hospital-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    flex: 1;
}

.hospital-info {
    padding-left: 46px;
}

.hospital-info p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 6px;
}

.hospital-info p:last-child {
    margin-bottom: 0;
}

.hospital-info p i {
    color: var(--primary-color);
    font-size: 12px;
    width: 14px;
}

/* 二维码悬停弹窗 */
.qrcode-hover {
    position: relative;
    cursor: pointer;
}

.qrcode-popup {
    position: absolute;
    bottom: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: var(--white);
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
    min-width: 140px;
    text-align: center;
}

.qrcode-popup::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid var(--white);
}

.qrcode-hover:hover .qrcode-popup {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
}

.qrcode-popup-img {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    border: 2px dashed var(--primary-color);
}

.qrcode-popup-img i {
    font-size: 40px;
    color: var(--primary-color);
    opacity: 0.5;
}

.qrcode-popup span {
    font-size: 12px;
    color: var(--text-light);
    display: block;
}

/* ==================== 页脚 ==================== */
.footer {
    background: linear-gradient(135deg, #1a237e, #0d47a1);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo .logo-icon {
    background: rgba(255, 255, 255, 0.2);
}

.footer-logo span {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social .social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    transition: var(--transition);
}

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

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

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

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

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

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

.footer-qrcode h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-qrcode-list {
    display: flex;
    gap: 20px;
}

.footer-qrcode-item {
    text-align: center;
}

.qrcode-box {
    width: 90px;
    height: 90px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    transition: var(--transition);
}

.qrcode-box:hover {
    background: rgba(255, 255, 255, 0.2);
}

.qrcode-box i {
    font-size: 36px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-qrcode-item span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

/* 联系我们页面的二维码区域 */
.contact-qrcode {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: center;
}

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

.qrcode-item .qrcode-placeholder {
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    border: 2px dashed var(--primary-color);
}

.qrcode-item .qrcode-placeholder i {
    font-size: 50px;
    color: var(--primary-color);
    opacity: 0.6;
}

.qrcode-item p {
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
}

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

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
    position: relative;
}

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

.social-qrcode {
    position: absolute;
    bottom: 55px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    text-align: center;
    min-width: 140px;
}

.social-qrcode::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid var(--white);
}

.social-icons a:hover .social-qrcode {
    opacity: 1;
    visibility: visible;
}

.qrcode-img {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 60px;
    margin: 0 auto 8px;
}

.qrcode-text {
    font-size: 12px;
    color: var(--text-color);
    font-weight: 500;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.6;
    margin-bottom: 5px;
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(30, 136, 229, 0.5);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.back-to-top:active {
    transform: translateY(-3px);
}

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

.back-to-top i {
    transition: transform 0.3s ease;
}

.back-to-top:hover i {
    transform: translateY(-3px);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid.second-page {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* 移动端导航 */
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        display: none;
    }
    
    .lang-dropdown {
        display: none;
    }
    
    /* 关于我们左右布局改为上下 */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-right {
        position: static;
    }
    
    .about-advantages {
        grid-template-columns: 1fr;
    }
    
    .banner-title {
        font-size: 32px;
    }
    
    .banner-subtitle {
        font-size: 15px;
    }
    
    /* 移动端箭头按钮调整 */
    .banner-arrow {
        width: 36px;
        height: 36px;
        opacity: 0.85;
    }
    
    .banner-arrow.prev {
        left: 10px;
    }
    
    .banner-arrow.next {
        right: 10px;
    }
    
    .banner-arrow svg {
        width: 16px;
        height: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .products-grid.second-page {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hospital-cards {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-qrcode-list {
        justify-content: flex-start;
    }
}


@media (max-width: 576px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid.second-page {
        grid-template-columns: 1fr;
    }
    
    /* 产品详情页手机适配 */
    .product-detail.section {
        padding: 30px 0;
    }
    
    .product-header-card {
        flex-direction: column;
        padding: 25px;
        gap: 25px;
    }
    
    .product-header-left {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .product-detail-icon {
        width: 70px;
        height: 70px;
    }
    
    .product-header-info h1 {
        font-size: 24px;
    }
    
    .product-header-info p {
        font-size: 14px;
    }
    
    .product-header-right {
        width: 100%;
        min-width: unset;
    }
    
    .quick-info {
        background: rgba(255, 255, 255, 0.15);
        padding: 15px;
        border-radius: 12px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-btn {
        width: 100%;
        text-align: center;
        padding: 14px 20px;
    }
    
    .product-detail-content {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 30px;
    }
    
    .product-feature {
        padding: 20px;
    }
    
    .product-feature h3 {
        font-size: 16px;
        gap: 10px;
    }
    
    .product-feature h3 svg {
        width: 20px;
        height: 20px;
    }
    
    .product-feature p {
        font-size: 14px;
    }
    
    .detection-process {
        padding: 30px 20px;
        margin-bottom: 30px;
    }
    
    .detection-process h3 {
        font-size: 20px;
        margin-bottom: 30px;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .process-step::after {
        display: none;
    }
    
    .step-icon {
        width: 55px;
        height: 55px;
        font-size: 22px;
    }
    
    .step-title {
        font-size: 14px;
    }
    
    .step-desc {
        font-size: 12px;
    }
    
    .tabs-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding-bottom: 10px;
    }
    
    .tab-btn {
        padding: 10px 16px;
        font-size: 14px;
        white-space: nowrap;
    }
    
    .tab-content ul {
        grid-template-columns: 1fr;
    }
    
    .tab-content li {
        padding: 12px;
        font-size: 14px;
    }
    
    .related-products h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .related-grid .product-card {
        padding: 25px;
    }
    
    /* 面包屑导航手机适配 */
    .breadcrumb .container {
        font-size: 12px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .page-header p {
        font-size: 15px;
    }
}

/* 产品详情页媒体查询 - 768px */
@media (max-width: 768px) {
    .product-header-card {
        padding: 30px;
        gap: 30px;
    }
    
    .product-header-info h1 {
        font-size: 28px;
    }
    
    .product-detail-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-btn {
        width: 100%;
        text-align: center;
    }
}

/* ==================== 内页通用样式 ==================== */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #003366 0%, #0066cc 100%);
    padding: 140px 0 60px;
    text-align: center;
    color: white;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 600;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 16px 0;
    background: var(--gray-50);
    margin-bottom: 0;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-500);
}

.breadcrumb a {
    color: var(--gray-500);
    transition: color var(--transition);
}

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

.breadcrumb svg {
    width: 14px;
    height: 14px;
}

/* 返回按钮 */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 30px;
    transition: color var(--transition);
}

.back-btn:hover {
    color: var(--primary-color);
}

.back-btn svg {
    width: 16px;
    height: 16px;
}

/* ==================== 产品详情页样式 ==================== */
/* 产品头部卡片 - 新设计 */
.product-header-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-xl);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 50px;
    color: white;
}

.product-header-left {
    display: flex;
    align-items: center;
    gap: 24px;
    flex: 1;
}

.product-header-info h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-header-info p {
    font-size: 16px;
    opacity: 0.9;
}

.product-detail-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.product-detail-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.product-header-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 280px;
}

.quick-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.quick-info-label {
    font-size: 14px;
    opacity: 0.8;
    min-width: 70px;
}

.quick-info-value {
    font-size: 15px;
    font-weight: 500;
}

.product-detail-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.product-feature {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
}

.product-feature h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 16px;
}

.product-feature h3 svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

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

/* 检测流程 */
.detection-process {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 50px;
    margin-bottom: 40px;
}

.detection-process h3 {
    font-size: 24px;
    color: var(--gray-800);
    text-align: center;
    margin-bottom: 40px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

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

.process-step::after {
    content: '';
    position: absolute;
    top: 35px;
    right: -15px;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

.process-step:last-child::after {
    display: none;
}

.step-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
    font-size: 28px;
    font-weight: 700;
}

.step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 13px;
    color: var(--text-light);
}

/* 产品标签页 */
.product-tabs {
    margin-bottom: 40px;
}

.tabs-nav {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 30px;
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    font-size: 16px;
    color: var(--text-light);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

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

.tab-btn:hover,
.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    width: 100%;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.tab-content ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.tab-content li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.tab-content li svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* CTA按钮 */
.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: flex-start;
    margin-top: 0;
}

.cta-btn {
    padding: 12px 28px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

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

.cta-btn-primary:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.cta-btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

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

/* 相关产品推荐 */
.related-products {
    margin-top: 60px;
}

.related-products h3 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 30px;
    text-align: center;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

/* ==================== 新闻列表页样式 ==================== */
.news-list-filters {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.news-filter-btn {
    padding: 10px 24px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 30px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.news-filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.news-filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.news-list-grid {
    display: grid;
    gap: 30px;
}

.news-card-horizontal {
    display: grid;
    grid-template-columns: 300px 1fr;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 2px solid transparent;
}

.news-card-horizontal:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

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

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

.news-card-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    border-radius: 20px;
}

.news-card-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-card-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--gray-500);
}

.news-card-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-card-meta svg {
    width: 16px;
    height: 16px;
}

.news-card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-card-excerpt {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.news-card-link svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.news-card-link:hover svg {
    transform: translateX(5px);
}

/* 新闻分页 */
.news-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
}

.page-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--gray-200);
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.page-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

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

.page-ellipsis {
    color: var(--gray-400);
}

/* ==================== 新闻详情页样式 ==================== */
.news-detail-page {
    padding: 40px 0 80px;
}

.news-detail-cover {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    border-radius: var(--radius-xl);
    margin-bottom: 40px;
}

.news-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-detail-category {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.news-detail-meta {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

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

.news-detail-meta svg {
    width: 18px;
    height: 18px;
}

.news-detail-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.news-detail-body h2 {
    font-size: 24px;
    color: var(--text-color);
    margin: 40px 0 20px;
    font-weight: 600;
}

.news-detail-body p {
    font-size: 16px;
    color: var(--text-color);
    line-height: 1.9;
    margin-bottom: 20px;
}

.news-detail-body ul {
    margin: 20px 0;
    padding-left: 24px;
}

.news-detail-body li {
    font-size: 16px;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 12px;
}

.news-detail-footer {
    max-width: 800px;
    margin: 50px auto 0;
    padding: 0 20px;
    border-top: 1px solid var(--gray-200);
    padding-top: 30px;
}

.news-detail-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.news-tag {
    padding: 6px 16px;
    background: var(--gray-100);
    color: var(--text-color);
    font-size: 13px;
    border-radius: 20px;
}

.news-share {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.share-btn:hover {
    transform: translateY(-3px);
}

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

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

.share-btn.qq {
    background: #1296db;
}

.share-btn.copy {
    background: var(--gray-600);
}

/* 上一篇/下一篇导航 */
.news-nav {
    max-width: 800px;
    margin: 50px auto 0;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.news-nav-item {
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.news-nav-item:hover {
    background: var(--gray-100);
}

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

.nav-direction {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.nav-title {
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
}

/* 相关新闻推荐 */
.related-news {
    max-width: 1200px;
    margin: 60px auto 80px;
    padding: 0 20px 40px;
}

.related-news h3 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 30px;
    text-align: center;
}

/* ==================== 动画效果 ==================== */
.animate-in {
    animation: slideUp 0.6s ease forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 涟漪效果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 响应式 - 新闻列表页 */
@media (max-width: 768px) {
    .news-card-horizontal {
        grid-template-columns: 1fr;
    }
    
    .news-card-image {
        height: 200px;
    }
    
    .news-detail-meta {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .news-nav {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .product-detail-content {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-step::after {
        display: none;
    }
    
    .tab-content ul {
        grid-template-columns: 1fr;
    }
}

/* ==================== 咨询表单弹窗 ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 480px;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) transparent;
}

/* 自定义滚动条样式 */
.modal-content::-webkit-scrollbar {
    width: 6px;
}

.modal-content::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 3px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
    transition: background 0.2s;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

.modal-overlay.show .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--gray-200);
}

.modal-close svg {
    width: 18px;
    height: 18px;
    color: var(--gray-600);
}

.modal-header {
    text-align: center;
    margin-bottom: 30px;
}

.modal-header h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.modal-header p {
    font-size: 14px;
    color: var(--text-light);
}

.consult-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group label .required {
    color: #e53935;
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 10px;
    font-size: 15px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.form-group input[readonly] {
    background: var(--gray-50);
    color: var(--text-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-btn {
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(30, 136, 229, 0.4);
}

/* 成功提示 */
.success-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: #4caf50;
    color: white;
    padding: 16px 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3000;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    /*26-5-8新增*/
    opacity: 0; 
    visibility: hidden;
}

.success-toast.show {
    transform: translateX(-50%) translateY(0);
     /*26-5-8新增*/
    opacity: 1; 
    visibility: visible;
}

.success-toast svg {
    width: 24px;
    height: 24px;
}

.success-toast span {
    font-size: 15px;
    font-weight: 500;
}

/* 成功/错误通用浮动提示 */
.success-toast.error {
    background: #e53935;
}
.success-toast.error svg {
    stroke: white;
}
.success-toast.error span {
    color: white;
}