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

:root {
    --primary-color: #e64a19;
    --primary-light: #ff7043;
    --primary-dark: #bf360c;
    --text-dark: #333333;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #f5f5f5;
    --border-color: #e5e5e5;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s ease;
    --max-width: 1300px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 图片占位符 */
.img-placeholder {
    /* background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%); */
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.img-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 5s infinite;
}

@keyframes shimmer {
    100% {
        left: 100%;
    }
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-icon {
    width: 230px;
    /*height: 40px;*/
    /*background: linear-gradient(135deg, var(--primary-color), var(--primary-light));*/
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 15px;
    font-size: 16px;
    font-weight:bold;
    color: var(--text-gray);
    position: relative;
    transition: var(--transition);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-item.active .nav-link::after {
    width: 60%;
}

/* 下拉菜单 - 全屏 Mega Menu */
.dropdown-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 999;
    padding: 40px 0;
}

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

.dropdown-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Mega Menu 4列布局 */
.mega-menu {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.mega-menu-col {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.mega-menu-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    margin-bottom: 10px;
}

.mega-menu-title.active {
    color: var(--primary-color);
}

.mega-menu-item {
    display: block;
}

.mega-menu-item-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
    transition: var(--transition);
}

.mega-menu-item:hover .mega-menu-item-title {
    color: var(--primary-color);
}

.mega-menu-item-desc {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.mega-menu-item-desc span {
    transition: var(--transition);
}

.mega-menu-item:hover .mega-menu-item-desc span {
    color: var(--text-gray);
}

/* 普通单列下拉菜单 */
.simple-dropdown {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
}

.simple-dropdown-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-width: 200px;
}

.dropdown-item {
    display: block;
    padding: 14px 20px;
    font-size: 15px;
    color: var(--text-gray);
    transition: var(--transition);
    text-align: center;
}

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


/* 投诉电话 */
.complaint-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-gray);
    white-space: nowrap;
    margin-left: 20px;
}

.complaint-phone-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.complaint-phone-icon svg {
    width: 14px;
    height: 14px;
}

.complaint-phone-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.complaint-phone-number {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 14px;
}

.complaint-phone-time {
    font-size: 11px;
    color: var(--text-light);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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

/* ===== 右侧悬浮按钮 ===== */
.floating-buttons {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.float-btn {
    width: 60px;
    height: 70px;
    background: var(--primary-color);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 12px;
    border: none;
}

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

.float-btn svg {
    width: 24px;
    height: 24px;
}

.back-to-top {
    background: #999;
    display: none;
}

.back-to-top.visible {
    display: flex;
}

.back-to-top:hover {
    background: #666;
}

/* ===== Hero 区域 ===== */
.hero {
    margin-top: 80px;
    position: relative;
    height: 700px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

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

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

.hero-slide.active {
    opacity: 1;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hero-title .highlight {
    color: #401600;
}

.hero-subtitle {
    font-size: 20px;
    color: #000;
    margin-bottom: 40px;
    max-width: 410px;
}

.hero-btn {
    display: inline-block;
    padding: 14px 40px;
    background: var(--primary-color);
    color: white;
    font-size: 16px;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
}

.hero-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 轮播指示器 */
.hero-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 3;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.hero-dot.active {
    background: var(--primary-color);
    width: 32px;
    border-radius: 6px;
}

/* ===== 通用版块标题 ===== */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 32px;
    background: var(--primary-color);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-gray);
}

/* ===== Banner底部数据栏 ===== */
.banner-stats {
    background: #1a1a1a;
    padding: 40px 0;
}

.banner-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.banner-stat-item {
    transition: var(--transition);
}

.banner-stat-item:hover {
    transform: translateY(-3px);
}

.banner-stat-label {
    font-size: 15px;
    color: #999;
    margin-bottom: 12px;
}

.banner-stat-number {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.banner-stat-unit {
    font-size: 28px;
    color: var(--primary-color);
    font-weight: 600;
}

/* ===== 数据统计版块 ===== */
.stats-section {
    background: #fff;
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 30px 20px;
    transition: var(--transition);
    border-radius: 8px;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.stat-number .unit {
    font-size: 24px;
    color: var(--primary-color);
}

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

.stat-index {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 10px;
}

/* ===== 资讯卡片 ===== */
.news-section {
    background: var(--bg-light);
}

.news-waterfall {
    column-count: 3;
    column-gap: 30px;
}

.news-card {
    background: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    margin-bottom: 30px;
    break-inside: avoid;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.news-card-img {
    width: 100%;
    overflow: hidden;
}

.news-card-img .img-placeholder {
    width: 100%;
    height: 100%;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-card:hover .news-card-img .img-placeholder {
    transform: scale(1.08);
}

.news-card-content {
    padding: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-card:hover .news-card-content {
    padding: 28px 24px 32px;
}

.news-card-date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 20px;
    position: relative;
    font-weight: 400;
}

.news-card-date::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 24px;
    height: 3px;
    background: var(--primary-color);
    transition: width 0.4s ease;
}

.news-card:hover .news-card-date::after {
    width: 40px;
}

.news-card-title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: all 0.4s ease;
}

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

.news-card-category {
    font-size: 13px;
    color: var(--text-light);
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-card:hover .news-card-category {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 终身学习平台矩阵 ===== */
.platform-matrix-section {
    background: var(--bg-light);
}

.platform-tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    justify-content: flex-start;
}

.platform-tab {
    position: relative;
    padding: 24px 32px;
    background: var(--bg-white);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    min-width: 200px;
}

.platform-tab:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.platform-tab.active {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(230, 74, 25, 0.15);
}

.platform-tab.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 0 0 4px 4px;
}

.platform-tab.active::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--primary-color);
}

.platform-tab-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.platform-tab-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
}

.platform-tab.active .platform-tab-name {
    color: var(--primary-color);
}

.platform-tab-number {
    position: absolute;
    right: 16px;
    bottom: 8px;
    font-size: 48px;
    font-weight: 700;
    color: rgba(230, 74, 25, 0.08);
    line-height: 1;
}

.platform-tab.active .platform-tab-number {
    color: rgba(230, 74, 25, 0.15);
}

.platform-content-container {
    position: relative;
    min-height: 400px;
}

.platform-content {
    display: none;
    position: relative;
    background: var(--bg-white);
    border-radius: 24px;
    padding: 60px;
    border: 2px solid transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.platform-content.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.platform-content:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(230, 74, 25, 0.12);
    transform: translateY(-4px);
}

.platform-content-inner {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.platform-content-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.platform-content-index {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-light);
}

.platform-content-divider {
    width: 32px;
    height: 2px;
    background: var(--border-color);
}

.platform-content-label {
    font-size: 16px;
    font-weight: 500;
    color: var(--primary-color);
}

.platform-content-title {
    font-size: 52px;
    font-weight: 700;
    color: #043491;
    margin-bottom: 24px;
    line-height: 1.2;
    display: flex;
    align-items: baseline;
    gap: 20px;
}

.platform-content-subtitle {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 2px;
}

.platform-content-desc {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.platform-content-more {
    display: inline-block;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    border-bottom: 2px solid var(--text-dark);
    padding-bottom: 4px;
    transition: all 0.3s ease;
}

.platform-content-more:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.platform-watermark {
    position: absolute;
    right: 60px;
    bottom: 40px;
    text-align: right;
    z-index: 1;
    pointer-events: none;
}

.watermark-number {
    display: block;
    font-size: 200px;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.03);
    line-height: 1;
}

.watermark-logo {
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.04);
    margin-top: -20px;
}

/* ===== 技术底座 + 内容研发体系 ===== */
.tech-foundation-section {
    background: var(--bg-white);
}

.tech-foundation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.tech-left {
    max-width: 520px;
}

.tech-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 40px;
    position: relative;
    padding-left: 20px;
}

.tech-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 6px;
    background: var(--primary-color);
    border-radius: 3px;
}

.tech-subtitle {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.5;
    margin-bottom: 24px;
}

.tech-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 50px;
}

.tech-timeline {
    position: relative;
    padding-left: 32px;
}

.tech-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 24px;
    bottom: 24px;
    width: 2px;
    background: var(--border-color);
}

.tech-item {
    position: relative;
    padding: 20px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.tech-item-number {
    position: absolute;
    left: -32px;
    top: 20px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-gray);
    transition: all 0.3s ease;
    z-index: 2;
}

.tech-item.active .tech-item-number {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(230, 74, 25, 0.3);
}

.tech-item-content {
    flex: 1;
    transition: all 0.3s ease;
}

.tech-item-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.tech-item.active .tech-item-title {
    color: var(--primary-color);
}

.tech-item:hover .tech-item-title {
    color: var(--primary-color);
}

.tech-item-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.tech-item.active .tech-item-desc {
    color: var(--text-gray);
}

.tech-item-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 4px;
    opacity: 0;
    transform: translateX(-10px);
}

.tech-item:hover .tech-item-arrow,
.tech-item.active .tech-item-arrow {
    opacity: 1;
    transform: translateX(0);
}

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

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

.tech-item-arrow svg {
    width: 18px;
    height: 18px;
}

/* 右侧图片 */
.tech-right {
    position: relative;
}

.tech-image-container {
    position: relative;
    width: 100%;
    padding-top: 75%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.tech-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(1.05);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-image.active {
    opacity: 1;
    transform: scale(1);
}

.tech-image .img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-gray);
}

/* ===== 荣誉资质 ===== */
.honors-section {
    background: #fff;
    overflow: hidden;
}

.honors-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.honors-left {
    max-width: 420px;
}

.honors-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 40px;
    position: relative;
    padding-left: 20px;
}

.honors-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 6px;
    background: var(--primary-color);
    border-radius: 3px;
}

.honors-subtitle {
    font-size: 26px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.5;
    margin-bottom: 24px;
}

.honors-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 50px;
}

.honors-stats {
    display: flex;
    gap: 60px;
}

.honor-stat-item {
    text-align: left;
}

.honor-stat-number {
    font-size: 64px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
    margin-bottom: 12px;
}

.honor-stat-unit {
    font-size: 32px;
    color: var(--primary-color);
    font-weight: 600;
}

.honor-stat-label {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.5;
}

/* 右侧证书滚动 */
.honors-right {
    position: relative;
    margin-right: -100px;
}

.honors-scroll {
    overflow: hidden;
    position: relative;
}

.honors-scroll::before,
.honors-scroll::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}

.honors-scroll::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-light), transparent);
}

.honors-scroll::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-light), transparent);
}

.honors-track {
    display: flex;
    gap: 30px;
    animation: scrollHonors 30s linear infinite;
    width: max-content;
}

.honors-scroll:hover .honors-track {
    animation-play-state: paused;
}

@keyframes scrollHonors {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 15px));
    }
}

.honor-card {
    flex-shrink: 0;
    width: 240px;
    position: relative;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.honor-card:hover {
    transform: scale(1.08) translateY(-8px);
    z-index: 3;
}

.honor-card-img {
    width: 100%;
    height: 180px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.honor-card:hover .honor-card-img {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.honor-card-img .img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-gray);
}

.honor-card-title {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(230, 74, 25, 0.3);
}


.footer-logo-text img{
    height: 80px;



}
.honor-card:hover .honor-card-title {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    bottom: 5px;
}

/* ===== 通栏广告大图 ===== */
.banner-full-section {
    padding: 0;
    background: var(--bg-light);
}

.banner-full {
    width: 100%;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.banner-full .img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.banner-full-content {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
}

.banner-full-title {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.banner-full-divider {
    width: 60px;
    height: 2px;
    background: rgba(255, 255, 255, 0.6);
    margin: 0 auto 24px;
}

.banner-full-subtitle {
    font-size: 22px;
    font-weight: 400;
    opacity: 0.9;
    letter-spacing: 1px;
}

/* ===== 关于页面 ===== */
.page-banner {
    margin-top: 80px;
    height: 400px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 30px 30px;
}

.page-banner-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.page-banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-banner-subtitle {
    font-size: 20px;
    color: var(--text-gray);
}

.about-intro {
    padding: 80px 0;
    background: var(--bg-white);
}

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

.about-intro-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.3;
}

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

.about-intro-image {
    height: 770px;
    border-radius: 12px;
    overflow: hidden;
}

.about-intro-image .img-placeholder {
    width: 100%;
    height: 100%;
}

/* 价值观卡片 */
.values-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.value-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.value-number {
    font-size: 48px;
    font-weight: 700;
    color: #e9eaeb;
    margin-bottom: 16px;
    transition: var(--transition);
}

.value-card:hover .value-number {
    color: var(--primary-light);
}

.value-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
}

.value-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===== 业务领域 ===== */
.business-section {
    background: var(--bg-light);
}

.business-structure {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.business-center {
    margin-bottom: 60px;
    position: relative;
}

.business-center-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 4px;
}

.business-branches {
    position: relative;
    margin-bottom: 50px;
}

.business-branch-line {
    position: absolute;
    top: 0;
    left: 50px;
    right: 50px;
    height: 2px;
    background: var(--border-color);
}

.business-tabs {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 0 20px;
}

.business-tab {
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 1px;
}

/* .business-tab::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 30px;
    background: var(--border-color);
    transition: all 0.3s ease;
} */

.business-tab.active::before {
    background: var(--primary-color);
}

.business-tab-title {
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 20px 30px;
    font-size: 22px;
    font-weight: 600;
    color: var(--text-gray);
    transition: all 0.3s ease;
    min-width: 180px;
    text-align: center;
}

.business-tab:hover .business-tab-title {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-4px);
}

.business-tab.active .business-tab-title {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: white;
    box-shadow: 0 10px 30px rgba(230, 74, 25, 0.15);
    transform: translateY(-4px);
}

.business-content-container {
    background: white;
    border-radius: 16px;
    padding: 40px 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    min-height: 120px;
}

.business-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.business-content.active {
    display: block;
}

.business-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-gray);
    margin: 0;
    text-align: left;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 发展历程 ===== */
.history-section {
    background: var(--bg-light);
}

.history-timeline {
    max-width: 1000px;
    margin: 0 auto;
}

.history-year-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    margin-bottom: 60px;
    position: relative;
}

.history-year-item:last-child {
    margin-bottom: 0;
}

/* 年份列 */
.history-year-col {
    position: relative;
}

.history-year {
    position: sticky;
    top: 100px;
    text-align: right;
    padding-right: 30px;
}

.year-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    z-index: 2;
}

.year-bg {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    font-size: 120px;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.03);
    z-index: 1;
    line-height: 1;
}

/* 事件列 */
.history-events-col {
    position: relative;
    padding-left: 20px;
}

.history-events {
    position: relative;
}

.history-events::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: var(--border-color);
}

.history-event {
    position: relative;
    padding-left: 30px;
    padding-bottom: 30px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.history-event:last-child {
    padding-bottom: 0;
}

.event-dot {
    position: absolute;
    left: -5px;
    top: 8px;
    width: 12px;
    height: 12px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 2;
}

.event-month {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.event-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    transition: all 0.3s ease;
}

/* 悬停效果 */
.history-event:hover {
    transform: translateX(1px);
}

.history-event:hover .event-dot {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(230, 74, 25, 0.15);
}

.history-event:hover .event-desc {
    color: var(--text-dark);
}

/* 自下而上滑动动画 */
.slide-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 十方团队 ===== */
.team-section {
    background: var(--bg-white);
}

.team-grid {
    /* display: grid; */
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.team-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 50px 40px 40px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.team-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    border-color: transparent;
}

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

.team-avatar {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.team-avatar .img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    transition: all 0.4s ease;
}

.team-card:hover .team-avatar .img-placeholder {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(230, 74, 25, 0.2);
}

.team-name {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.team-card:hover .team-name {
    color: var(--primary-color);
}

.team-position {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 24px;
    font-weight: 500;
}

.team-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    text-align: left;
    margin: 0;
}

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

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.faq-item:first-child {
    border-top: 1px solid var(--border-color);
}

.faq-question {
    display: flex;
    align-items: center;
    padding: 24px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 20px;
}

.faq-number {
    font-size: 18px;
    font-weight: 600;
    color: #ccc;
    min-width: 30px;
    transition: color 0.3s ease;
}

.faq-title {
    flex: 1;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.faq-icon {
    font-size: 24px;
    color: var(--text-gray);
    transition: all 0.3s ease;
    font-weight: 300;
    min-width: 30px;
    text-align: center;
}

.faq-item:hover .faq-title {
    color: var(--primary-color);
}

.faq-item:hover .faq-number {
    color: var(--primary-color);
}

/* 激活状态 */
.faq-item.active .faq-number {
    color: var(--primary-color);
}

.faq-item.active .faq-title {
    color: var(--primary-color);
}

.faq-item.active .faq-icon {
    color: var(--primary-color);
    transform: rotate(45deg);
}

/* 答案区域 */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 24px;
}

.faq-answer p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
    padding-left: 50px;
}

/* ===== 办公地点 ===== */
.location-section {
    background: var(--bg-white);
}

.location-map {
    max-width: 1200px;
    margin: 0 auto;
}

.map-container {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.map-container .img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
}

/* 地址信息卡片 */
.location-card {
    position: absolute;
    left: 40px;
    bottom: 40px;
    background: white;
    border-radius: 16px;
    padding: 24px 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.location-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

.location-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.location-icon svg {
    width: 24px;
    height: 24px;
}

.location-info {
    flex: 1;
}

.location-city {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.location-address {
    font-size: 15px;
    color: var(--text-gray);
    margin: 0;
    line-height: 1.6;
}


/* ===== 联系我们页面 ===== */
.contact-info-section {
    background: var(--bg-white);
    padding: 80px 0;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(230, 74, 25, 0.12);
    border-color: var(--primary-color);
}

.contact-info-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

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

.contact-info-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 12px;
}

.contact-info-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.contact-info-desc {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* 办公地址 */
.contact-address-section {
    background: var(--bg-light);
    padding: 80px 0;
}

.address-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 50px;
}

.address-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 28px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.address-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.address-tag {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.address-city {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.address-detail {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0;
}

/* ===== 办公地点 ===== */
.location-section {
    background: var(--bg-white);
}

.location-map {
    max-width: 1200px;
    margin: 0 auto;
}

.map-container {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.map-container .img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
}

/* 地址信息卡片 */
.location-card {
    position: absolute;
    left: 40px;
    bottom: 40px;
    background: white;
    border-radius: 16px;
    padding: 24px 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.location-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

.location-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.location-icon svg {
    width: 24px;
    height: 24px;
}

.location-info {
    flex: 1;
}

.location-city {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.location-address {
    font-size: 15px;
    color: var(--text-gray);
    margin: 0;
    line-height: 1.6;
}

/* ===== 产品页面 ===== */
.products-tabs {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.tabs-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 0;
}

.tab-item {
    padding: 20px 30px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-gray);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.tab-item:hover,
.tab-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.product-content {
    padding: 60px 0;
}

/* 新版产品布局 - 左右两栏 */
.product-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
    padding: 40px 0;
}

.product-left {
    position: sticky;
    top: 120px;
}

.product-layout-title {
    font-size: 32px;
    font-weight: 700;
    color:#e64a19;
    margin-bottom: 24px;
    line-height: 1.3;
}

.product-layout-desc {
    font-size: 17px;
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
}

.product-right {
    width: 100%;
}

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

.product-icon-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 36px 24px 28px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.product-icon-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(230, 74, 25, 0.15);
    border-color: var(--primary-color);
}

.icon-wrapper {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.icon-wrapper svg {
    width: 48px;
    height: 48px;
    stroke-width: 1.5;
}

.product-icon-card:hover .icon-wrapper {
    color: var(--primary-color);
}

.icon-divider {
    width: 40px;
    height: 2px;
    background: var(--border-color);
    margin: 0 auto 16px;
    transition: all 0.3s ease;
}

.product-icon-card:hover .icon-divider {
    background: var(--primary-color);
    width: 60px;
}

.icon-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.product-icon-card:hover .icon-title {
    color: var(--primary-color);
}

.product-section {
    display: none;
}

.product-section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    transition: var(--transition);
}

.product-card:hover .product-icon {
    transform: scale(1.1) rotate(5deg);
}

.product-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

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

/* 产品详情页 */
.product-detail-hero {
    padding: 100px 0 60px;
    text-align: center;
    background: var(--bg-light);
    position: relative;
}

.product-detail-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

.product-detail-hero-content {
    position: relative;
    z-index: 2;
}

.product-detail-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.product-detail-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.product-detail-desc {
    font-size: 16px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.product-stats {
    padding: 60px 0;
    background: var(--bg-white);
}

.product-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.product-stat-item {
    padding: 30px;
    transition: var(--transition);
}

.product-stat-item:hover {
    transform: scale(1.05);
}

.product-stat-number {
    font-size: 56px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.product-stat-number .unit {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 500;
}

.product-stat-label {
    font-size: 15px;
    color: var(--text-gray);
}

/* ===== 新闻列表页 ===== */
.news-list-section {
    padding: 60px 0;
    background: var(--bg-white);
}

.news-tabs {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.news-tab {
    padding: 16px 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-gray);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

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

.news-tab::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

.news-tab:hover::after,
.news-tab.active::after {
    width: 100%;
}

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

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 60px;
}

.page-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    color: var(--text-gray);
}

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

/* ===== 文章详情页 ===== */
.article-section {
    padding: 90px 0;
    background: var(--bg-white);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 40px;
}

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

.breadcrumb .separator {
    color: var(--text-light);
}

.article-container {
    max-width: 1070px;
    margin: 0 auto;
}

.article-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 20px;
}

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

.article-content {
    font-size: 16px;
    line-height: 2;
    color: var(--text-dark);
}

.article-content p {
    margin-bottom: 24px;
    text-indent: 2em;
}

.article-content img {
    max-width: 100%;
    height: auto;
    margin: 30px auto;
    border-radius: 8px;
}

.article-content .img-placeholder {
    width: 100%;
    height: 400px;
    margin: 30px 0;
    border-radius: 8px;
}

.article-content .image-caption {
    text-align: center;
    font-size: 14px;
    color: var(--text-gray);
    margin-top: -20px;
    margin-bottom: 30px;
    text-indent: 0;
}

.article-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 40px 0 20px;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 30px 0 16px;
}

/* ===== 页脚 ===== */
.footer {
    background: #f5f5f5;
    color: var(--text-gray);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1.5fr;
    gap: 60px;
}

.footer-col h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 16px;
    font-size: 15px;
    color: var(--text-gray);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.6;
}

.footer-col ul li a {
    color: var(--text-gray);
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.footer-icon {
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* 品牌列 */
.footer-brand-col {
    text-align: right;
}

.footer-brand-col .footer-brand {
    margin-bottom: 30px;
}

.footer-brand-col .footer-logo {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.footer-logo-icon {
    color: var(--primary-color);
    font-size: 32px;
}

.footer-slogan {
    font-size: 16px;
    color: var(--text-gray);
}

/* 社交图标 */
.footer-social {
    display: flex;
    gap: 20px;
    justify-content: flex-end;
}

.social-item {
    position: relative;
    cursor: pointer;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s ease;
}

.social-item:hover .social-icon {
    background: var(--primary-color);
    transform: translateY(-4px);
}

/* 二维码弹窗 */
.social-qrcode {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: white;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    text-align: center;
}

.social-item:hover .social-qrcode {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.social-qrcode::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid white;
}

.qrcode-img {
    margin-bottom: 10px;
    border-radius: 4px;
    overflow: hidden;
}

.social-qrcode p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 0;
}

/* 底部版权栏 */
.footer-bottom {
    background: #888;
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* ===== 动画 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 延迟动画 */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }



.pagination {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0;
    font-size: 14px;
}

.pagination a {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    text-decoration: none;
    transition: 0.2s;
    margin: 0 1px;
}
/* 鼠标悬停 */
.pagination a:hover {
    background-color: #E64A19;
    color: #fff;
    border-color: #E64A19;
}
/* 当前激活页码 */
.page-num-current {
    background-color: #E64A19;
    color: #ffffff !important;
    border-color: #E64A19 !important;
}

.page-status {
    color: #666;
    margin-right: 10px;
}

/* 手机端适配 768px以下 */
@media(max-width:768px){
    .pagination {
        justify-content: center;
        gap: 6px;
        font-size: 13px;
    }
    .pagination a {
        padding: 5px 9px;
    }
    .page-status {
        width: 100%;
        text-align: center;
        margin-right: 0;
        margin-bottom:8px;
    }
}