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

:root {
    /* 极简主义配色方案 */
    --color-bg-primary: #fafafa;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f5f5f5;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #4a4a4a;
    --color-text-tertiary: #808080;
    --color-accent: #2c3e50;
    --color-accent-light: #34495e;
    --color-border: #e8e8e8;
    --color-border-light: #f0f0f0;
    --shadow-subtle: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-medium: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-elevated: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-float: 0 8px 32px rgba(0,0,0,0.12);
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

body {
    font-family: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    letter-spacing: 0.01em;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

a {
    text-decoration: none;
    color: var(--color-text-primary);
    transition: color 0.3s var(--transition-smooth);
}

a:hover {
    color: var(--color-accent);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 60px;
}

section {
    position: relative;
}

/* ========== 页头导航样式 ========== */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s var(--transition-smooth);
}

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

.nav-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    transition: transform 0.3s var(--transition-smooth);
}

.logo:hover {
    transform: translateY(-1px);
}

.logo img {
    height: 48px;
    vertical-align: middle;
}

.main-nav {
    display: flex;
}

.main-nav ul {
    display: flex;
    align-items: center;
}

.main-nav li {
    position: relative;
}

.main-nav a {
    padding: 28px 24px;
    display: block;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.03em;
    color: var(--color-text-secondary);
    position: relative;
    transition: all 0.3s var(--transition-smooth);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: all 0.3s var(--transition-smooth);
    transform: translateX(-50%);
}

.main-nav a:hover {
    color: var(--color-accent);
}

.main-nav a:hover::after {
    width: 60%;
}

.main-nav a.active {
    color: var(--color-accent);
}

.main-nav a.active::after {
    width: 60%;
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 12px;
    background: transparent;
    border: none;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    margin: 4px 0;
    transition: all 0.3s var(--transition-smooth);
    border-radius: 1px;
}

.menu-toggle:hover span {
    background: var(--color-accent);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ========== 页面内容区域 ========== */
.page-content {
    margin-top: 80px;
    min-height: calc(100vh - 200px);
}

/* ========== 页脚样式 ========== */
footer {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    padding: 80px 0 40px;
    margin-top: 100px;
    border-top: 1px solid var(--color-border-light);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 28px;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

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

.footer-section a {
    color: var(--color-text-tertiary);
    font-size: 14px;
    transition: all 0.3s var(--transition-smooth);
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--color-border-light);
    color: var(--color-text-tertiary);
    font-size: 14px;
}

.footer-bottom p {
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.footer-bottom a {
    color: var(--color-text-tertiary);
}

/* ========== 首页轮播样式 ========== */
.hero-swiper {
    width: 100%;
    height: 680px;
    margin-top: 0;
    position: relative;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

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

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s var(--transition-smooth);
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-slide a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: #fff;
}

.hero-bimg {
    width: 100%;
    height: 100%;
    position: relative;
    background-color: var(--color-bg-tertiary);
}

.hero-bimg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 10s var(--transition-smooth);
    will-change: transform;
}

.hero-slide.active .hero-bimg img {
    animation: heroZoom 12s var(--transition-smooth);
}

@keyframes heroZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.08);
    }
}

.hero-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.45) 50%, rgba(0,0,0,0.2) 100%);
    z-index: 1;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    z-index: 2;
    max-width: 620px;
    opacity: 0;
    transform: translateY(-30px);
    transition: all 0.8s var(--transition-smooth) 0.15s;
}

.hero-slide.active .hero-content {
    opacity: 1;
    transform: translateY(-50%);
}

.hero-content h3 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #fff;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-content strong {
    font-size: 24px;
    display: block;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.95);
    font-weight: 500;
    letter-spacing: 0.03em;
}

.hero-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
    color: rgba(255,255,255,0.9);
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
    max-height: 86px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    letter-spacing: 0.01em;
}

.hero-content b {
    display: inline-block;
    padding: 14px 36px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    transition: all 0.4s var(--transition-smooth);
    cursor: pointer;
    letter-spacing: 0.05em;
}

.hero-content b:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* 轮播控制按钮 */
.hero-controls {
    position: absolute;
    bottom: 48px;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8%;
    z-index: 3;
}

.hero-btn {
    width: 56px;
    height: 56px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--transition-smooth);
    flex-shrink: 0;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-btn:hover {
    background: rgba(255,255,255,0.25);
    transform: scale(1.08);
    border-color: rgba(255,255,255,0.4);
}

.hero-btn:active {
    transform: scale(0.95);
}

.hero-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.4);
}

.hero-btn svg {
    width: 26px;
    height: 26px;
}

.hero-dots {
    display: flex;
    gap: 10px;
    padding: 0 24px;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.4s var(--transition-smooth);
    border: 2px solid transparent;
}

.hero-dot:hover {
    background: rgba(255,255,255,0.7);
    transform: scale(1.3);
}

.hero-dot.active {
    background: #fff;
    width: 36px;
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.hero-dot:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.5);
}

/* ========== 首页介绍样式 ========== */
.hero-intro {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
}

.hero-intro h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
    color: var(--color-accent);
}

.hero-intro p {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 0;
    max-width: 700px;
    margin: 0 auto;
    letter-spacing: 0.01em;
}

.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 80px;
    color: var(--color-accent);
    letter-spacing: 0.03em;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin: 24px auto 0;
    border-radius: 2px;
}

/* 知识产权预览 */
.ip-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.ip-section h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #0066cc;
}

.ip-list {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.ip-list ul li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

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

/* 快捷入口 */
.quick-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.quick-link-card {
    background: linear-gradient(135deg, #0066cc 0%, #0099ff 100%);
    color: #fff;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.quick-link-card:hover {
    transform: translateY(-5px);
}

.quick-link-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

/* ========== 功能模块页面样式 ========== */
.module-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.module-card {
    background: var(--color-bg-secondary);
    padding: 56px 48px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    transition: all 0.5s var(--transition-smooth);
    border: 1px solid var(--color-border-light);
}

.module-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-float);
}

.module-card h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-accent);
    letter-spacing: 0.03em;
}

.module-card p {
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.8;
    letter-spacing: 0.01em;
}

/* ========== 产品中心页面样式 ========== */
.product-section {
    margin-bottom: 80px;
}

.product-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--color-accent);
    border-left: 4px solid var(--color-accent);
    padding-left: 20px;
    letter-spacing: 0.03em;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--color-bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: all 0.5s var(--transition-smooth);
    border: 1px solid var(--color-border-light);
}

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

.product-image {
    width: 100%;
    height: 220px;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--color-text-tertiary);
    border-bottom: 1px solid var(--color-border-light);
}

.product-info {
    padding: 28px;
}

.product-info h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text-primary);
    letter-spacing: 0.02em;
}

.product-info p {
    color: var(--color-text-tertiary);
    font-size: 15px;
    line-height: 1.7;
    letter-spacing: 0.01em;
}

/* ========== 新闻列表页面样式 ========== */
.news-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    background: var(--color-bg-secondary);
    padding: 32px 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    transition: all 0.4s var(--transition-smooth);
    border: 1px solid var(--color-border-light);
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--color-accent);
}

.news-item h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text-primary);
    letter-spacing: 0.02em;
    line-height: 1.4;
}

.news-item h3 a {
    color: var(--color-text-primary);
    transition: all 0.3s var(--transition-smooth);
}

.news-item h3 a:hover {
    color: var(--color-accent);
}

.news-date {
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
    padding: 6px 0;
    border-bottom: 2px solid var(--color-border-light);
}

.news-summary {
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.8;
    letter-spacing: 0.01em;
}

/* ========== 新闻分页样式 ========== */
.pagination-wrapper {
    max-width: 900px;
    margin: 40px auto 0;
    text-align: center;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    letter-spacing: 0.02em;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--color-bg-tertiary);
}

.pagination-numbers {
    display: flex;
    gap: 8px;
}

.pagination-number {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    letter-spacing: 0.02em;
}

.pagination-number:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.pagination-number.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    font-weight: 600;
}

.pagination-info {
    color: var(--color-text-tertiary);
    font-size: 14px;
    letter-spacing: 0.02em;
}

.pagination-info span {
    color: var(--color-accent);
    font-weight: 600;
    margin: 0 4px;
}

/* ========== 新闻详情页面样式 ========== */
.news-detail {
    background: var(--color-bg-secondary);
    padding: 64px 56px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border-light);
}

.news-detail-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border-light);
}

.news-detail-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
    line-height: 1.4;
}

.news-detail-meta {
    color: var(--color-text-tertiary);
    font-size: 14px;
    letter-spacing: 0.01em;
}

.news-detail-content {
    font-size: 17px;
    line-height: 1.9;
    color: var(--color-text-primary);
}

.news-detail-content p {
    margin-bottom: 24px;
    letter-spacing: 0.01em;
}

.back-btn {
    display: inline-block;
    margin-top: 40px;
    padding: 14px 40px;
    background: var(--color-accent);
    color: #fff;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.4s var(--transition-smooth);
    letter-spacing: 0.03em;
    border: none;
    cursor: pointer;
}

.back-btn:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* ========== 关于我们页面样式 ========== */
.about-section {
    background: var(--color-bg-secondary);
    padding: 56px 48px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    margin-bottom: 40px;
    border: 1px solid var(--color-border-light);
}

.about-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--color-accent);
    letter-spacing: 0.03em;
}

.about-section p {
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
    letter-spacing: 0.01em;
}

.about-section ul {
    list-style: disc;
    padding-left: 24px;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

.about-section ul li {
    margin-bottom: 12px;
    padding-left: 8px;
}

.timeline {
    margin-top: 40px;
}

.timeline-item {
    padding-left: 32px;
    margin-bottom: 32px;
    border-left: 2px solid var(--color-border);
    position: relative;
}

.timeline-item::before {
    content: '';
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border-radius: 50%;
    position: absolute;
    left: -9px;
    top: 6px;
    box-shadow: 0 0 0 4px rgba(44, 62, 80, 0.2);
}

.timeline-year {
    font-weight: 700;
    color: var(--color-accent);
    font-size: 16px;
    letter-spacing: 0.02em;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.advantage-item {
    background: var(--color-bg-tertiary);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--color-border-light);
    transition: all 0.4s var(--transition-smooth);
}

.advantage-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.advantage-item h4 {
    color: var(--color-accent);
    margin-bottom: 12px;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.advantage-item p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* ========== 招贤纳士页面样式 ========== */
.recruitment-banner {
    background: var(--color-accent);
    color: #fff;
    padding: 80px 60px;
    text-align: center;
    border-radius: 20px;
    margin-bottom: 60px;
}

.recruitment-banner h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 0.03em;
}

.recruitment-banner p {
    font-size: 18px;
    opacity: 0.95;
}

.job-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.job-card {
    background: var(--color-bg-secondary);
    padding: 40px 36px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border-light);
    transition: all 0.5s var(--transition-smooth);
}

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

.job-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.job-card h4 {
    font-size: 17px;
    color: var(--color-text-primary);
    font-weight: 600;
    margin: 20px 0 12px;
    letter-spacing: 0.02em;
}

.job-card p, .job-card ul {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.8;
    letter-spacing: 0.01em;
}

.job-card ul li {
    margin-bottom: 8px;
    padding-left: 24px;
    position: relative;
}

.job-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 18px;
    line-height: 1.8;
}

.job-salary {
    background: var(--color-accent);
    color: #fff;
    display: inline-block;
    padding: 10px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    margin-top: 20px;
    letter-spacing: 0.03em;
}

.apply-info {
    background: var(--color-bg-secondary);
    padding: 48px 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    margin-top: 60px;
    border: 1px solid var(--color-border-light);
}

.apply-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 28px;
    letter-spacing: 0.03em;
}

.apply-info p {
    color: var(--color-text-secondary);
    font-size: 16px;
    margin-bottom: 12px;
    line-height: 1.8;
}

.apply-info ul {
    list-style: none;
    margin-bottom: 24px;
}

.apply-info ul li {
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    font-size: 15px;
}

/* ========== 联系我们页面样式 ========== */
.contact-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.contact-info {
    background: var(--color-bg-secondary);
    padding: 48px 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border-light);
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 40px;
    letter-spacing: 0.03em;
}

.contact-item {
    margin-bottom: 32px;
}

.contact-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.contact-item p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 15px;
    letter-spacing: 0.01em;
}

.map-placeholder {
    width: 100%;
    height: 400px;
    border-radius: 16px;
    margin-top: 32px;
    overflow: hidden;
}

.map-placeholder iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.contact-form {
    background: var(--color-bg-secondary);
    padding: 48px 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border-light);
}

.contact-form h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 40px;
    letter-spacing: 0.03em;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--color-text-primary);
    font-size: 15px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: all 0.3s var(--transition-smooth);
    letter-spacing: 0.01em;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(44, 62, 80, 0.1);
    background: var(--color-bg-secondary);
}

.form-group textarea {
    height: 140px;
    resize: vertical;
    line-height: 1.6;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s var(--transition-smooth);
    letter-spacing: 0.03em;
}

.submit-btn:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
}

.submit-btn:active {
    transform: translateY(0);
}

.error-message {
    color: #e74c3c;
    font-size: 13px;
    margin-top: 8px;
    letter-spacing: 0.01em;
}

.success-message {
    background: rgba(76, 175, 80, 0.95);
    color: #fff;
    padding: 18px 24px;
    border-radius: 12px;
    margin-bottom: 28px;
    display: none;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

/* ========== 隐私政策和使用条款页面样式 ========== */
.policy-content {
    background: var(--color-bg-secondary);
    padding: 64px 56px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border-light);
    max-width: 900px;
    margin: 0 auto;
}

.policy-content h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 40px;
    letter-spacing: 0.03em;
    line-height: 1.3;
}

.policy-content h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 48px 0 24px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 16px;
    letter-spacing: 0.02em;
}

.policy-content h2:first-of-type {
    margin-top: 24px;
}

.policy-content p {
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 16px;
    letter-spacing: 0.01em;
}

.policy-content ul {
    list-style: disc;
    padding-left: 32px;
    margin-bottom: 24px;
}

.policy-content ul li {
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 12px;
    font-size: 16px;
    letter-spacing: 0.01em;
}

.policy-content strong {
    color: var(--color-accent);
    font-weight: 600;
}

/* ========== 响应式设计 ========== */

/* 平板端 */
@media (max-width: 1024px) {
    .container {
        padding: 0 40px;
        max-width: 1000px;
    }

    .module-grid,
    .product-grid,
    .job-list,
    .contact-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .hero-swiper {
        height: 560px;
    }

    .hero-content {
        max-width: 500px;
    }

    .hero-content h3 {
        font-size: 42px;
    }

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

    .map-placeholder {
        height: 350px;
    }

    /* 新闻列表平板端保持单列布局 */
    .news-list {
        grid-template-columns: 1fr;
        max-width: 800px;
    }

    .news-item {
        padding: 28px 36px;
    }

    .news-item h3 {
        font-size: 20px;
    }

    .news-summary {
        font-size: 15px;
    }

    /* 分页平板端优化 */
    .pagination-wrapper {
        margin-top: 35px;
    }
}

/* 手机端 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
    }

    .main-nav a {
        padding: 15px 20px;
    }

    /* 轮播图移动端适配 */
    .hero-swiper {
        height: 400px;
    }

    .hero-content {
        left: 5%;
        right: 5%;
        max-width: 90%;
    }

    .hero-content h3 {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .hero-content strong {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .hero-content p {
        font-size: 14px;
        margin-bottom: 20px;
        -webkit-line-clamp: 2;
        max-height: 56px;
    }

    .hero-content b {
        padding: 8px 20px;
        font-size: 14px;
    }

    .hero-btn {
        width: 35px;
        height: 35px;
    }

    .hero-btn svg {
        width: 18px;
        height: 18px;
    }

    .hero-dots {
        gap: 8px;
        padding: 0 10px;
    }

    .hero-dot {
        width: 8px;
        height: 8px;
    }

    .hero-dot.active {
        width: 20px;
    }

    .hero-controls {
        padding: 0 3%;
    }

    /* 首页介绍移动端 */
    .hero-intro h1 {
        font-size: 24px;
    }

    .hero-intro p {
        font-size: 14px;
    }
    
    .ip-preview,
    .module-grid,
    .product-grid,
    .quick-links,
    .news-list,
    .advantage-grid,
    .job-list,
    .contact-container,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .recruitment-banner {
        padding: 30px;
    }
    
    .recruitment-banner h2 {
        font-size: 28px;
    }

    .map-placeholder {
        height: 300px;
    }

    /* 新闻列表移动端优化 */
    .news-list {
        gap: 20px;
    }

    .news-item {
        padding: 24px 28px;
    }

    .news-item h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .news-date {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .news-summary {
        font-size: 15px;
        line-height: 1.7;
    }

    /* 分页移动端优化 */
    .pagination-wrapper {
        margin-top: 30px;
    }

    .pagination {
        gap: 6px;
    }

    .pagination-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .pagination-btn svg {
        width: 14px;
        height: 14px;
    }

    .pagination-numbers {
        gap: 6px;
    }

    .pagination-number {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
    }

    .pagination-info {
        font-size: 13px;
    }
}

/* 超小屏幕 */
@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
    }

    .container {
        padding: 0 15px;
    }

    /* 轮播图超小屏幕适配 */
    .hero-swiper {
        height: 350px;
    }

    .hero-content h3 {
        font-size: 24px;
    }

    .hero-content strong {
        font-size: 18px;
    }

    .hero-content p {
        font-size: 13px;
    }

    .hero-controls {
        bottom: 20px;
    }

    .hero-intro {
        padding: 40px 0;
    }

    .hero-intro h1 {
        font-size: 22px;
    }

    .news-detail-title {
        font-size: 24px;
    }

    .map-placeholder {
        height: 250px;
    }

    /* 新闻列表超小屏幕优化 */
    .news-item {
        padding: 20px 24px;
    }

    .news-item h3 {
        font-size: 17px;
        margin-bottom: 10px;
    }

    .news-date {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .news-summary {
        font-size: 14px;
        line-height: 1.6;
    }

    /* 分页超小屏幕优化 */
    .pagination-wrapper {
        margin-top: 25px;
    }

    .pagination {
        gap: 4px;
        margin-bottom: 15px;
    }

    .pagination-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .pagination-btn svg {
        width: 12px;
        height: 12px;
    }

    .pagination-numbers {
        gap: 4px;
    }

    .pagination-number {
        min-width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .pagination-info {
        font-size: 12px;
    }
}

/* ========== 功能模块页面新增样式 ========== */

/* 页面标题区 */
.section-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 60px;
    text-align: center;
    margin-bottom: 60px;
}

.section-hero .section-title {
    font-size: 42px;
    color: #fff;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 0.03em;
}

/* 优势网格样式 */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 40px 0;
}

.advantage-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.4s var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.advantage-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all 0.4s var(--transition-smooth);
}

.advantage-item:hover .advantage-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.advantage-item h3 {
    font-size: 22px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.advantage-item p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    line-height: 1.7;
    letter-spacing: 0.01em;
}

/* 增强版模块卡片 */
.module-card.enhanced {
    position: relative;
    overflow: hidden;
}

.module-card.enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    opacity: 0;
    transition: opacity 0.4s var(--transition-smooth);
}

.module-card.enhanced:hover::before {
    opacity: 1;
}

.module-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 24px;
    transition: all 0.4s var(--transition-smooth);
}

.module-card.enhanced:hover .module-icon {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.module-features {
    list-style: none;
    margin: 24px 0;
    padding: 0;
}

.module-features li {
    padding: 10px 0;
    padding-left: 32px;
    position: relative;
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.7;
    border-bottom: 1px solid var(--color-border-light);
}

.module-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: 700;
    font-size: 16px;
}

.module-link {
    display: inline-block;
    margin-top: 20px;
    color: #667eea;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s var(--transition-smooth);
    letter-spacing: 0.02em;
}

.module-link:hover {
    color: #764ba2;
    transform: translateX(8px);
}

/* CTA区域 */
.cta-section {
    text-align: center;
    padding: 80px 60px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 20px;
    margin: 60px 0;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.cta-section p {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    letter-spacing: 0.01em;
}

.cta-button {
    display: inline-block;
    padding: 16px 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.4s var(--transition-smooth);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
    letter-spacing: 0.03em;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.6);
}

    .cta-button:active {
        transform: translateY(-2px);
    }

/* ========== 各页面轮播主题优化 ========== */

/* 产品中心页面 - 突出产品特色 */
.products-theme .carousel-content h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 行业新闻页面 - 新闻标题样式 */
.news-theme .carousel-content h3 {
    font-size: 36px;
    line-height: 1.3;
}

.news-theme .carousel-content strong {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 关于我们页面 - 历程时间线风格 */
.about-theme .carousel-content h3 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 招贤纳士页面 - 团队氛围 */
.careers-theme .carousel-content h3 {
    color: #f5af19;
}

.careers-theme .carousel-content strong {
    color: #f12711;
}

/* 联系我们页面 - 服务理念 */
.contact-theme .carousel-content h3 {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 功能模块页面响应式设计 */
@media (max-width: 1024px) {
    .section-hero {
        padding: 60px 40px;
    }

    .section-hero .section-title {
        font-size: 36px;
    }

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

    .cta-section {
        padding: 60px 40px;
    }

    .cta-section h2 {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .section-hero {
        padding: 40px 20px;
    }

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

    .section-subtitle {
        font-size: 16px;
    }

    .advantage-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantage-item {
        padding: 32px 24px;
    }

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

    .cta-section {
        padding: 40px 20px;
    }

    .cta-section h2 {
        font-size: 26px;
    }

    .cta-section p {
        font-size: 16px;
    }

    .cta-button {
        padding: 14px 40px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .section-hero {
        padding: 32px 15px;
    }

    .section-hero .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 15px;
    }

    .advantage-icon {
        width: 64px;
        height: 64px;
    }

    .advantage-item h3 {
        font-size: 20px;
    }

    .module-icon {
        width: 60px;
        height: 60px;
    }

    .cta-section {
        padding: 32px 15px;
        margin: 40px 0;
    }

    .cta-section h2 {
        font-size: 22px;
    }

    .cta-button {
        padding: 12px 32px;
        font-size: 14px;
    }
}