/* ==================== 基础样式重置 ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 背景色 - 白色主题 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    
    /* 强调色 - 蓝紫渐变 */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    
    /* 文字颜色 */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    /* 边框 */
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    
    /* 间距 */
    --container-width: 1200px;
    --section-padding: 100px;
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 8px;
    color: white;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-fast);
}

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

.nav-cta {
    padding: 10px 24px;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

/* ==================== 按钮样式 ==================== */
.btn {
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.btn-full {
    width: 100%;
}

/* ==================== Hero 区域 ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 72px;
    overflow: hidden;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 10s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    top: -150px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #a855f7, #6366f1);
    bottom: -50px;
    left: -50px;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -20px) scale(1.05); }
    50% { transform: translate(-10px, 10px) scale(0.95); }
    75% { transform: translate(10px, 5px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 80px;
}

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

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

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

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==================== 服务区域 ==================== */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent-primary);
}

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

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.service-link:hover {
    color: var(--accent-secondary);
}

/* ==================== 优势区域 ==================== */
.advantages {
    background: var(--bg-primary);
    padding: 80px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.advantage-item {
    text-align: center;
    padding: 24px;
}

.advantage-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--accent-primary);
    transition: var(--transition-normal);
}

.advantage-icon svg {
    width: 32px;
    height: 32px;
}

.advantage-item:hover .advantage-icon {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.advantage-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.advantage-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==================== 案例区域 ==================== */
.cases {
    background: var(--bg-secondary);
}

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

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    display: block;
}

.case-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-placeholder {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.case-content {
    padding: 24px;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 12px;
}

.case-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.case-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==================== 关于我们 ==================== */
.about {
    background: var(--bg-primary);
}

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

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

.about-features {
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.feature-check {
    width: 24px;
    height: 24px;
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.about-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.visual-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.visual-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.visual-card:first-child {
    grid-column: span 2;
}

.visual-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.visual-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visual-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* ==================== 联系我们 ==================== */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
}

.contact-desc {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.contact-value {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-value:hover {
    color: var(--accent-primary);
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-desc {
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-contact p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ==================== 面包屑导航 ==================== */
.breadcrumb-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-item:not(:last-child)::after {
    content: '›';
    color: var(--text-muted);
    margin-left: 8px;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.breadcrumb-item.active {
    color: var(--text-muted);
}

/* ==================== 页面标题区域 ==================== */
.page-header {
    padding: 180px 0 60px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.page-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== FAQ ==================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== 时间线 ==================== */
.timeline {
    position: relative;
    padding-left: 40px;
}

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

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -44px;
    top: 0;
    width: 10px;
    height: 10px;
    background: var(--accent-primary);
    border-radius: 50%;
    border: 4px solid var(--bg-primary);
}

.timeline-year {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==================== 首页新闻模块样式 ==================== */
.home-news-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
}

.home-news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.home-news-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.home-news-image {
    position: relative;
    height: 340px;
    overflow: hidden;
}

.home-news-image img,
.news-image img,
.case-image img,
.related-cases .related-image img,
.more-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.home-news-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.home-news-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.9);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
}

.home-news-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.home-news-content h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: auto;
    line-height: 1.4;
}

.home-news-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.home-news-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.home-news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.home-news-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.home-news-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.home-news-tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 10px;
}

.home-news-item h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

/* ==================== 新闻模块样式 ==================== */
.news-section {
    background: var(--bg-secondary);
    padding: 60px 0;
}

.news-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
}

.news-filter {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.news-filter .filter-btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

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

.news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.news-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.news-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.news-image {
    position: relative;
    height: 100%;
    min-height: 200px;
}

.news-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
}

.news-category {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

.news-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

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

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

.news-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
    flex-grow: 1;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.news-more {
    margin-left: auto;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.news-more:hover {
    color: var(--accent-secondary);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.search-box {
    display: flex;
    gap: 8px;
}

.search-box input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.search-btn {
    padding: 10px 14px;
    background: var(--accent-primary);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-btn:hover {
    background: var(--accent-secondary);
}

.hot-news-list {
    list-style: none;
}

.hot-news-list li {
    margin-bottom: 12px;
}

.hot-news-list a {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.hot-news-list a:hover {
    color: var(--accent-primary);
}

.hot-num {
    width: 24px;
    height: 24px;
    background: var(--accent-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.hot-news-list li:nth-child(1) .hot-num,
.hot-news-list li:nth-child(2) .hot-num,
.hot-news-list li:nth-child(3) .hot-num {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.tag:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* ==================== 新闻详情页样式 ==================== */
.news-detail-header {
    padding: 140px 0 60px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.news-detail-category {
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    border-radius: 20px;
    font-weight: 600;
}

.news-detail-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto 16px;
    line-height: 1.3;
}

.news-detail-excerpt {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.news-detail-content {
    padding: 60px 0;
    background: var(--bg-primary);
}

.news-detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 60px;
}

.news-detail-body {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.news-detail-body h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.news-share {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 32px 0;
    margin: 40px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.share-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.share-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.news-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.nav-prev,
.nav-next {
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-prev:hover,
.nav-next:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

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

.nav-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.nav-title {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

/* ==================== 案例详情页样式 ==================== */
.case-detail-header {
    padding: 140px 0 60px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.case-detail-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.case-type {
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.case-detail-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto 16px;
    line-height: 1.3;
}

.case-detail-excerpt {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.case-detail-content {
    padding: 60px 0;
    background: var(--bg-primary);
}

.case-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.overview-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.overview-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.overview-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.case-gallery {
    margin-bottom: 60px;
}

.case-main-image {
    width: 100%;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 16px;
}

.case-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.case-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.case-thumb {
    height: 100px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.case-thumb:hover,
.case-thumb.active {
    border-color: var(--accent-primary);
}

.case-thumb-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.case-body {
    max-width: 800px;
    margin: 0 auto 60px;
}

.case-body h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 48px 0 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.case-body p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.case-body ul {
    margin-bottom: 24px;
    padding-left: 24px;
}

.case-body li {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.case-body li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.result-item {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
}

.result-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.result-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.case-testimonial {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 48px;
    margin-bottom: 48px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.testimonial-icon {
    font-size: 4rem;
    color: var(--accent-primary);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 16px;
}

.case-testimonial blockquote {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: 32px;
    padding: 0;
    border: none;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-author .author-avatar {
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
}

.testimonial-author .author-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.testimonial-author .author-title {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.related-cases {
    margin-top: 60px;
}

.related-cases .related-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 32px;
}

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

.related-cases .related-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.related-cases .related-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.related-cases .related-image {
    height: 180px;
}

.related-cases .related-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
}

.related-cases .related-tag {
    display: inline-block;
    margin: 16px 20px 0;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

.related-cases .related-card-title {
    padding: 12px 20px 8px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.related-cases .related-desc {
    padding: 0 20px 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== 分页样式 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
}

.pagination a:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pagination .current,
.pagination span.current {
    background: var(--accent-gradient);
    border-color: var(--accent-primary);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.pagination .prev,
.pagination .next,
.pagination a[href*='prev'],
.pagination a[href*='next'] {
    padding: 0 20px;
    font-weight: 500;
}

.pagination .disabled,
.pagination span.disabled {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-muted);
    cursor: not-allowed;
}

.pagination .ellipsis,
.pagination span.ellipsis {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: default;
    min-width: auto;
    padding: 0 8px;
}

.pagination .ellipsis:hover,
.pagination span.ellipsis:hover {
    background: transparent;
    border: none;
    color: var(--text-muted);
    transform: none;
    box-shadow: none;
}

/* ==================== 文章详情页新布局 ==================== */
.article-hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 100px 0 60px;
    border-bottom: 1px solid var(--border-color);
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    font-size: 0.9rem;
}

.article-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

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

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

.article-header {
    max-width: 800px;
}

.article-category-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-gradient);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 16px;
}

.article-summary {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.article-meta-bar {
    display: flex;
    align-items: center;
    gap: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.meta-icon {
    font-size: 1.1rem;
}

.article-content-section {
    padding: 60px 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 60px;
}

.article-main {
    min-width: 0;
}

.article-featured-image {
    width: 100%;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 40px;
}

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

.article-body {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.article-body h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 32px 0 16px;
}

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

.article-tags {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.tag-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.tag-item {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.tag-item:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.article-share-box {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
    margin-bottom: 40px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.share-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.share-buttons {
    display: flex;
    gap: 12px;
}

.share-btn {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.share-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.nav-item {
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

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

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

.nav-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.nav-title {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

/* 侧边栏样式 */
.article-sidebar .sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
}

.widget-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.hot-list {
    list-style: none;
}

.hot-list li {
    margin-bottom: 12px;
}

.hot-item {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.hot-item:hover {
    color: var(--accent-primary);
}

.hot-rank {
    width: 28px;
    height: 28px;
    background: var(--accent-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.hot-list li:nth-child(1) .hot-rank,
.hot-list li:nth-child(2) .hot-rank,
.hot-list li:nth-child(3) .hot-rank {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.contact-info-box {
    text-align: center;
}

.contact-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.contact-phone {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.contact-time {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 10px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.service-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

.service-icon {
    font-size: 1.5rem;
}

.service-name {
    font-weight: 500;
    color: var(--text-primary);
}

/* 相关推荐 */
.related-articles {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.section-title-center {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
}

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

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    transition: var(--transition-normal);
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.related-image {
    height: 180px;
}

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

.related-image.placeholder {
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.related-content {
    padding: 20px;
}

.related-category {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 12px;
}

.related-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.related-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==================== 案例详情页新布局 ==================== */
.case-hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 100px 0 60px;
    border-bottom: 1px solid var(--border-color);
}

.case-breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    font-size: 0.9rem;
}

.case-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.case-header {
    max-width: 900px;
}

.case-type-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--accent-gradient);
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.case-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 16px;
}

.case-summary {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.case-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: var(--transition-normal);
}

.stat-box:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.case-content-section {
    padding: 60px 0;
}

.case-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 60px;
}

.case-main {
    min-width: 0;
}

.case-featured-image {
    width: 100%;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 40px;
}

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

.case-body {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.case-body h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.case-body h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 32px 0 16px;
}

.case-body p {
    margin-bottom: 20px;
}

/* 客户评价 */
.client-testimonial {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
}

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

.quote-icon {
    font-size: 3rem;
    color: var(--accent-primary);
    line-height: 1;
}

.testimonial-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 24px;
    padding: 0;
    border: none;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.author-title {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 案例标签 */
.case-tags {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

/* 案例分享 */
.case-share-box {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
    margin-bottom: 40px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* 案例导航 */
.case-nav {
    margin-top: 40px;
}

/* 案例侧边栏 */
.case-sidebar .sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

.check-icon {
    width: 24px;
    height: 24px;
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition-fast);
    margin-bottom: 12px;
}

.service-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

.service-item .service-icon {
    font-size: 2rem;
}

.service-item .service-info {
    display: flex;
    flex-direction: column;
}

.service-item .service-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.service-item .service-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 更多案例 */
.more-cases {
    padding: 80px 0;
    background: var(--bg-secondary);
}

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

.more-case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    transition: var(--transition-normal);
}

.more-case-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.more-case-image {
    height: 200px;
}

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

.more-case-image.placeholder {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
}

.more-case-content {
    padding: 20px;
}

.more-case-type {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 12px;
}

.more-case-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.more-case-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid,
    .news-layout,
    .news-detail-layout,
    .article-layout,
    .case-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-visual {
        order: -1;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-sidebar,
    .news-detail-sidebar,
    .article-layout aside,
    .case-layout aside {
        order: 1;
    }
    
    .news-card {
        grid-template-columns: 1fr;
    }
    
    .case-overview {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-results {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-cases .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .home-news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .visual-card:first-child {
        grid-column: span 1;
    }
    
    .about-visual {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .case-filter {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .news-detail-title,
    .case-detail-title {
        font-size: 1.75rem;
    }
    
    .news-detail-meta,
    .case-detail-meta {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .case-overview {
        grid-template-columns: 1fr;
    }
    
    .case-main-image {
        height: 250px;
    }
    
    .case-thumbnails {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-results {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-testimonial {
        padding: 32px 24px;
    }

    .case-testimonial blockquote {
        font-size: 1.1rem;
    }

    .case-title {
        font-size: 1.5rem;
    }

    .case-summary {
        font-size: 0.95rem;
    }

    .case-featured-image {
        height: 220px;
        margin-bottom: 24px;
    }

    .case-share-box {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px 0;
        margin-bottom: 24px;
    }
    
    .related-cases .related-grid {
        grid-template-columns: 1fr;
    }
    
    .news-navigation {
        grid-template-columns: 1fr;
    }
    
    .nav-next {
        text-align: left;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .news-share {
        flex-wrap: wrap;
    }
    
    .pagination {
        gap: 6px;
    }
    
    .pagination a,
    .pagination span {
        min-width: 38px;
        height: 38px;
        padding: 0 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .stat-item {
        text-align: center;
    }
    
    :root {
        --section-padding: 60px;
    }

    .case-results {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-title {
        font-size: 1.6rem !important;
        line-height: 1.3;
        margin-bottom: 16px;
    }

    .hero-title .gradient-text {
        font-size: 1.6rem !important;
        white-space: normal !important;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }

    .hero-cta {
        margin-bottom: 40px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .orb-1,
    .orb-2 {
        width: 200px;
        height: 200px;
    }

    .article-layout {
        gap: 40px;
    }

    .article-title {
        font-size: 1.5rem;
    }

    .article-summary {
        font-size: 0.95rem;
    }

    .article-featured-image {
        height: 220px;
        margin-bottom: 24px;
    }

    .article-meta-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px 0;
    }

    .article-body {
        font-size: 1rem;
        margin-bottom: 24px;
    }

    .article-body h2 {
        font-size: 1.35rem;
        margin: 28px 0 16px;
    }

    .article-body h3 {
        font-size: 1.15rem;
    }

    .article-share-box {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px 0;
        margin-bottom: 24px;
    }

    .article-nav {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .article-nav a:last-child,
    .article-nav div:last-child {
        text-align: left !important;
    }
}

/* ==================== 移动端菜单 ==================== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 16px 0;
    z-index: 999;
    transform: translateY(-10px);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.mobile-nav-links li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-nav-links li:last-child {
    border-bottom: none;
}

.mobile-nav-links a {
    display: block;
    padding: 14px 24px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    color: var(--primary);
    background: rgba(240, 147, 59, 0.08);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-menu {
        display: block;
    }

    .nav-cta {
        display: none;
    }
}