/* ========================================
   非同凡想商业咨询 - 主样式表
   ======================================== */

/* CSS变量 */
:root {
    --primary-color: #1a365d;
    --primary-light: #2c5282;
    --primary-dark: #0d1b2a;
    --secondary-color: #c9a227;
    --secondary-light: #d4af37;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
    --bg-gray: #edf2f7;
    --border-color: #e2e8f0;
    --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 -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --container-max: 1200px;
}

/* 重置样式 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
}

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

ul {
    list-style: none;
}

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

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 20px 0;
}

.navbar.scrolled {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

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

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    border-radius: var(--border-radius);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--bg-white);
}

.navbar.scrolled .logo-text {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-menu a {
    color: var(--bg-white);
    font-weight: 500;
    font-size: 15px;
    position: relative;
}

.navbar.scrolled .nav-menu a {
    color: var(--text-primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--bg-white);
    transition: var(--transition);
}

.navbar.scrolled .hamburger span {
    background: var(--primary-color);
}

/* 首页Banner */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.92) 0%, rgba(45, 95, 150, 0.88) 100%), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 25px;
}

.hero-content p {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--bg-white);
    opacity: 0.7;
}

.hero-scroll span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--bg-white), transparent);
    margin: 10px auto 0;
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 8px;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--primary-dark);
}

.btn-primary:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--bg-white);
    border: 2px solid var(--bg-white);
}

.btn-outline:hover {
    background: var(--bg-white);
    color: var(--primary-color);
}

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

.btn-white:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* 区块样式 */
.section {
    padding: 100px 0;
}

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

.section-sm {
    padding: 40px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    color: var(--secondary-color);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 18px;
}

/* 关于我们预览 */
.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.about-card {
    text-align: center;
    padding: 40px 25px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.about-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

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

.about-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* 数据统计 */
.stats-section {
    background: var(--primary-color);
    padding: 80px 0;
    color: var(--bg-white);
}

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

.stat-item {
    padding: 20px;
}

.stat-number,
.stat-plus,
.stat-percent {
    font-size: 56px;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1;
}

.stat-item p {
    margin-top: 10px;
    font-size: 18px;
    opacity: 0.9;
}

/* 服务项目 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    height: 200px;
    background: var(--bg-gray);
}

.service-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 18px;
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--border-color) 100%);
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.service-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.service-link {
    color: var(--secondary-color);
    font-weight: 600;
}

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

/* 成功案例 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.case-card {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.case-image {
    height: 280px;
    background: var(--bg-gray);
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(26, 54, 93, 0.95), transparent);
    color: var(--bg-white);
}

.case-overlay h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.case-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

/* 新闻区域 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.news-image {
    height: 200px;
    background: var(--bg-gray);
}

.news-content {
    padding: 25px;
}

.news-date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
    display: block;
}

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

.news-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* CTA区域 */
.cta-section {
    background: var(--primary-color);
    padding: 100px 0;
    text-align: center;
    color: var(--bg-white);
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

/* 页脚 */
.footer {
    background: var(--primary-dark);
    color: var(--bg-white);
    padding: 80px 0 30px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo .logo-icon {
    background: var(--secondary-color);
    color: var(--primary-dark);
}

.footer-logo .logo-text {
    color: var(--bg-white);
    font-size: 20px;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

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

.footer-social a:hover {
    background: var(--secondary-color);
    color: var(--primary-dark);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--bg-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    margin-bottom: 12px;
    line-height: 1.6;
}

.footer-contact strong {
    color: var(--bg-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

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

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 160px 0 80px;
    text-align: center;
    color: var(--bg-white);
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
}

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

/* 关于我们页面 */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-intro-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
}

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

.about-intro-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.about-image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--border-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 18px;
}

/* 价值观 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 25px;
}

.value-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.value-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* 时间线 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 50px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
}

.timeline-content {
    width: 80%;
    padding: 25px 30px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 30px;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 30px;
}

.timeline-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 15px;
}

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

.team-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.team-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 36px;
    font-weight: 600;
}

.team-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.team-title {
    color: var(--secondary-color);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

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

/* 服务详情 */
.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.service-detail-reverse {
    direction: rtl;
}

.service-detail-reverse > * {
    direction: ltr;
}

.service-detail-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-detail-content p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.8;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 30px;
}

.service-features li {
    position: relative;
    padding-left: 25px;
    color: var(--text-secondary);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

.service-detail-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.service-image-placeholder {
    width: 100%;
    height: 350px;
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--border-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 24px;
}

/* 服务流程 */
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.process-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.process-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary-color);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 20px;
}

.process-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.process-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 案例列表 */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 25px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

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

.cases-list {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.case-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
    padding: 50px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.case-item .case-image {
    height: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.case-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--border-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 20px;
}

.case-category {
    display: inline-block;
    padding: 6px 16px;
    background: var(--secondary-color);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.case-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.case-summary {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 25px;
}

.case-results {
    display: flex;
    gap: 40px;
    margin-bottom: 25px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
}

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

.result-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary-color);
}

.result-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.case-detail {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 新闻列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    padding: 30px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.news-item:hover {
    box-shadow: var(--shadow-lg);
}

.news-item .news-image {
    height: 180px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.news-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--border-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.news-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.news-content h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.news-content h2 a {
    color: var(--primary-color);
}

.news-content h2 a:hover {
    color: var(--secondary-color);
}

.news-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.news-link {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 14px;
}

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

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 50px;
}

.page-btn {
    padding: 12px 24px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.page-info {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 新闻详情 */
.news-detail {
    max-width: 900px;
    margin: 0 auto;
}

.back-link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 30px;
}

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

.news-detail-content h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.news-meta span {
    color: var(--text-light);
    font-size: 14px;
}

.news-body {
    color: var(--text-secondary);
    line-height: 1.8;
}

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

/* 联系我们 */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

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

.contact-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* 联系表单 */
.contact-form-wrapper {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form-wrapper h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
}

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

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    margin-top: 20px;
}

.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    font-size: 14px;
}

.alert-success {
    background: #f0fff4;
    color: #276749;
    border: 1px solid #9ae6b4;
}

.alert-error {
    background: #fff5f5;
    color: #c53030;
    border: 1px solid #fc8181;
}

/* 地图 */
.map-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-placeholder {
    height: 400px;
    background: var(--bg-gray);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

/* 工具类 */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 40px;
}

.loading {
    text-align: center;
    padding: 60px;
    color: var(--text-light);
}

.empty-state {
    text-align: center;
    padding: 60px;
    color: var(--text-light);
}

.error-message {
    text-align: center;
    padding: 60px;
    color: #c53030;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .about-grid,
    .values-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid,
    .cases-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-menu li {
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu a {
        display: block;
        padding: 15px 0;
        color: var(--text-primary);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-grid,
    .values-grid,
    .team-grid,
    .services-grid,
    .cases-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-intro,
    .service-detail {
        grid-template-columns: 1fr;
    }
    
    .service-detail-reverse {
        direction: ltr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 80px;
        padding-right: 0;
        justify-content: flex-start;
    }
    
    .timeline-year {
        left: 30px;
        transform: translateX(-50%);
        width: 60px;
        height: 60px;
        font-size: 14px;
    }
    
    .timeline-content,
    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
    
    .case-item {
        grid-template-columns: 1fr;
    }
    
    .case-results {
        flex-direction: column;
        gap: 20px;
    }
    
    .news-item {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .service-features {
        grid-template-columns: 1fr;
    }
}