/* ============================================
   殴易苹果版 - 主样式表
   专业金融交易风格配色
   ============================================ */

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

:root {
    --primary-color: #00c087;
    --primary-dark: #00a06f;
    --primary-light: #33d9a0;
    --secondary-color: #1a1f36;
    --accent-color: #f0b90b;
    --danger-color: #f6465d;
    --success-color: #0ecb81;
    --bg-dark: #0b0e11;
    --bg-card: #1e2329;
    --bg-card-hover: #2b3139;
    --text-primary: #eaecef;
    --text-secondary: #848e9c;
    --text-muted: #5e6673;
    --border-color: #2b3139;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
    --gradient-primary: linear-gradient(135deg, #00c087 0%, #00a06f 100%);
    --gradient-dark: linear-gradient(180deg, #1a1f36 0%, #0b0e11 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 192, 135, 0.1) 0%, rgba(11, 14, 17, 0.95) 50%, rgba(26, 31, 54, 0.9) 100%);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --max-width: 1200px;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
}

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

/* ============================================
   导航栏
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 14, 17, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

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

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.nav-brand:hover {
    color: var(--primary-color);
}

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

.nav-link {
    padding: 10px 18px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    gap: 8px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 192, 135, 0.4);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.nav-toggle {
    display: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 8px;
}

/* ============================================
   Hero区域
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 192, 135, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(240, 185, 11, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    opacity: 0.3;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 192, 135, 0.15);
    border: 1px solid rgba(0, 192, 135, 0.3);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #eaecef 50%, #00c087 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.hero-visual {
    position: relative;
    animation: fadeInRight 1s ease-out;
}

.hero-phone {
    position: relative;
    width: 320px;
    margin: 0 auto;
    padding: 16px;
    background: linear-gradient(145deg, #2b3139 0%, #1e2329 100%);
    border-radius: 48px;
    box-shadow: var(--shadow-lg), inset 0 2px 4px rgba(255,255,255,0.1);
}

.hero-phone::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #0b0e11;
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    background: #0b0e11;
    border-radius: 36px;
    overflow: hidden;
    padding: 44px 12px 20px;
}

.phone-screen img {
    width: 100%;
    border-radius: 24px;
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

.floating-card.card-1 {
    top: 20%;
    left: -30px;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 20%;
    right: -30px;
    animation-delay: 1.5s;
}

.fc-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 192, 135, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.fc-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.fc-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ============================================
   通用Section样式
   ============================================ */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 192, 135, 0.1);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   核心特性区
   ============================================ */
.features {
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 192, 135, 0.3);
    box-shadow: var(--shadow-lg);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 192, 135, 0.12);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-primary);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   服务介绍区
   ============================================ */
.services {
    background: var(--secondary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    align-items: center;
}

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

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-image:hover img {
    transform: scale(1.05);
}

.service-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.service-content > p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

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

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

.service-item-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(0, 192, 135, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.service-item-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

/* 交替布局 */
.services-grid.reverse {
    direction: rtl;
}

.services-grid.reverse > * {
    direction: ltr;
}

/* ============================================
   产品展示区
   ============================================ */
.products {
    background: var(--bg-dark);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 192, 135, 0.15);
}

.product-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(0, 192, 135, 0.2), rgba(0, 192, 135, 0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.product-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.product-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   详细内容区 - 安全保障
   ============================================ */
.security {
    background: var(--secondary-color);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.security-card {
    text-align: center;
    padding: 32px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.security-card:hover {
    background: rgba(0, 192, 135, 0.05);
    border-color: rgba(0, 192, 135, 0.3);
}

.security-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

/* ============================================
   行动号召区
   ============================================ */
.cta {
    background: linear-gradient(135deg, #00c087 0%, #00a06f 50%, #008a5c 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

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

.cta-content .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
    background: #07090c;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand .nav-brand {
    font-size: 1.15rem;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

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

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

.footer-column a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   新闻列表页
   ============================================ */
.page-banner {
    padding: 140px 0 80px;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 50% 30%, rgba(0, 192, 135, 0.1) 0%, transparent 60%);
}

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

.page-banner h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.page-banner p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--text-secondary);
}

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

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

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

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

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 192, 135, 0.3);
    box-shadow: var(--shadow-lg);
}

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

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

.news-card:hover .news-card-image img {
    transform: scale(1.1);
}

.news-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--primary-color);
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 50px;
}

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

.news-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.news-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.5;
    transition: var(--transition);
}

.news-card:hover h3 {
    color: var(--primary-color);
}

.news-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary-color);
}

.read-more:hover {
    gap: 10px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

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

/* ============================================
   新闻详情页
   ============================================ */
.news-detail {
    background: var(--bg-dark);
    padding: 60px 0;
}

.news-detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-header {
    margin-bottom: 40px;
}

.news-detail-header h1 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 16px;
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

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

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

.news-detail-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 36px 0 16px;
    padding-left: 12px;
    border-left: 3px solid var(--primary-color);
}

.news-detail-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 24px 0 12px;
    color: var(--primary-light);
}

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

.news-detail-body li {
    list-style-type: disc;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.news-detail-body img {
    border-radius: var(--radius-md);
    margin: 24px 0;
}

/* ============================================
   关于我们页
   ============================================ */
.about-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.about-section.alt {
    background: var(--secondary-color);
}

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

.about-content.reverse {
    direction: rtl;
}

.about-content.reverse > * {
    direction: ltr;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

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

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

/* 团队卡片 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 16px;
    border: 3px solid var(--primary-color);
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.team-card .role {
    font-size: 0.85rem;
    color: var(--primary-color);
}

/* ============================================
   联系我们页
   ============================================ */
.contact-main {
    background: var(--bg-dark);
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

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

.contact-card {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--primary-color);
    transform: translateX(8px);
}

.contact-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: rgba(0, 192, 135, 0.12);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-color);
}

.contact-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* 联系表单 */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.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 textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 192, 135, 0.15);
}

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

/* ============================================
   FAQ区域
   ============================================ */
.faq {
    background: var(--bg-dark);
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

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

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

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    cursor: pointer;
}

.faq-question .arrow {
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-item.active .faq-question .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   动画关键帧
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* 滚动显示动画 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .stat-item {
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid,
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid.reverse,
    .about-content.reverse {
        direction: ltr;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-cta {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu.open {
        display: flex;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-dark);
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .hero h1 {
        font-size: 1.85rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-phone {
        width: 260px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .floating-card.card-1 {
        left: -10px;
    }
    
    .floating-card.card-2 {
        right: -10px;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .page-banner {
        padding: 120px 0 60px;
    }
    
    .page-banner h1 {
        font-size: 2rem;
    }
    
    .news-detail-header h1 {
        font-size: 1.5rem;
    }
    
    .cta-content h2 {
        font-size: 1.85rem;
    }
    
    .contact-form,
    .contact-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .products-grid,
    .security-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .floating-card {
        display: none;
    }
    
    .btn-lg {
        padding: 14px 28px;
        font-size: 0.95rem;
    }
}

/* 打印样式 */
@media print {
    .site-header,
    .site-footer,
    .hero-actions,
    .nav-toggle {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}