/* ========================================
   美朝夕健康科技 - 主样式表
   科技感 · 深色主题 · 现代化设计
   ======================================== */

/* ===== CSS 变量 ===== */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --accent: #f59e0b;
    --danger: #ef4444;
    --bg-dark: #0a0e1a;
    --bg-darker: #060914;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-white: #f1f5f9;
    --text-gray: #94a3b8;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-dark: rgba(255,255,255,0.08);
    --border-light: rgba(0,0,0,0.08);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    --gradient-dark: linear-gradient(180deg, #0a0e1a 0%, #060914 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(99,102,241,0.15) 0%, transparent 70%);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.2);
    --shadow-glow: 0 0 40px rgba(99,102,241,0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ===== 通用容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.section-dark {
    background: var(--bg-darker);
    color: var(--text-white);
}

.section-dark .section-title {
    color: var(--text-white);
}

.section-dark .section-desc {
    color: var(--text-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99,102,241,0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-dark .section-tag {
    background: rgba(99,102,241,0.2);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
}

.section-desc {
    font-size: 17px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99,102,241,0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99,102,241,0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(99,102,241,0.1);
}

.btn-ghost {
    background: transparent;
    color: var(--primary-light);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 17px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-arrow {
    transition: transform 0.3s;
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10,14,26,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-dark);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
}

.logo-icon {
    font-size: 24px;
}

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

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

.nav-link {
    padding: 8px 16px;
    color: var(--text-gray);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-white);
    background: rgba(99,102,241,0.15);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-white);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    animation: float 20s infinite;
}

.hero-particles::before {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
    top: 20%;
    left: 10%;
}

.hero-particles::after {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139,92,246,0.06) 0%, transparent 70%);
    bottom: 10%;
    right: 5%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.3);
    border-radius: 30px;
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 32px;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.2;
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: 19px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 80px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-white);
    display: block;
}

.stat-unit {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-light);
}

.stat-label {
    font-size: 13px;
    color: var(--text-gray);
    margin-top: 4px;
    display: block;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-gray);
    font-size: 12px;
    z-index: 1;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollHint 2s infinite;
}

@keyframes scrollHint {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== 页面标题（子页面通用） ===== */
.page-header {
    padding: 160px 0 80px;
    background: var(--gradient-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 12px;
}

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

.breadcrumb {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-gray);
}

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

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

/* ===== 首页服务卡片 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

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

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99,102,241,0.3);
    box-shadow: var(--shadow-glow);
}

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

.service-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    color: var(--primary-light);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

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

/* ===== 技术优势区域 ===== */
.features-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.feature-block {
    margin-bottom: 40px;
    padding-left: 24px;
    border-left: 3px solid var(--primary);
}

.feature-num {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.feature-block h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.feature-block p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
}

.tech-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.tech-circle {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--primary), var(--secondary), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    to { transform: rotate(360deg); }
}

.tech-circle .circle-inner {
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: var(--bg-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: rotate 10s linear infinite reverse;
}

.circle-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.circle-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

.tech-metrics {
    display: flex;
    gap: 40px;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.metric-label {
    font-size: 12px;
    color: var(--text-light);
}

/* ===== CTA 区域 ===== */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 17px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-darker);
    padding: 60px 0 24px;
    border-top: 1px solid var(--border-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 16px;
}

.footer-desc {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.footer-icp {
    color: var(--text-gray);
    font-size: 12px;
}

.footer-col h4 {
    color: var(--text-white);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-gray);
    font-size: 14px;
    transition: var(--transition);
}

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

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding-top: 24px;
    text-align: center;
    color: var(--text-gray);
    font-size: 13px;
}

/* ===== 关于我们页面 ===== */
.about-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

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

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

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.highlight-item:hover {
    background: #eef2ff;
    transform: translateX(4px);
}

.highlight-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.highlight-item p {
    font-size: 14px;
    color: var(--text-light);
}

.info-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
}

.info-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary);
}

.info-rows {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.info-row {
    display: flex;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 14px;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-light);
    width: 130px;
    flex-shrink: 0;
}

.info-value {
    color: var(--text-dark);
    font-weight: 500;
    flex: 1;
}

.status-active {
    color: var(--secondary) !important;
    font-weight: 600 !important;
}

/* ===== 时间线 ===== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

.timeline-dot {
    position: absolute;
    left: -36px;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    border: 4px solid var(--bg-darker);
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-date {
    font-size: 13px;
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== 团队文化卡片 ===== */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.culture-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.culture-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.culture-icon {
    font-size: 44px;
    margin-bottom: 16px;
}

.culture-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.culture-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== 服务详情页面 ===== */
.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

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

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

.service-badge {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 20px;
}

.service-detail h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: inherit;
}

.service-detail .section-dark h2,
.section-dark .service-detail h2 {
    color: var(--text-white);
}

.service-lead {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.section-dark .service-lead {
    color: var(--text-gray);
}

.service-features {
    list-style: none;
    margin-bottom: 32px;
}

.service-features li {
    padding: 10px 0;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(99,102,241,0.1);
    color: var(--primary);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

/* 数据看板可视化 */
.service-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.vc-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: rgba(99,102,241,0.1);
    border-bottom: 1px solid var(--border-dark);
    font-size: 14px;
    color: var(--text-white);
    font-weight: 600;
}

.vc-dot {
    width: 10px;
    height: 10px;
    background: var(--secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.vc-body {
    padding: 20px;
}

.vc-metric {
    margin-bottom: 18px;
}

.vc-metric:last-child {
    margin-bottom: 0;
}

.vc-label {
    font-size: 13px;
    color: var(--text-gray);
    display: block;
    margin-bottom: 4px;
}

.vc-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-white);
}

.vc-value small {
    font-size: 13px;
    color: var(--text-gray);
    font-weight: 400;
}

.vc-bar {
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    margin-top: 6px;
    overflow: hidden;
}

.vc-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    animation: barFill 1.5s ease-out;
}

@keyframes barFill {
    from { width: 0; }
}

/* 聊天界面 */
.chat-mockup {
    width: 100%;
    max-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(99,102,241,0.15);
    border-bottom: 1px solid var(--border-dark);
    font-size: 14px;
    color: var(--text-white);
    font-weight: 600;
}

.chat-avatar {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: white;
}

.chat-status {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    margin-left: auto;
}

.chat-body {
    padding: 20px;
    min-height: 280px;
}

.chat-msg {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 12px;
    max-width: 85%;
}

.chat-msg.bot {
    background: rgba(99,102,241,0.1);
    color: var(--text-white);
    border-bottom-left-radius: 4px;
}

.chat-msg.user {
    background: var(--primary);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

/* 数据图表 */
.data-visual {
    display: flex;
    justify-content: center;
}

.data-chart {
    width: 100%;
    max-width: 380px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 20px;
    height: 200px;
    margin-bottom: 16px;
}

.bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    height: 100%;
    justify-content: flex-end;
}

.bar {
    width: 100%;
    max-width: 50px;
    background: var(--gradient-primary);
    border-radius: 6px 6px 0 0;
    transition: height 1s ease;
    animation: barGrow 1s ease-out;
}

@keyframes barGrow {
    from { height: 0 !important; }
}

.bar-group span {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 600;
}

.chart-label {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
}

/* 养生卡片 */
.wellness-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
    max-width: 400px;
}

.mini-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    transition: var(--transition);
}

.mini-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.mini-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 8px;
}

.mini-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 4px;
}

.mini-card p {
    font-size: 12px;
    color: var(--text-gray);
}

/* 技术栈 */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 400px;
}

.stack-item {
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-light);
    transition: var(--transition);
}

.stack-item:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

/* 中介流程图 */
.broker-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.flow-node {
    padding: 14px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-gray);
    transition: var(--transition);
}

.flow-node.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.flow-arrow {
    font-size: 24px;
    color: var(--primary);
    font-weight: 700;
}

.broker-desc {
    text-align: center;
    font-size: 14px;
    color: var(--text-gray);
    max-width: 360px;
    margin: 0 auto;
}

/* ===== 技术平台页面 ===== */
.tech-layers {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.tech-layer {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.tech-layer:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.layer-icon {
    font-size: 32px;
}

.layer-header h3 {
    font-size: 20px;
    font-weight: 700;
}

.tech-layer p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.layer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.layer-tags span {
    padding: 4px 12px;
    background: #eef2ff;
    color: var(--primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* AI 引擎卡片 */
.engine-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.engine-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.engine-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.engine-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.engine-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}

.engine-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.engine-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-dark);
}

.es-num {
    display: block;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-light);
}

.es-label {
    font-size: 11px;
    color: var(--text-gray);
}

/* 安全网格 */
.security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.security-item {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.security-item:hover {
    background: #eef2ff;
}

.sec-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.security-item h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.security-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 技术参数表 */
.specs-table-wrap {
    overflow-x: auto;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.specs-table thead {
    background: rgba(99,102,241,0.15);
}

.specs-table th {
    padding: 16px 24px;
    text-align: left;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.specs-table td {
    padding: 16px 24px;
    font-size: 15px;
    color: var(--text-gray);
    border-top: 1px solid var(--border-dark);
}

.specs-table td:first-child {
    color: var(--text-white);
    font-weight: 500;
}

.specs-table td strong {
    color: var(--primary-light);
    font-weight: 700;
}

/* ===== 解决方案页面 ===== */
.solution-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
    padding: 40px;
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.solution-block:last-of-type {
    margin-bottom: 0;
}

.solution-block:hover {
    background: rgba(99,102,241,0.02);
}

.solution-block.reverse {
    direction: rtl;
}

.solution-block.reverse > * {
    direction: ltr;
}

.sol-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.sol-content h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 16px;
}

.sol-desc {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 28px;
}

.sol-features {
    margin-bottom: 32px;
}

.sol-feat {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
}

.sf-icon {
    font-size: 24px;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
    border-radius: 50%;
}

.sol-feat h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.sol-feat p {
    font-size: 14px;
    color: var(--text-light);
}

/* 仪表盘 mockup */
.dashboard-mock {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
}

.dash-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: rgba(99,102,241,0.1);
    border-bottom: 1px solid var(--border-dark);
    font-size: 14px;
    color: var(--text-white);
    font-weight: 600;
}

.dash-dots {
    display: flex;
    gap: 6px;
}

.dash-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
}

.dash-body {
    padding: 24px;
}

.dash-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.dash-card {
    text-align: center;
    padding: 20px;
    background: rgba(99,102,241,0.05);
    border-radius: var(--radius-md);
}

.dc-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-light);
}

.dc-label {
    font-size: 12px;
    color: var(--text-gray);
    margin-top: 4px;
    display: block;
}

.dash-chart {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 120px;
    padding: 16px;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-md);
}

.dash-bar {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: 4px 4px 0 0;
    animation: barGrow 1s ease-out;
    transition: height 1s ease;
}

/* 社区可视化 */
.community-visual {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.cv-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
    z-index: 2;
}

.cv-icon {
    font-size: 28px;
    margin-bottom: 4px;
}

.cv-node {
    position: absolute;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-white);
    font-weight: 500;
}

.cv-n1 { top: 10%; left: 10%; }
.cv-n2 { top: 10%; right: 10%; }
.cv-n3 { bottom: 10%; left: 10%; }
.cv-n4 { bottom: 10%; right: 10%; }

.cv-connections {
    position: absolute;
    inset: 0;
}

.cv-connections svg {
    width: 100%;
    height: 100%;
}

/* 时间线垂直 */
.timeline-vertical {
    max-width: 360px;
    margin: 0 auto;
}

.tv-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    position: relative;
    padding-left: 32px;
}

.tv-item::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 20px;
    bottom: -24px;
    width: 2px;
    background: var(--primary);
    opacity: 0.3;
}

.tv-item:last-child::before {
    display: none;
}

.tv-dot {
    position: absolute;
    left: 0;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.2);
}

.tv-content h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.tv-content p {
    font-size: 13px;
    color: var(--text-light);
}

/* 运动圆环 */
.sport-rings {
    position: relative;
    width: 240px;
    height: 240px;
    margin: 0 auto;
}

.ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

.ring-outer {
    width: 240px;
    height: 240px;
}

.ring-middle {
    width: 190px;
    height: 190px;
}

.ring-inner {
    width: 140px;
    height: 140px;
}

.ring svg {
    width: 100%;
    height: 100%;
}

.ring-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
}

.ring-outer .ring-label { font-size: 15px; font-weight: 700; }
.ring-middle .ring-label { font-size: 13px; }
.ring-inner .ring-label { font-size: 11px; }

/* ===== 新闻页面 ===== */
.news-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.news-tab {
    padding: 10px 24px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

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

/* 头条新闻 */
.news-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 64px;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.nf-image {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    min-height: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nf-image::before {
    content: '🚀';
    font-size: 80px;
    opacity: 0.3;
}

.nf-category {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 16px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-size: 12px;
    color: white;
    font-weight: 600;
}

.nf-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.nf-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.nf-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
}

.nf-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 24px;
}

/* 新闻卡片 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

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

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

.news-card-image {
    height: 180px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-card-image::before {
    font-size: 48px;
    opacity: 0.4;
}

.nc-img1 { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.nc-img1::before { content: '🏢'; }
.nc-img2 { background: linear-gradient(135deg, #10b981, #059669); }
.nc-img2::before { content: '🤖'; }
.nc-img3 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.nc-img3::before { content: '📊'; }
.nc-img4 { background: linear-gradient(135deg, #ef4444, #dc2626); }
.nc-img4::before { content: '🌡️'; }
.nc-img5 { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.nc-img5::before { content: '⌚'; }
.nc-img6 { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.nc-img6::before { content: '🎉'; }
.nc-img7 { background: linear-gradient(135deg, #ec4899, #db2777); }
.nc-img7::before { content: '😴'; }
.nc-img8 { background: linear-gradient(135deg, #84cc16, #65a30d); }
.nc-img8::before { content: '👴'; }

.news-category-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    font-size: 11px;
    color: white;
    font-weight: 600;
}

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

.news-date {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.news-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.news-link {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

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

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

.page-btn {
    padding: 10px 18px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-light);
    transition: var(--transition);
}

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

.page-ellipsis {
    padding: 10px 8px;
    color: var(--text-light);
}

/* 订阅区域 */
.subscribe-section {
    padding: 80px 0;
    background: var(--bg-darker);
}

.subscribe-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.subscribe-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}

.subscribe-content p {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 32px;
}

.subscribe-form {
    display: flex;
    gap: 12px;
}

.subscribe-form input {
    flex: 1;
    padding: 14px 24px;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    font-size: 15px;
    background: var(--bg-card);
    color: var(--text-white);
    outline: none;
    transition: var(--transition);
}

.subscribe-form input:focus {
    border-color: var(--primary);
}

.subscribe-form input::placeholder {
    color: var(--text-gray);
}

/* ===== 联系页面 ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info-panel h2,
.contact-form-panel h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-desc,
.form-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-card:hover {
    background: #eef2ff;
}

.cc-icon {
    font-size: 28px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.cc-content h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

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

.cc-content small {
    color: var(--text-light);
    opacity: 0.7;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
    font-size: 20px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

/* 表单 */
.contact-form-panel {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

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

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text-dark);
    background: var(--bg-white);
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

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

.checkbox-group {
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-light);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.form-success {
    margin-top: 20px;
    padding: 16px;
    background: #ecfdf5;
    border: 1px solid #10b981;
    border-radius: var(--radius-sm);
    color: #065f46;
    font-size: 14px;
    font-weight: 500;
}

/* 地图区域 */
.map-area {
    max-width: 800px;
    margin: 0 auto;
}

.map-placeholder {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
}

.map-content {
    max-width: 500px;
    margin: 0 auto;
}

.map-icon {
    font-size: 56px;
    display: block;
    margin-bottom: 16px;
}

.map-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
}

.map-content > p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 32px;
}

.map-tips {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.map-tip {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    text-align: left;
    padding: 14px 20px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-md);
}

.map-tip span:first-child {
    font-size: 22px;
    flex-shrink: 0;
}

.map-tip strong {
    display: block;
    font-size: 14px;
    color: var(--text-white);
    margin-bottom: 2px;
}

.map-tip p {
    font-size: 13px;
    color: var(--text-gray);
}

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

.faq-item {
    border-bottom: 1px solid var(--border-light);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-toggle {
    font-size: 22px;
    color: var(--primary);
    font-weight: 400;
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer p {
    padding: 0 0 20px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== 数字动画 ===== */
.animate-number {
    transition: all 0.3s;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .engine-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-darker);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-dark);
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-toggle {
        display: flex;
    }
    .hero-title {
        font-size: 36px;
    }
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .features-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-layout {
        grid-template-columns: 1fr;
    }
    .service-detail {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .service-detail.reverse {
        direction: ltr;
    }
    .tech-layers {
        grid-template-columns: 1fr;
    }
    .engine-grid {
        grid-template-columns: 1fr;
    }
    .security-grid {
        grid-template-columns: 1fr;
    }
    .solution-block {
        grid-template-columns: 1fr;
        padding: 24px;
    }
    .solution-block.reverse {
        direction: ltr;
    }
    .news-featured {
        grid-template-columns: 1fr;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .contact-layout {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .subscribe-form {
        flex-direction: column;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .culture-grid {
        grid-template-columns: 1fr;
    }
    .page-header h1 {
        font-size: 36px;
    }
    .section {
        padding: 60px 0;
    }
    .wellness-cards {
        grid-template-columns: 1fr;
    }
    .broker-flow {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    .section-title {
        font-size: 26px;
    }
    .cta-content h2 {
        font-size: 24px;
    }
    .nav-container {
        padding: 0 16px;
    }
    .container {
        padding: 0 16px;
    }
}

/* ===== 滚动动画 ===== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos-delay="100"].aos-animate {
    transition-delay: 0.1s;
}

[data-aos-delay="200"].aos-animate {
    transition-delay: 0.2s;
}