/* ============================================
   高端现代设计风格 - Premium UI
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9de 100%);
    --gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--gray-700);
    line-height: 1.7;
    background: var(--gray-50);
    overflow-x: hidden;
}

/* 顶部联系栏 */
.top-bar {
    background: var(--dark);
    padding: 10px 0;
    font-size: 13px;
    color: var(--gray-400);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.top-bar .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar a {
    color: var(--gray-400);
    text-decoration: none;
    margin-left: 24px;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.top-bar i {
    font-size: 12px;
    color: var(--primary-light);
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s;
    position: absolute;
}

.menu-toggle span:nth-child(1) {
    transform: translateY(-7px);
}

.menu-toggle span:nth-child(2) {
    transform: translateY(0);
}

.menu-toggle span:nth-child(3) {
    transform: translateY(7px);
}

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

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

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

/* 主导航 */
.main-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
    transition: all 0.3s;
}

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

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo a {
    font-size: 15px;
    color: var(--dark);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.3;
    display: block;
    max-width: 320px;
    transition: all 0.3s;
}

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

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

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 4px;
}

.main-nav a {
    display: block;
    padding: 10px 16px;
    color: var(--gray-600);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.3s;
    position: relative;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

/* Hero 区域 */
.hero-section {
    position: relative;
    padding: 140px 0 100px;
    background: var(--dark);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(6, 182, 212, 0.2) 0%, transparent 50%);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -30px); }
    66% { transform: translate(-20px, 20px); }
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--gray-400);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

/* 通用容器 */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.section-gray {
    background: var(--gray-100);
}

.section-white {
    background: var(--white);
}

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

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-full);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.8;
}

/* 服务卡片网格 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-200);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-card-image {
    height: 220px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-image i {
    font-size: 64px;
    color: var(--white);
    z-index: 2;
    position: relative;
    transition: all 0.4s;
}

.service-card:hover .service-card-image i {
    transform: scale(1.1);
}

.service-card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.9;
    z-index: 1;
}

.bg-gradient-1::before { background: var(--gradient-1); }
.bg-gradient-2::before { background: var(--gradient-2); }
.bg-gradient-3::before { background: var(--gradient-3); }
.bg-gradient-4::before { background: var(--gradient-4); }
.bg-gradient-5::before { background: var(--gradient-5); }

.service-card-body {
    padding: 32px;
}

.service-card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-card-text {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}

.service-card-link:hover {
    gap: 12px;
}

.service-card-link i {
    transition: all 0.3s;
}

/* 特色列表 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s;
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
    position: relative;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    opacity: 0.9;
    z-index: -1;
}

.feature-icon-1::after { background: var(--gradient-1); }
.feature-icon-2::after { background: var(--gradient-2); }
.feature-icon-3::after { background: var(--gradient-3); }
.feature-icon-4::after { background: var(--gradient-4); }

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.feature-text {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.8;
}

/* 统计数据 */
.stats-section {
    background: var(--dark);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 50%, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 90% 50%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

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

.stat-number {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 15px;
    color: var(--gray-400);
    font-weight: 500;
}

/* 页面 Hero */
.page-hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}

.page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.95;
}

.page-hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 2px 2px, rgba(255,255,255,0.15) 1px, transparent 0);
    background-size: 40px 40px;
}

.page-hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    color: var(--white);
}

.page-hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.page-hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.page-hero-desc {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.8;
}

/* 内容区块 */
.content-section {
    padding: 80px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.content-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.4s;
    border: 1px solid var(--gray-200);
}

.content-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.content-card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
    margin-bottom: 24px;
}

.content-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.content-card-text {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.8;
}

/* 优势列表 */
.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.advantage-item {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
}

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

.advantage-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
    line-height: 1;
}

.advantage-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.advantage-text {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.7;
}

/* 介绍区块 */
.intro-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

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

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

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

.intro-image img {
    width: 100%;
    display: block;
}

.intro-content h3 {
    font-size: 32px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.intro-content p {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.intro-list {
    list-style: none;
    margin-top: 24px;
}

.intro-list li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    color: var(--gray-700);
    font-size: 15px;
}

.intro-list li::before {
    content: '\f00c';
    font-family: 'FontAwesome';
    position: absolute;
    left: 0;
    top: 12px;
    color: var(--primary);
    font-size: 14px;
}

/* CTA 区块 */
.cta-section {
    background: var(--dark);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    animation: ctaRotate 30s linear infinite;
}

@keyframes ctaRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 24px;
}

.cta-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.3;
}

.cta-text {
    font-size: 16px;
    color: var(--gray-400);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.cta-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

/* 页脚 */
.footer {
    background: var(--gray-900);
    padding: 80px 0 40px;
    color: var(--gray-400);
}

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

.footer-brand h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--dark-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all 0.3s;
}

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

.footer-column h5 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}

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

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

.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--dark-light);
    text-align: center;
    font-size: 14px;
}

.footer-bottom a {
    color: var(--primary-light);
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title { font-size: 44px; }
    .section-title { font-size: 32px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .intro-block { grid-template-columns: 1fr; gap: 40px; }
    .intro-block.reverse { direction: ltr; }
}

@media (max-width: 768px) {
    /* 汉堡菜单显示 */
    .menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 0 0;
        transition: right 0.3s ease;
        z-index: 999;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 0;
    }
    
    .main-nav a {
        padding: 16px 24px;
        font-size: 15px;
        border-radius: 0;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .main-nav a.active::after {
        display: none;
    }
    
    .main-nav a.active {
        background: rgba(99, 102, 241, 0.08);
        border-left: 3px solid var(--primary);
    }
    
    /* 遮罩层 */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 998;
    }
    
    .nav-overlay.active {
        display: block;
    }
    
    .hero-section { padding: 100px 0 60px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 15px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .page-hero { padding: 120px 0 60px; }
    .page-hero-title { font-size: 28px; }
    .page-hero-desc { font-size: 15px; }
    .section { padding: 60px 0; }
    .section-title { font-size: 26px; }
    .section-header { margin-bottom: 40px; }
    .services-grid { grid-template-columns: 1fr; }
    .content-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .advantages-list { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-number { font-size: 36px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .top-bar .container { flex-direction: column; gap: 8px; text-align: center; }
    .top-bar a { margin: 0 12px; }
    .cta-title { font-size: 28px; }
}

@media (max-width: 480px) {
    .logo a { font-size: 13px; max-width: 200px; }
    .hero-title { font-size: 24px; }
    .page-hero-title { font-size: 24px; }
    .section-title { font-size: 22px; }
    .stat-number { font-size: 28px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .btn { padding: 12px 24px; font-size: 14px; }
    .cta-btn { padding: 14px 28px; font-size: 14px; }
}