/* ============================================
   首页专属样式 - 企业级运营标准
   简洁大气 | 专业现代 | 完美响应式
   ============================================ */

:root {
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --border-color: rgba(226, 232, 240, 0.6);
}

[data-theme="dark"] {
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --border-color: rgba(51, 65, 85, 0.6);
}

/* ========== 顶部公告栏 ========== */
.top-announcement {
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    padding: 10px 24px;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    overflow: hidden;
}

.top-announcement::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(0); }
    100% { transform: translateX(50%); }
}

.top-announcement .announcement-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.top-announcement svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.announcement-link {
    color: white;
    text-decoration: underline;
    font-weight: 600;
    margin-left: 8px;
    transition: opacity 0.3s ease;
}

.announcement-link:hover {
    opacity: 0.8;
}

/* ========== 全局重置 ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #f8fafc;
    color: var(--text-primary);
}

[data-theme="dark"] body {
    background: #0f172a;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========== 导航栏 ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    z-index: 1000;
}

[data-theme="dark"] .header {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid rgba(51, 65, 85, 0.6);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

.logo-text {
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    flex: 1;
    margin: 0 32px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-item:hover,
.nav-item.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    color: var(--primary-600);
}

[data-theme="dark"] .nav-item:hover,
[data-theme="dark"] .nav-item.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(14, 165, 233, 0.2) 100%);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dropdown-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.dropdown.active .dropdown-toggle svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    padding: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="dark"] .dropdown-menu {
    background: #1e293b;
    border-color: rgba(51, 65, 85, 0.6);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--primary-600);
    padding-left: 18px;
}

[data-theme="dark"] .dropdown-item:hover {
    background: rgba(59, 130, 246, 0.15);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(243, 244, 246, 0.5);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

[data-theme="dark"] .theme-toggle {
    background: rgba(51, 65, 85, 0.5);
}

.theme-toggle:hover {
    background: rgba(229, 231, 235, 0.8);
    transform: rotate(15deg);
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(71, 85, 105, 0.8);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
}

.icon-sun {
    display: none;
}

[data-theme="dark"] .icon-moon {
    display: none;
}

[data-theme="dark"] .icon-sun {
    display: block;
}

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(59, 130, 246, 0.1);
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active svg line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

.mobile-menu-toggle.active svg line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu-toggle svg line {
    transition: all 0.3s ease;
    transform-origin: center;
}

/* ========== 主内容区域 ========== */
.main-content {
    flex: 1;
    margin-top: 72px;
    padding: 48px 24px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

/* ========== Hero区域 ========== */
.hero {
    display: block;
    text-align: center;
    margin-bottom: 80px;
    padding: 64px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f0f9ff 100%);
    border-radius: 32px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(226, 232, 240, 0.6);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #1e3a5f 100%);
}

.hero-bg-effects {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.hero-orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    bottom: -50px;
    left: 20%;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);
    top: 40%;
    left: -50px;
    animation: float 12s ease-in-out infinite;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(59, 130, 246, 0.4);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
}

.hero-particles span:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.hero-particles span:nth-child(2) { left: 20%; top: 60%; animation-delay: -2s; }
.hero-particles span:nth-child(3) { left: 30%; top: 40%; animation-delay: -4s; }
.hero-particles span:nth-child(4) { left: 50%; top: 80%; animation-delay: -6s; }
.hero-particles span:nth-child(5) { left: 70%; top: 30%; animation-delay: -8s; }
.hero-particles span:nth-child(6) { left: 80%; top: 70%; animation-delay: -10s; }
.hero-particles span:nth-child(7) { left: 90%; top: 50%; animation-delay: -12s; }
.hero-particles span:nth-child(8) { left: 15%; top: 85%; animation-delay: -3s; }
.hero-particles span:nth-child(9) { left: 45%; top: 15%; animation-delay: -7s; }
.hero-particles span:nth-child(10) { left: 75%; top: 95%; animation-delay: -11s; }

@keyframes particleFloat {
    0% { transform: translateY(0) scale(1); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) scale(0); opacity: 0; }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

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

.hero-text {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: 28px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-500);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.badge-tag {
    background: var(--primary-600);
    color: white;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    margin-left: 4px;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.hero-title-line {
    display: block;
}

.hero-title-highlight {
    display: block;
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 50%, #0284c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 17px;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 560px;
}

.highlight-text {
    color: var(--primary-600);
    font-weight: 600;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    border: 1px solid rgba(226, 232, 240, 0.6);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .btn-secondary {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(51, 65, 85, 0.6);
}

.btn-secondary:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .btn-secondary:hover {
    background: #1e293b;
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: white;
}

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

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(226, 232, 240, 0.4);
}

[data-theme="dark"] .hero-stats {
    border-top: 1px solid rgba(51, 65, 85, 0.6);
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

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

.stat-trend {
    font-size: 12px;
    color: var(--primary-600);
    font-weight: 500;
    margin-top: 4px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.visual-card-main {
    width: 100%;
    max-width: 520px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.8);
    overflow: hidden;
}

[data-theme="dark"] .visual-card-main {
    background: rgba(30, 41, 59, 0.85);
    border-color: rgba(51, 65, 85, 0.6);
}

.card-header-glass {
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

[data-theme="dark"] .card-header-glass {
    border-bottom: 1px solid rgba(51, 65, 85, 0.6);
}

.card-header-dots {
    display: flex;
    gap: 8px;
}

.card-header-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #e5e7eb;
}

.card-header-dots span:nth-child(1) {
    background: #ef4444;
}

.card-header-dots span:nth-child(2) {
    background: #f59e0b;
}

.card-header-dots span:nth-child(3) {
    background: #10b981;
}

.card-header-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

.monitor-chart {
    margin-bottom: 24px;
    padding: 20px;
    background: rgba(248, 250, 252, 0.5);
    border-radius: 16px;
}

[data-theme="dark"] .monitor-chart {
    background: rgba(15, 23, 42, 0.5);
}

.chart-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 100px;
    gap: 8px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, #3b82f6 0%, #0ea5e9 100%);
    border-radius: 4px 4px 0 0;
    transition: all 0.3s ease;
    animation: barGrow 1s ease-out forwards;
    transform-origin: bottom;
}

@keyframes barGrow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

.chart-bar:hover {
    background: linear-gradient(180deg, #2563eb 0%, #0284c7 100%);
    transform: scaleY(1.05);
}

.status-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.status-item-large {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: rgba(248, 250, 252, 0.5);
    border-radius: 14px;
    transition: all 0.3s ease;
}

[data-theme="dark"] .status-item-large {
    background: rgba(15, 23, 42, 0.5);
}

.status-item-large:hover {
    background: rgba(248, 250, 252, 0.8);
}

[data-theme="dark"] .status-item-large:hover {
    background: rgba(15, 23, 42, 0.8);
}

.status-icon-large {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
}

.status-icon-large.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.2) 100%);
    color: #f59e0b;
}

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

.status-info {
    flex: 1;
}

.status-name {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.status-value {
    font-size: 13px;
    color: #10b981;
    font-weight: 500;
}

.status-value.warning {
    color: #f59e0b;
}

.status-time {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.status-badge {
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

/* Floating Cards */
.floating-cards {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    animation: floatCard 6s ease-in-out infinite;
}

[data-theme="dark"] .floating-card {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(51, 65, 85, 0.6);
}

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

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

.floating-card-2 {
    bottom: 80px;
    left: -40px;
    animation-delay: -2s;
}

.floating-card-3 {
    bottom: -20px;
    right: 20px;
    animation-delay: -4s;
}

.floating-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.floating-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.floating-icon.purple {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.floating-icon svg {
    width: 20px;
    height: 20px;
}

.floating-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.floating-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.floating-sub {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ========== 合作伙伴 ========== */
.partners {
    margin-bottom: 80px;
    text-align: center;
}

.partners-header {
    margin-bottom: 40px;
}

.partners-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.partners-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.partners-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.partner-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-secondary);
    opacity: 0.5;
    transition: all 0.3s ease;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    border: 1px solid rgba(226, 232, 240, 0.4);
}

[data-theme="dark"] .partner-logo {
    background: rgba(30, 41, 59, 0.5);
}

.partner-logo:hover {
    opacity: 1;
    color: var(--primary-600);
    transform: translateY(-4px);
}

/* ========== 核心功能区域 ========== */
.features {
    margin-bottom: 80px;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: 16px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.features-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 32px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .feature-card {
    background: #1e293b;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-card.featured {
    border-color: rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

[data-theme="dark"] .feature-card.featured {
    background: linear-gradient(135deg, #1e293b 0%, #1e3a5f 100%);
}

.feature-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    color: white;
    font-size: 11px;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: white;
}

.feature-icon.blue {
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
}

.feature-icon.green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.feature-icon.purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.feature-icon.orange {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

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

.feature-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.feature-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.feature-stats {
    display: flex;
    gap: 24px;
    padding: 16px 0;
    border-top: 1px solid rgba(226, 232, 240, 0.4);
    border-bottom: 1px solid rgba(226, 232, 240, 0.4);
    margin-bottom: 20px;
}

.feature-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.feature-stat-value {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-600);
}

.feature-stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.feature-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-600);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.feature-link:hover {
    gap: 12px;
}

.feature-link svg {
    width: 18px;
    height: 18px;
}

/* ========== 数据统计区域 ========== */
.stats {
    margin-bottom: 80px;
    position: relative;
    padding: 64px 48px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 24px;
    overflow: hidden;
}

[data-theme="dark"] .stats {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.stats-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.stats-orb {
    position: absolute;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    border-radius: 50%;
    filter: blur(60px);
    top: -100px;
    right: -100px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: 32px 24px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s ease;
}

[data-theme="dark"] .stat-card {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(51, 65, 85, 0.6);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.stat-icon.blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(14, 165, 233, 0.15) 100%);
    color: #3b82f6;
}

.stat-icon.green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
    color: #10b981;
}

.stat-icon.purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
    color: #8b5cf6;
}

.stat-icon.orange {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.15) 100%);
    color: #f59e0b;
}

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

.stat-number {
    display: block;
    font-size: 40px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

/* ========== 价格方案 ========== */
.pricing {
    margin-bottom: 80px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.toggle-label {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-label.active {
    color: var(--primary-600);
    font-weight: 600;
}

.discount-badge {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 4px;
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch label {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(226, 232, 240, 0.6);
    border-radius: 28px;
    transition: all 0.3s ease;
}

.toggle-switch label::before {
    position: absolute;
    content: '';
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.toggle-switch input:checked + label {
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
}

.toggle-switch input:checked + label::before {
    transform: translateX(28px);
}

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

.pricing-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 32px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.4s ease;
    position: relative;
}

[data-theme="dark"] .pricing-card {
    background: #1e293b;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular {
    border-color: rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    transform: scale(1.05);
}

[data-theme="dark"] .pricing-card.popular {
    background: linear-gradient(135deg, #1e293b 0%, #1e3a5f 100%);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

.pricing-header-card {
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 24px;
}

.price-currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-primary);
}

.price-period {
    font-size: 16px;
    color: var(--text-secondary);
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(226, 232, 240, 0.4);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li svg {
    width: 18px;
    height: 18px;
    color: #10b981;
    flex-shrink: 0;
}

.pricing-features li.disabled {
    color: var(--text-secondary);
    opacity: 0.5;
}

.pricing-features li.disabled svg {
    color: #ef4444;
}

/* ========== 客户评价 ========== */
.testimonials {
    margin-bottom: 80px;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 48px;
}

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

.testimonial-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 32px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.4s ease;
}

[data-theme="dark"] .testimonial-card {
    background: #1e293b;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-rating svg {
    width: 18px;
    height: 18px;
    color: #fbbf24;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* ========== FAQ ========== */
.faq {
    margin-bottom: 80px;
}

.faq-header {
    text-align: center;
    margin-bottom: 48px;
}

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

.faq-item {
    background: #ffffff;
    border-radius: 16px;
    margin-bottom: 16px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    overflow: hidden;
    transition: all 0.3s ease;
}

[data-theme="dark"] .faq-item {
    background: #1e293b;
}

.faq-item:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.faq-item.active .faq-question svg {
    transform: rotate(45deg);
    color: var(--primary-600);
}

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ========== CTA ========== */
.cta {
    margin-bottom: 80px;
    padding: 80px 48px;
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    border-radius: 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 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");
}

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

.cta-title {
    font-size: 40px;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

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

.cta .btn-primary {
    background: white;
    color: #3b82f6;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.cta .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ========== Footer ========== */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding: 64px 24px 32px;
    margin-top: auto;
}

[data-theme="light"] .footer {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .footer-main {
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

[data-theme="light"] .footer-brand .logo-text {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

.footer-desc {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    max-width: 320px;
}

[data-theme="light"] .footer-desc {
    color: var(--text-secondary);
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

[data-theme="light"] .social-link {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
}

.social-link:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    color: white;
    transform: translateY(-2px);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.footer-title {
    font-size: 14px;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

[data-theme="light"] .footer-title {
    color: var(--text-primary);
}

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

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

.footer-column a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

[data-theme="light"] .footer-column a {
    color: var(--text-secondary);
}

.footer-column a:hover {
    color: #3b82f6;
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="light"] .footer-bottom p {
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: all 0.3s ease;
}

[data-theme="light"] .footer-legal a {
    color: var(--text-muted);
}

.footer-legal a:hover {
    color: #3b82f6;
}

/* ========== 移动端导航菜单 ========== */
.nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    list-style: none;
    padding: 16px;
    display: none;
    flex-direction: column;
    gap: 4px;
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    visibility: hidden;
}

[data-theme="dark"] .nav-menu {
    background: rgba(15, 23, 42, 0.98);
    border-bottom-color: rgba(51, 65, 85, 0.6);
}

.nav-menu.active {
    display: flex;
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-menu li a {
    display: block;
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-menu li a:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-600);
    padding-left: 20px;
}

.nav-menu .nav-auth-link {
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.nav-menu .nav-auth-link.login {
    color: var(--text-secondary);
}

.nav-menu .nav-auth-link.register {
    background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    color: white;
    text-align: center;
    font-weight: 600;
}

.nav-menu .nav-auth-link.register:hover {
    padding-left: 16px;
    opacity: 0.9;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .hero-content-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-8px);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 48px 32px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .cta-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .top-announcement {
        padding: 8px 16px;
        height: auto;
        min-height: 32px;
    }
    
    .top-announcement .announcement-content {
        flex-wrap: wrap;
        font-size: 13px;
        gap: 8px;
    }
    
    .announcement-link {
        margin-left: 0;
        width: 100%;
    }
    
    .header {
        height: 64px;
        top: 0;
    }
    
    .header-content {
        height: 64px;
    }
    
    .nav-menu {
        top: 64px;
        max-height: calc(100vh - 64px);
    }
    
    .logo-icon {
        width: 36px;
        height: 36px;
    }
    
    .logo-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .header-actions .nav-auth-btn {
        display: none;
    }
    
    .main-content {
        margin-top: 64px;
        padding: 24px 16px;
    }
    
    .hero {
        padding: 32px 20px;
        margin-bottom: 48px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .hero-stat {
        min-width: calc(50% - 12px);
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .floating-cards {
        display: none;
    }
    
    .partners-logos {
        gap: 24px;
    }
    
    .partner-logo {
        padding: 12px 16px;
        font-size: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        padding: 32px 24px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .cta {
        padding: 48px 24px;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 16px;
    }
    
    .logo-text {
        display: none;
    }
    
    .hero {
        padding: 24px 16px;
        border-radius: 20px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 14px;
    }
    
    .visual-card-main {
        border-radius: 16px;
    }
    
    .feature-card,
    .pricing-card,
    .testimonial-card,
    .faq-item {
        padding: 24px;
        border-radius: 16px;
    }
    
    .stats {
        border-radius: 16px;
    }
    
    .cta {
        border-radius: 20px;
    }
}