/**
 * 派派电竞 - 主样式表
 * @description 网站的视觉样式定义，包含响应式布局和动画效果
 * @version 1.0.0
 * @author 派派电竞团队
 * @copyright 2026 派派电竞
 */

/* ==================== 全局变量 ==================== */
:root {
    /* 主色调 */
    --primary: #0EA5E9;
    --primary-dark: #0284C7;
    --primary-light: #38BDF8;

    /* 辅助色 */
    --secondary: #8B5CF6;
    --secondary-light: #A78BFA;

    /* 功能色 */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* 背景色 */
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-gray: #F1F5F9;
    --bg-dark: #0F172A;

    /* 文字颜色 */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --text-white: #FFFFFF;

    /* 边框和阴影 */
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

    /* 间距系统 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;

    /* 圆角系统 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* 过渡动画 */
    --transition-fast: 0.15s;
    --transition-base: 0.2s;
    --transition-slow: 0.3s;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* ==================== 工具类 ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.text-center { text-align: center; }
.text-right { text-align: right; }

/* ==================== 顶部导航 ==================== */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: box-shadow var(--transition-base);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.footer-logo {
    height: 32px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.main-nav {
    display: flex;
    gap: var(--spacing-xl);
}

.main-nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    display: inline-block;
    letter-spacing: 0.5px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left:50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 2px;
    transition: width var(--transition-base);
    transform: translateX(-50%);
}

.main-nav a:hover::after {
    width: 80%;
}

.main-nav a:hover {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.15);
}

.btn-primary {
    padding: 0.625rem 1.25rem;
    background: var(--primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ==================== 主要横幅区域 ==================== */
.hero-section {
    position: relative;
    padding: 8rem var(--spacing-md) var(--spacing-xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: 10%;
    right: 10%;
    animation: float 8s ease-in-out infinite;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    bottom: 20%;
    left: 10%;
    animation: float 12s ease-in-out infinite;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    top: 40%;
    left: 30%;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
}

.hero-section > .hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.title-highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: 3rem;
}

.btn-large {
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-large.btn-primary {
    background: var(--primary);
    color: var(--text-white);
    border: none;
}

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

.btn-large.btn-secondary {
    background: var(--bg-white);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

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

.trust-indicators {
    display: flex;
    gap: var(--spacing-xl);
}

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

.trust-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.trust-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.trust-divider {
    width: 1px;
    background: var(--border);
}

/* ==================== Dashboard 预览 ==================== */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.dashboard-preview {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 500px;
    animation: slideUp 1s ease-out;
}

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

.preview-header {
    background: var(--bg-gray);
    padding: var(--spacing-md) 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.preview-dots {
    display: flex;
    gap: 0.375rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: var(--danger); }
.dot.yellow { background: var(--warning); }
.dot.green { background: var(--success); }

.preview-title {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.preview-body {
    display: flex;
    min-height: 280px;
}

.preview-sidebar {
    width: 140px;
    background: var(--bg-light);
    border-right: 1px solid var(--border);
    padding: var(--spacing-md);
}

.sidebar-item {
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.sidebar-item.active {
    background: var(--primary);
    color: var(--text-white);
}

.sidebar-item:hover:not(.active) {
    background: var(--bg-gray);
}

.preview-main {
    flex: 1;
    padding: 1.5rem 1rem;
}

.stat-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.mini-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 0.75rem var(--spacing-sm);
    text-align: center;
    min-width: 75px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mini-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mini-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

/* ==================== 痛点问题区域 ==================== */
.pain-points {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--bg-light);
}

.pain-container {
    max-width: 1200px;
    margin: 0 auto;
}

.pain-header {
    text-align: center;
    margin-bottom: 3rem;
}

.pain-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.pain-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.pain-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
}

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

.pain-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.pain-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.pain-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== 解决方案区域 ==================== */
.solutions {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.solution-container {
    max-width: 1200px;
    margin: 0 auto;
}

.solution-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.intro-badge {
    display: inline-block;
    background: rgba(139, 92, 246, 0.1);
    color: var(--secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.solution-intro h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.solution-intro p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* 标签页 */
.solution-tabs {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.tab-buttons {
    display: flex;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    padding: 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
}

.tab-btn:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--primary);
    color: var(--text-white);
}

.tab-content {
    padding: 3rem;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn var(--transition-slow) ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.panel-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.panel-text h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.panel-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.feature-points {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.feature-points li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.feature-points i {
    color: var(--success);
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0;
    font-size: 1rem;
}

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

/* 可视化元素 */
.panel-visual {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dispatch-flow {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.flow-step {
    text-align: center;
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.step-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.order-timeline {
    width: 100%;
    max-width: 300px;
}

.timeline-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 12px;
    top: 2.5rem;
    width: 2px;
    height: calc(100% - 1rem);
    background: var(--border);
}

.timeline-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--border);
    flex-shrink: 0;
}

.timeline-item.completed .timeline-dot {
    background: var(--success);
}

.timeline-item.active .timeline-dot {
    background: var(--primary);
    animation: pulse 2s infinite;
}

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

.timeline-time {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.player-cards {
    display: flex;
    gap: var(--spacing-md);
}

.player-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    min-width: 150px;
    text-align: center;
}

.player-card.premium {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-white);
}

.player-rank {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.player-name {
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.player-stats {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    font-size: 0.75rem;
}

.finance-chart {
    width: 100%;
    max-width: 360px;
}

.chart-title {
    text-align: center;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.chart-bars {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 150px;
}

.bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.bar-value {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-primary);
}

.bar {
    width: 40px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: height var(--transition-slow) ease;
}

.bar-label {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.bar-orders {
    font-size: 0.6rem;
    color: var(--text-muted);
    opacity: 0.8;
}

.chart-summary {
    display: flex;
    justify-content: space-around;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(14, 165, 233, 0.05);
    border-radius: var(--radius-md);
    gap: 0.5rem;
}

.summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
}

.summary-label {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.summary-value {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
}

.summary-value.highlight {
    color: var(--primary);
    font-size: 1rem;
}

.summary-trend {
    font-size: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.summary-trend.up {
    color: #10B981;
}

.summary-trend.down {
    color: #EF4444;
}

.chart-footer {
    display: flex;
    justify-content: space-around;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border);
    gap: 0.5rem;
}

.footer-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.6rem;
    color: var(--text-muted);
    flex: 1;
    justify-content: center;
}

.footer-item i {
    font-size: 0.5rem;
}

.footer-item span {
    white-space: nowrap;
}

/* ==================== 产品优势 ==================== */
.features-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--bg-light);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
}

.features-header {
    text-align: center;
    margin-bottom: 3rem;
}

.features-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.features-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.feature-box {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: 900;
    color: var(--bg-gray);
    opacity: 0.5;
}

.feature-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-box p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== 客户案例 ==================== */
.customers-section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.customers-container {
    max-width: 1200px;
    margin: 0 auto;
}

.customers-header {
    text-align: center;
    margin-bottom: 3rem;
}

.customers-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.customers-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.quote-icon {
    font-size: 3rem;
    color: var(--bg-gray);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.testimonial-author {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: 1.5rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-weight: 600;
}

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

.author-title {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.testimonial-stats {
    display: flex;
    gap: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

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

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==================== 价格方案 ==================== */
.pricing-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--bg-light);
}

.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.pricing-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.pricing-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: 3rem;
}

.toggle-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    background: var(--bg-white);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.toggle-btn.active {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

.save-badge {
    background: var(--success);
    color: var(--text-white);
    padding: 0.125rem var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    margin-left: var(--spacing-sm);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.pricing-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    position: relative;
    transition: all var(--transition-slow);
}

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

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--text-white);
    padding: 0.375rem var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-align: center;
}

.plan-price {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.currency {
    font-size: 1.25rem;
    color: var(--text-primary);
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
}

.period {
    color: var(--text-muted);
    font-size: 1rem;
}

.plan-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 0.875rem;
}

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.plan-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.plan-features i {
    color: var(--success);
}

.btn-plan {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border);
    background: var(--bg-white);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-plan.primary {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

.btn-plan.primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* ==================== CTA 区域 ==================== */
.cta-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--text-white);
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

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

.cta-section .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ==================== 页脚 ==================== */
.main-footer {
    background: var(--bg-light);
    padding: 1.5rem var(--spacing-md) 1.5rem;
    border-top: 1px solid var(--border);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.brand-info h3 {
    margin-bottom: 0.25rem;
}

.brand-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 6rem;
    align-items: flex-start;
}

.link-group h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.link-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.link-separator {
    color: var(--border);
    font-size: 0.75rem;
}

/* 页脚所有链接样式（包括a标签） */
.link-row a,
.footer-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    padding: 0;
    text-decoration: none;
    transition: none;
}

/* 确保链接无hover效果 */
.link-row a:hover,
.footer-link:hover {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.footer-copyright,
.company-address {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

.footer-copyright a {
    color: var(--text-muted);
    text-decoration: none;
}

/* ==================== 模态框样式 ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn var(--transition-slow) ease;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.modal-container {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp var(--transition-slow) ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--bg-gray);
    color: var(--text-primary);
}

.modal-content {
    padding: 1.5rem;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.required {
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 0.875rem;
    background: var(--primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-submit:hover {
    background: var(--primary-dark);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

/* 成功消息样式 */
.success-message {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
    font-weight: bold;
}

.success-message h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.success-message p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* 联系销售样式 */
.contact-info-modal {
    text-align: center;
}

.contact-phone {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1.5rem 0;
    letter-spacing: 2px;
}

.contact-address {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.contact-actions {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.btn-call {
    padding: 0.875rem 2rem;
    background: var(--success);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: all var(--transition-base);
}

.btn-call:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* 功能详情内容样式 */
.feature-detail-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem 0;
    color: var(--text-primary);
}

.feature-detail-content h4:first-child {
    margin-top: 0;
}

.feature-detail-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
}

.feature-detail-content li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    line-height: 1.6;
    border-bottom: 1px solid var(--bg-light);
}

.feature-detail-content li:last-child {
    border-bottom: none;
}

.feature-detail-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ==================== 移动端菜单按钮 ==================== */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .hero-section > .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .trust-indicators {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .pain-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: scale(1) translateY(-5px);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .panel-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-md);
    }

    .main-nav.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .pain-grid {
        grid-template-columns: 1fr;
    }

    .tab-buttons {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .link-row {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .link-separator {
        display: none;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .cta-actions {
        flex-direction: column;
    }

    .modal-container {
        width: 95%;
        margin: var(--spacing-md);
    }

    .modal-header {
        padding: var(--spacing-md);
    }

    .modal-content {
        padding: var(--spacing-md);
    }

    .contact-phone {
        font-size: 1.5rem;
    }

    .contact-actions {
        flex-direction: column;
    }
}