/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 移动端触摸优化 */
button, .cta-button, .primary-button, .nav-link {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* 防止移动端字体缩放 */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

:root {
    --primary-color: #007aff;
    --primary-dark: #0056cc;
    --primary-light: #4da3ff;
    --secondary-color: #34c759;
    --accent-color: #ff9500;
    --error-color: #ff3b30;
    --warning-color: #ffcc02;
    --text-color: #1d1d1f;
    --text-secondary: #515154;
    --text-tertiary: #86868b;
    --bg-color: #ffffff;
    --bg-light: #f5f5f7;
    --bg-section: #fbfbfd;
    --bg-dark: #000000;
    --border-color: #d2d2d7;
    --border-light: #f2f2f7;
    --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-medium: 0 8px 40px rgba(0, 0, 0, 0.08);
    --shadow-strong: 0 12px 60px rgba(0, 0, 0, 0.12);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.47059;
    color: var(--text-color);
    background-color: var(--bg-color);
    font-weight: var(--font-weight-regular);
    letter-spacing: -0.022em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo {
    width: 100px; /* 放大一倍，不增高导航栏，通过max-height限制视觉尺寸 */
    height: 50px;
    object-fit: contain;
}

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

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
}

/* 按钮样式 */
.cta-button, .primary-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius-xl);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 17px;
    box-shadow: none;
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: -0.022em;
    min-height: 44px;
    line-height: 1.2;
}

.primary-button.large {
    padding: 16px 32px;
    font-size: 18px;
}

.secondary-button {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 12px 24px;
    border-radius: var(--border-radius-xl);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    box-shadow: none;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.022em;
    min-height: 44px;
    line-height: 1.2;
}

.cta-button:hover, .primary-button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.secondary-button:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* Banner区域 */
.banner {
    padding: 70px 0 0; /* 顶部留出导航栏高度，不增加底部间距 */
    background: var(--bg-color);
}

.banner-container {
    width: 100%;
    margin: 0;
    padding: 0;
}

/* 轮播 */
.banner-slider {
    position: relative;
    width: 100%;
    height: auto; /* 高度随图片自适应 */
    overflow: hidden;
    line-height: 0; /* 避免图片底部空隙 */
}
/* 确保滑动时不露出相邻内容 */
.banner-slider, .banner-container { overflow: hidden; }

.banner-track {
    display: flex;
    width: 100%;
    height: auto;
    transition: transform 0.6s ease;
    line-height: 0;
    will-change: transform;
}

.banner-slide {
    flex: 0 0 100%;
    width: 100%;
    height: auto;
    line-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-slide img {
    width: 100%;
    height: auto;
    display: block;
}

/* 轮播箭头 */
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.4);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: background .2s ease;
}
.banner-arrow:hover { background: rgba(0,0,0,0.6); }
.banner-arrow.prev { left: 12px; }
.banner-arrow.next { right: 12px; }

@media (max-width: 768px) {
    .banner-arrow { width: 36px; height: 36px; }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, -20px) rotate(1deg); }
    66% { transform: translate(20px, -10px) rotate(-1deg); }
}



.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 64px;
    font-weight: var(--font-weight-bold);
    line-height: 1.05;
    margin-bottom: 24px;
    letter-spacing: -0.005em;
    color: var(--text-color);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.hero-subtitle {
    font-size: 28px;
    line-height: 1.14286;
    margin-bottom: 40px;
    color: var(--text-secondary);
    font-weight: var(--font-weight-regular);
    max-width: 700px;
    letter-spacing: 0.007em;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    padding: 32px 0;
    border-top: 1px solid rgba(0, 130, 255, 0.1);
    margin-top: 24px;
}

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

.stat-item::after {
    content: '';
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 50%;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-image img {
    width: 100%;
    max-width: 520px;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
    filter: drop-shadow(0 20px 40px rgba(0, 130, 255, 0.15));
}

.hero-image img:hover {
    transform: translateY(-8px) scale(1.02);
    filter: drop-shadow(0 30px 60px rgba(0, 130, 255, 0.2));
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(0, 130, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: pulse 4s ease-in-out infinite;
}

.hero-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #333;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.hero-badge span {
    display: block;
}

.hero-badge span:last-child {
    font-size: 10px;
    margin-top: 2px;
}

.hero-brand {
    margin-bottom: 24px;
}

.hero-subtitle-small {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-light);
    margin-left: 8px;
}

.hero-tagline {
    font-size: 28px;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin: 12px 0 8px 0;
    letter-spacing: -0.022em;
}

.hero-charity {
    font-size: 21px;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: 24px;
    background: var(--bg-light);
    padding: 6px 12px;
    border-radius: var(--border-radius-xl);
    display: inline-block;
    font-weight: var(--font-weight-medium);
}

.hero-product-title {
    font-size: 48px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 24px;
    color: var(--text-color);
    line-height: 1.2;
    letter-spacing: -0.003em;
    text-align: center;
}

.hero-description {
    font-size: 19px;
    line-height: 1.47059;
    color: var(--text-secondary);
    margin-bottom: 32px;
    letter-spacing: -0.021em;
}

.hero-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

.feature-item {
    padding: 12px 24px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    transition: var(--transition);
}

.feature-item:hover {
    background: white;
    box-shadow: var(--shadow-subtle);
    transform: translateY(-1px);
}

.feature-item span {
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--text-color);
    white-space: nowrap;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.3; }
}

/* 市场背景分析 */
.market-analysis {
    padding: 88px 0;
    background: white;
}

.market-overview {
    margin-bottom: 80px;
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: white;
    padding: 48px;
    border-radius: var(--border-radius-xl);
    margin-bottom: 60px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
}

.market-stat-item {
    text-align: center;
    color: var(--text-color);
    padding: 24px 16px;
    background: var(--bg-light);
    border-radius: var(--border-radius-xl);
    transition: var(--transition);
}

.market-stat-item:hover {
    transform: translateY(-2px);
    background: var(--bg-section);
    box-shadow: var(--shadow-subtle);
}

.market-stat-item .stat-number {
    display: block;
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 8px;
    color: var(--primary-color);
    letter-spacing: -0.005em;
}

.market-stat-item .stat-label {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    letter-spacing: -0.022em;
}

.pain-points h3 {
    font-size: 32px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-color);
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.pain-point-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--border-radius-xl);
    text-align: center;
    border: 2px solid #FFE5E5;
    transition: var(--transition);
}

.pain-point-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.pain-icon {
    width: 60px;
    height: 60px;
    background: #FFE5E5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.pain-icon i {
    font-size: 24px;
    color: #E53E3E;
}

.pain-point-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.pain-point-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.5;
}

.solution-highlight {
    background: white;
    padding: 48px;
    border-radius: var(--border-radius-xl);
    color: var(--text-color);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-medium);
    border: 2px solid var(--primary-color);
}

.solution-content h4 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
}

.solution-content p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 32px;
    opacity: 0.9;
}

.solution-arrow {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* 通用区块样式 */
.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-color);
    line-height: 1.2;
}

.title-tech {
    color: var(--primary-color);
    background: var(--bg-light);
    padding: 4px 12px;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--primary-color);
    font-size: 32px;
    margin: 0 8px;
    display: inline-block;
}

.title-plus {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
    margin: 0 12px;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 80px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 优势区域 */
.advantages {
    padding: 88px 0;
    background: var(--bg-section);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.advantage-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-subtle);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

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

.advantage-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.advantage-icon i {
    font-size: 28px;
    color: white;
}

.advantage-card h3 {
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 12px;
    color: var(--text-color);
    line-height: 1.16667;
    letter-spacing: -0.009em;
}

.advantage-card p {
    color: var(--text-secondary);
    line-height: 1.47059;
    font-size: 17px;
    letter-spacing: -0.022em;
}

/* 融合技术卡片特殊样式 */
.fusion-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.fusion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--primary-color) 50%, var(--secondary-color) 100%);
}

.fusion-icon {
    width: 120px;
    height: 64px;
    background: white;
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    position: relative;
}

.fusion-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.icon-plus {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.fusion-card h3 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 产品介绍 */
.products {
    padding: 110px 0;
}

.product-image-secondary {
    margin-top: 24px;
}

.product-image-secondary img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-subtle);
}

/* 公司介绍 */
.company-intro {
    padding: 110px 0;
    background: var(--bg-section);
}

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

.company-image img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-subtle);
}

.company-description h3 {
    font-size: 28px;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: 24px;
    line-height: 1.2;
}

.company-description p {
    font-size: 17px;
    line-height: 1.47059;
    color: var(--text-secondary);
    margin-bottom: 24px;
    letter-spacing: -0.022em;
}

/* 市场业务覆盖 */
.market-coverage {
    padding: 110px 0;
    background: var(--bg-color);
}

.coverage-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 600px;
    margin: 60px auto 0;
}

.stat-card {
    background: white;
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-subtle);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.stat-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.stat-card h4 {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    margin-bottom: 16px;
}

.stat-card .stat-number {
    font-size: 36px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 8px;
    display: block;
}

.stat-card p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
}

/* 服务商准入标准图片 */
.standards-image {
    margin: 40px 0;
    text-align: center;
}

.standards-image img {
    max-width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-subtle);
}

.products-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.product-image-main img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: contain;
    transition: var(--transition);
}

.product-image-main img:hover {
    transform: translateY(-8px);
}

.product-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--border-radius-xl);
    border: 2px solid transparent;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--primary-color);
    background: white;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 20px;
}

.feature-item span {
    font-weight: 500;
}

.product-specs h3 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--text-color);
}

.specs-grid {
    display: grid;
    gap: 20px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--border-radius-xl);
    border-left: 4px solid var(--primary-color);
}

.spec-label {
    font-weight: 500;
    color: var(--text-light);
}

.spec-value {
    font-weight: 600;
    color: var(--text-color);
}

/* 商业模式对比 */
.business-model {
    padding: 110px 0;
    background: var(--bg-light);
}

/* 模式对比网格 */
.model-comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin: 60px 0;
}

/* 模式卡片 */
.model-card {
    background: white;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.traditional-card {
    border-left: 4px solid var(--text-secondary);
}

.zhuachong-card {
    border-left: 4px solid var(--primary-color);
}

/* 模式头部 */
.model-header {
    padding: 24px 24px 16px;
    position: relative;
}

.model-header h3 {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    margin-bottom: 12px;
    line-height: 1.3;
}

.model-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
}

.traditional-badge {
    background: var(--bg-light);
    color: var(--text-secondary);
}

.zhuachong-badge {
    background: var(--primary-color);
    color: white;
}



/* 特性列表 */
.model-features {
    padding: 0 24px 24px;
}

.feature-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
}

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

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

.feature-value {
    font-size: 14px;
    color: var(--text-color);
    font-weight: var(--font-weight-semibold);
    text-align: right;
}

.feature-value.highlight {
    color: var(--primary-color);
}

/* 收益对比表格样式 */
.revenue-comparison {
    margin-top: 60px;
}

.revenue-comparison h3 {
    font-size: 28px;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-color);
}

/* 简单收益对比表格 */
.simple-revenue-table {
    margin-top: 40px;
    width: 100%;
    max-width: none;
}

.simple-revenue-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
}

/* 表格样式 */
.simple-revenue-table th,
.simple-revenue-table td {
    padding: 20px 32px;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.simple-revenue-table th {
    background: var(--bg-light);
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    font-size: 15px;
}

.simple-revenue-table th:first-child,
.simple-revenue-table td:first-child {
    text-align: left;
}

.simple-revenue-table th.highlight {
    background: var(--primary-color);
    color: white;
    font-weight: var(--font-weight-bold);
}

/* 表格内容样式 */
.simple-revenue-table td.highlight {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

.simple-revenue-table td.disabled {
    color: var(--text-tertiary);
    text-decoration: line-through;
}

.simple-revenue-table td.improvement {
    color: var(--secondary-color);
    font-weight: var(--font-weight-bold);
    font-size: 14px;
}

.simple-revenue-table td.improvement.new {
    color: var(--accent-color);
}

.simple-revenue-table .total-row {
    background: var(--bg-light);
    border-top: 2px solid var(--primary-color);
}

.simple-revenue-table .total-row td {
    font-size: 16px;
}

.simple-revenue-table .total-row td.highlight {
    font-size: 18px;
}

.simple-revenue-table .total-row td.improvement.total {
    color: var(--primary-color);
    font-size: 15px;
}

.comparison-table {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    margin-bottom: 40px;
}

.table-header {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.header-cell {
    padding: 20px;
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    text-align: center;
    border-right: 1px solid var(--border-color);
}

.header-cell:last-child {
    border-right: none;
}

.model-header {
    text-align: left;
}

.highlight-header {
    background: var(--primary-color);
    color: white;
}

.table-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border-light);
}

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

.total-row {
    background: var(--bg-light);
}

.row-label {
    padding: 24px 20px;
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: var(--text-color);
    display: flex;
    align-items: center;
    border-right: 1px solid var(--border-color);
}

.total-label {
    font-weight: var(--font-weight-semibold);
}

.data-cell {
    padding: 24px 20px;
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--border-color);
}

.data-cell.highlight {
    color: var(--primary-color);
    background: rgba(0, 122, 255, 0.05);
}

.data-cell.disabled {
    color: var(--text-light);
    text-decoration: line-through;
}

.data-cell.total {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
}

.advantage-cell {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--bg-section);
}

.advantage-text {
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    color: var(--success-color);
}

.advantage-icon {
    color: var(--success-color);
    font-size: 16px;
}

.total-advantage .advantage-text {
    font-size: 18px;
    color: var(--primary-color);
}

.total-advantage .advantage-icon {
    color: var(--primary-color);
    font-size: 18px;
}

.revenue-summary {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
    margin-top: 40px;
}

.summary-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-color);
}

.traditional-summary {
    border-left: 4px solid var(--text-light);
}

.zhuachong-summary {
    border-left: 4px solid var(--primary-color);
}

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

.summary-content h4 {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 8px;
    color: var(--text-color);
}

.summary-content p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.summary-value {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--text-color);
    margin-bottom: 8px;
}

.summary-value.highlight {
    color: var(--primary-color);
}

.improvement-badge {
    display: inline-block;
    background: var(--success-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
}

.summary-divider {
    display: flex;
    align-items: center;
    gap: 16px;
}

.divider-line {
    flex: 1;
    height: 2px;
    background: var(--border-color);
}

.divider-text {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-secondary);
    background: white;
    padding: 8px 16px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 80px;
}

.comparison-card {
    background: white;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.comparison-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.comparison-card.zhuachong {
    border: 2px solid var(--primary-color);
    position: relative;
}

.comparison-card.zhuachong::before {
    content: '推荐';
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.comparison-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.comparison-content {
    padding: 32px;
}

.comparison-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

.comparison-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.stat-row .label {
    font-weight: 500;
    color: var(--text-light);
}

.stat-row .value {
    font-weight: 600;
    color: var(--text-color);
}

.stat-row .value.highlight {
    color: var(--primary-color);
    font-weight: 700;
}

.vs-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    color: white;
    font-weight: 700;
    font-size: 18px;
    box-shadow: var(--shadow);
}

.revenue-example {
    background: white;
    padding: 48px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
}

.revenue-example h3 {
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-color);
}

.revenue-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.revenue-item {
    padding: 32px;
    border-radius: var(--border-radius-xl);
    border: 2px solid var(--border-color);
}

.revenue-item.zhuachong-revenue {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 130, 255, 0.05), rgba(0, 130, 255, 0.1));
}

.revenue-item h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

.revenue-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.revenue-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.revenue-line.total {
    border-top: 2px solid var(--border-color);
    padding-top: 16px;
    margin-top: 8px;
    font-weight: 600;
    font-size: 18px;
}

.revenue-line .highlight {
    color: var(--primary-color);
    font-weight: 700;
}

.revenue-improvement {
    text-align: center;
    margin-top: 16px;
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-weight: 600;
}

/* 服务商加盟政策 */
.partnership-policy {
    padding: 88px 0;
    background: var(--bg-light);
}

.partnership-levels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}

.level-card {
    background: white;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.level-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.level-card.level-a {
    border: 3px solid #FFD700;
}

.level-card.level-b {
    border: 3px solid var(--primary-color);
}

.level-card.level-c {
    border: 3px solid var(--secondary-color);
}

.level-header {
    padding: 24px;
    text-align: center;
    position: relative;
}

.level-card.level-a .level-header {
    background: linear-gradient(135deg, #FFD700, #FFA500);
}

.level-card.level-b .level-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.level-card.level-c .level-header {
    background: linear-gradient(135deg, var(--secondary-color), #059669);
}

.level-header h3 {
    color: white;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.level-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.level-requirements {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.requirement-item:last-child {
    margin-bottom: 0;
}

.requirement-item i {
    color: var(--primary-color);
    font-size: 16px;
    width: 20px;
}

.requirement-item span {
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
}

.level-benefits {
    padding: 24px;
}

.level-benefits h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
}

.level-benefits ul {
    list-style: none;
    padding: 0;
}

.level-benefits li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-light);
    position: relative;
    padding-left: 20px;
}

.level-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 600;
}

.support-services {
    margin-bottom: 60px;
}

.support-services h3 {
    font-size: 32px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-color);
}

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

.support-item {
    background: white;
    padding: 32px;
    border-radius: var(--border-radius-xl);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.support-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.support-item i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.support-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.support-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.5;
}

.guarantee-policy {
    background: white;
    padding: 32px 48px;
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-color);
    box-shadow: var(--shadow-medium);
    border: 2px solid var(--secondary-color);
}

.guarantee-content h4 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.guarantee-content p {
    font-size: 16px;
    opacity: 0.9;
}

.guarantee-icon i {
    font-size: 48px;
    color: var(--secondary-color);
    opacity: 0.8;
}

/* 公益猫粮计划 */
.charity-section {
    padding: 110px 0;
    background: linear-gradient(135deg, #FFF7ED 0%, #FEFCFB 100%);
}

.charity-content {
    margin-bottom: 60px;
}

/* 公益展示样式 */
.charity-showcase {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-color);
}

.charity-showcase h3 {
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    margin-bottom: 32px;
    color: var(--primary-color);
}

/* 公益统计卡片 */
.charity-stats-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 600px;
    margin: 0 auto;
}

.charity-stat-card {
    background: var(--bg-light);
    border-radius: var(--border-radius-xl);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.charity-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-subtle);
}

.charity-stat-card .stat-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.charity-stat-card .stat-number {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 8px;
    display: block;
}

.charity-stat-card .stat-label {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.charity-mechanism {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-color);
}

.charity-mechanism h3 {
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-color);
}

.charity-partner-showcase {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-color);
}

.charity-partner-showcase h3 {
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-color);
}

/* 公益伙伴信息卡片 */
.partner-info-card {
    display: flex;
    align-items: center;
    gap: 32px;
    background: var(--bg-light);
    border-radius: var(--border-radius-xl);
    padding: 32px;
    border: 1px solid var(--border-light);
}

.partner-logo {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
}

.partner-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.partner-details h4 {
    font-size: 21px;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: 12px;
}

.partner-details p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
}



.charity-image {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
}

.charity-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.charity-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 32px 24px 24px;
    color: white;
}

.charity-stats {
    display: flex;
    gap: 32px;
}

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

.charity-stat .number {
    display: block;
    font-size: 24px;
    font-weight: 700;
}

.charity-stat .label {
    font-size: 12px;
    opacity: 0.9;
}

.charity-info h3 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--text-color);
}

.mechanism-flow {
    display: flex;
    align-items: center;
    margin-bottom: 48px;
}

.flow-step {
    text-align: center;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin: 0 auto 16px;
}

.step-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
}

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

.flow-arrow {
    margin: 0 16px;
    color: var(--primary-color);
    font-size: 20px;
}

.charity-partner h4 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-color);
}

.partner-info {
    display: flex;
    gap: 20px;
    align-items: center;
    background: white;
    padding: 24px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
}

.partner-info img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.partner-details h5 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
}

.partner-details p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.partner-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.partner-stats span {
    font-size: 12px;
    background: var(--bg-light);
    padding: 4px 8px;
    border-radius: 12px;
    color: var(--text-color);
}

.charity-impact h3 {
    font-size: 32px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-color);
}

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

.impact-item {
    background: white;
    padding: 32px;
    border-radius: var(--border-radius-xl);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.impact-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.impact-item i {
    font-size: 32px;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.impact-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.impact-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.5;
}



/* 常见问题 */
.faq {
    padding: 88px 0;
    background: var(--bg-light);
}

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

.faq-item {
    background: white;
    border-radius: var(--border-radius-xl);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    padding: 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    user-select: none;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

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

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

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 24px 24px;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
}

/* CTA区域 */
.cta-section {
    padding: 88px 0;
    background: var(--bg-light);
    color: var(--text-color);
    text-align: center;
}

.honor-brand {
    margin-bottom: 32px;
    padding: 24px 32px;
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-color);
    display: inline-block;
}

.honor-brand h3 {
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: 8px;
    letter-spacing: -0.009em;
}

.honor-brand p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
    letter-spacing: -0.022em;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.contact-info {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.contact-info span {
    font-size: 16px;
    opacity: 0.9;
}

.contact-info strong {
    color: #FFD700;
}

/* 页脚 */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 80px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
    align-items: start;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: #9CA3AF;
    line-height: 1.47059;
    font-size: 17px;
    letter-spacing: -0.022em;
    margin-top: 16px;
}

.footer-company {
    color: var(--primary-color) !important;
    font-weight: var(--font-weight-medium) !important;
    font-size: 15px !important;
    margin-top: 8px !important;
}

.footer-contact h4 {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 24px;
    color: white;
    letter-spacing: -0.009em;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: #9CA3AF;
    font-size: 15px;
    letter-spacing: -0.022em;
}

.contact-item i {
    color: var(--primary-color);
    width: 20px;
    font-size: 16px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright p {
    color: #9CA3AF;
    font-size: 15px;
    letter-spacing: -0.022em;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 56px;
    }
    
    .hero-subtitle {
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }
    
    .products-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
        padding: 8px;
        border-radius: 4px;
        transition: background-color 0.2s ease;
    }
    
    .mobile-menu-toggle:hover {
        background-color: rgba(79, 70, 229, 0.1);
    }
    
    /* Banner区域移动端优化 */
    .hero-title {
        font-size: 42px;
    }
    
    .hero-product-title {
        font-size: 32px;
    }
    
    .hero-features {
        gap: 12px;
    }
    
    .feature-item {
        padding: 10px 20px;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 42px;
        letter-spacing: -0.01em;
    }
    
    /* 公司介绍移动端 */
    .company-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .company-description h3 {
        font-size: 24px;
    }
    
    /* 市场覆盖移动端 */
    .coverage-stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-top: 40px;
    }
    
    /* 商业模式移动端 */
    .model-comparison-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        margin: 40px 0;
    }
    
    /* 新的图片展示移动端样式 */
    .model-image-large img,
    .charity-image-large img,
    .partner-image-large img {
        max-width: 100%;
    }
    
    .model-showcase,
    .charity-showcase,
    .charity-mechanism,
    .charity-partner-showcase {
        padding: 24px;
        margin-bottom: 32px;
    }
    
    .model-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    /* 公益部分移动端 */
    .charity-stats-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .partner-info-card {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    

    
    /* Banner移动端样式 */
    .banner { padding: 70px 0 0; }
    .banner-slider { height: auto; }
    .banner-container { padding: 0; }
    
    /* 收益对比移动端 */
    .simple-revenue-table {
        margin-top: 30px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .simple-revenue-table table {
        min-width: 600px;
    }
    
    .simple-revenue-table th,
    .simple-revenue-table td {
        padding: 12px 8px;
        font-size: 14px;
        white-space: nowrap;
    }
    
    .simple-revenue-table .total-row td.highlight {
        font-size: 16px;
    }
    
    .simple-revenue-table .total-row td.improvement.total {
        font-size: 13px;
    }
    
    /* 收益表格移动端样式 */
    .comparison-table {
        font-size: 14px;
    }
    
    .table-header {
        grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
    }
    
    .table-row {
        grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
    }
    
    .header-cell,
    .row-label,
    .data-cell,
    .advantage-cell {
        padding: 16px 12px;
        font-size: 14px;
    }
    
    .data-cell.total {
        font-size: 16px;
    }
    
    .revenue-summary {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .summary-divider {
        order: 2;
        justify-content: center;
    }
    
    .divider-line {
        display: none;
    }
    
    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 36px;
    }
    
    .hero-stats {
        gap: 32px;
        justify-content: center;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .product-features {
        grid-template-columns: 1fr;
    }
    
    .comparison-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .vs-indicator {
        order: 0;
        margin: 16px auto;
    }
    
    .comparison-card.traditional {
        order: -1;
    }
    
    .comparison-card.zhuachong {
        order: 1;
    }
    
    .revenue-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .revenue-example {
        padding: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 16px;
    }
    
    .cta-content h2 {
        font-size: 36px;
    }
    
    .cta-content p {
        font-size: 18px;
    }
    
    /* FAQ移动端优化 */
    .faq-question {
        padding: 20px 16px;
    }
    
    .faq-question h3 {
        font-size: 16px;
        line-height: 1.4;
        margin-right: 16px;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 16px 20px;
    }
    
    .faq-answer {
        padding: 0 16px;
    }
    
    .faq-answer p {
        font-size: 14px;
        line-height: 1.6;
    }
    
    /* CTA按钮移动端优化 */
    .primary-button {
        width: 100%;
        max-width: 300px;
        padding: 16px 24px;
        font-size: 16px;
        margin: 0 auto;
    }
    
    .cta-buttons {
        align-items: center;
        text-align: center;
    }
    
    .contact-info {
        text-align: center;
        margin-top: 16px;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .contact-info span {
        font-size: 14px;
        display: block;
        margin-bottom: 0;
    }
    
    .contact-info strong {
        font-size: 16px;
    }
    
    /* 市场统计卡片移动端 */
    .market-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 32px 20px;
    }
    
    .market-stat-item {
        padding: 20px 12px;
    }
    
    .market-stat-item .stat-number {
        font-size: 28px;
    }
    
    .market-stat-item .stat-label {
        font-size: 14px;
    }
    
    /* A级服务商卡片移动端 */
    .partnership-levels {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 60px;
    }
    
    .level-header {
        padding: 20px;
    }
    
    .level-header h3 {
        font-size: 20px;
    }
    
    .level-requirements {
        padding: 20px;
    }
    
    .requirement-item {
        padding: 12px 0;
    }
    
    .requirement-item span {
        font-size: 14px;
    }
    
    /* 总部链路支持卡片移动端 */
    .support-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .support-item {
        padding: 24px;
    }
    
    .support-item i {
        font-size: 28px;
    }
    
    .support-item h4 {
        font-size: 16px;
    }
    
    .support-item p {
        font-size: 14px;
    }
    
    /* 公益价值卡片移动端 */
    .impact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .impact-item {
        padding: 24px;
    }
    
    .impact-item i {
        font-size: 28px;
    }
    
    .impact-item h4 {
        font-size: 16px;
    }
    
    .impact-item p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .advantage-card,
    .case-content {
        padding: 24px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    /* 优势卡片移动端优化 */
    .advantage-card h3 {
        font-size: 20px;
    }
    
    .advantage-card p {
        font-size: 14px;
    }
    
    /* 产品特性移动端优化 */
    .feature-item {
        font-size: 14px;
        padding: 8px 16px;
    }
    
    /* 表格在极小屏幕上的优化 */
    .simple-revenue-table th,
    .simple-revenue-table td {
        padding: 8px 6px;
        font-size: 12px;
    }
    
    .simple-revenue-table .total-row td.highlight {
        font-size: 14px;
    }
    /* 极小屏高度进一步降低 */
    .banner-slider { height: auto; }
}

/* 滚动动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 加载动画 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.loaded {
    opacity: 1;
    transform: translateY(0);
}