/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family-primary);
}

/* 设计令牌系统 */
:root {
    /* 颜色系统 */
    /* 主色调 */
    --color-primary-500: #06b6d4;
    --color-primary-600: #14b8a6;
    --color-primary-gradient: linear-gradient(135deg, #06b6d4 0%, #14b8a6 100%);
    
    /* 背景色 */
    --color-background-primary: #0f172a;
    --color-background-secondary: #112222;
    --color-background-gradient: linear-gradient(135deg, #0f172a 0%, #112222 100%);
    
    /* 卡片背景 */
    --color-card-background: rgba(17, 34, 34, 0.8);
    --color-card-hover-background: rgba(6, 182, 212, 0.05);
    
    /* 文本颜色 */
    --color-text-primary: #e2e8f0;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-text-heading: #f8fafc;
    
    /* 辅助色 */
    --color-warning-500: #fdcb6e;
    --color-warning-600: #f59e0b;
    --color-warning-gradient: linear-gradient(135deg, #fdcb6e 0%, #f59e0b 100%);
    
    /* 边框色 */
    --color-border: rgba(6, 182, 212, 0.1);
    --color-border-hover: rgba(6, 182, 212, 0.3);
    
    /* 排版系统 */
    --font-family-primary: "Inter", "Microsoft YaHei", sans-serif;
    
    /* 字号系统 - 桌面端 */
    --font-size-hero-title: 56px;
    --font-size-section-title: 40px;
    --font-size-card-title: 24px;
    --font-size-subtitle: 20px;
    --font-size-body: 18px;
    --font-size-caption: 16px;
    --font-size-small: 14px;
    --font-size-tiny: 12px;
    
    /* 字号系统 - 移动端 */
    --font-size-mobile-hero-title: 36px;
    --font-size-mobile-section-title: 24px;
    --font-size-mobile-card-title: 20px;
    --font-size-mobile-body: 16px;
    --font-size-mobile-caption: 14px;
    
    /* 字重系统 */
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* 间距系统 */
    --spacing-unit: 4px;
    --spacing-2xs: calc(var(--spacing-unit) * 2); /* 8px */
    --spacing-xs: calc(var(--spacing-unit) * 3); /* 12px */
    --spacing-sm: calc(var(--spacing-unit) * 4); /* 16px */
    --spacing-md: calc(var(--spacing-unit) * 5); /* 20px */
    --spacing-lg: calc(var(--spacing-unit) * 6); /* 24px */
    --spacing-xl: calc(var(--spacing-unit) * 8); /* 32px */
    --spacing-2xl: calc(var(--spacing-unit) * 10); /* 40px */
    --spacing-3xl: calc(var(--spacing-unit) * 15); /* 60px */
    --spacing-4xl: calc(var(--spacing-unit) * 20); /* 80px */
    
    /* 区块间距 */
    --spacing-section-padding: 80px 0;
    --spacing-mobile-section-padding: 40px 0;
    --spacing-hero-padding: 120px 0 80px;
    
    /* 圆角系统 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 阴影系统 */
    --shadow-sm: 0 4px 12px rgba(6, 182, 212, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 20px rgba(6, 182, 212, 0.4);
    --shadow-xl: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.2);
    
    /* 过渡系统 */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    --transition-slow: all 0.5s ease;
}

/* 现代字体导入 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* 全局样式 */
html {
    height: 100%;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    width: 100vw !important;
    max-width: 100vw !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
}

body {
    font-family: var(--font-family-primary);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-background-gradient);
    overflow-x: hidden !important;
    overflow-y: auto !important;
    min-height: 100%;
    position: relative;
    width: 100vw !important;
    max-width: 100vw !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
}

/* 确保所有元素都不会导致水平滚动 */
* {
    box-sizing: border-box !important;
    max-width: 100vw !important;
}

/* 修复容器元素 */
.container {
    width: 100% !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 var(--spacing-lg) !important;
    box-sizing: border-box !important;
}

/* 确保没有元素会超出视口宽度 */
img, video, iframe {
    max-width: 100% !important;
    height: auto !important;
}

/* 防止任何fixed定位的元素影响页面高度 */
body > div[style*="position: fixed"],
body > div[style*="position:fixed"] {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    pointer-events: none !important;
    z-index: 9999 !important;
}

/* 确保fixed定位的子元素可以交互 */
body > div[style*="position: fixed"] > *,
body > div[style*="position:fixed"] > * {
    pointer-events: auto !important;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* 导航栏 */
.header {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-nav);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    transition: var(--transition-base);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 88px;
}

.logo {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo i {
    margin-right: 12px;
    font-size: 32px;
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 48px;
    list-style: none;
}

.nav-menu li a {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
    position: relative;
    padding: 8px 0;
}

.nav-menu li a:hover {
    color: var(--color-primary-500);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary-gradient);
    transition: width 0.3s ease;
}

.nav-menu li a:hover::after {
    width: 100%;
}

/* 按钮样式 */
.btn {
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--color-primary-gradient);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background: rgba(17, 34, 34, 0.8);
    color: var(--color-primary-500);
    border: 2px solid var(--color-primary-500);
}

.btn-secondary:hover {
    background: var(--color-primary-500);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-tertiary {
    background: rgba(148, 163, 184, 0.1);
    color: var(--color-text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.btn-tertiary:hover {
    background: rgba(148, 163, 184, 0.2);
    color: var(--color-primary-500);
    border-color: var(--color-primary-500);
    transform: translateY(-2px);
}

.nav-login {
    display: flex;
    gap: 20px;
    align-items: center;
}

/* 英雄区 */
.hero {
    margin-top: 88px;
    padding: var(--spacing-hero-padding);
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(17, 34, 34, 0.9) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 10s ease-in-out infinite reverse;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* 移动端英雄区布局 */
@media (max-width: 767px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(253, 203, 110, 0.1), rgba(251, 146, 60, 0.1));
    border: 1px solid rgba(253, 203, 110, 0.2);
    border-radius: 20px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-warning-500);
    margin-bottom: 20px;
    animation: slideInLeft 0.8s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-title {
    font-size: var(--font-size-hero-title);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    color: var(--color-text-heading);
    margin-bottom: 28px;
    animation: slideInUp 0.8s ease 0.2s both;
}

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

.hero-desc {
    font-size: var(--font-size-subtitle);
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
    animation: slideInUp 0.8s ease 0.4s both;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    animation: slideInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
    animation: slideInUp 0.8s ease 0.8s both;
}

.hero-stats .stat-item {
    display: flex;
    flex-direction: column;
}

.hero-stats .stat-number {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.hero-stats .stat-label {
    font-size: 14px;
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-medium);
}

.hero-visual {
    animation: slideInRight 0.8s ease 0.4s both;
}

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

.hero-image-container {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(6, 90, 106, 0.3);
    transition: transform 0.5s ease;
}

.hero-image-container:hover {
    transform: translateY(-8px) scale(1.02);
}

.hero-img {
    border-radius: 24px;
    width: 100%;
    height: auto;
    display: block;
}

.hero-image-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 12px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-heading);
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.feature-tag:nth-child(1) {
    animation-delay: 1s;
}

.feature-tag:nth-child(2) {
    animation-delay: 1.2s;
}

.feature-tag:nth-child(3) {
    animation-delay: 1.4s;
}

.feature-tag:nth-child(4) {
    animation-delay: 1.6s;
}

.feature-tag i {
    color: var(--color-primary-500);
}

/* 政策预警 */
.policy-alert {
    background: linear-gradient(135deg, rgba(255, 243, 205, 0.15), rgba(255, 234, 167, 0.15));
    border-radius: 16px;
    padding: 30px;
    margin-top: 60px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 12px 40px rgba(253, 203, 110, 0.15);
    position: relative;
    z-index: 2;
    border: 1px solid rgba(253, 203, 110, 0.2);
    animation: slideInUp 0.8s ease 1s both;
}

.alert-icon {
    width: 60px;
    height: 60px;
    background: var(--color-warning-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(253, 203, 110, 0.3);
}

.alert-icon i {
    font-size: 32px;
    color: #fff;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-warning-500);
    margin-bottom: 8px;
}

.alert-text {
    font-size: 16px;
    color: var(--color-text-heading);
    line-height: 1.6;
}

.alert-btn {
    padding: 12px 24px;
    background: var(--color-warning-500);
    color: var(--color-background-primary);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition-base);
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(253, 203, 110, 0.3);
}

.alert-btn:hover {
    background: var(--color-warning-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(253, 203, 110, 0.4);
}

/* 功能板块 */
.features {
    padding: 100px 0;
    background: rgba(15, 23, 42, 0.9);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: var(--font-size-section-title);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-heading);
    margin-bottom: 16px;
}

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

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

/* 移动端功能板块布局 */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 767px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
}

.feature-card {
    background: rgba(30, 41, 59, 0.8);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(56, 189, 248, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #38bdf8, #60a5fa);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(56, 189, 248, 0.3);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    transition: all 0.4s ease;
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, #38bdf8, #60a5fa);
}

.feature-icon i {
    font-size: 40px;
    color: #38bdf8;
    transition: all 0.4s ease;
}

.feature-card:hover .feature-icon i {
    color: #fff;
    transform: scale(1.1);
}

.feature-title {
    font-size: 22px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-heading);
    margin-bottom: 16px;
}

.feature-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

/* 统计数据 */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f4c81, #1a5f99);
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-item::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -30px;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
}

.stat-item:last-child::after {
    display: none;
}

/* 移动端统计板块布局 */
@media (max-width: 767px) {
    .stats {
        padding: 60px 0;
    }
    
    .stat-item {
        text-align: center;
        margin-bottom: 30px;
    }
    
    .stat-item::after {
        display: none;
    }
    
    .stat-number {
        font-size: 36px;
    }
}

.stat-number {
    font-size: 48px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff, #a5d8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: var(--font-weight-medium);
}

/* 案例板块 */
.cases {
    padding: 100px 0;
    background: rgba(30, 41, 59, 0.8);
}

.case-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

/* 移动端案例板块布局 */
@media (max-width: 1024px) {
    .case-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 767px) {
    .case-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cases {
        padding: 60px 0;
    }
}

.case-card {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid rgba(56, 189, 248, 0.1);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(56, 189, 248, 0.3);
}

.case-header {
    background: linear-gradient(135deg, #38bdf8, #60a5fa);
    color: #fff;
    padding: 32px;
}

.case-title {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 8px;
}

.case-desc {
    font-size: 14px;
    opacity: 0.9;
}

.case-content {
    padding: 32px;
}

.case-data {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 24px;
}

.case-data-item {
    text-align: center;
}

.case-data-num {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: #38bdf8;
    margin-bottom: 4px;
}

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

/* 底部 */
.footer {
    background: #0f172a;
    color: #e2e8f0;
    padding: 80px 0 40px;
}

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

/* 移动端页脚布局 */
@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 767px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer {
        padding: 60px 0 30px;
    }
    
    .footer-logo {
        justify-content: center;
    }
}

.footer-logo {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, #a5d8ff, #4dabf7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo i {
    margin-right: 12px;
    font-size: 36px;
}

.footer-desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--color-text-secondary);
    font-size: 15px;
}

.footer-contact i {
    color: #4dabf7;
    font-size: 18px;
}

.footer-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: #fff;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(135deg, #4dabf7, #339af0);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
}

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

.footer-links li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
    display: inline-block;
    padding: 4px 0;
}

.footer-links li a:hover {
    color: #4dabf7;
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #1e293b;
    color: var(--color-text-tertiary);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .stat-item::after {
        display: none;
    }
    
    .case-list {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero-title {
        font-size: var(--font-size-mobile-hero-title);
    }
    
    .hero-desc {
        font-size: var(--font-size-mobile-body);
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .policy-alert {
        flex-direction: column;
        text-align: center;
    }
    
    .features {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: var(--font-size-mobile-section-title);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        padding: 60px 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cases {
        padding: 60px 0;
    }
    
    .footer {
        padding: 60px 0 30px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
}

/* 主容器 */
.main-container {
    margin-top: 88px;
    min-height: calc(100vh - 88px);
    display: flex;
    flex-direction: column;
}

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

.hero-title, .hero-desc, .hero-btns, .hero-img {
    animation: fadeInUp 0.8s ease;
}

.hero-desc {
    animation-delay: 0.2s;
}

.hero-btns {
    animation-delay: 0.4s;
}

.hero-img {
    animation-delay: 0.6s;
}

/* 移动端菜单样式 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-primary-500);
    cursor: pointer;
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--color-background-primary);
    z-index: 1001;
    transition: right var(--transition-base);
    padding: 80px var(--spacing-md) var(--spacing-md);
    border-left: 1px solid rgba(6, 182, 212, 0.2);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-primary-500);
    cursor: pointer;
}

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu ul li {
    margin-bottom: var(--spacing-lg);
}

.mobile-menu ul li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-subtitle);
    display: block;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-base);
}

.mobile-menu ul li a:hover, .mobile-menu ul li a.active {
    color: var(--color-primary-500);
}

.mobile-menu .nav-login {
    margin-top: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* 响应式适配 */
@media (max-width: 1365px) {
    .container {
        width: 100%;
    }
}

@media (max-width: 767px) {
    /* 隐藏桌面导航，显示移动端按钮 */
    .nav-menu {
        display: none !important;
    }
    
    .nav-login {
        display: none !important;
    }
    
    .mobile-menu-btn {
        display: block !important;
    }
}

/* Coze智能体浮动按钮样式 */
.coze-chat-button {
    position: fixed !important;
    bottom: 30px !important;
    right: 30px !important;
    z-index: 9999 !important;
    width: 60px !important;
    height: 60px !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, #06b6d4 0%, #14b8a6 100%) !important;
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.4) !important;
    transition: all 0.3s ease !important;
    pointer-events: auto !important;
}

.coze-chat-button:hover {
    transform: scale(1.1) !important;
    box-shadow: 0 6px 30px rgba(6, 182, 212, 0.6) !important;
}

/* Coze聊天窗口样式 */
.coze-chat-window {
    position: fixed !important;
    bottom: 100px !important;
    right: 30px !important;
    width: 400px !important;
    height: 600px !important;
    max-height: calc(100vh - 120px) !important;
    border-radius: 16px !important;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3) !important;
    z-index: 9998 !important;
    pointer-events: auto !important;
}

/* 确保Coze SDK创建的元素不会影响页面布局 */
body > div[class*="coze-"],
body > div[id*="coze-"],
body > div[class*="Coze-"],
body > div[id*="Coze-"] {
    max-width: 100vw !important;
    box-sizing: border-box !important;
}

/* 移动端Coze样式调整 */
@media (max-width: 767px) {
    .coze-chat-button {
        bottom: 20px !important;
        right: 20px !important;
        width: 50px !important;
        height: 50px !important;
    }
    
    .coze-chat-window {
        bottom: 80px !important;
        right: 10px !important;
        left: 10px !important;
        width: auto !important;
        height: calc(100vh - 100px) !important;
        max-height: none !important;
    }
}

/* 交易板块样式 */
/* 英雄区 */
.hero.transaction {
    margin-top: 88px;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(20, 184, 166, 0.1) 100%);
    border-radius: 0 0 20px 20px;
    margin-bottom: 60px;
}

.hero.transaction .hero-content {
    text-align: center;
}

.hero.transaction .hero-title {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #06b6d4, #14b8a6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.hero.transaction .hero-desc {
    font-size: 18px;
    color: #cbd5e1;
    max-width: 800px;
    margin: 0 auto 40px;
}

/* 控制面板 */
.control-panel {
    background: rgba(30, 41, 59, 0.8);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    margin-bottom: 40px;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.control-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.control-title {
    font-size: 20px;
    font-weight: 600;
    color: #f8fafc;
}

.control-tabs {
    display: flex;
    gap: 10px;
}

.tab-btn {
    padding: 8px 20px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #cbd5e1;
}

.tab-btn.active {
    background: #06b6d4;
    color: #fff;
    border-color: #06b6d4;
}

.tab-btn:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: #06b6d4;
}

/* 筛选区 */
.filter-section {
    background: rgba(30, 41, 59, 0.8);
    border-radius: 12px;
    padding: 20px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    margin-bottom: 30px;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 20px;
}

.filter-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 150px;
}

.filter-label {
    font-size: 14px;
    color: #cbd5e1;
}

.filter-select {
    padding: 10px 15px;
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    transition: border 0.3s ease;
    background: rgba(15, 23, 42, 0.6);
    color: #f8fafc;
}

.filter-select:focus {
    border-color: #06b6d4;
}

.filter-input {
    padding: 10px 15px;
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    transition: border 0.3s ease;
    background: rgba(15, 23, 42, 0.6);
    color: #f8fafc;
}

.filter-input:focus {
    border-color: #06b6d4;
}

.filter-btn {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

/* 产品列表 */
.products-section {
    margin-bottom: 60px;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: #f8fafc;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: rgba(30, 41, 59, 0.8);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    border: 1px solid rgba(6, 182, 212, 0.1);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(6, 182, 212, 0.3);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #0f4c81, #1a5f99);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 48px;
}

.product-info {
    padding: 20px;
    flex: 1;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 10px;
}

.product-desc {
    font-size: 14px;
    color: #cbd5e1;
    margin-bottom: 15px;
    line-height: 1.5;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    font-size: 12px;
    color: #94a3b8;
}

.meta-value {
    font-size: 16px;
    font-weight: 600;
    color: #06b6d4;
    margin-top: 4px;
}

.product-actions {
    padding: 0 20px 20px;
    display: flex;
    gap: 10px;
}

/* 发布产品卡片 */
.publish-card {
    background: rgba(30, 41, 59, 0.4);
    border: 2px dashed rgba(6, 182, 212, 0.3);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.publish-card:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: #06b6d4;
    transform: translateY(-5px);
}

.publish-icon {
    font-size: 48px;
    color: #06b6d4;
    margin-bottom: 20px;
}

.publish-title {
    font-size: 18px;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 10px;
}

.publish-desc {
    font-size: 14px;
    color: #cbd5e1;
    margin-bottom: 20px;
}

/* 进销存打通提示 */
.inventory-connect {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 30px;
}

.connect-icon {
    font-size: 48px;
    color: #06b6d4;
}

.connect-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 10px;
}

.connect-content p {
    font-size: 16px;
    color: #cbd5e1;
    margin-bottom: 15px;
}

/* 交易板块响应式 */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .hero.transaction .hero-title {
        font-size: 28px;
    }
    
    .hero.transaction .hero-desc {
        font-size: 16px;
    }
    
    .control-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .filter-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .filter-item {
        min-width: 100%;
    }
    
    .filter-btn {
        flex-direction: column;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .inventory-connect {
        flex-direction: column;
        text-align: center;
    }
}

/* 首页特定样式 */
/* 英雄区 */
.hero.home {
    margin-top: 88px;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(17, 34, 34, 0.9) 100%);
    position: relative;
    overflow: hidden;
}

.hero.home::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

.hero.home::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 10s ease-in-out infinite reverse;
}

.hero.home .hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero.home .hero-text {
    max-width: 600px;
}

.hero.home .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(253, 203, 110, 0.1), rgba(251, 146, 60, 0.1));
    border: 1px solid rgba(253, 203, 110, 0.2);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-warning-500);
    margin-bottom: 20px;
    animation: slideInLeft 0.8s ease;
}

.hero.home .hero-title {
    font-size: var(--font-size-hero-title);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    color: var(--color-text-heading);
    margin-bottom: 28px;
    animation: slideInUp 0.8s ease 0.2s both;
}

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

.hero.home .hero-desc {
    font-size: var(--font-size-subtitle);
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
    animation: slideInUp 0.8s ease 0.4s both;
}

.hero.home .hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    animation: slideInUp 0.8s ease 0.6s both;
}

.hero.home .hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
    animation: slideInUp 0.8s ease 0.8s both;
}

.hero.home .hero-stats .stat-item {
    display: flex;
    flex-direction: column;
}

.hero.home .hero-stats .stat-number {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.hero.home .hero-stats .stat-label {
    font-size: 14px;
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-medium);
}

.hero.home .hero-visual {
    animation: slideInRight 0.8s ease 0.4s both;
}

.hero.home .hero-image-container {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(6, 90, 106, 0.3);
    transition: transform 0.5s ease;
}

.hero.home .hero-image-container:hover {
    transform: translateY(-8px) scale(1.02);
}

.hero.home .hero-img {
    border-radius: 24px;
    width: 100%;
    height: auto;
    display: block;
}

.hero.home .hero-image-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero.home .feature-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-heading);
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.hero.home .feature-tag:nth-child(1) {
    animation-delay: 1s;
}

.hero.home .feature-tag:nth-child(2) {
    animation-delay: 1.2s;
}

.hero.home .feature-tag:nth-child(3) {
    animation-delay: 1.4s;
}

.hero.home .feature-tag:nth-child(4) {
    animation-delay: 1.6s;
}

.hero.home .feature-tag i {
    color: var(--color-primary-500);
}

/* 政策预警 */
.policy-alert {
    background: linear-gradient(135deg, rgba(255, 243, 205, 0.15), rgba(255, 234, 167, 0.15));
    border-radius: 16px;
    padding: 30px;
    margin-top: 60px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 12px 40px rgba(253, 203, 110, 0.15);
    position: relative;
    z-index: 2;
    border: 1px solid rgba(253, 203, 110, 0.2);
    animation: slideInUp 0.8s ease 1s both;
}

.policy-alert .alert-icon {
    width: 60px;
    height: 60px;
    background: var(--color-warning-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(253, 203, 110, 0.3);
}

.policy-alert .alert-icon i {
    font-size: 32px;
    color: #fff;
}

.policy-alert .alert-content {
    flex: 1;
}

.policy-alert .alert-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-warning-500);
    margin-bottom: 8px;
}

.policy-alert .alert-text {
    font-size: 16px;
    color: var(--color-text-heading);
    line-height: 1.6;
}

.policy-alert .alert-btn {
    padding: 12px 24px;
    background: var(--color-warning-500);
    color: var(--color-background-primary);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition-base);
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(253, 203, 110, 0.3);
}

.policy-alert .alert-btn:hover {
    background: var(--color-warning-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(253, 203, 110, 0.4);
}

/* 首页响应式 */
@media (max-width: 1024px) {
    .hero.home .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero.home .hero-btns {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .hero.home {
        padding: 80px 0 60px;
    }
    
    .hero.home .hero-title {
        font-size: var(--font-size-mobile-hero-title);
    }
    
    .hero.home .hero-desc {
        font-size: var(--font-size-mobile-body);
    }
    
    .hero.home .hero-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .policy-alert {
        flex-direction: column;
        text-align: center;
    }
}

/* 移动端菜单样式 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-primary-500);
    cursor: pointer;
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--color-background-primary);
    z-index: 1001;
    transition: right var(--transition-base);
    padding: 80px var(--spacing-md) var(--spacing-md);
    border-left: 1px solid rgba(6, 182, 212, 0.2);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-primary-500);
    cursor: pointer;
}

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu ul li {
    margin-bottom: var(--spacing-lg);
}

.mobile-menu ul li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-subtitle);
    display: block;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-base);
}

.mobile-menu ul li a:hover, .mobile-menu ul li a.active {
    color: var(--color-primary-500);
}

.mobile-menu .nav-login {
    margin-top: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* 响应式适配 */
@media (max-width: 1365px) {
    .container {
        width: 100%;
    }
}

@media (max-width: 767px) {
    /* 隐藏桌面导航，显示移动端按钮 */
    .nav-menu {
        display: none !important;
    }
    
    .nav-login {
        display: none !important;
    }
    
    .mobile-menu-btn {
        display: block !important;
    }
}