/* 全局样式 */
:root {
    /* 主色调 - 绿色作为品牌色，仅在重点处使用 */
    --primary-color: #1d8f88;
    --primary-dark: #166e68;
    --primary-light: #2db0a8;
    
    /* 基础色调 - 使用更清爽的灰色 */
    --secondary-color: #64748b;        /* 清爽中性灰 */
    --secondary-dark: #475569;         /* 深灰 */
    --secondary-light: #94a3b8;        /* 浅灰 */
    
    /* 点缀色 - 丰富的彩色用于图标和装饰 */
    --accent-blue: #3b82f6;            /* 蓝色 - 用于链接 */
    --accent-purple: #8b5cf6;          /* 紫色 - 用于特殊装饰 */
    --accent-orange: #f59e0b;          /* 橙色 - 用于警告等 */
    --accent-red: #ef4444;             /* 红色 - 用于重要提示 */
    --accent-success: #10b981;         /* 成功绿 */
    
    /* 中性色系 */
    --text-color: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --text-muted: #cbd5e1;
    
    /* 背景色 */
    --white: #ffffff;
    --gray-light: #f8fafc;
    --gray: #e2e8f0;
    --gray-medium: #cbd5e1;
    --gray-dark: #64748b;
    --dark-bg: #1e293b;
    
    /* 渐变 - 更清爽的配色 */
    --gradient-1: linear-gradient(135deg, #64748b 0%, #475569 100%);      /* 清爽灰色渐变 */
    --gradient-2: linear-gradient(135deg, #1d8f88 0%, #64748b 100%);      /* 绿灰渐变 */
    --gradient-3: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);      /* 浅灰渐变 */
    --gradient-primary: linear-gradient(135deg, #1d8f88 0%, #2db0a8 100%); /* 主色渐变 */
    --gradient-colorful: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%); /* 彩色渐变 */
    
    /* 其他 */
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'SF Pro Display', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white);
    font-size: 16px;
    font-weight: 400;
}

.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 120px 0;
}

/* 政策页面样式 */
.policy-page {
    background-color: var(--gray-light);
}

.policy-content {
    max-width: 800px;
    margin: 40px auto;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 40px;
}

.policy-content section {
    padding: 20px 0;
}

.policy-content h1 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 2rem;
    color: var(--text-color);
}

.policy-content .last-updated {
    margin-bottom: 30px;
    color: var(--text-light);
    font-style: italic;
    font-size: 0.9rem;
}

.policy-content h2 {
    margin-top: 20px;
    margin-bottom: 15px;
    font-size: 1.5rem;
    color: var(--text-color);
}

.policy-content p, 
.policy-content ul {
    margin-bottom: 0.8rem;
    font-size: 1rem;
    line-height: 1.6;
}

.policy-content ul {
    padding-left: 20px;
}

.policy-content section {
    border-bottom: 1px solid var(--gray);
    padding-bottom: 20px;
}

.policy-content section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

@media (max-width: 768px) {
    .policy-content {
        margin: 20px auto;
        padding: 20px;
        border-radius: 0;
    }
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

a {
    text-decoration: none;
    color: var(--accent-blue);
    transition: var(--transition);
}

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

.btn {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    text-transform: none;
    letter-spacing: normal;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--white);
}

.btn-primary {
    background: var(--primary-color);
}

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

.btn-accent {
    background: var(--accent-color);
}

.btn-accent:hover {
    background: var(--accent-warm);
}

.btn-success {
    background: var(--accent-success);
}

.btn-success:hover {
    background: #059669;
}

.btn-cta {
    background: var(--primary-color) !important;
}

.btn-cta:hover {
    background: var(--primary-dark) !important;
    box-shadow: 0 8px 20px rgba(29, 143, 136, 0.3);
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    position: relative;
    padding-bottom: 20px;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* 导航栏 */
header {
    background: rgba(255, 255, 255, 1.0);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

header.scrolled {
    background: rgba(255, 255, 255, 1.0);
    box-shadow: var(--shadow-md);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: var(--transition);
    position: relative;
}

header.scrolled nav {
    padding: 15px 0;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: var(--transition);
}

.logo-img {
    height: 90px;
    width: auto;
    margin-bottom: 5px;
    transition: var(--transition);
}

header.scrolled .logo-img {
    height: 70px;
}

/* 汉堡菜单按钮 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 28px;
    padding: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1010;
    transition: var(--transition);
    gap: 6px;
}

.hamburger:hover {
    transform: scale(1.05);
}

.hamburger:hover span {
    background-color: var(--primary-color);
}

.hamburger span {
    display: block;
    height: 3px;
    width: 26px;
    background-color: var(--text-color);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 汉堡菜单激活状态 */
.hamburger.active {
    transform: scale(1.1);
}

.hamburger.active span {
    background-color: var(--primary-color);
}

/* 汉堡菜单激活状态 */
.hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0.8) rotate(180deg);
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* 移动导航菜单 */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
    padding: 120px 30px 30px;
    z-index: 999;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

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

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

.mobile-nav ul li {
    margin-bottom: 8px;
}

.mobile-nav ul li a {
    color: var(--text-color);
    font-size: 1.3rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray);
    position: relative;
}

.mobile-nav ul li a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.mobile-nav ul li a::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--primary-color);
    border-radius: 2px;
    transition: height 0.3s ease;
}

.mobile-nav ul li a:hover::before {
    height: 24px;
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-light);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

/* 英雄区域 */
.hero {
    background: 
        linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.6) 100%),
        url('/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
    padding: 200px 0 120px;
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.05"/><circle cx="20" cy="80" r="0.5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content h1,
.hero-content h2 {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: 30px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
    background: linear-gradient(45deg, #ffffff, #f8fafc);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    margin-bottom: 50px;
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-content .btn {
    font-size: 1.2rem;
    padding: 18px 40px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    text-shadow: none;
    font-weight: 600;
    text-transform: none;
    letter-spacing: normal;
    position: relative;
    overflow: hidden;
}

.hero-content .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.hero-content .btn:hover::before {
    left: 100%;
}

.hero-content .btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(29, 143, 136, 0.3);
}

/* 新增Hero区域样式 */
.hero .highlight {
    background: linear-gradient(45deg, var(--primary-light), var(--primary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-top: 10px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
    cursor: pointer;
    transition: var(--transition);
}

.scroll-arrow:hover {
    border-color: rgba(255, 255, 255, 0.8);
    color: var(--white);
    transform: scale(1.1);
}

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

/* 统计数据样式 */
.stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    justify-content: space-around;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    min-width: 120px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* 章节副标题样式 */
.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin: -40px auto 60px auto;
    max-width: 600px;
    line-height: 1.6;
}

/* 服务模块样式重构 */
.services {
    background: var(--white);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray);
    height: auto;
    display: flex;
    flex-direction: column;
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.service-card .service-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--gray-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
    transition: var(--transition);
}

.service-card .service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    color: var(--text-color);
    font-weight: 600;
}

.service-card > p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-card .service-features {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.service-card .service-features li {
    padding: 6px 0;
    color: var(--text-light);
    font-size: 0.9rem;
    position: relative;
    padding-left: 18px;
    line-height: 1.4;
}

.service-card .service-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 为服务卡片图标添加彩色 */
.service-card:nth-child(1) .service-icon {
    background: var(--accent-blue) !important;
}

.service-card:nth-child(2) .service-icon {
    background: var(--accent-orange) !important;
}

.service-card:nth-child(3) .service-icon {
    background: var(--accent-purple) !important;
}

.service-card:nth-child(4) .service-icon {
    background: var(--primary-color) !important;
}

/* 关于我们 */
.about {
    background: var(--gray-light);
    position: relative;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.about-text {
    flex: 1;
    min-width: 400px;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.about-values {
    flex: 1;
    min-width: 400px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    align-content: start;
}

.value-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.value-item i {
    font-size: 2.5rem;
    color: var(--gray-dark);
    margin-bottom: 15px;
    display: block;
}

.value-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.value-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

/* 为不同的价值观图标添加彩色 */
.value-item:nth-child(1) i {
    color: var(--accent-orange) !important;
}

.value-item:nth-child(2) i {
    color: var(--accent-purple) !important;
}

.value-item:nth-child(3) i {
    color: var(--accent-blue) !important;
}

.value-item:nth-child(4) i {
    color: var(--primary-color) !important;
}

/* 关于我们增强样式 */
.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-color);
    position: relative;
    padding-left: 20px;
}

.about-text h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 30px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* 联系我们 */
.contact {
    background-color: var(--gray-light);
}

.contact-content.centered {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
}

.contact-info {
    max-width: 600px;
    text-align: center;
    padding: 40px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
    padding: 15px;
    background: var(--gray-light);
    border-radius: 8px;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--gray-dark);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
    transition: var(--transition);
}

.contact-item:hover i {
    transform: scale(1.1);
    background: var(--primary-color);
    color: var(--white);
}

.contact-item p {
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 0;
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.social-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-light);
    border-radius: 50%;
    color: var(--gray-dark);
    font-size: 1.5rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-icon:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.contact-message {
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-top: 20px;
    padding: 20px;
    background: var(--gray-light);
    border-radius: 8px;
}

/* 页脚 */
footer {
    background: #333;
    color: var(--white);
    padding: 40px 0 20px;
    font-size: 0.9rem;
    position: relative;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
    gap: 30px;
}

.footer-logo h2 {
    color: var(--white);
    margin-bottom: 5px;
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-logo p {
    color: #ccc;
    margin: 0;
    font-size: 0.9rem;
    font-weight: normal;
}

.footer-contact {
    color: #ccc;
    margin-top: 15px;
}

.footer-contact p {
    margin: 5px 0;
    display: flex;
    align-items: center;
    font-size: 0.85rem;
}

.footer-contact i {
    margin-right: 10px;
    color: #888;
    width: 16px;
    text-align: center;
    font-size: 1rem;
}

.footer-qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-qrcode img {
    width: 120px;
    height: 120px;
    background: var(--white);
    padding: 8px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.footer-qrcode span {
    font-size: 0.8rem;
    color: #ccc;
    font-weight: normal;
}

.footer-links {
    text-align: center;
    margin-bottom: 2px;
    padding: 15px 0 5px 0;
    font-size: 0.75rem;
}

.footer-links a {
    color: #aaa;
    font-size: 0.75rem;
    transition: var(--transition);
    text-decoration: none;
}

.footer-links a:hover {
    color: #bbb;
    text-decoration: none;
}

.copyright {
    text-align: center;
    padding-top: 0px;
    font-size: 0.75rem;
    color: #aaa;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.copyright p {
    margin-bottom: 0;
    margin-right: 5px;
}

.icp-record {
    display: inline-block;
}

.icp-record a {
    color: #aaa;
}

.icp-record a:hover {
    color: #bbb;
    text-decoration: underline;
}


/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-1);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Cookie 声明横幅 */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-light);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);    z-index: 10000;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
    font-size: 0.8rem;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    min-width: 300px;
}

.cookie-text h3 {
    margin: 0 0 8px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.cookie-text p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.5;
    font-size: 0.75rem;
}

.cookie-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.cookie-text a:hover {
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.cookie-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.cookie-accept {
    background: var(--primary-color);
    color: var(--white);
}

.cookie-accept:hover {
    background: #168a82;
    transform: translateY(-1px);
}

.cookie-decline {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--gray-light);
}

.cookie-decline:hover {
    background: var(--gray-light);
    color: var(--text-color);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
    }
    
    .cookie-text {
        min-width: auto;
        text-align: center;
    }
    
    .cookie-actions {
        justify-content: center;
    }
    
    .cookie-btn {
        flex: 1;
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .cookie-actions {
        flex-direction: column;
    }
    
    .cookie-btn {
        width: 100%;
    }
}

/* 额外的颜色主题优化 */
.btn-cta {
    background: var(--primary-color) !important;
}

.btn-cta:hover {
    background: var(--primary-dark) !important;
    box-shadow: 0 8px 20px rgba(29, 143, 136, 0.3);
}

/* 确保重要按钮保持绿色品牌色 */
.hero-content .btn,
.btn-cta,
.btn-primary {
    background: var(--primary-color) !important;
}

.hero-content .btn:hover,
.btn-cta:hover,
.btn-primary:hover {
    background: var(--primary-dark) !important;
}

/* 优化导航链接的活跃状态 */
.nav-links a.active,
.nav-links a:hover::after {
    background: var(--primary-color);
}

/* footer链接保持低调 */
.footer-links a:hover {
    color: #bbb;
}

.icp-record a:hover {
    color: #999;
}

/* 减小版权文字的行高 */
.copyright p,
.copyright .icp-record {
    line-height: 1.2;
    font-size: 0.75rem;
}

/* 确保统计数字使用合适的颜色 */
.stat-number {
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        max-width: 95%;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .stats {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
      .hamburger {
        display: flex;
        /* 确保在移动端有足够的触摸区域 */
        min-width: 44px;
        min-height: 44px;
        padding: 8px;
    }
    
    .hamburger span {
        /* 在移动端让线条更明显 */
        height: 3px;
        width: 28px;
        background-color: var(--text-color);
    }
    
    .hero {
        padding: 180px 0 100px;
        min-height: 85vh;
    }
    
    .hero-content h1,
    .hero-content h2 {
        font-size: clamp(2.2rem, 7vw, 3.2rem);
    }
    
    .hero-content p {
        font-size: clamp(1rem, 4vw, 1.3rem);
        margin-bottom: 40px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 50px;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        margin: -30px auto 50px auto;
    }
    
    .about-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .about-text,
    .about-values {
        min-width: auto;
    }
    
    .about-values {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .stats {
        flex-direction: column;
        gap: 25px;
        align-items: center;
    }
    
    .stat-item {
        min-width: auto;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .service-card {
        padding: 40px 30px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .logo-img {
        height: 70px;
    }

    header.scrolled .logo-img {
        height: 60px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .hero-content .btn {
        padding: 16px 35px;
        font-size: 1rem;
    }
    
    .value-item {
        padding: 30px 20px;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .back-to-top {
        bottom: 30px;
        right: 30px;
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 160px 0 80px;
    }
    
    .hero-content h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }
    
    .btn {
        padding: 14px 25px;
        font-size: 0.95rem;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .value-item {
        padding: 25px 15px;
    }
    
    nav {
        padding: 15px 0;
    }
    
    .logo-img {
        height: 60px;
    }
    
    header.scrolled .logo-img {
        height: 50px;
    }
}

/* 移动端导航背景遮罩 */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 移动端导航栏优化 */
nav {
    padding: 12px 0;
}

header.scrolled nav {
    padding: 8px 0;
}

.logo-img {
    height: 65px;
}

header.scrolled .logo-img {
    height: 55px;
}

/* 汉堡菜单在移动端的位置调整 */
.hamburger {
    position: relative;
    z-index: 1011;
}

/* 移动端触摸优化 */
@media (hover: none) and (pointer: coarse) {
    .hamburger {
        padding: 8px;
        margin: -8px;
    }
    
    .mobile-nav ul li a {
        padding: 20px 0;
        font-size: 1.4rem;
    }
    
    .btn {
        min-height: 48px;
        padding: 16px 32px;
    }
}