/* 基础样式重置和变量定义 */
:root {
    /* 主题色彩 */
    --primary-color: #8BC0B9;
    --primary-light: #A7D6CF;
    --primary-dark: #5A8C85;
    --secondary-color: #5A8C85;
    --accent-color: #B2E3DB;

    /* 中性色彩 */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #8BC0B9 0%, #5A8C85 100%);
    --gradient-secondary: linear-gradient(135deg, #B2E3DB 0%, #8BC0B9 100%);
    --gradient-accent: linear-gradient(135deg, #A7D6CF 0%, #8BC0B9 100%);

    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* 边框圆角 */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* 字体 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* 动画时长 */
    --duration-fast: 0.15s;
    --duration-normal: 0.3s;
    --duration-slow: 0.5s;
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* 通用容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-normal) ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* 文本渐变 */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--duration-normal) ease;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--spacing-sm);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
}

.logo {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--border-radius-md);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: all var(--duration-normal) ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: var(--gray-50);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--duration-normal) ease;
}

/* Hero区域 */
.hero {
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    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="%23667eea" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23764ba2" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: var(--white);
    border-radius: 2rem;
    box-shadow: var(--shadow-xl);
    padding: 1rem;
    overflow: hidden;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1.5rem;
}

/* 功能特色区域 */
.features {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--duration-normal) ease;
    position: relative;
    overflow: hidden;
}

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

.feature-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
}

.feature-card.featured .feature-icon {
    color: var(--white);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.feature-card.featured .feature-icon {
    background: rgba(255, 255, 255, 0.2);
}

.feature-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: inherit;
}

.feature-description {
    color: inherit;
    opacity: 0.8;
    line-height: 1.6;
}

.feature-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(245, 158, 11, 0.9);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* 应用截图区域 */
.screenshots {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.screenshots-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.screenshot-item {
    position: relative;
    background: var(--white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) ease;
}

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

.screenshot-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: transform var(--duration-normal) ease;
}

.screenshot-item:hover .screenshot-overlay {
    transform: translateY(0);
}

.screenshot-overlay h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

/* 下载区域 */
.download {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-primary);
    color: var(--white);
}

.download-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.download-text {
    margin: 0 auto;
    max-width: 480px;
    text-align: center;
}

.download-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.download-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    line-height: 1.7;
}

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

.download-features li {
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

.qr-container {
    text-align: center;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.qr-code {
    width: 200px;
    height: 200px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius-lg);
}

.qr-container h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.qr-container p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* 下载按钮组样式 */
.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
    justify-content: center;
}

.download-btn {
    min-width: 140px;
    padding: 0.875rem 1.25rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--duration-normal) ease;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.download-btn .btn-icon {
    width: 1.5rem;
    height: 1.5rem;
}

/* 版本信息样式 */
.version-info {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.version-info p {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.version-info p:last-child {
    margin-bottom: 0;
}

.version-info strong {
    color: var(--white);
    font-weight: 600;
}

/* 联系我们区域 */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.contact-details h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-details a:hover {
    text-decoration: underline;
}

.feedback-form {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    transition: all var(--duration-normal) ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* 页脚 */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    width: 3rem;
    height: 3rem;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-md);
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

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

.footer-column h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

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

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--duration-normal) ease;
}

.footer-column ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    margin-top: 32px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 13px;
    color: rgb(176, 179, 184);
    text-align: center;
}

.footer-bottom span,
.footer-bottom a {
    color: rgb(176, 179, 184);
}

.footer-bottom a {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-bottom a:hover {
    color: #1e80ff;
}

.footer-bottom .legal-icon {
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

/* 动画延迟 */
[data-delay="0.1s"] {
    animation-delay: 0.1s;
}

[data-delay="0.2s"] {
    animation-delay: 0.2s;
}

[data-delay="0.3s"] {
    animation-delay: 0.3s;
}

[data-delay="0.4s"] {
    animation-delay: 0.4s;
}

[data-delay="0.5s"] {
    animation-delay: 0.5s;
}

[data-delay="0.6s"] {
    animation-delay: 0.6s;
}

[data-delay="0.7s"] {
    animation-delay: 0.7s;
}

[data-delay="0.8s"] {
    animation-delay: 0.8s;
}

[data-delay="0.9s"] {
    animation-delay: 0.9s;
}

[data-delay="1.0s"] {
    animation-delay: 1.0s;
}

[data-delay="1.1s"] {
    animation-delay: 1.1s;
}

[data-delay="1.2s"] {
    animation-delay: 1.2s;
}

[data-delay="1.3s"] {
    animation-delay: 1.3s;
}

[data-delay="1.4s"] {
    animation-delay: 1.4s;
}

[data-delay="1.5s"] {
    animation-delay: 1.5s;
}

[data-delay="1.6s"] {
    animation-delay: 1.6s;
}
[data-delay="1.7s"] {
    animation-delay: 1.7s;
}
[data-delay="1.8s"] {
    animation-delay: 1.8s;
}
[data-delay="1.9s"] {
    animation-delay: 1.9s;
}
[data-delay="2.0s"] {
    animation-delay: 2.0s;
}
/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content,
    .download-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 64px;
        right: 12px;
        left: auto;
        width: 80vw;
        max-width: 340px;
        min-width: 180px;
        height: auto;
        max-height: 80vh;
        overflow-y: auto;
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 16px 0 12px 0;
        border-radius: 18px;
        box-shadow: var(--shadow-xl);
        z-index: 1200;
        left: auto;
        transition: right var(--duration-normal) ease, opacity var(--duration-normal) ease;
        opacity: 0;
        pointer-events: none;
    }

    .nav-menu.active {
        right: 12px;
        opacity: 1;
        pointer-events: auto;
    }

    .nav-menu .nav-link {
        padding: 10px 18px;
        font-size: 1rem;
        border-bottom: 1px solid var(--gray-200);
        width: 100%;
        text-align: left;
        border-radius: 0;
        font-size: 0.98rem;
    }

    .nav-menu .nav-link:last-child {
        border-bottom: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 4rem 0 2rem;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .download-title {
        font-size: var(--font-size-3xl);
    }

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

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

    .screenshots-gallery {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

    .qr-code {
        width: 150px;
        height: 150px;
    }

    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .hero-text {
        margin-top: 60px;
    }

    .download-btns-modern {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    .download-btn-modern {
        min-width: 160px;
        max-width: 260px;
        width: 100%;
        box-sizing: border-box;
        padding: 14px 18px 14px 14px;
        margin: 0 auto;
    }

    .download-btn-modern .download-btn-title {
        font-size: 1.15rem;
    }

    .download-btn-modern .download-btn-icon {
        width: 32px;
        height: 32px;
        margin-right: 8px;
    }

    .download-btn-modern.miniprogram {
        max-width: 260px;
        min-width: 160px;
        width: 100%;
        box-sizing: border-box;
        margin: 0 auto;
    }

    .process-steps {
        flex-direction: column;
        gap: 0;
        align-items: center;
    }

    .process-step {
        margin-bottom: 0;
        width: 100%;
        max-width: 260px;
        display: flex;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }

    .process-arrow {
        display: block;
        position: static;
        margin: 12px 0 18px 0;
        text-align: center;
        transform: none;
        font-size: 2rem;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-image {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .download-title {
        font-size: var(--font-size-2xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-btn {
        width: 100%;
        min-width: auto;
        justify-content: center;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
}

/* Footer 主体布局 */
.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-groups {
    flex: 2;
    min-width: 320px;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer-contact {
    flex: 1;
    min-width: 260px;
    max-width: 340px;
}

.footer-qrcode-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-qrcode-card img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
}

/* Footer 联系我们右侧样式 */
.footer-contact-label {
    color: rgb(176, 179, 184);
    font-size: 15px;
    margin-bottom: 4px;
}

.footer-contact-phone {
    font-size: 24px;
    font-weight: bold;
    color: rgb(176, 179, 184);
    letter-spacing: 1px;
}

.footer-contact-address {
    color: rgb(176, 179, 184);
    font-size: 17px;
    line-height: 1.7;
}

/* Footer 分组标题 */
.footer-group-title {
    font-weight: bold;
    font-size: 20px;
    margin-bottom: 12px;
    color: #888;
}

.footer-groups a:hover {
    color: #1e80ff !important;
}

/* Footer 链接横排 */
.footer-group-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 15px;
}

.footer-group-links a {
    color: #888;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-group-links a:hover {
    color: #1e80ff;
}

/* Footer 底部备案横排样式 */
.footer-bottom {
    margin-top: 32px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 13px;
    color: rgb(176, 179, 184);
    text-align: center;
}

/* 流程步骤区块样式 */
.process-section {
    padding: 64px 0 48px 0;
    background: #fff;
    text-align: center;
}

.process-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #111;
    margin-bottom: 40px;
}

.process-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.process-step {
    background: #219387;
    color: #fff;
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: 2rem;
    padding: 0.75rem 2.5rem;
    min-width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-arrow {
    font-size: 2rem;
    color: #219387;
    margin: 0 0.5rem;
    font-weight: bold;
}

.process-cards {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.process-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(33, 147, 135, 0.08);
    padding: 32px 24px 28px 24px;
    width: 260px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s;
}

.process-card:hover {
    box-shadow: 0 6px 24px rgba(33, 147, 135, 0.16);
}

.process-icon {
    margin-bottom: 18px;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 10px;
}

.process-card-desc {
    color: #555;
    font-size: 1rem;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .process-cards {
        gap: 18px;
    }

    .process-card {
        width: 260px;
        padding: 24px 10px 20px 10px;
    }
}

@media (max-width: 768px) {
    .process-steps {
        flex-direction: column;
        gap: 0;
        align-items: center;
    }

    .process-step {
        margin-bottom: 0;
        width: 100%;
        max-width: 260px;
        display: flex;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }

    .process-arrow {
        display: block;
        position: static;
        margin: 12px 0 18px 0;
        text-align: center;
        transform: none;
        font-size: 2rem;
    }
}

.download-btns-modern {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin: 32px 0 24px 0;
}

.download-btn-modern {
    display: flex;
    align-items: center;
    background: rgba(34, 34, 34, 0.9);
    border-radius: 18px;
    padding: 18px 36px 18px 24px;
    min-width: 300px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
    text-decoration: none;
    color: #fff;
    transition: background 0.2s, transform 0.2s;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.download-btn-modern:hover {
    background: #444;
    transform: translateY(-2px) scale(1.03);
}

.download-btn-modern .download-btn-icon {
    width: 48px;
    height: 48px;
    margin-right: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.download-btn-modern .download-btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    line-height: 1.1;
}

.download-btn-modern .download-btn-label {
    font-size: 1rem;
    opacity: 0.85;
    margin-bottom: 2px;
}

.download-btn-modern .download-btn-title {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 1px;
    line-height: 1.1;
}

.download-btn-modern.android .download-btn-icon svg {
    fill: #6fff6f;
}

.download-btn-modern.ios .download-btn-icon svg {
    fill: #fff;
}

@media (max-width: 768px) {
    .download-btns-modern {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    .download-btn-modern {
        min-width: 160px;
        max-width: 260px;
        width: 100%;
        box-sizing: border-box;
        padding: 14px 18px 14px 14px;
        margin: 0 auto;
    }

    .download-btn-modern .download-btn-title {
        font-size: 1.15rem;
    }

    .download-btn-modern .download-btn-icon {
        width: 32px;
        height: 32px;
        margin-right: 8px;
    }

    .download-btn-modern.miniprogram {
        max-width: 260px;
        min-width: 160px;
        width: 100%;
        box-sizing: border-box;
        margin: 0 auto;
    }
}

.download-miniprogram-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 18px;
}

.download-btn-modern.miniprogram {
    margin: 0 auto;
    background: #2c2c2c;
    color: #fff;
    min-width: 240px;
    cursor: pointer;
    border: none;
    outline: none;
}

.miniprogram-qrcode {
    display: none;
    position: absolute;
    left: 50%;
    top: 110%;
    transform: translateX(-50%);
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 6px 32px rgba(0, 0, 0, 0.18);
    padding: 18px 18px 10px 18px;
    z-index: 20;
    text-align: center;
    min-width: 180px;
    animation: fadeInQrcode 0.18s;
}

.miniprogram-qrcode img {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    margin-bottom: 8px;
}

.miniprogram-qrcode-tip {
    color: #333;
    font-size: 15px;
    margin-top: 2px;
}

.download-miniprogram-wrapper.show-qrcode .miniprogram-qrcode {
    display: block;
}

@keyframes fadeInQrcode {
    from {
        opacity: 0;
        transform: translateX(-50%) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
}

@media (max-width: 768px) {
    .miniprogram-qrcode {
        left: 50%;
        top: 105%;
        min-width: 140px;
        padding: 10px 10px 6px 10px;
    }

    .miniprogram-qrcode img {
        width: 90px;
        height: 90px;
    }
}

/* 首页资讯区样式 */
.home-news-section {
    padding: 48px 0 32px 0;
    background: #f6f8fa;
}

.home-news-list {
    display: flex;
    flex-direction: row;
    gap: 32px;
    justify-content: center;
    align-items: stretch;
    max-width: 1100px;
    margin: 0 auto;
}

.home-news-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(33, 147, 135, 0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 340px;
    min-width: 240px;
    transition: box-shadow 0.2s, transform 0.2s;
    height: 360px;
    min-height: 360px;
    justify-content: flex-start;
}

.home-news-card:hover {
    box-shadow: 0 6px 24px rgba(33, 147, 135, 0.16);
    transform: translateY(-2px) scale(1.01);
}

.home-news-imgwrap {
    width: 100%;
    height: 180px;
    background: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.home-news-imgwrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.home-news-content {
    flex: 1 1 0%;
    min-width: 0;
    padding: 22px 22px 16px 22px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    box-sizing: border-box;
}

.home-news-title {
    font-size: 1.18rem;
    font-weight: 700;
    color: #223;
    margin-bottom: 12px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.6em;
    max-height: 2.6em;
}

.home-news-title a {
    color: inherit !important;
    text-decoration: none !important;
}

.home-news-title a:hover {
    color: #1e80ff !important;
}

.home-news-desc {
    color: #555;
    font-size: 1.01rem;
    margin-bottom: 18px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 3.4em;
    max-height: 3.4em;
}

.home-news-meta {
    font-size: 0.93rem;
    color: #888;
    margin-top: auto;
    margin-bottom: 0;
}

@media (max-width: 900px) {
    .home-news-list {
        gap: 18px;
    }

    .home-news-card {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .home-news-list {
        flex-direction: column;
        gap: 18px;
        align-items: center;
    }

    .home-news-card {
        max-width: 98vw;
        min-width: 0;
        height: auto;
        min-height: 0;
    }

    .home-news-imgwrap {
        height: 120px;
    }

    .home-news-content {
        height: auto;
        max-height: none;
        padding-bottom: 12px;
    }
}



/*侧边栏*/

.sidebar-kf {
    position: fixed;
    right: 12px;
    bottom: 12%;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.sidebar-btn {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    width: 60px;
    height: 60px;
    text-align: center;
    color: #272636;
    cursor: pointer;
    position: relative;
    transition: box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.sidebar-btn .icon {
    width: 28px;
    height: 28px;
    margin-bottom: 4px;
    fill: #272636;
}
.sidebar-btn span {
    font-size: 13px;
    line-height: 1;
}

/* 只高亮span和icon，按钮本身不高亮，避免关闭后残留 */
.sidebar-btn.active span {
    color: #00837d !important;
}
.sidebar-btn.active .icon {
    fill: #00837d !important;
}
.sidebar-btn .sidebar-pop {
    display: none;
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.12);
    padding: 18px 16px 12px 16px;
    min-width: 180px;
    z-index: 1000;
    text-align: center;
}
.sidebar-btn .sidebar-pop img {
    width: 120px;
    height: 120px;
    margin: 10px 0;
    border-radius: 8px;
}
.sidebar-pop-title {
    font-weight: bold;
    margin-bottom: 4px;
}
.sidebar-pop-desc {
    font-size: 13px;
    color: #888;
    margin-bottom: 8px;
}
.sidebar-pop-phone {
    font-size: 14px;
    color: #219387;
    margin-top: 8px;
}
.sidebar-pop-close {
    position: absolute;
    right: 8px;
    top: 6px;
    font-size: 18px;
    color: #bbb;
    cursor: pointer;
}
.sidebar-btn .sidebar-pop.active {
    display: block;
}
.sidebar-btn.to-top {
    background: #219387;
    color: #fff;
}
.sidebar-btn.to-top .icon {
    fill: #fff;
}
@media (max-width: 600px) {
    .sidebar-kf { right: 2px; }
    .sidebar-btn { width: 48px; height: 48px; }
    .sidebar-btn .icon { width: 22px; height: 22px; }
    .sidebar-btn .sidebar-pop { min-width: 120px; }
}

/* 合并返回顶部按钮到sidebar-kf体系 */
.sidebar-kf .back-to-top {
    position: static;
    width: 60px;
    height: 60px;
    margin: 0;
    background: #219387;
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: box-shadow 0.2s, background 0.2s, transform 0.2s;
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 1.5rem;
}
.sidebar-kf .back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}
.sidebar-kf .back-to-top:hover {
    background: #00837d;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}
.sidebar-kf .back-to-top svg {
    width: 28px;
    height: 28px;
    fill: #fff;
}
@media (max-width: 600px) {
    .sidebar-kf .back-to-top {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }
    .sidebar-kf .back-to-top svg {
        width: 22px;
        height: 22px;
    }
}
/* 隐藏原独立.back-to-top按钮样式，避免重复 */
.back-to-top {
    display: none !important;
}
.sidebar-kf .back-to-top {
    display: flex !important;
}