/* 全局样式 */
:root {
    --primary-color: #7B68EE;
    --secondary-color: #A78BFA;
    --accent-color: #9F7AEA;
    --dark-color: #553C9A;
    --text-color: #2D3436;
    --light-gray: #F9F7FF;
    --spacing: 20px;
    --gradient-primary: linear-gradient(135deg, #7B68EE 0%, #A78BFA 100%);
    --gradient-secondary: linear-gradient(135deg, #9F7AEA 0%, #B794F4 100%);
    --gradient-accent: linear-gradient(135deg, #805AD5 0%, #B794F4 100%);
    --gradient-dark: linear-gradient(135deg, #553C9A 0%, #7B68EE 100%);
    --gradient-button: linear-gradient(135deg, #9F7AEA 0%, #B794F4 50%, #C4B5FD 100%);
    --box-shadow: 0 10px 30px rgba(123, 104, 238, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #FFFFFF;
}

@media (max-width: 768px) {
    body {
        padding-top: 80px;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.section-desc {
    text-align: center;
    color: #666;
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
}

@media (max-width: 768px) {
    .navbar {
        background: rgba(255, 255, 255, 0.98);
    }
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    margin-left: 35px;
    font-weight: 500;
    transition: background 0.2s, color 0.2s, border-radius 0.2s;
    position: relative;
    border-radius: 8px;
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.nav-links a:hover {
    background: none;
    color: var(--primary-color);
    border-radius: 8px;
}

.nav-links a, .nav-links a:active, .nav-links a:focus {
    -webkit-tap-highlight-color: transparent;
    background: none !important;
    outline: none;
    box-shadow: none;
}

/* 主页横幅样式 */
.hero {
    padding: 160px 0 100px;
    background: var(--light-gray);
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .hero {
        padding-top: 80px;
    }
}

.hero-bg-shapes .shape {
    position: absolute;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.1;
}

.hero-bg-shapes .shape-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
}

.hero-bg-shapes .shape-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -100px;
}

.hero-bg-shapes .shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: white;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-badge i {
    color: var(--primary-color);
    margin-right: 8px;
}

.hero-badge span {
    color: var(--primary-color);
    font-weight: 600;
}

.hero-content h1 {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 25px;
    color: var(--dark-color);
    font-weight: 800;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 35px;
    color: #666;
    line-height: 1.8;
}

.hero-features {
    margin: 35px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.hero-feature-item {
    background: white;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.hero-feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

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

.feature-text h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark-color);
}

/* 移动端样式 */
@media (max-width: 768px) {
    .hero-features {
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 25px 0;
    }

    .hero-feature-item {
        padding: 20px;
        display: flex;
        align-items: center;
        gap: 20px;
        transform: none !important;
    }

    .feature-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        margin-bottom: 0;
    }

    .feature-icon i {
        font-size: 20px;
    }

    .feature-text {
        flex: 1;
    }

    .feature-text h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }

    .feature-text p {
        font-size: 14px;
    }
}

.feature-text p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    margin-top: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn i {
    margin-right: 8px;
    font-size: 18px;
}

.btn.primary {
    background: var(--gradient-button);
    color: white;
    box-shadow: 0 8px 24px rgba(123, 104, 238, 0.25);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(123, 104, 238, 0.3);
}

.btn.secondary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.btn.secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.hero-image {
    flex: 1;
    position: relative;
}

.image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%;
}

.main-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.floating-image {
    position: absolute;
    width: 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.floating-image-1 {
    top: -40px;
    right: -40px;
    transform: rotate(8deg);
}

.floating-image-2 {
    bottom: -40px;
    left: -40px;
    transform: rotate(-8deg);
}

.floating-image:hover {
    transform: translateY(-5px) rotate(0);
}

.hero-stats,
.hero-stats .stat-item,
.hero-stats .stat-number,
.hero-stats .stat-label {
    display: none;
}

/* 数据统计样式 */
.stats {
    padding: 80px 0;
    background: white;
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 30px;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.stat-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
}

.stat-item:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.stat-item:hover:after {
    opacity: 0.05;
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
    line-height: 1;
    position: relative;
    z-index: 1;
}

.stat-label {
    color: var(--text-color);
    font-size: 18px;
    font-weight: 500;
}

/* 功能特色样式 */
.features {
    padding: 100px 0;
    background: var(--light-gray);
    position: relative;
}

.features h2 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 42px;
    color: var(--dark-color);
    font-weight: 800;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 20px;
    background: white;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.feature-card:hover:before {
    opacity: 0.05;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-card h3 {
    margin-bottom: 20px;
    color: var(--dark-color);
    font-size: 24px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: #666;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
    text-align: left;
    position: relative;
    z-index: 1;
}

.feature-list li {
    margin: 15px 0;
    padding-left: 30px;
    position: relative;
    color: #555;
}

.feature-list li:before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* 产品展示部分 */
.products {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.products .section-desc {
    max-width: 800px;
    margin: 0 auto 60px;
    color: #6c757d;
    font-size: 1.1rem;
    line-height: 1.6;
}

.product-showcase {
    max-width: 1200px;
    margin: 0 auto;
}

.product-item {
    display: flex;
    align-items: center;
    margin-bottom: 100px;
    gap: 60px;
}

.product-item.reverse {
    flex-direction: row-reverse;
}

.product-image {
    flex: 1;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.product-image:hover {
    transform: translateY(-10px);
}

.product-image img {
    width: 100%;
    height: auto;
    display: block;
}

.product-content {
    flex: 1;
    padding: 30px;
}

.product-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.product-icon i {
    font-size: 24px;
    color: white;
}

.product-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #333;
}

.product-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-features li {
    margin-bottom: 12px;
    color: #555;
    display: flex;
    align-items: center;
}

.product-features li i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .product-item {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 60px;
    }

    .product-item.reverse {
        flex-direction: column;
    }

    .product-content {
        text-align: center;
    }

    .product-icon {
        margin: 0 auto 20px;
    }

    .product-features li {
        justify-content: center;
    }
}

/* 商家中心样式 */
.merchants {
    padding: 100px 0;
    background: var(--light-gray);
    position: relative;
}

.merchant-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin: 60px 0;
}

.benefit-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 20px;
    background: white;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-card:hover {
    transform: translateY(-10px);
}

.benefit-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.benefit-card:hover:before {
    opacity: 0.05;
}

.benefit-card i {
    font-size: 48px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.benefit-card h3 {
    color: var(--dark-color);
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 700;
}

.benefit-card p {
    color: #666;
}

.merchant-join {
    text-align: center;
    margin-top: 80px;
}

.merchant-join h3 {
    font-size: 32px;
    color: var(--dark-color);
    margin-bottom: 50px;
    font-weight: 700;
}

.join-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 50px;
}

.join-steps:before {
    content: "";
    position: absolute;
    top: 30px;
    left: 50px;
    right: 50px;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    flex: 1;
    padding: 0 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-button);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 25px;
    position: relative;
}

.step-content h4 {
    color: var(--dark-color);
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: 600;
}

.step-content p {
    color: #666;
}

/* 下载部分样式 */
.download {
    padding: 100px 0;
    background: white;
    position: relative;
    overflow: hidden;
}

.download:before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-secondary);
    opacity: 0.05;
    transform: rotate(12deg);
}

.download-content {
    margin-top: 50px;
    position: relative;
}

.download-platforms {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.platform-item {
    text-align: center;
    padding: 40px 30px;
    background: #F0EDF9;
    border-radius: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.platform-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.platform-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.platform-item:hover:before {
    opacity: 0.05;
}

.platform-item i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    z-index: 1;
}

.platform-item h3 {
    font-size: 24px;
    color: var(--dark-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.platform-item p {
    color: #666;
    margin-bottom: 25px;
    font-size: 16px;
}

.platform-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    font-size: 16px;
    border-radius: 25px;
    transition: var(--transition);
    background: var(--gradient-button);
    color: white;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(123, 104, 238, 0.2);
    transform: translateY(0);
}

.platform-btn:hover {
    background: var(--gradient-accent);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(123, 104, 238, 0.3);
}

.platform-btn i {
    font-size: 18px;
    margin: 0;
    color: white;
    transition: var(--transition);
    opacity: 0.95;
}

.platform-btn:hover i {
    color: white;
    opacity: 1;
}

.qr-code {
    background: white;
    padding: 20px;
    border-radius: 15px;
    display: inline-block;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.qr-code:hover {
    transform: scale(1.05);
}

.qr-code img {
    width: 180px;
    height: 180px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.qr-code span {
    display: block;
    color: var(--dark-color);
    font-size: 14px;
    font-weight: 500;
}

.download-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.download-feature {
    text-align: center;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition);
}

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

.download-feature i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.download-feature span {
    font-weight: 500;
    color: var(--dark-color);
}

/* 关于我们样式 */
.about {
    margin-top: 80px;
    margin-bottom: 80px;
}

/* 公司简介样式 */
.about-company {
    margin-bottom: 80px;
}

.company-profile {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.company-profile:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(123, 104, 238, 0.15);
}

.company-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
}

.company-logo {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-logo i {
    font-size: 40px;
    color: white;
}

.company-title {
    flex: 1;
}

.company-title h3 {
    color: var(--dark-color);
    font-size: 28px;
    margin-bottom: 10px;
}

.company-subtitle {
    color: var(--primary-color);
    font-size: 16px;
    font-weight: 500;
}

.company-desc {
    color: #666;
    line-height: 1.8;
}

.company-desc p {
    margin-bottom: 15px;
}

.company-desc p:last-child {
    margin-bottom: 0;
}

/* 核心价值观样式 */
.core-values {
    margin-bottom: 80px;
    text-align: center;
}

.values-title {
    color: var(--dark-color);
    font-size: 24px;
    margin-bottom: 40px;
    text-align: center;
}

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

.value-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(123, 104, 238, 0.15);
}

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

.value-card:hover .value-icon {
    background: var(--gradient-primary);
}

.value-icon i {
    font-size: 30px;
    color: var(--primary-color);
    transition: var(--transition);
}

.value-card:hover .value-icon i {
    color: white;
}

.value-card h4 {
    color: var(--dark-color);
    font-size: 20px;
    margin-bottom: 15px;
}

.value-card p {
    color: #666;
    line-height: 1.6;
}

/* 使命与愿景样式 */
.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.mission-card,
.vision-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.mission-card:hover,
.vision-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(123, 104, 238, 0.15);
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    gap: 15px;
}

.header-icon {
    width: 50px;
    height: 50px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.mission-card:hover .header-icon,
.vision-card:hover .header-icon {
    background: var(--gradient-primary);
}

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

.mission-card:hover .header-icon i,
.vision-card:hover .header-icon i {
    color: white;
}

.card-header h4 {
    color: var(--dark-color);
    font-size: 22px;
    margin: 0;
}

.card-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.mission-points,
.vision-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mission-points li,
.vision-points li {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    color: #666;
}

.mission-points li:last-child,
.vision-points li:last-child {
    margin-bottom: 0;
}

.mission-points i,
.vision-points i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 16px;
}

/* 响应式样式 */
@media (max-width: 992px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-content {
        margin-top: 40px;
    }

    .about-company {
        margin-bottom: 60px;
    }

    .company-header {
        flex-direction: column;
        text-align: center;
    }

    .company-title h3 {
        font-size: 24px;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .mission-vision-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .company-profile,
    .value-card,
    .mission-card,
    .vision-card {
        padding: 30px 20px;
    }

    .value-icon {
        width: 60px;
        height: 60px;
    }

    .value-icon i {
        font-size: 24px;
    }

    .value-card h4 {
        font-size: 18px;
    }

    .card-header {
        margin-bottom: 20px;
    }

    .header-icon {
        width: 40px;
        height: 40px;
    }

    .header-icon i {
        font-size: 20px;
    }

    .card-header h4 {
        font-size: 20px;
    }
}

/* 页脚样式 */
footer {
    background: var(--gradient-dark);
    color: white;
    padding: 80px 0 30px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-bottom: 50px;
}

.footer-info p {
    margin-top: 20px;
    opacity: 0.8;
    line-height: 1.8;
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-links h4 {
    margin-bottom: 25px;
    color: white;
    font-size: 18px;
    font-weight: 600;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: block;
    margin: 12px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

/* 移动端样式 */
@media (max-width: 768px) {
    footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 30px;
    }

    .footer-info {
        text-align: center;
    }

    .footer-info p {
        font-size: 14px;
        margin: 15px auto;
        max-width: 300px;
    }

    .footer-links-group {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .footer-links {
        padding: 15px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-links:last-child {
        border-bottom: none;
    }

    .footer-links h4 {
        font-size: 16px;
        margin-bottom: 15px;
        text-align: center;
    }

    .footer-links a {
        margin: 10px 0;
        font-size: 14px;
        text-align: center;
        padding: 5px 0;
    }

    .footer-links a:hover {
        transform: none;
    }
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.8;
}

/* 备案号链接样式 */
.copyright a.beian-link {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.2s;
    vertical-align: baseline;
}
.copyright a.beian-link:hover {
    color: rgba(255,255,255,0.8);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 48px;
    }

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

    .platform-item:last-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .hero-feature-item {
        justify-content: center;
    }

    .navbar {
        background: rgba(255, 255, 255, 0.98);
    }
    .menu-toggle {
        display: block !important; /* 强制显示 */
        visibility: visible;
        opacity: 1;
        font-size: 24px;
        color: var(--text-color);
        cursor: pointer;
        padding: 10px;
        z-index: 1001;
        transition: transform 0.3s ease;
        position: relative;
        border-radius: 0;
        background: none;
        box-shadow: none;
        border: none;
    }
    .menu-toggle:hover {
        transform: scale(1.1);
    }
    .menu-toggle i {
        transition: transform 0.3s ease;
    }
    .menu-toggle.active i {
        transform: rotate(180deg);
    }
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 20px;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        box-shadow: var(--box-shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        border-radius: 0;
    }
    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .nav-links a {
        margin: 0;
        padding: 10px 20px;
        width: 100%;
        text-align: center;
        opacity: 0;
        transform: translateY(10px);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transition-delay: calc(var(--item-index, 0) * 0.05s);
        font-size: 16px;
        font-weight: 500;
        border-bottom: none;
        background: none;
        border-radius: 0;
        color: var(--text-color);
        transition: background 0.2s, color 0.2s, border-radius 0.2s;
    }
    .nav-links.active a {
        opacity: 1;
        transform: translateY(0);
    }
    .nav-links a:active,
    .nav-links a:focus {
        background: none;
        color: var(--text-color);
    }
    .nav-links a:hover {
        background: none;
        color: var(--primary-color);
        border-radius: 8px;
    }

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

    .merchant-benefits {
        grid-template-columns: 1fr;
    }

    .join-steps {
        flex-direction: column;
    }

    .join-steps:before {
        display: none;
    }

    .step {
        margin-bottom: 40px;
    }

    .download-content {
        flex-direction: column;
    }

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

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

    .footer-links-group {
        grid-template-columns: 1fr;
    }

    .download-platforms {
        grid-template-columns: 1fr;
    }

    .platform-item:last-child {
        grid-column: auto;
    }

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

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

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 36px;
    }

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

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

    .platform-item {
        padding: 30px 20px;
    }

    .platform-btn {
        width: 100%;
    }
}

/* 滚动进度条 */
.scroll-progress {
    background: var(--gradient-button);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 25px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 0;
    overflow: hidden;
}

.back-to-top .button-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top i {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.back-to-top .tooltip {
    position: absolute;
    top: 50%;
    right: 120%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top .tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    border-left: 6px solid rgba(0, 0, 0, 0.8);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

/* 显示状态 */
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 悬停效果 */
.back-to-top:hover {
    background: var(--dark-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    width: 55px;
    height: 55px;
}

.back-to-top:hover i {
    transform: translateY(-3px);
}

.back-to-top:hover .tooltip {
    opacity: 1;
    visibility: visible;
    right: 110%;
}

/* 活动状态 */
.back-to-top.active {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

/* 点击动画 */
.back-to-top.clicked {
    animation: clickEffect 0.3s ease;
}

@keyframes clickEffect {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(0.95);
    }

    100% {
        transform: scale(1);
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .back-to-top {
        right: 20px;
        bottom: 20px;
        width: 45px;
        height: 45px;
    }

    .back-to-top:hover {
        width: 45px;
        height: 45px;
    }

    .back-to-top .tooltip {
        display: none;
    }
}

/* 加载动画 */
.loader-spinner {
    border-top-color: var(--primary-color);
}

.loader-text {
    color: var(--primary-color);
}

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

.text-center h2 {
    margin-bottom: 25px;
}

.text-center .section-desc {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .product-item {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 60px;
    }

    .product-item.reverse {
        flex-direction: column;
    }

    .product-content {
        text-align: center;
    }

    .product-icon {
        margin: 0 auto 20px;
    }

    .product-features li {
        justify-content: center;
    }
}

/* 联系我们板块重构样式 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.contact-card {
    background: white;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(123, 104, 238, 0.15);
}
.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}
.contact-card:hover .contact-icon {
    background: var(--gradient-primary);
}
.contact-icon i {
    font-size: 30px;
    color: var(--primary-color);
    transition: var(--transition);
}
.contact-card:hover .contact-icon i {
    color: white;
}
.contact-card h3 {
    color: var(--dark-color);
    font-size: 20px;
    margin-bottom: 15px;
}
.contact-desc {
    color: #666;
    font-size: 16px;
    margin-bottom: 25px;
    line-height: 1.6;
    word-break: break-all;
}
.contact-link {
    display: inline-block;
    padding: 12px 30px;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--primary-color);
}
.contact-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(123, 104, 238, 0.3);
    border-color: transparent;
}
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .contact {
        padding: 60px 0;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .contact-card {
        padding: 30px 20px;
    }
    .contact-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }
    .contact-icon i {
        font-size: 24px;
    }
    .contact-card h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }
    .contact-desc {
        font-size: 14px;
        margin-bottom: 20px;
    }
    .contact-link {
        padding: 10px 25px;
        font-size: 14px;
    }
}

.contact {
    margin-bottom: 80px;
}

footer {
    margin-top: 80px;
}

@media (max-width: 768px) {
    .nav-links {
        display: flex !important;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .menu-toggle:active {
        background: none;
        color: var(--text-color);
    }
}

.menu-toggle, .menu-toggle:active, .menu-toggle:focus {
    -webkit-tap-highlight-color: transparent;
    background: none !important;
    outline: none;
    box-shadow: none;
}