/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 白色清新主题 - 参考网心/白山风格 */
    --primary-color: #22c55e;
    --primary-dark: #16a34a;
    --primary-light: #4ade80;
    --accent-color: #f59e0b;
    --text-color: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #e9ecef;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --gradient: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #ffffff !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ==================== 按钮样式 - TrustMRR风格 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.5);
}

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

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

/* ==================== 顶部导航栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header .container {
    height: 70px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo a {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: 700;
    background: #ffffff;
    padding: 4px 8px;
    border-radius: 6px;
}

.logo img {
    height: 44px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}

.logo .logo-text {
    color: #22c55e;
    font-size: 20px;
    font-weight: 700;
    margin-left: 8px;
}

.main-nav {
    flex: 1;
    max-width: 400px;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.nav-menu > li > a {
    font-size: 16px;
    font-weight: 500;
    color: #333333;
    padding: 8px 0;
    position: relative;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #22c55e;
    transform: scaleX(0);
    transition: var(--transition);
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
    transform: scaleX(1);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: #22c55e;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #333333;
}

/* ==================== Hero Banner - 清新风格 ==================== */
.hero {
    position: relative;
    min-height: 600px;
    background: linear-gradient(180deg, #ffffff 0%, #f0f7f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 70px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 30%, rgba(34, 197, 94, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    color: #333333;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #222222;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    color: #666666;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ==================== 通用Section样式 ==================== */
.section {
    padding: 80px 0;
    background-color: #ffffff;
}

.section:nth-of-type(even) {
    background-color: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: #222222;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: #666666;
}

/* ==================== 核心服务 ==================== */
.services-section {
    background: #f8f9fa !important;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: #22c55e;
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(22, 163, 74, 0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #22c55e;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333333;
}

.service-card p {
    color: #666666;
    font-size: 16px;
}

/* ==================== 盒子产品 ==================== */
.product-section {
    background: #ffffff !important;
}

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

.product-text h3 {
    font-size: 32px;
    font-weight: 700;
    color: #222222;
    margin-bottom: 16px;
}

.product-text > p {
    font-size: 18px;
    color: #666666;
    margin-bottom: 40px;
    line-height: 1.8;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: #22c55e;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.1);
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.feature-info h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 8px;
}

.feature-info p {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
}

.product-cta {
    margin-top: 40px;
    padding: 30px;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 12px;
    text-align: center;
}

.product-tagline {
    font-size: 20px;
    font-style: italic;
    color: #22c55e;
    font-weight: 500;
}

.product-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.product-box {
    width: 280px;
    height: 280px;
    border-radius: 20px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.3);
    animation: float 3s ease-in-out infinite;
}

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

.box-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.box-label {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.box-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #22c55e;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* ==================== 优势特色 ==================== */
.advantages-section {
    background: #f8f9fa !important;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 40px 20px;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e0e0e0;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.advantage-item:hover {
    transform: translateY(-4px);
    border-color: #22c55e;
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.1);
}

.advantage-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.advantage-label {
    font-size: 16px;
    color: #666666;
}

/* ==================== 合作产品 ==================== */
.partner-products-section {
    background: #ffffff !important;
}

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

.partner-product-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
}

.partner-product-card:hover {
    transform: translateY(-8px);
    border-color: #22c55e;
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.15);
}

/* Token模型悬浮卡片 */
.token-models-popup {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 580px;
    max-width: 95vw;
    background: #ffffff;
    border-radius: 16px;
    border: 2px solid #22c55e;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9999;
}

.partner-product-card:hover .token-models-popup {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(8px);
}

.token-models-popup::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #22c55e;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.model-category {
    text-align: center;
    padding: 16px 8px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
}

.model-category:hover {
    background: #e8f5e9;
    transform: translateY(-2px);
}

.model-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #ffffff;
}

.model-category-title {
    font-size: 12px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 4px;
}

.model-count {
    font-size: 11px;
    color: #22c55e;
    font-weight: 500;
}

@media (max-width: 768px) {
    .token-models-popup {
        width: 95vw;
        padding: 16px;
    }
    
    .models-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    
    .model-category {
        padding: 12px 6px;
    }
    
    .model-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
}

.partner-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(22, 163, 74, 0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #22c55e;
}

.partner-product-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 16px;
    text-align: center;
}

.partner-product-card > p {
    font-size: 16px;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: center;
}

.partner-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.partner-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #666666;
}

.partner-features li i {
    color: #22c55e;
    font-size: 18px;
    flex-shrink: 0;
}

/* ==================== 底部栏 ==================== */
.bottom-bar {
    background: #222222;
    padding: 60px 0 0;
}

.bottom-bar-inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #444444;
}

.bottom-section h4 {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.bottom-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #22c55e;
}

.bottom-section p,
.bottom-section li {
    color: #cccccc;
    font-size: 14px;
    line-height: 1.8;
}

.bottom-section ul {
    list-style: none;
}

.bottom-section li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.bottom-section li i {
    color: #22c55e;
    width: 20px;
    text-align: center;
}

/* 底部栏 - 资质认证 */
.bottom-certificates {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.bottom-cert-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #333333;
    border-radius: 8px;
    transition: var(--transition);
}

.bottom-cert-item:hover {
    background: #3a3a3a;
}

.bottom-cert-item i {
    font-size: 20px;
    color: #22c55e;
    width: 24px;
}

.bottom-cert-item span {
    color: #ffffff;
    font-size: 13px;
}

/* 底部栏 - 公众号 */
.bottom-wechat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.bottom-qrcode {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid #22c55e;
    background: #ffffff;
    padding: 8px;
}

.bottom-qrcode img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.bottom-wechat p {
    text-align: center;
    color: #aaaaaa;
    font-size: 13px;
}

/* 底部栏 - 联系方式 */
.bottom-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.bottom-contact-item i {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.bottom-contact-item span {
    color: #ffffff;
    font-size: 15px;
}

.bottom-bar-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.bottom-bar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bottom-bar-logo img {
    height: 32px;
}

.bottom-bar-logo span {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
}

.bottom-bar-copyright {
    color: #888888;
    font-size: 13px;
}

.bottom-bar-links a {
    color: #cccccc;
    margin-left: 20px;
    font-size: 14px;
    transition: var(--transition);
}

.bottom-bar-links a:hover {
    color: #22c55e;
}

@media (max-width: 1024px) {
    .bottom-bar-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .bottom-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .bottom-cert-item {
        justify-content: center;
    }
    
    .bottom-contact-item {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .bottom-bar-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* ==================== 资质认证 ==================== */
.certificates-section {
    background: #f8f9fa !important;
}

.certificates-content {
    max-width: 900px;
    margin: 0 auto;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.certificate-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid #e0e0e0;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.certificate-card:hover {
    border-color: #22c55e;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.1);
}

.certificate-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(22, 163, 74, 0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #22c55e;
}

.certificate-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 12px;
}

.certificate-card p {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
}

/* ==================== 公众号 ==================== */
.wechat-section {
    background: #ffffff !important;
}

.wechat-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.wechat-qrcode {
    width: 200px;
    height: 200px;
    border-radius: 16px;
    overflow: hidden;
    border: 3px solid #22c55e;
    background: #ffffff;
    padding: 10px;
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.15);
}

.wechat-qrcode img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

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

.wechat-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 8px;
}

.wechat-info p {
    font-size: 16px;
    color: #666666;
}

/* ==================== 联系我们 ==================== */
.contact-section {
    background: #f8f9fa !important;
}

.contact-content {
    display: grid;
    gap: 30px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    align-items: flex-start;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.contact-details {
    flex: 1;
}

.contact-label {
    font-size: 14px;
    color: #999999;
    margin-bottom: 4px;
}

.contact-value {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
}

.contact-simple {
    display: flex;
    justify-content: center;
}

.contact-simple .contact-item {
    padding: 24px 40px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    gap: 16px;
}

.contact-simple .contact-icon {
    width: 40px;
    height: 40px;
}

.contact-simple .contact-value {
    font-size: 20px;
    color: #333333;
}

/* ==================== 页面标题 ==================== */
.page-header {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    padding: 100px 0 60px;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.page-header > p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
}

/* ==================== 服务详情 ==================== */
.services-detail {
    background: var(--bg-light);
}

.service-block {
    background: white;
    padding: 60px;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.service-block.featured {
    border: 2px solid var(--primary-color);
}

.service-block:last-child {
    margin-bottom: 0;
}

.service-block-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.service-block-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
}

.service-block h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

.feature-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent-color);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    margin-left: 16px;
}

.service-block-content > p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.service-features h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 20px;
}

.service-features ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.service-features li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.service-features li i {
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 2px;
}

.service-features strong {
    color: var(--text-color);
}

.usecase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.usecase-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.usecase-item:hover {
    background: rgba(37, 99, 235, 0.05);
}

.usecase-item i {
    font-size: 32px;
    color: var(--primary-color);
}

.usecase-item span {
    font-size: 16px;
    color: var(--text-color);
    font-weight: 500;
}

.feature-intro {
    font-size: 20px;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 30px;
}

.product-highlights {
    display: grid;
    gap: 24px;
    margin-bottom: 40px;
}

.highlight-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 24px;
    align-items: start;
}

.highlight-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.highlight-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.highlight-content p {
    color: var(--text-light);
    line-height: 1.8;
}

.product-cta {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-radius: 12px;
}

.product-quote {
    font-size: 20px;
    font-style: italic;
    color: var(--primary-color);
    margin-bottom: 24px;
}

/* ==================== 关于我们 ==================== */
.about-intro {
    background: var(--bg-color);
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
}

.intro-content p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 20px;
}

.core-values {
    background: var(--bg-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--bg-dark);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.value-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.value-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(22, 163, 74, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
}

.value-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
}

.value-card p {
    color: var(--text-light);
    font-size: 16px;
}

/* ==================== 办公地址 ==================== */
.office-location {
    background: var(--bg-color);
}

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

.location-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-dark);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.info-icon {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.info-label {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.6;
}

.info-value a {
    color: var(--primary-color);
}

.location-map {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.map-tips {
    padding: 16px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-light);
}

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

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

.contact-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-dark);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.contact-card .card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.contact-card > p {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.contact-card small {
    font-size: 14px;
    color: var(--text-light);
}

/* ==================== 页脚 ==================== */
.footer {
    background: #222222 !important;
    color: #ffffff;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    padding: 6px 10px;
    border-radius: 6px;
}

.footer-logo img {
    height: 32px;
    width: auto;
    max-width: 120px;
}

.footer-logo-icon {
    font-size: 32px;
    color: #22c55e;
}

.footer-logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
}

.footer-nav {
    display: flex;
    gap: 30px;
}

.footer-nav a {
    color: #cccccc;
    font-size: 16px;
}

.footer-nav a:hover {
    color: #22c55e;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: #cccccc;
}

.footer-contact i {
    color: #4ade80;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444444;
}

.footer-bottom p {
    color: #999999;
    font-size: 14px;
}

.footer-bottom a {
    color: #22c55e;
}

.footer-bottom a:hover {
    color: #4ade80;
}

/* ==================== 回到顶部按钮 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .product-content,
    .location-content {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 42px;
    }

    .product-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .footer-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .section-title {
        font-size: 32px;
    }

    .service-block {
        padding: 40px 24px;
    }

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

    .highlight-item {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .location-map iframe {
        height: 300px;
    }

    .page-header h1 {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 500px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .services-grid,
    .values-grid,
    .contact-cards {
        grid-template-columns: 1fr;
    }

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

/* ==================== 部署命令 ==================== */
.deploy-section {
    background: #f8f9fa !important;
}

.deploy-commands {
    background: #1e1e1e;
    border-radius: 12px;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.deploy-commands pre {
    margin: 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.8;
    color: #e0e0e0;
}

.deploy-commands code {
    display: block;
    white-space: pre;
}

.copy-all-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: #22c55e;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.copy-all-btn:hover {
    background: #16a34a;
}

.deploy-tips-simple {
    margin-top: 20px;
    padding: 16px 20px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 8px;
    font-size: 14px;
    color: #555;
}

.deploy-tips-simple code {
    background: #e8f5e9;
    padding: 2px 8px;
    border-radius: 4px;
    color: #16a34a;
    font-family: monospace;
}
}