:root {
    --primary-color: #2563eb;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
}

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 导航栏 */
header {
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    padding: 0 1.5rem;
}

.logo {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

/* Hero区域 */
.hero {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    text-align: center;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-outline {
    border: 2px solid white;
    color: white;
}

/* 功能区域 */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
}

/* 控制面板预览 */
.dashboard-preview {
    text-align: center;
    margin-top: 2rem;
}

.dashboard-preview img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* 页脚 */
footer {
    background: var(--text-color);
    color: white;
    padding: 2rem 0;
}

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

.footer-info {
    margin-bottom: 1rem;
}

.copyright {
    opacity: 0.8;
}

/* 价格页面样式 */
.pricing-section {
    padding: 120px 0 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem auto;
    max-width: 1200px;
    padding: 0 1rem;
}

.pricing-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(to bottom, #ffffff, #f8faff);
}

.popular-tag {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
}

.pricing-header {
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.plan-name {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1rem;
    font-weight: normal;
    color: #666;
}

.plan-desc {
    color: #666;
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    margin: 0;
    padding: 0;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #4b5563;
    font-size: 1rem;
}

.pricing-features i {
    color: var(--primary-color);
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.pricing-card .btn {
    width: 100%;
    margin-top: 2rem;
    padding: 1rem;
    font-size: 1.1rem;
    text-align: center;
}

.pricing-card .btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
}

.pricing-card .btn-primary:hover {
    background: #1d4ed8;
}

.pricing-card .btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.pricing-card .btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* FAQ部分样式 */
.pricing-faq {
    margin-top: 6rem;
    padding: 3rem 0;
    background: var(--light-bg);
    border-radius: 12px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding: 0 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-item h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.faq-item p {
    color: #4b5563;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .pricing-card.featured {
        transform: none;
        order: -1;
    }

    .pricing-header {
        padding-bottom: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .price {
        font-size: 2.5rem;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
}

/* 验证流程样式 */
.flow-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.flow-step {
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.flow-icon {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.flow-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.flow-arrow {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.verification-image {
    margin-top: 4rem;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.verification-image img {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: block;
    border-radius: 8px;
}

.image-caption {
    margin-top: 2rem;
    text-align: center;
}

.image-caption h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.image-caption ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.image-caption li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.image-caption i {
    color: var(--primary-color);
}

/* ��应式设计 */
@media (max-width: 768px) {
    nav {
        padding: 0 1rem;
    }

    nav ul {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

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

    .flow-container {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .image-caption ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
} 

/* 轮播图样式 */
.carousel {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: white;
}

.carousel-container {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 1rem;
    text-align: center;
}

.slide-caption h3 {
    margin-bottom: 0.5rem;
    color: white;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.carousel-button:hover {
    background: rgba(0, 0, 0, 0.8);
}

.carousel-button.prev {
    left: 1rem;
}

.carousel-button.next {
    right: 1rem;
}

.carousel-dots {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
    background: white;
}

/* 页面头部样式 */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* 详细功能卡片样式 */
.features-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-detail-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.feature-detail-card ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.feature-detail-card li {
    margin-bottom: 0.5rem;
    color: #666;
}

/* 开发者支持样式 */
.dev-support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.support-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.support-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* 联系页面样式优化 */
.contact-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-intro h2 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.contact-intro p {
    color: #666;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.info-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.info-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    min-height: 180px;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    background: var(--light-bg);
    padding: 1rem;
    border-radius: 10px;
    flex-shrink: 0;
}

.info-content {
    flex: 1;
}

.info-content h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.info-content p {
    color: #4b5563;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
    word-break: break-all;
}

.response-time {
    display: inline-block;
    font-size: 0.85rem;
    color: #666;
    margin-top: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--light-bg);
    border-radius: 20px;
}

/* 表单样式优化 */
.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-header {
    margin-bottom: 2rem;
}

.form-header h2 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: #666;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

.contact-form .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-form .btn i {
    font-size: 1.1rem;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .info-items {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact-section {
        padding: 3rem 0;
    }
    
    .info-items {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
    
    .info-item {
        min-height: auto;
    }
}

/* 表单消息提示样式 */
.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease;
}

.form-message.success {
    background-color: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
}

.form-message.error {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.form-message i {
    font-size: 1.25rem;
}

@keyframes slideIn {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 按钮加载状态样式 */
.contact-form .btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.contact-form .btn i.fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 添加动画效果 */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 修改 hero 样式 */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(37, 99, 235, 0) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* 修改按钮样式和动画 */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

/* 修改功能卡片样式和动画 */
.feature-card {
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
}

.feature-card i {
    transition: all 0.3s ease;
}

.feature-card:hover i {
    animation: pulse 1s infinite;
    color: var(--primary-color);
}

/* 添加鼠标悬停效果 */
.nav a {
    position: relative;
}

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

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

/* 修复文字编码问题 */
html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* 添加滚动平滑效果 */
html {
    scroll-behavior: smooth;
}

/* 添加加载动画 */
.loading {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.loaded {
    opacity: 1;
}