/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #777;
    --success-color: #4cc9f0;
    --warning-color: #f72585;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Roboto', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

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

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

.nav-links .btn {
    margin-left: 20px;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* 英雄区域样式 */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    padding-right: 40px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 500;
}

.hero-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

/* 功能展示区样式 */
.features {
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(67, 97, 238, 0.1);
    border-radius: 50%;
}

.feature-icon img {
    width: 50px;
    height: 50px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* 特殊功能样式 */
.special-features {
    background-color: #f9fafc;
}

.special-features-container {
    display: flex;
    align-items: center;
    margin-top: 50px;
}

.special-feature-left, .special-feature-right {
    flex: 1;
}

.special-feature-image {
    flex: 1;
    text-align: center;
    padding: 0 40px;
}

.special-feature-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.special-feature {
    margin-bottom: 40px;
    position: relative;
    padding-left: 70px;
}

.feature-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(67, 97, 238, 0.2);
}

.special-feature h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

/* 价格套餐样式 */
.pricing {
    background-color: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

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

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 10px 0;
}

.currency {
    font-size: 1.5rem;
    vertical-align: super;
}

.period {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

.pricing-features {
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    text-align: center;
    margin-top: 40px;
    color: var(--text-light);
}

.pricing-note a {
    color: var(--primary-color);
    font-weight: 500;
}

/* 用户评价样式 */
.testimonials {
    background-color: #f9fafc;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    margin-bottom: 20px;
}

.rating {
    color: #ffc107;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

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

/* 产品展示样式 */
.products {
    background-color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(67, 97, 238, 0.1);
    border-radius: 50%;
}

.product-image img {
    width: 70px;
    height: 70px;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* CTA 区域样式 */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 100px 0;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: white;
}

.footer-col p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: white;
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-info i {
    margin-right: 10px;
    color: var(--primary-color);
    width: 20px;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-links a:hover {
    color: white;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--box-shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .special-features-container {
        flex-direction: column;
    }
    
    .special-feature-left, .special-feature-right {
        order: 1;
    }
    
    .special-feature-image {
        order: 2;
        margin: 40px 0;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .nav-links .btn {
        margin-left: 0;
        margin-top: 10px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .feature-card, .pricing-card, .testimonial-card, .product-card {
        padding: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
    }
    
    .features-grid, .pricing-grid, .testimonials-slider, .products-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: scale(1) translateY(-10px);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* css/animations.css */
/* 加载动画效果 */
.tg-redirect.loading {
    position: relative;
    pointer-events: none;
}

.tg-redirect.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.6s linear infinite;
}

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