/* 1. 基础样式和变量 */
:root {
    /* 颜色变量 */
    --primary-color: #E91E63;      /* Logo背景粉色 */
    --secondary-color: #FF7452;    /* 按钮橙色 */
    --success-color: #48BB78;      /* 验证绿色 */
    --accent-color: #4299E1;       /* 链接蓝色 */
    --light-blue: #EBF8FF;         /* 浅蓝色背景 */
    
    /* 文本颜色 */
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-light: #718096;
    
    /* 背景颜色 */
    --bg-white: #FFFFFF;
    --bg-light: #F7FAFC;
    --bg-lighter: #EDF2F7;
    --bg-lightest: #F9FAFB;
    
    /* 边框颜色 */
    --border-color: #E2E8F0;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.5;
    background-color: var(--bg-lightest);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 2. 布局容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 40px;
    padding: 32px 0;
    align-items: start;
}

/* 3. 顶部导航栏 */
.main-header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 36px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    height: 36px;
}

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

.logo .brand {
    font-size: 24px;
    font-weight: 700;
}

.logo .domain {
    font-size: 16px;
}

.site-icon {
    width: auto;
    height: 100%;
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
}

.main-nav {
    display: none;
}

/* 域名标题部分 */
.domain-header {
    margin-bottom: 24px;
}

.subtitle {
    color: var(--text-primary);
    font-size: 15px;
    margin-bottom: 8px;
    display: block;
    font-weight: 700;
}

.domain-header h1 {
    font-size: 32px;
    line-height: 1.2;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.domain-header .domain-name {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
}

.domain-header .highlight {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
}

/* 4. Logo展示区域 */
.logo-showcase {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: 24px 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 670px;
    aspect-ratio: 670/402;
}

.logo-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* 图片幻灯片样式 */
.slide:not(.logo-display) {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Logo展示幻灯片样式 */
.slide.logo-display {
    background-color: #FF1F71;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-content {
    text-align: center;
    color: white;
    transform: translateY(-10px);
}

.crown-icon {
    font-size: 38px;
    margin-bottom: 20px;
    color: #FFD700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: inline-block;
}

.logo-text {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-style: italic;
    font-size: 56px;
    letter-spacing: 1.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    color: white;
}

.slide.active {
    opacity: 1;
}

.wishlist-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.98);
    border: none;
    border-radius: var(--radius-lg);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    transition: all 0.2s ease;
    z-index: 2;
    text-decoration: none;
}

.wishlist-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--accent-color);
    color: white;
}

.wishlist-btn i {
    font-size: 16px;
    color: var(--text-secondary);
}

.wishlist-btn:hover i {
    color: white;
}

.slider-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 16px;
    z-index: 2;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
    opacity: 0.5;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dot:hover {
    opacity: 0.7;
}

.dot.active {
    opacity: 1;
    transform: scale(1.1);
}

/* 轮播箭头 */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 18px;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 2;
}

.slider-nav.prev {
    left: 16px;
}

.slider-nav.next {
    right: 16px;
}

.logo-showcase:hover .slider-nav {
    opacity: 0.8;
}

.slider-nav:hover {
    opacity: 1 !important;
    background: white;
    transform: translateY(-50%) scale(1.1);
}

/* 5. 买家兴趣提示 */
.buyer-interest {
    background-color: #F0FFF4;
    border-radius: var(--radius-xl);
    padding: 24px;
    display: flex;
    gap: 20px;
    margin: 32px 0;
    border: 1px solid #C6F6D5;
    box-shadow: 0 2px 8px rgba(72, 187, 120, 0.1);
}

.interest-icon {
    background-color: #48BB78;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.2);
    flex-shrink: 0;
}

.interest-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.interest-content h3 {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.interest-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.5;
}

/* 6. 特性展示 */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.feature {
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-icon i {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.feature:hover .feature-icon i {
    transform: scale(1.1);
}

.feature h4 {
    color: var(--text-primary);
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 600;
    line-height: 1.4;
}

.feature p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

/* 为每个特性添加独特的颜色和效果 */
.feature:nth-child(1) .feature-icon {
    background-color: #EBF8FF;
    color: #4299E1;
}

.feature:nth-child(2) .feature-icon {
    background-color: #F0FFF4;
    color: #48BB78;
}

.feature:nth-child(3) .feature-icon {
    background-color: #FFF5F5;
    color: #F56565;
}

/* 7. 购买保护计划 */
.protection-program {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    gap: 20px;
    margin: 32px 0;
    box-shadow: var(--shadow-sm);
}

.program-icon {
    width: 48px;
    height: 48px;
    background-color: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.program-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.program-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.learn-more {
    color: var(--accent-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.learn-more i {
    font-size: 14px;
    transition: transform 0.2s ease;
}

.learn-more:hover i {
    transform: translateX(4px);
}

/* 8. 关于域名部分 */
.about-domain {
    margin: 32px 0;
}

.about-domain h2 {
    margin-bottom: 16px;
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 600;
}

.about-domain p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
}

/* 9. 品牌匹配度检查 */
.brand-check {
    margin: 24px 0;
}

.check-brand-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--accent-color);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.check-brand-btn i {
    font-size: 16px;
    color: var(--accent-color);
}

.check-brand-btn:hover {
    background-color: var(--bg-lighter);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* 10. 适用性询问表单 */
.brand-fit {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 24px 0;
}

.brand-fit h3 {
    margin-bottom: 8px;
}

.brand-fit p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
}

.button-group {
    display: flex;
    gap: 12px;
}

.change-btn {
    padding: 8px 16px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
}

.submit-btn {
    padding: 8px 24px;
    background-color: var(--text-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
}

/* 11. 右侧购买卡片 */
.purchase-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.card-header {
    margin-bottom: 28px;
}

.header-top {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.card-header h2 {
    font-size: 36px;
    font-weight: 900;
    color: var(--text-primary);
    text-align: left;
    display: flex;
    flex-direction: column;
    line-height: 0.9;
    letter-spacing: -0.03em;
    font-family: -apple-system, "SF Pro Display", "Segoe UI", sans-serif;
}

.countdown-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FF6B6B;
    padding: 12px 24px;
    border-radius: 100px;
    color: white;
    box-shadow: 0 8px 24px rgba(255, 107, 107, 0.25);
    margin-left: 20px;
}

.countdown-digits {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
    white-space: nowrap;
}

.domain-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.verified {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--success-color);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 12px;
    background-color: #F0FFF4;
    border-radius: var(--radius-lg);
}

.verified i {
    font-size: 16px;
    color: var(--success-color);
}

.verified img {
    width: 16px;
    height: 16px;
}

.ends-today {
    background-color: var(--accent-color);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-lg);
    font-size: 13px;
    font-weight: 500;
}

.purchase-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.option {
    position: relative;
    display: block;
    cursor: pointer;
}

.option input {
    position: absolute;
    opacity: 0;
}

.option-content {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 20px;
    height: 84px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
    background-color: var(--bg-white);
}

.option input:checked + .option-content {
    border-color: var(--accent-color);
    background-color: var(--light-blue);
}

.option-content span {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 15px;
}

.price {
    text-align: right;
    min-width: 120px;
}

.original {
    color: var(--text-light);
    text-decoration: line-through;
    font-size: 13px;
    display: block;
    margin-bottom: 4px;
}

.current {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 18px;
    white-space: nowrap;
}

.period {
    color: var(--text-light);
    font-size: 13px;
    margin-left: 4px;
}

.purchase-btn {
    width: 100%;
    background: linear-gradient(to right, #FF7452, #FF5E5E);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    padding: 18px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 28px 0;
    transition: all 0.2s ease;
}

.purchase-btn:hover {
    background: linear-gradient(to right, #FF8A6C, #FF7676);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.purchase-btn .arrow {
    font-size: 20px;
    margin-left: 4px;
}

.benefits {
    list-style: none;
    margin-bottom: 32px;
}

.benefits li {
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    font-size: 15px;
}

.benefits li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.payment-methods {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding-top: 28px;
    border-top: 1px solid var(--border-color);
}

.payment-methods i {
    font-size: 24px;
    opacity: 0.6;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.payment-methods i:hover {
    opacity: 0.8;
}

/* 其他购买选项 */
.other-options {
    background-color: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 28px;
    margin-top: 24px;
    box-shadow: var(--shadow-md);
}

.other-options h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.other-options p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.escrow-btn {
    width: 100%;
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.escrow-btn:hover {
    border-color: var(--accent-color);
    background-color: var(--light-blue);
}

.escrow-btn span {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
}

.escrow-btn i {
    font-size: 18px;
    color: var(--text-secondary);
}

.escrow-btn .escrow-text {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 14. 页脚 */
.main-footer {
    background-color: var(--bg-white);
    padding: 28px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 48px;
}

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

.footer-left {
    display: flex;
    gap: 24px;
    color: var(--text-light);
    font-size: 14px;
}

.footer-left a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-left a:hover {
    color: var(--text-primary);
}

.rating {
    display: flex;
    align-items: center;
    gap: 16px;
}

.rating-excellent {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding-right: 16px;
    border-right: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
}

.trustpilot-logo {
    height: 16px;
    width: auto;
    margin-bottom: 2px;
}

.stars {
    display: flex;
    gap: 1px;
}

.star {
    position: relative;
    display: inline-block;
    width: 14px;
    height: 14px;
    background: #dcdce6;
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.star.active {
    background: #00b67a;
}

.star.half-active {
    background: #dcdce6;
    position: relative;
    overflow: hidden;
}

.star.half-active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: #00b67a;
}

.rating-excellent span {
    font-size: 12px;
    font-weight: 600;
    color: #2d3338;
}

.rating-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0px;
}

.rating-score {
    font-size: 14px;
    font-weight: 600;
    color: #2d3338;
}

.rating-reviews {
    font-size: 12px;
    color: #595959;
}

/* 15. 响应式样式 */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr 350px;
    }
}

@media (max-width: 768px) {
    .content-grid {
        display: flex;
        flex-direction: column;
    }

    /* 1. 域名标题部分 */
    .domain-header {
        order: 1;
    }

    /* 2. 购买卡片 */
    .purchase-card {
        order: 2;
    }

    /* 3. 其他购买选项 */
    .other-options {
        order: 3;
    }

    /* 4. 购买保护计划 */
    .protection-program {
        order: 4;
    }

    /* 5. 视频部分 - 调整顺序 */
    .video-section {
        order: 5;
    }

    /* 6. 联系支持部分 - 调整顺序 */
    .support-section {
        order: 6;
    }

    /* 7. 询问部分 */
    .inquiry-section {
        order: 7;
    }

    /* 8. 页脚版权信息 */
    .footer-left {
        order: 8;
    }

    /* 9. Trustpilot评分 */
    .rating {
        order: 9;
    }

    /* 10. 移动端购买栏 */
    .mobile-purchase-bar {
        order: 10;
    }

    /* 隐藏不需要的部分 */
    .buyer-interest,
    .features {
        display: none;
    }

    /* 确保页脚在正确的位置 */
    .main-footer {
        margin-bottom: 80px; /* 为移动端购买栏留出空间 */
    }

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

    .main-footer .container {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-left {
        flex-direction: column;
        gap: 12px;
    }

    .rating {
        flex-direction: column;
        gap: 16px;
    }

    .rating-excellent {
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 16px;
    }

    .rating-info {
        align-items: center;
    }

    .mobile-purchase-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background-color: #F3F4FF;
        padding: 16px 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .mobile-purchase-bar .price {
        font-size: 24px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .mobile-purchase-bar .purchase-btn {
        margin: 0;
        padding: 14px 32px;
        font-size: 16px;
        font-weight: 700;
        border-radius: 100px;
        background: linear-gradient(to right, #FF7452, #FF5E5E);
        width: auto;
        min-width: 200px;
    }

    .mobile-purchase-bar .purchase-btn:hover {
        background: linear-gradient(to right, #FF8A6C, #FF7676);
    }

    .buyer-interest {
        display: none; /* 在移动端隐藏买家兴趣提示部分 */
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .logo-text {
        font-size: 36px;
    }
    
    .main-nav {
        display: none;
    }
    
    .main-nav.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        padding: 16px;
        flex-direction: column;
        border-top: 1px solid var(--border-color);
    }
}

/* 联系支持部分 */
.support-section {
    background-color: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 24px;
    margin-top: 32px;
    box-shadow: var(--shadow-md);
}

.support-header {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 500;
    position: relative;
    padding: 0 40px;
}

.support-header::before,
.support-header::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background-color: var(--border-color);
}

.support-header::before {
    left: 0;
}

.support-header::after {
    right: 0;
}

.contact-options {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 0 auto;
    max-width: 440px;
    padding: 0 4px;
}

.contact-btn {
    background-color: var(--bg-lightest);
    border: none;
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    white-space: nowrap;
    height: 44px;
}

.contact-btn:hover {
    background-color: var(--bg-lighter);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.contact-btn i {
    font-size: 18px;
    color: var(--text-primary);
}

.contact-btn.chat {
    padding: 12px 24px;
    flex: 1;
    max-width: 160px;
}

.contact-btn.phone {
    padding: 12px 24px;
    flex: 1;
    max-width: 180px;
}

.contact-btn.email {
    width: 44px;
    min-width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.contact-btn.email:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-btn.email:hover i {
    color: white;
}

.contact-btn.email i {
    font-size: 18px;
    transition: all 0.2s ease;
}

@media (min-width: 769px) {
    /* PC端样式 */
    .mobile-purchase-bar {
        display: none; /* 在PC端隐藏移动端购买栏 */
    }
}

@media (max-width: 768px) {
    /* ... existing mobile styles ... */

    .mobile-purchase-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background-color: #F3F4FF;
        padding: 16px 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .mobile-purchase-bar .price {
        font-size: 24px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .mobile-purchase-bar .purchase-btn {
        margin: 0;
        padding: 14px 32px;
        font-size: 16px;
        font-weight: 700;
        border-radius: 100px;
        background: linear-gradient(to right, #FF7452, #FF5E5E);
        width: auto;
        min-width: 200px;
    }

    .mobile-purchase-bar .purchase-btn:hover {
        background: linear-gradient(to right, #FF8A6C, #FF7676);
    }
}

/* 视频部分 */
.video-section {
    margin-top: 32px;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.video-container {
    position: relative;
    width: 100%;
    background: #000;
    padding-top: 56.25%; /* 16:9 宽高比 */
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0));
    padding: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.video-container:hover .video-controls {
    opacity: 1;
}

.video-progress {
    margin-bottom: 8px;
}

.progress-bar {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    position: relative;
}

.progress-bar:hover {
    height: 5px;
}

.progress-filled {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: #FF0000;
    width: 0%;
}

.control-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 4px;
}

.control-btn {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    opacity: 0.9;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    opacity: 1;
}

.control-btn i {
    font-size: 18px;
}

.video-time {
    color: white;
    font-size: 13px;
    margin-left: auto;
    margin-right: 8px;
    font-family: 'YouTube Noto', Roboto, Arial, sans-serif;
}

.time-display {
    display: none;
}

/* 导航菜单样式 */
.top-nav {
    display: flex;
    align-items: center;
}

.hamburger-menu {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 24px;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 6px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger-menu {
        display: block;
        z-index: 1001;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        background: var(--bg-white);
        box-shadow: var(--shadow-md);
        border-radius: var(--radius-md);
        padding: 16px;
        flex-direction: column;
        gap: 16px;
        min-width: 200px;
        margin-top: 8px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        padding: 8px 16px;
        display: block;
    }

    .nav-menu a:hover {
        background-color: var(--bg-lighter);
        border-radius: var(--radius-sm);
    }
}

/* 适配更小的屏幕 */
@media (max-width: 480px) {
    .nav-menu {
        right: 16px;
        left: 16px;
        min-width: auto;
    }
}

/* 添加新的询问区域样式 */
.inquiry-section {
    background: var(--bg-white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-top: 24px;
}

.inquiry-title {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.inquiry-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.inquiry-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--accent-color);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.inquiry-btn:hover {
    background-color: #3182ce;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.inquiry-btn i {
    font-size: 16px;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .inquiry-section {
        padding: 20px;
    }
    
    .inquiry-title {
        font-size: 18px;
    }
    
    .inquiry-text {
        font-size: 14px;
    }
}