/* ====================================
   清新治愈风格 UI 系统
   B2B 雪糕批发电商专用
   ==================================== */

/* CSS 变量定义 - 清新配色体系 */
:root {
    /* 主色调 - 薄荷绿 */
    --primary: #66D7D1;
    --primary-light: #8CE4DE;
    --primary-dark: #4EC9C2;
    
    /* 辅助色 - 奶油黄 */
    --accent: #FFE898;
    --accent-light: #FFF0C2;
    --accent-dark: #FFDD70;
    
    /* 中性色 */
    --bg-primary: #FCFCFC;
    --bg-card: #F8FAFA;
    --bg-input: #F5F7F9;
    
    /* 文字颜色 */
    --text-primary: #334155;
    --text-secondary: #64748B;
    --text-tertiary: #94A3B8;
    --text-light: #CBD5E1;
    
    /* 边框颜色 */
    --border-light: #E2E8F0;
    --border-medium: #CBD5E1;
    
    /* 状态色（低饱和版本） */
    --success: #4ADE80;
    --warning: #FBBF24;
    --error: #F87171;
    
    /* 圆角 */
    --radius-btn: 10px;
    --radius-card: 14px;
    --radius-input: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* 阴影 - 轻量级 */
    --shadow-hover: 0 2px 6px rgba(102, 215, 209, 0.1);
    
    /* 过渡动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 通用容器 */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* ====================================
   头部样式
   ==================================== */
.header {
    text-align: center;
    margin-bottom: 48px;
}

.header h1 {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.header p {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ====================================
   Banner 样式 - 通栏磨砂效果
   ==================================== */
.banner {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 40px;
    background: var(--bg-card);
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.banner:hover img {
    transform: scale(1.02);
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    padding: 30px;
    z-index: 2;
    width: 90%;
    max-width: 800px;
}

.banner-content h2 {
    font-size: 32px;
    font-weight: 500;
    margin-bottom: 12px;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.banner-content p {
    font-size: 16px;
    opacity: 0.95;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.95);
}

.new-arrival-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 400;
    margin-bottom: 16px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ====================================
   联系信息样式 - 紧凑布局
   ==================================== */
.contact-section {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-radius: var(--radius-btn);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
    flex: 0 1 auto;
}

.contact-item:hover {
    border-color: var(--primary);
    background: var(--bg-card);
}

.contact-info {
    flex: 1;
}

.contact-label {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    font-weight: 400;
}

.contact-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-phone {
    font-size: 13px;
    color: var(--primary);
    font-weight: 400;
}

/* ====================================
   平台列表样式 - 横向卡片布局
   ==================================== */
.platform-section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-left: 12px;
    border-left: 3px solid var(--primary);
}

.platform-scroll-container {
    position: relative;
    overflow: hidden;
}

.platform-scroll-wrapper {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 8px 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-medium) transparent;
}

.platform-scroll-wrapper::-webkit-scrollbar {
    height: 6px;
}

.platform-scroll-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.platform-scroll-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-full);
}

.platform-item {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-light);
    flex-shrink: 0;
    min-width: 120px;
}

.platform-item:hover {
    border-color: var(--primary);
    background: var(--bg-card);
}

.platform-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 12px;
    border-radius: var(--radius-btn);
    object-fit: contain;
    background: var(--bg-input);
    padding: 8px;
    transition: all var(--transition-fast);
}

.platform-item:hover .platform-logo {
    transform: scale(1.05);
}

.platform-name {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* 滑动指示器 */
.platform-indicator {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--border-light);
    transition: all var(--transition-fast);
}

.indicator-dot.active {
    width: 24px;
    border-radius: var(--radius-full);
    background: var(--primary);
}

/* ====================================
   按钮样式 - 清新渐变
   ==================================== */
.enter-btn {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding: 18px 36px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.enter-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: scale(0.98);
}

.enter-btn:active {
    transform: scale(0.96);
}

.arrow-icon {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.enter-btn:hover .arrow-icon {
    transform: translateX(4px);
}

/* ====================================
   响应式设计
   ==================================== */
@media (max-width: 1024px) {
    .container {
        padding: 32px 20px;
    }
    
    .banner {
        height: 350px;
    }
    
    .banner-content h2 {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 24px 16px;
    }
    
    .header {
        margin-bottom: 32px;
    }
    
    .header h1 {
        font-size: 18px;
    }
    
    .banner {
        height: 280px;
        border-radius: var(--radius-lg);
    }
    
    .banner-content h2 {
        font-size: 24px;
    }
    
    .banner-content p {
        font-size: 14px;
    }
    
    .contact-section {
        grid-template-columns: 1fr;
    }
    
    .platform-scroll-wrapper {
        gap: 12px;
    }
    
    .platform-item {
        min-width: 100px;
        padding: 20px 16px;
    }
    
    .platform-logo {
        width: 56px;
        height: 56px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 16px;
    }
    
    .banner {
        height: 240px;
    }
    
    .banner-content h2 {
        font-size: 20px;
    }
}

/* ====================================
   页脚样式 - 备案信息
   ==================================== */
.site-footer {
    margin-top: 60px;
    padding: 30px 24px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
}

.footer-content {
    max-width: 1440px;
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

.products-footer {
    margin-top: 40px;
    padding: 24px;
    background: transparent;
    border-top: 1px solid var(--border-light);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .site-footer {
        margin-top: 40px;
        padding: 24px 16px;
    }
    
    .footer-text {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .site-footer {
        margin-top: 32px;
        padding: 20px 12px;
    }
}