/* 三七站点 - 红色主题 · 现代极简风格 */

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

body {
    font-family: "Microsoft YaHei", -apple-system, sans-serif;
    line-height: 1.8;
    color: #222;
    background-color: #fff;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 极简导航 */
.minimal-header {
    padding: 30px 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.brand {
    font-size: 24px;
    font-weight: 300;
    color: #222;
    text-decoration: none;
    letter-spacing: 2px;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav a {
    color: #888;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.nav a:hover,
.nav a.active {
    color: #c0392b;
}

/* 极简Hero */
.minimal-hero {
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

.hero-tag {
    display: inline-block;
    font-size: 12px;
    color: #c0392b;
    letter-spacing: 2px;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.hero-text h1 {
    font-size: 64px;
    font-weight: 200;
    color: #222;
    margin-bottom: 20px;
    letter-spacing: 8px;
}

.hero-text p {
    font-size: 16px;
    color: #888;
    letter-spacing: 2px;
}

/* 极简产品展示 */
.minimal-products {
    padding: 80px 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.product-header h2 {
    font-size: 28px;
    font-weight: 300;
    color: #222;
    letter-spacing: 4px;
}

.product-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-box {
    text-align: center;
}

.product-img {
    height: 180px;
    background: linear-gradient(135deg, #c0392b, #a93226);
    border-radius: 4px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    transition: transform 0.3s;
}

.product-box:hover .product-img {
    transform: scale(1.02);
}

.product-info h3 {
    font-size: 16px;
    font-weight: 500;
    color: #222;
    margin-bottom: 8px;
}

.product-info p {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
}

/* 功效区块 */
.minimal-effects {
    padding: 80px 0;
    border-bottom: 1px solid #f0f0f0;
}

.minimal-effects h2 {
    font-size: 28px;
    font-weight: 300;
    color: #222;
    letter-spacing: 4px;
    text-align: center;
    margin-bottom: 60px;
}

.effects-list {
    max-width: 700px;
    margin: 0 auto;
}

.effect-item {
    display: flex;
    gap: 40px;
    padding: 40px 0;
    border-bottom: 1px solid #f0f0f0;
}

.effect-item:last-child {
    border-bottom: none;
}

.effect-num {
    font-size: 36px;
    font-weight: 200;
    color: #c0392b;
    width: 60px;
    flex-shrink: 0;
}

.effect-content h3 {
    font-size: 20px;
    font-weight: 500;
    color: #222;
    margin-bottom: 10px;
}

.effect-content p {
    font-size: 14px;
    color: #666;
}

/* 吃法区块 */
.minimal-usage {
    padding: 80px 0;
    border-bottom: 1px solid #f0f0f0;
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.usage-item {
    text-align: center;
}

.usage-icon {
    width: 60px;
    height: 60px;
    border: 1px solid #c0392b;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #c0392b;
    margin: 0 auto 20px;
}

.usage-item h3 {
    font-size: 16px;
    font-weight: 500;
    color: #222;
    margin-bottom: 8px;
}

.usage-item p {
    font-size: 13px;
    color: #888;
}

/* 极简底部 */
.minimal-footer {
    padding: 60px 0 40px;
    background: #fafafa;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-left h3 {
    font-size: 20px;
    font-weight: 300;
    color: #222;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.footer-left p {
    font-size: 13px;
    color: #888;
}

.footer-right p {
    font-size: 14px;
    color: #666;
    margin: 6px 0;
}

.copyright {
    text-align: center;
    font-size: 12px;
    color: #aaa;
    letter-spacing: 1px;
}

/* 响应式 */
@media (max-width: 992px) {
    .product-row,
    .usage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 25px;
    }
    
    .minimal-header .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-text h1 {
        font-size: 40px;
        letter-spacing: 4px;
    }
    
    .product-row,
    .usage-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .effect-item {
        flex-direction: column;
        gap: 15px;
        padding: 30px 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}