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

/* 主要内容区域 */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 英雄区域样式 */
.hero {
    height: 400px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('../images/界面五/当归.webp') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 60px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shine 3s infinite;
}

.hero-content {
    text-align: center;
    color: white;
    opacity: 0;
    animation: scaleIn 0.8s ease forwards 0.3s;
}

.hero-content h1 {
    font-size: 3em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.2em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 通用section样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 10px;
}

.section-header p {
    color: #7f8c8d;
    font-size: 1.2em;
}

/* 药材展示区样式 */
.herbs-section {
    margin-bottom: 60px;
}

.featured-herb {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
}

.featured-herb:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15),
                0 0 20px rgba(231, 76, 60, 0.3),
                0 0 40px rgba(231, 76, 60, 0.2);
}

.herb-image {
    position: relative;
    height: 400px;
}

.herb-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.certification-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #e74c3c;
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9em;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.4s ease;
    background: linear-gradient(90deg, #e74c3c, #c0392b);
    animation: glow 2s infinite;
}

.herb-image:hover .certification-badge {
    transform: translateX(0);
    opacity: 1;
}

.herb-details {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.herb-details h3 {
    font-size: 2em;
    color: #2c3e50;
    margin-bottom: 20px;
}

.herb-description {
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 30px;
}

.herb-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.herb-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #2c3e50;
}

.icon {
    font-size: 1.5em;
}

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

.herb-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
}

.herb-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 4s infinite;
}

.herb-card:hover::before {
    left: 200%;
    transition: 0.5s;
}

.herb-card:hover {
    transform: translateY(-10px);
}

.herb-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-content {
    padding: 20px;
    text-align: center;
}

.card-content h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.card-content p {
    color: #7f8c8d;
}

/* 美食展示区样式 */
.food-section {
    margin-bottom: 60px;
}

.food-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.food-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
}

.food-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(231, 76, 60, 0.1) 45%,
        rgba(231, 76, 60, 0.2) 50%,
        rgba(231, 76, 60, 0.1) 55%,
        transparent 60%
    );
    animation: shimmer 5s infinite;
    transform: none;
}

.food-card:hover::after {
    transform: translateX(100%);
}

.food-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.food-image {
    height: 250px;
    overflow: hidden;
}

.food-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.food-card:hover .food-image img {
    transform: scale(1.1);
}

.food-info {
    padding: 20px;
}

.food-info h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.food-info p {
    color: #7f8c8d;
    margin-bottom: 15px;
}

.tags {
    display: flex;
    gap: 10px;
}

.tags span {
    background: #f0f2f5;
    color: #2c3e50;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9em;
    background: linear-gradient(90deg, #f0f2f5, #e6e9ed);
    position: relative;
    overflow: hidden;
    animation: pulse 3s infinite;
}

.tags span::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(231, 76, 60, 0.2) 0%,
        transparent 70%
    );
    opacity: 0;
    transition: 0.3s;
}

.tags span:hover::after {
    opacity: 1;
}

/* 购买指南样式 */
.buying-guide {
    margin-bottom: 60px;
}

.guide-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.guide-box {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
    position: relative;
    overflow: hidden;
}

.guide-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(231, 76, 60, 0.1) 0%,
        transparent 70%
    );
    animation: pulse 4s infinite;
    opacity: 1;
    transform: none;
}

.guide-box:hover::before {
    opacity: 1;
    transform: scale(1.2);
}

.guide-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.guide-box h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e74c3c;
}

.guide-box ul {
    list-style: none;
}

.guide-box ul li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    color: #7f8c8d;
}

.guide-box ul li::before {
    content: '•';
    color: #e74c3c;
    position: absolute;
    left: 0;
}

.channel-info {
    display: grid;
    gap: 20px;
}

.channel h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.channel p {
    color: #7f8c8d;
    margin-bottom: 5px;
}

.storage-tips {
    display: grid;
    gap: 15px;
}

.storage-tips p {
    color: #7f8c8d;
    padding-left: 20px;
    position: relative;
}

.storage-tips p::before {
    content: '✓';
    color: #27ae60;
    position: absolute;
    left: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        height: 300px;
    }

    .hero-content h1 {
        font-size: 2em;
    }

    .featured-herb {
        grid-template-columns: 1fr;
    }

    .herb-image {
        height: 300px;
    }

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

    .guide-container {
        grid-template-columns: 1fr;
    }
} 

/* 在文件开头添加关键帧动画定义 */
@keyframes shine {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes glow {
    0% {
        box-shadow: 0 0 5px rgba(231, 76, 60, 0.2),
                   0 0 10px rgba(231, 76, 60, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(231, 76, 60, 0.4),
                   0 0 30px rgba(231, 76, 60, 0.2);
    }
    100% {
        box-shadow: 0 0 5px rgba(231, 76, 60, 0.2),
                   0 0 10px rgba(231, 76, 60, 0.2);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes pulse {
    0% {
        opacity: 0.4;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 0.4;
    }
}

/* 添加交错动画延迟 */
.herb-card:nth-child(2n)::before {
    animation-delay: 1s;
}

.food-card:nth-child(2n)::after {
    animation-delay: 1.5s;
}

.food-card:nth-child(3n)::after {
    animation-delay: 2s;
}

.guide-box:nth-child(2n)::before {
    animation-delay: 1s;
}

.guide-box:nth-child(3n)::before {
    animation-delay: 2s;
}

.tags span:nth-child(2n) {
    animation-delay: 1s;
}