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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f4f8;
    color: #2c3e50;
    line-height: 1.6;
}

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

/* 导航栏 */
.navbar {
    background: linear-gradient(135deg, #1a5276, #2e86c1);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    padding: 8px 16px;
    border-radius: 8px;
    transition: background 0.3s;
}

.nav-menu a:hover {
    background: rgba(255,255,255,0.2);
}

.hamburger {
    display: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #1a5276, #2e86c1, #3498db);
    color: #fff;
    text-align: center;
    padding: 120px 20px 80px;
    margin-top: 60px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 通用section */
.section {
    padding: 60px 0;
}

.bg-light {
    background: #fff;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 10px;
    color: #1a5276;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #7f8c8d;
    margin-bottom: 40px;
}

/* 搜索 */
.search-bar {
    text-align: center;
    margin-bottom: 30px;
}

.search-bar input {
    width: 60%;
    max-width: 500px;
    padding: 12px 20px;
    border: 2px solid #ddd;
    border-radius: 30px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

.search-bar input:focus {
    border-color: #2e86c1;
}

/* 卡片网格 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.card-img {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    background: linear-gradient(135deg, #e8f6f3, #d5f5e3);
}

.card-body {
    padding: 20px;
}

.card-body h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #1a5276;
}

.card-body p {
    color: #555;
    margin-bottom: 8px;
}

/* 页脚 */
.footer {
    background: #1a5276;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
}

.footer a {
    color: #85c1e9;
    text-decoration: none;
    margin: 0 10px;
}

.footer a:hover {
    text-decoration: underline;
}

/* 响应式 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: linear-gradient(135deg, #1a5276, #2e86c1);
        position: absolute;
        top: 60px;
        left: 0;
        padding: 20px;
    }

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

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .search-bar input {
        width: 90%;
    }
}

/* 内页通用 */
.page-hero {
    background: linear-gradient(135deg, #1a5276, #2e86c1);
    color: #fff;
    text-align: center;
    padding: 100px 20px 60px;
    margin-top: 60px;
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.page-hero p {
    font-size: 18px;
    opacity: 0.9;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-right: 5px;
    margin-bottom: 5px;
}

.tag-blue { background: #d6eaf8; color: #2e86c1; }
.tag-green { background: #d5f5e3; color: #27ae60; }
.tag-orange { background: #fdebd0; color: #e67e22; }
.tag-red { background: #fadbd8; color: #e74c3c; }

.rating {
    color: #f1c40f;
    font-size: 18px;
}