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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-logo h2 {
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #3498db;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #2c3e50;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页横幅 Banner */
.hero-banner {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0;
    position: relative;
    overflow: hidden;
    min-height: 50vh;
}
.banner-slider {
    position: relative;
    width: 100%;
    height: 50vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner-slide {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transition: opacity 0.7s cubic-bezier(.4,2,.6,1);
    opacity: 0;
    z-index: 1;
}
.banner-slide.active {
    display: block;
    opacity: 1;
    z-index: 2;
}
.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    box-shadow: none;
    margin: 0;
    display: block;
}
/* 新增：图片遮罩 */
.banner-slide::after {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    border-radius: 0;
    background: linear-gradient(120deg,rgba(40,40,80,0.35) 60%,rgba(40,40,80,0.1) 100%);
    pointer-events: none;
    z-index: 2;
}
.banner-slide.active::after {
    z-index: 3;
}
.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    text-align: center;
    background: none;
    padding: 0 36px;
    border-radius: 0;
    box-shadow: none;
    min-width: 260px;
    max-width: 80vw;
    z-index: 10;
}
.banner-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.1rem;
    letter-spacing: 2px;
    text-shadow: 0 6px 32px rgba(0,0,0,0.32), 0 1px 0 #222;
}
.banner-content p {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    opacity: 0.98;
    text-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
.cta-button {
    background: linear-gradient(90deg,#764ba2 0%,#667eea 100%);
    color: #fff;
    border: none;
    padding: 18px 48px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 32px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(.4,2,.6,1);
    box-shadow: 0 4px 24px rgba(0,0,0,0.13);
    letter-spacing: 1px;
    margin-top: 8px;
}
.cta-button:hover {
    background: linear-gradient(90deg,#667eea 0%,#764ba2 100%);
    color: #fff;
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.85);
    border: none;
    color: #764ba2;
    font-size: 2.5rem;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    cursor: pointer;
    z-index: 20;
    box-shadow: 0 2px 12px rgba(0,0,0,0.13);
    transition: background 0.2s, box-shadow 0.2s;
    opacity: 0.85;
}
.banner-arrow.left { left: 32px; }
.banner-arrow.right { right: 32px; }
.banner-arrow:hover { background: #fff; opacity: 1; box-shadow: 0 4px 24px rgba(0,0,0,0.18); }
.banner-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 18px;
    z-index: 20;
}
.banner-dots .dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(255,255,255,0.7);
    border: 2px solid #fff;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
}
.banner-dots .dot.active {
    background: #764ba2;
    transform: scale(1.25);
    box-shadow: 0 4px 16px rgba(118,75,162,0.18);
}
@media (max-width: 900px) {
    .hero-banner {
        min-height: 40vh;
    }
    .banner-slider {
        height: 40vh;
    }
    .banner-content {
        padding: 0 10px;
    }
    .banner-content h1 {
        font-size: 2.2rem;
    }
    .banner-content p {
        font-size: 1.1rem;
    }
    .banner-arrow {
        width: 38px;
        height: 38px;
        font-size: 1.5rem;
    }
    .banner-dots {
        bottom: 12px;
        gap: 8px;
    }
    .banner-dots .dot {
        width: 10px;
        height: 10px;
    }
}
@media (max-width: 600px) {
    .hero-banner {
        min-height: 30vh;
    }
    .banner-slider {
        height: 30vh;
    }
    .banner-content {
        padding: 0 2vw;
        min-width: 80px;
    }
    .banner-content h1 {
        font-size: 1.5rem;
    }
    .banner-content p {
        font-size: 1rem;
    }
    .banner-arrow {
        width: 28px;
        height: 28px;
        font-size: 1rem;
        left: 8px;
        right: 8px;
    }
    .banner-dots {
        bottom: 4px;
        gap: 4px;
    }
    .banner-dots .dot {
        width: 6px;
        height: 6px;
    }
}

/* 目的地部分 */
.destinations {
    padding: 100px 0;
    background: #f8f9fa;
}

.destinations h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.destination-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.destination-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-image {
    height: 200px;
    background: #f3f3f3;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.card-content p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.price {
    color: #3498db;
    font-weight: 600;
    font-size: 1.1rem;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: white;
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.about-content > p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.features {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: stretch;
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    padding: 2rem;
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.feature p {
    color: #666;
    line-height: 1.5;
}

/* 联系部分 */
.contact {
    padding: 100px 0;
    background: #f8f9fa;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.contact-info p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-details p {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #3498db;
}

.contact-form button {
    background: #3498db;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: #2980b9;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* 响应式设计 */
@media (max-width: 900px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .image-placeholder {
        width: 90vw;
        max-width: 320px;
        height: 180px;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 80px 10px 40px 10px;
    }
    .hero-content h1 {
        font-size: 1.5rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .image-placeholder {
        width: 100vw;
        max-width: 220px;
        height: 120px;
        border-radius: 18px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 20px 50px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        margin-top: 2rem;
    }
    
    .image-placeholder {
        width: 100%;
        max-width: 300px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        flex-direction: column;
        display: grid;
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .destinations h2,
    .about-content h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}