/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 20px rgba(0,0,0,0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.logo i {
    color: var(--secondary-color);
    font-size: 2.2rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--secondary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* 语言选择器 */
.language-selector {
    position: relative;
    margin-left: 1rem;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: var(--light-bg);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.language-toggle:hover {
    background: var(--secondary-color);
    color: var(--white);
}

.language-toggle i:first-child {
    font-size: 1.1rem;
}

.language-toggle i:last-child {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.language-dropdown.active .language-toggle i:last-child {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-hover);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: var(--light-bg);
    color: var(--secondary-color);
}

.lang-option .flag {
    font-size: 1.3rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 650px;
    margin-top: 70px;
    overflow: hidden;
}

.slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
    top: 0;
    left: 0;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.4), rgba(0,0,0,0.6));
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.6rem;
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease 0.2s;
    animation-fill-mode: both;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    font-weight: 300;
}

.slider-controls {
    position: absolute;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 3;
}

.slider-controls button {
    background: rgba(255,255,255,0.3);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.slider-controls button:hover {
    background: rgba(255,255,255,0.5);
    transform: scale(1.1);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.slider-nav:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: translateY(-50%) scale(1.1);
}

.slider-nav.prev {
    left: 30px;
}

.slider-nav.next {
    right: 30px;
}

/* 按钮样式 */
.btn {
    padding: 15px 40px;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2980b9, #21618c);
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(52, 152, 219, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--secondary-color);
}

/* 搜索栏 */
.search-section {
    padding: 60px 0;
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
}

.search-section .container {
    text-align: center;
}

.search-section .container {
    text-align: center;
}

.search-box {
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    padding: 30px;
}

.search-tabs {
    display: inline-flex;
    gap: 10px;
    margin: 0 auto 35px;
    background: var(--white);
    padding: 8px;
    border-radius: 50px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.search-tab {
    padding: 12px 30px;
    background: transparent;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 25px;
}

.search-tab.active {
    color: var(--white);
    background: linear-gradient(135deg, var(--secondary-color), #2980b9);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.search-tab:hover:not(.active) {
    color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.1);
}

.search-form {
    display: grid;
    grid-template-columns: 2fr 1.3fr 1.3fr 1fr 1.2fr;
    gap: 15px;
    align-items: center;
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.search-form input,
.search-form select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
    color: var(--text-color);
}

.search-form input:focus,
.search-form select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.search-form input[type="text"]::placeholder {
    color: var(--gray);
    font-weight: 400;
}

.search-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

.search-form button[type="submit"] {
    padding: 14px 30px;
    font-size: 1rem;
    border-radius: 10px;
    font-weight: 700;
}

.search-field {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--white);
}

.search-field i {
    color: var(--secondary-color);
}

.search-field input,
.search-field select {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
}

.btn-search {
    background: var(--accent-color);
    color: var(--white);
    padding: 12px 40px;
    border-radius: 8px;
}

.btn-search:hover {
    background: #c0392b;
}

/* 品牌介绍 */
.brand-intro {
    padding: 80px 0;
    background: var(--white);
}

.intro-content {
    text-align: center;
}

.intro-content h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.intro-content > p {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

/* 特色服务 */
.features {
    padding: 80px 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    border: 1px solid var(--secondary-color);
}

.feature-card i {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: all 0.3s ease;
}

.feature-card:hover i {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.8;
    font-size: 1rem;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray);
}

/* 热门目的地 */
.destinations {
    padding: 100px 0;
    background: linear-gradient(to bottom, #ffffff, #f8f9fa);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
}

.destination-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    position: relative;
}

.destination-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 15px 45px rgba(0,0,0,0.15);
}

.destination-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.destination-info {
    padding: 25px;
}

.destination-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.destination-info p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.btn-outline {
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}
    height: 250px;
    object-fit: cover;
}

.destination-info {
    padding: 20px;
}

.destination-info h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.destination-info p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

/* 酒店推荐 */
.hotels-section {
    padding: 80px 0;
    background: var(--white);
}

.hotels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.hotel-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.hotel-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.hotel-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.hotel-info {
    padding: 20px;
}

.hotel-info h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.hotel-rating {
    margin-bottom: 0.5rem;
}

.hotel-rating i {
    color: #ffd700;
    font-size: 0.9rem;
}

.hotel-rating span {
    margin-left: 5px;
    color: var(--gray);
    font-size: 0.9rem;
}

.hotel-info > p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.hotel-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 1rem;
}

.hotel-features span {
    background: var(--light-bg);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--gray);
}

.hotel-features i {
    color: var(--secondary-color);
    margin-right: 5px;
}

.hotel-price {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-bottom: 1rem;
}

.hotel-price .price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin: 0;
}

.hotel-price .period {
    color: var(--gray);
    font-size: 1rem;
}

/* 豪华游轮 */
.cruise-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.cruise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.cruise-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.cruise-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.cruise-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.cruise-info {
    padding: 25px;
}

.cruise-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cruise-route,
.cruise-duration {
    color: var(--gray);
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.cruise-route i,
.cruise-duration i {
    color: var(--secondary-color);
    margin-right: 8px;
}

.cruise-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin: 1.5rem 0;
}

.cruise-features span {
    background: var(--light-bg);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--gray);
}

.cruise-features i {
    color: var(--secondary-color);
    margin-right: 5px;
}

.cruise-price {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin: 1.5rem 0;
}

.cruise-price .price {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin: 0;
}

.cruise-price .period {
    color: var(--gray);
    font-size: 1.1rem;
}

/* 客户评价 */
.testimonials {
    padding: 80px 0;
    background: var(--white);
}

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

.testimonial-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.testimonial-rating {
    margin-bottom: 1rem;
}

.testimonial-rating i {
    color: #ffd700;
    font-size: 1.2rem;
}

.testimonial-text {
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    color: var(--primary-color);
    margin-bottom: 0.2rem;
}

.testimonial-author p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-section p {
    line-height: 1.8;
    opacity: 0.9;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.9;
}

.contact-info i {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .language-selector {
        position: fixed;
        top: 15px;
        right: 60px;
        z-index: 1001;
    }
    
    .language-toggle {
        padding: 6px 12px;
    }
    
    .language-toggle .current-lang {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .search-form {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .search-tabs {
        width: 100%;
        gap: 5px;
        padding: 5px;
    }
    
    .search-tab {
        flex: 1;
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .search-field {
        min-width: 100%;
    }
    
    .destinations-grid,
    .hotels-grid {
        grid-template-columns: 1fr;
    }
    
    .cruise-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .logo i {
        font-size: 1.8rem;
    }
}

/* 额外的视觉优化 */
.hotels {
    padding: 100px 0;
    background: var(--white);
}

.hotels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.hotel-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
}

.hotel-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 15px 45px rgba(0,0,0,0.15);
}

.hotel-card img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.hotel-info {
    padding: 25px;
}

.hotel-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.hotel-info .location {
    color: var(--gray);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hotel-info .location i {
    color: var(--accent-color);
}

.hotel-info .rating {
    margin-bottom: 1rem;
}

.hotel-info .rating i {
    color: #f39c12;
    font-size: 1rem;
}

.hotel-info .price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.cruise {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
}

.cruise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.cruise-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    position: relative;
}

.cruise-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 15px 50px rgba(0,0,0,0.2);
}

.cruise-card img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.cruise-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
    z-index: 10;
}

.cruise-badge.new {
    background: linear-gradient(135deg, #27ae60, #229954);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4);
}

.cruise-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cruise-route {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    font-style: italic;
}

.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1488646953014-85cb44e25828?w=1920') center/cover;
    opacity: 0.1;
    z-index: 0;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.cta p {
    font-size: 1.4rem;
    color: var(--white);
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.btn-light {
    background: var(--white);
    color: var(--secondary-color);
    padding: 15px 50px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(255,255,255,0.3);
}

.btn-light:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(255,255,255,0.5);
}