/* 全局样式 */
:root {
    --primary-color: #1976d2;
    --secondary-color: #0d47a1;
    --accent-color: #ff6d00;
    --accent-light: #ffab40;
    --dark-color: #0a1128;
    --light-color: #f8f9fa;
    --text-primary: #212121;
    --text-secondary: #616161;
    --text-light: #f5f5f5;
    --border-color: #e0e0e0;
    --success-color: #43a047;
    --danger-color: #e53935;
    --warning-color: #ffb300;
    --info-color: #039be5;
    --max-width: 1200px;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'PingFang SC', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn:hover {
    background: var(--secondary-color);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn:hover:before {
    left: 100%;
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-accent {
    background: var(--accent-color);
}

.btn-accent:hover {
    background: #e65100;
}

section {
    padding: 5rem 0;
    position: relative;
}

h1, h2, h3, h4 {
    line-height: 1.3;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--dark-color);
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.2rem;
}

h3 {
    font-size: 1.5rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--accent-color);
    margin: 1rem auto 0;
}

.view-all {
    text-align: center;
    margin-top: 2.5rem;
}

/* 导航栏 */
header {
    background-color: #fff;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 42px;
    margin-right: 12px;
    transition: var(--transition);
}

.logo:hover img {
    transform: scale(1.05);
}

.logo-text {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--dark-color);
    letter-spacing: 0.5px;
}

.main-nav ul {
    display: flex;
}

.main-nav ul li {
    margin-left: 2rem;
}

.main-nav ul li a {
    font-weight: 500;
    color: var(--dark-color);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--primary-color);
}

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

.main-nav ul li a:hover:after,
.main-nav ul li a.active:after {
    width: 100%;
}

.language-selector {
    position: relative;
}

.language-selector select {
    padding: 0.4rem 2.5rem 0.4rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: #fff;
    font-family: inherit;
    font-size: 0.9rem;
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1rem;
    transition: var(--transition);
}

.language-selector select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(rgba(13, 71, 161, 0.8), rgba(21, 101, 192, 0.8)), url('../images/hero-bg.svg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    text-align: center;
    padding: 10rem 0;
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(rgba(255, 255, 255, 0.05) 8%, transparent 8%);
    background-position: 0 0;
    background-size: 30px 30px;
    opacity: 0.3;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.2rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    color: #fff;
    animation: fadeInDown 1s ease;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.search-box {
    max-width: 650px;
    margin: 2.5rem auto 0;
    display: flex;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    position: relative;
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
}

.search-box input {
    flex: 1;
    padding: 1.2rem 1.5rem;
    border: none;
    font-size: 1.05rem;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.search-box input:focus {
    outline: none;
}

.search-box button {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    padding: 0 1.8rem;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.search-box button:hover {
    background-color: #e65100;
}

.search-box button i {
    font-size: 1.2rem;
}

.hero-buttons {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

.hero-buttons .btn {
    min-width: 160px;
}

.hero-buttons .btn-outline {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.hero-buttons .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 快速链接区域 */
.quick-links {
    padding-top: 6rem;
    padding-bottom: 6rem;
    background: #fff;
}

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

.link-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid transparent;
    position: relative;
    z-index: 1;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.link-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.link-card:hover {
    transform: translateY(-15px);
    border-top: 4px solid var(--accent-color);
    color: #fff;
}

.link-card:hover:before {
    opacity: 1;
}

.card-icon {
    margin-bottom: 1.5rem;
}

.link-card i {
    font-size: 3rem;
    color: var(--primary-color);
    transition: var(--transition);
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.link-card:hover i {
    transform: scale(1.1);
    background: #fff;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.link-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
    transition: var(--transition);
    font-size: 1.4rem;
}

.link-card p {
    margin-bottom: 1.8rem;
    color: var(--text-secondary);
    transition: var(--transition);
    flex-grow: 1;
}

.link-card:hover h3,
.link-card:hover p {
    color: #fff;
}

.card-action {
    margin-top: auto;
}

.link-card .btn {
    background: var(--primary-color);
    color: #fff;
    transition: var(--transition);
    width: 100%;
}

.link-card:hover .btn {
    background: #fff;
    color: var(--primary-color);
}

/* 目的地区域 */
.destinations {
    background-color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.destinations:before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    opacity: 0.05;
    border-radius: 50%;
    top: -150px;
    left: -150px;
}

.destinations:after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--accent-color);
    opacity: 0.05;
    border-radius: 50%;
    bottom: -100px;
    right: -100px;
}

.destinations h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--dark-color);
}

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

.destination-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.destination-card .img-container {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.destination-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.destination-card .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%);
    opacity: 0;
    transition: var(--transition);
}

.destination-card:hover .overlay {
    opacity: 1;
}

.destination-card h3 {
    padding: 1.5rem 1.5rem 0.6rem;
    color: var(--dark-color);
    font-size: 1.4rem;
    transition: var(--transition);
}

.destination-card p {
    padding: 0 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 1rem;
}

.destination-card .card-action {
    padding: 0 1.5rem 1.8rem;
}

.destination-card .btn {
    display: block;
    width: 100%;
}

/* 实用资源区域 */
.useful-resources {
    padding-top: 6rem;
    padding-bottom: 6rem;
    background: #fff;
    position: relative;
    overflow: hidden;
}

.useful-resources:before {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    background: var(--primary-color);
    opacity: 0.03;
    border-radius: 50%;
    top: 50px;
    right: -100px;
}

.useful-resources h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

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

.resource-card {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    top: 0;
}

.resource-card:hover {
    box-shadow: var(--box-shadow);
    border-color: transparent;
    top: -10px;
}

.resource-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    color: var(--accent-color);
}

.resource-card:hover i {
    transform: scale(1.1);
}

.resource-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-size: 1.4rem;
}

.resource-card p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.resource-card a {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-block;
    padding: 0.2rem 0;
    position: relative;
}

.resource-card a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.resource-card a:hover:after {
    width: 100%;
}

/* 特性区域 */
.features {
    background-color: var(--light-color);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.features:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/pattern.png');
    background-size: 400px;
    opacity: 0.03;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 50px;
    align-items: center;
}

.feature-content h2 {
    margin-bottom: 2.5rem;
    color: var(--dark-color);
    font-size: 2.2rem;
}

.feature-item {
    display: flex;
    margin-bottom: 1.8rem;
    animation: fadeIn 0.6s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-item:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-item:nth-child(3) {
    animation-delay: 0.4s;
}

.feature-item:nth-child(4) {
    animation-delay: 0.6s;
}

.feature-item i {
    font-size: 2rem;
    margin-right: 1.5rem;
    color: var(--primary-color);
    background: rgba(25, 118, 210, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.feature-item div {
    flex: 1;
}

.feature-item h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.feature-image {
    position: relative;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 100%;
    max-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    min-height: 400px;
}

.feature-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1976d2, #0d47a1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: #fff;
    text-align: center;
}

.feature-icon {
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.1);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.feature-placeholder h3 {
    margin-bottom: 1rem;
    color: #ffffff;
    font-size: 1.8rem;
}

.feature-placeholder p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    max-width: 500px;
    margin-bottom: 2rem;
}

.feature-icons-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 1rem;
}

.small-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.2rem;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.small-icon:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
}

.feature-image img,
.feature-image svg {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
    object-fit: cover;
}

.feature-image:hover img {
    transform: scale(1.05);
}

.feature-image:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.4), transparent);
    z-index: 1;
    opacity: 0;
    transition: var(--transition);
}

.feature-image:hover:before {
    opacity: 1;
}

/* 用户体验分享区域 */
.testimonials {
    background-color: #fff;
    position: relative;
    padding: 6rem 0;
    overflow: hidden;
}

.testimonials:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/testimonial-bg.png');
    background-size: cover;
    background-position: center;
    opacity: 0.03;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
    position: relative;
}

.testimonial-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: 1.5rem 0.5rem;
    margin: 0 -1rem;
}

.testimonial-slider::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.testimonial-slider::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.testimonial-slider::-webkit-scrollbar-track {
    background: transparent;
}

.testimonial {
    flex: 0 0 auto;
    width: 100%;
    max-width: 550px;
    scroll-snap-align: start;
    margin-right: 30px;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 3rem;
    position: relative;
    transition: var(--transition);
}

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

.testimonial:after {
    content: '\201D';
    font-family: Georgia, serif;
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 6rem;
    color: var(--primary-color);
    opacity: 0.1;
}

.quote p {
    font-style: italic;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}

.user {
    display: flex;
    align-items: center;
}

.user img {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    margin-right: 18px;
    object-fit: cover;
    border: 3px solid var(--accent-light);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.user h4 {
    margin-bottom: 0.2rem;
    color: var(--dark-color);
}

.user p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 订阅区域 */
.newsletter {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    text-align: center;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.newsletter:before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 25px 25px;
    pointer-events: none;
    animation: moveBackground 60s linear infinite;
}

@keyframes moveBackground {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.newsletter h2 {
    margin-bottom: 1.5rem;
    color: #fff;
    font-size: 2.5rem;
}

.newsletter p {
    margin-bottom: 3rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-form {
    display: flex;
    max-width: 550px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    position: relative;
}

.newsletter-form input {
    flex: 1;
    padding: 1.3rem 1.5rem;
    border: none;
    font-size: 1rem;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form .btn {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    background: var(--accent-color);
    padding: 0 2.5rem;
    font-weight: 600;
    font-size: 1.05rem;
    border: none;
}

.newsletter-form .btn:hover {
    background: #e65100;
    transform: translateY(0);
}

/* 页脚 */
footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 5rem 0 1.5rem;
    position: relative;
    overflow: hidden;
}

footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/world-map.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.05;
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    grid-gap: 50px;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.8rem;
    font-size: 1.4rem;
    color: #fff;
    position: relative;
    padding-bottom: 0.8rem;
}

.footer-section h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-section.about p {
    margin-bottom: 1.5rem;
    color: #bbb;
    line-height: 1.7;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    margin-top: 1.8rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    margin-right: 15px;
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

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

.footer-section.links ul li {
    margin-bottom: 15px;
}

.footer-section.links ul li a {
    color: #bbb;
    transition: var(--transition);
    display: inline-block;
    position: relative;
    padding-left: 18px;
}

.footer-section.links ul li a:before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.footer-section.links ul li a:hover {
    color: #fff;
    transform: translateX(8px);
}

.footer-section.links ul li a:hover:before {
    width: 12px;
}

.footer-section.contact ul li {
    margin-bottom: 18px;
    display: flex;
    align-items: flex-start;
}

.footer-section.contact ul li i {
    margin-right: 15px;
    color: var(--accent-color);
    margin-top: 4px;
    font-size: 1.1rem;
}

.footer-section.contact ul li span {
    color: #bbb;
    transition: var(--transition);
}

.footer-section.contact ul li:hover span {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    margin-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bbb;
    font-size: 0.9rem;
}

.payment-methods {
    margin-top: 15px;
}

.payment-methods i {
    font-size: 1.5rem;
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.payment-methods i:hover {
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        padding: 0 2rem;
    }
    
    .destination-grid,
    .resources-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    h1 {
        font-size: 2.6rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .quick-links .container,
    .destination-grid,
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 25px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        grid-gap: 3rem;
    }
    
    .feature-image {
        order: -1;
        max-height: 400px;
        margin-bottom: 2rem;
        min-height: 350px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 40px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 3.5rem 0;
    }
    
    header .container {
        flex-direction: column;
        padding: 1rem;
    }
    
    .logo {
        margin-bottom: 1.5rem;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 1.5rem;
    }
    
    .main-nav ul li {
        margin: 0 1rem 0.5rem;
    }
    
    .hero {
        padding: 6rem 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .search-box input {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    .search-box button {
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        padding: 1rem;
    }
    
    .testimonial {
        padding: 2rem;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    .newsletter-form .btn {
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        width: 100%;
        padding: 1rem;
    }
    
    .feature-image {
        max-height: 350px;
        min-height: 300px;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.7rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .quick-links .container,
    .destination-grid,
    .resources-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        margin-bottom: 1rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-section h3 {
        text-align: center;
    }
    
    .footer-section h3:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-section.about p {
        text-align: center;
    }
    
    .footer-section.links ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-section.links ul li {
        margin: 0 1rem 1rem;
    }
    
    .footer-section.contact ul li {
        justify-content: center;
    }
    
    .feature-image {
        max-height: 300px;
        min-height: 250px;
    }
}