/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: rgb(4, 56, 150);
    --primary-dark: rgb(3, 40, 120);
    --secondary-color: #f59e0b;
    --accent-color: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-primary: 'Noto Sans SC', 'Inter', sans-serif;
    --font-japanese: 'Noto Sans JP', sans-serif;
    --font-english: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Language-specific font families */
body[data-lang="zh-CN"] {
    font-family: var(--font-primary);
}

body[data-lang="zh-TW"] {
    font-family: var(--font-primary);
}

body[data-lang="ja"] {
    font-family: var(--font-japanese);
}

body[data-lang="en"] {
    font-family: var(--font-english);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-normal);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i { font-size: 0; }

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

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

.language-selector {
    display: flex;
    gap: 0.25rem;
}

.lang-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.75rem;
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.lang-btn.active {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
    position: relative;
}

.mobile-menu-toggle .hamburger-fallback {
    display: none;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Show fallback when Font Awesome fails to load */
.mobile-menu-toggle:not(.fa-loaded) .fas {
    display: none;
}

.mobile-menu-toggle:not(.fa-loaded) .hamburger-fallback {
    display: inline-block;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: calc(var(--spacing-2xl) + 100px) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    gap: var(--spacing-xl);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 1;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    max-width: 500px;
    position: relative;
}

/* Hero slider */
.hero-slider {
    position: relative;
    width: 100%;
    height: 520px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-slider .slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.hero-slider .slide.active {
    opacity: 1;
    transform: scale(1);
}

.hero-overlay-copy {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--spacing-lg);
    pointer-events: none;
}

.hero-overlay-copy .copy-inner {
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.55) 60%, rgba(0,0,0,0.65) 100%);
    width: 100%;
    color: #fff;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.corp-title {
    font-size: 1rem;
    letter-spacing: 0.08em;
    opacity: 0.85;
}

.corporate-intro p {
    text-align: left;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.corp-catch {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: var(--spacing-xs);
}

.corp-sub {
    margin-top: var(--spacing-xs);
    opacity: 0.9;
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Sections */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Corporate sections */
.corporate {
    background: var(--bg-primary);
}

.corporate-intro {
    max-width: 900px;
    margin: 0 auto;
    color: var(--text-secondary);
    line-height: 1.9;
    display: grid;
    gap: var(--spacing-md);
}

/* Corporate Profile Grid */
.corp-profile-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.corp-profile-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.corp-profile-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.corp-profile-item-full {
    grid-column: 1 / -1;
}

.corp-profile-label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.corp-profile-value {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
    word-break: break-word;
}

.corp-profile-value a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.corp-profile-value a:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* Business list styling - when corp-profile-value is an ol element */
ol.corp-profile-value {
    margin: 0;
    padding-left: 1.5rem;
    list-style-type: decimal;
}

ol.corp-profile-value li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
    color: var(--text-primary);
}

ol.corp-profile-value li:last-child {
    margin-bottom: 0;
}

.services-extended .service-card p {
    text-align: left;
}

.strengths .strengths-list {
    display: grid;
    gap: var(--spacing-xl);
}

.strengths .strength h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.voices .voices-list {
    display: grid;
    gap: var(--spacing-lg);
}

.voices .voice {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

/* Stories carousel */
.stories .carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.stories .carousel-viewport {
    overflow: hidden;
    width: 100%;
    max-width: 100%;
}

.stories .carousel-track {
    display: flex;
    gap: var(--spacing-md);
    transition: transform var(--transition-normal);
    will-change: transform;
    width: max-content;
    max-width: 100%;
}

.stories .carousel-item {
    min-width: 520px;
    max-width: 820px;
    flex: 0 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--bg-primary);
    width: 100%;
    max-width: 100%;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stories .carousel-item img,
.stories .carousel-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
}

/* 针对横向图片的优化 */
.stories .carousel-item img[data-orientation="landscape"],
.stories .carousel-item video[data-orientation="landscape"] {
    object-fit: contain;
    object-position: center center;
    width: 100%;
    height: 100%;
}

/* 针对纵向图片的优化 */
.stories .carousel-item img[data-orientation="portrait"],
.stories .carousel-item video[data-orientation="portrait"] {
    object-fit: contain;
    object-position: center center;
    width: 100%;
    height: 100%;
}

/* 针对正方形图片的优化 */
.stories .carousel-item img[data-orientation="square"],
.stories .carousel-item video[data-orientation="square"] {
    object-fit: contain;
    object-position: center center;
    width: 100%;
    height: 100%;
}

.stories .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
}

.stories .carousel-btn.prev { left: 8px; }
.stories .carousel-btn.next { right: 8px; }

.corp-contact-grid {
    display: grid;
    /* grid-template-columns: 2fr 1fr; */
    gap: var(--spacing-2xl);
    align-items: center;
    justify-content: center;
}

.corp-contact-cta {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.corp-contact-info p {
    color: var(--text-secondary);
    line-height: 1.9;
}

/* Services Section */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    position: relative;
}

.service-icon i {
    font-size: 2rem;
    color: var(--bg-primary);
}

.service-icon .icon-fallback {
    display: none;
    font-size: 2rem;
    position: absolute;
}

/* Show fallback when Font Awesome fails to load */
.service-icon:not(.fa-loaded) .fas {
    display: none;
}

.service-icon:not(.fa-loaded) .icon-fallback {
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Destinations Section */
.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.destination-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.destination-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.destination-card:hover img {
    transform: scale(1.05);
}

.destination-content {
    padding: var(--spacing-lg);
}

.destination-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.destination-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.feature i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.feature span {
    color: var(--text-primary);
    font-weight: 500;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: var(--spacing-2xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 600px;
    width: 100%;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* 突出显示电话和地址 */
.contact-item.contact-phone,
.contact-item.contact-address {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--bg-primary);
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.contact-item.contact-phone::before,
.contact-item.contact-address::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: var(--transition-slow);
}

.contact-item.contact-phone:hover::before,
.contact-item.contact-address:hover::before {
    left: 100%;
}

/* 点击反馈效果 */
.contact-item.contact-phone:active,
.contact-item.contact-address:active {
    transform: translateY(-1px) scale(0.98);
    transition: transform 0.1s ease;
}

/* 添加脉冲动画来吸引注意力 */
@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(4, 56, 150, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(4, 56, 150, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(4, 56, 150, 0);
    }
}

.contact-item.contact-phone,
.contact-item.contact-address {
    animation: pulse-glow 2s infinite;
}

/* 为电话和地址添加可点击的样式 */
.contact-item.contact-phone,
.contact-item.contact-address {
    cursor: pointer;
    user-select: none;
}

.contact-item.contact-phone:hover {
    transform: translateY(-5px) scale(1.02);
}

.contact-item.contact-address:hover {
    transform: translateY(-5px) scale(1.02);
}

.contact-item.contact-phone i,
.contact-item.contact-address i {
    color: var(--bg-primary);
    font-size: 2rem;
    margin-top: 0;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item.contact-phone h4,
.contact-item.contact-address h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bg-primary);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.contact-item.contact-phone p,
.contact-item.contact-address p {
    color: var(--bg-primary);
    font-size: 1.25rem;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    line-height: 1.4;
}

/* 普通联系项目的样式 */
.contact-item:not(.contact-phone):not(.contact-address) i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: var(--spacing-xs);
}

.contact-item:not(.contact-phone):not(.contact-address) h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-item:not(.contact-phone):not(.contact-address) p {
    color: var(--text-secondary);
}

.contact-form {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--bg-primary);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--bg-primary);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--bg-primary);
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .stories .carousel-item {
        min-width: 480px;
        max-width: 720px;
    }
}

@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: calc(var(--spacing-xl) + 100px) 0 var(--spacing-xl);
    }
    
    .hero .container {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero-image {
        max-width: 640px;
        width: 100%;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-info {
        max-width: 100%;
    }
    
    /* 移动端电话和地址的特殊样式 */
    .contact-item.contact-phone,
    .contact-item.contact-address {
        padding: var(--spacing-xl);
        margin-bottom: var(--spacing-md);
    }
    
    .contact-item.contact-phone i,
    .contact-item.contact-address i {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .contact-item.contact-phone h4,
    .contact-item.contact-address h4 {
        font-size: 1.25rem;
    }
    
    .contact-item.contact-phone p,
    .contact-item.contact-address p {
        font-size: 1.125rem;
    }

    .corp-contact-grid {
        grid-template-columns: 1fr;
        justify-items: center;
    }
    
    .corp-contact-cta {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }

    /* Enable dropdown behavior for mobile nav */
    .nav-container { 
        position: relative; 
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-sm);
        box-shadow: var(--shadow-sm);
        z-index: 1001;
    }
    
    /* Fix carousel overflow on mobile */
    .stories .carousel {
        margin: 0 -var(--spacing-sm);
        padding: 0 var(--spacing-sm);
    }
    
    .stories .carousel-viewport {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .stories .carousel-viewport::-webkit-scrollbar {
        display: none;
    }
    
    .corp-contact-cta {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.25rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* Corporate Profile Grid - Mobile */
    .corp-profile-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero-slider {
        height: 360px;
    }
    
    .hero-slider .slide {
        object-fit: cover;
        object-position: center center;
    }

    .stories .carousel-item { 
        min-width: 85vw; 
        max-width: 85vw;
        width: 85vw;
    }
    .stories .carousel-item img,
    .stories .carousel-item video { 
        height: 320px; 
        object-fit: cover;
        object-position: center center;
    }

    /* 移动端所有方向图片优化 */
    .stories .carousel-item img[data-orientation="landscape"],
    .stories .carousel-item video[data-orientation="landscape"],
    .stories .carousel-item img[data-orientation="portrait"],
    .stories .carousel-item video[data-orientation="portrait"],
    .stories .carousel-item img[data-orientation="square"],
    .stories .carousel-item video[data-orientation="square"] {
        width: 100%;
        height: 100%;
        object-fit: contain;
        object-position: center center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero {
        padding: calc(var(--spacing-lg) + 160px) 0 var(--spacing-lg);
    }
    
    .hero .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .service-card,
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .language-selector {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .lang-btn {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }

    .corp-catch {
        font-size: 1.25rem;
    }
    
    .corp-contact-cta {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
    }

    .hero-slider {
        height: 300px;
    }
    
    .hero-slider .slide {
        object-fit: cover;
        object-position: center center;
    }

    .stories .carousel-item { 
        min-width: 90vw; 
        max-width: 90vw;
        width: 90vw;
    }
    .stories .carousel-item img,
    .stories .carousel-item video { 
        height: 280px; 
        object-fit: cover;
        object-position: center center;
    }

    /* 小屏幕所有方向图片优化 */
    .stories .carousel-item img[data-orientation="landscape"],
    .stories .carousel-item video[data-orientation="landscape"],
    .stories .carousel-item img[data-orientation="portrait"],
    .stories .carousel-item video[data-orientation="portrait"],
    .stories .carousel-item img[data-orientation="square"],
    .stories .carousel-item video[data-orientation="square"] {
        width: 100%;
        height: 100%;
        object-fit: contain;
        object-position: center center;
    }
}

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

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

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

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.lang-btn:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #000000;
    }
}