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

:root {
    --color-primary: #2C7A7B;
    --color-primary-light: #4DB5A8;
    --color-primary-dark: #1A5354;
    --color-secondary: #E6FFFA;
    --color-accent: #F6E05E;
    --color-text-dark: #1A202C;
    --color-text-medium: #4A5568;
    --color-text-light: #718096;
    --color-bg-light: #F7FAFC;
    --color-white: #FFFFFF;
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.8;
    color: var(--color-text-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary-dark);
    letter-spacing: 2px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 48px;
}

nav a {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-medium);
    text-decoration: none;
    letter-spacing: 0.5px;
    position: relative;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transition: width 0.3s ease;
}

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

nav a:hover::after {
    width: 100%;
}

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 72px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=beautiful%20landscape%20mountain%20lake%20sunrise%20travel%20destination%20serene%20nature%20photography&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 83, 84, 0.85) 0%, rgba(44, 122, 123, 0.75) 50%, rgba(77, 181, 168, 0.65) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 60px 0;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 64px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 4px;
    margin-bottom: 24px;
    line-height: 1.3;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 2px;
    margin-bottom: 40px;
}

.hero-decoration {
    display: flex;
    justify-content: center;
}

.decorative-line {
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    animation: expandLine 1.5s ease-out 0.5s both;
}

.section {
    padding: 120px 0;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: 1px;
    margin-bottom: 20px;
    line-height: 1.3;
}

.section-description {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 300;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.philosophy-section {
    background-color: var(--color-white);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.philosophy-card {
    text-align: center;
    padding: 48px 32px;
    background: var(--color-white);
    border-radius: 8px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.philosophy-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.philosophy-card:hover::before {
    transform: scaleX(1);
}

.philosophy-icon {
    font-size: 48px;
    color: var(--color-primary);
    margin-bottom: 24px;
    opacity: 0.8;
}

.philosophy-card h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.philosophy-card p {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 400;
    color: var(--color-text-light);
    line-height: 1.8;
}

.values-section {
    background-color: var(--color-secondary);
}

.values-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.values-text .section-tag,
.values-text .section-title {
    text-align: left;
}

.values-text .section-title {
    margin-bottom: 48px;
}

.value-item {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    padding: 24px;
    background: var(--color-white);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateX(8px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.value-item:last-child {
    margin-bottom: 0;
}

.value-number {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.3;
    min-width: 50px;
}

.value-content h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}

.value-content p {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 400;
    color: var(--color-text-light);
    line-height: 1.7;
}

.values-visual {
    position: relative;
    height: 500px;
}

.values-image {
    width: 100%;
    height: 100%;
    background-image: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=luxury%20travel%20agency%20office%20professional%20team%20meeting%20modern%20interior%20warm%20lighting&image_size=square_hd');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease;
}

.values-image:hover {
    transform: scale(1.02);
}

.values-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 122, 123, 0.2) 0%, transparent 100%);
}

.about-section {
    background-color: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-image {
    width: 100%;
    height: 500px;
    background-image: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=happy%20travelers%20enjoying%20vacation%20beautiful%20destination%20group%20of%20people%20smiling%20travel%20experience&image_size=square_hd');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease;
}

.about-image:hover {
    transform: scale(1.02);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 122, 123, 0.15) 0%, transparent 100%);
}

.about-text .section-tag,
.about-text .section-title {
    text-align: left;
}

.about-text .section-title {
    margin-bottom: 32px;
}

.about-description {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-medium);
    line-height: 1.9;
    margin-bottom: 24px;
}

.about-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
}

.contact-section {
    background-color: var(--color-bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-info .section-tag,
.contact-info .section-title {
    text-align: left;
}

.contact-info .section-title {
    margin-bottom: 20px;
}

.contact-description {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 300;
    color: var(--color-text-light);
    margin-bottom: 48px;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-method {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: var(--color-white);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateX(8px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.contact-icon {
    font-size: 32px;
    min-width: 40px;
}

.contact-details h4 {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}

.contact-details p {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 400;
    color: var(--color-text-light);
}

.contact-visual {
    position: relative;
    height: 400px;
}

.contact-image {
    width: 100%;
    height: 100%;
    background-image: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=warm%20and%20inviting%20travel%20agency%20reception%20friendly%20staff%20helping%20customers%20cozy%20interior&image_size=square_hd');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease;
}

.contact-image:hover {
    transform: scale(1.02);
}

.contact-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 122, 123, 0.2) 0%, transparent 100%);
}

footer {
    background: linear-gradient(135deg, var(--color-text-dark), var(--color-primary-dark));
    padding: 60px 0;
}

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

.footer-logo {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.footer-tagline {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.footer-copyright {
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.footer-icp {
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.5px;
}

.footer-icp a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-icp a:hover {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: underline;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes expandLine {
    from {
        width: 0;
    }
    to {
        width: 80px;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 1024px) {
    .values-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .values-visual {
        height: 400px;
        order: -1;
    }

    .about-visual {
        order: -1;
    }

    .about-image {
        height: 400px;
    }

    .contact-visual {
        height: 300px;
        order: -1;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 16px;
        padding: 16px 24px;
    }

    nav ul {
        gap: 32px;
    }

    .hero-section {
        margin-top: 100px;
    }

    .hero-title {
        font-size: 42px;
        letter-spacing: 2px;
    }

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

    .section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 32px;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about-stats {
        gap: 32px;
        flex-wrap: wrap;
    }

    .stat-number {
        font-size: 36px;
    }

    .values-visual {
        height: 350px;
    }

    .about-image {
        height: 350px;
    }

    .contact-visual {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 20px;
    }

    nav ul {
        gap: 20px;
    }

    nav a {
        font-size: 14px;
    }

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

    .hero-subtitle {
        font-size: 14px;
    }

    .section-title {
        font-size: 28px;
    }

    .value-item {
        flex-direction: column;
        gap: 12px;
    }

    .about-stats {
        flex-direction: column;
        gap: 24px;
    }

    .values-visual {
        height: 280px;
    }

    .about-image {
        height: 280px;
    }

    .contact-visual {
        height: 200px;
    }
}