/* 全局重置 */
:root {
    --bg-color: #0a0c10;
    --text-color: #e0e0e0;
    --accent-color: #d4af37; /* 奢华金 */
    --secondary-bg: #111318;
    --white: #ffffff;
    --font-main: 'Noto Serif SC', serif;
    --font-title: 'Cinzel', serif;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

/* 容器与通用类 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section {
    padding: 120px 0;
}

.section-subtitle {
    font-family: var(--font-title);
    font-size: 0.9rem;
    letter-spacing: 4px;
    color: var(--accent-color);
    display: block;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 60px;
    letter-spacing: 2px;
}

.dark-text {
    color: #1a1a1a;
}

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

.light-bg {
    background-color: #f5f5f5;
    color: #1a1a1a;
}

/* 导航栏 */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 25px 0;
    z-index: 1000;
    transition: background-color 0.3s, padding 0.3s;
    mix-blend-mode: difference; /* 高级感技巧：混合模式 */
    color: #fff;
}

#navbar.scrolled {
    background-color: rgba(10, 12, 16, 0.95);
    padding: 15px 0;
    mix-blend-mode: normal;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-main);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo-en {
    font-family: var(--font-title);
    font-size: 0.8rem;
    margin-left: 10px;
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: 0.3s;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background-image: url('https://images.unsplash.com/photo-1469854523086-cc02fe5d8800?ixlib=rb-4.0.3&auto=format&fit=crop&w=2021&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* 视差滚动效果 */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4); /* 遮罩层 */
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
}

.hero-title {
    font-size: 4rem;
    font-weight: 300;
    line-height: 1.3;
    letter-spacing: 5px;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-family: var(--font-title);
    font-size: 1.2rem;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.8);
}

.hero-divider {
    width: 60px;
    height: 1px;
    background-color: var(--accent-color);
    margin: 40px auto 0;
}

/* 内容板块 */
.content-grid {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

.text-block p {
    margin-bottom: 20px;
}

/* 目的地卡片 */
.destination-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.4s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
}

.card-image {
    height: 250px;
    background-size: cover;
    background-position: center;
}

.card-content {
    padding: 30px;
}

.card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.card-content p {
    color: #666;
    font-size: 0.95rem;
}

/* 服务板块 */
.services-flex {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 40px;
}

.service-item {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 40px 20px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: 0.3s;
}

.service-item:hover {
    border-color: var(--accent-color);
    background: rgba(255,255,255,0.02);
}

.service-item .icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.service-item p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

/* 联系板块 */
.contact-section {
    background-color: #08090c;
    padding: 100px 0 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.logo-large {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.contact-intro {
    margin-bottom: 80px;
    color: rgba(255,255,255,0.5);
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 100px;
    flex-wrap: wrap;
}

.contact-item .label {
    font-family: var(--font-title);
    font-size: 0.8rem;
    color: var(--accent-color);
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.site-footer {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 40px;
}

/* 动画相关 */
.fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

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

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }

/* 移动端适配 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-container {
        flex-direction: column;
    }
    
    .nav-links {
        margin-top: 20px;
        gap: 20px;
    }
    
    .contact-details {
        flex-direction: column;
        gap: 40px;
    }
}