/* ===== 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #996D46;
    --primary-dark: #7A5838;
    --primary-light: #B8916A;
    --secondary-color: #C4885F;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #F0F2F5;
    --border-color: #E0E0E0;
    --gradient-primary: linear-gradient(135deg, #996D46 0%, #B8916A 100%);
    --gradient-secondary: linear-gradient(135deg, #C4885F 0%, #D9A07A 100%);
    --shadow-sm: 0 2px 12px rgba(153, 109, 70, 0.08);
    --shadow-md: 0 8px 24px rgba(153, 109, 70, 0.12);
    --shadow-lg: 0 16px 48px rgba(153, 109, 70, 0.16);
    --shadow-xl: 0 24px 64px rgba(153, 109, 70, 0.24);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(153, 109, 70, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo img {
    height: 56px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 17px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ===== 首页横幅 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 90px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/背景.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    filter: brightness(0.5);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(153, 109, 70, 0.5) 0%, rgba(122, 88, 56, 0.7) 100%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 40px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 12px 32px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    color: white;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 32px;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 80px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: white;
    letter-spacing: -2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 36px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-description {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 56px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
    background: var(--primary-light);
    color: white;
}

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

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-4px);
}

.btn-full {
    width: 100%;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    font-size: 14px;
    opacity: 0.8;
    z-index: 2;
}

.scroll-icon {
    width: 24px;
    height: 40px;
    border: 2px solid white;
    border-radius: 12px;
    margin: 8px auto 0;
    position: relative;
}

.scroll-icon::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0.5;
    }
}

/* ===== 通用章节样式 ===== */
section {
    padding: 140px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 100px;
}

.section-title {
    font-size: 56px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -1.5px;
}

.section-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ===== 精选目的地 ===== */
.destinations {
    background: var(--bg-primary);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 300px);
    gap: 24px;
}

.destination-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.destination-card.large {
    grid-column: span 2;
}

.destination-image {
    width: 100%;
    height: 100%;
    position: relative;
}

.destination-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.destination-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    padding: 32px;
    transition: all 0.4s ease;
}

.destination-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

.destination-content {
    color: white;
}

.destination-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.destination-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.destination-content p {
    font-size: 16px;
    opacity: 0.9;
}

/* ===== 服务项目 ===== */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.service-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-content {
    padding: 32px;
}

.service-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 16px;
    color: white;
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
}

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

/* ===== 品牌特色 ===== */
.features {
    background: white;
    position: relative;
    overflow: hidden;
}

.features-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: url('images/背景2.png');
    background-size: cover;
    background-position: center;
    opacity: 1;
}

.features-content {
    max-width: 900px;
    margin: 0 auto 80px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 56px;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.feature-item:hover {
    background: white;
    box-shadow: var(--shadow-lg);
    border-color: rgba(153, 109, 70, 0.1);
    transform: translateX(8px);
}

.feature-number {
    font-size: 64px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-text p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.value-statement {
    text-align: center;
    padding: 64px;
    background: var(--gradient-primary);
    border-radius: 32px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.value-statement::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

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

.value-statement blockquote {
    font-size: 36px;
    font-weight: 700;
    color: white;
    line-height: 1.5;
    font-style: italic;
    position: relative;
    z-index: 1;
}

/* ===== 产教融合 ===== */
.education {
    background: var(--bg-secondary);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.education-card {
    background: white;
    padding: 56px 40px;
    border-radius: 24px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    border: 1px solid transparent;
}

.education-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(153, 109, 70, 0.2);
}

.education-icon {
    font-size: 72px;
    margin-bottom: 28px;
}

.education-card h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.education-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== 联系我们 ===== */
.contact {
    background: white;
    position: relative;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/背景3.png');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: 20px;
    transition: all 0.4s ease;
}

.info-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.info-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.info-text h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.info-text p {
    font-size: 17px;
    color: var(--text-secondary);
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: var(--bg-secondary);
    padding: 48px;
    border-radius: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 20px 24px;
    font-size: 17px;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    background: white;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(153, 109, 70, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ===== 页脚 ===== */
.footer {
    background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%);
    color: white;
    padding: 100px 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 56px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
    height: 56px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 100px;
}

.footer-column h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 28px;
}

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

.footer-column li {
    margin-bottom: 16px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: white;
    padding-left: 8px;
}

.footer-bottom {
    text-align: center;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .destinations-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }
    
    .destination-card.large {
        grid-column: span 1;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .container {
        padding: 0 40px;
    }
    
    .hero-title {
        font-size: 60px;
    }
    
    .hero-subtitle {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 44px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .education-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
    
    .nav-container {
        padding: 0 24px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 32px;
        gap: 20px;
        border-top: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 44px;
    }
    
    .hero-subtitle {
        font-size: 22px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-scroll {
        display: none;
    }
    
    section {
        padding: 100px 0;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        flex-direction: column;
        gap: 20px;
    }
    
    .value-statement blockquote {
        font-size: 28px;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 56px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .service-card,
    .education-card {
        padding: 40px 32px;
    }
}