/* ============================================
   跃云巅官网样式 - 华为风格设计
   配色方案：绿色/青色系（区别于其他项目）
   ============================================ */

:root {
    /* 主色调 - 绿色/青色系 */
    --primary-color: #00C853;        /* 主绿色 */
    --primary-dark: #00A844;          /* 深绿色 */
    --primary-light: #4DD865;         /* 浅绿色 */
    --accent-color: #00BCD4;         /* 青色 */
    --accent-dark: #0097A7;          /* 深青色 */
    
    /* 中性色 */
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #fafafa;
    
    /* 边框和阴影 */
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* 字体 */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* ============================================
   导航栏
   ============================================ */

.global-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.1em;
}

.logo-en {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.2em;
}

.main-nav {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* ============================================
   Hero 区域
   ============================================ */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 200, 83, 0.1) 0%, transparent 70%);
    top: -300px;
    right: -300px;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 188, 212, 0.1) 0%, transparent 70%);
    bottom: -250px;
    left: -250px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.95) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

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

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 200, 83, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 600px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-visual {
    animation: fadeInRight 1s ease-out 0.3s both;
}

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

.hero-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, rgba(0, 188, 212, 0.1) 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(0, 200, 83, 0.3);
    color: var(--primary-color);
    overflow: hidden;
}

.placeholder-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 24px;
}

.placeholder-content p {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--primary-color);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
}

/* ============================================
   按钮样式
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

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

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* ============================================
   通用容器和区域
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ============================================
   核心价值区域
   ============================================ */

.values-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.value-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(30px);
}

.value-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 200, 83, 0.1);
    border-radius: 50%;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   服务展示区域
   ============================================ */

.services-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.service-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-image {
    width: 100%;
    height: 200px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    opacity: 0.5;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    gap: 1rem;
    color: var(--primary-dark);
}

/* ============================================
   技术优势区域
   ============================================ */

.advantages-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-tertiary);
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.advantages-text {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.advantage-item {
    display: flex;
    gap: 1.5rem;
    opacity: 0;
    transform: translateX(-30px);
}

.advantage-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.advantage-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.3;
    line-height: 1;
    flex-shrink: 0;
}

.advantage-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.advantage-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.advantages-visual {
    opacity: 0;
    transform: translateX(30px);
}

.advantages-visual.animate {
    opacity: 1;
    transform: translateX(0);
}

.visual-placeholder {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, rgba(0, 188, 212, 0.1) 100%);
    border-radius: 24px;
    border: 2px dashed rgba(0, 200, 83, 0.3);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 当 visual-placeholder 包含图片时，填充整个区域 */
.visual-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 24px;
    position: absolute;
    inset: 0;
}

/* 当包含图片时，调整容器样式 */
.visual-placeholder:has(img),
.intro-visual .visual-placeholder {
    overflow: hidden;
    position: relative;
    padding: 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.tech-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    border: 2px solid rgba(0, 200, 83, 0.2);
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

/* ============================================
   合作伙伴区域
   ============================================ */

.partners-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.partner-logo {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.9);
}

.partner-logo.animate {
    opacity: 1;
    transform: scale(1);
}

.partner-logo:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.logo-placeholder {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   页脚
   ============================================ */

.global-footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ============================================
   关于我们页面
   ============================================ */

.page-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
    text-align: center;
    margin-top: 80px;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.about-intro {
    padding: var(--spacing-2xl) 0;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.intro-text .lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.intro-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.intro-visual {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.intro-visual.animate {
    opacity: 1;
    transform: translateX(0);
}

.mission-vision {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.mv-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.mv-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.mv-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.mv-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 200, 83, 0.1);
    border-radius: 50%;
}

.mv-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.mv-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.timeline-section {
    padding: var(--spacing-2xl) 0;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateX(-30px);
}

.timeline-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -3.5rem;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid white;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.team-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.team-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.team-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.team-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 200, 83, 0.1);
    border-radius: 50%;
}

.team-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.team-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   联系我们页面
   ============================================ */

.contact-info {
    padding: var(--spacing-2xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.contact-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 200, 83, 0.1);
    border-radius: 50%;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: var(--primary-dark);
}

.contact-form-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-header p {
    color: var(--text-secondary);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
}

.map-section {
    padding: var(--spacing-2xl) 0;
}

.map-placeholder {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 4rem;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
}

.map-content {
    text-align: center;
    color: var(--text-secondary);
}

.map-content svg {
    margin-bottom: 1rem;
    color: var(--primary-color);
    opacity: 0.5;
}

.map-address {
    margin-top: 1rem;
    font-size: 1.125rem;
    color: var(--text-primary);
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}