/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF6B35;
    --primary-gradient: linear-gradient(135deg, #FF6B35, #FF8C69);
    --secondary-color: #FF8C69;
    --accent-color: #FFB84D;
    --dark-color: #1A1A1A;
    --gray-color: #666666;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --shadow: 0 10px 30px rgba(255, 107, 53, 0.1);
    --shadow-hover: 0 20px 40px rgba(255, 107, 53, 0.15);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-width: 140px;
    text-align: center;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

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

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

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

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 0;
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
    text-decoration: none;
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-logo .logo {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--primary-gradient);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 2px;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-toggle:hover {
    background: rgba(255, 107, 53, 0.1);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* 英雄区 */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, #fff5f0 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--gray-color);
    margin-bottom: 40px;
    line-height: 1.6;
}

.number {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1em;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
}

.stat-item {
    text-align: center;
    padding: 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 107, 53, 0.05);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-color);
    font-weight: 500;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--gray-color);
    font-size: 14px;
    z-index: 10;
    opacity: 0.8;
    transition: var(--transition);
    cursor: pointer;
}

.hero-scroll:hover {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

.hero-scroll span {
    font-weight: 500;
    letter-spacing: 0.5px;
}

.scroll-indicator {
    width: 2px;
    height: 30px;
    background: var(--primary-gradient);
    border-radius: 2px;
    animation: bounce 2s infinite;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about-text h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 40px 0 20px;
    color: var(--dark-color);
    position: relative;
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 16px;
}

/* 时间线 */
.timeline {
    margin: 40px 0;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    background: rgba(255, 107, 53, 0.02);
    border-left: 4px solid var(--primary-color);
}

.timeline-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
    background: rgba(255, 107, 53, 0.05);
}

.timeline-year {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 80px;
    margin-right: 30px;
}

.timeline-content {
    color: var(--dark-color);
    font-weight: 500;
}

/* 企业文化 */
.culture-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 40px 30px;
    border-radius: var(--border-radius-large);
    background: rgba(255, 107, 53, 0.02);
    border: 1px solid rgba(255, 107, 53, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    background: rgba(255, 107, 53, 0.05);
}

.value-item:hover::before {
    transform: scaleX(1);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.value-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--dark-color);
}

.value-desc {
    color: var(--gray-color);
    line-height: 1.6;
    font-size: 14px;
}

/* 核心業務 */
.services {
    padding: 100px 0;
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius-large);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border-top: 4px solid transparent;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.service-icon {
    margin-bottom: 24px;
}

.icon-bg {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.service-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
    color: var(--dark-color);
}

.service-desc {
    color: var(--gray-color);
    line-height: 1.6;
    margin-bottom: 24px;
    text-align: center;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    justify-content: center;
    margin-top: 8px;
}

.service-features span {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition-fast);
    text-align: center;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.service-features span:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

/* 數據展示 */
.data-section {
    padding: 100px 0;
    background: var(--dark-color);
    position: relative;
    overflow: hidden;
}

.data-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23FF6B35" fill-opacity="0.05" points="0,1000 1000,1000 1000,0 0,200"/></svg>');
    background-size: cover;
}

.data-section .section-title,
.data-section .section-subtitle {
    color: var(--white);
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
}

.data-card {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-large);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.data-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.data-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.data-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
}

.data-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

/* 合作伙伴 */
.partners {
    padding: 100px 0;
    background: var(--white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-category {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 107, 53, 0.02);
    border-radius: var(--border-radius-large);
    border: 1px solid rgba(255, 107, 53, 0.1);
    transition: var(--transition);
}

.partner-category:hover {
    background: rgba(255, 107, 53, 0.05);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.partner-category h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--dark-color);
    position: relative;
    display: inline-block;
}

.partner-category h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.partner-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    justify-content: center;
    margin-top: 20px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.partner-list span {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-color);
    padding: 14px 20px;
    border-radius: 30px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    font-size: 14px;
    white-space: nowrap;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-list span:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

/* 聯絡我們 */
.contact {
    padding: 100px 0;
    background: var(--light-gray);
}

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

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--white);
    border-radius: var(--border-radius-large);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.info-icon {
    font-size: 32px;
    margin-right: 20px;
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.info-content p {
    color: var(--gray-color);
    line-height: 1.6;
}

.contact-form {
    background: var(--white);
    padding: 50px 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--primary-gradient);
}

.contact-form h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--dark-color);
    text-align: center;
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
    background: #fafafa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
    background: var(--white);
}

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

.contact-form .btn {
    width: 100%;
    margin-top: 20px;
    font-size: 18px;
    padding: 18px 32px;
}

/* 頁腳 */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 20px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
    text-decoration: none;
}

.footer-logo:hover {
    transform: scale(1.05);
}

.footer-logo .logo {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-logo .logo-text {
    color: var(--white);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* 響應式設計 */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: clamp(32px, 5vw, 48px);
        text-align: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .culture-values {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }
    
    .partner-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
        max-width: 320px;
    }
    
    .service-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }
    
    .partner-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
        max-width: 350px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 20px;
        z-index: 999;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        display: flex;
        transform: translateX(0);
    }
    
    .nav-menu li {
        margin-bottom: 20px;
        opacity: 0;
        animation: fadeInSlide 0.5s ease forwards;
    }
    
    .nav-menu li:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu li:nth-child(2) { animation-delay: 0.2s; }
    .nav-menu li:nth-child(3) { animation-delay: 0.3s; }
    .nav-menu li:nth-child(4) { animation-delay: 0.4s; }
    .nav-menu li:nth-child(5) { animation-delay: 0.5s; }
    .nav-menu li:nth-child(6) { animation-delay: 0.6s; }
    
    @keyframes fadeInSlide {
        to {
            opacity: 1;
            transform: translateY(0);
        }
        from {
            opacity: 0;
            transform: translateY(20px);
        }
    }
    
    .nav-menu a {
        font-size: 20px;
        padding: 15px 0;
        display: block;
        text-align: center;
        border-bottom: 1px solid rgba(255, 107, 53, 0.1);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: clamp(28px, 5.5vw, 42px);
        text-align: center;
    }
    
    .hero-scroll {
        bottom: 20px;
        font-size: 13px;
    }
    
    .hero-scroll span {
        font-size: 12px;
    }
    
    .scroll-indicator {
        height: 25px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 30px 20px;
    }
    
    .services-grid,
    .data-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .partner-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        max-width: 300px;
    }
    
    .partner-list span {
        padding: 12px 16px;
        font-size: 13px;
        min-height: 44px;
    }
    
    .service-features {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .service-features span {
        padding: 10px 16px;
        font-size: 14px;
        min-height: 40px;
    }
    
    .partners-grid {
        gap: 30px;
    }
    
    .partner-list {
        grid-template-columns: 1fr;
        gap: 10px;
        max-width: 280px;
    }
    
    .partner-list span {
        padding: 12px 20px;
        font-size: 14px;
        min-height: 48px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .culture-values {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .timeline-year {
        margin-right: 0;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: clamp(24px, 6vw, 32px);
        text-align: center;
        overflow: hidden;
    }
    
    .hero-scroll {
        bottom: 15px;
        font-size: 12px;
        gap: 8px;
    }
    
    .hero-scroll span {
        font-size: 11px;
    }
    
    .scroll-indicator {
        height: 20px;
        width: 1px;
    }
    
    .hero-stats {
        padding: 20px 15px;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .service-card,
    .value-item {
        padding: 30px 20px;
    }
    
    .info-item {
        padding: 20px;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .info-icon {
        margin-right: 0;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* 滾動動畫 */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 載入動畫 */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* 改善無障礙設計 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-animate {
        opacity: 1;
        transform: none;
    }
}

/* 高對比度模式支援 */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        --border-radius: 4px;
    }
    
    .btn-secondary {
        border-width: 3px;
    }
}

/* 暗色模式支援 */
@media (prefers-color-scheme: dark) {
    /* 可以在這裡添加暗色主題 */
}