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

:root {
    --primary-color: #1a3d2e;
    --secondary-color: #2d5a3d;
    --accent-color: #4ade80;
    --accent-green: #22c55e;
    --accent-green-light: #86efac;
    --accent-green-dark: #16a34a;
    --accent-forest: #166534;
    --accent-sage: #9ca3af;
    --accent-earth: #a16207;
    --accent-sky: #0ea5e9;
    --text-dark: #1a3d2e;
    --text-light: #64748b;
    --bg-light: #f0fdf4;
    --bg-dark: #1a3d2e;
    --bg-white: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.1);
    --bg-glass-dark: rgba(26, 61, 46, 0.8);
    --bg-nature: #ecfdf5;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(34, 197, 94, 0.15);
    --shadow-glow: 0 0 30px rgba(34, 197, 94, 0.3);
    --shadow-green: 0 0 30px rgba(22, 163, 74, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 30%, #ffffff 60%, #f0fdf4 100%);
    background-attachment: fixed;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(34, 197, 94, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(22, 163, 74, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(134, 239, 172, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    gap: 1rem;
}

/* Logo设计 - 专门设计的独特风格，融合BIO和AI元素 */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.03), rgba(22, 163, 74, 0.03));
    border: 1px solid rgba(34, 197, 94, 0.1);
}

.nav-brand::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), transparent);
    border-radius: 12px;
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.nav-brand:hover {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(22, 163, 74, 0.05));
    transform: translateY(-2px);
    border-color: rgba(34, 197, 94, 0.2);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.15);
}

.nav-brand:hover::before {
    opacity: 1;
}

.nav-brand:hover .logo-icon {
    transform: scale(1.1) rotate(5deg);
    border-color: rgba(34, 197, 94, 0.5);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.nav-brand:hover .logo-decoration {
    width: 100%;
    opacity: 1;
}

.nav-brand:hover .logo-main {
    filter: drop-shadow(0 2px 4px rgba(34, 197, 94, 0.3));
}

.nav-brand:hover .logo-sub {
    opacity: 1;
    color: var(--accent-green-dark);
}

/* Logo图标 - 融合山脉和连接线，体现贸易连接 */
.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(22, 163, 74, 0.08));
    border-radius: 10px;
    border: 1.5px solid rgba(34, 197, 94, 0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.2) 0%, transparent 70%);
    animation: iconGlow 3s ease-in-out infinite;
}

@keyframes iconGlow {
    0%, 100% {
        opacity: 0.5;
        transform: rotate(0deg);
    }
    50% {
        opacity: 0.8;
        transform: rotate(180deg);
    }
}

.logo-icon svg {
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 2px 4px rgba(34, 197, 94, 0.3));
}

/* Logo文字 - 分层设计，更具专业感 */
.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    position: relative;
    z-index: 1;
}

.logo-main {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-green-dark) 0%, var(--accent-green) 50%, var(--accent-forest) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    position: relative;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.logo-main::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-green-dark), var(--accent-green));
    transition: var(--transition-slow);
    border-radius: 2px;
}

.nav-brand:hover .logo-main::after {
    width: 100%;
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-green);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.8;
    margin-top: -2px;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

/* Logo装饰线 */
.logo-decoration {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--accent-green-dark), var(--accent-green), var(--accent-green-light));
    border-radius: 2px;
    transition: var(--transition-slow);
    opacity: 0;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-brand {
        padding: 0.4rem 0.8rem;
        gap: 0.5rem;
    }
    
    .logo-icon {
        width: 32px;
        height: 32px;
    }
    
    .logo-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .logo-main {
        font-size: 1.1rem;
    }
    
    .logo-sub {
        font-size: 0.65rem;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-green-dark), var(--accent-green));
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.4);
}

.nav-link:hover {
    color: var(--accent-green-dark);
    transform: translateY(-2px);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

/* 英雄区 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #1a3d2e 0%, #2d5a3d 30%, #166534 70%, #1a3d2e 100%);
    color: white;
    overflow: hidden;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(34,197,94,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
    animation: gridMove 20s linear infinite;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(34, 197, 94, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(22, 163, 74, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(134, 239, 172, 0.08) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
    z-index: 1;
}

/* 添加山脉轮廓装饰 - 体现奥地利自然风光 */
.hero-overlay::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,120 L200,80 L400,100 L600,60 L800,90 L1000,50 L1200,70 L1200,120 Z" fill="rgba(22,163,74,0.15)"/><path d="M0,120 L150,90 L350,110 L550,70 L750,100 L950,60 L1200,80 L1200,120 Z" fill="rgba(34,197,94,0.1)"/></svg>') bottom center / cover no-repeat;
    opacity: 0.5;
    z-index: 2;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(100px, 100px);
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(100px, 100px);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    width: 100%;
    padding: 0 20px;
    animation: fadeInUp 1s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
    z-index: -1;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--accent-green-light) 50%, var(--accent-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(34, 197, 94, 0.4);
    letter-spacing: -1px;
    animation: titleGlow 3s ease-in-out infinite;
    position: relative;
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-green-light), var(--accent-green), transparent);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.5);
    animation: lineGlow 2s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(34, 197, 94, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 30px rgba(22, 163, 74, 0.5));
    }
}

@keyframes lineGlow {
    0%, 100% {
        opacity: 0.6;
        width: 100px;
    }
    50% {
        opacity: 1;
        width: 150px;
    }
}

.hero-middle {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 400;
    color: white;
    text-align: center;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
    display: inline-block;
    width: auto;
    max-width: none;
    word-break: keep-all;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 10px;
    }
    100% {
        opacity: 0;
        top: 30px;
    }
}

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

/* 按钮 */
.btn {
    display: inline-block;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-slow);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green-dark) 0%, var(--accent-green) 100%);
    color: white;
    box-shadow: 0 8px 30px rgba(34, 197, 94, 0.3), 0 0 20px rgba(22, 163, 74, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 40px rgba(34, 197, 94, 0.4), 0 0 30px rgba(22, 163, 74, 0.3);
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-green-dark) 100%);
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.02);
}

/* 章节标题 */
.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-green-dark) 50%, var(--accent-forest) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -1px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-green-dark), var(--accent-green));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    font-weight: 400;
}

/* 关于我们 */
.about {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-white) 0%, #f8fafc 100%);
    position: relative;
    z-index: 1;
}

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

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.founder-highlights {
    display: flex;
    justify-content: space-around;
    margin-top: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(22, 163, 74, 0.05));
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(34, 197, 94, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.highlight-item {
    text-align: center;
    transition: var(--transition);
    padding: 1rem;
    border-radius: 15px;
}

.highlight-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.15);
}

.highlight-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-green-dark) 0%, var(--accent-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.highlight-item:hover .highlight-number {
    transform: scale(1.1);
}

.highlight-label {
    display: block;
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 600;
}

/* 核心业务 */
.services {
    padding: 120px 0;
    background: linear-gradient(180deg, #f8fafc 0%, var(--bg-white) 100%);
    position: relative;
    z-index: 1;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}

.service-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.1);
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-green-dark), var(--accent-green), var(--accent-green-light));
    transform: scaleX(0);
    transition: var(--transition-slow);
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-slow);
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 60px rgba(34, 197, 94, 0.15), 0 0 40px rgba(22, 163, 74, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
}

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

.service-card:hover::after {
    opacity: 1;
    animation: cardGlow 2s ease-in-out infinite;
}

@keyframes cardGlow {
    0%, 100% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(180deg);
    }
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 8px 16px rgba(34, 197, 94, 0.3));
}

.service-title {
    font-size: 1.6rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-green-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
}

.service-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
    font-size: 1rem;
}

.service-features {
    list-style: none;
    padding: 0;
    position: relative;
    z-index: 1;
}

.service-features li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    position: relative;
    padding-left: 2rem;
    transition: var(--transition);
    font-weight: 500;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-green-dark), var(--accent-green));
    color: white;
    font-weight: bold;
    border-radius: 50%;
    font-size: 0.7rem;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
    transition: var(--transition);
}

.service-features li:hover {
    color: var(--accent-green-dark);
    transform: translateX(5px);
    padding-left: 2.2rem;
}

.service-features li:hover::before {
    transform: scale(1.2) rotate(360deg);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.5);
}

/* 联系我们 */
.contact {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-white) 0%, #f8fafc 100%);
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.info-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(22, 163, 74, 0.1));
    border-radius: 15px;
    border: 1px solid rgba(34, 197, 94, 0.2);
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.1);
}

.info-item:hover .info-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(22, 163, 74, 0.2));
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.2);
}

.info-text h4 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-green-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.info-text p {
    color: var(--text-light);
}

.social-link {
    color: var(--accent-green);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.social-link:hover {
    color: var(--accent-green-dark);
    transform: translateX(5px);
    text-shadow: 0 0 10px rgba(34, 197, 94, 0.3);
}

.contact-form {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(34, 197, 94, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 0 0 20px rgba(34, 197, 94, 0.05);
    transition: var(--transition);
}

.contact-form:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 0 30px rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* 页脚 */
.footer {
    background: linear-gradient(180deg, var(--text-dark) 0%, #0a0e27 100%);
    color: white;
    padding: 4rem 0 1.5rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-green-dark), var(--accent-green), transparent);
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.footer-brand h3 {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-green-light) 0%, var(--accent-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-brand p {
    opacity: 0.8;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* 社交媒体链接 */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    text-decoration: none;
}

.social-icon:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: var(--accent-green);
    color: var(--accent-green-light);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

.footer-links h4,
.footer-services h4 {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-green-light) 0%, var(--accent-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-links ul,
.footer-services ul {
    list-style: none;
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 0.75rem;
    opacity: 0.8;
    transition: var(--transition);
    padding-left: 0.5rem;
}

.footer-links ul li:hover,
.footer-services ul li:hover {
    opacity: 1;
    transform: translateX(5px);
    color: var(--accent-cyan);
}

.footer-links ul li a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-links ul li a:hover {
    color: var(--accent-green);
    transform: translateX(5px);
    text-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    position: relative;
    z-index: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }


    .navbar .container {
        flex-wrap: wrap;
    }

    .nav-brand {
        order: 1;
    }

    .nav-menu {
        order: 3;
    }

    .nav-toggle {
        order: 2;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .hero-middle {
        font-size: 1rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        white-space: nowrap;
        overflow: visible;
        text-overflow: clip;
        display: inline-block;
        width: auto;
        max-width: none;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .founder-highlights {
        flex-direction: column;
        gap: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-middle {
        font-size: 0.9rem;
    }

    .hero-subtitle {
        font-size: 0.85rem;
        white-space: nowrap;
        overflow: visible;
        text-overflow: clip;
        display: inline-block;
        width: auto;
        max-width: none;
    }

    .container {
        padding: 0 15px;
    }

    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
}