:root {
    --primary: #059669;
    --primary-light: #10B981;
    --primary-dark: #047857;
    --accent: #F59E0B;
    --bg-main: #FFFFFF;
    --bg-light: #F9FAFB;
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --border: #F3F4F6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-main);
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

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

/* Header */
header {
    background: rgba(255, 255, 255, 0.85);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: padding 0.3s ease;
}

header.scrolled .header-inner {
    padding: 10px 0;
}

.logo {
    font-family: 'ZCOOL XiaoWei', 'Zhi Mang Xing', serif;
    font-size: 32px;
    font-weight: 400;
    color: var(--text-main);
    letter-spacing: 2px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.05);
}

.logo span {
    color: var(--primary);
    font-family: 'Inter', sans-serif;
    font-weight: 700;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: url('../images/hero.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    max-width: 800px;
    padding: 0 20px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-content h2 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 40px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.btn {
    display: inline-block;
    padding: 16px 36px;
    background-color: var(--primary);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.4);
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.5);
}

/* Sections */
.section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-main);
}

.divider {
    height: 4px;
    width: 60px;
    background-color: var(--primary);
    margin: 0 auto 30px;
    border-radius: 2px;
}

.mx-auto { margin-left: auto; margin-right: auto; }

.section-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.product-card {
    background: var(--bg-main);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

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

.card-img {
    height: 240px;
    background-size: cover;
    background-position: center;
}

.card-content {
    padding: 24px;
}

.card-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-main);
}

.card-content p {
    color: var(--text-muted);
    font-size: 15px;
}

/* Contact */
.contact-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-box .desc {
    margin-bottom: 40px;
    color: var(--text-muted);
    font-size: 18px;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-item .label {
    font-size: 13px;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.info-item .value {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-main);
}

/* Footer */
footer {
    background-color: var(--text-main);
    color: #fff;
    padding: 40px 0;
    text-align: center;
}

footer p {
    opacity: 0.6;
    font-size: 14px;
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* In a real project, add a hamburger menu */
    }
    .header-inner {
        justify-content: center;
    }
    .section {
        padding: 60px 0;
    }
    .contact-box {
        padding: 30px 20px;
    }
    .contact-details {
        flex-direction: column;
        gap: