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

:root {
    --brown-dark: #3d2314;
    --brown: #5c3a21;
    --brown-light: #8b5a2b;
    --gold: #d4a84b;
    --gold-light: #e8c97a;
    --cream: #f5f0e6;
    --text: #2c1810;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--cream);
    color: var(--text);
    line-height: 1.8;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--brown-dark) 0%, var(--brown) 50%, var(--brown-light) 100%);
    color: var(--gold);
    padding: 120px 20px;
    text-align: center;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 L35 25 L30 20 L25 25 Z' fill='%23d4a84b' fill-opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero .subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: 16px;
    color: var(--gold-light);
}

.hero .desc {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Nav */
.nav {
    background: var(--brown-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    padding: 16px 0;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--cream);
    padding: 16px 0;
    transition: color 0.3s;
}

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

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--brown);
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 16px auto 0;
}

.section-dark {
    background: var(--brown);
    color: var(--cream);
}

.section-dark .section-title {
    color: var(--gold);
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(61,35,20,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(212,168,75,0.2);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(61,35,20,0.15);
}

.product-img {
    font-size: 4rem;
    margin-bottom: 16px;
}

.product-card h3 {
    color: var(--brown);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.product-card .price {
    color: var(--gold-light);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-card p:last-child {
    color: #666;
    font-size: 0.95rem;
}

/* About */
.about-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about-content > p {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    text-align: left;
}

.features li {
    padding: 12px 20px;
    background: rgba(212,168,75,0.15);
    border-radius: 6px;
    border-left: 3px solid var(--gold);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.contact-item {
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid rgba(212,168,75,0.2);
}

.contact-item h3 {
    color: var(--gold-light);
    font-size: 1rem;
    margin-bottom: 10px;
}

.contact-item p {
    color: var(--brown);
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: var(--brown-dark);
    color: var(--gold);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-inner {
        flex-direction: column;
        padding: 10px 0;
    }

    .nav-links {
        gap: 20px;
    }

    .hero {
        padding: 80px 20px;
    }

    .section {
        padding: 50px 0;
    }

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