:root {
    --primary-color: #79b4a9;
    --primary-hover: #5d9388;
    --bg-color: #f4f9f6;
    --text-color: #2c3e35;
    --accent-gold: #c8a261;
    --card-bg: rgba(255, 255, 255, 0.9);
    --border-color: rgba(121, 180, 169, 0.15);
}
body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
}
.celadon-header {
    background: rgba(244, 249, 246, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    height: 65px;
    position: sticky;
    top: 0;
    z-index: 999;
}
.celadon-logo img {
    height: 48px;
    margin-top: 8px;
}
.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
}
.nav-link:hover {
    color: var(--primary-color) !important;
}
.split-container {
    display: flex;
    min-height: calc(100vh - 65px);
}
.left-slogan-panel {
    width: 50%;
    background: #eef5f2;
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid var(--border-color);
    box-sizing: border-box;
}
.right-product-panel {
    width: 50%;
    padding: 60px;
    box-sizing: border-box;
}
.slogan-title {
    font-size: 42px;
    font-weight: bold;
    color: var(--text-color);
    line-height: 1.4;
    margin-bottom: 25px;
}
.slogan-desc {
    font-size: 16px;
    color: #617a72;
    line-height: 1.8;
}
.celadon-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(121, 180, 169, 0.05);
    transition: all 0.3s ease;
    margin-bottom: 20px;
}
.celadon-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 8px 30px rgba(200, 162, 97, 0.12);
}
.celadon-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff !important;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    padding: 0 24px;
    height: 44px;
    line-height: 44px;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    transition: all 0.3s;
}
.celadon-btn:hover {
    opacity: 0.9;
    box-shadow: 0 4px 12px rgba(121, 180, 169, 0.3);
}
@media (max-width: 768px) {
    .split-container {
        flex-direction: column;
    }
    .left-slogan-panel, .right-product-panel {
        width: 100%;
        padding: 30px 20px;
    }
    .slogan-title {
        font-size: 28px;
    }
}