/* 空间总则卡片 */
        .principle-card {
            background: var(--color-white); border-radius: var(--border-radius);
            padding: 44px 38px; box-shadow: var(--shadow-soft);
            border-left: 4px solid var(--color-mid);
        }
        .principle-card p { font-size: 0.95rem; color: var(--color-mid-dark); line-height: 1.85; }
        .principle-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
        .principle-tag {
            background: var(--color-bg-lighter); color: var(--color-dark);
            font-size: 0.82rem; font-weight: 500; padding: 6px 16px; border-radius: 20px;
        }

        /* 风格大卡片 - 新颖设计 */
        .style-block {
            display: flex; flex-wrap: wrap; margin-bottom: 60px;
            background: var(--color-white); border-radius: var(--border-radius);
            box-shadow: var(--shadow-soft); overflow: hidden;
            transition: var(--transition-smooth);
        }
        .style-block:hover { box-shadow: var(--shadow-lift); transform: translateY(-4px); }
        .style-block .style-image {
            flex: 0 0 40%; min-height: 420px;
            background-size: cover; background-position: center;
            position: relative; display: flex; align-items: flex-end;
        }
        .style-block .style-image::after {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, transparent 40%);
            z-index: 1;
        }
        .style-block .style-image .image-label {
            position: relative; z-index: 2; padding: 20px 24px;
            color: #fff; font-family: var(--font-heading); font-size: 2rem;
            font-weight: 600; letter-spacing: 0.06em; text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        .style-block .style-content {
            flex: 1; padding: 40px 36px; display: flex; flex-direction: column; justify-content: center;
        }
        .style-block .style-content .style-eng {
            font-size: 0.75rem; letter-spacing: 0.08em; color: var(--color-mid);
            text-transform: uppercase; margin-bottom: 8px;
        }
        .style-block .style-content h3 {
            font-family: var(--font-heading); font-size: 1.5rem; font-weight: 600;
            color: var(--color-dark); letter-spacing: 0.04em; margin-bottom: 12px;
        }
        .style-block .style-content .style-desc {
            font-size: 0.9rem; color: var(--color-mid-dark); line-height: 1.7; margin-bottom: 16px;
        }
        .style-keywords { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
        .style-keywords .kw-tag {
            background: var(--color-bg-lighter); color: var(--color-dark);
            font-size: 0.78rem; font-weight: 500; padding: 5px 14px; border-radius: 20px;
            border: 1px solid rgba(160,160,160,0.15);
        }
        .btn-style-link {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--color-dark); color: #fff; border: none; border-radius: 50px;
            padding: 10px 22px; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.04em;
            transition: var(--transition-smooth); align-self: flex-start;
        }
        .btn-style-link:hover { background: #1a1a1a; color: #fff; }

        /* 交替布局 */
        .style-block.reverse { flex-direction: row-reverse; }
        @media (max-width: 991px) {
            .style-block { flex-direction: column; }
            .style-block.reverse { flex-direction: column; }
            .style-block .style-image { flex: 0 0 300px; min-height: 300px; }
            .style-block .style-content { padding: 28px 20px; }
            .principle-card { padding: 28px 20px; }
        }