/* Hệ cluster: bộ sưu tập, khối liên kết hai chiều và dải mùa vụ. */

.tet-countdown{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding:12px 18px;border:1px solid var(--mmtl-line);border-radius:var(--mmtl-radius);background:linear-gradient(90deg,#fff4dc,#fffaf1)}
.tet-countdown__label{color:var(--mmtl-red);font-weight:800;text-transform:uppercase;font-size:14px;letter-spacing:.02em}
.tet-countdown__value{font-size:20px;color:#5a2d14}
.tet-countdown__note{color:var(--mmtl-muted);font-size:14px}

/* Bộ sưu tập nổi bật trên trang danh mục gốc. */
.pillar-collections{margin:0 0 22px;padding:20px;border:1px solid var(--mmtl-line);border-radius:var(--mmtl-radius);background:#fff}
.pillar-collections__title{margin:0 0 14px;font-size:18px;color:var(--mmtl-red);text-transform:uppercase}
.pillar-collections ul{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0;padding:0;list-style:none}
.pillar-collections a{display:grid;gap:3px;height:100%;padding:12px 14px;border:1px solid var(--mmtl-line);border-radius:7px;background:#fffaf2;text-decoration:none;transition:border-color .18s ease,transform .18s ease}
.pillar-collections a:hover{border-color:var(--mmtl-red);transform:translateY(-2px)}
.pillar-collections strong{font-size:15px;line-height:1.3;color:#5a2d14}
.pillar-collections small{color:var(--mmtl-muted);font-size:13px}

/* Sản phẩm gợi ý dưới thân bài kiến thức. */
.linked-products{margin-top:36px;padding-top:26px;border-top:1px solid var(--mmtl-line)}
.linked-products__head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
.linked-products__eyebrow{display:block;margin-bottom:4px;color:var(--mmtl-gold);font-weight:800;text-transform:uppercase;font-size:13px}
.linked-products__head h2{margin:0;font-size:24px;color:var(--mmtl-red)}
.linked-products__all{flex:none;color:var(--mmtl-red);font-weight:800;text-decoration:none}
.linked-products .content-grid{grid-template-columns:repeat(4,1fr)}

/* Kiến thức liên quan dưới trang thương mại. */
.linked-knowledge{padding:34px 0;background:#fff}
.linked-knowledge__head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
.linked-knowledge__head h2{margin:0;font-size:24px;color:var(--mmtl-red);text-transform:uppercase}
.linked-knowledge__all{flex:none;color:var(--mmtl-red);font-weight:800;text-decoration:none}
.linked-knowledge__list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0;padding:0;list-style:none}
.linked-knowledge__list a{display:grid;gap:6px;height:100%;padding:16px;border:1px solid var(--mmtl-line);border-radius:var(--mmtl-radius);background:#fffaf1;text-decoration:none;transition:border-color .18s ease}
.linked-knowledge__list a:hover{border-color:var(--mmtl-red)}
.linked-knowledge__title{font-weight:800;line-height:1.35;color:#5a2d14}
.linked-knowledge__excerpt{color:var(--mmtl-muted);font-size:14px}

/* Trang bộ sưu tập. */
.collection-hero .archive-hero__inner{display:block}
.collection-hero .archive-hero__trust{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:18px;color:var(--mmtl-muted)}
.collection-hero .archive-hero__trust strong{color:#5a2d14}
.collection-body .archive-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;color:var(--mmtl-muted)}
.collection-body .archive-toolbar p{margin:0;font-size:14px}
.collection-body .result-count{margin:0}
.collection-prose{margin-top:34px;padding-top:26px;border-top:1px solid var(--mmtl-line)}
.collection-pagination{display:flex;justify-content:center;gap:8px;margin-top:26px}
.collection-pagination .page-numbers{display:grid;place-items:center;min-width:40px;min-height:40px;padding:0 12px;border:1px solid var(--mmtl-line);border-radius:7px;background:#fff;font-weight:800;text-decoration:none}
.collection-pagination .page-numbers.current{background:var(--mmtl-red);border-color:var(--mmtl-red);color:#fff}

.collection-siblings{padding:34px 0;background:linear-gradient(180deg,#fffaf1,#fff4dc)}
.collection-siblings h2{margin:0 0 16px;font-size:22px;color:var(--mmtl-red);text-transform:uppercase}
.collection-siblings ul{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 18px;padding:0;list-style:none}
.collection-siblings a{display:grid;gap:3px;height:100%;padding:13px 15px;border:1px solid var(--mmtl-line);border-radius:7px;background:#fff;text-decoration:none}
.collection-siblings a:hover{border-color:var(--mmtl-red)}
.collection-siblings strong{color:#5a2d14;line-height:1.3}
.collection-siblings small{color:var(--mmtl-muted);font-size:13px}
.collection-siblings__parent{display:inline-flex;gap:6px;color:var(--mmtl-red);font-weight:800;text-decoration:none}

@media (max-width:980px){
.pillar-collections ul{grid-template-columns:repeat(2,1fr)}
.linked-products .content-grid,.linked-knowledge__list,.collection-siblings ul{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:620px){
.pillar-collections ul,.linked-products .content-grid,.linked-knowledge__list,.collection-siblings ul{grid-template-columns:1fr}
.linked-products__head,.linked-knowledge__head{flex-direction:column;align-items:start}
.collection-body .archive-toolbar{flex-direction:column;align-items:start;gap:6px}
}