/* ==========================================================
   模板页面：产品详情 / 案例详情 / 资讯文章 / 404 / 分页
   ========================================================== */

/* ---------- 产品详情 ---------- */
.mu-pdp { padding: clamp(40px, 5vw, 80px) 0 var(--space); }
.mu-pdp__grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(40px, 6vw, 100px); align-items: start; }
.mu-pdp__gallery { position: sticky; top: calc(var(--header-h) + 24px); }
.mu-pdp__stage { position: relative; aspect-ratio: 4 / 5; overflow: hidden; border-radius: 2px; background: var(--paper-2); }
.mu-pdp__track {
	display: flex; height: 100%;
	overflow-x: auto; overscroll-behavior-x: contain;
	scroll-snap-type: x mandatory; scrollbar-width: none;
	cursor: grab; user-select: none; outline-offset: -3px;
}
.mu-pdp__track::-webkit-scrollbar { display: none; }
.mu-pdp__track.is-dragging { scroll-snap-type: none; cursor: grabbing; }
.mu-pdp__slide { position: relative; flex: 0 0 100%; margin: 0; scroll-snap-align: start; scroll-snap-stop: always; overflow: hidden; }
.mu-pdp__slide img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; transition: transform 1.2s var(--ease); }
.mu-pdp__slide:hover img { transform: scale(1.03); }
.mu-pdp__slide figcaption {
	position: absolute; left: 20px; bottom: 20px; display: flex; gap: 10px; align-items: baseline;
	padding: 8px 16px; background: rgba(20, 18, 15, .55); backdrop-filter: blur(8px); color: #fff; font-size: 14px; letter-spacing: .08em;
}
.mu-pdp__slide figcaption em { font: italic 500 15px/1 var(--latin); color: var(--brass); }
.mu-pdp__arrow {
	position: absolute; top: 50%; z-index: 2; display: grid; place-items: center;
	width: 48px; height: 48px; margin-top: -24px; border-radius: 50%;
	background: rgba(244, 239, 231, .88); color: var(--ink); backdrop-filter: blur(6px);
	opacity: 0; transition: opacity .4s, transform .4s var(--ease), background .3s;
}
.mu-pdp__arrow .mu-icon { width: 18px; }
.mu-pdp__arrow--prev { left: 16px; transform: translateX(-8px); }
.mu-pdp__arrow--next { right: 16px; transform: translateX(8px); }
.mu-pdp__stage:hover .mu-pdp__arrow, .mu-pdp__arrow:focus-visible { opacity: 1; transform: none; }
.mu-pdp__arrow:hover { background: var(--paper); }
.mu-pdp__counter { position: absolute; right: 18px; top: 16px; z-index: 2; padding: 4px 12px; border-radius: 999px; background: rgba(20, 18, 15, .45); color: #fff; font: 500 14px/1.4 var(--latin); letter-spacing: .1em; pointer-events: none; }
@media (hover: none) { .mu-pdp__arrow { display: none; } }

/* 花色选择器（类似产品变体） */
.mu-variants { margin-bottom: 36px; }
.mu-variants__label { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; font-size: 14px; color: var(--muted); letter-spacing: .08em; }
.mu-variants__label strong { font-weight: 500; color: var(--ink); }
.mu-variants__list { display: flex; flex-wrap: wrap; gap: 12px; }
.mu-variant { display: grid; justify-items: center; gap: 6px; width: 64px; font-size: 12px; color: var(--ink-2); }
.mu-variant img {
	width: 56px; height: 56px; border-radius: 50%; object-fit: cover;
	box-shadow: 0 0 0 1px var(--line); outline: 1px solid transparent; outline-offset: 3px;
	transition: outline-color .3s, transform .4s var(--ease);
}
.mu-variant:hover img { transform: scale(1.06); }
.mu-variant.is-selected img, .mu-variant.is-active img { outline-color: var(--ink); }
.mu-variant.is-selected span { color: var(--ink); }
.mu-pdp__thumbs { display: flex; gap: 10px; margin-top: 12px; }
.mu-pdp__thumbs button { width: 76px; aspect-ratio: 1; overflow: hidden; opacity: .5; transition: opacity .3s; outline-offset: 2px; }
.mu-pdp__thumbs button:hover { opacity: .85; }
.mu-pdp__thumbs button.is-active { opacity: 1; outline: 1px solid var(--ink); }
.mu-pdp__thumbs img { width: 100%; height: 100%; object-fit: cover; }
.mu-pdp__info { padding-top: 12px; }
.mu-pdp__title { font-size: clamp(32px, 3.4vw, 52px); margin-bottom: 24px; }
.mu-pdp__summary { font-size: 17px; color: var(--ink-2); margin-bottom: 40px; }
.mu-specs { margin: 0 0 32px; border-top: 1px solid var(--line); }
.mu-specs > div { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.mu-specs dt { color: var(--muted); letter-spacing: .08em; }
.mu-specs dd { margin: 0; }
.mu-pdp__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
@media (max-width: 900px) { .mu-pdp__grid { grid-template-columns: 1fr; } .mu-pdp__gallery { position: static; } }

/* ---------- 案例详情 ---------- */
.mu-case { display: grid; grid-template-columns: 360px 1fr; gap: clamp(40px, 6vw, 100px); align-items: start; }
.mu-case__facts { position: sticky; top: calc(var(--header-h) + 24px); }
.mu-case__facts > div { grid-template-columns: 90px 1fr; }
.mu-case__gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 80px; }
.mu-case__gallery figure { margin: 0; overflow: hidden; }
.mu-case__gallery figure:nth-child(3n+1) { grid-column: 1 / -1; }
.mu-case__gallery img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 900px) { .mu-case { grid-template-columns: 1fr; } .mu-case__facts { position: static; } }

/* ---------- 资讯文章 ---------- */
.mu-article { padding: clamp(40px, 6vw, 96px) 0 var(--space); }
.mu-article__head { margin-bottom: 56px; }
.mu-article__title { font-size: clamp(30px, 3.6vw, 52px); margin: 8px 0 24px; }
.mu-article__lead { font-size: 18px; color: var(--ink-2); }
.mu-article__cover { margin-top: 0; margin-bottom: 64px; aspect-ratio: 21 / 9; overflow: hidden; }
.mu-article__cover img { width: 100%; height: 100%; object-fit: cover; }
.mu-article .mu-prose { font-size: 17px; line-height: 2; }
.mu-article__nav { display: flex; justify-content: space-between; gap: 24px; margin-top: 80px; padding-top: 32px; border-top: 1px solid var(--line); }
.mu-article__nav a { max-width: 46%; font-family: var(--serif); font-size: 17px; }
.mu-article__nav a.is-next { text-align: right; margin-left: auto; }
.mu-article__nav small { display: block; font: 13px var(--sans); color: var(--muted); letter-spacing: .1em; margin-bottom: 6px; }

/* ---------- 404 / 分页 ---------- */
.mu-404 { min-height: 80vh; display: grid; place-items: center; text-align: center; padding-block: 120px; }
.mu-404__num { font: italic 500 clamp(120px, 22vw, 300px)/1 var(--latin); color: transparent; -webkit-text-stroke: 1px var(--wood); }
.mu-404 h1 { font-size: 32px; margin: 16px 0; }
.mu-404 p:not(.mu-404__num) { color: var(--muted); margin-bottom: 40px; }
.mu-pager .nav-links { display: flex; justify-content: center; gap: 8px; margin-top: 64px; }
.mu-pager .page-numbers { display: grid; place-items: center; min-width: 44px; height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; }
.mu-pager .page-numbers.current { background: var(--ink); color: var(--paper); border-color: var(--ink); }