/* contact-sheet · 印样 —— 齿孔胶片条 + 片边编号贯穿全站，头条用红色油性笔圈出 */
:root {
    --cs-room: #1f1d1b;
    --cs-film: #0e0d0c;
    --cs-edge: #f2a33a;
    --cs-grease: #ff5a4e;
    --cs-print: #f6f6f4;
    --cs-ink: #ece9e4;
    --cs-soft: #b9b3aa;
    --cs-dark-ink: #1c1a18;
    --cs-line: #3a3632;
    --cs-display: "Archivo Narrow", "Arial Narrow", system-ui, sans-serif;
    --cs-body: Archivo, system-ui, -apple-system, "Segoe UI", sans-serif;
    --cs-holes: repeating-linear-gradient(90deg, transparent 0 7px, #d9d4cc 7px 17px, transparent 17px 24px);
    --pagination-accent: #f2a33a;
    --pagination-accent-contrast: #1c1a18;
}

body.theme-contact { margin: 0; background: var(--cs-room); color: var(--cs-ink); font-family: var(--cs-body); font-size: 16px; }
:where(.theme-contact) a { color: inherit; text-decoration: none; }
.theme-contact :focus-visible { outline: 3px solid var(--cs-edge); outline-offset: 3px; }
.cs-skip { position: absolute; left: -9999px; }
.cs-skip:focus { left: 12px; top: 12px; z-index: 50; padding: 10px 14px; background: var(--cs-edge); color: var(--cs-dark-ink); font-weight: 700; }
.cs-main:focus { outline: none; }

.cs-edge-label { font-family: var(--cs-display); font-weight: 700; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cs-edge); }

/* ---------- 页眉 ---------- */
.cs-header { background: var(--cs-film); border-bottom: 1px solid var(--cs-line); }
.cs-header-inner { display: flex; align-items: center; gap: 24px; max-width: 1320px; margin: 0 auto; padding: 10px 20px; }
.cs-brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; min-width: 0; }
.cs-brand-reel { width: 34px; height: 34px; border-radius: 50%; background: radial-gradient(circle, var(--cs-film) 0 4px, var(--cs-edge) 4.5px 7px, var(--cs-film) 7.5px 9px, transparent 9.5px), conic-gradient(var(--cs-edge) 0 50deg, var(--cs-film) 0 70deg, var(--cs-edge) 0 170deg, var(--cs-film) 0 190deg, var(--cs-edge) 0 290deg, var(--cs-film) 0 310deg, var(--cs-edge) 0); }
.cs-brand-name { font-family: var(--cs-display); font-weight: 700; font-size: 1.5rem; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cs-nav { display: flex; gap: 6px; }
.cs-nav a { padding: 10px 14px; font-family: var(--cs-display); font-weight: 700; font-size: 1rem; letter-spacing: .08em; text-transform: uppercase; color: var(--cs-soft); }
.cs-nav a:hover { color: var(--cs-ink); }
.cs-nav a.is-on { color: var(--cs-edge); box-shadow: inset 0 -3px 0 var(--cs-edge); }
.cs-menu-toggle { display: none; color: inherit; }

/* ---------- 版心 ---------- */
.cs-main { min-height: 60vh; padding-bottom: 56px; }
.cs-wrap { max-width: 1320px; margin: 0 auto; padding: 20px 20px 0; }
.cs-crumb { display: flex; flex-wrap: wrap; gap: 8px; padding: 4px 0 16px; font-size: .9rem; color: var(--cs-soft); }
.cs-crumb a { color: var(--cs-ink); text-decoration: underline; text-underline-offset: 3px; }
.cs-roll-title { margin: 40px 0 16px; font-family: var(--cs-display); font-weight: 700; font-size: 1.6rem; letter-spacing: .06em; text-transform: uppercase; }
.cs-empty { padding: 40px 0; color: var(--cs-soft); }
.cs-pager { margin-top: 32px; }

/* ---------- 头条：油性笔圈出的选中片 ---------- */
.cs-pick { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 32px; align-items: center; }
.cs-pick-print { display: block; padding: 14px; border: 3px solid var(--cs-grease); border-radius: 46% 54% 40% 60% / 18% 14% 20% 16%; transform: rotate(-.6deg); }
.cs-pick-print img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; transform: rotate(.6deg); border: 6px solid var(--cs-print); }
.cs-pick-notes { display: grid; gap: 14px; }
.cs-pick-title { margin: 0; font-family: var(--cs-display); font-weight: 700; font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.1; }
.cs-pick-title a:hover { color: var(--cs-edge); }
.cs-pick-excerpt { margin: 0; color: var(--cs-soft); font-size: 1.05rem; line-height: 1.65; }
.cs-pick-date { font-size: .9rem; color: var(--cs-soft); }

/* ---------- 胶片条：相邻片格拼成连续的齿孔带 ---------- */
.cs-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 24px; background: var(--cs-film); }
.cs-strip-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cs-frame { min-width: 0; padding: 22px 10px; background: var(--cs-film) no-repeat; background-image: var(--cs-holes), var(--cs-holes); background-size: 100% 9px, 100% 9px; background-position: left 0 top 6px, left 0 bottom 6px; }
.cs-frame-link { display: grid; gap: 8px; height: 100%; align-content: start; }
.cs-frame-edge { display: flex; justify-content: space-between; gap: 8px; font-family: var(--cs-display); font-weight: 700; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cs-edge); white-space: nowrap; overflow: hidden; }
.cs-frame-edge span:last-child { overflow: hidden; text-overflow: ellipsis; }
.cs-frame img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 3px; }
.cs-frame-title { font-weight: 700; font-size: 1.02rem; line-height: 1.35; }
.cs-frame-link:hover .cs-frame-title { color: var(--cs-edge); }
.cs-frame-date { font-size: .84rem; color: var(--cs-soft); }
.cs-frame-excerpt { color: var(--cs-soft); font-size: .9rem; line-height: 1.5; }

/* ---------- 分类页：整张印样 ---------- */
.cs-sheet-label { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 24px; align-items: end; margin-bottom: 20px; }
.cs-sheet-tape { display: grid; gap: 6px; padding: 14px 22px 16px; background: #e9e4da; color: var(--cs-dark-ink); transform: rotate(-1deg); box-shadow: 0 2px 0 rgba(0, 0, 0, .4); }
.cs-sheet-tape .cs-edge-label { color: #9a4a00; }
.cs-sheet-tape h1 { margin: 0; font-family: var(--cs-display); font-weight: 700; font-size: clamp(2rem, 4.4vw, 3.4rem); line-height: 1; text-transform: uppercase; }
.cs-sheet-desc { max-width: 56ch; margin: 0; color: var(--cs-soft); line-height: 1.6; }
.cs-rolls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.cs-rolls-label { margin-right: 6px; font-family: var(--cs-display); font-weight: 700; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cs-soft); }
.cs-rolls a { padding: 8px 12px; border: 1px solid var(--cs-line); font-size: .9rem; }
.cs-rolls a:hover, .cs-rolls a.is-on { border-color: var(--cs-edge); color: var(--cs-edge); }
.cs-contact { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 16px; padding: 16px 0; background: transparent; }
.cs-contact .cat-ad-row { grid-column: 1 / -1; }
.cs-frame-sheet { padding: 24px 12px; }

/* ---------- 话题索引：胶卷暗盒 ---------- */
.cs-canisters { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 28px; }
.cs-canister { --can: var(--cs-edge); --on: var(--cs-dark-ink); display: grid; grid-template-columns: minmax(0, 1fr) 26px; transition: transform .2s ease; }
.cs-canister:hover { transform: translateY(-4px); }
.cs-can-red { --can: #e2483c; --on: #fff; }
.cs-can-teal { --can: #2e8b84; --on: #fff; }
.cs-can-silver { --can: #c9c6c0; }
.cs-canister-lid { grid-column: 1; height: 16px; margin: 0 6px; border-radius: 6px 6px 0 0; background: linear-gradient(90deg, #555, #999 40%, #555); }
.cs-canister-body { grid-column: 1; display: grid; gap: 10px; align-content: space-between; min-height: 190px; padding: 18px 16px; border-radius: 0 0 8px 8px; background: linear-gradient(90deg, rgba(0, 0, 0, .18), transparent 30%, rgba(255, 255, 255, .14) 55%, rgba(0, 0, 0, .2)), var(--can); color: var(--on); }
.cs-canister-name { font-family: var(--cs-display); font-weight: 700; font-size: 1.45rem; line-height: 1.1; text-transform: uppercase; }
.cs-canister-desc { font-size: .9rem; line-height: 1.45; }
.cs-canister-tongue { grid-column: 2; grid-row: 2; align-self: center; height: 56px; background: var(--cs-film) no-repeat; background-image: repeating-linear-gradient(180deg, transparent 0 5px, #d9d4cc 5px 11px, transparent 11px 16px); background-size: 6px 100%; background-position: right 3px top; border-radius: 0 6px 6px 0; }

/* ---------- 广告壳：暗房里的空白相纸，无广告时塌陷 ---------- */
.cs-ad:has(.ad) { margin: 24px 0; padding: 8px; background: #2a2724; border: 1px solid var(--cs-line); }
.cs-ad:has(.ad) .ad { min-height: 250px; margin: 0 !important; }

/* ---------- 页脚 ---------- */
.cs-footer { margin-top: 32px; background: var(--cs-film); }
.cs-footer-edge { padding: 26px 20px; background: no-repeat; background-image: var(--cs-holes), var(--cs-holes); background-size: 100% 9px, 100% 9px; background-position: left 0 top 6px, left 0 bottom 6px; text-align: center; }
.cs-footer-edge span { font-family: var(--cs-display); font-weight: 700; font-size: .8rem; letter-spacing: .3em; color: var(--cs-edge); }
.cs-footer-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; align-items: center; max-width: 1320px; margin: 0 auto; padding: 24px 20px 80px; }
.cs-datasheet { width: 100%; border-collapse: collapse; font-size: .92rem; }
.cs-datasheet caption { padding-bottom: 10px; text-align: left; font-family: var(--cs-display); font-weight: 700; font-size: 1.3rem; text-transform: uppercase; }
.cs-datasheet th { width: 110px; padding: 8px 12px 8px 0; border-top: 1px solid var(--cs-line); text-align: left; font-family: var(--cs-display); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--cs-edge); }
.cs-datasheet td { padding: 8px 0; border-top: 1px solid var(--cs-line); color: var(--cs-soft); }
.cs-footer-links { display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 0; padding: 0; list-style: none; }
.cs-footer-links a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; }
.cs-footer-links a:hover { color: var(--cs-edge); }

/* ---------- 共享页面调色 ---------- */
.theme-contact .site-menu { --menu-accent: var(--cs-edge); --menu-line: var(--cs-line); }
.theme-contact .site-search { --search-line: #5a554f; }

/* ---------- 断点 ---------- */
@media (min-width: 1600px) {
    .cs-wrap, .cs-header-inner, .cs-footer-inner { max-width: 1520px; }
    .cs-contact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1023px) {
    .cs-pick { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .cs-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cs-strip-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .cs-contact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cs-contact .cs-frame:first-child { grid-column: 1 / -1; }
    .cs-sheet-label { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .cs-sheet-tape { justify-self: start; }
    .cs-footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
    .cs-header-inner { min-height: 52px; padding: 4px 12px; gap: 12px; }
    .cs-brand-reel { width: 28px; height: 28px; }
    .cs-brand-name { font-size: 1.25rem; }
    .cs-menu-toggle { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--cs-line); color: var(--cs-edge); }
    .cs-wrap { padding: 12px 12px 0; }
    .cs-pick-print { padding: 8px; }
    .cs-pick-print img { border-width: 4px; }
    .cs-pick-title { font-size: 1.5rem; }
    .cs-pick-excerpt { font-size: 1rem; }
    .cs-strip, .cs-strip-3, .cs-contact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cs-strip-3 .cs-frame:first-child, .cs-contact .cs-frame:first-child { grid-column: 1 / -1; }
    .cs-frame { padding: 20px 6px; }
    .cs-frame-title { font-size: .95rem; overflow-wrap: anywhere; }
    .cs-frame-excerpt { display: none; }
    .cs-canisters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
    .cs-canister-body { min-height: 140px; padding: 14px 12px; }
    .cs-canister-name { font-size: 1.1rem; overflow-wrap: anywhere; }
    .cs-canister-desc { display: none; }
}

/* 移动端：分类只在 /menu 出现，隐藏规则放在全局规则之后 */
@media (max-width: 767px) {
    .cs-nav, .cs-rolls { display: none; }
}