/* keycap-deck · 键帽键盘 —— 分类是一颗带首字母刻字的彩色键帽，每张卡片坐在键帽斜面上 */
:root {
    --kc-deck: #dde1ea;
    --kc-cap: #fbfbfd;
    --kc-edge: #b4bbc9;
    --kc-ink: #1f2330;
    --kc-soft: #4b5162;
    --kc-esc: #be123c;
    --kc-display: "JetBrains Mono", ui-monospace, Menlo, monospace;
    --kc-body: "Golos Text", system-ui, -apple-system, "Segoe UI", sans-serif;
    --pagination-accent: #be123c;
}

.kc-tint-0 { --kc-tint: #c8ecd9; }
.kc-tint-1 { --kc-tint: #ddd3f5; }
.kc-tint-2 { --kc-tint: #ffd9c2; }
.kc-tint-3 { --kc-tint: #cfe3ff; }
.kc-tint-4 { --kc-tint: #fbefb4; }

body.theme-keycap { margin: 0; color: var(--kc-ink); font-family: var(--kc-body); font-size: 16px; line-height: 1.5; background: var(--kc-deck); }
:where(.theme-keycap) a { color: inherit; text-decoration: none; }
.theme-keycap :focus-visible { outline: 3px solid var(--kc-esc); outline-offset: 3px; }
.kc-skip { position: absolute; left: -9999px; }
.kc-skip:focus { left: 12px; top: 12px; z-index: 50; padding: 10px 14px; background: #fff; font-weight: 600; }
.kc-deck { display: block; min-height: 60vh; padding-bottom: 40px; }
.kc-deck:focus { outline: none; }
.kc-plate { max-width: 1320px; margin: 0 auto; padding: 24px 24px 0; }

/* ---------- 母题：键帽（顶面 + 下沿斜面） ---------- */
.kc-cap { flex: none; display: inline-grid; place-items: center; width: 44px; height: 44px; box-sizing: border-box; border-radius: 9px; background: var(--kc-tint, var(--kc-cap)); color: var(--kc-ink); border: 1px solid var(--kc-edge); box-shadow: inset 0 -5px 0 rgba(31, 35, 48, .14), 0 2px 0 var(--kc-edge); font-family: var(--kc-display); font-weight: 700; font-size: 1.15rem; line-height: 1; padding-bottom: 4px; }
.kc-cap-sm { width: 36px; height: 36px; font-size: .95rem; border-radius: 8px; }
.kc-cap-xs { width: 30px; height: 30px; font-size: .85rem; border-radius: 7px; padding-bottom: 3px; }
.kc-cap-xl { width: 112px; height: 112px; font-size: 3.4rem; border-radius: 18px; box-shadow: inset 0 -12px 0 rgba(31, 35, 48, .14), 0 4px 0 var(--kc-edge); padding-bottom: 10px; }
.kc-cap-esc { background: var(--kc-esc); color: #fff; border-color: #8f0e2d; box-shadow: inset 0 -5px 0 rgba(0, 0, 0, .22), 0 2px 0 #8f0e2d; }
.kc-key-row { display: flex; align-items: center; gap: 10px; min-width: 0; }
.kc-key-meta { display: grid; grid-template-columns: minmax(0, 1fr); min-width: 0; font-size: .8rem; color: var(--kc-soft); line-height: 1.3; }
.kc-key-cat { min-width: 0; font-weight: 600; color: var(--kc-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- 顶栏 ---------- */
.kc-head { background: #f3f4f8; border-bottom: 1px solid var(--kc-edge); box-shadow: 0 3px 0 var(--kc-edge); }
.kc-head-inner { display: flex; align-items: center; gap: 24px; max-width: 1320px; margin: 0 auto; padding: 10px 24px 12px; }
.kc-brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; margin-right: auto; }
.kc-brand-cap { width: 40px; height: 40px; }
.kc-brand-name { min-width: 0; font-family: var(--kc-display); font-weight: 700; font-size: 1.3rem; letter-spacing: -.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kc-nav { display: flex; gap: 8px; }
.kc-nav a { padding: 6px 14px 9px; border-radius: 8px; background: var(--kc-cap); border: 1px solid var(--kc-edge); box-shadow: inset 0 -4px 0 rgba(31, 35, 48, .1), 0 2px 0 var(--kc-edge); font-weight: 600; font-size: .92rem; }
.kc-nav a:hover { background: #fff; }
.kc-nav a.is-on { transform: translateY(2px); box-shadow: inset 0 -2px 0 rgba(31, 35, 48, .1); background: #fde2e8; }
.kc-menu-toggle { display: none; }

.kc-crumb { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; font-size: .9rem; color: var(--kc-soft); }
.kc-crumb a { color: #9f1239; font-weight: 600; }
.kc-title { margin: 4px 0 20px; font-family: var(--kc-display); font-weight: 700; font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -.03em; }
.kc-empty { margin: 32px 0; padding: 24px; background: var(--kc-cap); border-radius: 14px; text-align: center; list-style: none; }
.kc-pager { margin-top: 32px; }
.kc-row-label { display: flex; align-items: center; gap: 12px; margin: 40px 0 16px; font-family: var(--kc-display); font-weight: 700; font-size: 1.05rem; letter-spacing: .02em; text-transform: uppercase; }

/* ---------- 卡片：键帽斜面 ---------- */
.kc-keys { display: grid; gap: 22px; }
.kc-keys-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kc-keys-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kc-key { min-width: 0; }
.kc-key-link { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto 1fr; gap: 12px; height: 100%; box-sizing: border-box; padding: 10px 10px 18px; background: var(--kc-cap); border: 1px solid var(--kc-edge); border-radius: 16px; box-shadow: inset 0 -8px 0 color-mix(in srgb, var(--kc-tint) 70%, #fff), 0 3px 0 var(--kc-edge); }
.kc-key-link:hover { transform: translateY(2px); box-shadow: inset 0 -5px 0 color-mix(in srgb, var(--kc-tint) 70%, #fff), 0 1px 0 var(--kc-edge); }
.kc-key-link img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 10px; background: var(--kc-edge); }
.kc-key-link .kc-key-row { padding: 0 4px; }
.kc-key-title { padding: 0 6px; font-weight: 600; font-size: 1.08rem; line-height: 1.32; }
.kc-key-link:hover .kc-key-title { text-decoration: underline; text-decoration-color: var(--kc-esc); }

/* ---------- 首页头条：空格键 ---------- */
.kc-space-link { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 0; background: var(--kc-cap); border: 1px solid var(--kc-edge); border-radius: 22px; overflow: hidden; box-shadow: inset 0 -12px 0 color-mix(in srgb, var(--kc-tint) 80%, #fff), 0 4px 0 var(--kc-edge); }
.kc-space-text { display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 14px; padding: 24px 26px 34px; }
.kc-space-title { font-family: var(--kc-display); font-weight: 700; font-size: clamp(1.55rem, 2.3vw, 2.15rem); line-height: 1.16; letter-spacing: -.03em; }
.kc-space-link:hover .kc-space-title { text-decoration: underline; text-decoration-color: var(--kc-esc); }
.kc-space-excerpt { color: var(--kc-soft); line-height: 1.6; }
.kc-enter { justify-self: start; padding: 6px 14px 9px; border-radius: 8px; background: var(--kc-esc); color: #fff; font-family: var(--kc-display); font-weight: 700; font-size: .85rem; box-shadow: inset 0 -4px 0 rgba(0, 0, 0, .22); white-space: nowrap; }
.kc-space-link img { display: block; width: 100%; height: 100%; min-height: 300px; object-fit: cover; background: var(--kc-edge); }

/* ---------- 分类页：一排排按键，以日期键开头 ---------- */
.kc-cat-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; max-width: 1040px; margin: 0; padding: 0; list-style: none; }
.kc-line { min-width: 0; }
.kc-line-link { display: grid; grid-template-columns: 76px 190px minmax(0, 1fr); gap: 18px; align-items: start; padding: 12px 16px 16px 12px; background: var(--kc-cap); border: 1px solid var(--kc-edge); border-radius: 14px; box-shadow: 0 3px 0 var(--kc-edge); }
.kc-line-link:hover .kc-line-title { text-decoration: underline; text-decoration-color: var(--kc-esc); }
.kc-cap-date { width: 76px; height: 76px; grid-template-rows: auto auto; align-content: center; gap: 2px; font-size: .8rem; text-transform: uppercase; }
.kc-cap-date b { font-size: 1.7rem; }
.kc-line-link img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 8px; background: var(--kc-edge); }
.kc-line-text { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; }
.kc-line-date { font-size: .82rem; color: var(--kc-soft); }
.kc-line-title { font-weight: 600; font-size: 1.22rem; line-height: 1.28; }
.kc-line-excerpt { color: var(--kc-soft); line-height: 1.55; }
.kc-cat-list > .kc-ad { list-style: none; }
.kc-cat-list > .kc-ad:not(:has(.ad)) { display: none; }

/* ---------- 分类索引：键盘布局，宽窄键混排 ---------- */
.kc-board { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin: 0; padding: 16px; list-style: none; background: #c9cfdb; border-radius: 22px; box-shadow: inset 0 3px 0 rgba(31, 35, 48, .12); }
.kc-board-key { min-width: 0; }
.kc-board-wide { grid-column: span 2; }
.kc-board-link { display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 6px; height: 100%; box-sizing: border-box; padding: 12px 14px 20px; background: var(--kc-tint); border: 1px solid var(--kc-edge); border-radius: 14px; box-shadow: inset 0 -8px 0 rgba(31, 35, 48, .12), 0 3px 0 #9aa3b4; }
.kc-board-link:hover { transform: translateY(2px); box-shadow: inset 0 -5px 0 rgba(31, 35, 48, .12), 0 1px 0 #9aa3b4; }
.kc-board-legend { font-family: var(--kc-display); font-weight: 700; font-size: 1.8rem; line-height: 1; }
.kc-board-name { font-weight: 600; font-size: 1.02rem; line-height: 1.25; }
.kc-board-desc { font-size: .84rem; line-height: 1.4; color: #3a4050; }

/* ---------- 广告壳：无广告时塌陷 ---------- */
.kc-ad:has(.ad) { margin: 24px 0; }
.kc-ad:has(.ad) .ad { min-height: 250px; margin: 0 !important; }

/* ---------- 页脚：底部修饰键一排 ---------- */
.kc-foot { margin-top: 40px; padding: 26px 24px 96px; background: #c9cfdb; border-top: 1px solid var(--kc-edge); }
.kc-foot-board { display: grid; gap: 14px; max-width: 1272px; margin: 0 auto; }
.kc-foot-name { margin: 0; font-family: var(--kc-display); font-weight: 700; font-size: 1.1rem; overflow-wrap: anywhere; }
.kc-mods { display: flex; flex-wrap: wrap; gap: 10px; }
.kc-mod { display: inline-grid; grid-template-columns: minmax(0, 1fr); gap: 2px; min-width: 96px; padding: 8px 14px 12px; background: var(--kc-cap); border: 1px solid var(--kc-edge); border-radius: 10px; box-shadow: inset 0 -5px 0 rgba(31, 35, 48, .1), 0 2px 0 #9aa3b4; font-weight: 600; font-size: .92rem; }
.kc-mod:hover { transform: translateY(2px); box-shadow: inset 0 -3px 0 rgba(31, 35, 48, .1); }
.kc-mod-wide { min-width: 132px; }
.kc-mod-space { flex: 1 1 220px; }
.kc-mod-fn { font-family: var(--kc-display); font-size: .7rem; color: var(--kc-soft); }
.kc-foot-copy { margin: 0; font-size: .86rem; color: #3a4050; }

/* ---------- 共享页面 ---------- */
.theme-keycap .site-menu, .theme-keycap .site-search, .theme-keycap .static-page, .theme-keycap .theme-error { --menu-accent: #be123c; background: var(--kc-cap); border: 1px solid var(--kc-edge); border-radius: 16px; }

/* ---------- 断点 ---------- */
@media (min-width: 1600px) {
    .kc-plate, .kc-head-inner { max-width: 1540px; }
    .kc-foot-board { max-width: 1492px; }
}

@media (max-width: 1023px) {
    .kc-space-link { grid-template-columns: minmax(0, 1fr); }
    .kc-space-link img { grid-row: 1; min-height: 0; height: auto; aspect-ratio: 24 / 9; }
    .kc-keys-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kc-line-link { grid-template-columns: 64px 150px minmax(0, 1fr); }
    .kc-cap-date { width: 64px; height: 64px; }
}

@media (max-width: 767px) {
    .kc-head { box-shadow: 0 2px 0 var(--kc-edge); }
    .kc-head-inner { min-height: 57px; padding: 2px 12px; gap: 10px; }
    .kc-brand-cap { width: 34px; height: 34px; font-size: 1rem; }
    .kc-brand-name { font-size: 1.05rem; }
    .kc-menu-toggle { display: inline-grid; place-items: center; width: 40px; height: 40px; box-sizing: border-box; border-radius: 9px; background: var(--kc-cap); border: 1px solid var(--kc-edge); box-shadow: inset 0 -4px 0 rgba(31, 35, 48, .1); }
    .kc-plate { padding: 12px 12px 0; }
    .kc-space-link { border-radius: 16px; box-shadow: inset 0 -8px 0 color-mix(in srgb, var(--kc-tint) 80%, #fff), 0 3px 0 var(--kc-edge); }
    .kc-space-link img { aspect-ratio: 16 / 9; }
    .kc-space-text { gap: 10px; padding: 12px 14px 20px; }
    .kc-space-text .kc-cap { width: 34px; height: 34px; font-size: .95rem; }
    .kc-space-title { font-size: 1.35rem; }
    .kc-space-excerpt, .kc-enter { display: none; }
    .kc-row-label { margin-top: 26px; }
    .kc-keys { gap: 12px; }
    .kc-keys-3, .kc-keys-4 { grid-template-columns: minmax(0, 1fr); }
    .kc-key-link { grid-template-columns: 100px minmax(0, 1fr); grid-template-rows: auto 1fr; gap: 6px 12px; padding: 8px 10px 14px 8px; border-radius: 12px; }
    .kc-key-link img { grid-row: 1 / span 2; height: 100%; min-height: 84px; aspect-ratio: auto; }
    .kc-key-link .kc-key-row { padding: 0; }
    .kc-key-link .kc-cap-sm { width: 28px; height: 28px; font-size: .8rem; }
    .kc-key-title { padding: 0; font-size: 1rem; }
    .kc-line-link { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; padding: 8px 10px 12px 8px; }
    .kc-cap-date { display: none; }
    .kc-line-link img { height: 84px; aspect-ratio: auto; }
    .kc-line-title { font-size: 1rem; }
    .kc-line-excerpt { display: none; }
    .kc-board { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 10px; border-radius: 16px; }
    .kc-board-wide { grid-column: span 2; }
    .kc-foot { padding: 22px 12px 96px; }
    .kc-mod { min-width: 0; flex: 1 1 40%; }
}

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