/* ============================================================
   悟空体育 · 赛季档案室 — 共享样式 /assets/site.css
   0 重置 · 1 变量 · 2 中文排版 · 3 布局容器 · 4 链接与按钮
   5 页头胶囊 · 6 移动导航 · 7 页脚 · 8 通用组件 · 9 图片容器
   10 响应式 · 11 可达性与降级
   ============================================================ */

/* 0 重置 */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body,
h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }

ul, ol { padding: 0; list-style: none; }

img, svg, video, canvas { max-width: 100%; }

article, section, main, header, footer, nav { display: block; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a { color: inherit; }

/* 1 变量 */
:root {
  --ink: #101114;
  --ink-2: #1b1d21;
  --paper: #f5f2ea;
  --paper-2: #e3ded3;
  --cinnabar: #c8332b;
  --cinnabar-deep: #8e1f1a;
  --gold: #c9a227;
  --gold-lite: #e7c86a;
  --slate: #6e7b85;
  --pitch: #223028;

  --line: rgba(16, 17, 20, .14);
  --line-strong: rgba(16, 17, 20, .30);
  --line-dark: rgba(245, 242, 234, .16);

  --shadow-paper: 5px 5px 0 -1px var(--paper-2), 5px 5px 0 0 var(--line);
  --shadow-paper-hover: 8px 9px 0 -1px var(--paper-2), 8px 9px 0 0 var(--gold);

  --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --shell: 1180px;
  --gutter: clamp(18px, 4vw, 44px);
  --header-h: 64px;
  --r-pill: 999px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: 160ms;
}

body {
  min-height: 100%;
  background-color: var(--paper);
  background-image:
    linear-gradient(180deg, rgba(227, 222, 211, .55) 0, rgba(245, 242, 234, 0) 320px);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#main-content {
  display: block;
  padding-top: clamp(84px, 10vw, 108px);
}

::selection {
  background: var(--cinnabar);
  color: var(--paper);
}

/* 2 中文排版 */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.01em;
  text-wrap: balance;
}

h1 { font-size: clamp(34px, 5.4vw, 64px); }
h2 { font-size: clamp(25px, 3.4vw, 36px); }
h3 { font-size: clamp(19px, 2vw, 24px); font-weight: 700; }
h4 { font-size: 17px; font-weight: 700; }

main p { max-width: 34em; }

.sk-mono,
.sk-num,
time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  font-weight: 500;
  letter-spacing: .01em;
}

/* 3 布局容器 */
.sk-shell {
  width: min(var(--shell), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.sk-shell--wide { --shell: 1360px; width: min(var(--shell), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.sk-shell--narrow { --shell: 880px; width: min(var(--shell), calc(100% - var(--gutter) * 2)); margin-inline: auto; }

.sk-section { padding-block: clamp(44px, 7vw, 96px); }

.sk-band {
  background: linear-gradient(180deg,
    rgba(227, 222, 211, 0) 0,
    var(--paper-2) 16%,
    var(--paper-2) 84%,
    rgba(227, 222, 211, 0) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.sk-grid {
  display: grid;
  gap: clamp(18px, 3vw, 44px);
}

.sk-grid--rail { grid-template-columns: minmax(0, 1.62fr) minmax(0, .78fr); }
.sk-grid--cards { grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); }
.sk-grid--split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }

.sk-rail {
  align-self: start;
  position: sticky;
  top: calc(var(--header-h) + 40px);
}

.sk-stack > * + * { margin-top: clamp(12px, 2vw, 20px); }
.sk-block { margin-block: clamp(26px, 4vw, 56px); }

/* 4 链接与按钮 */
.sk-link {
  position: relative;
  color: var(--cinnabar);
  text-decoration: none;
}

.sk-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.sk-link:hover::after { transform: scaleX(1); }
.sk-link:hover { color: var(--cinnabar-deep); }

.sk-btn,
.sk-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.sk-cta {
  background: var(--cinnabar);
  color: var(--paper);
  border-color: var(--cinnabar);
}

.sk-cta:hover {
  background: var(--cinnabar-deep);
  border-color: var(--gold-lite);
}

.sk-btn {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.sk-btn:hover { background: var(--ink-2); border-color: var(--gold); }

.sk-btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.sk-btn--ghost:hover { border-color: var(--gold); color: var(--cinnabar); }

.sk-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.sk-tag:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* 5 页头胶囊 */
.sk-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 140;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--gold);
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}

.sk-skip:focus-visible { transform: translateY(0); }

.sk-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 12px var(--gutter) 0;
  pointer-events: none;
}

.sk-capsule {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 24px);
  width: min(var(--shell), 100%);
  min-height: var(--header-h);
  padding: 8px 14px 10px 12px;
  border: 1px solid rgba(201, 162, 39, .30);
  border-radius: var(--r-pill);
  background: rgba(16, 17, 20, .93);
  color: var(--paper);
  box-shadow: 0 20px 44px -30px rgba(16, 17, 20, .95);
  transition:
    min-height var(--dur) var(--ease),
    padding var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.sk-header.is-scrolled .sk-capsule {
  min-height: 52px;
  padding-block: 5px;
  background: rgba(16, 17, 20, .97);
}

.sk-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
}

.sk-brand__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--gold);
  color: var(--gold-lite);
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
  line-height: 1;
  transform: rotate(-3deg);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.sk-brand:hover .sk-brand__mark { border-color: var(--cinnabar); color: #f0b7b2; }

.sk-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.06;
}

.sk-brand__name {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
}

.sk-brand__sub {
  margin-top: 3px;
  font-size: 10px;
  letter-spacing: .26em;
  color: rgba(245, 242, 234, .56);
}

.sk-nav {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.2vw, 18px);
  margin-left: auto;
}

.sk-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(2px, .8vw, 12px);
}

.sk-nav__item { display: block; }

.sk-nav__link {
  position: relative;
  display: inline-block;
  padding: 9px 7px;
  border-radius: 6px;
  font-size: 13.5px;
  letter-spacing: .02em;
  color: rgba(245, 242, 234, .78);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.sk-nav__link::after {
  content: "";
  position: absolute;
  left: 7px;
  right: 7px;
  bottom: 4px;
  height: 1px;
  background: var(--cinnabar);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.sk-nav__link:hover { color: var(--paper); }
.sk-nav__link:hover::after { transform: scaleX(1); }

.sk-nav__link[aria-current="page"] {
  color: var(--paper);
  font-weight: 600;
}

.sk-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  height: 2px;
  background: var(--gold-lite);
}

.sk-nav__foot {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sk-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-pill);
  background: transparent;
  color: rgba(245, 242, 234, .72);
  font-size: 12px;
  letter-spacing: .02em;
  text-decoration: none;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.sk-chip:hover {
  background: var(--paper-2);
  color: var(--ink);
  border-color: var(--paper-2);
}

.sk-capsule__progress {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 3px;
  height: 2px;
  overflow: hidden;
  border-radius: 2px;
  background: rgba(245, 242, 234, .12);
  pointer-events: none;
}

.sk-capsule__progress i {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cinnabar) 0, var(--gold) 62%, var(--gold-lite) 100%);
}

.sk-nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 8px 13px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-pill);
  color: var(--paper);
  font-size: 12.5px;
  letter-spacing: .04em;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.sk-nav-toggle:hover { border-color: var(--gold-lite); color: var(--gold-lite); }

.sk-nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 16px;
  height: 11px;
}

.sk-nav-toggle__bars i {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.sk-nav-toggle[aria-expanded="true"] .sk-nav-toggle__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.sk-nav-toggle[aria-expanded="true"] .sk-nav-toggle__bars i:nth-child(2) { opacity: 0; }
.sk-nav-toggle[aria-expanded="true"] .sk-nav-toggle__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.sk-totop {
  position: fixed;
  right: var(--gutter);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(201, 162, 39, .45);
  background: rgba(16, 17, 20, .93);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  box-shadow: 0 16px 32px -24px rgba(16, 17, 20, .95);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.sk-totop::before {
  content: "";
  width: 6px;
  height: 6px;
  border-left: 1px solid currentColor;
  border-top: 1px solid currentColor;
  transform: rotate(45deg) translateY(1px);
}

.sk-totop:hover { color: var(--gold-lite); border-color: var(--gold-lite); }
.sk-totop[hidden] { display: none; }

/* 6 移动导航 */
@media (max-width: 1080px) and (min-width: 901px) {
  .sk-nav__foot .sk-chip { display: none; }
}

@media (max-width: 900px) {
  .sk-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    padding: 14px;
    border: 1px solid rgba(201, 162, 39, .26);
    border-radius: 20px;
    background: rgba(16, 17, 20, .985);
    box-shadow: 0 26px 48px -34px rgba(0, 0, 0, .95);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transform-origin: top center;
    transition:
      opacity var(--dur) var(--ease),
      transform var(--dur) var(--ease),
      visibility var(--dur) var(--ease);
  }

  .sk-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .sk-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .sk-nav__link {
    display: block;
    padding: 13px 10px;
    border-bottom: 1px solid var(--line-dark);
    border-radius: 0;
    font-size: 15px;
    color: rgba(245, 242, 234, .86);
  }

  .sk-nav__link::after { display: none; }

  .sk-nav__link[aria-current="page"] {
    color: var(--gold-lite);
    border-bottom-color: rgba(201, 162, 39, .55);
  }

  .sk-nav__foot {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line-dark);
  }

  .sk-chip,
  .sk-nav__foot .sk-chip {
    display: inline-flex;
    justify-content: center;
    padding: 10px 12px;
    font-size: 12.5px;
  }

  .sk-cta { justify-content: center; }
}

@media (min-width: 901px) {
  .sk-nav-toggle { display: none; }
}

/* 7 页脚 */
.sk-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(56px, 9vw, 132px);
  padding: clamp(46px, 7vw, 92px) 0 26px;
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid rgba(201, 162, 39, .32);
}

.sk-footer__ridge {
  position: absolute;
  inset: auto 0 0 0;
  height: min(230px, 46%);
  pointer-events: none;
  z-index: 0;
}

.sk-footer__ridge::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .1;
  background: linear-gradient(180deg, rgba(201, 162, 39, 0) 0, var(--gold) 100%);
  clip-path: polygon(
    0% 100%, 0% 76%, 7% 64%, 14% 73%, 22% 50%, 30% 62%,
    38% 36%, 46% 57%, 54% 28%, 62% 54%, 70% 42%, 78% 61%,
    86% 48%, 93% 67%, 100% 56%, 100% 100%
  );
}

.sk-footer__ridge::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10px;
  height: 1px;
  opacity: .5;
  background: repeating-linear-gradient(90deg,
    rgba(110, 123, 133, .55) 0 46px,
    rgba(110, 123, 133, 0) 46px 84px);
}

.sk-footer__inner {
  position: relative;
  z-index: 2;
  width: min(var(--shell), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.sk-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.5fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.sk-footer__brand {
  font-family: var(--font-title);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.005em;
  color: var(--paper);
}

.sk-footer__index {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: rgba(245, 242, 234, .66);
}

.sk-footer__trace {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
}

.sk-footer__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding: 9px 16px;
  border: 1px solid rgba(201, 162, 39, .45);
  border-radius: var(--r-pill);
  color: var(--gold-lite);
  font-size: 13px;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.sk-footer__back::before {
  content: "←";
  font-family: var(--font-mono);
  font-size: 12px;
}

.sk-footer__back:hover {
  background: var(--paper-2);
  color: var(--ink);
  border-color: var(--paper-2);
}

.sk-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
}

.sk-footer__col-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-dark);
}

.sk-footer__links {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.sk-footer__link {
  position: relative;
  display: inline-block;
  font-size: 14px;
  color: rgba(245, 242, 234, .74);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.sk-footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--gold-lite);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.sk-footer__link:hover { color: var(--paper); }
.sk-footer__link:hover::after { transform: scaleX(1); }

.sk-footer__meta {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sk-footer__contact,
.sk-footer__address,
.sk-footer__legal {
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--slate);
  max-width: 72ch;
}

.sk-footer__mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: rgba(245, 242, 234, .82);
}

.sk-footer__legal { color: rgba(245, 242, 234, .5); letter-spacing: .04em; }

/* 8 通用组件 */
.sk-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}

.sk-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cinnabar);
}

.sk-rule {
  height: 1px;
  border: 0;
  background: var(--line);
}

.sk-slash {
  display: block;
  width: 72px;
  height: 10px;
  border-top: 1px solid var(--gold);
  transform: skewY(-14deg);
  transform-origin: left center;
}

.sk-verdict {
  position: relative;
  padding: clamp(24px, 3.4vw, 44px);
  background: var(--ink);
  color: var(--paper);
  border: 1px solid rgba(201, 162, 39, .55);
  box-shadow: 6px 6px 0 -1px rgba(16, 17, 20, .06), 6px 6px 0 0 rgba(201, 162, 39, .28);
}

.sk-verdict__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-lite);
}

.sk-verdict__figure {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(40px, 7vw, 84px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.sk-verdict__figure em {
  font-style: normal;
  color: var(--gold-lite);
}

.sk-verdict__text {
  margin-top: 18px;
  max-width: 32em;
  font-size: 15.5px;
  color: rgba(245, 242, 234, .84);
}

.sk-verdict .sk-note { color: rgba(245, 242, 234, .55); }

.sk-paper {
  position: relative;
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-paper);
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.sk-paper:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-paper-hover);
}

.sk-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sk-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.sk-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  border-bottom: 1px solid currentColor;
}

.sk-card__title {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.005em;
}

.sk-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.sk-card__score {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--ink);
}

.sk-note {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
  max-width: 34em;
}

.sk-note--edge {
  margin-top: 12px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.sk-prose { max-width: 42em; }

.sk-prose > * + * { margin-top: 1.1em; }
.sk-prose p { max-width: 34em; }
.sk-prose h2 { margin-top: 1.9em; }
.sk-prose h3 { margin-top: 1.5em; }
.sk-prose ul,
.sk-prose ol { padding-left: 1.2em; list-style: disc; }
.sk-prose li + li { margin-top: .4em; }
.sk-prose strong { font-weight: 700; }
.sk-prose code {
  font-family: var(--font-mono);
  font-size: .92em;
  padding: 2px 6px;
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.sk-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}

.sk-crumbs a {
  color: var(--slate);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.sk-crumbs a:hover { color: var(--cinnabar); }

.sk-crumbs__sep { color: var(--line-strong); }

.sk-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(227, 222, 211, .45);
}

.sk-filter__btn {
  padding: 7px 15px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ink);
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.sk-filter__btn:hover:not([aria-pressed="true"]) { border-color: var(--line-strong); }

.sk-filter__btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--gold);
}

.sk-list { display: grid; gap: clamp(14px, 2vw, 22px); }

.sk-list__item { transition: opacity 120ms ease-out; }
.sk-list__item[hidden] { display: none; }

[data-filter-root][data-filtered="true"] .sk-list__item:not([hidden]) {
  animation: sk-card-in 120ms ease-out both;
}

@keyframes sk-card-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.sk-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.sk-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 500;
  line-height: 1.05;
  color: var(--ink);
}

.sk-stat__label {
  font-size: 12.5px;
  color: var(--slate);
}

/* 9 图片容器 */
.sk-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sk-figure__media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--paper-2);
  background-image: repeating-linear-gradient(115deg,
    rgba(34, 48, 40, .16) 0 2px,
    rgba(34, 48, 40, 0) 2px 9px);
  box-shadow: var(--shadow-paper);
}

.sk-figure__media > img,
.sk-figure__media > svg,
.sk-figure__media > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sk-figure__media--wide { aspect-ratio: 21 / 9; }
.sk-figure__media--square { aspect-ratio: 1 / 1; }
.sk-figure__media--tall { aspect-ratio: 3 / 4; }

.sk-figure__media--chart {
  aspect-ratio: 4 / 3;
  background-image:
    linear-gradient(180deg, rgba(16, 17, 20, .05) 0, rgba(16, 17, 20, 0) 60%),
    repeating-linear-gradient(0deg, rgba(16, 17, 20, .09) 0 1px, rgba(16, 17, 20, 0) 1px 30px),
    repeating-linear-gradient(90deg, rgba(16, 17, 20, .06) 0 1px, rgba(16, 17, 20, 0) 1px 30px);
}

.sk-figure__caption {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--slate);
  max-width: 34em;
}

/* 10 响应式 */
@media (max-width: 1000px) {
  .sk-grid--rail { grid-template-columns: minmax(0, 1fr); }
  .sk-rail { position: static; top: auto; }
}

@media (max-width: 860px) {
  .sk-grid--split { grid-template-columns: minmax(0, 1fr); }
  .sk-footer__top { grid-template-columns: minmax(0, 1fr); }
  .sk-footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .sk-brand__sub { display: none; }
  .sk-capsule { padding-right: 10px; }
  .sk-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
  .sk-footer__ridge { height: 140px; }
  .sk-filter { border-radius: 14px; }
}

@media (max-width: 420px) {
  .sk-footer__cols { grid-template-columns: minmax(0, 1fr); }
  .sk-nav-toggle__label { display: none; }
}

/* 11 可达性与降级 */
:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.sk-header :focus-visible,
.sk-footer :focus-visible,
.sk-skip:focus-visible,
.sk-totop:focus-visible {
  outline-color: var(--gold-lite);
}

.sk-capsule__progress i,
.sk-list__item {
  will-change: transform, opacity;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}