/* ===========================================================
   彩娱乐会馆 · 共享样式表 /assets/site.css
   01 变量  02 重置  03 排版  04 页头  05 侧边轨道  06 页脚
   07 容器栅格  08 面板组件  09 标签与控件  10 图片容器  11 动效与可访问性
   =========================================================== */

/* ---------- 01 变量 ---------- */
:root {
  --gold: #E2A23A;
  --coral: #E0533C;
  --ink: #101B2E;
  --cream: #F7F0E2;
  --ticket: #EADCC3;
  --brown: #1E1712;
  --lake: #2C7BA8;
  --mint: #3FA98C;
  --violet: #7A5BA6;
  --mist: #D9D2C4;

  --rail-w: 0px;
  --shell: 1180px;
  --cut: 10px;
  --cut-lg: 20px;
  --gap: clamp(16px, 2.4vw, 28px);
  --hair: rgba(30, 23, 18, 0.16);
  --hair-dark: rgba(30, 23, 18, 0.3);
  --hair-light: rgba(247, 240, 226, 0.18);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-panel: 0 3px 0 rgba(30, 23, 18, 0.1), 0 20px 30px -22px rgba(16, 27, 46, 0.55);

  --font-display: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
}

@media (min-width: 1024px) {
  :root { --rail-w: 236px; }
}
@media (min-width: 1440px) {
  :root { --rail-w: 268px; }
}

/* ---------- 02 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ol, ul, hr, fieldset { margin: 0; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
main { display: block; }

body {
  min-height: 100vh;
  padding-left: 0;
  background-color: var(--cream);
  background-image: repeating-linear-gradient(135deg, rgba(30, 23, 18, 0.022) 0 1px, transparent 1px 10px);
  color: var(--brown);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
}

::selection { background: var(--gold); color: var(--brown); }

/* ---------- 03 排版 ---------- */
h1, .h1, h2, .h2, h3, .h3, h4, .h4 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--brown);
}
h1, .h1 { font-size: clamp(34px, 5.2vw, 48px); }
h2, .h2 { font-size: clamp(26px, 3.4vw, 32px); }
h3, .h3 { font-size: clamp(20px, 2.4vw, 24px); }
h4, .h4 { font-size: 18px; }

.display {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.02em;
}
.lede {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.8;
  color: rgba(30, 23, 18, 0.82);
}
.mono { font-family: var(--font-mono); font-size: 0.86em; letter-spacing: 0.04em; }
.muted { color: rgba(30, 23, 18, 0.58); }

.prose p { margin-bottom: 1.15em; }
.prose p:last-child { margin-bottom: 0; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.35em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { line-height: 1.7; margin-bottom: 0.35em; }
.prose li::marker { color: var(--coral); }
.prose a { color: var(--lake); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--coral); }
.prose strong { font-weight: 700; }
.prose blockquote {
  border-left: 4px solid var(--gold);
  padding: 4px 0 4px 18px;
  margin: 0 0 1.2em;
  color: rgba(30, 23, 18, 0.72);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--coral);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }

.divider {
  height: 2px;
  border: 0;
  margin: clamp(24px, 4vw, 44px) 0;
  background: linear-gradient(90deg, var(--gold) 0%, var(--coral) 38%, rgba(30, 23, 18, 0.08) 100%);
}

/* ---------- 04 页头 ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 300;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.skip-link:focus, .skip-link:focus-visible { left: 12px; top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(247, 240, 226, 0.94);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--hair);
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  max-width: var(--shell);
  min-height: 64px;
  margin: 0 auto;
  padding: 8px clamp(16px, 4vw, 40px);
}
.site-header__actions { display: flex; align-items: center; gap: 10px; }
.site-header__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--coral) 0%, var(--gold) 42%, var(--mint) 68%, var(--lake) 100%);
  transition: transform 0.18s linear;
  pointer-events: none;
}
@media (max-width: 767px) {
  .site-header__collect { display: none; }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
  color: var(--brown);
}
.brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  background: var(--gold);
  color: var(--brown);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  box-shadow: inset 0 0 0 1px rgba(30, 23, 18, 0.22);
  transition: background-color 0.26s var(--ease), color 0.26s var(--ease);
}
.brand:hover .brand__mark { background: var(--coral); color: #FFF6EE; }
.brand__text { display: flex; flex-direction: column; min-width: 0; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.12;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.brand__tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.26em;
  color: rgba(30, 23, 18, 0.55);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--cream);
  border: 1px solid var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--gold);
  transition: background-color 0.22s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--gold);
  transition: transform 0.26s var(--ease), top 0.26s var(--ease);
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
}

/* ---------- 05 侧边轨道 / 移动抽屉 ---------- */
.rail {
  position: fixed;
  top: 64px;
  left: 0;
  bottom: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  width: 290px;
  max-width: 86vw;
  padding: 16px 0 20px;
  background: var(--ink);
  color: var(--cream);
  border-right: 1px solid rgba(247, 240, 226, 0.14);
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateX(-103%);
  transition: transform 0.34s var(--ease);
}
.rail[data-open="true"] { transform: translateX(0); }
.rail::after { content: none; }

.rail__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 20px 16px;
  border-bottom: 1px solid var(--hair-light);
}
.rail__stamp {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}
.rail__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(247, 240, 226, 0.55);
}

.rail__list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 10px 0;
  list-style: none;
}
.rail__item { position: relative; }
.rail__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 22px 12px 26px;
  border-left: 3px solid transparent;
  color: rgba(247, 240, 226, 0.78);
  font-size: 16px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 0.22s var(--ease), background-color 0.22s var(--ease),
              border-color 0.22s var(--ease), transform 0.22s var(--ease);
}
.rail__link::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: rgba(247, 240, 226, 0.28);
  transition: background-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.rail__link:hover,
.rail__link:focus-visible {
  color: var(--cream);
  background: rgba(247, 240, 226, 0.07);
  transform: translateX(3px);
}
.rail__link:hover::before,
.rail__link:focus-visible::before { background: var(--gold); }
.rail__link[aria-current="page"] {
  color: var(--cream);
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(226, 162, 58, 0.24) 0%, rgba(226, 162, 58, 0) 92%);
}
.rail__link[aria-current="page"]::before {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(226, 162, 58, 0.25);
}
.rail__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--coral);
}
.rail__link[aria-current="page"] .rail__index { color: var(--gold); }
.rail__label { flex: 1 1 auto; }

.rail__foot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
  padding: 16px 20px 4px;
  border-top: 1px solid var(--hair-light);
}
.rail__note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: rgba(247, 240, 226, 0.55);
}

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 65;
  background: rgba(16, 27, 46, 0.55);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  border: 0;
  padding: 0;
}
.nav-scrim[hidden] { display: none; }

@media (min-width: 1024px) {
  .rail {
    top: 0;
    width: var(--rail-w);
    max-width: var(--rail-w);
    padding-top: 22px;
    transform: none;
    transition: none;
  }
  .rail[data-open="true"],
  .rail[data-open="false"] { transform: none; }
  .rail::after {
    content: "";
    position: absolute;
    top: 0;
    right: -1px;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--gold) 0%, var(--coral) 34%, var(--violet) 63%, var(--lake) 100%);
  }
  .nav-scrim { display: none !important; }
}
@media (max-width: 1023px) {
  body.nav-open { overflow: hidden; }
}

/* ---------- 06 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--ink);
  color: var(--cream);
}
.site-footer__band {
  height: 8px;
  background: linear-gradient(90deg,
    var(--gold) 0%, var(--gold) 22%,
    var(--coral) 22%, var(--coral) 40%,
    var(--violet) 40%, var(--violet) 58%,
    var(--mint) 58%, var(--mint) 76%,
    var(--lake) 76%, var(--lake) 100%);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(32px, 5vw, 56px) clamp(18px, 4vw, 40px) clamp(24px, 4vw, 40px);
}
@media (min-width: 768px) {
  .site-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .site-footer__inner { grid-template-columns: 1.3fr 2fr 1.5fr; }
}

.foot-brand { display: flex; flex-direction: column; gap: 10px; }
.foot-brand__mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}
.foot-brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.4vw, 26px);
  line-height: 1.2;
  letter-spacing: 0.08em;
}
.foot-brand__tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--gold);
}
.foot-brand__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: rgba(247, 240, 226, 0.55);
}

.foot-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: clamp(18px, 2.4vw, 28px);
}
.foot-col { min-width: 0; }
.foot-col__title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--coral);
}
.foot-col__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.foot-col__list a {
  display: inline-block;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(247, 240, 226, 0.82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}
.foot-col__list a:hover { color: var(--gold); border-bottom-color: var(--gold); }

.foot-contact { display: flex; flex-direction: column; gap: 12px; }
.foot-contact__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.foot-contact__row { display: flex; flex-direction: column; gap: 2px; }
.foot-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mint);
}
.foot-contact__value {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(247, 240, 226, 0.88);
  word-break: break-word;
}
.foot-contact__note {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 240, 226, 0.55);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px clamp(18px, 4vw, 40px) 28px;
  border-top: 1px solid var(--hair-light);
}
.foot-legal {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 240, 226, 0.5);
}

/* ---------- 07 容器与栅格 ---------- */
.wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
}
.section { padding-block: clamp(36px, 6vw, 76px); }
.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 20px;
  margin-bottom: clamp(20px, 3vw, 32px);
  padding-bottom: 14px;
  border-bottom: 2px solid var(--brown);
}

.grid { display: grid; gap: var(--gap); grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.stack { display: grid; gap: var(--gap); }
.stack--tight { gap: 10px; }
.stack--overlap { display: grid; gap: 0; }
.stack--overlap > * + * { margin-top: calc(-1 * var(--overlap, 18px)); }

/* ---------- 08 面板组件 ---------- */
.panel {
  position: relative;
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--ticket);
  border: 1px solid var(--hair);
  clip-path: polygon(var(--cut-lg) 0, 100% 0, 100% calc(100% - var(--cut-lg)),
                     calc(100% - var(--cut-lg)) 100%, 0 100%, 0 var(--cut-lg));
  filter: drop-shadow(0 3px 0 rgba(30, 23, 18, 0.1)) drop-shadow(0 18px 26px rgba(16, 27, 46, 0.18));
}
.panel--cream { background: var(--cream); }
.panel--ink { background: var(--ink); border-color: rgba(247, 240, 226, 0.18); color: var(--cream); }
.panel--ink h1, .panel--ink h2, .panel--ink h3 { color: var(--cream); }
.panel--gold { background: var(--gold); color: var(--brown); border-color: rgba(30, 23, 18, 0.24); }

.card {
  position: relative;
  padding: clamp(16px, 2vw, 24px);
  background: var(--cream);
  border: 1px solid var(--hair);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)),
                     calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: transform 0.28s var(--ease), background-color 0.28s var(--ease), border-color 0.28s var(--ease);
}
.card:hover { transform: translateY(-4px); background: #FFF9EE; border-color: rgba(30, 23, 18, 0.28); }
.card--ticket { background: var(--ticket); }
.card--ink { background: var(--ink); color: var(--cream); border-color: rgba(247, 240, 226, 0.18); }
.card--ink:hover { background: #16233C; }
.card__title {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0.02em;
}
.card__meta {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(30, 23, 18, 0.55);
}
.card--ink .card__meta { color: rgba(247, 240, 226, 0.62); }

/* ---------- 09 标签、按钮与控件 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--cream);
  border: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brown);
  white-space: nowrap;
}
.tag--gold { background: var(--gold); border-color: transparent; }
.tag--coral { background: var(--coral); border-color: transparent; color: #FFF6EE; }
.tag--mint { background: var(--mint); border-color: transparent; color: #F2FFFA; }
.tag--violet { background: var(--violet); border-color: transparent; color: #F7F1FF; }
.tag--lake { background: var(--lake); border-color: transparent; color: #EFF8FF; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--hair-dark);
  color: var(--brown);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background-color 0.22s var(--ease), color 0.22s var(--ease),
              border-color 0.22s var(--ease), transform 0.22s var(--ease);
}
.chip:hover { border-color: var(--coral); color: var(--coral); transform: translateY(-2px); }
.chip[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}
.chip__count { font-family: var(--font-mono); font-size: 11px; opacity: 0.75; }
.filter-meta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(30, 23, 18, 0.58);
}
[data-filter-item][hidden] { display: none; }
[data-filter-empty][hidden] { display: none; }

.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--cream);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)),
                     calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: transform 0.26s var(--ease), background-color 0.26s var(--ease), color 0.26s var(--ease);
}
.btn:hover {
  transform: translateY(-3px);
  filter: drop-shadow(0 8px 12px rgba(16, 27, 46, 0.28));
}
.btn:active { transform: translateY(0); }
.btn--gold { --btn-bg: var(--gold); --btn-fg: var(--brown); }
.btn--coral { --btn-bg: var(--coral); --btn-fg: #FFF6EE; }
.btn--ink { --btn-bg: var(--ink); --btn-fg: var(--cream); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--brown); border-color: currentColor; }
.btn--ghost:hover { --btn-bg: var(--ink); --btn-fg: var(--cream); border-color: var(--ink); }
.btn--sm { --cut: 8px; padding: 8px 15px; font-size: 13.5px; }
.btn--block { width: 100%; }

.breadcrumb { margin-bottom: clamp(14px, 2vw, 22px); }
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; color: rgba(30, 23, 18, 0.55); }
.breadcrumb li + li::before { content: "/"; color: var(--coral); }
.breadcrumb a {
  color: var(--brown);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-dark);
}
.breadcrumb a:hover { color: var(--coral); border-bottom-color: var(--coral); }
.breadcrumb [aria-current="page"] { color: rgba(30, 23, 18, 0.55); }

/* ---------- 10 图片容器（页面阶段放 img） ---------- */
.figure {
  position: relative;
  display: block;
  overflow: hidden;
  margin: 0;
  background: var(--ticket);
  border: 1px solid var(--hair);
  clip-path: polygon(var(--cut-lg) 0, 100% 0, 100% calc(100% - var(--cut-lg)),
                     calc(100% - var(--cut-lg)) 100%, 0 100%, 0 var(--cut-lg));
}
.figure__img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: linear-gradient(140deg, var(--ticket) 0%, var(--mist) 60%, #C9C0AE 100%);
}
.figure--wide .figure__img { aspect-ratio: 21 / 9; }
.figure--tall .figure__img { aspect-ratio: 4 / 5; }
.figure--square .figure__img { aspect-ratio: 1 / 1; }
.figure__tint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(150deg, rgba(226, 162, 58, 0.3) 0%, rgba(122, 91, 166, 0.22) 48%, rgba(16, 27, 46, 0.42) 100%);
  mix-blend-mode: multiply;
}
.figure__tag { position: absolute; left: 14px; bottom: 14px; z-index: 2; }
.figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(30, 23, 18, 0.6);
}

/* ---------- 11 动效与可访问性 ---------- */
:focus-visible { outline: 3px solid var(--lake); outline-offset: 2px; }
.site-header :focus-visible,
.rail :focus-visible,
.site-footer :focus-visible { outline-color: var(--gold); }

html.is-reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.42s var(--ease), transform 0.42s var(--ease);
}
html.is-reveal-ready [data-reveal].is-in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.is-reveal-ready [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}