/* ============================================================
   米乐赛场 · 全站共享样式 /assets/site.css
   夜场战术板：炭黑网格底 + 深墨绿数据面板 + 青柠激活 + 暖橙行动
   ============================================================ */

:root {
  --ink: #0D1210;
  --panel: #0B241D;
  --soil: #1A1410;
  --lime: #C8FF3D;
  --orange: #FF8A3D;
  --silver: #AEB9B4;
  --cream: #F3EBDD;
  --moss: #6F857C;
  --paper: #E8DCC6;

  --line: rgba(174, 185, 180, 0.20);
  --line-strong: rgba(174, 185, 180, 0.40);
  --lime-dim: rgba(200, 255, 61, 0.14);
  --orange-dim: rgba(255, 138, 61, 0.14);

  --font-display: "Archivo Narrow", "Helvetica Neue Condensed", "Arial Narrow", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "Roboto Mono", "SFMono-Regular", ui-monospace, monospace;

  --gutter: clamp(16px, 4vw, 48px);
  --maxw: 1320px;
  --ease: 180ms cubic-bezier(.2, .7, .3, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
}

body {
  margin: 0;
  background-color: var(--ink);
  background-image:
    linear-gradient(90deg, rgba(174, 185, 180, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(174, 185, 180, 0.03) 1px, transparent 1px);
  background-size: 88px 88px;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; }
img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
table { border-collapse: collapse; }

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  box-shadow: 0 0 0 2px var(--ink);
}

::selection {
  background: var(--lime);
  color: var(--ink);
}

/* ---------- 无障碍 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  transform: translateY(-200%);
  transition: transform var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 布局骨架 ---------- */
.wrap {
  width: min(100% - var(--gutter) * 2, var(--maxw));
  margin-inline: auto;
}
.wrap--narrow { max-width: 860px; }

.grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 28px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(20px, 3vw, 44px);
  align-items: start;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.8vw, 22px);
}

.divider {
  height: 1px;
  border: 0;
  background: var(--line);
  margin: clamp(28px, 4vw, 56px) 0;
}

/* ---------- 页头：框架式导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(13, 18, 16, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-strong);
}

.frame-bar {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  transition: padding var(--ease);
}

.frame-bar__inner {
  width: min(100% - var(--gutter) * 2, var(--maxw));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 3vw, 40px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 0 1 auto;
}
.brand:hover .brand__name { color: var(--lime); }

.brand__mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
  transition: width var(--ease), height var(--ease), font-size var(--ease);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--cream);
  transition: color var(--ease);
}

.brand__desc {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--moss);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 36ch;
}

.frame-bar__tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--silver);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}
.tool:hover,
.tool:focus-visible {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.tool--lime {
  border-color: rgba(200, 255, 61, 0.55);
  color: var(--lime);
}
.tool--lime:hover,
.tool--lime:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.tool--cta {
  background: var(--orange);
  border-color: var(--orange);
  color: #231204;
  font-weight: 700;
}
.tool--cta:hover,
.tool--cta:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 12px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--cream);
  font-size: 13px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color var(--ease), border-color var(--ease);
}
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--ease), top var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 8.5px; }
.site-header[data-open] .nav-toggle {
  border-color: var(--lime);
  color: var(--lime);
}
.site-header[data-open] .nav-toggle__bars::before {
  top: 4.5px;
  transform: rotate(45deg);
}
.site-header[data-open] .nav-toggle__bars::after {
  top: 4.5px;
  transform: rotate(-45deg);
}

.site-nav {
  width: min(100% - var(--gutter) * 2, var(--maxw));
  margin-inline: auto;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 40px);
}

.site-nav__list {
  list-style: none;
  display: flex;
  align-items: stretch;
  gap: clamp(2px, 1.2vw, 22px);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.site-nav__list::-webkit-scrollbar { display: none; }

.site-nav__item { display: flex; }

.site-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 13px 4px 11px;
  border-bottom: 2px solid transparent;
  color: var(--silver);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease);
}
.site-nav__link:hover {
  color: var(--cream);
  border-bottom-color: rgba(200, 255, 61, 0.45);
}
.site-nav__link:hover .site-nav__idx { color: var(--lime); }

.site-nav__idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--moss);
  transition: color var(--ease);
}

.site-nav__link[aria-current="page"] {
  color: var(--cream);
  border-bottom-color: var(--lime);
}
.site-nav__link[aria-current="page"] .site-nav__idx { color: var(--lime); }

.site-nav__hint {
  display: flex;
  align-items: center;
  padding-left: 20px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--moss);
  white-space: nowrap;
}

.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--orange));
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: 0 50%;
  pointer-events: none;
}

.site-header.is-compact .frame-bar { padding: 8px 0; }
.site-header.is-compact .brand__mark {
  width: 32px;
  height: 32px;
  font-size: 16px;
}

/* ---------- 页脚：出版物版权页 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 110px);
  background: var(--soil);
  border-top: 1px solid var(--line-strong);
  color: var(--cream);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(80px, 18vw, 220px);
  height: 2px;
  background: var(--lime);
}

.footer__grid {
  width: min(100% - var(--gutter) * 2, var(--maxw));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(240px, 1.3fr) repeat(3, minmax(120px, 0.75fr));
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(36px, 5vw, 68px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.footer__brand { min-width: 0; }

.footer__wordmark {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--cream);
  margin-bottom: 10px;
}

.footer__line {
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.85;
  max-width: 34ch;
  margin-bottom: 20px;
}

.footer__contact {
  list-style: none;
  display: grid;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--silver);
}
.footer__contact li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.footer__key {
  flex: 0 0 auto;
  min-width: 2.8em;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--moss);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.footer__links {
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer__link {
  display: inline-block;
  font-size: 14px;
  color: var(--cream);
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.footer__link:hover,
.footer__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.footer__bottom {
  width: min(100% - var(--gutter) * 2, var(--maxw));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 28px;
  padding: 20px 0 32px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--moss);
}
.footer__legal { color: var(--moss); }
.footer__icp { color: var(--silver); }
.footer__note {
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0;
  line-height: 1.7;
  color: var(--moss);
  max-width: 48ch;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: #231204;
  font-weight: 700;
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.btn--lime {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
}
.btn--lime:hover,
.btn--lime:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: #231204;
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--cream);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: var(--lime-dim);
}

.btn--quiet {
  min-height: 0;
  padding: 0;
  border-color: transparent;
  color: var(--silver);
}
.btn--quiet:hover,
.btn--quiet:focus-visible {
  color: var(--lime);
  background: transparent;
  transform: none;
}

/* ---------- 面包屑 ---------- */
.crumbs {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--moss);
}
.crumbs__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.crumbs__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.crumbs__sep { color: var(--moss); opacity: 0.6; }
.crumbs__link { color: var(--silver); transition: color var(--ease); }
.crumbs__link:hover,
.crumbs__link:focus-visible { color: var(--lime); }

/* ---------- 索引标题 / 展览标签 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--lime);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--lime);
}

.label-plate {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: var(--paper);
  color: #2A1F14;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--silver);
}
.tag--lime {
  border-color: rgba(200, 255, 61, 0.5);
  background: var(--lime-dim);
  color: var(--lime);
}
.tag--orange {
  border-color: rgba(255, 138, 61, 0.5);
  background: var(--orange-dim);
  color: var(--orange);
}

/* ---------- 数据面板 ---------- */
.panel {
  position: relative;
  background: linear-gradient(180deg, rgba(11, 36, 29, 0.94), rgba(11, 36, 29, 0.70));
  border: 1px solid var(--line);
  padding: clamp(18px, 2.4vw, 28px);
}
.panel--soil {
  background: var(--soil);
  border-color: rgba(174, 185, 180, 0.18);
}
.panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.panel__title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cream);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}
.stat--orange .stat__value { color: var(--orange); }
.stat__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

/* ---------- 收藏轨道 ---------- */
.rail {
  list-style: none;
  border-left: 1px solid var(--line);
}
.rail__item {
  position: relative;
  padding: 13px 0 13px 18px;
  border-bottom: 1px solid var(--line);
  transition: background var(--ease);
}
.rail__item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background var(--ease);
}
.rail__item:hover { background: rgba(200, 255, 61, 0.04); }
.rail__item:hover::before,
.rail__item[data-active]::before { background: var(--lime); }

.rail__idx {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--moss);
}

/* ---------- 图片容器 ---------- */
.figure {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.figure__media {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
  transition: border-color var(--ease);
}
.figure__media:hover { border-color: rgba(200, 255, 61, 0.6); }

.figure__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure--wide .figure__media { aspect-ratio: 21 / 9; }
.figure--tall .figure__media { aspect-ratio: 4 / 5; }
.figure--square .figure__media { aspect-ratio: 1 / 1; }

.figure__media--tactics {
  background-image:
    linear-gradient(118deg, rgba(200, 255, 61, 0.14), transparent 46%),
    linear-gradient(0deg, rgba(255, 138, 61, 0.08), transparent 70%),
    repeating-linear-gradient(90deg, rgba(174, 185, 180, 0.14) 0 1px, transparent 1px 23px),
    repeating-linear-gradient(0deg, rgba(174, 185, 180, 0.10) 0 1px, transparent 1px 23px);
}

.figure__caption {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--lime);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 规则说明牌 ---------- */
.rule-block {
  background: var(--soil);
  border: 1px solid rgba(174, 185, 180, 0.18);
  border-left: 2px solid var(--orange);
  padding: clamp(18px, 2.4vw, 30px);
}

.rule-list {
  list-style: none;
  display: grid;
  gap: 14px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--silver);
}
.rule-list__num {
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.note {
  background: var(--paper);
  color: #2A1F14;
  padding: clamp(16px, 2vw, 24px);
  font-size: 14px;
  line-height: 1.9;
  border-left: 3px solid var(--orange);
}

/* ---------- 长文阅读区 ---------- */
.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(243, 235, 221, 0.86);
}
.prose p { margin-bottom: 1.15em; }
.prose p:last-child { margin-bottom: 0; }
.prose h2,
.prose h3 {
  margin: 1.8em 0 0.6em;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cream);
}
.prose strong { color: var(--cream); font-weight: 600; }
.prose a {
  color: var(--lime);
  border-bottom: 1px solid rgba(200, 255, 61, 0.4);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .footer__grid {
    grid-template-columns: minmax(220px, 1fr) repeat(3, minmax(110px, 0.7fr));
    gap: 24px 28px;
  }
}

@media (max-width: 960px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .site-nav__hint { display: none; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 104px; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    display: block;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    border-top: 1px solid var(--line);
    transition: max-height 240ms ease, opacity 180ms ease, visibility 0s linear 240ms;
  }
  .site-header[data-open] .site-nav {
    max-height: min(70vh, 460px);
    overflow-y: auto;
    visibility: visible;
    opacity: 1;
    transition: max-height 260ms ease, opacity 200ms ease, visibility 0s;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
    width: 100%;
    padding: 4px 0 10px;
  }
  .site-nav__item {
    width: 100%;
    border-bottom: 1px solid var(--line);
  }
  .site-nav__item:last-child { border-bottom: 0; }
  .site-nav__link {
    width: 100%;
    padding: 14px 2px;
    font-size: 16px;
    border-bottom: 0;
  }
  .site-nav__link[aria-current="page"] { color: var(--lime); }
  .site-nav__link[aria-current="page"] .site-nav__idx { color: var(--lime); }
}

@media (max-width: 720px) {
  .brand__desc { display: none; }
  .tool--search { display: none; }
  .tool { height: 32px; padding: 0 11px; font-size: 12.5px; }
  .nav-toggle { height: 32px; }
  .site-header.is-compact .brand__mark { width: 30px; height: 30px; font-size: 15px; }
  .footer__grid { padding-top: 32px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; gap: 26px; }
  .footer__line { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .btn:hover { transform: none; }
}