/* ============================================================
   神人棋牌 · /assets/site.css
   共享外壳：重置 / 变量 / 中文排版 / 头部轨道 / 页脚 / 通用组件
   ============================================================ */

:root {
  --ink-green: #0B1F1A;
  --table-green: #123A31;
  --moss: #2F5D50;
  --amber: #E3A94E;
  --amber-soft: #F3DCA8;
  --saffron: #B33A2E;
  --prayer-blue: #3B7FA8;
  --paper: #F4EDDD;
  --cream: #FBF7EE;
  --ink: #131210;
  --sage: #7C9A90;

  --rail-w: 232px;
  --gutter: clamp(18px, 4vw, 48px);
  --shell-max: 1180px;

  --font-display: "Source Han Serif SC", "Songti SC", "SimSun", "Georgia", serif;
  --font-body: "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --bd: 2px;
  --shadow-hard: 8px 8px 0 rgba(0, 0, 0, 0.35);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

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

body {
  margin: 0;
  background-color: var(--ink-green);
  background-image:
    linear-gradient(rgba(47, 93, 80, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 93, 80, 0.13) 1px, transparent 1px);
  background-size: 72px 72px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
ul, ol { list-style: none; margin: 0; padding: 0; }

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-soft); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.25;
  margin: 0;
  color: var(--paper);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

button { font: inherit; }

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--amber);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.4);
  transform: translateY(-200%);
  transition: transform 0.18s var(--ease);
}
.skip-link:focus { transform: translateY(0); color: var(--ink); }

/* ============================================================
   头部：桌面左侧轨道 / 移动顶部悬浮胶囊
   ============================================================ */
.site-head { z-index: 60; }

.head-rail {
  background: linear-gradient(180deg, #0e2a24 0%, #0B1F1A 58%, #081714 100%);
}

.head-rail__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* 品牌浮岛 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper);
  text-decoration: none;
  min-width: 0;
}
.brand:hover { color: var(--paper); }

.brand__mark {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: var(--bd) solid var(--amber);
  border-radius: 12px;
  background: var(--table-green);
  color: var(--amber);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.4);
}

.brand__text { min-width: 0; }

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.brand__line {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--sage);
  letter-spacing: 0.02em;
}

/* 移动端抽屉开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  background: transparent;
  color: var(--amber);
  border: var(--bd) solid var(--moss);
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.nav-toggle:hover { border-color: var(--amber); }

.nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease);
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-5px) rotate(-45deg); }

/* 主导航 */
.head-nav { display: block; }

.nav-list { display: flex; }

.nav-list__item { min-width: 0; }

.nav-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: var(--bd) solid transparent;
  border-radius: 999px;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
              color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.nav-pill:hover {
  color: var(--amber-soft);
  border-color: var(--amber);
  background: rgba(227, 169, 78, 0.1);
}

.nav-pill__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sage);
  transition: color 0.2s var(--ease);
}
.nav-pill:hover .nav-pill__idx { color: var(--amber); }

.nav-pill__label { white-space: nowrap; }

.nav-pill[aria-current="page"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 700;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
}
.nav-pill[aria-current="page"] .nav-pill__idx { color: rgba(19, 18, 16, 0.55); }
.nav-pill[aria-current="page"]:hover { color: var(--ink); }

/* 轨道底部元信息 */
.head-meta { display: flex; flex-direction: column; gap: 10px; }

.head-meta__badge {
  margin: 0;
  padding: 6px 10px;
  border: 1px solid var(--moss);
  border-radius: 6px;
  background: rgba(227, 169, 78, 0.07);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1.5;
}

.head-meta__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--sage);
}

.head-meta__cta {
  display: block;
  padding: 10px 12px;
  border: var(--bd) solid var(--amber);
  border-radius: 999px;
  background: var(--amber);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.head-meta__cta:hover {
  color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.42);
}

/* ---------- 桌面端：左侧常驻轨道 ---------- */
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }

  .site-head {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--rail-w);
  }

  .site-head::after {
    content: "";
    position: absolute;
    top: 0;
    right: 6px;
    width: 3px;
    height: 66%;
    background: linear-gradient(180deg, var(--saffron), var(--amber) 42%, var(--prayer-blue) 78%, transparent);
    opacity: 0.6;
    pointer-events: none;
  }

  .head-rail {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 24px 16px 20px;
    gap: 20px;
    border-right: var(--bd) solid var(--moss);
    overflow-y: auto;
  }

  .nav-toggle { display: none; }
  .head-nav { display: block; }
  .nav-list { flex-direction: column; gap: 6px; }

  .head-meta {
    margin-top: auto;
    padding-top: 16px;
    border-top: var(--bd) dashed var(--moss);
  }
}

/* ---------- 平板 / 手机：顶部悬浮胶囊 + 抽屉 ---------- */
@media (max-width: 1023px) {
  body { padding-top: 92px; }

  .site-head {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 10px 12px 0;
    pointer-events: none;
  }

  .head-rail {
    pointer-events: auto;
    border: var(--bd) solid var(--moss);
    border-radius: 999px;
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.3);
    transition: border-radius 0.24s var(--ease), border-color 0.24s var(--ease);
  }
  .head-rail[data-open] { border-radius: 24px; border-color: var(--amber); }

  .head-rail__top {
    min-height: 60px;
    padding: 8px 14px;
  }

  .brand__mark {
    flex-basis: 36px;
    width: 36px;
    height: 36px;
    font-size: 18px;
    border-radius: 10px;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.38);
  }
  .brand__name { font-size: 17px; }
  .brand__line { display: none; }

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

  .head-nav { display: none; }
  .head-nav[data-open] { display: block; }

  .nav-list {
    flex-direction: column;
    gap: 4px;
    padding: 4px 12px 16px;
  }
  .nav-pill { padding: 11px 14px; font-size: 15px; }

  .head-meta { display: none; }
}

/* ============================================================
   页脚
   ============================================================ */
.site-foot {
  position: relative;
  margin-top: 96px;
  border-top: 3px solid var(--moss);
  background: linear-gradient(180deg, #0a1c17 0%, #071310 100%);
}

.site-foot::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg,
    var(--saffron) 0 24%,
    var(--amber) 24% 50%,
    var(--prayer-blue) 50% 76%,
    var(--moss) 76% 100%);
}

.foot-shell {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 64px) var(--gutter) 28px;
}

.foot-top {
  display: grid;
  grid-template-columns: minmax(180px, 1.1fr) 2.4fr;
  gap: 40px;
  align-items: start;
}

.foot-brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin: 0 0 12px;
  border: var(--bd) solid var(--amber);
  border-radius: 10px;
  background: var(--table-green);
  color: var(--amber);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.4);
}

.foot-brand__name {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.foot-brand__line {
  margin: 0;
  font-size: 13px;
  color: var(--sage);
}

.foot-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.foot-col__title {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: var(--bd) dashed var(--moss);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.foot-col__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.foot-col__list a {
  display: inline-block;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.6;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.foot-col__list a:hover {
  color: var(--amber-soft);
  border-bottom-color: var(--amber);
}

.foot-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 40px;
  padding-top: 22px;
  border-top: var(--bd) dashed var(--moss);
}

.foot-contact__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.foot-contact__note {
  margin: 0;
  font-size: 13px;
  color: var(--sage);
}

.foot-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--moss);
}

.foot-base__icp,
.foot-base__sign,
.foot-base__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.foot-base__icp { color: var(--amber); }

@media (max-width: 900px) {
  .foot-top { grid-template-columns: 1fr; gap: 32px; }
  .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}
@media (max-width: 520px) {
  .foot-cols { grid-template-columns: 1fr; }
  .site-foot { margin-top: 72px; }
}

/* ============================================================
   回到顶部
   ============================================================ */
.to-top {
  position: fixed;
  right: 20px;
  bottom: 22px;
  z-index: 70;
  padding: 10px 18px;
  border: var(--bd) solid var(--amber);
  border-radius: 999px;
  background: rgba(11, 31, 26, 0.94);
  color: var(--amber);
  font-size: 13px;
  cursor: pointer;
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.42);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s;
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover { background: var(--amber); color: var(--ink); }

/* ============================================================
   通用布局与内容组件
   ============================================================ */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.page-main {
  display: block;
  padding-top: clamp(24px, 4vw, 52px);
}

/* 面包屑 */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}
.crumbs a {
  color: var(--sage);
  border-bottom: 1px dashed var(--moss);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.crumbs a:hover { color: var(--amber); border-bottom-color: var(--amber); }
.crumbs__sep { color: var(--moss); }

/* 章节头 */
.sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px 16px;
  padding-bottom: 14px;
  margin-bottom: 26px;
  border-bottom: var(--bd) solid var(--moss);
}
.sec-head__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
  padding-bottom: 6px;
}
.sec-head__title {
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: 0.01em;
}

/* 网格 */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .grid--2,
  .grid--3 { grid-template-columns: 1fr; }
}

/* 档案卡 */
.card {
  position: relative;
  padding: 22px;
  border: var(--bd) solid var(--moss);
  border-radius: 14px;
  background: var(--table-green);
  box-shadow: var(--shadow-hard);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease),
              transform 0.2s var(--ease);
}
.card:hover {
  border-color: var(--amber);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.42);
  transform: translate(-2px, -2px);
}

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.card__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.45;
  color: var(--paper);
}

.card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 237, 221, 0.78);
}

.card--paper {
  background: var(--paper);
  border-color: rgba(19, 18, 16, 0.55);
}
.card--paper .card__title { color: var(--ink); }
.card--paper .card__text { color: #3b362d; }
.card--paper .card__no { color: #7a7466; }

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid currentColor;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1.6;
  white-space: nowrap;
}
.tag--amber { color: var(--amber); }
.tag--saffron { color: var(--saffron); background: rgba(179, 58, 46, 0.16); }
.tag--blue { color: var(--prayer-blue); }
.tag--sage { color: var(--sage); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border: var(--bd) solid var(--amber);
  border-radius: 999px;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease),
              background 0.18s var(--ease), color 0.18s var(--ease);
}
.btn:hover {
  color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.42);
}

.btn--ghost {
  background: transparent;
  color: var(--amber-soft);
  border-color: var(--moss);
}
.btn--ghost:hover {
  background: rgba(227, 169, 78, 0.12);
  color: var(--amber);
  border-color: var(--amber);
}

.btn--sm { padding: 8px 16px; font-size: 13px; }

/* 时间线 */
.timeline {
  position: relative;
  padding-left: 30px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: repeating-linear-gradient(180deg, var(--moss) 0 6px, transparent 6px 13px);
}
.timeline__item {
  position: relative;
  margin-bottom: 22px;
}
.timeline__item:last-child { margin-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 9px;
  width: 16px;
  height: 16px;
  border: var(--bd) solid var(--moss);
  border-radius: 50%;
  background: var(--ink-green);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.timeline__item:hover::before,
.timeline__item.is-live::before {
  border-color: var(--amber);
  background: var(--amber);
}

/* 图片容器 */
.figure {
  margin: 0;
  border: var(--bd) solid var(--moss);
  border-radius: 14px;
  overflow: hidden;
  background: var(--table-green);
  box-shadow: var(--shadow-hard);
}
.figure__media {
  position: relative;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  overflow: hidden;
  background-color: #102e28;
  background-image:
    linear-gradient(135deg, rgba(227, 169, 78, 0.1), transparent 55%),
    repeating-linear-gradient(45deg, rgba(47, 93, 80, 0.4) 0 8px, transparent 8px 18px);
}
.figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.figure__caption {
  padding: 12px 16px;
  border-top: var(--bd) dashed var(--moss);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--sage);
}
.figure--wide .figure__media { aspect-ratio: 21 / 9; }
.figure--tall .figure__media { aspect-ratio: 4 / 5; }
.figure--square .figure__media { aspect-ratio: 1 / 1; }

/* 长文 */
.prose { max-width: 68ch; }
.prose p { margin: 0 0 1em; }
.prose h3 { margin: 1.6em 0 0.6em; font-size: 22px; }

.prose--paper {
  max-width: none;
  padding: clamp(20px, 3vw, 30px);
  border: var(--bd) solid rgba(19, 18, 16, 0.5);
  border-radius: 14px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-hard);
}
.prose--paper h3 { color: var(--ink); }
.prose--paper a { color: var(--saffron); border-bottom: 1px solid var(--saffron); }

/* 停顿线 / 侧注 */
.divider {
  height: var(--bd);
  margin: 32px 0;
  border: 0;
  background: repeating-linear-gradient(90deg, var(--moss) 0 10px, transparent 10px 22px);
}

.note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--sage);
}

/* ============================================================
   显现动效
   ============================================================ */
[data-reveal] {
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.js [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translateY(14px);
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.12s !important;
  }
  .js [data-reveal]:not(.is-in) {
    opacity: 1;
    transform: none;
  }
  .js [data-reveal] { transition-delay: 0ms !important; }
  .to-top { transition: opacity 0.12s linear !important; }
  .skip-link { transition: none !important; }
}