/* ============================================================
   易发游戏 · 经典版本入口指引站
   共享样式 /assets/site.css
   墨绿底 + 暖沙金 + 霓虹橙路径高亮 + 陶土红限定
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: #0F2A24;
}

body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; }

/* ---------- tokens ---------- */
:root {
  --ink: #0F2A24;
  --ink-2: #1C3D33;
  --moss: #4C7A63;
  --sand: #D9A94C;
  --sand-lt: #F0D49A;
  --neon: #FF7A3D;
  --paper: #F5F1E6;
  --stone: #8C9490;
  --clay: #B8563C;
  --scan: rgba(245, 241, 230, .06);
  --line: 1px solid var(--moss);
  --line-soft: 1px solid rgba(76, 122, 99, .5);
  --r: 3px;
  --wrap: 1280px;
  --font-display: "Impact", "Haettenschweiler", "Arial Narrow", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-head: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: var(--font-head);
  --font-mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
}

/* ---------- 基础排版 ---------- */
body {
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: .01em;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}
h1 { font-size: clamp(34px, 6vw, 64px); }
h2 { font-size: clamp(26px, 3.4vw, 40px); }
h3 { font-size: clamp(20px, 2.2vw, 24px); }
h4 { font-size: 18px; }

p { line-height: 1.8; }

:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

/* ---------- 布局容器 ---------- */
.wrap {
  width: min(var(--wrap), 100% - 40px);
  margin-inline: auto;
}

.section { padding-block: clamp(48px, 7vw, 88px); }
.section--tight { padding-block: clamp(32px, 4vw, 56px); }
.section + .section { border-top: var(--line-soft); }

.stack { display: grid; gap: 16px; }
.stack--lg { display: grid; gap: 32px; }

.grid { display: grid; gap: clamp(20px, 3vw, 36px); }
.grid--7-5 { grid-template-columns: 7fr 5fr; }
.grid--4-8 { grid-template-columns: 4fr 8fr; }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.prose { max-width: 720px; }
.prose p { margin-bottom: 1.15em; }
.prose p:last-child { margin-bottom: 0; }
.prose a {
  color: var(--sand-lt);
  text-decoration: none;
  border-bottom: 1px solid var(--sand);
}
.prose a:hover { color: var(--neon); border-bottom-color: var(--neon); }

/* ---------- 标题与导语 ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  letter-spacing: -.02em;
  line-height: .98;
  font-size: clamp(44px, 9vw, 96px);
  color: var(--paper);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sand);
}
.kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--neon);
  flex: 0 0 auto;
}

.lede {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--sand-lt);
  max-width: 640px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--moss);
  border-radius: var(--r);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease,
              border-color .15s ease, transform .12s ease;
}
.btn:active { transform: translateY(1px); }

.btn--console {
  border-color: var(--sand);
  color: var(--sand-lt);
  background: linear-gradient(180deg, rgba(217, 169, 76, .18), rgba(217, 169, 76, .04));
  box-shadow: inset 0 1px 0 rgba(245, 241, 230, .14), 0 2px 0 rgba(0, 0, 0, .35);
}
.btn--console:hover {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
}

/* ---------- 面包屑 ---------- */
.crumb { margin-bottom: 20px; }
.crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}
.crumb__item { display: inline-flex; align-items: center; gap: 8px; }
.crumb__link {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.crumb__link:hover { color: var(--sand); border-bottom-color: var(--sand); }
.crumb__item[aria-current="page"] { color: var(--sand-lt); }
.crumb__sep { color: var(--moss); }

/* ---------- 媒体容器（供页面阶段放图） ---------- */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: var(--line);
  border-radius: 2px;
  background:
    linear-gradient(160deg, var(--ink-2) 0%, #123028 58%, #0B211C 100%);
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.7) contrast(1.06);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, var(--scan) 0 1px, transparent 1px 4px);
}

.media__scan {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -30%;
  width: 28%;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(240, 212, 154, .12), transparent);
  animation: scan-move 9s linear infinite;
}

@keyframes scan-move {
  from { left: -30%; }
  to { left: 105%; }
}

.media__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

/* ---------- 筛选标签 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid var(--moss);
  border-radius: var(--r);
  background: transparent;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}
.chip:hover { color: var(--paper); border-color: var(--sand); }
.chip[aria-pressed="true"] {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink);
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  top: -120px;
  left: 16px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  text-decoration: none;
  border-radius: 2px;
  transition: top .15s ease;
}
.skip-link:focus { top: 12px; }

/* ============================================================
   页头：紧凑命令栏
   ============================================================ */
.cmd-bar {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(15, 42, 36, .94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--moss);
}

.cmd-bar__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  width: min(var(--wrap), 100% - 40px);
  margin-inline: auto;
  padding: 14px 0;
  transition: padding .2s ease;
}
.cmd-bar.is-compact .cmd-bar__inner { padding: 8px 0; }

.cmd-bar__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--paper);
}

.cmd-bar__mark {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  background: var(--sand);
  box-shadow: 0 0 0 3px rgba(217, 169, 76, .18);
}

.cmd-bar__names {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.cmd-bar__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--paper);
}
.cmd-bar__brand:hover .cmd-bar__name { color: var(--sand-lt); }

.cmd-bar__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sand);
  transition: opacity .2s ease;
}
.cmd-bar.is-compact .cmd-bar__tag {
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* 导航 */
.nav { margin-left: auto; min-width: 0; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav__item { flex: 0 0 auto; }

.nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 12px;
  border-bottom: 2px solid transparent;
  color: var(--stone);
  font-size: 14.5px;
  letter-spacing: .02em;
  text-decoration: none;
  transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}
.nav__link:hover {
  color: var(--paper);
  background: rgba(76, 122, 99, .22);
}

.nav__idx {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--moss);
}

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

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 12px;
  border: 1px solid var(--moss);
  border-radius: var(--r);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
}
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}
.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: var(--sand);
}
.nav-toggle__bars span:nth-child(2) { width: 70%; }
.nav-toggle__txt { white-space: nowrap; }
.cmd-bar[data-open="true"] .nav-toggle {
  border-color: var(--neon);
  color: var(--neon);
}
.cmd-bar[data-open="true"] .nav-toggle__bars span { background: var(--neon); }

/* 头部 CTA */
.cmd-bar__cta { flex: 0 0 auto; }

/* 滚动进度光带 */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
}
.scroll-meter__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--sand), var(--neon));
}

/* 右下角固定入口 */
.dock {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 15px;
  background: var(--ink-2);
  color: var(--sand-lt);
  border: 1px solid var(--sand);
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  text-decoration: none;
  box-shadow: 0 6px 0 rgba(0, 0, 0, .4), inset 0 1px 0 rgba(245, 241, 230, .14);
  transition: color .15s ease, border-color .15s ease, transform .12s ease;
}
.dock:hover { color: var(--neon); border-color: var(--neon); }
.dock:active { transform: translateY(2px); }
.dock__idx {
  padding: 2px 5px;
  background: var(--neon);
  color: var(--ink);
  font-size: 10px;
  letter-spacing: .06em;
}

/* ============================================================
   页脚
   ============================================================ */
.foot {
  position: relative;
  margin-top: 72px;
  padding: 56px 0 28px;
  background: var(--ink-2);
  border-top: 1px solid var(--moss);
}
.foot::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, var(--scan) 0 1px, transparent 1px 4px);
}

.foot__inner {
  position: relative;
  display: grid;
  gap: 36px;
}

.foot__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding-bottom: 20px;
  border-bottom: var(--line-soft);
}
.foot__brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: .02em;
  line-height: 1.1;
  color: var(--paper);
}
.foot__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--moss);
}

.foot__path {
  padding: 20px;
  border: var(--line);
  border-radius: 2px;
  background: rgba(15, 42, 36, .5);
}
.foot__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sand);
}

.foot__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.foot__step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: var(--line-soft);
  border-radius: 2px;
  background: rgba(28, 61, 51, .6);
}
.foot__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--neon);
}
.foot__step-txt { font-size: 14.5px; color: var(--paper); }

.foot__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.foot__list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}
.foot__link {
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.foot__link:hover { color: var(--sand-lt); border-bottom-color: var(--sand); }

.foot__note {
  margin-top: 14px;
  max-width: 560px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--stone);
}

.foot__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 28px;
  padding-top: 20px;
  border-top: var(--line-soft);
}
.foot__icp {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--stone);
}
.foot__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.foot__legal-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.foot__legal-link:hover { color: var(--sand); border-bottom-color: var(--sand); }

.foot__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: 14px;
  border-top: 1px solid rgba(76, 122, 99, .35);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--stone);
}
.foot__meta-item { word-break: break-word; }

/* ============================================================
   显现动效协议
   ============================================================ */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
  will-change: opacity, transform;
}
.has-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1100px) {
  .nav__link { padding: 8px 9px; font-size: 14px; }
  .cmd-bar__tag { letter-spacing: .1em; }
}

@media (max-width: 900px) {
  body { font-size: 16px; }

  .wrap { width: min(var(--wrap), 100% - 32px); }
  .cmd-bar__inner {
    width: min(var(--wrap), 100% - 32px);
    gap: 10px;
  }

  .grid--7-5,
  .grid--4-8,
  .grid--3 { grid-template-columns: 1fr; }

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

  .cmd-bar__cta {
    padding: 9px 11px;
    font-size: 11.5px;
    letter-spacing: .04em;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    display: none;
    background: var(--ink-2);
    border-bottom: 1px solid var(--moss);
  }
  .cmd-bar[data-open="true"] .nav { display: block; }

  .nav__list {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    padding: 14px 16px;
  }
  .nav__item { flex: 0 0 auto; scroll-snap-align: start; }
  .nav__link {
    border: 1px solid var(--moss);
    border-radius: var(--r);
    padding: 11px 14px;
    font-size: 14px;
    white-space: nowrap;
  }
  .nav__link[aria-current="page"] {
    border-color: var(--neon);
    background: rgba(255, 122, 61, .08);
  }

  .foot { margin-top: 56px; padding-top: 44px; }
}

@media (max-width: 600px) {
  .cmd-bar__name { font-size: 17px; }
  .cmd-bar__mark { width: 11px; height: 11px; }
  .cmd-bar__tag { display: none; }
  .nav-toggle { padding: 8px 10px; font-size: 11px; }

  .dock {
    right: 12px;
    bottom: 12px;
    padding: 9px 12px;
    font-size: 11.5px;
  }
  .dock__idx { display: none; }

  .foot__path { padding: 16px; }
  .foot__legal { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   动效降级
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .has-js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .media__scan { display: none; }
}