/* ==========================================================================
   壹趣体育 · 共享外壳样式  /assets/site.css
   基底 夜赛深青 #0A2A33 · 强化 荧光橙 #FF6B2C / 薄荷绿 #3CE0A6 / 沙金 #D8B36A
   ========================================================================== */

/* ---------- 1. reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, blockquote, dl, dt, dd, table, th, td {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

img, svg, video, canvas { display: block; max-width: 100%; height: auto; }

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; cursor: pointer; }

a { color: inherit; text-decoration: none; }

table { border-collapse: collapse; width: 100%; }

[hidden] { display: none !important; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --night: #0A2A33;
  --stand: #133E4A;
  --flame: #FF6B2C;
  --flame-soft: #FF8347;
  --mint: #3CE0A6;
  --sand: #D8B36A;
  --paper: #F3F6F5;
  --ink: #08151A;
  --mist: #93AEB5;
  --sand-paper: #E8E2D4;
  --alert: #D2523F;

  --line-soft: 1px solid rgba(147, 174, 181, .24);
  --line-sand: 1px solid rgba(216, 179, 106, .30);
  --line-ink: 1px solid rgba(8, 21, 26, .18);

  --rail-w: 236px;
  --util-h: 36px;
  --rail-top-h: 56px;
  --tab-h: 62px;

  --font-display: "Arial Narrow", "Helvetica Neue Condensed", "Archivo Narrow",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, "Cascadia Mono",
    "Courier New", monospace;

  --ease: 160ms ease;
  --ease-mid: 220ms ease;
}

/* ---------- 3. 基础排版 ---------- */
body {
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  letter-spacing: .01em;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.01em;
}

.h-hero { font-size: clamp(2.4rem, 7vw, 5rem); }
.h-sec { font-size: clamp(1.5rem, 3vw, 2.25rem); }
.h-sub { font-size: clamp(1.0625rem, 1.8vw, 1.375rem); font-weight: 700; }

.lede {
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  line-height: 1.85;
  color: rgba(243, 246, 245, .82);
  max-width: 38em;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -.01em;
  margin-inline: .14em;
}

.cmd-idx,
.tab-idx,
.foot-head .num { margin-inline: 0; }

.sec-label,
.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sand);
  border: 1px solid rgba(216, 179, 106, .35);
  background: rgba(216, 179, 106, .07);
  padding: 4px 9px;
}

.sec { margin-bottom: clamp(28px, 4vw, 56px); }

.sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 18px;
}

.sec-title { font-size: clamp(1.25rem, 2.2vw, 1.75rem); }

.sec-note {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--mist);
}

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

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

/* ---------- 4. 布局容器 ---------- */
.wrap {
  width: min(1240px, 100% - 2rem);
  margin-inline: auto;
}

#main-content {
  display: block;
  min-height: 50vh;
  padding: clamp(20px, 3vw, 36px) 0 0;
}

.grid12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 22px);
}

.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }

.stack { display: grid; gap: clamp(16px, 2.4vw, 32px); }
.stack--tight { gap: 12px; }

.divider {
  height: 0;
  border: 0;
  border-top: var(--line-soft);
  margin: clamp(20px, 3vw, 40px) 0;
}

.divider--double {
  height: 5px;
  border-top: 1px solid rgba(216, 179, 106, .42);
  border-bottom: 1px solid rgba(216, 179, 106, .42);
}

/* ---------- 5. 组件 ---------- */
.card {
  background: var(--stand);
  border: 1px solid rgba(147, 174, 181, .18);
  padding: clamp(16px, 2vw, 24px);
}

.card--paper { background: var(--paper); color: var(--ink); border-color: rgba(8, 21, 26, .18); }
.card--sand { background: var(--sand-paper); color: var(--ink); border-color: rgba(8, 21, 26, .16); }
.card--stack { box-shadow: 7px 7px 0 rgba(8, 21, 26, .5); }

.plate {
  border-left: 3px solid var(--sand);
  background: rgba(216, 179, 106, .08);
  padding: 12px 15px;
  font-size: .9375rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: 11px 18px;
  font-size: .9375rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.btn--primary { background: var(--flame); color: var(--ink); }
.btn--primary:hover { background: var(--flame-soft); }
.btn--ghost { border-color: rgba(243, 246, 245, .34); color: var(--paper); }
.btn--ghost:hover { border-color: var(--flame); color: var(--flame); }
.btn--light { background: var(--ink); color: var(--paper); }
.btn--light:hover { background: var(--stand); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  padding: 3px 8px;
  border: 1px solid rgba(147, 174, 181, .35);
  color: var(--mist);
}

.chip--sand { border-color: rgba(216, 179, 106, .5); color: var(--sand); }
.chip--flame { border-color: rgba(255, 107, 44, .6); color: var(--flame); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
}

.status--ok { color: var(--mint); }
.status--warn { color: var(--sand); }
.status--bad { color: var(--alert); }

.dot {
  display: inline-block;
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.status--ok .dot { animation: status-pulse 2.4s ease-out 2; }

@keyframes status-pulse {
  0% { box-shadow: 0 0 0 0 rgba(60, 224, 166, .55); }
  70% { box-shadow: 0 0 0 8px rgba(60, 224, 166, 0); }
  100% { box-shadow: 0 0 0 0 rgba(60, 224, 166, 0); }
}

.kv { display: grid; }

.kv-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(147, 174, 181, .24);
  font-size: .875rem;
}

.kv-key { color: var(--mist); }

.kv-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.tbl { width: 100%; font-size: .875rem; }

.tbl th {
  font-family: var(--font-mono);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sand);
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid rgba(216, 179, 106, .35);
}

.tbl td {
  padding: 10px;
  border-bottom: 1px solid rgba(147, 174, 181, .16);
  vertical-align: top;
}

.tbl tbody tr:hover { background: rgba(19, 62, 74, .55); }

.tbl--paper th { color: var(--ink); border-bottom-color: rgba(8, 21, 26, .4); }
.tbl--paper td { color: var(--ink); border-bottom-color: rgba(8, 21, 26, .12); }
.tbl--paper tbody tr:hover { background: rgba(8, 21, 26, .05); }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .55em;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--mist);
  margin-bottom: 18px;
}

.breadcrumbs a:hover { color: var(--flame); }
.breadcrumbs .sep { color: rgba(147, 174, 181, .5); }

.prose { font-size: 1rem; line-height: 1.85; color: rgba(243, 246, 245, .88); }

.prose p { max-width: 38em; margin-bottom: 1.1em; }

.prose h2 {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  margin: 1.7em 0 .6em;
}

.prose h3 { font-size: 1.125rem; margin: 1.4em 0 .5em; }

.prose li {
  position: relative;
  max-width: 38em;
  padding-left: 1.15em;
  margin-bottom: .5em;
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 7px;
  height: 1px;
  background: var(--sand);
}

.prose--paper { color: var(--ink); }
.prose--paper li::before { background: var(--flame); }
.prose a { border-bottom: 1px solid rgba(255, 107, 44, .55); color: var(--flame); }

/* 图片容器基础规则（页面阶段放置图片） */
.img-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--stand);
  border: 1px solid rgba(147, 174, 181, .2);
}

.img-frame > img,
.img-frame > picture > img,
.img-frame > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(243, 246, 245, .05) 0 1px,
    transparent 1px 4px
  );
}

.img-frame--16x9 { aspect-ratio: 16 / 9; }
.img-frame--4x3 { aspect-ratio: 4 / 3; }
.img-frame--1x1 { aspect-ratio: 1 / 1; }
.img-frame--tall { aspect-ratio: 3 / 4; }

.img-caption {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--mist);
  margin-top: 8px;
}

/* ---------- 6. 滚动显现 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 320ms ease, transform 320ms ease;
  transition-delay: var(--rv-delay, 0ms);
}

html.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 7. 头部：顶部细条 ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--flame);
  color: var(--ink);
  font-weight: 700;
  transition: top var(--ease);
}

.skip-link:focus { top: 8px; }

.util-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 70;
  height: var(--util-h);
  background: var(--ink);
  border-bottom: 1px solid rgba(216, 179, 106, .3);
}

.util-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 18px;
}

.util-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--sand);
  white-space: nowrap;
}

.util-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  color: var(--mint);
  white-space: nowrap;
}

.util-status[data-loan-status="pending"] { color: var(--sand); }

.util-search {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--paper);
  border-bottom: 1px solid rgba(255, 107, 44, .6);
  padding-bottom: 2px;
  white-space: nowrap;
  transition: color var(--ease);
}

.util-search:hover { color: var(--flame); }

.scroll-meter {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: var(--flame);
}

/* ---------- 8. 头部：左侧命令栏 ---------- */
.rail {
  position: fixed;
  top: var(--util-h);
  left: 0;
  bottom: 0;
  width: var(--rail-w);
  z-index: 65;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 24px 16px 18px;
  background: var(--night);
  border-right: 1px solid rgba(216, 179, 106, .22);
  overflow-y: auto;
}

.rail-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.1;
  color: var(--paper);
  transition: color var(--ease);
}

.brand:hover .brand-mark { color: var(--flame); }

.brand-sub {
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .14em;
  color: var(--mist);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(147, 174, 181, .4);
  color: var(--paper);
  transition: color var(--ease), border-color var(--ease);
}

.nav-toggle:hover { color: var(--flame); border-color: var(--flame); }

.nav-toggle-text {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
}

.nav-toggle-bars {
  position: relative;
  flex: none;
  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: 8px; }

.site-header[data-open] .nav-toggle-bars::before { top: 4px; transform: rotate(45deg); }
.site-header[data-open] .nav-toggle-bars::after { top: 4px; transform: rotate(-45deg); }

.cmd-nav { display: block; }

.cmd-list { display: grid; gap: 2px; }

.cmd-item { display: block; }

.cmd-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid rgba(147, 174, 181, .18);
  color: var(--mist);
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}

.cmd-link:hover { color: var(--paper); background: rgba(19, 62, 74, .7); }

.cmd-link:focus-visible { outline: 2px solid var(--flame); outline-offset: -2px; }

.cmd-link[aria-current="page"] {
  color: var(--paper);
  background: var(--stand);
  border-left-color: var(--flame);
}

.cmd-idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--sand);
}

.cmd-link[aria-current="page"] .cmd-idx { color: var(--flame); }

.cmd-label {
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .01em;
}

.cmd-link[data-kbd-hint]::after {
  content: "ENTER";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .1em;
  color: var(--flame);
}

.rail-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: var(--line-soft);
  display: grid;
  gap: 6px;
}

.rail-foot-item {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 9. 头部：小屏底部标签 ---------- */
.tabbar { display: none; }

/* ---------- 10. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--ink);
  border-top: 1px solid rgba(216, 179, 106, .3);
  color: rgba(243, 246, 245, .86);
}

.foot-wrap { padding: clamp(28px, 4vw, 52px) 0 26px; }

.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, minmax(0, 1fr));
  gap: 26px 22px;
  align-items: start;
}

.foot-col { min-width: 0; }

.foot-col--brand {
  border-left: 3px solid var(--flame);
  padding-left: 14px;
}

.foot-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--paper);
}

.foot-brand-sub {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--sand);
}

.foot-note {
  margin-top: 12px;
  max-width: 26em;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--mist);
}

.foot-link {
  color: rgba(243, 246, 245, .86);
  border-bottom: 1px solid rgba(147, 174, 181, .4);
  transition: color var(--ease), border-color var(--ease);
}

.foot-link:hover { color: var(--flame); border-bottom-color: var(--flame); }

.foot-link--cta {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--flame);
  border-bottom: 1px solid rgba(255, 107, 44, .5);
}

.foot-head {
  padding-bottom: 9px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(216, 179, 106, .28);
  font-family: var(--font-mono);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sand);
}

.foot-list { display: grid; gap: 9px; }

.foot-item {
  font-size: .8125rem;
  line-height: 1.7;
  color: rgba(243, 246, 245, .78);
}

.foot-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin-top: 32px;
  padding-top: 16px;
  border-top: var(--line-soft);
}

.foot-copy {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.foot-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.foot-legal-links li { font-size: .8125rem; }

.foot-contact-note {
  margin-top: 14px;
  max-width: 62em;
  font-size: .75rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 11. 断点 ---------- */
@media (min-width: 1024px) {
  body {
    padding-top: var(--util-h);
    padding-left: var(--rail-w);
  }
}

@media (max-width: 1023px) {
  :root { --util-h: 32px; }

  body {
    padding-top: calc(var(--util-h) + var(--rail-top-h));
    padding-bottom: calc(var(--tab-h) + env(safe-area-inset-bottom, 0px));
  }

  .util-bar { z-index: 72; }
  .util-tag { display: none; }
  .util-inner { gap: 10px; padding: 0 14px; }

  .rail {
    top: var(--util-h);
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: var(--rail-top-h);
    z-index: 68;
    flex-direction: row;
    align-items: center;
    gap: 0;
    padding: 0 14px;
    border-right: 0;
    border-bottom: 1px solid rgba(216, 179, 106, .22);
    overflow: visible;
  }

  .rail-top { flex: 1; width: 100%; }
  .brand-sub { display: none; }
  .brand-mark { font-size: 1.25rem; }
  .nav-toggle { display: inline-flex; }

  .cmd-nav {
    position: fixed;
    top: calc(var(--util-h) + var(--rail-top-h));
    left: 0;
    right: 0;
    bottom: calc(var(--tab-h) + env(safe-area-inset-bottom, 0px));
    z-index: 66;
    background: var(--night);
    border-top: 1px solid rgba(216, 179, 106, .22);
    padding: 14px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--ease-mid), transform var(--ease-mid), visibility var(--ease-mid);
  }

  .site-header[data-open] .cmd-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .cmd-list { gap: 0; }

  .cmd-link {
    padding: 14px 12px;
    border-left: 0;
    border-bottom: 1px solid rgba(147, 174, 181, .16);
  }

  .cmd-link[aria-current="page"] {
    background: rgba(19, 62, 74, .85);
    border-left: 0;
    border-bottom-color: var(--flame);
  }

  .rail-foot { display: none; }

  .tabbar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 72;
    background: var(--ink);
    border-top: 1px solid rgba(216, 179, 106, .3);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    height: var(--tab-h);
    font-size: .75rem;
    font-weight: 600;
    color: var(--mist);
    transition: color var(--ease), background var(--ease);
  }

  .tab-idx {
    font-family: var(--font-mono);
    font-size: .5625rem;
    letter-spacing: .1em;
    color: var(--sand);
  }

  .tab[aria-current="page"] { color: var(--flame); background: rgba(19, 62, 74, .6); }
  .tab[aria-current="page"] .tab-idx { color: var(--flame); }

  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .grid12 { grid-template-columns: minmax(0, 1fr); }
  .col-4, .col-6, .col-8 { grid-column: auto; }
}

@media (max-width: 560px) {
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .foot-col--brand { padding-left: 12px; }
  .wrap { width: min(1240px, 100% - 1.5rem); }
}

/* ---------- 12. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  html { scroll-behavior: auto; }

  html.js [data-reveal],
  html.js [data-reveal].is-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .status--ok .dot { animation: none; }
}