/* ============================================================
   云开版本 — 共享外壳样式 /assets/site.css
   ============================================================ */

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

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

body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }

ul, ol { padding: 0; list-style: none; }

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

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

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

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

:focus-visible { outline: 3px solid #C9FF3D; outline-offset: 2px; }

::selection { background: #C9FF3D; color: #050F0C; }

/* ---------- design tokens ---------- */
:root {
  --ink-green: #0A241C;
  --midnight: #111D33;
  --paper: #F2EEE3;
  --deep-ink: #050F0C;
  --signal: #C9FF3D;
  --stoppage: #FF8A2B;
  --card-red: #E0342A;
  --pitch: #1E5B45;
  --mist: #93A7BA;
  --paper-ink: #16221D;
  --stand: #DCE3DC;

  --edge: rgba(220, 227, 220, 0.18);
  --edge-soft: rgba(220, 227, 220, 0.10);

  --font-display: "Barlow Condensed", "Archivo", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;

  --hard-shadow: 6px 6px 0 var(--deep-ink);
  --hard-shadow-sm: 4px 4px 0 var(--deep-ink);
  --wrap: min(1240px, 92vw);
}

/* ---------- base typography ---------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--stand);
  background-color: var(--ink-green);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

h1 { font-size: clamp(36px, 6vw, 56px); }
h2 { font-size: clamp(26px, 3.6vw, 40px); }
h3 { font-size: clamp(20px, 2.4vw, 28px); }
h4 { font-size: 20px; }

p { overflow-wrap: break-word; }

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

/* ---------- layout helpers ---------- */
.wrap { width: var(--wrap); margin-inline: auto; }

.grid { display: grid; gap: clamp(16px, 2.4vw, 30px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--mist);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 18px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--edge);
}

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  top: -120px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--signal);
  color: var(--deep-ink);
  font-weight: 700;
  font-family: var(--font-body);
  transition: top 0.18s ease;
}
.skip-link:focus { top: 12px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--ink-green);
  border-bottom: 2px solid var(--deep-ink);
}

.masthead { background: var(--ink-green); }

.masthead__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  width: var(--wrap);
  margin-inline: auto;
  padding: 18px 0 14px;
}

/* 联赛切换器 */
.league-switch {
  justify-self: start;
  display: inline-flex;
  background: var(--midnight);
  border: 2px solid var(--deep-ink);
  box-shadow: var(--hard-shadow-sm);
}

.league-switch__btn {
  padding: 8px 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  border-right: 2px solid var(--deep-ink);
  transition: background 0.18s ease, color 0.18s ease;
}
.league-switch__btn:last-child { border-right: 0; }
.league-switch__btn:hover { color: var(--stand); background: rgba(201, 255, 61, 0.08); }
.league-switch__btn.is-active {
  background: var(--signal);
  color: var(--deep-ink);
  font-weight: 700;
}
.league-switch__btn.is-active:hover { background: var(--signal); color: var(--deep-ink); }

/* 品牌刊头 */
.brand {
  justify-self: center;
  display: block;
  text-align: center;
  padding: 2px 10px;
}

.brand__mark {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--paper);
  position: relative;
  padding-bottom: 12px;
}
.brand__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--signal);
}

.brand__sub {
  display: block;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--mist);
}

/* 右侧工具区 */
.masthead__tools {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-link {
  display: inline-block;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stand);
  border: 1px solid var(--edge);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.tool-link:hover {
  color: var(--signal);
  border-color: var(--signal);
  background: rgba(201, 255, 61, 0.06);
}

/* 移动端导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stand);
  border: 2px solid var(--stand);
  transition: color 0.18s ease, border-color 0.18s ease;
}
.nav-toggle:hover { color: var(--signal); border-color: var(--signal); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

/* 主导航 */
.site-nav {
  display: block;
  background: var(--ink-green);
  border-top: 1px solid var(--edge);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: var(--wrap);
  margin-inline: auto;
}

.site-nav__list li + li { border-left: 1px solid var(--edge); }

.site-nav__list a {
  position: relative;
  display: block;
  padding: 11px 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--stand);
  transition: color 0.18s ease, background 0.18s ease;
}
.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 6px;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s ease;
}
.site-nav__list a:hover { color: var(--signal); }
.site-nav__list a:hover::after { transform: scaleX(1); }
.site-nav__list a[aria-current="page"] { color: var(--signal); }
.site-nav__list a[aria-current="page"]::after { transform: scaleX(1); }

/* 38 轮刻度尺 */
.round-scale {
  position: relative;
  height: 30px;
  background: var(--deep-ink);
  border-top: 1px solid rgba(201, 255, 61, 0.18);
  overflow: hidden;
}

.round-scale__ticks {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(220, 227, 220, 0.42) 0 1px,
    transparent 1px 2.63158%
  );
}
.round-scale__ticks::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: rgba(220, 227, 220, 0.22);
}

.round-scale__cursor {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--signal);
  box-shadow: 0 0 12px rgba(201, 255, 61, 0.9);
  transition: left 0.35s cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  margin-top: clamp(56px, 8vw, 120px);
  background: var(--deep-ink);
  color: var(--stand);
  border-top: 3px solid var(--pitch);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 40px 28px;
  width: var(--wrap);
  margin-inline: auto;
  padding: 64px 0 44px;
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--signal);
  text-transform: uppercase;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--edge-soft);
}

.footer-col__list li + li { margin-top: 9px; }

.footer-col__list a {
  font-size: 14px;
  color: var(--stand);
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.footer-col__list a:hover { color: var(--signal); border-color: var(--signal); }

.footer-brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--paper);
  margin-bottom: 14px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--stand);
}
.footer-contact li + li { margin-top: 10px; }

.footer-contact__k {
  flex: 0 0 auto;
  min-width: 34px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.footer-contact__v { flex: 1 1 auto; word-break: break-word; }

.footer-icp {
  display: inline-block;
  margin-top: 18px;
  padding: 4px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--deep-ink);
  background: var(--stand);
}

/* 90 分钟刻度线 */
.minute-ruler {
  position: relative;
  width: var(--wrap);
  margin: 0 auto;
  height: 48px;
  border-top: 1px solid rgba(220, 227, 220, 0.22);
}

.minute-ruler__ticks {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 14px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(220, 227, 220, 0.45) 0 1px,
    transparent 1px 5.5556%
  );
}

.minute-ruler__labels {
  position: absolute;
  top: 19px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.footer-note {
  width: var(--wrap);
  margin: 12px auto 0;
  text-align: right;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px 24px;
  width: var(--wrap);
  margin: 26px auto 0;
  padding: 20px 0 34px;
  border-top: 1px solid var(--edge-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ============================================================
   SHARED COMPONENTS
   ============================================================ */
.panel {
  background: var(--paper);
  color: var(--paper-ink);
  border: 2px solid var(--deep-ink);
  box-shadow: var(--hard-shadow);
  padding: clamp(20px, 3vw, 34px);
}
.panel h1, .panel h2, .panel h3, .panel h4 { color: var(--paper-ink); }
.panel a {
  color: var(--pitch);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}
.panel a:hover { color: var(--deep-ink); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  background: var(--paper);
  color: var(--paper-ink);
  border: 2px solid var(--deep-ink);
  box-shadow: var(--hard-shadow-sm);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, color 0.16s ease;
  cursor: pointer;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--deep-ink); }
.btn:active { transform: translate(0, 0); box-shadow: 2px 2px 0 var(--deep-ink); }

.btn--signal { background: var(--signal); color: var(--deep-ink); }

.btn--ghost {
  background: transparent;
  color: var(--stand);
  border-color: var(--stand);
  box-shadow: 4px 4px 0 rgba(220, 227, 220, 0.25);
}
.btn--ghost:hover { box-shadow: 6px 6px 0 rgba(220, 227, 220, 0.35); color: var(--signal); border-color: var(--signal); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.tag--signal { color: var(--signal); }
.tag--stoppage { color: var(--stoppage); }
.tag--card { color: var(--card-red); }
.tag--pitch { color: var(--pitch); }

.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; }
.breadcrumb li {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.breadcrumb li + li::before {
  content: "/";
  margin: 0 10px;
  color: rgba(147, 167, 186, 0.5);
}
.breadcrumb a { color: var(--mist); transition: color 0.18s ease; }
.breadcrumb a:hover { color: var(--signal); }
.breadcrumb [aria-current="page"] { color: var(--stand); }

.prose { max-width: 38em; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 1.9em; }
.prose h3 { margin-top: 1.5em; }
.prose ul, .prose ol { padding-left: 1.2em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.4em; }
.prose strong { color: var(--paper); font-weight: 700; }

/* 图片容器基础规则（页面阶段放置 <img> 于 .figure__media 内） */
.figure {
  margin: 0;
  background: var(--midnight);
  border: 2px solid var(--deep-ink);
  box-shadow: var(--hard-shadow);
  overflow: hidden;
}
.figure__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background-image: linear-gradient(135deg, var(--midnight) 0%, var(--ink-green) 100%);
  overflow: hidden;
}
.figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(180deg, rgba(201, 255, 61, 0.07) 0%, rgba(5, 15, 12, 0.52) 100%);
}
.figure__cap {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  border-top: 1px solid var(--edge);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) and (min-width: 901px) {
  .site-nav__list a { padding: 11px 14px; font-size: 14px; }
  .site-nav__list a::after { left: 14px; right: 14px; }
}

@media (max-width: 900px) {
  .masthead__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px 12px;
    padding: 14px 0 12px;
  }

  .brand { order: -1; flex: 1 1 100%; padding: 0 0 4px; }
  .brand__sub { letter-spacing: 0.16em; }

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

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

  .site-nav__list {
    flex-direction: column;
    width: var(--wrap);
    padding: 4px 0 10px;
  }
  .site-nav__list li + li { border-left: 0; border-top: 1px solid var(--edge); }
  .site-nav__list a { padding: 14px 4px; }
  .site-nav__list a::after { left: 4px; right: 4px; bottom: 8px; }

  .round-scale { height: 24px; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 48px 0 36px; }
  .footer-note { text-align: left; }
}

@media (max-width: 620px) {
  .masthead__tools { gap: 8px; }
  .tool-link { padding: 7px 10px; font-size: 11px; letter-spacing: 0.1em; }
  .league-switch__btn { padding: 7px 12px; font-size: 11px; }

  .grid--2, .grid--3 { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 42px 0 30px; }
  .minute-ruler { height: 42px; }
  .minute-ruler__labels { font-size: 10px; }
  .footer-base { flex-direction: column; align-items: flex-start; padding-bottom: 28px; }
}

/* ---------- reduced motion ---------- */
@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;
  }
}