/* ==========================================================
   安博体育 · 共享样式表  /assets/site.css
   墨夜底 / 战术板绿 / 荧光青 / 爆点橙红
   ========================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  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 { list-style: none; padding: 0; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #08130F;
  --ink-2: #0F241C;
  --board: #16332A;
  --teal: #35E0BE;
  --mist: #9BE7D6;
  --flare: #FF6A32;
  --flare-deep: #B93F14;
  --chalk: #E9F2ED;
  --mute: #93A8A1;
  --line: #24382F;

  --bar-h: 56px;
  --rail-w: 232px;
  --maxw: 1200px;
  --gut: clamp(16px, 3vw, 32px);

  --font-display: "Barlow Condensed", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-num: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur: 180ms;
  --dur-slow: 260ms;
  --progress: 0;
}

/* ---------- 3. Base ---------- */
body {
  margin: 0;
  padding-top: var(--bar-h);
  background-color: var(--ink);
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.28;
}

body.nav-locked { overflow: hidden; }

main, .site-main { position: relative; z-index: 1; display: block; }
#main-content { outline: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

h1 { font-size: clamp(30px, 5.2vw, 44px); }
h2 { font-size: clamp(22px, 3.4vw, 28px); }
h3 { font-size: 20px; }

.mono, [data-num] {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 2px;
}

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

/* ---------- 4. Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.section { position: relative; padding-block: clamp(36px, 6vw, 72px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 20px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--chalk);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  color: #06231B;
  background: var(--teal);
  border-color: var(--teal);
  font-weight: 700;
}
.btn-primary:hover { background: var(--mist); border-color: var(--mist); }
.btn-primary:active { background: var(--teal); border-color: var(--teal); }

.btn-ghost {
  color: var(--mist);
  border-color: rgba(155, 231, 214, 0.34);
}
.btn-ghost:hover {
  color: var(--chalk);
  border-color: var(--mist);
  background: rgba(53, 224, 190, 0.08);
}

.btn-sm { padding: 7px 12px; font-size: 13px; }

/* ---------- 6. Header / 边框 ---------- */
.site-header { position: relative; z-index: 120; }

.skip-link {
  position: fixed;
  top: -100px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #06231B;
  background: var(--teal);
  border-radius: 2px;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 12px; }

.ticker-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 14px;
  height: var(--bar-h);
  padding: 0 var(--gut);
  background: rgba(15, 36, 28, 0.95);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur-slow) var(--ease), background-color var(--dur-slow) var(--ease);
}

.site-header[data-scrolled] .ticker-bar {
  background: rgba(8, 19, 15, 0.98);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.5);
}
.site-header[data-scrolled] .ticker-season {
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}

.ticker-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
  color: #06231B;
  background: var(--teal);
  border-radius: 2px;
  box-shadow: 2px 2px 0 rgba(8, 19, 15, 0.75);
}
.brand-mark--lg { width: 40px; height: 40px; font-size: 22px; }

.brand-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--chalk);
  white-space: nowrap;
}

.ticker-season {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
  white-space: nowrap;
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.ticker-season .mono { color: var(--teal); font-weight: 700; }

.live-dot {
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--flare);
  border-radius: 1px;
}

.ticker-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

@media (max-width: 719px) {
  .ticker-season { display: none; }
}

@media (min-width: 1024px) {
  .ticker-bar { padding-left: 0; }
  .ticker-brand {
    width: var(--rail-w);
    height: 100%;
    padding-left: var(--gut);
    border-right: 1px solid var(--line);
  }
}

/* ---------- 7. 左侧赛季轨道 ---------- */
.site-nav {
  position: relative;
  margin-top: 0;
  padding: 20px 0 24px;
  background: linear-gradient(180deg, var(--ink-2) 0%, #0A1A14 60%, var(--ink) 100%);
  border-bottom: 1px solid var(--line);
}

.nav-label {
  padding: 0 20px 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.nav-list { display: flex; flex-direction: column; }

.nav-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 20px 12px 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--mist);
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.nav-list li + li .nav-link { border-top: 1px solid rgba(36, 56, 47, 0.7); }

.nav-link:hover {
  color: var(--chalk);
  background: rgba(53, 224, 190, 0.07);
  padding-left: 26px;
}

.nav-link[aria-current="page"] {
  color: var(--teal);
  border-left-color: var(--teal);
  background: linear-gradient(90deg, rgba(53, 224, 190, 0.16), rgba(53, 224, 190, 0) 82%);
}

.nav-index {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute);
}
.nav-link[aria-current="page"] .nav-index { color: var(--teal); }

.nav-foot {
  margin-top: 24px;
  padding: 20px;
  border-top: 1px solid var(--line);
}
.nav-foot-stat {
  display: block;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--teal);
}
.nav-foot-line {
  margin-top: 6px;
  font-size: 13px;
  color: var(--chalk);
  letter-spacing: 0.04em;
}
.nav-foot-note {
  margin-top: 8px;
  font-size: 11px;
  line-height: 1.6;
  color: var(--mute);
}

/* 移动抽屉（有脚本时启用） */
html.js .site-nav {
  position: fixed;
  top: var(--bar-h);
  left: 0;
  bottom: 0;
  z-index: 110;
  width: min(300px, 84vw);
  margin-top: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  border-bottom: 0;
  box-shadow: 18px 0 40px rgba(0, 0, 0, 0.55);
  transform: translateX(-102%);
  transition: transform var(--dur-slow) var(--ease);
}
html.js .site-nav .nav-foot { margin-top: auto; }
html.js .site-nav[data-open] { transform: translateX(0); }

@media (min-width: 1024px) {
  html .site-nav,
  html.js .site-nav {
    position: fixed;
    top: var(--bar-h);
    left: 0;
    bottom: 0;
    width: var(--rail-w);
    margin-top: 0;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    box-shadow: none;
    transform: none;
    transition: none;
  }
  html .site-nav .nav-foot { margin-top: auto; }
}

/* 导航开关 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--chalk);
  background: rgba(22, 51, 42, 0.72);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.nav-toggle:hover { color: var(--teal); border-color: var(--mist); }

.nav-toggle-icon {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
  flex: none;
}
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  transition: top var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.nav-toggle-icon::before { top: 0; }
.nav-toggle-icon::after { top: 8px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after { top: 4px; transform: rotate(-45deg); }

html:not(.js) .nav-toggle { display: none; }

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
}

/* ---------- 8. 滚动进度 ---------- */
.scroll-meter {
  position: fixed;
  top: calc(var(--bar-h) - 2px);
  left: 0;
  right: 0;
  z-index: 130;
  height: 2px;
  background: rgba(36, 56, 47, 0.85);
  pointer-events: none;
}
.scroll-meter span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(var(--progress, 0));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--teal), var(--mist));
}

@media (min-width: 1024px) {
  .scroll-meter {
    top: 0;
    bottom: 0;
    right: auto;
    width: 2px;
    height: auto;
    background: rgba(36, 56, 47, 0.6);
  }
  .scroll-meter span {
    width: 100%;
    height: 100%;
    transform: scaleY(var(--progress, 0));
    transform-origin: 50% 0;
    background: linear-gradient(180deg, var(--teal) 0%, var(--mist) 55%, var(--flare) 100%);
  }
}

/* ---------- 9. 卡片 / 标签 / 数据 ---------- */
.card {
  position: relative;
  padding: 20px;
  background: var(--board);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: 6px 6px 0 rgba(8, 19, 15, 0.55);
}
.card--flat { box-shadow: none; }
.card--accent { border-left: 2px solid var(--teal); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  border: 1px solid rgba(155, 231, 214, 0.4);
  border-radius: 1px;
}
.tag--flare {
  color: var(--flare);
  border-color: rgba(255, 106, 50, 0.55);
  background: rgba(255, 106, 50, 0.08);
}

.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: var(--font-num);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--chalk);
  font-variant-numeric: tabular-nums lining-nums;
}
.stat-value--flare { color: var(--flare); }
.stat-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute);
}
.stat-note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute);
}

.data-band {
  margin-inline: calc(var(--gut) * -1);
  padding: clamp(20px, 3.4vw, 34px) var(--gut);
  background: var(--ink-2);
  border-block: 1px solid var(--line);
}

/* ---------- 10. 图像容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--board) 0%, var(--ink-2) 100%);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(53, 224, 190, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 224, 190, 0.14) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--diag {
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  border: 0;
}

.img-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mute);
}

/* ---------- 11. 面包屑 / 正文 ---------- */
.breadcrumb { margin-top: 22px; }
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--mute);
}
.breadcrumb-list li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb-list li + li::before { content: "/"; color: var(--line); }
.breadcrumb-list a { color: var(--mist); }
.breadcrumb-list a:hover { color: var(--teal); text-decoration: underline; }
.breadcrumb-list [aria-current="page"] { color: var(--chalk); }

.prose { max-width: 38em; font-size: 17px; line-height: 1.75; color: var(--chalk); }
.prose > * + * { margin-top: 1em; }
.prose h2,
.prose h3 { margin-top: 1.6em; margin-bottom: 0.5em; }
.prose a { color: var(--teal); border-bottom: 1px solid rgba(53, 224, 190, 0.45); }
.prose a:hover { border-bottom-color: var(--teal); }
.prose strong { font-weight: 600; color: var(--chalk); }
.prose ul { display: flex; flex-direction: column; gap: 10px; margin-top: 1em; }
.prose ul li { position: relative; padding-left: 18px; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 1px;
}
.prose .mono { color: var(--mist); }

/* ---------- 12. 筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  margin-bottom: 24px;
  background: rgba(22, 51, 42, 0.55);
  border: 1px dashed var(--line);
  border-radius: 2px;
}

.filter-btn {
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.filter-btn:hover { color: var(--chalk); border-color: var(--mist); transform: translateY(-1px); }
.filter-btn[aria-pressed="true"] {
  color: #06231B;
  background: var(--teal);
  border-color: var(--teal);
}
.filter-btn[aria-pressed="true"]:hover { color: #06231B; }

.is-filtered { display: none !important; }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.is-shown { animation: cardIn var(--dur-slow) var(--ease) both; }

.empty-state {
  padding: 28px 20px;
  font-size: 14px;
  text-align: center;
  color: var(--mute);
  border: 1px dashed var(--line);
  border-radius: 2px;
}

/* ---------- 13. 显现动效钩子 ---------- */
html.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
html.js-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 2;
  margin-top: clamp(48px, 7vw, 96px);
  padding: clamp(36px, 5vw, 56px) var(--gut) 24px;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-top: 1px solid var(--line);
}

.footer-inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 28px; }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
}

.footer-brand { display: flex; flex-direction: column; gap: 14px; }

.footer-brand-id {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  align-self: flex-start;
}
.footer-brand-id .brand-name { font-size: 24px; letter-spacing: 0.06em; }

.footer-brand-line {
  max-width: 24em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-col-title {
  margin-bottom: 14px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  display: inline-block;
  font-size: 14px;
  color: var(--mist);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.footer-links a:hover { color: var(--teal); transform: translateX(3px); }

.footer-contact {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.footer-contact-line {
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.9;
  color: var(--chalk);
  word-break: break-word;
}
.footer-note {
  max-width: 54em;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--mute);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--mute);
}
.footer-copy { color: var(--mute); }
.footer-icp { color: var(--mute); letter-spacing: 0.04em; }

/* ---------- 15. 响应式与动效偏好 ---------- */
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
}

@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;
  }
  html.js-reveal [data-reveal] { opacity: 1; transform: none; }
  .is-shown { animation: none; }
  .scroll-meter span { transition: none; }
}