/* ==========================================================================
   博喜体育赛场 — 全站共享样式 /assets/site.css
   夜山深墨绿打底，奶油纸托字，熔岩橙与电子青作状态点色。
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --ink:        #0B1F1A;
  --ink-2:      #12332B;
  --ink-3:      #16382F;
  --paper:      #F4EDE1;
  --paper-2:    #E7DCC8;
  --brown:      #1A1512;
  --lava:       #FF7A2F;
  --lava-deep:  #C24A12;
  --cyan:       #3FE0D0;
  --mist:       #8FA8A1;
  --sand:       #E8C170;
  --rust:       #5A2E1B;

  --line:       rgba(143, 168, 161, 0.26);
  --line-soft:  rgba(143, 168, 161, 0.14);
  --line-paper: rgba(26, 21, 18, 0.18);

  --font-display: 'Barlow Semi Condensed', 'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-body:    'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono:    'JetBrains Mono', 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --shell-max: 1440px;
  --gutter: clamp(16px, 4vw, 40px);
  --gap-s: 8px;
  --gap-m: 16px;
  --gap-l: 32px;

  --dur: 180ms;
  --dur-split: 320ms;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- 2. Reset 与基础 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

button { font: inherit; color: inherit; }

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

p { margin: 0; }

[hidden] { display: none !important; }

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

#main-content { scroll-margin-top: 104px; }

/* ---------- 3. 中文排版 ---------- */
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.14;
  color: var(--paper);
}

h1 { font-size: clamp(2.4rem, 5.2vw, 4.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }

.num,
.score-line,
.timeline-date {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ---------- 4. 布局工具 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.split {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(20px, 3vw, 48px);
  align-items: start;
}

.split--flip { grid-template-columns: 7fr 5fr; }
.split--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid {
  display: grid;
  gap: clamp(12px, 1.6vw, 20px);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.page-shell {
  display: block;
  padding-block: clamp(32px, 5vw, 64px);
}

/* ---------- 5. 面板 ---------- */
.panel {
  background-color: var(--ink-2);
  border: 1px solid var(--line);
  padding: clamp(20px, 2.4vw, 32px);
}

.panel--flush { padding: 0; }

.panel--paper {
  background-color: var(--paper);
  border-color: var(--line-paper);
  color: var(--brown);
}

.panel--paper h1,
.panel--paper h2,
.panel--paper h3,
.panel--paper h4 { color: var(--brown); }

.panel--paper p { color: rgba(26, 21, 18, 0.84); }

.panel--paper a {
  color: var(--lava-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.panel--paper a:hover { color: var(--brown); }

.panel--paper .rule { border-top-color: var(--line-paper); }

/* ---------- 6. 分隔线与标签 ---------- */
.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

.rule--dark { border-top-color: var(--line-paper); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--mist);
  line-height: 1.6;
}

.eyebrow--accent { color: var(--lava); }
.eyebrow--sand { color: var(--sand); }

.eyebrow--vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.24em;
  padding-block: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding-inline: 8px;
  border: 1px solid currentColor;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
  white-space: nowrap;
}

.tag--live { color: var(--cyan); }
.tag--upcoming { color: var(--lava); }
.tag--final { color: var(--mist); }
.tag--sand { color: var(--sand); }

/* ---------- 7. 卡片 ---------- */
.card {
  background-color: var(--ink-2);
  border: 1px solid var(--line);
  padding: 16px 18px;
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.card:hover,
.card:focus-within {
  transform: translateY(-2px);
  border-color: var(--lava-deep);
  background-color: var(--ink-3);
}

.card--score {
  display: grid;
  gap: 10px;
  border-left: 3px solid var(--mist);
}

.card--score[data-state="live"] { border-left-color: var(--cyan); }
.card--score[data-state="upcoming"] { border-left-color: var(--lava); }
.card--score[data-state="final"] { border-left-color: var(--mist); }

.card--list {
  display: grid;
  gap: 8px;
  border-left: 2px solid var(--lava);
  background-color: transparent;
}

.card--list:hover { background-color: var(--ink-2); }

.card--export {
  display: grid;
  gap: 12px;
  border: 1px solid var(--cyan);
  background-color: rgba(63, 224, 208, 0.05);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.card-meta {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.score-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.08;
  color: var(--paper);
}

.score-line .score-sep {
  font-weight: 400;
  color: var(--mist);
}

.card--score[data-state="live"] .score-line { color: var(--cyan); }
.card--score[data-state="upcoming"] .score-line { color: var(--lava); }

/* ---------- 8. 按钮与筛选标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding-inline: 22px;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.btn--primary {
  background-color: var(--lava);
  border-color: var(--lava);
  color: var(--brown);
}

.btn--primary:hover {
  background-color: var(--lava-deep);
  border-color: var(--lava-deep);
  color: var(--paper);
}

.btn--ghost {
  background-color: transparent;
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--ghost:hover {
  background-color: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.btn--paper {
  background-color: transparent;
  border-color: var(--brown);
  color: var(--brown);
}

.btn--paper:hover {
  background-color: var(--brown);
  border-color: var(--brown);
  color: var(--paper);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding-inline: 12px;
  background-color: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.chip:hover {
  border-color: var(--paper);
  color: var(--paper);
}

.chip[aria-pressed="true"] {
  background-color: var(--lava);
  border-color: var(--lava);
  color: var(--brown);
  font-weight: 700;
}

.chip-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.filter-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 9. 时间轴 ---------- */
.timeline {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--mist) transparent;
  background-color: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.timeline::-webkit-scrollbar { height: 6px; }
.timeline::-webkit-scrollbar-thumb { background-color: var(--mist); }
.timeline:focus-visible { outline-offset: -2px; }

.timeline-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: grid;
  gap: 4px;
  min-width: 104px;
  padding: 14px 16px;
  border-right: 1px solid var(--line-soft);
  color: var(--mist);
  text-decoration: none;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.timeline-item:hover {
  background-color: var(--ink-3);
  color: var(--paper);
}

.timeline-item[aria-current="true"] {
  background-color: var(--lava);
  color: var(--brown);
}

.timeline-date { font-size: 15px; }

.timeline-label {
  font-size: 12px;
  letter-spacing: 0.12em;
}

/* ---------- 10. 面包屑与正文 ---------- */
.breadcrumb {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(143, 168, 161, 0.5);
}

.breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--cyan); }

.breadcrumb [aria-current="page"] { color: var(--paper); }

.panel--paper .breadcrumb { color: rgba(26, 21, 18, 0.6); }
.panel--paper .breadcrumb a { color: rgba(26, 21, 18, 0.6); }
.panel--paper .breadcrumb a:hover { color: var(--brown); }
.panel--paper .breadcrumb [aria-current="page"] { color: var(--brown); }

.prose {
  max-width: 42em;
  font-size: 17px;
  line-height: 1.85;
}

.prose > * + * { margin-top: 1.1em; }

.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }

.prose ul,
.prose ol {
  padding-left: 1.2em;
  list-style: disc;
}

.prose li + li { margin-top: 0.4em; }

/* ---------- 11. 媒体容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--ink-2);
  border: 1px solid var(--line);
}

.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(to right, rgba(63, 224, 208, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(63, 224, 208, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  max-width: 100%;
  padding: 8px 12px;
  background-color: rgba(11, 31, 26, 0.88);
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 12. 头部 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -120px;
  z-index: 100;
  padding: 10px 16px;
  background-color: var(--lava);
  color: var(--brown);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: top var(--dur) var(--ease);
}

.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background-color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.header-brand-layer {
  background-color: var(--ink);
  padding-block: 16px;
  transition: padding var(--dur-split) var(--ease);
}

.site-header[data-scrolled="true"] .header-brand-layer { padding-block: 6px; }

.brand-row {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background-color: var(--lava);
  color: var(--brown);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-tagline {
  color: var(--mist);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: opacity var(--dur) var(--ease);
}

.site-header[data-scrolled="true"] .brand-tagline { opacity: 0; }

.header-meta {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.header-icp { white-space: nowrap; }

.header-link {
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(63, 224, 208, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.header-link:hover {
  color: var(--paper);
  border-bottom-color: var(--lava);
}

.header-nav-layer {
  background-color: var(--ink-2);
  border-top: 1px solid var(--line-soft);
}

.nav-row {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 56px;
}

.primary-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(4px, 1.4vw, 18px);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 56px;
  padding-inline: 4px;
  color: rgba(244, 237, 225, 0.78);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 0;
  height: 2px;
  background-color: var(--lava);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.nav-link:hover { color: var(--paper); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--paper); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.nav-aside {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.nav-note {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
  white-space: nowrap;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding-inline: 18px;
  background-color: var(--lava);
  border: 1px solid var(--lava);
  color: var(--brown);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.nav-cta:hover {
  background-color: var(--lava-deep);
  border-color: var(--lava-deep);
  color: var(--paper);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  min-height: 48px;
  padding-inline: 18px;
  background-color: var(--lava);
  border: 1px solid var(--lava-deep);
  color: var(--brown);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.nav-toggle-icon {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background-color: currentColor;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background-color: currentColor;
}

.nav-toggle-icon::before { top: -5px; }
.nav-toggle-icon::after { top: 5px; }

.nav-toggle-text { line-height: 1; }

/* ---------- 13. 页脚 ---------- */
.site-footer {
  background-color: var(--ink);
  border-top: 1px solid var(--line);
  padding-block: clamp(40px, 6vw, 72px) 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.6fr) repeat(4, minmax(130px, 1fr));
  gap: clamp(24px, 3vw, 48px);
}

.footer-brand { min-width: 0; }

.brand--footer { margin-bottom: 14px; }

.footer-tagline {
  max-width: 30em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-facts {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.footer-fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.footer-fact .num {
  font-size: 15px;
  color: var(--sand);
}

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

.footer-heading {
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--sand);
}

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

.footer-list a {
  color: rgba(244, 237, 225, 0.72);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.footer-list a:hover { color: var(--cyan); }

.footer-plain {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(244, 237, 225, 0.72);
  word-break: break-word;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(32px, 4vw, 56px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.footer-legal-line { margin: 0; }

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  html { scroll-padding-top: 76px; }
  #main-content { scroll-margin-top: 76px; }

  .split,
  .split--flip,
  .split--even { grid-template-columns: 1fr; }

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

  .brand-row { flex-wrap: wrap; gap: 12px 16px; }
  .brand-tagline { display: none; }
  .header-meta { gap: 14px; }

  .nav-row {
    position: fixed;
    right: 16px;
    bottom: 84px;
    z-index: 85;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: min(340px, calc(100vw - 32px));
    min-height: 0;
    max-height: calc(100vh - 180px);
    overflow-y: auto;
    padding: 8px;
    background-color: var(--ink-2);
    border: 1px solid var(--line);
    border-top: 3px solid var(--lava);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition:
      opacity var(--dur) var(--ease),
      transform var(--dur) var(--ease),
      visibility var(--dur) linear;
  }

  .site-header[data-open="true"] .nav-row {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .primary-nav { flex: 0 0 auto; }

  .nav-list {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    width: 100%;
    min-height: 48px;
    padding-inline: 12px;
    font-size: 16px;
    border-bottom: 1px solid var(--line-soft);
    border-left: 3px solid transparent;
  }

  .nav-link::after { display: none; }

  .nav-link[aria-current="page"] {
    background-color: rgba(255, 122, 47, 0.16);
    border-left-color: var(--lava);
    color: var(--paper);
  }

  .nav-aside {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin: 12px 0 0;
    padding: 0 4px 4px;
  }

  .nav-note { font-size: 12px; white-space: normal; }

  .nav-cta {
    width: 100%;
    min-height: 48px;
    font-size: 16px;
  }
}

@media (max-width: 720px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }

  .brand-name { font-size: 1.05rem; }
  .header-meta { font-size: 11px; }

  .card { padding: 14px; }
  .panel { padding: 18px; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
}

/* ---------- 15. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .card:hover,
  .card:focus-within { transform: none; }
}