/* ============================================================
   头头赛事 · 共享样式表 /assets/site.css
   主题：深夜球场电子记分牌
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 76px;
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd,
ul, ol { margin: 0; }

ul, ol { padding: 0; }

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

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

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 2. 变量 ---------- */
:root {
  /* 色彩 */
  --ink: #05201A;
  --carbon: #0A0D0C;
  --pitch: #123329;
  --cyan: #17E5C8;
  --orange: #FF7A2B;
  --warm: #F2EFE6;
  --mist: #86A79C;
  --amber: #FFC24B;
  --glass: rgba(242, 239, 230, 0.08);
  --edge: #1F5C4C;
  --warm-dim: #C9C4B6;

  /* 尺寸与节奏 */
  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 40px);
  --r: 14px;
  --r-sm: 9px;
  --rail-h: 54px;

  /* 字体 */
  --font-display: "Arial Narrow", "Helvetica Neue Condensed", "HarmonyOS Sans SC",
                  "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Roboto Mono",
               Consolas, "DejaVu Sans Mono", monospace;
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 620px at 84% -10%, rgba(23, 229, 200, 0.10), transparent 62%),
    radial-gradient(880px 520px at 4% 6%, rgba(255, 122, 43, 0.07), transparent 60%);
  background-repeat: no-repeat;
  color: var(--warm);
  font-family: var(--font-body);
  font-size: clamp(16px, 0.42vw + 14.4px, 18px);
  line-height: 1.8;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: 0.005em;
}

a { text-decoration-thickness: 1px; text-underline-offset: 3px; }

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

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

.section { padding-block: clamp(48px, 8vw, 104px); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 28px;
  margin-bottom: clamp(24px, 4vw, 44px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--edge);
}

.section__title {
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  font-weight: 200;
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan);
  flex: none;
}

.display {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.5rem, 8.6vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
}

.lede {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.85;
  color: var(--warm-dim);
  max-width: 60ch;
}

.prose {
  max-width: 68ch;
  color: var(--warm-dim);
}

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

.prose a {
  color: var(--cyan);
  text-decoration-color: rgba(23, 229, 200, 0.42);
}

.prose h2,
.prose h3 {
  color: var(--warm);
  font-weight: 700;
  line-height: 1.25;
}

.prose h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin: 1.9em 0 0.6em;
}

.prose h3 {
  font-size: 1.12rem;
  margin: 1.6em 0 0.5em;
}

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

.prose li { margin: 0.4em 0; }

.prose strong { color: var(--warm); }

/* ---------- 5. 网格 ---------- */
.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

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

@media (min-width: 720px) {
  .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)); }
}

/* ---------- 6. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--cyan);
  color: #04211B;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
  transform: translateY(-180%);
  transition: transform 0.18s ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline-color: var(--warm);
}

/* ---------- 7. 页头 ---------- */
.site-header {
  position: relative;
  background: var(--carbon);
  color: var(--warm);
  border-bottom: 1px solid var(--edge);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0 16%, rgba(23, 229, 200, 0) 16% 100%);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  min-height: 68px;
  padding-block: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  text-decoration: none;
  color: inherit;
}

.brand__mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--cyan) 0 48%, var(--orange) 48% 100%);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, transparent 43%, rgba(5, 32, 26, 0.9) 43% 57%, transparent 57%);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand__tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  background: transparent;
  color: var(--warm);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.nav-toggle:hover {
  border-color: var(--cyan);
  background: var(--glass);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
  flex: none;
}

.nav-toggle__bars span {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.primary-nav {
  display: none;
  width: 100%;
  order: 3;
  border-top: 1px solid var(--edge);
  margin-top: 6px;
}

.primary-nav[data-open] {
  display: block;
  animation: navDrop 0.2s ease both;
}

@keyframes navDrop {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

.primary-nav__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 0 14px;
}

.primary-nav__item { margin: 0; }

.primary-nav__link {
  position: relative;
  display: block;
  padding: 11px 12px;
  border-radius: var(--r-sm);
  color: var(--warm-dim);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: color 0.16s ease, background-color 0.16s ease;
}

.primary-nav__link:hover {
  color: var(--warm);
  background: var(--glass);
}

.primary-nav__link[aria-current="page"] {
  color: var(--cyan);
  background: rgba(23, 229, 200, 0.08);
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }

  .primary-nav {
    display: block;
    width: auto;
    order: 0;
    margin-top: 0;
    border-top: 0;
  }

  .primary-nav__list {
    flex-direction: row;
    align-items: center;
    gap: clamp(4px, 1.4vw, 20px);
    padding: 0;
  }

  .primary-nav__link {
    padding: 8px 2px;
    background: none;
    border-radius: 0;
  }

  .primary-nav__link:hover { background: none; }

  .primary-nav__link[aria-current="page"] { background: none; }

  .primary-nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 2px;
    height: 1px;
    background: var(--cyan);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.18s ease;
  }

  .primary-nav__link:hover::after,
  .primary-nav__link[aria-current="page"]::after { transform: scaleX(1); }
}

/* ---------- 8. 悬浮操作条 ---------- */
.rail {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(10, 13, 12, 0.84);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  backdrop-filter: blur(14px) saturate(130%);
  border-bottom: 1px solid var(--edge);
}

.rail__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--rail-h);
  padding-block: 8px;
}

.rail__cta { margin-right: auto; }

.rail__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  pointer-events: none;
}

@media (max-width: 560px) {
  .rail__inner { gap: 8px; }
  .rail .btn { padding: 8px 13px; font-size: 13px; }
}

/* ---------- 9. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.btn--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: #1A0A00;
}

.btn--primary:hover {
  background: #FF9152;
  border-color: #FF9152;
}

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

.btn--ghost:hover {
  border-color: var(--cyan);
  background: rgba(23, 229, 200, 0.08);
}

.btn--quiet {
  background: var(--glass);
  border-color: var(--edge);
  color: var(--warm);
}

.btn--quiet:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--block { width: 100%; }

/* ---------- 10. 标签与状态 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  background: var(--glass);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--live {
  color: var(--cyan);
  border-color: rgba(23, 229, 200, 0.42);
}

.tag--warn {
  color: var(--amber);
  border-color: rgba(255, 194, 75, 0.42);
}

/* ---------- 11. 卡片与数据 ---------- */
.card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--edge);
  border-radius: var(--r);
  background: var(--pitch);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent, var(--cyan));
}

.card__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 700;
  color: var(--warm);
  line-height: 1.35;
}

.card__meta {
  margin-top: 8px;
  font-size: 0.92rem;
  color: var(--mist);
  line-height: 1.75;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  line-height: 1;
  color: var(--cyan);
}

.stat__value--hot { color: var(--orange); }

.stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 12. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 32px);
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.crumbs li + li::before {
  content: "/";
  color: var(--edge);
}

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

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

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

/* ---------- 13. 图片容器基础规则 ---------- */
.figure {
  margin: 0;
  border: 1px solid var(--edge);
  border-radius: var(--r);
  background: var(--pitch);
  overflow: hidden;
}

.figure__media {
  position: relative;
  background:
    linear-gradient(150deg, rgba(23, 229, 200, 0.12), rgba(255, 122, 43, 0.08) 58%, transparent),
    #0E2A22;
}

.figure__media::before {
  content: "";
  display: block;
  padding-top: var(--ratio, 62%);
}

.figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(31, 92, 76, 0.55) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(0deg, rgba(31, 92, 76, 0.35) 0 1px, transparent 1px 48px);
  pointer-events: none;
}

.figure__media > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure--wide { --ratio: 46%; }
.figure--tall { --ratio: 118%; }
.figure--square { --ratio: 100%; }

.figure__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--edge);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 14. 标签页组件 ---------- */
.tabs { display: block; }

.tabs__list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--edge);
  scrollbar-width: thin;
}

.tabs__tab {
  flex: none;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

.tabs__tab:hover {
  color: var(--warm);
  border-color: var(--edge);
}

.tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04211B;
  font-weight: 600;
}

.tabs__panel { padding-top: clamp(18px, 3vw, 30px); }

.tabs__panel:not([data-active]) { display: none; }

/* ---------- 15. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 120px);
  background: var(--carbon);
  border-top: 1px solid var(--edge);
  color: var(--warm-dim);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(40px, 6vw, 76px);
}

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

@media (min-width: 1024px) {
  .site-footer__grid { grid-template-columns: 1.45fr 1fr 1fr 1.25fr; }
  .footer-col:nth-child(2) { padding-top: 26px; }
  .footer-col:nth-child(3) { padding-top: 8px; }
  .footer-col:nth-child(4) { padding-top: 34px; }
}

.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-col__text {
  max-width: 34ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

.footer-col__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col__item { margin: 0; }

.footer-col__link {
  color: var(--warm-dim);
  font-size: 0.94rem;
  text-decoration: none;
  transition: color 0.16s ease;
}

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

.footer-col__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--warm-dim);
  word-break: break-word;
}

.footer-scale {
  height: 22px;
  border-top: 1px solid var(--edge);
  background-image: repeating-linear-gradient(90deg, var(--edge) 0 1px, transparent 1px 26px);
  background-size: 100% 9px;
  background-repeat: repeat-x;
  background-position: 0 0;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 16px 22px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.footer-bottom__item { margin: 0; }

/* ---------- 16. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .primary-nav[data-open] { animation: none; }
  .rail__progress { transition: none; }
}