/* ==========================================================================
   光速体育 · 共享站点样式 /assets/site.css
   深夜记分牌体系：深墨绿暗场 + 光速橙信号 + 荧光青脉冲
   ========================================================================== */

/* ---------- 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, h6,
p, figure, blockquote, ul, ol, dl, dd, pre { margin: 0; }

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

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

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

button { background: none; border: 0; }

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

/* ---------- 2. 设计变量 ---------- */
:root {
  /* 色板 */
  --ink-950: #04100D;
  --ink-900: #071713;
  --pitch-800: #0E2A24;
  --pitch-700: #123A31;
  --paper: #F4EBDD;
  --sand: #D8CDBB;
  --orange: #FF5A1F;
  --cyan: #2DE1C2;
  --cyan-soft: #A7F3E4;
  --red: #FF3B30;
  --yellow: #FFD400;

  /* 线与层级 */
  --line: rgba(216, 205, 187, 0.18);
  --line-strong: rgba(167, 243, 228, 0.32);

  /* 字体 */
  --font-display: 'Barlow Condensed', 'Oswald', 'Impact', 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --font-num: 'DIN Condensed', 'Roboto Mono', 'JetBrains Mono', 'Noto Sans Mono', ui-monospace, monospace;

  /* 尺度 */
  --shell-max: 1340px;
  --gutter: clamp(16px, 4vw, 48px);
  --section-y: clamp(40px, 6vw, 88px);
  --radius: 3px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-lift: 0 18px 40px -24px rgba(0, 0, 0, 0.92);
}

/* ---------- 3. 中文排版与基色 ---------- */
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1100px 500px at 88% -8%, rgba(45, 225, 194, 0.09), transparent 62%),
    radial-gradient(880px 420px at 4% 2%, rgba(255, 90, 31, 0.08), transparent 64%),
    var(--pitch-800);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.02vw, 17px);
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--paper);
  text-wrap: balance;
}

h1 { font-size: clamp(44px, 7vw, 104px); }
h2 { font-size: clamp(30px, 4vw, 56px); }
h3 { font-size: clamp(22px, 2.4vw, 32px); }
h4 { font-size: clamp(17px, 1.6vw, 21px); letter-spacing: 0.01em; }

p { line-height: 1.78; }

a { color: inherit; }

strong, b { font-weight: 700; color: var(--paper); }

small { font-size: 0.8em; }

::selection {
  background: var(--orange);
  color: #14100E;
}

.num,
.score-num,
.lang-chip,
.site-footer__icp,
.site-footer__meta {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ---------- 4. 焦点与可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

#main-content:focus,
#main-content:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 18px;
  background: var(--orange);
  color: #14100E;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: 2px;
  transform: translate3d(0, -180%, 0);
  transition: transform 0.18s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translate3d(0, 0, 0);
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 5. 布局骨架 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
}

.stack {
  display: grid;
  gap: clamp(16px, 2.2vw, 28px);
}

.split {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.rule {
  height: 1px;
  border: 0;
  margin-block: clamp(20px, 3vw, 36px);
  background: linear-gradient(90deg, var(--orange), rgba(45, 225, 194, 0.5) 45%, transparent);
}

/* ---------- 6. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, var(--ink-900) 0%, #0A211C 100%);
  color: var(--paper);
  border-bottom: 1px solid var(--line-strong);
  transition: box-shadow 0.22s var(--ease);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--orange) 22%, var(--cyan) 78%, transparent);
  opacity: 0.55;
  pointer-events: none;
}

.site-header[data-scrolled] {
  box-shadow: 0 16px 34px -26px rgba(0, 0, 0, 0.95);
}

.site-header__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  z-index: 3;
  background: linear-gradient(90deg, var(--orange), var(--yellow) 38%, var(--cyan));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

.site-header__shell {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 32px);
  min-height: 74px;
  padding-block: 10px;
}

/* 品牌锚点 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  color: var(--paper);
  text-decoration: none;
}

.brand__mark {
  width: 28px;
  height: 28px;
  flex: none;
  background:
    linear-gradient(140deg, var(--orange) 0 44%, transparent 44%),
    linear-gradient(320deg, var(--cyan) 0 38%, transparent 38%),
    var(--pitch-700);
  clip-path: polygon(0 0, 100% 0, 100% 66%, 66% 100%, 0 100%);
  transition: transform 0.25s var(--ease);
}

.brand:hover .brand__mark,
.brand:focus-visible .brand__mark {
  transform: translateX(2px) skewX(-6deg);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand__cn {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand__en {
  margin-top: 4px;
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0.34em;
  color: var(--cyan);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--orange);
  transition: background 0.2s var(--ease);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease), top 0.22s var(--ease);
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.site-header[data-open] .nav-toggle__bars { background: transparent; }
.site-header[data-open] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); background: var(--cyan); }
.site-header[data-open] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); background: var(--cyan); }

.nav-toggle__text {
  line-height: 1;
}

/* 赛事快捷轨 */
.quick-rail {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  padding-right: clamp(10px, 2vw, 26px);
  border-right: 1px solid var(--line);
}

.quick-rail__label {
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--cyan-soft);
  opacity: 0.8;
}

.quick-rail__link {
  position: relative;
  padding-left: 14px;
  color: var(--sand);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.quick-rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transition: transform 0.18s var(--ease);
}

.quick-rail__link:hover {
  color: var(--paper);
}

.quick-rail__link:hover::before {
  transform: translateX(3px);
}

/* 主导航 */
.site-nav {
  display: block;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.2vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__item {
  display: flex;
}

.site-nav__link {
  display: inline-block;
  padding: 9px 4px;
  border-bottom: 2px solid transparent;
  color: var(--sand);
  font-family: var(--font-display);
  font-size: clamp(14px, 1.05vw, 16px);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.site-nav__link:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.site-nav__link[aria-current="page"] {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

.site-nav__link[aria-current="page"]::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--cyan);
  vertical-align: middle;
}

/* 语言标识 */
.lang-chip {
  flex: none;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--cyan-soft);
  font-size: 11px;
  letter-spacing: 0.18em;
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 120px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
  color: var(--sand);
  border-top: 1px solid var(--line-strong);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(300px, 42%);
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent);
}

.site-footer__shell {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-block: clamp(40px, 6vw, 72px) clamp(22px, 3vw, 32px);
}

.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
  padding-bottom: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid var(--line);
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand__mark--footer {
  width: 22px;
  height: 22px;
}

.site-footer__pitch {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
  line-height: 1.2;
}

.site-footer__icp {
  padding: 6px 10px;
  border: 1px solid var(--line);
  color: var(--sand);
  font-size: 12px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: clamp(22px, 3vw, 40px);
}

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

.footer-col__title {
  margin-bottom: 14px;
  color: var(--cyan-soft);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.footer-col__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--sand);
}

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

.footer-list a,
.footer-list span {
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

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

.footer-list--contact span {
  color: var(--sand);
  word-break: break-word;
}

.footer-addr {
  display: block;
  line-height: 1.6;
}

.footer-note {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--sand);
  opacity: 0.85;
}

.signal-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.signal-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2.4s var(--ease) infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(45, 225, 194, 0.5); }
  70%  { box-shadow: 0 0 0 9px rgba(45, 225, 194, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 225, 194, 0); }
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--sand);
}

.site-footer__copy,
.site-footer__meta {
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 8. 通用组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--orange);
}

.lede {
  max-width: 62ch;
  color: var(--sand);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.72;
}

.panel {
  position: relative;
  padding: clamp(18px, 2.6vw, 32px);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--pitch-700) 0%, #0B241E 100%);
}

.panel--cut {
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.panel--paper {
  border-color: transparent;
  background: var(--paper);
  color: #17211D;
}

.panel--paper h2,
.panel--paper h3,
.panel--paper h4 {
  color: var(--pitch-800);
}

.panel--paper .lede {
  color: #3A4B45;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: clamp(15px, 1.1vw, 17px);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease),
              border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.btn--primary {
  background: var(--orange);
  color: #14100E;
}

.btn--primary:hover {
  background: #FF7A47;
}

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--paper);
}

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

.btn--cyan {
  background: var(--cyan);
  color: #06231D;
}

.btn--cyan:hover {
  background: var(--cyan-soft);
}

.btn:active {
  transform: translateY(1px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--cyan-soft);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.6;
}

.tag--red {
  background: var(--red);
  border-color: transparent;
  color: #160604;
}

.tag--yellow {
  background: var(--yellow);
  border-color: transparent;
  color: #1A1600;
}

.tag--cyan {
  background: rgba(45, 225, 194, 0.14);
  border-color: rgba(45, 225, 194, 0.4);
  color: var(--cyan);
}

.score-num {
  color: var(--paper);
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.02em;
}

.signal-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px 0 rgba(45, 225, 194, 0.7);
  vertical-align: middle;
}

.drawer {
  position: relative;
  padding: clamp(18px, 2.4vw, 30px);
  border-left: 3px solid var(--orange);
  background: linear-gradient(180deg, var(--pitch-700) 0%, var(--ink-900) 100%);
  box-shadow: var(--shadow-lift);
}

.breadcrumb {
  padding-block: clamp(14px, 2vw, 22px);
  color: var(--sand);
  font-size: 13px;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.breadcrumb__list li + li::before {
  content: "/";
  color: rgba(216, 205, 187, 0.5);
}

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

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

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

/* 图片容器基础规则：页面阶段在内部放置 img / picture */
.media-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--pitch-700) 0%, var(--ink-900) 100%);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(200deg, rgba(255, 90, 31, 0.16), transparent 45%, rgba(45, 225, 194, 0.14));
  pointer-events: none;
}

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

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-caption {
  margin-top: 10px;
  color: var(--sand);
  font-size: 12px;
  line-height: 1.6;
}

/* ---------- 9. 响应式 ---------- */
@media (max-width: 1180px) {
  .quick-rail__label { display: none; }
  .lang-chip { display: none; }
  .site-header__shell { min-height: 68px; }
}

@media (max-width: 960px) {
  .site-header__shell {
    flex-wrap: wrap;
    min-height: 64px;
    padding-block: 12px;
    row-gap: 0;
  }

  .brand { order: 1; }

  .nav-toggle {
    display: inline-flex;
    order: 2;
    margin-left: auto;
  }

  .quick-rail,
  .site-nav,
  .lang-chip {
    display: none;
    flex-basis: 100%;
    order: 3;
    margin-left: 0;
    padding-right: 0;
    border-right: 0;
  }

  .site-header[data-open] .quick-rail {
    display: flex;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .site-header[data-open] .site-nav {
    display: block;
    margin-top: 4px;
    max-height: 56vh;
    overflow-y: auto;
  }

  .site-header[data-open] .lang-chip {
    display: block;
    max-width: max-content;
    margin-top: 12px;
    margin-bottom: 4px;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__item { display: block; }

  .site-nav__link {
    display: block;
    padding: 13px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 17px;
  }

  .site-nav__link[aria-current="page"] {
    padding-left: 12px;
    border-bottom-color: var(--cyan);
  }

  .quick-rail__link { font-size: 15px; }

  .site-footer__grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 560px) {
  .site-footer__top {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .site-footer__base {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand__cn { font-size: 18px; }
  .nav-toggle__text { display: none; }
  .nav-toggle { padding: 9px 11px; }
}

/* ---------- 10. 降低动效 ---------- */
@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;
  }

  .signal-pill__dot { animation: none; }

  .brand:hover .brand__mark,
  .brand:focus-visible .brand__mark,
  .quick-rail__link:hover::before,
  .btn:active { transform: none; }
}