/* ==========================================================================
   押注赛场 · /assets/site.css
   共享层：reset、变量、中文排版、框架式页头、转播信息栏页脚、通用组件
   ========================================================================== */

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

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

body {
  margin: 0;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

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

h1, h2, h3, h4, h5, p, figure, blockquote { margin: 0; }

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

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

::selection {
  background: var(--lime);
  color: #07180F;
}

/* 2. 设计变量
   ========================================================================== */
:root {
  /* 夜场色阶 */
  --ink-900: #081A12;   /* 全站主背景 */
  --ink-800: #0F2A1D;   /* 页头、页脚、左侧轨道 */
  --ink-700: #1B4D33;   /* 分区底、横向数据条 */
  --edge:    #2F6B4A;   /* 极细边界、战术板线 */

  /* 强调 */
  --lime:   #C8FF3D;    /* 当前状态、关键按钮、比分高亮 */
  --orange: #FF7A1A;    /* 关键数据与下载入口 */
  --glow:   #6FE3A0;    /* 关键视觉区的雾光渐变 */

  /* 文本 */
  --paper: #F3F8EF;
  --mist:  #A9C0B1;

  /* 语义纪律色，不做装饰铺底 */
  --amber: #FFD447;
  --red:   #E5483F;

  /* 字体 */
  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: ui-monospace, "Roboto Mono", "IBM Plex Mono", SFMono-Regular, Menlo, Consolas, monospace;

  /* 尺度 */
  --w-page: min(1400px, calc(100% - 48px));
  --w-narrow: min(880px, calc(100% - 48px));
  --gutter: clamp(16px, 2.4vw, 28px);
  --radius: 2px;

  /* 动效 */
  --dur-fast: 180ms;
  --dur-base: 220ms;
  --dur-slow: 420ms;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* 3. 排版基础工具
   ========================================================================== */
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -.01em;
}

.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lime);
}

.eyebrow::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, .16);
}

/* 4. Skip link
   ========================================================================== */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  display: inline-block;
  padding: 10px 18px;
  background: var(--lime);
  color: #07180F;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  border-radius: var(--radius);
  transform: translateY(-200%);
  transition: transform var(--dur-base) var(--ease);
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline-offset: 2px;
}

/* 5. 框架式页头
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--ink-800);
  color: var(--paper);
  border-bottom: 1px solid var(--edge);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, .9);
}

.scroll-progress {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  z-index: 2;
  background: linear-gradient(90deg, var(--lime), var(--glow));
  transition: width 90ms linear;
}

.site-header__inner {
  width: var(--w-page);
  margin-inline: auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 44px);
  padding-block: 10px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  padding-block: 4px;
}

.brand__mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid var(--edge);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 32% 26%, rgba(200, 255, 61, .26), rgba(8, 26, 18, 0) 64%);
}

.brand__mark::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, .14);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(47, 107, 74, .95);
  border-radius: 50%;
  border-top-color: transparent;
  border-right-color: transparent;
  transform: rotate(-18deg);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--paper);
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--mist);
}

/* 主导航 */
.primary-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.primary-nav__list {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px;
}

.primary-nav__item { display: block; }

.primary-nav__link {
  position: relative;
  display: block;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .05em;
  color: var(--mist);
  border-radius: var(--radius);
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease);
}

.primary-nav__link:hover {
  color: var(--paper);
  background: rgba(27, 77, 51, .55);
}

.primary-nav__link:hover::after { transform: scaleX(1); }

.primary-nav__link[aria-current="page"] {
  color: var(--paper);
  background: rgba(27, 77, 51, .42);
}

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

/* 右侧行动区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  margin-left: auto;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  transition: border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.nav-toggle:hover {
  border-color: var(--lime);
  background: rgba(27, 77, 51, .55);
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--lime);
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-fast) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

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

/* 刻度边条 */
.site-header__edge {
  width: var(--w-page);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 6px;
  border-top: 1px solid rgba(47, 107, 74, .55);
}

.site-header__edge-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  min-width: 0;
}

.site-header__edge-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: rgba(169, 192, 177, .8);
  white-space: nowrap;
}

.site-header__edge-item::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--edge);
}

.site-header__edge-item--live { color: var(--lime); }

.site-header__edge-item--live::before {
  background: var(--lime);
  animation: statPulse 2.4s ease-in-out infinite;
}

.site-header__edge-note {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: rgba(169, 192, 177, .6);
  white-space: nowrap;
}

@keyframes statPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(200, 255, 61, .45); }
  50%      { opacity: .55; box-shadow: 0 0 0 5px rgba(200, 255, 61, 0); }
}

/* 6. 按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}

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

.btn--lime {
  background: var(--lime);
  color: #07180F;
  box-shadow: 0 10px 26px -18px rgba(200, 255, 61, .9);
}

.btn--lime:hover { background: #D8FF72; }

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

.btn--ghost:hover {
  background: rgba(27, 77, 51, .6);
  border-color: var(--lime);
}

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

.btn--orange:hover { background: #FF9243; }

.btn--sm {
  padding: 9px 16px;
  font-size: 13px;
  letter-spacing: .06em;
}

/* 7. 页面容器与长文
   ========================================================================== */
.page-shell {
  width: var(--w-page);
  margin-inline: auto;
  padding-block: clamp(24px, 4vw, 48px) clamp(56px, 8vw, 104px);
}

.container {
  width: var(--w-page);
  margin-inline: auto;
}

.container--narrow {
  width: var(--w-narrow);
  margin-inline: auto;
}

.prose {
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

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

.prose h2 {
  margin-top: 2em;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.35;
  color: var(--paper);
}

.prose h3 {
  margin-top: 1.7em;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.prose strong { color: var(--paper); font-weight: 700; }

.prose a {
  color: var(--lime);
  border-bottom: 1px solid rgba(200, 255, 61, .35);
}

/* 8. 面包屑
   ========================================================================== */
.breadcrumbs { padding-block: 14px; }

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

.breadcrumbs__list > li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.breadcrumbs__link {
  color: var(--mist);
  transition: color var(--dur-fast) var(--ease);
}

.breadcrumbs__link:hover { color: var(--lime); }

.breadcrumbs__current { color: var(--paper); }

/* 9. 栅格与面
   ========================================================================== */
.grid {
  display: grid;
  gap: var(--gutter);
}

.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)); }

.surface {
  background: var(--ink-800);
  border: 1px solid rgba(47, 107, 74, .55);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 28px);
  box-shadow: 0 20px 48px -40px rgba(0, 0, 0, .95);
}

.divider {
  height: 1px;
  border: 0;
  background: rgba(47, 107, 74, .5);
  margin-block: clamp(24px, 4vw, 44px);
}

/* 10. 图片容器基础规则（页面阶段放占位或图片）
   ========================================================================== */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(47, 107, 74, .55);
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, rgba(27, 77, 51, .9), rgba(8, 26, 18, 1) 72%),
    var(--ink-900);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(8, 26, 18, 0) 42%, rgba(8, 26, 18, .82) 100%);
}

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

.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3  { aspect-ratio: 4 / 3; }
.media-frame--1x1  { aspect-ratio: 1 / 1; }
.media-frame--wide { aspect-ratio: 21 / 9; }

.media-frame--slant {
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.media-frame__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(169, 192, 177, .55);
}

.media-frame__label {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}

/* 11. 滚动显现协议（由 JS 加 .is-reveal / .is-visible）
   ========================================================================== */
[data-reveal] {
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}

[data-reveal].is-reveal {
  opacity: 0;
  transform: translateY(12px);
}

[data-reveal].is-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* 12. 页脚：转播信息栏
   ========================================================================== */
.site-footer {
  position: relative;
  background: var(--ink-800);
  color: var(--paper);
  border-top: 1px solid var(--edge);
  margin-top: clamp(36px, 6vw, 88px);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 255, 61, 0), rgba(200, 255, 61, .55), rgba(200, 255, 61, 0));
}

.site-footer__inner {
  width: var(--w-page);
  margin-inline: auto;
  padding-block: clamp(36px, 5.4vw, 68px) 26px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.5fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  max-width: 38ch;
}

.footer-brand__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.4vw, 30px);
  font-weight: 900;
  letter-spacing: .05em;
  line-height: 1.2;
  color: var(--paper);
}

.footer-brand__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

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

.footer-col__title {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lime);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col__list a {
  display: inline-block;
  font-size: 14px;
  color: var(--mist);
  transition: color var(--dur-fast) var(--ease);
}

.footer-col__list a:hover { color: var(--paper); }

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

.footer-contact__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact__list > li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  font-size: 13.5px;
  line-height: 1.65;
}

.footer-contact__key {
  flex: 0 0 auto;
  min-width: 34px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(169, 192, 177, .7);
}

.footer-contact__value {
  color: var(--paper);
  word-break: break-all;
}

.footer-contact__value--num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
}

.footer-legal {
  margin-top: clamp(30px, 4.6vw, 54px);
  padding-top: 18px;
  border-top: 1px solid rgba(47, 107, 74, .55);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
}

.footer-legal__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.footer-legal__item + .footer-legal__item {
  margin-left: 14px;
  padding-left: 14px;
  border-left: 1px solid var(--edge);
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-size: 12px;
}

.footer-legal__links a {
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.footer-legal__links a:hover {
  color: var(--paper);
  border-bottom-color: var(--lime);
}

/* 13. 断点：宽平板 → 手机
   ========================================================================== */
@media (max-width: 1279px) {
  .primary-nav__link { padding-inline: 11px; font-size: 13.5px; }
  .primary-nav__link::after { left: 11px; right: 11px; }
  .brand__name { font-size: 18px; }
}

@media (max-width: 1079px) {
  .site-header__inner {
    min-height: 64px;
    gap: 12px;
    padding-block: 8px;
  }

  .brand__tag { display: none; }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex: 0 0 auto;
    display: none;
    background: var(--ink-800);
    border-top: 1px solid var(--edge);
    border-bottom: 1px solid var(--edge);
    box-shadow: 0 28px 56px -24px rgba(0, 0, 0, .85);
    padding: 10px 0 18px;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }

  .site-header[data-open] .primary-nav { display: block; }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: var(--w-page);
    margin-inline: auto;
  }

  .primary-nav__link {
    padding: 14px 6px;
    font-size: 16px;
    border-bottom: 1px solid rgba(47, 107, 74, .38);
    border-radius: 0;
  }

  .primary-nav__link::after {
    left: 6px;
    right: auto;
    bottom: 9px;
    width: 26px;
  }

  .primary-nav__link:hover,
  .primary-nav__link[aria-current="page"] { background: transparent; }

  .primary-nav__link:hover { color: var(--lime); }

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

  .header-tools .btn { display: none; }

  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 24px;
  }

  .footer-brand { grid-column: 1 / -1; max-width: 46ch; }
}

@media (max-width: 767px) {
  :root { --w-page: calc(100% - 32px); --w-narrow: calc(100% - 32px); }

  .site-header__edge { display: none; }

  .brand__mark { width: 30px; height: 30px; }
  .brand__name { font-size: 17px; letter-spacing: .04em; }

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

  .footer-brand__title { font-size: 24px; }

  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

@media (max-width: 479px) {
  :root { --w-page: calc(100% - 24px); --w-narrow: calc(100% - 24px); }

  .brand { gap: 9px; }
  .brand__name { font-size: 16px; }

  .nav-toggle__label { display: none; }
  .nav-toggle { padding: 10px 12px; }

  .footer-top { grid-template-columns: minmax(0, 1fr); }

  .footer-legal__item + .footer-legal__item {
    margin-left: 10px;
    padding-left: 10px;
  }
}

/* 14. 减弱动效
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  [data-reveal],
  [data-reveal].is-reveal {
    opacity: 1;
    transform: none;
  }

  .scroll-progress { transition: none; }
}