/* ============================================================
   宝威体育主站 · 共享样式表 /assets/site.css
   深夜赛场转播间：框架式导航 + 近单色深蓝 + 竞技橙刻线
   ============================================================ */

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

* { margin: 0; }

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

body { min-height: 100vh; }

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

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

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

a { color: inherit; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  /* 色彩 */
  --ink-deep: #051724;
  --panel: #0A2438;
  --panel-2: #08202F;
  --rule: #143A55;
  --orange: #FF6B1A;
  --orange-deep: #C94A0A;
  --cyan: #2CF2CF;
  --sand: #E4D8C2;
  --paper: #F2EAD9;
  --white: #F7FBFF;
  --mist: #8CA7BA;

  /* 字体 */
  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  /* 尺寸 */
  --content-w: 1320px;
  --header-h: 64px;
  --rail-w: 72px;
  --side-w: 280px;

  /* 动效 */
  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  background-color: var(--ink-deep);
  background-image:
    linear-gradient(rgba(20, 58, 85, .22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 58, 85, .22) 1px, transparent 1px);
  background-size: var(--rail-w) var(--rail-w);
  background-attachment: fixed;
  color: var(--sand);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--white);
  text-wrap: balance;
}

h1 { font-size: clamp(38px, 6vw, 84px); }
h2 { font-size: clamp(28px, 3.6vw, 48px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); line-height: 1.3; letter-spacing: -.01em; }
h4 { font-size: 18px; line-height: 1.4; letter-spacing: 0; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

strong { color: var(--white); font-weight: 700; }

code, kbd, samp { font-family: var(--font-mono); font-size: .9em; color: var(--cyan); }

::selection { background: var(--orange); color: var(--ink-deep); }

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

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 16px;
  top: -120px;
  z-index: 300;
  display: inline-block;
  padding: 12px 22px;
  background: var(--cyan);
  color: var(--ink-deep);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  text-decoration: none;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- 5. 头部框架 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(5, 23, 36, .95);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 96px;
  height: 2px;
  background: var(--orange);
  pointer-events: none;
}

.header-frame {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  width: 100%;
  max-width: var(--content-w);
  min-height: var(--header-h);
  margin-inline: auto;
  padding: 8px clamp(14px, 3vw, 32px);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--orange);
  color: var(--ink-deep);
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
  transition: background .18s var(--ease);
}
.brand:hover .brand-mark { background: var(--cyan); }

.brand-line {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .05em;
  white-space: nowrap;
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 9px 13px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--sand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.nav-toggle:hover { border-color: var(--orange); color: var(--white); }

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: background .2s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform .2s var(--ease), top .2s var(--ease);
}
.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

.nav-toggle-label { white-space: nowrap; }

/* 导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.2vw, 18px);
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0px, .6vw, 8px);
  margin: 0;
}

.nav-link {
  position: relative;
  display: block;
  padding: 9px 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--sand);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 2px;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s var(--ease);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] {
  color: var(--white);
  font-weight: 700;
}
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.nav-action {
  flex: none;
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  background: var(--orange);
  color: var(--ink-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .05em;
  text-decoration: none;
  transition: background .18s var(--ease), transform .18s var(--ease);
}
.nav-action:hover { background: var(--cyan); transform: translateY(-1px); }

.header-version {
  flex: none;
  padding-left: 14px;
  border-left: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
  white-space: nowrap;
}
.header-version-sep { margin: 0 4px; color: var(--rule); }

/* ---------- 6. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 8vw, 104px);
  background: var(--panel-2);
  border-top: 1px solid var(--rule);
  color: var(--sand);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) repeat(3, minmax(0, 1fr));
  gap: clamp(26px, 4vw, 56px);
  width: 100%;
  max-width: var(--content-w);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 72px) clamp(16px, 3vw, 32px) clamp(32px, 4vw, 48px);
}

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

.footer-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 18px;
  background: var(--orange);
  color: var(--ink-deep);
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
}

.footer-summary {
  max-width: 34ch;
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--sand);
}

.footer-contact {
  display: grid;
  gap: 9px;
  margin: 0;
}

.footer-contact-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.footer-contact-key {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  line-height: 1.9;
  color: var(--mist);
}

.footer-contact-val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--paper);
  overflow-wrap: anywhere;
}

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

.footer-col-title {
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--mist);
}

.footer-col ul { display: grid; gap: 11px; }

.footer-col a {
  display: inline-block;
  font-size: 14px;
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.footer-col a:hover {
  color: var(--white);
  border-bottom-color: var(--orange);
}

.footer-base {
  border-top: 1px solid var(--rule);
  background: var(--ink-deep);
}

.footer-base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  width: 100%;
  max-width: var(--content-w);
  margin-inline: auto;
  padding: 20px clamp(16px, 3vw, 32px);
}

.footer-note {
  max-width: 58ch;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

.footer-icp { color: var(--mist); }

/* ---------- 7. 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: clamp(16px, 3vw, 32px);
}

.container--narrow { max-width: 820px; }

.split-shell {
  display: grid;
  grid-template-columns: var(--side-w) minmax(0, 1fr);
  gap: clamp(24px, 3.2vw, 48px);
  align-items: start;
}

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

/* ---------- 8. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before {
  content: "/";
  color: var(--rule);
}
.breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color .18s var(--ease);
}
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb [aria-current="page"] { color: var(--sand); }

/* ---------- 9. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  background: var(--orange);
  border: 1px solid var(--orange);
  color: var(--ink-deep);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .05em;
  text-decoration: none;
  cursor: pointer;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}
.btn:hover {
  background: var(--orange-deep);
  border-color: var(--orange-deep);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--rule);
  color: var(--sand);
}
.btn--ghost:hover {
  background: transparent;
  border-color: var(--orange);
  color: var(--white);
}

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

/* ---------- 10. 图片容器 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--panel) 0%, var(--rule) 100%);
  border: 1px solid var(--rule);
}
.media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

/* ---------- 11. 印刷标签 ---------- */
.stamp-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--paper);
  border: 1px solid rgba(5, 23, 36, .22);
  color: var(--ink-deep);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  line-height: 1.6;
  white-space: nowrap;
}
.stamp-label--orange {
  background: var(--orange);
  border-color: var(--orange-deep);
  color: var(--ink-deep);
}
.stamp-label--cyan {
  background: transparent;
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 12. 档案卡 ---------- */
.archive-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--panel);
  border: 1px solid var(--rule);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.archive-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 36px;
  background: var(--orange);
}
.archive-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.card-eyebrow {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}

.card-title {
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--white);
}

.card-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--sand);
}

/* ---------- 13. 比分卡 ---------- */
.score-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(10px, 2vw, 22px);
  padding: clamp(16px, 2vw, 22px);
  background: var(--panel);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--orange);
}

.score-team {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--sand);
}
.score-team:last-child { text-align: right; }

.score-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: var(--white);
  white-space: nowrap;
}

/* ---------- 14. 索引簇 ---------- */
.index-cluster {
  display: grid;
  gap: 2px;
  margin: 0;
  counter-reset: idx;
}

.index-cluster a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel);
  border-left: 2px solid transparent;
  color: var(--sand);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}
.index-cluster a::before {
  counter-increment: idx;
  content: counter(idx, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
  transition: color .18s var(--ease);
}
.index-cluster a:hover {
  border-left-color: var(--orange);
  background: var(--rule);
  color: var(--white);
}
.index-cluster a:hover::before { color: var(--cyan); }

/* ---------- 15. 折叠组 ---------- */
.stack-accordion {
  background: var(--panel);
  border: 1px solid var(--rule);
}
.stack-accordion details { border-bottom: 1px solid var(--rule); }
.stack-accordion details:last-child { border-bottom: 0; }

.stack-accordion summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  transition: color .18s var(--ease), background .18s var(--ease);
}
.stack-accordion summary::-webkit-details-marker { display: none; }
.stack-accordion summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}
.stack-accordion summary:hover { background: var(--rule); }
.stack-accordion details[open] > summary { color: var(--cyan); }
.stack-accordion details[open] > summary::after { content: "−"; }

.stack-accordion .accordion-body {
  padding: 0 22px 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--sand);
}

/* ---------- 16. 版本时间轴 ---------- */
.version-timeline {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  counter-reset: vn;
}

.version-timeline > li {
  position: relative;
  flex: 1 1 160px;
  min-width: 140px;
  padding: 24px 18px 22px 0;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: var(--sand);
}
.version-timeline > li::before {
  counter-increment: vn;
  content: counter(vn, decimal-leading-zero);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}
.version-timeline > li::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 9px;
  height: 9px;
  margin-top: -5px;
  background: var(--orange);
  border-radius: 50%;
}

/* ---------- 17. 双栏结果 ---------- */
.split-result {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.split-result > * {
  min-width: 0;
  padding: clamp(16px, 2vw, 24px);
  background: var(--panel);
}

/* ---------- 18. 筛选条 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--sand);
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}
.filter-chip:hover { border-color: var(--orange); color: var(--white); }
.filter-chip[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink-deep);
  font-weight: 700;
}

/* ---------- 19. 状态与动效 ---------- */
.is-hit {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ---------- 20. 响应式 ---------- */
@media (max-width: 1240px) {
  .header-version { display: none; }
}

@media (max-width: 1080px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 90;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - var(--header-h));
    margin: 0;
    padding: 8px clamp(14px, 4vw, 32px) 26px;
    overflow-y: auto;
    background: var(--panel);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 28px 48px rgba(0, 0, 0, .5);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s linear;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

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

  .nav-link {
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--rule);
  }
  .nav-link::after {
    left: 0;
    right: auto;
    bottom: -1px;
    width: 36px;
  }

  .nav-action {
    margin-top: 18px;
    padding: 14px;
    justify-content: center;
  }

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

@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .split-result { grid-template-columns: minmax(0, 1fr); }
  .footer-base-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .brand-line { display: none; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .score-card { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); }
  .footer-contact-row { grid-template-columns: 34px minmax(0, 1fr); }
}

/* ---------- 21. 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-progress { display: none; }
}