/* ==========================================================================
   博澳体育 · 共享样式表 /assets/site.css
   深夜赛场 · 编号长卷 · 记分牌数据体系
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background-color: #0A1030;
  color: #F3EEE3;
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-style: normal;
  text-wrap: balance;
}

p { margin: 0 0 1.2em; }
p:last-child { margin-bottom: 0; }

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border-radius: 0;
}

a { color: #26F2E2; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

hr { border: 0; margin: 0; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink-950: #0A1030;
  --ink-900: #131B4A;
  --ink-800: #1E2860;
  --paper: #F3EEE3;
  --ink-deep: #0B0E1C;
  --cyan: #26F2E2;
  --cyan-deep: #0E8F8A;
  --orange: #FF8A21;
  --magenta: #D9316F;
  --steel: #A7B3DA;
  --green: #3FE08C;

  --line: rgba(167, 179, 218, 0.26);
  --line-soft: rgba(167, 179, 218, 0.14);
  --line-strong: rgba(38, 242, 226, 0.34);

  --maxw: 1280px;
  --gutter: 24px;
  --header-h: 78px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (max-width: 960px) {
  :root { --header-h: 66px; --gutter: 18px; }
}

/* ---------- 3. 无障碍与焦点 ---------- */
:focus-visible {
  outline: 2px solid #26F2E2;
  outline-offset: 3px;
}

.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: absolute;
  top: -80px;
  left: var(--gutter);
  z-index: 300;
  display: inline-block;
  padding: 12px 20px;
  background-color: var(--cyan);
  color: #08122A;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 12px;
  text-decoration: none;
}

/* ---------- 4. 排版工具 ---------- */
.mono,
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0.01em;
}

.label {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.label-muted { color: var(--steel); }

.note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  border-left: 2px solid var(--cyan);
  padding-left: 12px;
}

.chapter-no {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 96px;
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: rgba(38, 242, 226, 0.16);
  user-select: none;
}

@media (max-width: 600px) {
  .chapter-no { font-size: 60px; }
}

/* ---------- 5. 容器与网格 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.wrap-wide {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .grid { grid-template-columns: minmax(0, 1fr); }
}

#main-content { padding-top: var(--header-h); }

.section {
  padding: 96px 0;
  border-top: 1px solid var(--line);
}

.section:first-child { border-top: 0; }

@media (max-width: 600px) {
  .section { padding: 64px 0; }
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 48px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.12;
}

.band {
  height: 12px;
  background-color: var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.rule {
  height: 1px;
  background-color: var(--line);
  border: 0;
}

.rule-cyan {
  height: 1px;
  border: 0;
  background-image: linear-gradient(90deg, #26F2E2 0%, rgba(38, 242, 226, 0) 100%);
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  background-color: transparent;
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background-color: var(--orange);
  color: #10122A;
  border-color: var(--orange);
}

.btn-primary:hover {
  background-color: #FFA24D;
  border-color: #FFA24D;
  color: #10122A;
}

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

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

.btn-cyan {
  background-color: var(--cyan);
  color: #08122A;
  border-color: var(--cyan);
}

.btn-cyan:hover {
  background-color: #64F6EA;
  border-color: #64F6EA;
  color: #08122A;
}

.btn-sm { padding: 9px 16px; font-size: 13px; }

/* ---------- 7. 页头 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.32s var(--ease), border-color 0.32s var(--ease);
}

.site-header[data-scrolled] {
  background-color: rgba(10, 16, 48, 0.96);
  border-bottom-color: var(--line-strong);
}

.header-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--cyan);
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

.header-inner {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 28px;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter);
  transition: padding 0.32s var(--ease);
}

.site-header[data-scrolled] .header-inner {
  padding-top: 12px;
  padding-bottom: 12px;
}

/* 品牌 */
.brand {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-right: auto;
  color: var(--paper);
  text-decoration: none;
}

.brand:hover { text-decoration: none; }

.brand-name {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.brand-sub {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--cyan);
  line-height: 1.2;
}

/* 导航 */
.primary-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 0;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--steel);
  text-decoration: none;
  transition: color 0.24s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background-color: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s var(--ease);
}

.nav-link:hover {
  color: var(--paper);
  text-decoration: none;
}

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

.nav-link[aria-current="page"] {
  color: var(--cyan);
  font-weight: 700;
}

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

.nav-aside,
.nav-cta { display: none; }

/* 右侧操作区 */
.header-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.update-badge {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  white-space: nowrap;
  line-height: 1.2;
}

@media (max-width: 1180px) {
  .update-badge { display: none; }
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: transparent;
  border: 1px solid var(--line);
  color: var(--paper);
  cursor: pointer;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

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

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background-color: currentColor;
  transition: transform 0.26s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) 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(-7px) rotate(-45deg);
}

/* 移动端遮罩 */
.nav-scrim { display: none; }

@media (max-width: 960px) {
  .nav-scrim {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background-color: rgba(6, 10, 32, 0.74);
    cursor: pointer;
  }

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

/* 移动端面板 */
@media (max-width: 960px) {
  .nav-toggle { display: flex; }
  .header-cta { display: none; }

  .brand-sub { letter-spacing: 0.14em; }

  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    display: block;
    width: min(86vw, 360px);
    padding: calc(var(--header-h) + 26px) 26px 40px;
    background-color: var(--ink-900);
    border-left: 1px solid var(--line-strong);
    overflow-y: auto;
    transform: translateX(101%);
    transition: transform 0.32s var(--ease);
  }

  .primary-nav[data-open] { transform: translateX(0); }

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

  .nav-list > li { border-bottom: 1px solid var(--line); }

  .nav-link {
    display: block;
    padding: 16px 0;
    font-size: 19px;
    font-weight: 800;
    color: var(--paper);
  }

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

  .nav-aside {
    display: block;
    margin: 28px 0 0;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--cyan);
  }

  .nav-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 28px;
  }

  .nav-cta .btn { width: 100%; padding: 14px 20px; }
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  margin-top: 112px;
  background-color: var(--ink-900);
  border-top: 1px solid var(--line-strong);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 40px 32px;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 72px var(--gutter) 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 34ch;
}

.footer-logo {
  margin: 0;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--paper);
}

.footer-domain {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.footer-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
}

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

.footer-title {
  margin: 0 0 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--steel);
  line-height: 1.4;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-list a {
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  opacity: 0.82;
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease);
}

.footer-list a:hover {
  opacity: 1;
  color: var(--cyan);
  text-decoration: none;
}

.footer-meta {
  border-top: 1px solid var(--line);
}

.footer-meta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 32px;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px var(--gutter) 40px;
}

.footer-contact,
.footer-legal {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.footer-contact .mono,
.footer-legal .mono { color: var(--paper); }

.footer-sep {
  display: inline-block;
  margin: 0 10px;
  color: var(--line);
}

@media (max-width: 900px) {
  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-top: 56px;
  }

  .footer-brand { grid-column: 1 / -1; max-width: none; }
}

@media (max-width: 560px) {
  .footer-inner { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .site-footer { margin-top: 72px; }
}

/* ---------- 9. 通用组件 ---------- */
.card {
  position: relative;
  padding: 24px;
  background-color: var(--ink-800);
  border: 1px solid var(--line);
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.card:hover {
  border-color: var(--line-strong);
  background-color: #223070;
  text-decoration: none;
}

.tag {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid currentColor;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1.3;
  color: var(--steel);
}

.tag-cyan { color: var(--cyan); }
.tag-orange { color: var(--orange); }
.tag-magenta { color: var(--magenta); }
.tag-green { color: var(--green); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.status::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  background-color: currentColor;
  flex: 0 0 auto;
}

.status-soon { color: var(--magenta); }
.status-ok { color: var(--green); }

.paper {
  background-color: var(--paper);
  color: var(--ink-deep);
  padding: 40px;
}

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

.paper a { color: var(--cyan-deep); }

.paper .rule { background-color: rgba(11, 14, 28, 0.14); }

.paper .note {
  color: rgba(11, 14, 28, 0.72);
  border-left-color: var(--cyan-deep);
}

.paper .label { color: var(--cyan-deep); }

@media (max-width: 600px) {
  .paper { padding: 24px; }
}

.prose { max-width: 68ch; }
.prose p { margin: 0 0 1.2em; }
.prose p:last-child { margin-bottom: 0; }

/* 面包屑 */
.breadcrumb {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb li::after {
  content: "/";
  color: rgba(167, 179, 218, 0.5);
}

.breadcrumb li:last-child::after { content: ""; }

.breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.paper .breadcrumb,
.paper .breadcrumb a { color: rgba(11, 14, 28, 0.62); }

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

/* 时间轴 */
.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background-color: var(--line);
}

.timeline-item {
  position: relative;
  padding-bottom: 34px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 8px;
  width: 11px;
  height: 11px;
  background-color: var(--ink-950);
  border: 2px solid var(--steel);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.timeline-item[aria-current="true"]::before {
  border-color: var(--cyan);
  background-color: var(--cyan);
  transform: scale(1.15);
}

.timeline-item[aria-current="true"] .timeline-label { color: var(--cyan); }

.timeline-label {
  display: block;
  font-size: 14px;
  color: var(--steel);
  text-decoration: none;
  transition: color 0.24s var(--ease);
}

.timeline-label:hover { color: var(--paper); text-decoration: none; }

/* 图片容器 */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background-color: var(--ink-800);
  border: 1px solid var(--line);
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06) brightness(0.9) hue-rotate(-6deg);
}

.media-4x3 { aspect-ratio: 4 / 3; }
.media-16x9 { aspect-ratio: 16 / 9; }
.media-1x1 { aspect-ratio: 1 / 1; }
.media-3x4 { aspect-ratio: 3 / 4; }
.media-21x9 { aspect-ratio: 21 / 9; }

.media-caption {
  margin-top: 8px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel);
}

/* 显现动效 */
html[data-js="on"] [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}

html[data-js="on"] [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 10. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  html[data-js="on"] [data-reveal],
  html[data-js="on"] [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }

  .header-progress { display: block; }
}