/* ============================================================
   欧巴体育 / OUBA SPORTS — 共享站点样式表 /assets/site.css
   夜场墨绿底 · 荧光青柠行动 · 琥珀金价格 · 锐角细线网格
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root {
  --ink: #071E19;
  --ink-deep: #0A0C0B;
  --panel: #0F332A;
  --paper: #F3F6EA;
  --paper-warm: #E7EEDF;
  --lime: #B8FF3D;
  --lime-hover: #CDFF72;
  --amber: #F3B84A;
  --line: #29483E;
  --muted: #8FA49A;
  --alert: #FF6B5A;
  --body-soft: #DCE6D6;

  --font-display: "Barlow Condensed", "Oswald", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

  --step-0: clamp(15px, 1vw, 17px);
  --step-1: clamp(18px, 1.5vw, 22px);
  --step-2: clamp(24px, 2.4vw, 32px);
  --step-3: clamp(32px, 4.2vw, 52px);
  --step-4: clamp(44px, 6.4vw, 84px);

  --gutter: clamp(20px, 4vw, 48px);
  --wrap: 1280px;
  --rule: 1px solid var(--line);
  --dur: 200ms;
  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 2. Reset 与中文排版底座 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
  text-underline-offset: 3px;
}

body {
  margin: 0;
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .5em;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: .005em;
  color: var(--paper);
}
h1 { font-size: var(--step-4); letter-spacing: -.012em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

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

ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

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

a { color: inherit; }

button { font: inherit; }

hr { border: 0; border-top: var(--rule); margin: 0; }

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

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

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 3. 通用工具 ---------- */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 860px; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.hairline {
  border: 0;
  border-top: var(--rule);
  margin: clamp(20px, 3vw, 36px) 0;
}

.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;
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 18px;
  background: var(--lime);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--paper);
  outline-offset: 3px;
}

/* ============================================================
   5. 头部
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  border-bottom: var(--rule);
  color: var(--paper);
}

/* 上层信息带 */
.header-strip {
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
  max-height: 44px;
  overflow: hidden;
  transition: max-height 220ms var(--ease), opacity 180ms var(--ease);
}
.site-header[data-scrolled] .header-strip {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}
.header-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 36px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
  font-size: 13px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
}
.brand__mark {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1.4;
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--muted);
  text-transform: uppercase;
}
.brand:hover .brand__mark { color: var(--lime); }

.header-strip__note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}
.header-strip__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--alert);
  box-shadow: 0 0 0 3px rgba(255, 107, 90, .16);
}

/* 下层栏目带 */
.header-bar { background: var(--ink); }
.header-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-nav__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav__item { margin: 0; }
.site-nav__link {
  position: relative;
  display: block;
  padding: 10px 14px;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 180ms var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms var(--ease);
}
.site-nav__link:hover { color: var(--lime); }
.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--lime); font-weight: 600; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

/* 移动开关 */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--lime); color: var(--lime); }
.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.site-header[data-open] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 阅读进度 */
.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}
.progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

/* ============================================================
   6. 按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
}
.btn--primary:hover {
  background: var(--lime-hover);
  border-color: var(--lime-hover);
  color: var(--ink);
}

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

.btn--amber {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 700;
}
.btn--amber:hover { background: #FFC968; border-color: #FFC968; color: var(--ink); }

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

/* ============================================================
   7. 页脚
   ============================================================ */
.site-footer {
  margin-top: clamp(48px, 6vw, 96px);
  background: var(--ink-deep);
  border-top: var(--rule);
  color: var(--paper);
}

.footer-top {
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(184, 255, 61, .10) 0%, rgba(184, 255, 61, 0) 58%),
    var(--ink-deep);
}
.footer-top__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(28px, 4vw, 46px) var(--gutter);
}
.footer-brand {
  margin: 0;
  max-width: 26ch;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .005em;
  color: var(--paper);
}

.footer-main { background: var(--ink-deep); }
.footer-main__inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 2fr) minmax(0, 2fr) minmax(0, 3.4fr);
  gap: clamp(24px, 3vw, 48px);
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(36px, 5vw, 64px) var(--gutter);
}

.footer-col__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lime);
}

.footer-links {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-links a {
  display: inline-block;
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-links a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
}
.contact-list__row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}
.contact-list dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}
.contact-list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.contact-list__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.footer-note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.footer-bottom { border-top: 1px solid var(--line); }
.footer-bottom__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 18px var(--gutter);
}
.footer-legal {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-legal-links a {
  font-size: 12.5px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.footer-legal-links a:hover { color: var(--lime); }

/* ============================================================
   8. 布局与章节
   ============================================================ */
.section { padding-block: clamp(40px, 6vw, 88px); }
.section + .section { border-top: var(--rule); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 32px);
}
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--lime);
}

.section-title {
  margin: 0 0 .5em;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.005em;
  color: var(--paper);
}

.lede {
  max-width: 60ch;
  margin: 0 0 1.2em;
  font-size: var(--step-1);
  line-height: 1.65;
  color: var(--body-soft);
}

.prose { max-width: 68ch; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose p,
.prose li { color: var(--body-soft); }
.prose li { margin-bottom: .4em; }
.prose a {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}
.prose strong { color: var(--paper); font-weight: 700; }

/* ============================================================
   9. 基础组件
   ============================================================ */
.breadcrumb {
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.breadcrumb a:hover { color: var(--lime); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: .06em;
  white-space: nowrap;
}
.tag--lime {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
}
.tag--amber {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 700;
}
.tag--alert {
  border-color: var(--alert);
  color: var(--alert);
}

.scorebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--panel);
  border: var(--rule);
}
.scorebar__side {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.scorebar__side--away { text-align: right; }
.scorebar__team {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}
.scorebar__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
}
.scorebar__score {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--lime);
}

.panel {
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--panel);
  border: var(--rule);
}
.panel--paper {
  background: var(--paper-warm);
  border-color: #C9D6C0;
  color: var(--ink-deep);
}
.panel--paper h2,
.panel--paper h3,
.panel--paper h4 { color: var(--ink-deep); }
.panel--paper .prose p,
.panel--paper .prose li { color: #23302A; }

.help-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  background: rgba(15, 51, 42, .55);
}
.help-strip__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
}
.help-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.help-strip__links a {
  color: var(--lime);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.help-strip__links a:hover { border-bottom-color: var(--lime); }

/* ---------- 图片容器基础规则 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--panel);
  border: var(--rule);
}
.media > img,
.media > picture,
.media > picture > img {
  display: block;
  width: 100%;
  height: 100%;
}
.media > img,
.media > picture > img {
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 30, 25, 0) 46%, rgba(7, 30, 25, .74) 100%),
    repeating-linear-gradient(90deg, rgba(184, 255, 61, .07) 0 1px, transparent 1px 25%);
}
.media--wide { aspect-ratio: 21 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--portrait { aspect-ratio: 4 / 5; }

.media__caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  z-index: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--paper);
}
.media__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

/* ---------- 渐显钩子 ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
}
.reveal-ready [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}

/* ============================================================
   10. 响应式
   ============================================================ */
@media (max-width: 1024px) {
  .header-strip__note { display: none; }
  .header-bar__inner { gap: 16px; }
  .site-nav__link { padding: 10px 10px; font-size: 14px; }
  .site-nav__link::after { left: 10px; right: 10px; }
  .col-7, .col-8, .col-9 { grid-column: span 12; }
  .col-4, .col-5 { grid-column: span 6; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .header-actions .btn--ghost { display: none; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    max-height: calc(100dvh - 108px);
    overflow-y: auto;
    padding: 6px var(--gutter) 22px;
    background: var(--ink-deep);
    border-bottom: 1px solid var(--line);
  }
  .site-header[data-open] .site-nav { display: block; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .site-nav__link {
    padding: 15px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
  }
  .site-nav__link::after {
    left: 0;
    right: auto;
    width: 26px;
    bottom: 9px;
  }

  .footer-main__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-col--contact { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .col-4, .col-5, .col-6 { grid-column: span 12; }
  .scorebar { grid-template-columns: minmax(0, 1fr); text-align: left; gap: 8px; }
  .scorebar__side--away { text-align: left; }
}

@media (max-width: 560px) {
  .header-strip__inner { min-height: 34px; }
  .brand__sub { display: none; }
  .header-actions .btn--primary { padding: 9px 14px; font-size: 13px; }
  .header-bar__inner { min-height: 58px; gap: 10px; }

  .footer-main__inner { grid-template-columns: minmax(0, 1fr); }
  .footer-col--contact { grid-column: auto; }
  .footer-top__inner { flex-direction: column; align-items: flex-start; }
  .footer-top__inner .btn { width: 100%; }
  .contact-list__row { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .help-strip { flex-direction: column; align-items: flex-start; }
}

/* ---------- 11. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .btn:hover { transform: none; }
  .reveal-ready [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .site-header[data-scrolled] .header-strip { transition: none; }
}

/* ---------- 12. 打印 ---------- */
@media print {
  .site-header,
  .site-footer .footer-top,
  .progress,
  .nav-toggle { display: none !important; }
  body { background: #fff; color: #0A0C0B; }
  a { color: #0A0C0B; }
}