/* ===== OB体育入口 共享样式 /assets/site.css ===== */

/* --- reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* --- 变量：自然矿物色 + 夜间球场语义 --- */
:root {
  --c-pitch: #0B1F1A;      /* 场灯墨绿 主背景 */
  --c-carbon: #121312;     /* 炭黑分区 */
  --c-moss: #25402F;       /* 苔绿表面 */
  --c-rock: #7C8A80;       /* 岩灰描边 */
  --c-cream: #F3EFE4;      /* 米白正文 */
  --c-signal: #FF6A18;     /* 信号橙 行动 */
  --c-terra: #C2431A;      /* 陶土橙 悬停 */
  --c-verify: #4FD3C4;     /* 校验冷青 */
  --c-pending: #2A5A57;    /* 待核对雾青 */
  --c-season: #D9A441;     /* 赛季金 */

  --line: rgba(124, 138, 128, 0.34);
  --line-strong: rgba(124, 138, 128, 0.62);
  --raise: rgba(243, 239, 228, 0.04);

  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-cn: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;

  --step-0: 1.0625rem;
  --step--1: 0.8125rem;
  --step-1: clamp(1.25rem, 2.2vw, 1.6rem);
  --step-2: clamp(1.75rem, 4.4vw, 3.5rem);
  --score: clamp(2.5rem, 8vw, 7rem);

  --gap: clamp(16px, 2vw, 32px);
  --pad-x: clamp(16px, 4vw, 48px);
  --maxw: 1320px;
  --radius: 14px;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --dur: 220ms;
}

/* --- 基础排版 --- */
body {
  background: var(--c-pitch);
  color: var(--c-cream);
  font-family: var(--font-cn);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.005em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
h1, h2, h3, h4 { font-weight: 900; line-height: 1.18; letter-spacing: -0.01em; font-stretch: 92%; }
h1 { font-size: var(--step-2); }
h2 { font-size: var(--step-1); }
h3 { font-size: 1.125rem; font-weight: 800; }
p { max-width: 68ch; }
strong { font-weight: 800; }
::selection { background: var(--c-signal); color: #16110C; }

a:focus-visible, button:focus-visible, [tabindex]:focus-visible, select:focus-visible, input:focus-visible {
  outline: 2px solid var(--c-signal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- 容器与刻度 --- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad-x); }
.skip-link {
  position: absolute; left: var(--pad-x); top: -60px; z-index: 90;
  background: var(--c-signal); color: #16110C; padding: 10px 18px;
  font-size: var(--step--1); font-weight: 700; border-radius: 0 0 10px 10px;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 0; }

.rule {
  height: 1px; border: 0;
  background: linear-gradient(90deg, var(--c-rock) 0%, var(--c-signal) 28%, var(--line) 60%, transparent 100%);
  margin-block: clamp(24px, 4vw, 48px);
  opacity: 0.8;
}

/* --- 页头：上层品牌带 --- */
.site-header { position: relative; z-index: 60; }
.brandbar { background: var(--c-carbon); border-bottom: 1px solid var(--line); }
.brandbar__inner {
  max-width: var(--maxw); margin-inline: auto; padding: 10px var(--pad-x);
  display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between;
}
.brandbar__sig {
  display: flex; align-items: center; gap: 10px;
  font-size: var(--step--1); color: var(--c-rock); letter-spacing: 0.02em; margin: 0;
}
.brandbar__dot {
  width: 8px; height: 8px; background: var(--c-verify); border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(79, 211, 196, 0.16);
}
.brandbar__links { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; font-size: var(--step--1); }
.brandbar__links a { color: var(--c-rock); border-bottom: 1px solid transparent; padding-bottom: 1px; transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.brandbar__links a:hover { color: var(--c-cream); border-color: var(--c-rock); }
.brandbar__switch {
  color: var(--c-signal) !important; font-weight: 700;
  border: 1px solid rgba(255, 106, 24, 0.5); border-radius: 999px;
  padding: 4px 14px !important;
}
.brandbar__switch:hover { background: var(--c-signal); color: #16110C !important; border-color: var(--c-signal); }

/* --- 页头：下层主栏目导航 --- */
.masthead { background: var(--c-pitch); border-bottom: 1px solid var(--line); }
.masthead__inner {
  max-width: var(--maxw); margin-inline: auto; padding: 0 var(--pad-x);
  display: flex; align-items: center; gap: var(--gap); min-height: 66px;
}
.masthead__brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.masthead__mark {
  font-family: var(--font-mono); font-weight: 700; font-size: 1rem; letter-spacing: 0.02em;
  background: var(--c-moss); color: var(--c-signal);
  border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 6px 10px;
}
.masthead__name { font-weight: 800; font-size: 1.0625rem; letter-spacing: -0.01em; white-space: nowrap; }

.nav { flex: 1 1 auto; min-width: 0; }
.nav__list {
  display: flex; align-items: stretch; gap: clamp(4px, 1.4vw, 22px);
  overflow-x: auto; scrollbar-width: none;
}
.nav__list::-webkit-scrollbar { display: none; }
.nav__link {
  position: relative; display: block; white-space: nowrap;
  padding: 22px 2px 20px;
  font-size: 0.9375rem; font-weight: 600; color: var(--c-rock);
  transition: color var(--dur) var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 12px;
  width: 0; height: 3px; background: var(--c-signal);
  transition: width var(--dur) var(--ease);
}
.nav__link:hover { color: var(--c-cream); }
.nav__link:hover::after { width: 100%; background: var(--c-rock); }
.nav__link[aria-current="page"] { color: var(--c-cream); }
.nav__link[aria-current="page"]::after { width: 100%; background: var(--c-signal); }

.nav__toggle {
  display: none; align-items: center; gap: 8px; flex: 0 0 auto;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 8px 16px; font-size: var(--step--1); font-weight: 700; color: var(--c-cream);
  background: var(--c-carbon);
}
.nav__toggle-bar { width: 16px; height: 2px; background: var(--c-signal); box-shadow: 0 -5px 0 var(--c-signal), 0 5px 0 var(--c-signal); }

/* --- 按钮 --- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 24px; border-radius: 999px;
  font-size: 0.9375rem; font-weight: 700; letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn--signal { background: var(--c-signal); color: #16110C; }
.btn--signal:hover { background: var(--c-terra); color: var(--c-cream); }
.btn--ghost { background: transparent; color: var(--c-cream); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--c-verify); color: var(--c-verify); }
.btn:active { transform: translateY(1px); }

/* --- 面包屑 --- */
.crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: var(--step--1); color: var(--c-rock); }
.crumb__item { display: inline-flex; align-items: center; gap: 8px; }
.crumb__item::after { content: "/"; color: var(--line-strong); }
.crumb__item:last-child::after { content: ""; }
.crumb a { color: var(--c-verify); border-bottom: 1px solid rgba(79, 211, 196, 0.4); }
.crumb a:hover { color: var(--c-cream); border-color: var(--c-cream); }
.crumb [aria-current="page"] { color: var(--c-cream); }

/* --- 正文容器 --- */
.prose > * + * { margin-top: 1.2em; }
.lede { font-size: clamp(1.0625rem, 1.7vw, 1.25rem); line-height: 1.7; color: var(--c-cream); max-width: 62ch; }
.lede::before {
  content: ""; display: block; width: 56px; height: 3px; background: var(--c-signal);
  margin-bottom: 18px;
}
.note { font-size: var(--step--1); color: var(--c-rock); line-height: 1.6; }
.note--verify { color: var(--c-verify); }
.caption { font-size: var(--step--1); color: var(--c-rock); line-height: 1.6; }

/* --- 数据区块右上角归档口径 --- */
.dateline {
  display: block; text-align: right; font-size: var(--step--1);
  color: var(--c-rock); font-family: var(--font-mono); letter-spacing: 0.02em;
  border-top: 1px dashed var(--line); padding-top: 8px;
}

/* --- 状态标签 --- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; letter-spacing: 0.08em; font-weight: 700;
  padding: 3px 10px; border-radius: 999px; border: 1px solid transparent;
}
.badge--verified { background: rgba(79, 211, 196, 0.14); color: var(--c-verify); border-color: rgba(79, 211, 196, 0.45); }
.badge--pending { background: var(--c-pending); color: var(--c-cream); border-color: rgba(42, 90, 87, 0.9); }

/* --- 折叠面板 --- */
.panel { background: var(--c-moss); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.panel__head {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  text-align: left; padding: 16px 20px; font-weight: 700; font-size: 1rem; color: var(--c-cream);
}
.panel__head::after {
  content: "+"; font-family: var(--font-mono); color: var(--c-signal); font-size: 1.25rem;
  transition: transform var(--dur) var(--ease);
}
.panel[data-collapsed="false"] .panel__head::after, .panel__head[aria-expanded="true"]::after { transform: rotate(45deg); }
.panel__body { padding: 0 20px 20px; color: var(--c-cream); font-size: 0.9375rem; }
.panel[data-collapsed="true"] .panel__body, .panel__body[hidden] { display: none; }

/* --- 标签页 --- */
.tabs { border-top: 1px solid var(--line); padding-top: 18px; }
.tabs__list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.tabs__btn {
  font-size: 12px; letter-spacing: 0.08em; font-weight: 700;
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--c-rock);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.tabs__btn:hover { color: var(--c-cream); border-color: var(--c-cream); }
.tabs__btn[aria-selected="true"] { background: var(--c-signal); color: #16110C; border-color: var(--c-signal); }
.tabs__panel[hidden] { display: none; }
.tabs__panel { animation: rise var(--dur) var(--ease) both; }

/* --- 栅格 --- */
.grid { display: grid; gap: var(--gap); }
.grid--split { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); }
.grid--5-7 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* --- 图片容器基础规则（页面阶段放置占位） --- */
.media {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: linear-gradient(150deg, var(--c-moss) 0%, var(--c-carbon) 100%);
  border: 1px solid var(--line); aspect-ratio: 16 / 10;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media > img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.78) contrast(1.06); }
.media__caption { margin-top: 10px; font-size: var(--step--1); color: var(--c-rock); }
.media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(90deg, rgba(243, 239, 228, 0.05) 0 1px, transparent 1px 64px);
}

/* --- 横向溢出表 --- */
.scroll-x { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--c-carbon); }
.scroll-x table { min-width: 720px; }
.scroll-x th, .scroll-x td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 0.9375rem; }
.scroll-x thead th { font-size: 12px; letter-spacing: 0.08em; color: var(--c-rock); background: var(--c-moss); }
.scroll-x__col { position: sticky; left: 0; background: var(--c-moss); font-family: var(--font-mono); font-weight: 600; }
.scroll-x tbody tr:hover td { background: var(--raise); }

/* --- 记分牌数字块 --- */
.stat { border-left: 3px solid var(--c-signal); padding-left: 16px; }
.stat__num { display: block; font-family: var(--font-mono); font-weight: 600; font-size: var(--score); letter-spacing: -0.02em; line-height: 1; color: var(--c-cream); }
.stat__label { display: block; margin-top: 8px; font-size: 12px; letter-spacing: 0.08em; color: var(--c-rock); }

/* --- 页脚 --- */
.site-footer { background: var(--c-carbon); color: var(--c-cream); margin-top: clamp(48px, 8vw, 96px); border-top: 3px solid var(--c-signal); }
.footer__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap); padding-block: clamp(36px, 5vw, 64px); }
.footer__col { min-width: 0; }
.footer__title { font-size: 12px; letter-spacing: 0.08em; color: var(--c-signal); font-weight: 800; margin-bottom: 16px; }
.footer__list { display: grid; gap: 9px; font-size: 0.9375rem; }
.footer__list a { color: var(--c-cream); border-bottom: 1px solid transparent; transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.footer__list a:hover { color: var(--c-verify); border-color: rgba(79, 211, 196, 0.5); }
.footer__list--plain { color: var(--c-rock); }
.footer__text { font-size: var(--step--1); color: var(--c-rock); line-height: 1.7; max-width: 34ch; }
.footer__text + .footer__text { margin-top: 10px; }
.footer__stamp { margin-top: 14px; font-family: var(--font-mono); font-size: var(--step--1); color: var(--c-verify); }
.footer__meta { border-top: 1px solid var(--line); background: #0D0E0D; }
.footer__meta-inner { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; align-items: center; padding-block: 16px; }
.footer__brand { font-size: var(--step--1); color: var(--c-rock); }
.footer__legal { font-size: var(--step--1); color: var(--c-rock); }

/* --- 返回顶部 --- */
.to-top {
  position: fixed; right: clamp(14px, 3vw, 32px); bottom: clamp(14px, 3vw, 32px); z-index: 70;
  padding: 10px 18px; border-radius: 999px;
  background: var(--c-carbon); color: var(--c-cream); border: 1px solid var(--c-signal);
  font-size: 12px; letter-spacing: 0.08em; font-weight: 700;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease), background var(--dur) var(--ease);
}
.to-top[data-visible="true"] { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--c-signal); color: #16110C; }

/* --- 动效工具类 --- */
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
[data-reveal] { opacity: 0; transform: translateY(10px); transition: opacity 420ms var(--ease), transform 420ms var(--ease); }
[data-reveal][data-revealed="true"] { opacity: 1; transform: none; }

/* --- 响应式 --- */
@media (max-width: 1024px) {
  .grid--split, .grid--5-7 { grid-template-columns: minmax(0, 1fr); }
  .grid--thirds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .nav__toggle { display: inline-flex; }
  .masthead__inner { flex-wrap: wrap; padding-block: 12px; gap: 12px; }
  .nav {
    flex: 1 0 100%; order: 3;
    max-height: 0; overflow: hidden;
    transition: max-height var(--dur) var(--ease);
  }
  .nav[data-open="true"] { max-height: 460px; }
  .nav__list { flex-direction: column; gap: 0; overflow: visible; border-top: 1px solid var(--line); }
  .nav__link { padding: 14px 4px; font-size: 1rem; }
  .nav__link::after { bottom: 6px; height: 2px; }
  .grid--thirds, .grid--halves { grid-template-columns: minmax(0, 1fr); }
  .footer__grid { grid-template-columns: minmax(0, 1fr); padding-block: 32px; }
  .brandbar__inner { padding-block: 8px; }
  .to-top { padding: 9px 14px; }
}

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