/* =========================================================
   /assets/site.css — 半岛体育看台 共享样式
   雾青墨骨架 / 纸面卡片 / 粗边框硬投影 / 等宽数字
   ========================================================= */

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 170px;
}

body { margin: 0; }

h1, h2, h3, h4, h5, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: var(--green); }
button { font: inherit; color: inherit; background: none; border: 0; }
table { border-collapse: collapse; width: 100%; }

/* ---------- tokens ---------- */
:root {
  --ink: #1E2B28;
  --ink-2: #33463F;
  --moss: #5F776E;
  --mist: #C9D6CE;
  --paper-bg: #EEF3EF;
  --paper: #FAF9F4;
  --green: #3F7A4E;
  --green-deep: #2C5A38;
  --green-lite: #9BC3A4;
  --amber: #D9982F;
  --clay: #B85C43;

  --font-head: "PingFang SC", "Noto Sans SC", "Source Han Sans SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "PingFang SC", "Noto Sans SC", "Source Han Sans SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular",
    Menlo, Consolas, "Courier New", monospace;

  --wrap-max: 1200px;
  --wrap-pad: clamp(16px, 4vw, 44px);
  --hard-shadow: 6px 6px 0 var(--ink);
  --soft-shadow: 4px 4px 0 var(--mist);
  --line: 2px solid var(--ink);
}

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

/* ---------- 基础排版 ---------- */
body {
  background: var(--paper-bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 450;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ink);
  font-stretch: 90%;
}

a { text-decoration-thickness: 2px; text-underline-offset: 3px; }

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

#main-content { display: block; outline: none; }
#main-content:focus-visible { outline: 3px solid var(--amber); outline-offset: -3px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 容器 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding-left: var(--wrap-pad);
  padding-right: var(--wrap-pad);
}

/* =========================================================
   页头
   ========================================================= */
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 130;
  padding: 10px 20px;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--amber);
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .1em;
  text-decoration: none;
  transition: top .18s ease;
}
.skip-link:focus { top: 14px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 3px solid var(--ink);
}

/* --- 命令条 --- */
.header-bar {
  background: var(--ink);
  color: var(--paper);
}

.header-bar__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 78px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--paper);
  text-decoration: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: var(--green);
  color: var(--paper);
  border: 2px solid var(--mist);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.35rem;
  line-height: 1;
}

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

.brand__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.16rem;
  letter-spacing: .04em;
}

.brand__tag {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .2em;
  color: var(--green-lite);
}

.header-quick {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid rgba(201, 214, 206, .38);
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.quick-link:hover,
.quick-link:focus-visible {
  background: var(--ink-2);
  color: var(--paper);
  border-color: var(--mist);
}

.quick-link--cta {
  background: var(--green);
  color: var(--paper);
  border-color: var(--green);
  font-weight: 600;
}
.quick-link--cta:hover,
.quick-link--cta:focus-visible {
  background: var(--green-lite);
  color: var(--ink);
  border-color: var(--green-lite);
}

/* --- 移动开关 --- */
.nav-toggle {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  background: transparent;
  color: var(--paper);
  border: 2px solid var(--mist);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
}
.nav-toggle:hover { background: var(--ink-2); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] {
  border-color: var(--amber);
  color: var(--amber);
}

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

/* --- 目录索引条 --- */
.site-nav {
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
}

.site-nav__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
}

.nav-list li { display: flex; }

.nav-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 16px;
  color: var(--ink-2);
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: .95rem;
  border-left: 1px solid var(--mist);
  transition: background .16s ease, color .16s ease;
}
.nav-list li:first-child a { border-left: 0; }

.nav-list a:hover { background: var(--mist); color: var(--ink); }

.nav-idx {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .04em;
  color: var(--moss);
}

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

.nav-list a[aria-current="page"] {
  background: var(--ink-2);
  color: var(--paper);
  box-shadow: inset 0 -3px 0 var(--amber);
}
.nav-list a[aria-current="page"] .nav-idx { color: var(--amber); }
.nav-list a[aria-current="page"]:hover { background: var(--ink-2); color: var(--paper); }

.nav-status {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 18px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--moss);
  white-space: nowrap;
}
.nav-status__key::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  background: var(--green);
  vertical-align: 1px;
}
.nav-status__val { color: var(--ink); font-weight: 600; }

/* --- 滚动刻度 --- */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 3px;
  overflow: hidden;
  pointer-events: none;
}
.scroll-meter__fill {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--clay);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--paper);
  border-top: 3px solid var(--ink);
  color: var(--ink);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(34px, 5vw, 62px);
  padding-bottom: clamp(30px, 4vw, 52px);
}

.footer-brand__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.footer-brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.1rem;
  line-height: 1;
}

.footer-brand__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.08rem;
  letter-spacing: .04em;
}

.footer-summary {
  margin-top: 14px;
  max-width: 34ch;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--ink-2);
}

.footer-stamp {
  margin-top: 16px;
  padding-left: 10px;
  border-left: 3px solid var(--green-lite);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--moss);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.footer-col__title {
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--mist);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--moss);
}

.footer-links li + li { margin-top: 8px; }

.footer-links a {
  display: inline-block;
  padding-bottom: 1px;
  font-size: .93rem;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

.contact-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  margin: 0;
  font-size: .88rem;
  line-height: 1.6;
}
.contact-list dt {
  padding-top: .22em;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--moss);
}
.contact-list dd {
  margin: 0;
  color: var(--ink-2);
  overflow-wrap: anywhere;
}

.contact-note {
  margin-top: 12px;
  padding-left: 10px;
  border-left: 3px solid var(--clay);
  font-size: .78rem;
  line-height: 1.6;
  color: var(--moss);
}

.footer-legal {
  background: var(--mist);
  border-top: 2px solid var(--ink);
}

.footer-legal__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.footer-legal__copy {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--ink-2);
}

.footer-legal__meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--moss);
}

/* =========================================================
   通用组件
   ========================================================= */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--moss);
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumbs li + li::before {
  content: "/";
  color: var(--mist);
}
.breadcrumbs a { color: var(--moss); text-decoration: none; }
.breadcrumbs a:hover { color: var(--green); }
.breadcrumbs [aria-current="page"] { color: var(--ink); font-weight: 600; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--moss);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--amber);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 24px;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--ink);
  margin-bottom: clamp(20px, 3vw, 36px);
}
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.15;
}

.side-note {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .28em;
  color: var(--moss);
}

.rule {
  border: 0;
  border-top: 2px solid var(--mist);
  margin: clamp(26px, 4vw, 46px) 0;
}

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .03em;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease, color .16s ease;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }

.btn--primary { background: var(--green); color: var(--paper); }
.btn--primary:hover { background: var(--green-deep); }
.btn--clay { background: var(--clay); color: var(--paper); }
.btn--clay:hover { background: #A24E37; }
.btn--ghost { background: transparent; }

/* --- 网格 --- */
.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}
.grid--split { grid-template-columns: 7fr 5fr; }
.grid--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* --- 卡片 --- */
.card {
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--hard-shadow);
  padding: clamp(18px, 2.4vw, 28px);
}
.card--mist { background: var(--mist); }
.card--flush { padding: 0; overflow: hidden; }

.card__label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--moss);
}

.card__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: 1.1;
}

/* --- 标签 --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  line-height: 1.5;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
}
.tag--green { background: var(--green-lite); }
.tag--amber { background: var(--amber); }
.tag--clay { background: var(--clay); color: var(--paper); }

/* --- 图片容器（页面阶段投放 <img>） --- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--mist);
  border: var(--line);
  box-shadow: var(--soft-shadow);
}
.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.02);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

/* --- 横向刻度条 --- */
.scale-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--moss);
}
.scale-bar__track {
  position: relative;
  flex: 1 1 auto;
  height: 10px;
  background: var(--mist);
  border: 1px solid var(--ink);
}
.scale-bar__fill {
  display: block;
  height: 100%;
  background: var(--green);
}
.scale-bar__fill--amber { background: var(--amber); }

/* --- 表格 --- */
.data-table {
  width: 100%;
  font-size: .92rem;
  line-height: 1.6;
}
.data-table th,
.data-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--mist);
}
.data-table thead th {
  background: var(--ink-2);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
}
.data-table tbody tr { transition: background .16s ease; }
.data-table tbody tr:hover { background: var(--mist); }
.num {
  font-family: var(--font-mono);
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}

/* --- 索引目录 --- */
.index-list {
  counter-reset: idx;
  border-top: 2px solid var(--ink);
}
.index-list li {
  counter-increment: idx;
  border-bottom: 1px solid var(--mist);
}
.index-list a {
  display: flex;
  gap: 14px;
  padding: 14px 6px;
  color: var(--ink-2);
  text-decoration: none;
  transition: background .16s ease, padding-left .16s ease, color .16s ease;
}
.index-list a::before {
  content: counter(idx, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--moss);
  padding-top: .38em;
}
.index-list a:hover,
.index-list a:focus-visible {
  background: var(--paper);
  padding-left: 14px;
  color: var(--ink);
}

/* --- 提示块 --- */
.callout {
  padding: 14px 18px;
  border-left: 4px solid var(--clay);
  background: rgba(184, 92, 67, .09);
  font-size: .92rem;
  line-height: 1.7;
  color: var(--ink-2);
}
.callout--amber {
  border-left-color: var(--amber);
  background: rgba(217, 152, 47, .14);
}
.callout--green {
  border-left-color: var(--green);
  background: rgba(63, 122, 78, .1);
}

/* --- 正文容器 --- */
.prose {
  max-width: 68ch;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink-2);
}
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  margin-top: 2em;
  padding-left: 14px;
  border-left: 6px solid var(--green);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.28;
}
.prose h3 {
  margin-top: 1.7em;
  font-size: 1.15rem;
  font-weight: 700;
}
.prose h3::before {
  content: "§ ";
  font-family: var(--font-mono);
  color: var(--amber);
}
.prose strong { color: var(--ink); font-weight: 700; }
.prose ul { padding-left: 0; }
.prose ul li {
  position: relative;
  padding-left: 1.2em;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: .6em;
  height: 2px;
  background: var(--green-lite);
}
.prose ol {
  list-style: decimal;
  padding-left: 1.5em;
}
.prose ol li::marker {
  font-family: var(--font-mono);
  color: var(--moss);
}
.prose a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.prose blockquote {
  padding: 2px 0 2px 16px;
  border-left: 4px solid var(--amber);
  color: var(--ink);
  font-weight: 500;
}
.prose .data-table { margin-top: 1.4em; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  .brand__tag { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .grid--split,
  .grid--even,
  .grid--three { grid-template-columns: minmax(0, 1fr); }
  .media-frame--tall { aspect-ratio: 4 / 3; }
  .media-frame--wide { aspect-ratio: 16 / 9; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 120px; }

  .header-bar__inner { min-height: 68px; gap: 12px; }
  .header-quick { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    display: none;
    border-top: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
  }
  .site-nav[data-open="true"] { display: block; }

  .site-nav__inner {
    flex-direction: column;
    align-items: stretch;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding-left: 0;
    padding-right: 0;
  }

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

  .nav-list a {
    padding: 14px var(--wrap-pad);
    border-left: 0;
    border-top: 1px solid var(--mist);
    font-size: 1rem;
  }
  .nav-list li:first-child a { border-top: 0; }
  .nav-list a[aria-current="page"] {
    box-shadow: inset 4px 0 0 var(--amber);
  }

  .nav-status {
    margin: 0;
    padding: 12px var(--wrap-pad);
    border-top: 2px solid var(--ink);
    background: var(--mist);
  }

  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-contact { grid-column: auto; }
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .brand__mark { width: 40px; height: 40px; font-size: 1.15rem; }
  .brand__name { font-size: 1.02rem; }
  .footer-cols { grid-template-columns: 1fr; }
  .footer-legal__inner { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .btn:hover,
  .btn:active { transform: none; }
  .scroll-meter__fill { transition: none !important; }
}