/* ==========================================================================
   完美体育中心 · 共享样式表 /assets/site.css
   仅承载 reset、变量、中文排版、头部、页脚、通用组件与图片容器基础规则
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink: #061C18;
  --ink-2: #0B2E28;
  --indigo: #1B1F4B;
  --wine: #4A1226;
  --cyan: #35F2C9;
  --orange: #FF8A3D;
  --paper: #F4F7F5;
  --mist: #9FB3AC;
  --line: #24443C;
  --alert: #FF5A4E;

  --font-display: "Oswald", "Archivo Narrow", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;

  --gutter: clamp(16px, 4vw, 56px);
  --maxw: 1320px;
  --rule: 3px;
  --shadow-hard: 8px 8px 0 rgba(0, 0, 0, .45);
  --shadow-cyan: 6px 6px 0 rgba(53, 242, 201, .22);
  --ease: cubic-bezier(.16, .84, .34, 1);
}

/* ---------- 3. 基底与中文排版 ---------- */
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 620px at 88% -8%, rgba(27, 31, 75, .85), rgba(6, 28, 24, 0) 68%),
    radial-gradient(900px 520px at -6% 18%, rgba(11, 46, 40, .9), rgba(6, 28, 24, 0) 66%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: .01em;
}

h1 { font-size: clamp(32px, 5.4vw, 68px); }
h2 { font-size: clamp(26px, 3.4vw, 42px); }
h3 { font-size: clamp(20px, 2.2vw, 27px); }
h4 { font-size: clamp(17px, 1.6vw, 20px); letter-spacing: .04em; }

p { max-width: 72ch; }

.prose p { margin-bottom: 1.15em; }
.prose ul, .prose ol { list-style: disc; padding-left: 1.4em; margin-bottom: 1.15em; }
.prose li { margin-bottom: .4em; }
.prose strong { color: var(--cyan); font-weight: 700; }

.data-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}

.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--mist);
}

/* ---------- 4. 焦点与无障碍 ---------- */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -200px;
  left: var(--gutter);
  z-index: 200;
  padding: 12px 20px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .1em;
  border: var(--rule) solid var(--ink);
  transition: top .16s var(--ease);
}
.skip-link:focus-visible { top: 14px; }

/* ---------- 5. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--ink);
  border-bottom: var(--rule) solid var(--line);
  transition: background-color .2s var(--ease);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: var(--rule);
  width: var(--scroll-progress, 0%);
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width .12s linear;
}
.site-header.is-compact { background: #04150F; }

.header-frame {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter) 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: clamp(16px, 3vw, 48px);
  row-gap: 12px;
  transition: padding .2s var(--ease);
}
.site-header.is-compact .header-frame { padding-top: 9px; padding-bottom: 8px; }

/* 品牌块 */
.brand-block { grid-column: 1; grid-row: 1; min-width: 0; }

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2vw, 25px);
  letter-spacing: .06em;
  color: var(--paper);
  transition: color .16s var(--ease);
}
.brand-link:hover .brand-name { color: var(--cyan); }

.brand-divider {
  display: inline-block;
  width: 3px;
  height: 20px;
  background: var(--cyan);
  flex: 0 0 auto;
}
.brand-mark {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--mist);
}

/* 状态条 */
.status-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mist);
}
.status-item { white-space: nowrap; }
.status-item .data-num { color: var(--cyan); }
.status-sep { color: var(--line); }

.status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--cyan);
  box-shadow: 0 0 0 1px rgba(53, 242, 201, .35);
}
.status-dot--ok { background: var(--cyan); }
.status-dot--warn { background: var(--orange); box-shadow: 0 0 0 1px rgba(255, 138, 61, .35); }
.status-dot--alert { background: var(--alert); box-shadow: 0 0 0 1px rgba(255, 90, 78, .4); }

/* 移动端开关 */
.nav-toggle {
  grid-column: 2;
  grid-row: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: var(--rule) solid var(--line);
  background: var(--ink-2);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .16em;
  cursor: pointer;
  transition: border-color .16s var(--ease), color .16s var(--ease), transform .16s var(--ease), background-color .16s var(--ease);
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.nav-toggle[aria-expanded="true"] { border-color: var(--cyan); color: var(--cyan); background: var(--indigo); }
.nav-toggle-bars { display: inline-flex; flex-direction: column; gap: 3px; width: 18px; }
.nav-toggle-bars i { display: block; height: 3px; background: currentColor; }
.nav-toggle-bars i:nth-child(2) { width: 68%; }

/* 栏目块 */
.nav-block {
  grid-column: 1 / -1;
  grid-row: 2;
  display: none;
  padding-top: 12px;
  border-top: var(--rule) solid var(--line);
}
.nav-block[data-open] { display: block; }

.nav-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 4px 12px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  width: 100%;
  padding: 7px 2px 9px;
  border-bottom: var(--rule) solid transparent;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(14px, 1.1vw, 17px);
  letter-spacing: .05em;
  color: var(--paper);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.nav-index {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
  transition: color .16s var(--ease);
}
.nav-link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.nav-link:hover .nav-index { color: var(--cyan); }
.nav-link[aria-current="page"] { color: var(--cyan); border-bottom-color: var(--orange); }
.nav-link[aria-current="page"] .nav-index { color: var(--orange); }

@media (min-width: 900px) {
  .header-frame { grid-template-columns: auto minmax(0, 1fr); }
  .brand-block { grid-column: 1; grid-row: 1; }
  .nav-toggle { display: none; }
  .nav-block {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    display: block;
    padding-top: 0;
    border-top: 0;
  }
  .nav-list { display: flex; flex-wrap: wrap; gap: 6px clamp(12px, 1.7vw, 30px); }
  .nav-link { width: auto; }
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 120px);
  background: var(--ink-2);
  border-top: var(--rule) solid var(--cyan);
  color: var(--paper);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 3px, transparent 3px 14px);
  opacity: .9;
}

.footer-frame {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 68px) var(--gutter) clamp(22px, 3vw, 36px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 46px);
}
@media (min-width: 620px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.3fr; } }

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 1.8vw, 22px);
  letter-spacing: .06em;
  color: var(--paper);
}
.footer-version {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange);
}
.footer-note {
  margin-top: 10px;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--mist);
  margin-bottom: 14px;
}

.footer-list li { margin-bottom: 9px; }
.footer-list a {
  display: inline-block;
  font-size: 15px;
  color: var(--paper);
  border-bottom: 2px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.footer-list a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

.footer-contact li {
  display: grid;
  gap: 2px;
  margin-bottom: 14px;
}
.contact-value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}
.contact-value.data-num { color: var(--cyan); }

.footer-legal {
  margin-top: clamp(30px, 4vw, 54px);
  padding-top: 20px;
  border-top: var(--rule) solid var(--line);
  display: grid;
  gap: 8px;
}
.legal-icp {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
  max-width: none;
}
.legal-line {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
  max-width: none;
  word-break: break-word;
}
.legal-note {
  font-size: 13px;
  color: var(--mist);
  max-width: 78ch;
}
.legal-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--line);
  filter: brightness(1.7);
  max-width: none;
}

/* ---------- 7. 布局容器与分区 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section { padding: clamp(40px, 6.5vw, 96px) 0; }

.zone-deep { background: var(--ink-2); }
.zone-indigo { background: var(--indigo); color: var(--paper); }
.zone-wine { background: var(--wine); color: var(--paper); }
.zone-paper { background: var(--paper); color: var(--ink); }
.zone-paper .field-label { color: #4A6660; }
.zone-paper .data-num { color: #0B2E28; }
.zone-paper .legal-line, .zone-paper .footer-note { color: #4A6660; }

.grid { display: grid; gap: clamp(16px, 2vw, 28px); }
.grid--12 { grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@media (min-width: 1080px) { .grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); } }

.span-4, .span-6, .span-8 { grid-column: 1 / -1; }
@media (min-width: 720px) {
  .span-4 { grid-column: span 3; }
  .span-6 { grid-column: span 6; }
  .span-8 { grid-column: span 6; }
}
@media (min-width: 1080px) {
  .span-4 { grid-column: span 4; }
  .span-6 { grid-column: span 6; }
  .span-8 { grid-column: span 8; }
}

/* ---------- 8. 章节色带与大编号 ---------- */
.chapter-band {
  position: relative;
  transform: skewY(-1.4deg);
  background: var(--ink-2);
  border-top: var(--rule) solid var(--line);
  border-bottom: var(--rule) solid var(--line);
  padding: clamp(18px, 2.6vw, 30px) var(--gutter);
  margin: clamp(34px, 6vw, 76px) 0;
}
.chapter-band > * { transform: skewY(1.4deg); }
.chapter-band--indigo { background: var(--indigo); }
.chapter-band--wine { background: var(--wine); }
.chapter-band--deep { background: var(--ink-2); }

.chapter-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(64px, 12vw, 148px);
  line-height: .78;
  letter-spacing: -.03em;
  color: transparent;
  -webkit-text-stroke: 2px var(--orange);
}
@supports not ((-webkit-text-stroke: 1px #000)) {
  .chapter-num { color: var(--orange); }
}

/* ---------- 9. 框景与卡片 ---------- */
.tick-frame {
  position: relative;
  border: var(--rule) solid var(--line);
  background: linear-gradient(180deg, rgba(11, 46, 40, .92), rgba(6, 28, 24, .92));
  padding: clamp(26px, 3.4vw, 52px);
}
.tick-frame::before,
.tick-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 12px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 3px, transparent 3px 13px);
  pointer-events: none;
}
.tick-frame::before { top: 7px; }
.tick-frame::after { bottom: 7px; }

.frame-cap {
  position: absolute;
  top: -13px;
  left: clamp(20px, 3vw, 44px);
  padding: 0 10px;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--orange);
}

.dash-card {
  background: var(--ink-2);
  border: var(--rule) solid var(--line);
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 2vw, 26px);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}
.dash-card:hover,
.dash-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 10px 12px 0 rgba(53, 242, 201, .22);
}
.dash-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: var(--rule) solid var(--line);
}
.dash-card__body { font-size: 15.5px; color: var(--paper); }
.dash-card__body p { max-width: 62ch; }
.dash-card__foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 2px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.stat-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 22px;
}
.stat-row .stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 34px);
  color: var(--cyan);
}

/* ---------- 10. 列表与表格行 ---------- */
.row-list { border-top: var(--rule) solid var(--line); }
.data-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 12px;
  border-bottom: 2px solid var(--line);
  transition: background-color .16s var(--ease);
}
.data-row:hover,
.data-row:focus-within { background: rgba(53, 242, 201, .07); }
.data-row:hover .status-dot,
.data-row:focus-within .status-dot { box-shadow: 0 0 0 3px rgba(53, 242, 201, .25); }
.data-row__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------- 11. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: var(--rule) solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .1em;
  cursor: pointer;
  box-shadow: var(--shadow-cyan);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease), background-color .16s var(--ease), color .16s var(--ease);
}
.btn:hover {
  transform: translate(-2px, -3px);
  box-shadow: 9px 10px 0 rgba(53, 242, 201, .34);
  background: var(--cyan);
  color: var(--ink);
}
.btn--solid {
  background: var(--cyan);
  color: var(--ink);
  box-shadow: 6px 6px 0 var(--indigo);
}
.btn--solid:hover { background: var(--paper); box-shadow: 8px 9px 0 var(--indigo); }
.btn--ghost {
  border-color: var(--line);
  color: var(--paper);
  box-shadow: 6px 6px 0 rgba(36, 68, 60, .6);
}
.btn--ghost:hover { background: var(--ink-2); color: var(--cyan); border-color: var(--cyan); }

/* ---------- 12. 面包屑 ---------- */
.breadcrumbs { padding: 18px 0 0; }
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}
.breadcrumbs li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; color: var(--line); }
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs [aria-current="page"] { color: var(--cyan); }

/* ---------- 13. 分段按钮与展开面板 ---------- */
.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  border: var(--rule) solid var(--line);
  background: var(--ink-2);
}
.seg-btn {
  padding: 10px 18px;
  border-right: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--mist);
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease);
}
.seg-btn:last-child { border-right: 0; }
.seg-btn:hover { color: var(--cyan); background: rgba(53, 242, 201, .08); }
.seg-btn.is-active,
.seg-btn[aria-selected="true"] { background: var(--cyan); color: var(--ink); }

.panel {
  display: none;
  margin-top: 16px;
  padding: 18px 20px;
  border-left: var(--rule) solid var(--cyan);
  background: rgba(11, 46, 40, .72);
}
.panel[data-open] { display: block; }

/* ---------- 14. 显现与时间轴 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 14px, 0);
  transition: opacity .45s var(--ease), transform .55s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal="scale"] { transform: scale(.6); transform-origin: left bottom; }
[data-reveal="scale"].is-visible { transform: scale(1); }

.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--line);
}
.timeline-item {
  position: relative;
  padding: 0 0 26px 0;
  color: var(--mist);
  transition: color .3s var(--ease);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-node {
  position: absolute;
  left: -26px;
  top: 9px;
  width: 15px;
  height: 15px;
  background: var(--line);
  border: 3px solid var(--ink);
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease);
}
.timeline-item.is-lit { color: var(--paper); }
.timeline-item.is-lit .timeline-node {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, .2);
}

/* ---------- 15. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: var(--rule) solid var(--line);
  background: var(--ink-2);
}
.media-frame--portrait { aspect-ratio: 3 / 4; }
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame img,
.media-frame picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(27, 31, 75, .45) 0%, rgba(6, 28, 24, .72) 100%);
  pointer-events: none;
}
.media-frame--wine::after { background: linear-gradient(150deg, rgba(74, 18, 38, .5) 0%, rgba(6, 28, 24, .75) 100%); }
.media-frame__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 8px 14px;
  background: var(--ink);
  border-top: var(--rule) solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--paper);
}

/* ---------- 16. 降低动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal],
  [data-reveal="scale"] { opacity: 1 !important; transform: none !important; }
  .dash-card:hover, .btn:hover, .nav-toggle:hover { transform: none; }
}