/* ==========================================================================
   非凡体育赛场 — 共享样式表 /assets/site.css
   模块化 Bento 信息板 · 悬浮胶囊导航 · 档案检索语汇
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 124px;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

button { cursor: pointer; }

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

a { color: inherit; text-decoration: none; }

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

/* ---------- 2. 变量 ---------- */
:root {
  --ink: #0B1F33;
  --ink-deep: #081827;
  --pine: #12332B;
  --sand: #F3EBDD;
  --ice: #D7E7F2;
  --signal: #FF6B35;
  --signal-deep: #C94A1E;
  --neon: #5CF2D6;
  --neon-soft: #8EF7E5;
  --archive: #6B7A8A;
  --white: #F7FAFC;

  --font-head: "Barlow Condensed", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-data: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --shell: min(1200px, 100% - 2.5rem);
  --radius-lg: 26px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --pill: 999px;
  --ease: cubic-bezier(.22, .72, .24, 1);
  --shadow-pod: 0 18px 42px -24px rgba(8, 24, 39, .72);
  --header-space: clamp(94px, 11vw, 120px);
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--sand);
  padding-top: var(--header-space);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4,
.h1, .h2, .h3 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h1, .h1 { font-size: clamp(2.5rem, 6.4vw, 4rem); }
h2, .h2 { font-size: clamp(1.85rem, 4.2vw, 3rem); }
h3, .h3 { font-size: clamp(1.3rem, 2.4vw, 2rem); }
h4 { font-size: 1.125rem; letter-spacing: -0.01em; }

.data {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 8px;
}

.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. 容器与网格 ---------- */
.shell {
  width: var(--shell);
  margin-inline: auto;
}

.shell--narrow { --shell: min(820px, 100% - 2.5rem); }

.grid { display: grid; gap: clamp(14px, 2vw, 22px); }
.grid--bento { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--split {
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: start;
}

/* ---------- 5. Skip link ---------- */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 12px 20px;
  border-radius: var(--pill);
  background: var(--neon);
  color: var(--ink);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .02em;
  transform: translateY(-160%);
  transition: transform .24s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

/* ---------- 6. 悬浮胶囊页头 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 90;
  background: rgba(11, 31, 51, .18);
  pointer-events: none;
}

.scroll-progress__fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--neon) 0%, var(--signal) 100%);
  transition: width .12s linear;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  padding: 14px 0;
  pointer-events: none;
}

.site-header__shell {
  position: relative;
  pointer-events: auto;
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px 10px 18px;
  border-radius: var(--pill);
  background: rgba(11, 31, 51, .88);
  border: 1px solid rgba(92, 242, 214, .16);
  box-shadow: var(--shadow-pod);
  color: var(--white);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  transition: padding .35s var(--ease), background-color .35s var(--ease), border-color .35s var(--ease);
}

.site-header[data-scrolled] .site-header__shell {
  padding-block: 6px;
  background: rgba(8, 24, 39, .96);
  border-color: rgba(92, 242, 214, .26);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
  color: var(--white);
  min-width: 0;
}

.brand__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
  background: linear-gradient(135deg, var(--neon) 0%, var(--neon-soft) 46%, var(--signal) 100%);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}

.brand__name {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: font-size .3s var(--ease);
}

.brand__meta {
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: rgba(92, 242, 214, .72);
  white-space: nowrap;
}

.brand--footer {
  margin: 0 0 16px;
}

/* 移动端栏目按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 12px;
  border-radius: var(--pill);
  border: 1px solid rgba(92, 242, 214, .3);
  background: rgba(92, 242, 214, .08);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.nav-toggle:hover { background: rgba(92, 242, 214, .16); }

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: currentColor;
  transition: transform .28s var(--ease), opacity .2s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6px) 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(-6px) rotate(-45deg); }

/* 导航胶囊 */
.nav-pod__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-pod__item { flex: none; }

.nav-pod__link {
  display: block;
  padding: 9px 14px;
  border-radius: var(--pill);
  font-size: 15px;
  line-height: 1.2;
  color: rgba(247, 250, 252, .78);
  white-space: nowrap;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.nav-pod__link:hover {
  color: var(--neon);
  background: rgba(92, 242, 214, .1);
}

.nav-pod__link[aria-current="page"] {
  color: var(--ink);
  background: var(--neon);
  font-weight: 700;
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1;
  transition: background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .2s var(--ease);
}

.btn--signal { background: var(--signal); color: #FFFFFF; }
.btn--signal:hover { background: var(--signal-deep); transform: translateY(-2px); }

.btn--neon { background: var(--neon); color: var(--ink); }
.btn--neon:hover { background: var(--neon-soft); transform: translateY(-2px); }

.btn--ghost { border-color: rgba(11, 31, 51, .24); color: var(--ink); }
.btn--ghost:hover { border-color: var(--signal); color: var(--signal-deep); }

.btn--light { border-color: rgba(247, 250, 252, .34); color: var(--white); }
.btn--light:hover { border-color: var(--neon); color: var(--neon); }

.btn--sm { padding: 9px 17px; font-size: 15px; }
.btn--block { width: 100%; }

/* ---------- 8. 面包屑 ---------- */
.breadcrumb { margin-bottom: clamp(18px, 2.4vw, 30px); }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .05em;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--archive);
}

.breadcrumb__link { color: var(--archive); transition: color .2s var(--ease); }
.breadcrumb__link:hover { color: var(--signal-deep); }

.breadcrumb__sep { color: rgba(107, 122, 138, .5); }

.breadcrumb__item[aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ---------- 9. 正文 ---------- */
.prose {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: #1B3348;
}

.prose > * + * { margin-top: 1.05em; }

.prose h2 { margin-top: 2.2em; font-size: clamp(1.45rem, 3vw, 2.1rem); }
.prose h3 { margin-top: 1.7em; font-size: 1.2rem; }

.prose ul { list-style: disc; padding-left: 1.35em; }
.prose ol { list-style: decimal; padding-left: 1.35em; }
.prose li { margin-top: .4em; }

.prose a {
  color: var(--signal-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose strong { font-weight: 700; color: var(--ink); }

/* ---------- 10. 资料卡与标签 ---------- */
.card {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid rgba(11, 31, 51, .07);
}

.card--ice { background: var(--ice); border-color: transparent; }
.card--sand { background: var(--sand); border-color: rgba(11, 31, 51, .08); }
.card--ink { background: var(--ink); color: var(--white); border-color: transparent; }
.card--pine { background: var(--pine); color: var(--white); border-color: transparent; }
.card--ghost {
  background: transparent;
  border: 1px dashed rgba(11, 31, 51, .22);
}

.card__kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--signal-deep);
  margin-bottom: 10px;
}

.card--ink .card__kicker,
.card--pine .card__kicker { color: var(--neon); }

.card__title {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 1.7vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.card__text {
  margin-top: .6em;
  font-size: 15px;
  line-height: 1.72;
  color: #40566A;
}

.card--ink .card__text,
.card--pine .card__text { color: rgba(247, 250, 252, .76); }

.card__foot {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--pill);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .04em;
  background: var(--ice);
  color: var(--ink);
  border: 1px solid rgba(11, 31, 51, .08);
}

.tag--neon {
  background: rgba(92, 242, 214, .22);
  border-color: rgba(92, 242, 214, .55);
  color: #08463A;
}

.tag--signal {
  background: rgba(255, 107, 53, .14);
  border-color: rgba(255, 107, 53, .42);
  color: var(--signal-deep);
}

/* ---------- 11. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, #E6F1F8 0%, var(--ice) 48%, #C9DEEE 100%);
  isolation: isolate;
}

.media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 4 / 5; }

.media-frame--slant { clip-path: polygon(0 2%, 100% 0, 100% 98%, 0 100%); }

.media-frame--frame::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(92, 242, 214, .55);
  border-radius: calc(var(--radius-lg) - 10px);
  pointer-events: none;
}

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 36px 18px 14px;
  background: linear-gradient(to top, rgba(8, 24, 39, .84), rgba(8, 24, 39, 0));
  color: var(--white);
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 8vw, 104px);
  padding: clamp(56px, 7vw, 88px) 0 28px;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(18, 51, 43, .95) 0%, rgba(11, 31, 51, 0) 62%),
    var(--ink);
  color: rgba(247, 250, 252, .72);
  overflow: hidden;
}

.site-footer::after {
  content: "";
  position: absolute;
  inset: -30% -20% auto -20%;
  height: 460px;
  background:
    radial-gradient(48% 62% at 78% 34%, rgba(255, 107, 53, .17), transparent 70%),
    radial-gradient(46% 62% at 22% 24%, rgba(92, 242, 214, .15), transparent 70%);
  pointer-events: none;
}

.site-footer__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.35fr 1fr;
  gap: clamp(26px, 3.4vw, 48px);
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(247, 250, 252, .12);
}

.site-footer__title {
  margin-bottom: 16px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--neon);
}

.site-footer__lede {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 250, 252, .82);
  max-width: 30ch;
}

.site-footer__note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 250, 252, .54);
  max-width: 34ch;
}

.site-footer__icp {
  font-family: var(--font-data);
  font-size: 13.5px;
  letter-spacing: .05em;
  color: rgba(247, 250, 252, .82);
}

.foot-links__item {
  display: block;
  padding: 7px 0;
  font-size: 15px;
  color: rgba(247, 250, 252, .72);
  transition: color .2s var(--ease), transform .2s var(--ease);
}

.foot-links__item:hover {
  color: var(--neon);
  transform: translateX(3px);
}

.foot-contact__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
}

.foot-contact__key {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--archive);
}

.foot-contact__val {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .02em;
  color: rgba(247, 250, 252, .88);
  overflow-wrap: anywhere;
}

.foot-contact__val--text {
  font-family: var(--font-body);
  font-size: 14px;
}

.copy-chip {
  padding: 4px 10px;
  border-radius: var(--pill);
  border: 1px solid rgba(92, 242, 214, .34);
  background: rgba(92, 242, 214, .07);
  color: var(--neon);
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .06em;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.copy-chip:hover { background: rgba(92, 242, 214, .18); }
.copy-chip[data-copied] { background: var(--neon); color: var(--ink); }

.site-footer__bar {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 24px;
}

.site-footer__tip {
  font-size: 13px;
  color: rgba(247, 250, 252, .5);
  max-width: 62ch;
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--pill);
  border: 1px solid rgba(92, 242, 214, .36);
  background: rgba(92, 242, 214, .07);
  color: var(--neon);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .3s var(--ease), transform .3s var(--ease),
              visibility .3s var(--ease), background-color .2s var(--ease);
}

.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover { background: rgba(92, 242, 214, .18); }

/* ---------- 13. 显现动效 ---------- */
[data-reveal] {
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}

html[data-reveal="on"] [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateY(20px);
}

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1080px) {
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1.2fr; }
  .site-footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  :root { --header-space: 104px; }

  .site-header__shell {
    padding: 9px 10px 9px 14px;
    gap: 10px;
  }

  .site-header[data-scrolled] .site-header__shell { padding-block: 7px; }

  .brand__meta { display: none; }
  .brand__name { font-size: 17px; }
  .brand__mark { width: 34px; height: 34px; border-radius: 11px; font-size: 12.5px; }

  .nav-toggle { display: inline-flex; }

  .nav-pod {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    padding: 10px;
    border-radius: 22px;
    background: rgba(8, 24, 39, .97);
    border: 1px solid rgba(92, 242, 214, .2);
    box-shadow: 0 28px 54px -28px rgba(0, 0, 0, .8);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s var(--ease);
  }

  .nav-pod[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-pod__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-pod__link {
    padding: 13px 16px;
    border-radius: 14px;
    font-size: 16px;
  }

  .scroll-progress { display: none; }

  .grid--bento { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--split { grid-template-columns: minmax(0, 1fr); }

  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  :root { --shell: min(1200px, 100% - 1.8rem); }

  .grid--2,
  .grid--3,
  .grid--auto { grid-template-columns: minmax(0, 1fr); }

  .grid--bento { grid-template-columns: minmax(0, 1fr); }

  .site-footer__grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .site-footer__bar { flex-direction: column; align-items: flex-start; }
  .foot-contact__row { grid-template-columns: auto minmax(0, 1fr); }
  .copy-chip { grid-column: 2; justify-self: start; }
}

/* ---------- 15. 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;
  }

  html[data-reveal="on"] [data-reveal]:not(.is-visible) {
    opacity: 1;
    transform: none;
  }
}