/* ==========================================================================
   安博体育 · 共享样式表 /assets/site.css
   深夜球场墨绿画布 + 荧光青绿数据语义 + 奶油纸底刊物区块
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 24px;
}

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

/* ---------- 2. 设计令牌 ---------- */
:root {
  /* 色彩体系 */
  --ink:         #0C1512;
  --ink-deep:    #080C0B;
  --turf:        #14231D;
  --cream:       #F2EAD9;
  --cream-shade: #DCCFB6;
  --brown:       #23180F;
  --neon:        #4BF0B0;
  --neon-mist:   #A9FFDD;
  --amber:       #F0A93B;
  --red:         #D8442A;
  --red-deep:    #8E2312;
  --mist:        #93A79C;

  /* 字体栈 */
  --font-display: "Arial Narrow", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body:    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* 版式 */
  --shell:  1280px;
  --gutter: clamp(18px, 4vw, 48px);
  --radius: 2px;

  --edge:        2px solid rgba(242, 234, 217, .18);
  --edge-strong: 3px solid var(--cream);
  --hard-shadow: 6px 6px 0 rgba(8, 12, 11, .6);

  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 3. 基础与中文排版 ---------- */
html {
  background: var(--ink);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 620px at 88% -12%, rgba(75, 240, 176, .07), transparent 62%),
    repeating-linear-gradient(90deg, rgba(142, 35, 18, .045) 0 1px, transparent 1px 132px);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: .012em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.012em;
  font-stretch: condensed;
  color: var(--cream);
  text-wrap: balance;
}

h1 { font-size: clamp(34px, 6.4vw, 76px); }
h2 { font-size: clamp(26px, 3.6vw, 44px); }
h3 { font-size: clamp(19px, 2.1vw, 27px); }
h4 { font-size: 17px; letter-spacing: .02em; }

p { margin: 0; }

strong, b {
  font-weight: 700;
  color: var(--neon-mist);
}

small { font-size: 13px; }

a {
  color: var(--neon);
  text-decoration: none;
  transition: color .16s var(--ease);
}

a:hover { color: var(--neon-mist); }

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

::selection {
  background: var(--neon);
  color: var(--brown);
}

/* ---------- 4. 布局容器 ---------- */
.shell {
  width: min(100% - (var(--gutter) * 2), var(--shell));
  margin-inline: auto;
}

.section {
  padding-block: clamp(48px, 7vw, 96px);
}

.section--cream {
  background: var(--cream);
  color: var(--brown);
}

.section--cream h1,
.section--cream h2,
.section--cream h3,
.section--cream h4 { color: var(--brown); }

.section--cream strong { color: var(--red-deep); }

.section--cream a { color: var(--red-deep); }

.section--cream .eyebrow {
  color: var(--red-deep);
  border-color: rgba(35, 24, 15, .32);
}

.section--cream .label-index { color: rgba(35, 24, 15, .62); }

.section--turf { background: var(--turf); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: clamp(24px, 3vw, 40px);
}

/* ---------- 5. 索引标签与数字 ---------- */
.eyebrow {
  display: inline-block;
  padding: 4px 11px;
  border: 1px solid rgba(75, 240, 176, .42);
  border-radius: 999px;
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  line-height: 1.6;
}

.label-index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--mist);
  text-transform: uppercase;
}

.data-figure {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  line-height: 1;
  color: var(--neon);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid rgba(242, 234, 217, .28);
  border-radius: 999px;
  color: var(--cream-shade);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 2px solid var(--neon);
  border-radius: var(--radius);
  background: var(--neon);
  color: var(--brown);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .1em;
  text-decoration: none;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, .5);
  transition: transform .14s var(--ease), box-shadow .14s var(--ease),
              background .14s var(--ease), color .14s var(--ease),
              border-color .14s var(--ease);
}

.btn:hover {
  color: var(--brown);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .5);
}

.btn:active {
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, .5);
}

.btn--ghost {
  background: transparent;
  color: var(--neon);
}

.btn--ghost:hover {
  color: var(--neon-mist);
  border-color: var(--neon-mist);
  background: rgba(75, 240, 176, .12);
}

.btn--ink {
  background: var(--brown);
  border-color: var(--brown);
  color: var(--cream);
}

.btn--ink:hover {
  color: var(--cream);
  border-color: var(--brown);
  background: #35251a;
}

/* ---------- 7. 面包屑与正文容器 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.breadcrumb li + li::before {
  content: "/";
  margin: 0 9px;
  color: rgba(147, 167, 156, .55);
}

.breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--neon); }

.breadcrumb [aria-current="page"] { color: var(--cream); }

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.9;
}

.prose p { margin-bottom: 1.15em; }
.prose p:last-child { margin-bottom: 0; }

.prose a,
.prose a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose ul,
.prose ol {
  margin: 0 0 1.15em;
  padding-left: 1.35em;
}

.prose ul { list-style: square; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .4em; }

.prose--cream { color: var(--brown); }
.prose--cream a { color: var(--red-deep); }
.prose--cream strong { color: var(--red-deep); }

/* ---------- 8. 网格与媒体容器 ---------- */
.grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 2px solid rgba(242, 234, 217, .22);
  border-radius: var(--radius);
  background: var(--ink-deep);
}

.media-frame img,
.media-frame svg,
.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(75, 240, 176, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 240, 176, .07) 1px, transparent 1px);
  background-size: 36px 36px;
}

.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--wide { aspect-ratio: 21 / 9; }

.media-frame--shadow { box-shadow: var(--hard-shadow); }

.section--cream .media-frame {
  border-color: rgba(35, 24, 15, .55);
  background: var(--cream-shade);
}

.section--cream .media-frame::after {
  background-image:
    linear-gradient(rgba(35, 24, 15, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 24, 15, .07) 1px, transparent 1px);
}

.figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.section--cream .figure-caption { color: rgba(35, 24, 15, .6); }

/* ---------- 9. 无障碍辅助 ---------- */
.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;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 999;
  padding: 11px 22px;
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--neon);
  color: var(--brown);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  transform: translate(-50%, -130%);
  transition: transform .18s var(--ease);
}

.skip-link:focus {
  transform: translate(-50%, 0);
  color: var(--brown);
}

/* ---------- 10. 页头 ---------- */
.site-header {
  position: relative;
  z-index: 60;
  background: var(--ink-deep);
}

/* 10.1 顶部赛程栏 */
.schedule-bar {
  background: var(--ink-deep);
  border-bottom: 1px solid rgba(242, 234, 217, .10);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.schedule-bar__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 40px;
  padding-block: 6px;
}

.schedule-bar__label {
  flex: none;
  color: var(--neon);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.schedule-bar__list {
  display: flex;
  align-items: center;
  gap: 24px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.schedule-bar__list::-webkit-scrollbar { display: none; }

.schedule-bar__item { flex: none; }

.schedule-bar__link {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  color: var(--mist);
  white-space: nowrap;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.schedule-bar__link:hover,
.schedule-bar__link:focus-visible {
  color: var(--neon-mist);
  border-bottom-color: var(--neon);
}

/* 10.2 居中刊头报头 */
.masthead {
  position: relative;
  padding-block: clamp(22px, 4vw, 42px) clamp(16px, 2.6vw, 30px);
  background-image:
    repeating-linear-gradient(90deg, rgba(75, 240, 176, .035) 0 1px, transparent 1px 30px),
    linear-gradient(180deg, var(--turf), var(--ink));
  border-bottom: var(--edge-strong);
}

.masthead__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
}

.masthead__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.masthead__meta--end {
  text-align: right;
  color: var(--neon);
}

.masthead__logo {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 76px);
  font-weight: 900;
  font-stretch: condensed;
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--cream);
  white-space: nowrap;
  transition: color .18s var(--ease), text-shadow .18s var(--ease);
}

.masthead__logo:hover,
.masthead__logo:focus-visible {
  color: var(--neon);
  text-shadow: 3px 3px 0 rgba(142, 35, 18, .55);
}

/* 10.3 导航带 */
.navband {
  position: relative;
  background: var(--ink-deep);
  border-bottom: var(--edge);
}

.navband__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 56px;
}

.mainnav { flex: 1 1 auto; min-width: 0; }

.mainnav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2.4vw, 38px);
}

.mainnav__link {
  display: inline-block;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.mainnav__link:hover,
.mainnav__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.mainnav__link[aria-current="page"] {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* 10.4 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 2px solid rgba(242, 234, 217, .3);
  border-radius: var(--radius);
  background: transparent;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  transition: border-color .16s var(--ease), color .16s var(--ease), background .16s var(--ease);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--neon);
  background: rgba(75, 240, 176, .1);
  color: var(--neon);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 20px;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform .18s var(--ease), opacity .18s 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); }

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

/* 10.5 滚动进度与返回顶部 */
.scroll-progress {
  position: fixed;
  left: 0;
  bottom: 0;
  z-index: 120;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--neon) 0%, var(--amber) 62%, var(--red) 100%);
  pointer-events: none;
  will-change: transform;
}

.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(20px, 3vw, 34px);
  z-index: 130;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 2px solid var(--neon);
  border-radius: var(--radius);
  background: rgba(8, 12, 11, .9);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, .55);
  transition: background .16s var(--ease), color .16s var(--ease), transform .16s var(--ease);
}

.to-top:hover,
.to-top:focus-visible {
  background: var(--neon);
  color: var(--brown);
  transform: translate(-1px, -1px);
}

.to-top[hidden] { display: none; }

/* ---------- 11. 页脚 ---------- */
.site-footer {
  position: relative;
  background: var(--ink-deep);
  border-top: 3px solid var(--neon);
  color: var(--cream);
}

.footer__main {
  padding-block: clamp(44px, 6vw, 82px);
  background-image:
    repeating-linear-gradient(90deg, rgba(75, 240, 176, .03) 0 1px, transparent 1px 40px);
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(26px, 4vw, 60px);
  align-items: start;
}

.footer__logo {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 900;
  font-stretch: condensed;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cream);
}

.footer__logo:hover { color: var(--neon); }

.footer__brandline {
  margin-top: 12px;
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
}

.footer__note {
  max-width: 34ch;
  margin-top: 14px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.85;
}

.footer__coltitle {
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(242, 234, 217, .16);
  color: var(--cream-shade);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.footer__links {
  display: grid;
  gap: 10px;
}

.footer__links a {
  display: inline-block;
  color: var(--mist);
  font-size: 15px;
  transition: color .15s var(--ease), padding-left .15s var(--ease);
}

.footer__links a:hover,
.footer__links a:focus-visible {
  color: var(--neon);
  padding-left: 6px;
}

.footer__contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px 30px;
  margin-top: clamp(34px, 4vw, 58px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid rgba(242, 234, 217, .14);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-item__label {
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.contact-item__value {
  color: var(--cream-shade);
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
}

.contact-item__value--mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.footer__legalband {
  background: var(--cream);
  color: var(--brown);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.footer__legal-line { color: var(--brown); }
.footer__legal-line--end { text-align: right; }

/* ---------- 12. 显现动效 ---------- */
[data-reveal] {
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
}

html.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 13. 响应式 ---------- */
@media (max-width: 1040px) {
  .footer__grid {
    grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
    gap: 26px 28px;
  }
}

@media (max-width: 900px) {
  .navband__inner { justify-content: flex-start; }

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

  .mainnav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 70;
    display: none;
    max-height: min(72vh, 520px);
    overflow-y: auto;
    background: var(--ink-deep);
    border-bottom: var(--edge);
    box-shadow: 0 18px 36px rgba(0, 0, 0, .55);
  }

  .mainnav[data-open] { display: block; }

  .mainnav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0;
  }

  .mainnav__item + .mainnav__item {
    border-top: 1px solid rgba(242, 234, 217, .09);
  }

  .mainnav__link {
    display: block;
    padding: 15px var(--gutter);
    border-bottom: 0;
    font-size: 17px;
  }

  .mainnav__link:hover,
  .mainnav__link:focus-visible {
    background: rgba(75, 240, 176, .08);
    border-bottom-color: transparent;
  }

  .mainnav__link[aria-current="page"] {
    background: rgba(75, 240, 176, .13);
    border-bottom-color: transparent;
  }

  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 26px;
  }

  .footer__brand { grid-column: 1 / -1; }
  .footer__note { max-width: 46ch; }
}

@media (max-width: 760px) {
  .masthead__inner {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    gap: 10px;
    text-align: center;
  }

  .masthead__meta--end { display: none; }

  .masthead__meta { font-size: 10px; letter-spacing: .16em; }

  .schedule-bar__inner { gap: 14px; }
  .schedule-bar__list { gap: 18px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }

  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .footer__legal { justify-content: flex-start; }
  .footer__legal-line--end { text-align: left; }
  .footer__contact { grid-template-columns: minmax(0, 1fr); }

  .to-top {
    width: 42px;
    height: 42px;
    font-size: 16px;
  }
}

/* ---------- 14. 降级与减动 ---------- */
@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;
  }

  html.js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}