/* ============================================================
   HTH主站 · 共享外壳 / assets/site.css
   夜间球场记分屏：墨绿底 + 荧光青灯光 + 琥珀数据点
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
}

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

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

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

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

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

/* ---------- 2. 变量 ---------- */
:root {
  --ink-900: #07160F;
  --ink-800: #0B2318;
  --ink-700: #143426;
  --ink-950: #03100B;
  --cyan-400: #3BF0C8;
  --cyan-200: #A6FFEC;
  --amber-500: #FFB02E;
  --amber-200: #FFE3AC;
  --mist-100: #E9F4EF;
  --mist-400: #9FB6AC;

  --font-display: 'Archivo Narrow', 'Oswald', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;

  --shell: 1240px;
  --pad: clamp(18px, 4.2vw, 52px);
  --gutter: clamp(16px, 2.4vw, 28px);
  --border-strong: 2px solid var(--ink-700);
  --ease: cubic-bezier(.22, .72, .28, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  background: var(--ink-900);
  color: var(--mist-100);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: .01em;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 480px at 10% -8%, rgba(59, 240, 200, .12), transparent 64%),
    radial-gradient(620px 420px at 96% 4%, rgba(255, 176, 46, .075), transparent 60%);
}

p { text-wrap: pretty; }

::selection {
  background: var(--cyan-400);
  color: var(--ink-900);
}

:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

#main-content {
  display: block;
  position: relative;
  z-index: 1;
}

/* ---------- 4. 通用容器与标题件 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: clamp(34px, 5vw, 76px); }
.section + .section { border-top: var(--border-strong); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 22px;
  margin-bottom: clamp(18px, 2.6vw, 32px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.eyebrow::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--cyan-400);
}

.rule {
  height: 2px;
  border: 0;
  margin: 0;
  background: var(--ink-700);
}

.h-display {
  font-family: var(--font-display);
  font-stretch: condensed;
  font-weight: 700;
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--mist-100);
}

.h-section {
  font-family: var(--font-display);
  font-stretch: condensed;
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--mist-100);
}

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

/* ---------- 5. Skip link ---------- */
.skip-link {
  position: absolute;
  left: 14px;
  top: -90px;
  z-index: 130;
  padding: 12px 20px;
  background: var(--cyan-400);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  border: 2px solid var(--ink-900);
  transition: top .18s var(--ease);
}

.skip-link:focus {
  top: 14px;
  outline: none;
}

/* ---------- 6. 滚动进度条 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 95;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan-400), var(--amber-500));
}

/* ---------- 7. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--ink-900);
  border-bottom: var(--border-strong);
}

.site-header.is-scrolled {
  box-shadow: 0 6px 0 var(--ink-950);
}

.header-top {
  background: var(--ink-950);
  border-bottom: 1px solid var(--ink-700);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist-400);
}

.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 9px;
}

.header-top__note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.header-top__dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--cyan-400);
  animation: hth-pulse 2.4s ease-in-out infinite;
}

@keyframes hth-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .28; }
}

.header-top__phone {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.header-top__label { color: var(--mist-400); }

.header-top__num {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan-200);
}

.header-main {
  background: linear-gradient(180deg, rgba(11, 35, 24, .92), rgba(7, 22, 15, 1));
}

.header-main__inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
  padding-block: 13px;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand__mark {
  font-family: var(--font-display);
  font-stretch: condensed;
  font-size: 27px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--mist-100);
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  letter-spacing: .14em;
  padding: 4px 7px 3px;
  background: var(--cyan-400);
  color: var(--ink-900);
}

.brand--footer { margin-bottom: 4px; }

/* 栏目条 */
.primary-nav { margin-left: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(2px, 1vw, 12px);
}

.nav-item { display: flex; }

.nav-link {
  position: relative;
  display: inline-block;
  padding: 9px 10px;
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--mist-400);
  transition: color .2s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 4px;
  height: 2px;
  background: var(--cyan-400);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .26s var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible { color: var(--mist-100); }

.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--cyan-400); }

.nav-link[aria-current="page"]::after { transform: scaleX(1); }

/* 汉堡按钮 */
.nav-toggle { display: none; }

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

.nav-toggle__bars i {
  display: block;
  height: 2px;
  background: var(--cyan-400);
  transition: transform .24s var(--ease), opacity .16s var(--ease);
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 20px;
  border: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .1em;
  line-height: 1;
  cursor: pointer;
  transition:
    transform .18s var(--ease),
    box-shadow .18s var(--ease),
    background-color .18s var(--ease),
    color .18s var(--ease),
    border-color .18s var(--ease);
}

.btn--sm {
  padding: 11px 16px;
  font-size: 12.5px;
}

.btn--solid {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-900);
  box-shadow: 4px 4px 0 var(--ink-700);
}

.btn--solid:hover {
  background: var(--cyan-200);
  border-color: var(--cyan-200);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink-700);
}

.btn--ghost {
  background: transparent;
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  box-shadow: 4px 4px 0 rgba(59, 240, 200, .18);
}

.btn--ghost:hover {
  background: rgba(59, 240, 200, .08);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(59, 240, 200, .26);
}

.btn--amber {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--ink-900);
  box-shadow: 4px 4px 0 var(--ink-700);
}

.btn--amber:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink-700);
}

.header-cta { flex: 0 0 auto; }

/* ---------- 9. 面包屑 ---------- */
.breadcrumb {
  padding-block: 16px;
  border-bottom: 1px solid var(--ink-700);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--mist-400);
}

.breadcrumb__item { display: inline-flex; align-items: center; }

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  padding-inline: 12px;
  color: var(--ink-700);
}

.breadcrumb__link { color: var(--mist-400); }

.breadcrumb__link:hover { color: var(--cyan-400); }

.breadcrumb__item[aria-current="page"] { color: var(--cyan-200); }

/* ---------- 10. 图片容器 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 2px solid var(--ink-700);
  background: var(--ink-800);
  box-shadow: 8px 8px 0 rgba(59, 240, 200, .12);
}

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

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 22, 15, 0) 44%, rgba(3, 16, 11, .74) 100%);
}

.media--wide { aspect-ratio: 16 / 9; }
.media--arena { aspect-ratio: 21 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--tall { aspect-ratio: 3 / 4; }

.media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 8px 14px;
  background: var(--amber-500);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.media__cap {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist-100);
}

.media-grid {
  display: grid;
  gap: var(--gutter);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* ---------- 11. 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(56px, 8vw, 116px);
  background: var(--ink-950);
  border-top: var(--border-strong);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 240, 200, .55), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr .9fr 1.6fr;
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
  padding-block: clamp(38px, 5.5vw, 74px);
}

.footer-brand__desc {
  margin-top: 16px;
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-400);
}

.footer-brand__stamp {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: rgba(159, 182, 172, .58);
}

.footer-col__title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink-700);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--cyan-400);
}

.footer-list { display: grid; gap: 9px; }

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  color: var(--mist-400);
  transition: color .18s var(--ease);
}

.footer-link::before {
  content: "";
  width: 10px;
  height: 2px;
  flex: 0 0 auto;
  background: var(--ink-700);
  transition: background-color .2s var(--ease);
}

.footer-link:hover { color: var(--mist-100); }

.footer-link:hover::before { background: var(--cyan-400); }

.footer-contact { display: grid; gap: 11px; }

.footer-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 14.5px;
  line-height: 1.7;
}

.footer-contact__label {
  flex: 0 0 auto;
  min-width: 68px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist-400);
}

.footer-contact__value {
  color: var(--mist-100);
  word-break: break-word;
}

.footer-contact__value--mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--cyan-200);
}

.footer-bar {
  background: var(--ink-950);
  border-top: 1px solid var(--ink-700);
}

.footer-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px;
}

.footer-bar__meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist-400);
}

/* ---------- 12. 显现动效 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

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

.js [data-reveal][data-delay="1"] { transition-delay: .09s; }
.js [data-reveal][data-delay="2"] { transition-delay: .18s; }
.js [data-reveal][data-delay="3"] { transition-delay: .27s; }

/* ---------- 13. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .header-main__inner {
    flex-wrap: wrap;
    gap: 12px;
    min-height: 60px;
  }

  .header-cta { margin-left: auto; }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 10px 14px;
    border: 2px solid var(--ink-700);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--mist-400);
    cursor: pointer;
    transition: color .2s var(--ease), border-color .2s var(--ease);
  }

  .site-header[data-open] .nav-toggle {
    color: var(--mist-100);
    border-color: var(--cyan-400);
  }

  .site-header[data-open] .nav-toggle__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .site-header[data-open] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
  .site-header[data-open] .nav-toggle__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .primary-nav {
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    margin-left: 0;
    margin-top: 4px;
    display: none;
    background: var(--ink-800);
    border-top: 1px solid var(--ink-700);
  }

  .site-header[data-open] .primary-nav { display: block; }

  .nav-list {
    flex-wrap: nowrap;
    gap: 2px;
    overflow-x: auto;
    padding: 10px 2px 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .nav-list::-webkit-scrollbar { height: 4px; }
  .nav-list::-webkit-scrollbar-thumb { background: var(--ink-700); }

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

  .scroll-progress { height: 2px; }

  html { scroll-padding-top: 108px; }
}

@media (max-width: 640px) {
  body { font-size: 16.5px; line-height: 1.8; }

  .header-top__inner { justify-content: flex-start; }
  .header-top__phone { display: none; }
  .header-top { font-size: 11.5px; letter-spacing: .06em; }

  .brand__mark { font-size: 23px; }
  .brand__sub { font-size: 11px; letter-spacing: .12em; }

  .header-cta { padding: 10px 13px; font-size: 11.5px; letter-spacing: .08em; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }

  .footer-bar__inner { justify-content: flex-start; }

  .media--arena { aspect-ratio: 16 / 9; }
}

/* ---------- 14. 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

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

  .header-top__dot { animation: none; }
}