/* ============================================================
   galaxy-sports-haohan.com.cn — /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--frost);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}

:root {
  --ink: #070B14;
  --ink-2: #0E1729;
  --panel: #16233B;
  --cyan: #22E3D3;
  --violet: #8B5CF6;
  --amber: #FFB020;
  --frost: #E8EEF7;
  --muted: #93A2BC;
  --hair: #24334D;
  --alert: #FF6B57;

  --sans: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei",
          "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --cond: "Arial Narrow", "Helvetica Neue", Impact, "Haettenschweiler", "Arial", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Courier New", monospace;

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 40px);

  --line: 1px solid var(--hair);
  --line-strong: 2px solid var(--hair);

  --shadow-hard: 8px 8px 0 rgba(4, 8, 16, .9);
  --shadow-cyan: 6px 6px 0 rgba(34, 227, 211, .18);
  --shadow-violet: 6px 6px 0 rgba(139, 92, 246, .28);

  --ease: cubic-bezier(.22, .61, .36, 1);

  --z-header: 60;
}

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .01em;
}
h1 { font-size: clamp(30px, 4.6vw, 44px); font-weight: 900; }
h2 { font-size: clamp(24px, 3vw, 32px); }
h3 { font-size: clamp(18px, 2vw, 22px); }
p { margin: 0 0 1em; }
a { color: inherit; }
img { max-width: 100%; }

ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

::selection { background: var(--cyan); color: #05121A; }

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

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  transform: translateY(-140%);
  padding: 12px 20px;
  background: var(--cyan);
  color: #04121A;
  font: 600 14px/1 var(--sans);
  text-decoration: none;
  border: 2px solid var(--ink);
  transition: transform .15s var(--ease);
}
.skip-link:focus {
  transform: translateY(0);
}
#main-content { scroll-margin-top: 140px; }

/* ---------- 容器 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ============================================================
   头部
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--ink);
  border-bottom: 2px solid var(--hair);
}

/* 索引条 */
.rail {
  background: var(--ink-2);
  border-bottom: 1px solid var(--hair);
}
.rail__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 36px;
}
.rail__label {
  flex: 0 0 auto;
  font: 11px/1 var(--mono);
  letter-spacing: .2em;
  color: var(--cyan);
  white-space: nowrap;
}
.rail__label::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 9px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  vertical-align: middle;
}
.rail__items {
  display: flex;
  align-items: center;
  gap: 0;
  min-width: 0;
  overflow: hidden;
}
.rail__item {
  font: 11px/1 var(--mono);
  letter-spacing: .1em;
  color: var(--muted);
  white-space: nowrap;
}
.rail__item + .rail__item::before {
  content: "/";
  color: var(--hair);
  margin: 0 12px;
}
.rail__status {
  margin-left: auto;
  flex: 0 0 auto;
  font: 11px/1 var(--mono);
  letter-spacing: .1em;
  color: var(--violet);
  white-space: nowrap;
}

/* 主栏 */
.header-bar { padding: 14px 0; }
.header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--frost);
  flex: 0 0 auto;
}
.brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font: 900 20px/1 var(--sans);
  color: #04121A;
  background: linear-gradient(140deg, var(--cyan) 0%, var(--violet) 100%);
  box-shadow: 4px 4px 0 rgba(4, 8, 16, .85);
}
.brand__text { display: block; }
.brand__name {
  display: block;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: .02em;
}
.brand__meta {
  display: block;
  margin-top: 3px;
  font: 10px/1.2 var(--mono);
  letter-spacing: .13em;
  color: var(--muted);
}
.brand--footer .brand__mark {
  width: 38px;
  height: 38px;
  font-size: 18px;
}
.brand:hover .brand__name { color: var(--cyan); }
.brand:focus-visible { outline: 2px solid var(--violet); outline-offset: 4px; }

/* 导航：紧凑命令栏 */
.nav { margin-left: auto; }
.nav__list {
  display: flex;
  align-items: stretch;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: navidx;
}
.nav__item { display: block; }
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  font-size: 15px;
  color: var(--frost);
  text-decoration: none;
  border-left: 1px solid var(--hair);
  transition: color .15s var(--ease), background-color .15s var(--ease), box-shadow .15s var(--ease);
}
.nav__item:last-child .nav__link { border-right: 1px solid var(--hair); }
.nav__link::before {
  counter-increment: navidx;
  content: counter(navidx, decimal-leading-zero);
  font: 10px/1 var(--mono);
  letter-spacing: .06em;
  color: var(--violet);
}
.nav__link:hover {
  color: var(--cyan);
  background: rgba(34, 227, 211, .09);
}
.nav__link[aria-current="page"] {
  color: var(--cyan);
  background: rgba(34, 227, 211, .07);
  box-shadow: inset 0 -2px 0 var(--cyan);
}
.nav__link[aria-current="page"]::before { color: var(--cyan); }
.nav__link:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: -2px;
}

/* 动作区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.header-cta { white-space: nowrap; }

/* 移动按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 52px;
  height: 48px;
  padding: 0;
  background: var(--panel);
  border: 2px solid var(--hair);
  color: var(--frost);
  cursor: pointer;
  transition: border-color .15s var(--ease), color .15s var(--ease);
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }
.nav-toggle:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; }
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 12px;
}
.nav-toggle__bars span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  transition: transform .18s var(--ease), opacity .18s var(--ease);
}
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 5px; }
.nav-toggle__bars span:nth-child(3) { top: 10px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.nav-toggle__label {
  font: 10px/1 var(--mono);
  letter-spacing: .14em;
  color: var(--muted);
}

/* 滚动进度 */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}
.scroll-meter__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--violet) 100%);
  will-change: transform;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  margin-top: clamp(56px, 9vw, 112px);
  background: var(--ink-2);
  border-top: 2px solid var(--hair);
}
.footer__inner { padding-block: clamp(36px, 6vw, 68px) 28px; }

.footer__grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.5fr) repeat(3, minmax(140px, 1fr));
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(28px, 4vw, 44px);
  border-bottom: 1px solid var(--hair);
}
.footer__brand { min-width: 0; }
.footer__tagline {
  margin: 18px 0 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.footer__heading {
  margin: 0 0 16px;
  padding-bottom: 10px;
  font: 400 12px/1 var(--mono);
  letter-spacing: .18em;
  color: var(--cyan);
  border-bottom: 1px solid var(--hair);
}
.footer__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer__item { line-height: 1.5; }
.footer__text {
  font-size: 14px;
  color: var(--muted);
}
.footer__link {
  font-size: 14px;
  color: var(--frost);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}
.footer__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.footer__link:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; }

.footer__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hair);
  font: 12px/1.9 var(--mono);
  color: var(--muted);
}
.footer__contact-item { display: inline-flex; align-items: baseline; gap: 10px; }
.footer__label {
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--frost);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding-top: 20px;
  font: 12px/1.8 var(--mono);
  color: var(--muted);
}
.footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 0;
}
.footer__legal-link {
  color: var(--muted);
  text-decoration: none;
  letter-spacing: .06em;
  transition: color .15s var(--ease);
}
.footer__legal-link:hover { color: var(--cyan); }
.footer__meta { margin: 0; letter-spacing: .05em; }

/* ============================================================
   通用组件
   ============================================================ */
.section { padding-block: clamp(40px, 6vw, 84px); }
.section__head { margin-bottom: clamp(20px, 3vw, 36px); }
.section__title { margin-bottom: .3em; }
.lead {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--muted);
  max-width: 62ch;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font: 11px/1 var(--mono);
  letter-spacing: .22em;
  color: var(--violet);
}
.num {
  font-family: var(--cond);
  font-stretch: 87.5%;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: .92;
  font-variant-numeric: tabular-nums;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font: 11px/1.4 var(--mono);
  letter-spacing: .1em;
  color: var(--frost);
  border: 1px solid var(--hair);
  background: rgba(22, 35, 59, .7);
}
.tag--amber { color: var(--amber); border-color: rgba(255, 176, 32, .45); }
.tag--violet { color: var(--violet); border-color: rgba(139, 92, 246, .45); }
.panel {
  background: var(--panel);
  border: 2px solid var(--hair);
  padding: clamp(18px, 3vw, 28px);
}
.hairline {
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--hair);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font: 600 14px/1 var(--sans);
  letter-spacing: .05em;
  text-decoration: none;
  border: 2px solid var(--cyan);
  background: var(--cyan);
  color: #04121A;
  cursor: pointer;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease),
              background-color .15s var(--ease), color .15s var(--ease),
              border-color .15s var(--ease);
  box-shadow: 4px 4px 0 rgba(139, 92, 246, .38);
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(139, 92, 246, .55);
}
.btn:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; }
.btn--ghost {
  background: transparent;
  color: var(--frost);
  border-color: var(--hair);
  box-shadow: 4px 4px 0 rgba(4, 8, 16, .85);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 6px 6px 0 rgba(34, 227, 211, .2);
}

/* 双栏与非对称主轴 */
.split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  position: relative;
}
@media (min-width: 901px) {
  .split::before {
    content: "";
    position: absolute;
    left: calc(1.15 / 2.15 * 100%);
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--hair);
    transform: translateX(-50%);
  }
}
.split__side { min-width: 0; }

.grid { display: grid; gap: clamp(18px, 3vw, 32px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* 面包屑 */
.crumbs { margin: clamp(16px, 3vw, 28px) 0; }
.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font: 12px/1.6 var(--mono);
  color: var(--muted);
}
.crumbs__item + .crumbs__item::before {
  content: "/";
  color: var(--hair);
  margin-right: 10px;
}
.crumbs__link {
  color: var(--muted);
  text-decoration: none;
  transition: color .15s var(--ease);
}
.crumbs__link:hover { color: var(--cyan); }
.crumbs__current { color: var(--frost); }

/* 图片容器基础规则 */
.media {
  margin: 0;
  background: var(--panel);
  border: 2px solid var(--hair);
  box-shadow: var(--shadow-hard);
}
.media__frame {
  display: block;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(34, 227, 211, .08), rgba(139, 92, 246, .08)),
    var(--panel);
}
.media--pitch .media__frame { aspect-ratio: 16 / 10; }
.media--tall .media__frame { aspect-ratio: 4 / 5; }
.media__frame > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.78) contrast(1.06) brightness(.94) hue-rotate(-6deg);
}
.media__caption {
  display: block;
  padding: 10px 14px;
  font: 12px/1.7 var(--mono);
  letter-spacing: .05em;
  color: var(--muted);
  border-top: 1px solid var(--hair);
  background: var(--ink-2);
}

/* 滚动显现 */
html.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
html.js-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .nav__link { padding: 10px 10px; font-size: 14px; }
  .header-cta { padding: 11px 14px; font-size: 13px; }
}

@media (max-width: 900px) {
  .rail__items { display: none; }
  .rail__status { margin-left: auto; }

  .header-bar { padding: 12px 0; }
  .header__inner { flex-wrap: wrap; }

  .nav-toggle { display: flex; }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    background: var(--ink-2);
    border-top: 1px solid var(--hair);
    border-bottom: 2px solid var(--hair);
    max-height: 72vh;
    overflow-y: auto;
  }
  .nav[data-open] { display: block; }
  .nav__list {
    display: block;
    counter-reset: navidx;
  }
  .nav__item { border-bottom: 1px solid var(--hair); }
  .nav__item:last-child { border-bottom: 0; }
  .nav__link {
    display: flex;
    width: 100%;
    padding: 15px var(--gutter);
    font-size: 16px;
    border-left: 0;
  }
  .nav__item:last-child .nav__link { border-right: 0; }
  .nav__link[aria-current="page"] { box-shadow: inset 3px 0 0 var(--cyan); }

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

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

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

@media (max-width: 640px) {
  .rail__status { display: none; }
  .header-cta { display: none; }
  .brand__meta { display: none; }

  .footer__grid { grid-template-columns: 1fr; }
  .footer__contact { flex-direction: column; gap: 6px; }
  .footer__legal { justify-content: flex-start; }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
}

@media (max-width: 400px) {
  .brand__name { font-size: 15px; }
}

/* ============================================================
   动效降级
   ============================================================ */
@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.js-reveal [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .btn:hover { transform: none; }
}