/* ============================================================
   谈球吧账号 · 共享外壳样式 /assets/site.css
   夜赛场刊：深墨绿底板 + 荧光青切割 + 暖金时间码
   ============================================================ */

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

:root {
  --ink-green: #0B3D2E;
  --night-green: #07271F;
  --cyan: #00E5C3;
  --gold: #FFB347;
  --cream: #F3ECDD;
  --paper: #FBF7EE;
  --charcoal: #1B211E;
  --steel: #5E6E66;
  --ember: #D9552C;
  --mist: #D6E2DB;

  --rail-w: 96px;
  --bar-h: 64px;

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --bw: 2px;
  --shadow-hard: 8px 0 0 var(--charcoal);
  --shadow-soft: 5px 0 0 var(--charcoal);
  --ease: cubic-bezier(.22, .8, .24, 1);
}

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  padding-top: var(--bar-h);
  font-family: var(--font-display);
  font-size: clamp(16px, 1.05vw, 17px);
  line-height: 1.75;
  color: var(--charcoal);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video, canvas { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }

::selection { background: var(--cyan); color: var(--charcoal); }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  text-wrap: balance;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

.site-header :focus-visible,
.site-footer :focus-visible,
.card--dark :focus-visible {
  outline-color: var(--cyan);
}

/* ------------------------------------------------------------
   跳至主内容
   ------------------------------------------------------------ */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  display: inline-block;
  padding: 12px 20px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--charcoal);
  background: var(--cyan);
  border: var(--bw) solid var(--charcoal);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform .22s var(--ease);
}

.skip-link:focus { transform: translateY(0); }

/* ------------------------------------------------------------
   头部 · 移动优先（顶部品牌条 + 全屏抽屉）
   ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  background: var(--ink-green);
  color: var(--cream);
}

.header-bar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: var(--bar-h);
  padding: 0 clamp(14px, 4vw, 24px);
  background: var(--ink-green);
  border-bottom: var(--bw) solid var(--night-green);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  text-decoration: none;
  color: var(--cream);
}

.brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  color: var(--charcoal);
  background: var(--cyan);
  border: var(--bw) solid var(--charcoal);
  box-shadow: 4px 0 0 var(--ember);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand__name {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: .04em;
  line-height: 1.15;
  white-space: nowrap;
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  line-height: 1.3;
  color: var(--gold);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 10px 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--cream);
  background: transparent;
  border: var(--bw) solid rgba(243, 236, 221, .38);
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.nav-toggle:hover { color: var(--cyan); border-color: var(--cyan); }

.nav-toggle[data-open] {
  color: var(--charcoal);
  background: var(--cyan);
  border-color: var(--cyan);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform .26s var(--ease), opacity .26s var(--ease);
}

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

/* 抽屉导航 */
.site-nav {
  position: fixed;
  top: var(--bar-h);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 26px clamp(18px, 5vw, 32px) 44px;
  background: var(--night-green);
  border-top: var(--bw) solid var(--cyan);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
}

.site-nav[data-open] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
}

.site-nav__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 10px;
  font-size: clamp(17px, 4.6vw, 22px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 236, 221, .16);
  transition: color .18s var(--ease), background .18s var(--ease), padding-left .18s var(--ease);
}

.site-nav__link:hover { color: var(--cyan); background: rgba(0, 229, 195, .07); }

.site-nav__link[aria-current="page"] {
  color: var(--cyan);
  padding-left: 18px;
  box-shadow: inset 3px 0 0 var(--cyan);
}

.site-nav__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--gold);
}

.site-nav__link[aria-current="page"] .site-nav__index { color: var(--cyan); }

.site-nav__label { display: inline-block; }

.site-nav__foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid rgba(243, 236, 221, .16);
}

.site-nav__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(243, 236, 221, .62);
}

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: rgba(7, 39, 31, .68);
  opacity: 0;
  visibility: hidden;
  transition: opacity .28s var(--ease), visibility .28s;
}

.site-nav[data-open] ~ .nav-scrim {
  opacity: 1;
  visibility: visible;
}

@media (min-width: 1024px) {
  .nav-scrim { display: none; }
}

@media (max-width: 1023px) {
  body.nav-open { overflow: hidden; }
}

@media (max-width: 479px) {
  .brand__tag { display: none; }
  .nav-toggle__label { display: none; }
}

/* 滚动进度尺 */
.scroll-meter {
  position: fixed;
  top: var(--bar-h);
  left: 0;
  right: 0;
  height: 3px;
  z-index: 130;
  background: rgba(243, 236, 221, .12);
  pointer-events: none;
}

.scroll-meter__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--cyan);
  transform: scaleX(var(--p, 0));
  transform-origin: 0 50%;
}

/* ------------------------------------------------------------
   头部 · 桌面端左侧轨道
   ------------------------------------------------------------ */
@media (min-width: 1024px) {
  body { padding-top: 0; padding-left: var(--rail-w); }

  .site-header {
    top: 0;
    left: 0;
    right: auto;
    bottom: 0;
    width: var(--rail-w);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 18px 0 14px;
    background: var(--ink-green);
    border-right: var(--bw) solid var(--night-green);
  }

  .site-header::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: repeating-linear-gradient(
      0deg,
      rgba(243, 236, 221, .05) 0 1px,
      transparent 1px 96px
    );
  }

  .header-bar {
    position: relative;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    min-height: 0;
    padding: 0;
    background: transparent;
    border-bottom: 0;
  }

  .brand { flex-direction: column; gap: 12px; }
  .brand__text { flex-direction: row; align-items: center; writing-mode: vertical-rl; }
  .brand__name { font-size: 13px; letter-spacing: .18em; }
  .brand__tag { display: none; }
  .nav-toggle { display: none; }

  .site-nav {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    z-index: 2;
    flex: 1 1 auto;
    width: 100%;
    min-height: 0;
    padding: 4px 0 0;
    gap: 18px;
    background: transparent;
    border-top: 0;
    overflow-y: auto;
    overflow-x: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    align-items: center;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar { display: none; }

  .site-nav__list {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 10px 0;
    width: 100%;
    padding: 0 6px;
  }

  .site-nav__link {
    writing-mode: vertical-rl;
    align-items: center;
    gap: 0;
    padding: 9px 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .16em;
    line-height: 1;
    border-bottom: 0;
    border-radius: 2px;
  }

  .site-nav__link:hover { background: rgba(0, 229, 195, .1); }

  .site-nav__link[aria-current="page"] {
    padding-left: 8px;
    color: var(--cyan);
    box-shadow: none;
    background: rgba(0, 229, 195, .14);
  }

  .site-nav__index { display: none; }

  .site-nav__foot {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }

  .site-nav__note { display: none; }

  .site-nav__cta {
    writing-mode: vertical-rl;
    padding: 16px 9px;
    font-size: 12px;
    letter-spacing: .18em;
    box-shadow: none;
  }

  .scroll-meter {
    top: 0;
    left: calc(var(--rail-w) - 3px);
    right: auto;
    width: 3px;
    height: 100%;
    background: rgba(243, 236, 221, .1);
  }

  .scroll-meter__fill {
    width: 100%;
    height: 100%;
    transform: scaleY(var(--p, 0));
    transform-origin: 50% 0;
  }
}

/* ------------------------------------------------------------
   通用布局
   ------------------------------------------------------------ */
.wrap {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 56px);
}

.wrap--narrow { max-width: 860px; }

.grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 32px);
}

.grid--split { grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); }
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .grid--split,
  .grid--halves,
  .grid--thirds { grid-template-columns: minmax(0, 1fr); }
}

.rule {
  height: var(--bw);
  border: 0;
  margin: clamp(24px, 4vw, 48px) 0;
  background: var(--charcoal);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ember);
}

/* ------------------------------------------------------------
   按钮 / 标签 / 卡片
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.2;
  color: var(--charcoal);
  background: var(--paper);
  border: var(--bw) solid var(--charcoal);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 4px 0 var(--charcoal);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 0 0 var(--charcoal);
}

.btn--primary { background: var(--cyan); }
.btn--gold { background: var(--gold); }

.btn--ghost {
  color: var(--cream);
  background: transparent;
  border-color: var(--cream);
  box-shadow: 6px 0 0 rgba(0, 229, 195, .55);
}

.btn--ghost:hover { color: var(--charcoal); background: var(--cyan); border-color: var(--cyan); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  line-height: 1.3;
  color: var(--ember);
  border: 1px solid currentColor;
}

.tag--cyan { color: #009B85; }
.tag--gold { color: #A8641A; }
.card--dark .tag--cyan, .site-footer .tag--cyan { color: var(--cyan); }
.card--dark .tag--gold, .site-footer .tag--gold { color: var(--gold); }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.card {
  padding: clamp(18px, 2.4vw, 30px);
  background: var(--paper);
  border: var(--bw) solid var(--charcoal);
  box-shadow: var(--shadow-soft);
}

.card--dark {
  color: var(--cream);
  background: var(--night-green);
  border-color: var(--cyan);
  box-shadow: 6px 0 0 var(--cyan);
}

/* ------------------------------------------------------------
   面包屑
   ------------------------------------------------------------ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--steel);
}

.breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color .18s var(--ease);
}

.breadcrumb a:hover { color: var(--ember); }
.breadcrumb__sep { color: var(--mist); }

/* ------------------------------------------------------------
   图片容器（页面阶段放置 <img> 占位）
   ------------------------------------------------------------ */
.figure {
  display: block;
  margin: 0;
  border: var(--bw) solid var(--charcoal);
  background: var(--night-green);
  overflow: hidden;
}

.figure__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background-color: var(--night-green);
  background-image:
    repeating-linear-gradient(90deg, rgba(243, 236, 221, .07) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(243, 236, 221, .05) 0 1px, transparent 1px 72px),
    radial-gradient(120% 95% at 18% 0%, #14624A 0%, #0B3D2E 46%, #07271F 100%);
  overflow: hidden;
}

.figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(122deg, rgba(0, 229, 195, .18) 0%, transparent 44%, rgba(255, 179, 71, .16) 100%);
}

.figure__media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure__cap {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--steel);
  background: var(--paper);
  border-top: var(--bw) solid var(--charcoal);
}

/* ------------------------------------------------------------
   页脚
   ------------------------------------------------------------ */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  padding: clamp(40px, 6vw, 76px) clamp(18px, 4vw, 56px) clamp(22px, 3vw, 32px);
  color: var(--cream);
  background: var(--ink-green);
  border-top: var(--bw) solid var(--cyan);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(0, 229, 195, .06) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, rgba(243, 236, 221, .035) 0 1px, transparent 1px 120px);
  opacity: .9;
}

.site-footer > * { position: relative; z-index: 1; }

.footer-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(26px, 3.4vw, 48px);
  max-width: 1320px;
  margin: 0 auto;
}

.footer-brand { grid-column: span 4; min-width: 0; }

.footer-brand__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--cream);
}

.footer-brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
  line-height: 1;
  color: var(--charcoal);
  background: var(--gold);
  border: var(--bw) solid var(--charcoal);
  box-shadow: 4px 0 0 var(--cyan);
  transition: transform .18s var(--ease);
}

.footer-brand__link:hover .footer-brand__mark { transform: translateY(-3px); }

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: .05em;
}

.footer-brand__note {
  margin: 16px 0 0;
  max-width: 34ch;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 236, 221, .78);
}

.footer-nav {
  grid-column: span 5;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 30px);
  min-width: 0;
}

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

.footer-col__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--cream);
  border-bottom: 1px solid rgba(243, 236, 221, .2);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-col__list a {
  display: inline-block;
  padding: 4px 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(243, 236, 221, .76);
  text-decoration: none;
  transition: color .18s var(--ease), transform .18s var(--ease);
}

.footer-col__list a:hover {
  color: var(--cyan);
  transform: translateX(3px);
}

.footer-contact {
  grid-column: span 3;
  min-width: 0;
}

.footer-contact__list {
  display: grid;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(243, 236, 221, .84);
  word-break: break-word;
}

.footer-contact__list li {
  position: relative;
  padding-left: 15px;
}

.footer-contact__list li::before {
  content: "";
  position: absolute;
  top: .62em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--gold);
}

.footer-contact__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(214, 226, 219, .62);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  max-width: 1320px;
  margin: clamp(30px, 4.4vw, 58px) auto 0;
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(214, 226, 219, .7);
  border-top: 1px solid rgba(243, 236, 221, .16);
}

.footer-base__copy,
.footer-base__icp { margin: 0; }

@media (max-width: 1023px) {
  .footer-brand,
  .footer-nav,
  .footer-contact { grid-column: span 12; }
}

@media (max-width: 620px) {
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-base { justify-content: flex-start; }
}

/* ------------------------------------------------------------
   显现协议
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .55s var(--ease), transform .55s var(--ease);
  }

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

/* ------------------------------------------------------------
   降级动效
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}