/* ==========================================================================
   新2足球登入 · 共享样式 /assets/site.css
   深夜球场框架 + 边线式导航 + 展览铭牌式组件
   ========================================================================== */

/* 1. Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html.nav-locked { overflow: hidden; }
body { margin: 0; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6, p, figure, blockquote { margin: 0; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }
::selection { background: rgba(46, 125, 79, .62); color: #F3EBDC; }

/* 2. 变量 ----------------------------------------------------------------- */
:root {
  --bg-deep: #0C1613;
  --bg-stand: #16241F;
  --line: #2C3F38;
  --line-soft: rgba(44, 63, 56, .55);
  --pitch: #2E7D4F;
  --pitch-bright: #5CC98A;
  --warm: #F3EBDC;
  --red: #D7262B;
  --orange: #FF8A3D;
  --cyan: #35D6E8;
  --muted: #9CB2A8;

  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --topbar-h: 56px;
  --rail-w: 180px;
  --gutter: clamp(18px, 4vw, 52px);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --dur: 240ms;
  --dur-fast: 160ms;
}

/* 3. 基底与中文排版 ------------------------------------------------------- */
body {
  min-height: 100%;
  padding-top: var(--topbar-h);
  padding-left: var(--rail-w);
  background:
    radial-gradient(1200px 600px at 88% -12%, rgba(46, 125, 79, .20), transparent 62%),
    radial-gradient(760px 420px at 6% 108%, rgba(53, 214, 232, .10), transparent 60%),
    var(--bg-deep);
  color: var(--warm);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.26;
  transform: skewX(-3deg);
  transform-origin: left center;
}
h1 { font-size: clamp(30px, 5vw, 52px); }
h2 { font-size: clamp(24px, 3.4vw, 36px); }
h3 { font-size: clamp(19px, 2.2vw, 24px); }
h4 { font-size: 18px; }
p { max-width: 38em; }
strong { font-weight: 700; }

.mono, .num, [data-mono] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}
.muted { color: var(--muted); }
.kicker {
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase; color: var(--pitch-bright);
}
.lede { font-size: clamp(17px, 1.6vw, 19px); line-height: 1.85; color: var(--muted); }
.divider { height: 1px; border: 0; margin: 0; background: linear-gradient(90deg, transparent, var(--line) 12%, var(--line) 88%, transparent); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
#main-content { scroll-margin-top: calc(var(--topbar-h) + 18px); }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* 4. 布局骨架 ------------------------------------------------------------- */
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter); }
.wrap--wide { max-width: 1380px; }
.page-shell { padding: 0 0 clamp(48px, 8vw, 110px); }
.section { position: relative; padding: clamp(34px, 6vw, 86px) 0; }

.section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 18px;
  align-items: baseline;
  margin-bottom: clamp(20px, 3vw, 40px);
}
.sec-index {
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  letter-spacing: .18em; color: var(--pitch-bright); padding-top: .55em;
}
.sec-title { grid-column: 2; color: var(--warm); }
.sec-desc { grid-column: 2; color: var(--muted); font-size: 16px; }

.grid { display: grid; gap: clamp(14px, 2.2vw, 26px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }
.offset-a { margin-left: -2.4%; }
.offset-b { margin-left: 2.4%; }

/* 5. 面包屑 --------------------------------------------------------------- */
.breadcrumb { padding: 22px 0 0; }
.breadcrumb__list {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--muted);
}
.breadcrumb__list li + li::before { content: "／"; margin-right: 8px; color: var(--line); }
.breadcrumb__list a { color: var(--muted); text-decoration: none; }
.breadcrumb__list a:hover { color: var(--cyan); }
.breadcrumb__list [aria-current="page"] { color: var(--warm); }

/* 6. 按钮 ----------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border: 1px solid transparent; border-radius: 999px;
  font-size: 15px; font-weight: 700; line-height: 1.2; text-decoration: none; cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.btn--red { background: var(--red); color: var(--warm); box-shadow: 0 10px 24px -14px rgba(215, 38, 43, .95); }
.btn--red:hover { background: #e2363b; transform: translateY(-1px); }
.btn--ghost { border-color: var(--line); background: rgba(22, 36, 31, .6); color: var(--warm); }
.btn--ghost:hover { border-color: var(--pitch-bright); color: var(--pitch-bright); }
.btn--cyan { border-color: rgba(53, 214, 232, .5); background: rgba(53, 214, 232, .08); color: var(--cyan); }
.btn--cyan:hover { background: rgba(53, 214, 232, .16); }
.btn--sm { padding: 9px 16px; font-size: 14px; }

/* 7. 卡片 / 铭牌 / 标签 ---------------------------------------------------- */
.card {
  position: relative; overflow: hidden;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line); border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(22, 36, 31, .94), rgba(12, 22, 19, .80));
}
.card::after {
  content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 46px;
  background: linear-gradient(180deg, var(--pitch-bright), transparent);
}
.placard {
  display: flex; flex-direction: column; gap: 8px;
  padding: 16px 18px; border: 1px solid var(--line);
  border-left: 3px solid var(--pitch);
  border-radius: var(--radius-sm) var(--radius-md) var(--radius-md) var(--radius-sm);
  background: rgba(22, 36, 31, .72);
}
.placard__no { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .18em; color: var(--pitch-bright); }
.placard__name { font-size: 18px; font-weight: 900; letter-spacing: -.01em; color: var(--warm); }
.placard__meta { font-family: var(--font-mono); font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(44, 63, 56, .28);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--muted);
}
.tag--pitch { border-color: rgba(92, 201, 138, .45); background: rgba(46, 125, 79, .14); color: var(--pitch-bright); }
.tag--orange { border-color: rgba(255, 138, 61, .45); background: rgba(255, 138, 61, .10); color: var(--orange); }
.tag--cyan { border-color: rgba(53, 214, 232, .45); background: rgba(53, 214, 232, .08); color: var(--cyan); }
.tag--red { border-color: rgba(215, 38, 43, .55); background: rgba(215, 38, 43, .12); color: #f27073; }

/* 8. 筛选 / 时间轴 / 数据 -------------------------------------------------- */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-md);
  background: rgba(22, 36, 31, .60);
}
.filter-btn {
  appearance: none; padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px;
  background: transparent; color: var(--muted); font-size: 13px; font-weight: 600; cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}
.filter-btn:hover { color: var(--cyan); border-color: rgba(53, 214, 232, .5); }
.filter-btn[aria-pressed="true"] { background: var(--pitch); border-color: var(--pitch-bright); color: var(--warm); }
.filter-count { margin-left: auto; font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--muted); }
[data-filter-item][hidden] { display: none !important; }
[data-filter-item].is-filtered { animation: itemIn var(--dur-fast) var(--ease) both; }
@keyframes itemIn { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }

.timeline { position: relative; padding-left: 78px; }
.timeline::before {
  content: ""; position: absolute; left: 64px; top: 6px; bottom: 6px; width: 1px;
  background: linear-gradient(180deg, transparent, var(--line) 6%, var(--line) 94%, transparent);
}
.timeline__item { position: relative; padding: 14px 0; border-bottom: 1px dashed var(--line-soft); }
.timeline__item:last-child { border-bottom: 0; }
.timeline__time {
  position: absolute; left: -78px; top: 16px; width: 52px; text-align: right;
  font-family: var(--font-mono); font-size: 15px; font-weight: 700;
  color: var(--orange); font-variant-numeric: tabular-nums;
}
.timeline__dot {
  position: absolute; left: -19px; top: 21px; width: 10px; height: 10px; border-radius: 50%;
  background: var(--orange); box-shadow: 0 0 0 4px rgba(255, 138, 61, .15);
}
.timeline__body { color: var(--muted); }
.timeline__body strong { color: var(--warm); }
.timeline__item.is-live .timeline__dot { animation: pulse 1.8s var(--ease) infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255, 138, 61, .15); }
  40% { box-shadow: 0 0 0 10px rgba(255, 138, 61, .04); }
}

.table-scroll {
  width: 100%; overflow-x: auto;
  border: 1px solid var(--line); border-radius: var(--radius-md);
  background: rgba(12, 22, 19, .60);
}
.data-table { min-width: 560px; font-size: 15px; }
.data-table caption {
  padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; color: var(--muted);
}
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line-soft); }
.data-table th {
  background: rgba(22, 36, 31, .60);
  font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .12em; color: var(--muted);
}
.data-table td { color: var(--muted); }
.data-table td strong { color: var(--warm); }
.data-table .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--orange); }
.data-table tbody tr:hover { background: rgba(46, 125, 79, .10); }
.data-table tbody tr:last-child td { border-bottom: 0; }

.stat { display: flex; flex-direction: column; gap: 6px; padding: 16px 0; }
.stat__num {
  font-family: var(--font-mono); font-size: clamp(26px, 3.6vw, 40px); font-weight: 700;
  line-height: 1; color: var(--cyan); font-variant-numeric: tabular-nums;
}
.stat__label { font-size: 14px; color: var(--muted); }
.stat--orange .stat__num { color: var(--orange); }

/* 9. 图片容器（页面阶段放置 <img>） --------------------------------------- */
.media {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--bg-stand), #0A1310);
}
.media__img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.media--wide .media__img { aspect-ratio: 21 / 9; }
.media--tall .media__img { aspect-ratio: 3 / 4; }
.media--square .media__img { aspect-ratio: 1 / 1; }
.media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(165deg, rgba(46, 125, 79, .22), rgba(12, 22, 19, .10) 46%, rgba(12, 22, 19, .62)),
    radial-gradient(78% 58% at 78% 6%, rgba(243, 235, 220, .14), transparent 62%);
}
.media__cap {
  position: relative; z-index: 1; padding: 12px 16px;
  border-top: 1px solid var(--line); background: rgba(12, 22, 19, .72);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--muted);
}

/* 10. 显现动效 ------------------------------------------------------------ */
.has-js [data-reveal] {
  opacity: 0; transform: translate3d(-22px, 0, 0);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.has-js [data-reveal].is-visible { opacity: 1; transform: none; }

/* 11. 页头框架 ------------------------------------------------------------ */
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 200;
  padding: 10px 16px; border-radius: 8px; background: var(--warm); color: #0C1613;
  font-weight: 700; text-decoration: none;
  transform: translateY(-180%); transition: transform var(--dur-fast) var(--ease);
}
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0; z-index: 60; pointer-events: none; }
.site-header > * { pointer-events: auto; }

.topbar {
  position: absolute; top: 0; left: 0; right: 0;
  height: var(--topbar-h); display: flex; align-items: stretch;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 16, 14, .93);
  backdrop-filter: blur(8px);
}
.brand {
  flex: 0 0 var(--rail-w); width: var(--rail-w);
  display: flex; align-items: center; gap: 10px; padding: 0 16px;
  border-right: 1px solid var(--line); background: var(--bg-stand);
  text-decoration: none;
}
.brand__mark {
  position: relative; flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid var(--pitch-bright);
  background: radial-gradient(circle at 32% 28%, rgba(92, 201, 138, .55), rgba(12, 22, 19, .92) 72%);
}
.brand__mark::after {
  content: ""; position: absolute; inset: 4px; border-radius: 50%;
  border: 1px dashed rgba(243, 235, 220, .35);
}
.brand__name { font-size: 15px; font-weight: 900; letter-spacing: .01em; color: var(--warm); white-space: nowrap; }

.season-tag {
  display: flex; align-items: center; gap: 8px; padding-left: 18px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em;
  color: var(--muted); white-space: nowrap;
}
.season-tag::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--pitch-bright); box-shadow: 0 0 0 4px rgba(92, 201, 138, .14);
}

.topbar__aux { margin-left: auto; display: flex; align-items: center; gap: 16px; padding-right: 20px; }
.aux-link {
  padding: 6px 0; border-bottom: 1px solid transparent;
  font-size: 13px; color: var(--muted); text-decoration: none;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.aux-link:hover { color: var(--cyan); border-bottom-color: rgba(53, 214, 232, .6); }

.icon-link {
  position: relative; display: none; width: 36px; height: 36px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 50%; text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease);
}
.icon-link:hover { border-color: rgba(53, 214, 232, .6); }
.icon-link__glass {
  width: 11px; height: 11px; margin: -4px -4px 0 0;
  border: 2px solid var(--muted); border-radius: 50%;
}
.icon-link::after {
  content: ""; position: absolute; right: 8px; bottom: 8px; width: 8px; height: 2px;
  border-radius: 2px; background: var(--muted); transform: rotate(45deg);
}
.icon-link:hover .icon-link__glass { border-color: var(--cyan); }
.icon-link:hover::after { background: var(--cyan); }

.cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px;
  font-size: 14px; font-weight: 700; line-height: 1.2; white-space: nowrap; text-decoration: none;
  transition: transform var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.cta--red { background: var(--red); color: var(--warm); box-shadow: 0 8px 22px -12px rgba(215, 38, 43, .95); }
.cta--red:hover { background: #e23a3f; transform: translateY(-1px); }

.nav-toggle {
  display: none; align-items: center; gap: 9px;
  padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: transparent; color: var(--muted); font-size: 13px; font-weight: 600; cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.nav-toggle:hover { color: var(--cyan); border-color: rgba(53, 214, 232, .5); }
.nav-toggle__bars {
  position: relative; display: block; width: 16px; height: 2px; border-radius: 2px;
  background: currentColor; transition: background-color var(--dur-fast) var(--ease);
}
.nav-toggle__bars::before, .nav-toggle__bars::after {
  content: ""; position: absolute; left: 0; width: 16px; height: 2px; border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.site-header[data-open] .nav-toggle__bars { background: transparent; }
.site-header[data-open] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.site-header[data-open] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

.primary-nav {
  position: absolute; top: var(--topbar-h); left: 0; bottom: 0; width: var(--rail-w);
  display: flex; flex-direction: column; padding: 22px 0 18px;
  background: var(--bg-stand); border-right: 1px solid var(--line);
  overflow-y: auto; overscroll-behavior: contain;
}
.rail-label {
  padding: 0 18px 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em;
  color: rgba(156, 178, 168, .7);
}
.nav-list { counter-reset: navidx; }
.nav-list > li > a {
  position: relative; display: flex; align-items: center; gap: 10px;
  padding: 11px 18px 11px 15px;
  border-left: 3px solid transparent;
  font-size: 15px; font-weight: 500; color: var(--muted); text-decoration: none;
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.nav-list > li > a::before {
  counter-increment: navidx; content: counter(navidx, decimal-leading-zero);
  font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .12em;
  color: rgba(156, 178, 168, .55);
}
.nav-list > li > a:hover {
  color: var(--warm);
  background: linear-gradient(90deg, rgba(46, 125, 79, .22), transparent);
  border-left-color: var(--pitch-bright);
}
.nav-list > li > a:hover::before { color: var(--pitch-bright); }
.nav-list > li > a[aria-current="page"] {
  color: var(--warm); font-weight: 700;
  background: linear-gradient(90deg, rgba(46, 125, 79, .34), rgba(46, 125, 79, .04));
  border-left-color: var(--pitch-bright);
}
.nav-list > li > a[aria-current="page"]::before { color: var(--orange); }

.rail-foot { margin-top: auto; padding: 18px 18px 0; border-top: 1px solid var(--line); }
.rail-hint { font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.rail-arc {
  width: 110px; height: 56px; margin-top: 14px;
  border: 1px solid var(--line); border-bottom: 0;
  border-radius: 110px 110px 0 0;
  background: linear-gradient(180deg, rgba(46, 125, 79, .18), transparent);
}

.site-header .nav-scrim {
  display: none; position: absolute; top: var(--topbar-h); left: 0; right: 0; bottom: 0;
  z-index: 1; opacity: 0; pointer-events: none;
  background: rgba(5, 10, 9, .66);
  transition: opacity var(--dur) var(--ease);
}
.site-header .scroll-progress {
  position: absolute; left: 0; right: 0; top: calc(var(--topbar-h) - 2px);
  height: 2px; overflow: hidden; pointer-events: none;
}
.scroll-progress span {
  display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: left center;
  background: linear-gradient(90deg, var(--pitch-bright), var(--cyan) 68%, var(--orange));
  transition: transform 120ms linear;
}

/* 12. 页脚 ---------------------------------------------------------------- */
.site-footer { background: var(--bg-stand); border-top: 1px solid var(--line); }
.footer-edge {
  height: 2px;
  background: linear-gradient(90deg,
    var(--pitch) 0 26%, var(--orange) 26% 34%,
    rgba(44, 63, 56, .9) 34% 100%);
}
.footer-inner { max-width: 1180px; margin: 0 auto; padding: clamp(28px, 5vw, 56px) var(--gutter) 24px; }
.footer-top {
  display: grid; grid-template-columns: minmax(220px, 1.1fr) 2.4fr;
  gap: clamp(24px, 4vw, 56px);
}
.brand--footer { width: auto; flex: 0 0 auto; padding: 0; border-right: 0; background: transparent; }
.footer-note { margin-top: 14px; font-size: 14.5px; line-height: 1.8; color: var(--muted); }
.footer-stamp {
  margin-top: 12px; font-family: var(--font-mono); font-size: 12px;
  letter-spacing: .1em; color: rgba(156, 178, 168, .8);
}
.footer-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 3vw, 36px); }
.footer-col__title {
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  letter-spacing: .16em; color: var(--warm); transform: none;
}
.footer-col__title::after {
  content: ""; display: block; width: 26px; height: 2px; margin-top: 8px;
  background: var(--pitch-bright);
}
.footer-list { display: flex; flex-direction: column; gap: 9px; margin-top: 12px; }
.footer-list a {
  font-size: 14.5px; color: var(--muted); text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.footer-list a::before { content: "／"; margin-right: 6px; font-family: var(--font-mono); color: var(--line); }
.footer-list a:hover { color: var(--cyan); }
.footer-list a:hover::before { color: var(--pitch-bright); }
.footer-list--compact a { font-size: 13.5px; }

.footer-contact {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px 28px; margin-top: clamp(24px, 4vw, 44px); padding-top: 20px;
  border-top: 1px dashed var(--line-soft);
}
.contact-item { display: flex; flex-direction: column; gap: 6px; }
.contact-item__key {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: .18em; color: var(--pitch-bright); text-transform: uppercase;
}
.contact-item__val { font-size: 15px; color: var(--warm); word-break: break-word; }
.contact-item__val--mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.contact-item__row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.copy-btn {
  padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px;
  background: transparent; color: var(--cyan);
  font-size: 12px; font-weight: 600; cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.copy-btn:hover { background: rgba(53, 214, 232, .12); border-color: rgba(53, 214, 232, .55); }
.copy-status {
  grid-column: 1 / -1; min-height: 1.6em; max-width: none;
  font-family: var(--font-mono); font-size: 12px; color: var(--pitch-bright);
}
.footer-meta {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 10px 24px; margin-top: clamp(20px, 3vw, 32px); padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: rgba(156, 178, 168, .8);
}
.footer-copy { max-width: none; }

/* 13. 响应式 -------------------------------------------------------------- */
@media (max-width: 1023px) {
  body { padding-left: 0; }
  .brand { flex: 0 0 auto; width: auto; padding: 0 14px; border-right: 0; background: transparent; }
  .topbar__aux { gap: 12px; padding-right: 14px; }
  .aux-link { font-size: 12.5px; }
  .nav-toggle { display: inline-flex; }
  .icon-link { display: inline-flex; }
  .primary-nav {
    top: var(--topbar-h); z-index: 2;
    width: min(84vw, 320px);
    transform: translateX(-104%);
    box-shadow: 28px 0 60px -30px rgba(0, 0, 0, .9);
    transition: transform var(--dur) var(--ease);
  }
  .site-header[data-open] .primary-nav { transform: none; }
  .site-header .nav-scrim { display: block; }
  .site-header[data-open] .nav-scrim { opacity: 1; pointer-events: auto; }
}

@media (max-width: 900px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .col-3, .col-4, .col-6, .col-8 { grid-column: span 12; }
  .offset-a, .offset-b { margin-left: 0; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 719px) {
  .season-tag { display: none; }
  .aux-link { display: none; }
  .cta { padding: 9px 14px; font-size: 13px; }
  .brand { padding: 0 12px; }
  .topbar__aux { gap: 9px; }
  .timeline { padding-left: 64px; }
  .timeline::before { left: 52px; }
  .timeline__time { left: -64px; width: 44px; font-size: 14px; }
  .timeline__dot { left: -15px; }
}

@media (max-width: 600px) {
  .footer-cols { grid-template-columns: 1fr; }
  .footer-contact { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .icon-link { display: none; }
  .brand { padding: 0 10px; }
  .brand__name { font-size: 14px; }
  .brand__mark { width: 19px; height: 19px; }
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: 9px 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .has-js [data-reveal] { opacity: 1; transform: none; }
  .scroll-progress span { transition: none; }
}