/* ============================================================
   亚新综合体育 · 点球记录台  共享样式  /assets/site.css
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 7.5rem;
}

body, h1, h2, h3, h4, p, dl, dt, dd, figure, blockquote, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, picture, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- 2. 变量 ---------- */
:root {
  --turf: #17B85A;
  --ink-green: #072A1D;
  --night-green: #0E3B29;
  --spot-white: #F6FBF6;
  --alert-yellow: #FFD400;
  --cyan: #23C0E8;
  --orange: #FF6A2B;
  --paper: #EDF4ED;
  --char: #0D1613;
  --moss: #8FD9AE;

  --line: rgba(143, 217, 174, .24);
  --line-strong: rgba(143, 217, 174, .52);
  --warn-line: rgba(255, 212, 0, .60);

  --gutter: clamp(.9rem, 3vw, 2rem);
  --shell: 1240px;

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-data: "Roboto Mono", "JetBrains Mono", "Noto Sans Mono SC", "SFMono-Regular", Consolas, "Courier New", monospace;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;

  --ease: cubic-bezier(.2, .7, .3, 1);
  --dur: 160ms;

  --cut-a: 22px;
  --cut-b: 18px;
}

/* ---------- 3. 中文排版基底 ---------- */
body {
  background-color: var(--ink-green);
  background-image:
    linear-gradient(180deg, rgba(23, 184, 90, .08) 0%, rgba(23, 184, 90, 0) 36%),
    repeating-linear-gradient(90deg, rgba(143, 217, 174, .05) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(143, 217, 174, .035) 0 1px, transparent 1px 96px);
  color: var(--spot-white);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: .012em;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; text-wrap: balance; }
p { text-wrap: pretty; }
strong, b { font-weight: 700; }
::selection { background: var(--turf); color: var(--ink-green); }

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

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

.section { padding-block: clamp(2.4rem, 6vw, 5rem); }
.section--tight { padding-block: clamp(1.6rem, 4vw, 2.8rem); }

#main-content { display: block; scroll-margin-top: 7.5rem; }

.grid { display: grid; gap: clamp(.9rem, 2vw, 1.5rem); }
.stack { display: grid; gap: clamp(.7rem, 1.6vw, 1.1rem); }

@media (min-width: 820px) {
  .grid--7-5 { grid-template-columns: 7fr 5fr; }
  .grid--8-4 { grid-template-columns: 8fr 4fr; }
  .grid--5-7 { grid-template-columns: 5fr 7fr; }
}

/* ---------- 5. 文字组件 ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: .02em;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: .03em;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-data);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--turf);
}

.lede {
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  line-height: 1.8;
  color: rgba(246, 251, 246, .84);
  max-width: 64ch;
}

.data {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  font-size: 1.125rem;
  letter-spacing: .02em;
}

.data--lg {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.1;
}

.muted { color: var(--moss); }

.tag {
  display: inline-block;
  font-family: var(--font-data);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--turf);
}

/* ---------- 6. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 300;
  transform: translateY(-160%);
  padding: .6rem 1.4rem .6rem .9rem;
  background: var(--alert-yellow);
  color: var(--char);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 7. 按钮与链接 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.05rem;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .07em;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.btn::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--alert-yellow);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}
.btn:hover::after,
.btn:focus-visible::after { transform: scaleX(1); }

.btn-primary {
  background: var(--turf);
  color: var(--ink-green);
  border-color: var(--turf);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--alert-yellow);
  border-color: var(--alert-yellow);
  color: var(--char);
}

.btn-ghost {
  background: transparent;
  color: var(--moss);
  border-color: var(--line-strong);
}
.btn-ghost:hover,
.btn-ghost:focus-visible {
  color: var(--alert-yellow);
  border-color: var(--alert-yellow);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--turf);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.link-arrow::after {
  content: "→";
  transition: transform var(--dur) var(--ease);
}
.link-arrow:hover,
.link-arrow:focus-visible { color: var(--alert-yellow); }
.link-arrow:hover::after,
.link-arrow:focus-visible::after { transform: translateX(3px); }

.u-link {
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.u-link:hover,
.u-link:focus-visible {
  color: var(--alert-yellow);
  border-bottom-color: var(--alert-yellow);
}

/* ---------- 8. 面板 / 芯片 / 数据图形 ---------- */
.panel {
  position: relative;
  padding: clamp(1rem, 2.2vw, 1.6rem);
  background: var(--night-green);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.panel--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-a)),
                     calc(100% - var(--cut-a)) 100%, 0 100%);
}
.panel--cut-l {
  clip-path: polygon(0 var(--cut-a), var(--cut-a) 0, 100% 0, 100% 100%, 0 100%);
}
.panel:hover {
  box-shadow: inset 0 0 0 1px var(--warn-line);
  transform: translateY(-2px);
}
.panel--static:hover { transform: none; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .32rem .72rem;
  background: rgba(14, 59, 41, .62);
  box-shadow: inset 0 0 0 1px var(--line);
  font-family: var(--font-data);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--moss);
  text-decoration: none;
  transition: color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.chip:hover,
.chip:focus-visible {
  color: var(--alert-yellow);
  box-shadow: inset 0 0 0 1px var(--warn-line);
}
.chip[aria-pressed="true"],
.chip.is-on {
  background: var(--turf);
  color: var(--ink-green);
  box-shadow: inset 0 0 0 1px var(--alert-yellow);
}

.rail {
  display: flex;
  gap: clamp(.6rem, 1.4vw, 1rem);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding-bottom: .7rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(143, 217, 174, .45) transparent;
}
.rail > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.rail::-webkit-scrollbar { height: 6px; }
.rail::-webkit-scrollbar-track { background: rgba(143, 217, 174, .12); }
.rail::-webkit-scrollbar-thumb { background: rgba(143, 217, 174, .45); }

/* ---------- 9. 面包屑 / 目录 ---------- */
.breadcrumb {
  font-family: var(--font-data);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--moss);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
}
.breadcrumb li + li::before {
  content: "/";
  margin-right: .35rem;
  color: rgba(143, 217, 174, .5);
}
.breadcrumb a {
  color: var(--spot-white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--alert-yellow);
  border-bottom-color: var(--alert-yellow);
}
.breadcrumb [aria-current="page"] { color: var(--moss); }

.stack-index {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.stack-index li { border-bottom: 1px solid var(--line); }
.stack-index a {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  padding: .7rem .2rem;
  font-size: .95rem;
  text-decoration: none;
  color: var(--spot-white);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.stack-index a:hover,
.stack-index a:focus-visible {
  color: var(--alert-yellow);
  padding-left: .6rem;
}
.stack-index .index-key {
  font-family: var(--font-data);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--turf);
}

/* ---------- 10. 图像容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--night-green);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-b)),
                     calc(100% - var(--cut-b)) 100%, 0 100%);
}
.media-frame > img,
.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.94) contrast(1.06);
}
.media-frame--3x2 { aspect-ratio: 3 / 2; }
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x5 { aspect-ratio: 4 / 5; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }

.media-frame__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .3rem .75rem;
  background: rgba(7, 42, 29, .88);
  box-shadow: inset 0 0 0 1px var(--line);
  font-family: var(--font-data);
  font-size: .7rem;
  letter-spacing: .09em;
  color: var(--moss);
}

/* ---------- 11. 反色分区 ---------- */
.zone-light {
  background: var(--paper);
  color: var(--char);
}
.zone-light .section-title,
.zone-light .display { color: var(--char); }
.zone-light .lede { color: #3c5a4c; }
.zone-light .muted { color: #51705f; }
.zone-light a { color: #0b6b3d; }
.zone-light .panel {
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(13, 22, 19, .16);
}
.zone-light .panel:hover { box-shadow: inset 0 0 0 1px rgba(255, 212, 0, .9); }

/* ============================================================
   12. 页头
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(7, 42, 29, .96);
  border-top: 3px solid var(--turf);
  border-bottom: 1px solid var(--line);
  color: var(--spot-white);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-utility {
  background: var(--night-green);
  border-bottom: 1px solid var(--line);
}
.utility-inner {
  width: min(var(--shell), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .3rem 1.6rem;
  padding-block: .3rem;
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .06em;
}
.utility-item { display: inline-flex; gap: .45rem; }
.utility-key { color: rgba(143, 217, 174, .66); }
.utility-val { color: var(--spot-white); }

.header-inner {
  width: min(var(--shell), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .6rem;
}

/* --- 品牌 --- */
.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  min-width: 0;
}
.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 2px solid var(--turf);
  background:
    radial-gradient(circle at 50% 50%, rgba(23, 184, 90, .34), transparent 72%);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}
.brand-mark::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--spot-white);
  box-shadow: 0 0 0 4px rgba(246, 251, 246, .16);
}
.brand-text { display: block; min-width: 0; }
.brand-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: .09em;
  line-height: 1.1;
  color: var(--spot-white);
  white-space: nowrap;
}
.brand-sub {
  display: block;
  margin-top: .16rem;
  font-family: var(--font-data);
  font-size: .66rem;
  letter-spacing: .05em;
  color: var(--moss);
  white-space: nowrap;
}

/* --- 右侧操作区 --- */
.header-aside {
  display: flex;
  align-items: center;
  gap: .7rem;
  flex: 0 0 auto;
}

.season-switch {
  display: flex;
  gap: .2rem;
  padding: .2rem;
  background: rgba(14, 59, 41, .9);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.season-chip {
  display: inline-flex;
  align-items: baseline;
  gap: .3rem;
  padding: .3rem .62rem;
  border: 1px solid transparent;
  font-family: var(--font-data);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--moss);
  transition: color var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.season-code { font-size: .86rem; letter-spacing: .04em; }
.season-label { font-family: var(--font-body); font-size: .66rem; opacity: .82; }
.season-chip:hover,
.season-chip:focus-visible {
  color: var(--spot-white);
  border-color: var(--warn-line);
}
.season-chip[aria-pressed="true"] {
  background: var(--turf);
  border-color: var(--alert-yellow);
  color: var(--ink-green);
}

/* --- 汉堡按钮 --- */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .7rem;
  border: 1px solid var(--line-strong);
  font-family: var(--font-display);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--moss);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-toggle:hover,
.nav-toggle:focus-visible {
  color: var(--alert-yellow);
  border-color: var(--alert-yellow);
}
.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 18px;
}
.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.site-header[data-open] .nav-toggle-bars i:nth-child(1) { transform: translateY(5px) 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(-5px) rotate(-45deg); }

/* --- 主导航（框架式） --- */
.site-nav {
  max-height: 0;
  overflow: hidden;
  background: rgba(7, 42, 29, .72);
  border-top: 1px solid var(--line);
  transition: max-height 220ms var(--ease);
}
.site-header[data-open] .site-nav {
  max-height: 68vh;
  overflow-y: auto;
}
.nav-list {
  width: min(var(--shell), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
}
.nav-list li { display: flex; }
.nav-list a {
  position: relative;
  display: block;
  padding: .68rem 1.08rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-decoration: none;
  color: var(--moss);
  border-right: 1px solid var(--line);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--turf);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}
.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--spot-white);
  background: rgba(23, 184, 90, .12);
}
.nav-list a:hover::after,
.nav-list a:focus-visible::after { transform: scaleX(1); }
.nav-list a[aria-current="page"] {
  background: var(--turf);
  color: var(--ink-green);
}
.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--alert-yellow);
}

/* --- 滚动进度轨 --- */
.header-progress {
  height: 3px;
  background: rgba(143, 217, 174, .14);
}
.header-progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--turf) 0%, var(--alert-yellow) 100%);
}

/* --- 移动端导航形态 --- */
@media (max-width: 899px) {
  .nav-list { flex-direction: column; }
  .nav-list li { display: block; }
  .nav-list a {
    padding: .88rem 1.1rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.05rem;
  }
  .nav-list a::after {
    width: 3px;
    height: 100%;
    top: 0;
    left: 0;
    transform: scaleY(0);
    transform-origin: top center;
  }
  .nav-list a:hover::after,
  .nav-list a:focus-visible::after,
  .nav-list a[aria-current="page"]::after { transform: scaleY(1); }
}

@media (min-width: 900px) {
  .site-nav {
    max-height: none;
    overflow: visible;
    transition: none;
  }
  .nav-toggle { display: none; }
}

@media (max-width: 860px) {
  .season-switch { display: none; }
}

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

@media (max-width: 760px) {
  .header-utility { display: none; }
}

/* ============================================================
   13. 页脚
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 8vw, 6rem);
  background: var(--ink-green);
  border-top: 3px solid var(--turf);
  color: var(--spot-white);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 6px 0 auto 0;
  height: 1px;
  background: var(--line);
}

.footer-stage {
  width: min(var(--shell), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: grid;
  gap: clamp(1.5rem, 3.6vw, 2.6rem);
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

.footer-brand { display: grid; gap: .8rem; align-content: start; }
.brand--footer .brand-name { font-size: 1.28rem; }
.footer-signature {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.45;
  color: var(--spot-white);
  max-width: 22ch;
}
.footer-meta {
  font-size: .86rem;
  line-height: 1.7;
  color: var(--moss);
  max-width: 30ch;
}
.footer-stamp {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .1em;
  color: rgba(143, 217, 174, .8);
}
.footer-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--alert-yellow);
  box-shadow: 0 0 0 4px rgba(255, 212, 0, .16);
}

.footer-col { display: grid; gap: .6rem; align-content: start; }
.footer-col-title {
  font-family: var(--font-data);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--turf);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--line);
}
.footer-links { display: grid; gap: .1rem; }
.footer-links a {
  display: inline-block;
  padding-block: .3rem;
  font-size: .95rem;
  text-decoration: none;
  color: var(--spot-white);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--alert-yellow);
  border-bottom-color: var(--alert-yellow);
}

.footer-contact {
  display: grid;
  gap: 1rem;
  align-content: start;
}
.footer-contact-title {
  font-family: var(--font-data);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--turf);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--line);
}
.contact-list { display: grid; gap: 0; }
.contact-row {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: .8rem;
  padding-block: .5rem;
  border-bottom: 1px dashed rgba(143, 217, 174, .22);
}
.contact-key {
  font-family: var(--font-data);
  font-size: .76rem;
  letter-spacing: .06em;
  color: rgba(143, 217, 174, .72);
}
.contact-val {
  font-family: var(--font-data);
  font-size: .92rem;
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--spot-white);
  word-break: break-word;
}
.footer-note {
  font-size: .84rem;
  line-height: 1.75;
  color: var(--moss);
  max-width: 56ch;
}

.footer-base {
  background: var(--night-green);
  border-top: 1px solid var(--line);
}
.footer-base-inner {
  width: min(var(--shell), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .4rem 1.4rem;
  padding-block: .75rem;
}
.footer-legal {
  font-family: var(--font-data);
  font-size: .74rem;
  letter-spacing: .06em;
  color: rgba(143, 217, 174, .82);
}

@media (min-width: 700px) {
  .footer-stage { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (min-width: 760px) {
  .footer-contact { grid-template-columns: 1.15fr 1fr; column-gap: 2rem; }
  .footer-contact-title { grid-column: 1 / -1; }
}
@media (min-width: 1040px) {
  .footer-stage { grid-template-columns: 1.7fr 1fr 1fr 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-contact {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
    padding-top: clamp(1.4rem, 2.8vw, 2.2rem);
    border-top: 1px solid var(--line);
  }
}

/* ---------- 14. 无障碍与降级 ---------- */
@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;
  }
}

@media print {
  .site-header,
  .site-footer { position: static; }
  .skip-link { display: none; }
}