/* ============================================================
   易倍体育入口 · 赛季数据台共享样式
   /assets/site.css
   ============================================================ */

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

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

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

ul, ol { margin: 0; padding: 0; }

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

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink-950: #0A1128;
  --ink-900: #111B3F;
  --ink-800: #1B2A5E;
  --ink-700: #26386F;
  --paper: #E8ECF8;
  --soft: #C6D0EA;
  --body: #B9C4E2;
  --muted: #7C8DB5;
  --orange: #FF6B1A;
  --orange-soft: rgba(255, 107, 26, .12);
  --cyan: #00E5C7;
  --cyan-soft: rgba(0, 229, 199, .10);
  --amber: #FFD166;
  --teal: #2DD4BF;
  --red: #D7263D;

  --line: rgba(124, 141, 181, .20);
  --line-strong: rgba(124, 141, 181, .34);

  --font-display: "Barlow Condensed", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: Inter, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --rail-w: 264px;
  --bar-h: 62px;
  --shell: 1240px;
  --gutter: clamp(1.1rem, 3.2vw, 2.6rem);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  --t-fast: .18s cubic-bezier(.2, .7, .3, 1);
  --t-med: .34s cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink-950);
  background-image:
    repeating-linear-gradient(90deg, rgba(124, 141, 181, .05) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(124, 141, 181, .04) 0 1px, transparent 1px 96px),
    radial-gradient(1200px 720px at 88% -12%, rgba(0, 229, 199, .10), transparent 62%),
    radial-gradient(900px 620px at -10% 8%, rgba(255, 107, 26, .09), transparent 64%);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.005em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.3rem, 5.6vw, 4.1rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.08rem; font-weight: 700; }

p { max-width: 72ch; }

::selection {
  background: var(--orange);
  color: var(--ink-950);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 4. Layout ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--wide { max-width: 1500px; }

.section { padding-block: clamp(2.4rem, 5vw, 4.4rem); }
.section--tight { padding-block: clamp(1.3rem, 2.6vw, 2.2rem); }

.grid-12 {
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.8rem);
  grid-template-columns: minmax(0, 1fr);
}

.stack { display: grid; gap: var(--stack, 1rem); }

.rule {
  height: 1px;
  border: 0;
  margin: clamp(1.6rem, 4vw, 3rem) 0;
  background: linear-gradient(90deg, var(--line-strong), rgba(0, 229, 199, .35) 45%, transparent);
}

@media (min-width: 900px) {
  .grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .col-3 { grid-column: span 3; }
  .col-4 { grid-column: span 4; }
  .col-5 { grid-column: span 5; }
  .col-6 { grid-column: span 6; }
  .col-7 { grid-column: span 7; }
  .col-8 { grid-column: span 8; }
  .col-9 { grid-column: span 9; }
  .col-12 { grid-column: span 12; }
}

/* 桌面端为左侧轨道让位，移动端为顶栏让位 */
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
}

@media (max-width: 1023px) {
  body { padding-top: var(--bar-h); }
  body.is-nav-open { overflow: hidden; }
}

/* ---------- 5. Skip link ---------- */
.skip-link {
  position: fixed;
  left: 1rem;
  top: -120px;
  z-index: 200;
  padding: .72rem 1.15rem;
  background: var(--orange);
  color: var(--ink-950);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: .02em;
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: top var(--t-fast);
}

.skip-link:focus { top: .9rem; }

/* ---------- 6. Header / 赛季轮次轨道 ---------- */
.rail {
  position: fixed;
  z-index: 60;
  background: linear-gradient(180deg, rgba(10, 17, 40, .97), rgba(10, 17, 40, .90));
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.rail__inner {
  position: relative;
  width: 100%;
}

.rail__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.rail__brand {
  display: flex;
  align-items: center;
  gap: .72rem;
  text-decoration: none;
  min-width: 0;
}

.rail__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(140deg, #FF8A45, var(--orange) 62%, #C94A08);
  color: var(--ink-950);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 0 0 1px rgba(255, 107, 26, .40), 0 10px 24px rgba(255, 107, 26, .18);
}

.rail__wordmark {
  display: grid;
  gap: 2px;
  line-height: 1.12;
  min-width: 0;
}

.rail__wordmark strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: .02em;
  color: var(--paper);
  white-space: nowrap;
}

.rail__wordmark small {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* 抽屉按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  flex: none;
  padding: .5rem .85rem;
  background: rgba(27, 42, 94, .55);
  border: 1px solid var(--ink-800);
  border-radius: 999px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
}

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

.nav-toggle__bars {
  display: grid;
  gap: 3px;
  width: 16px;
}

.nav-toggle__bars i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform var(--t-fast), opacity var(--t-fast), background var(--t-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
  background: var(--orange);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
  background: var(--orange);
}

/* 轨道导航 */
.rail__nav {
  display: grid;
  align-content: start;
  gap: .25rem;
}

.rail__navlabel {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .7rem .8rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.rail__navlabel span { color: var(--cyan); }

.rail__list {
  display: grid;
  gap: .18rem;
  list-style: none;
}

.rail__item { list-style: none; }

.rail__link {
  position: relative;
  display: grid;
  grid-template-columns: 1.7rem minmax(0, 1fr);
  align-items: center;
  gap: .6rem;
  padding: .6rem .7rem;
  border-radius: var(--r-sm);
  text-decoration: none;
  color: var(--muted);
  transition: color var(--t-fast), background var(--t-fast);
}

.rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 0;
  border-radius: 2px;
  background: var(--orange);
  transform: translateY(-50%);
  transition: height var(--t-fast);
}

.rail__link:hover {
  color: var(--paper);
  background: rgba(27, 42, 94, .45);
}

.rail__link:hover::before { height: 34%; }

.rail__index {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--ink-700);
  transition: color var(--t-fast);
}

.rail__label {
  font-size: .96rem;
  font-weight: 600;
  letter-spacing: .01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rail__link[aria-current="page"] {
  color: var(--paper);
  background: linear-gradient(90deg, var(--orange-soft), transparent 78%);
}

.rail__link[aria-current="page"]::before { height: 62%; }

.rail__link[aria-current="page"] .rail__index { color: var(--orange); }

.rail__cta {
  display: grid;
  gap: .6rem;
  margin-top: 1.15rem;
  padding-left: .8rem;
}

/* 轨道底部计量表 */
.rail__foot {
  margin-top: auto;
  display: grid;
  gap: .6rem;
  padding: 1rem .8rem 0;
  border-top: 1px dashed var(--line-strong);
}

.rail__meter {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: space-between;
  align-items: baseline;
  gap: .45rem;
}

.rail__meterlabel,
.rail__metervalue {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.rail__metervalue { color: var(--cyan); }

.rail__track {
  grid-column: 1 / -1;
  display: block;
  height: 3px;
  border-radius: 2px;
  background: rgba(124, 141, 181, .22);
  overflow: hidden;
}

.rail__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: transform .12s linear;
}

.rail__note {
  margin: 0;
  font-size: .76rem;
  line-height: 1.55;
  color: var(--muted);
}

/* 桌面端：固定左轨 */
@media (min-width: 1024px) {
  .rail {
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--rail-w);
    display: flex;
    border-right: 1px solid var(--ink-800);
  }

  .rail__inner {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.6rem 1.15rem 1.3rem;
    overflow-y: auto;
    overflow-x: hidden;
  }

  .rail__inner::after {
    content: "";
    position: absolute;
    top: 0;
    right: -1px;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(0, 229, 199, .5) 28%, rgba(255, 107, 26, .5) 72%, transparent);
    pointer-events: none;
  }

  .rail__head { width: 100%; }

  .nav-toggle { display: none; }

  .rail__nav { flex: 1 1 auto; }

  .rail__inner::-webkit-scrollbar { width: 6px; }
  .rail__inner::-webkit-scrollbar-thumb {
    background: var(--ink-800);
    border-radius: 3px;
  }
}

/* 移动端：顶栏 + 左侧抽屉 */
@media (max-width: 1023px) {
  .rail {
    top: 0;
    left: 0;
    right: 0;
    height: var(--bar-h);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--ink-800);
  }

  .rail__inner {
    display: flex;
    align-items: center;
    padding: 0 clamp(.9rem, 3vw, 1.4rem);
  }

  .rail__head {
    width: 100%;
    flex-wrap: nowrap;
  }

  .rail__foot { display: none; }

  .rail__nav {
    position: fixed;
    top: var(--bar-h);
    left: 0;
    bottom: 0;
    width: min(88vw, 344px);
    padding: 1.4rem 1.1rem 2.4rem;
    background: linear-gradient(180deg, var(--ink-900), var(--ink-950));
    border-right: 1px solid var(--ink-800);
    box-shadow: 30px 0 70px rgba(0, 0, 0, .55);
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    transform: translateX(-104%);
    transition: transform var(--t-med), visibility var(--t-med);
  }

  .rail[data-open="true"] .rail__nav {
    visibility: visible;
    transform: none;
  }

  .rail__link { padding: .72rem .8rem; }
  .rail__label { font-size: 1.02rem; }
  .rail__cta { padding-left: .8rem; }
  .rail__cta .btn { width: 100%; justify-content: center; }
}

/* ---------- 7. 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .82rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .03em;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.btn--primary {
  background: var(--orange);
  color: var(--ink-950);
  box-shadow: 0 10px 26px rgba(255, 107, 26, .22);
}

.btn--primary:hover {
  background: #FF8A45;
  transform: translateY(-1px);
}

.btn--ghost {
  border-color: var(--ink-800);
  background: rgba(17, 27, 63, .62);
  color: var(--paper);
}

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

.btn--sm {
  padding: .55rem .95rem;
  font-size: .88rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--orange);
}

.lede {
  font-size: clamp(1.02rem, 1.6vw, 1.16rem);
  line-height: 1.78;
  color: var(--soft);
  max-width: 62ch;
}

.section-head {
  display: grid;
  gap: .55rem;
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
}

.section-head__title { margin: 0; }

.section-head__meta {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.panel {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: rgba(17, 27, 63, .62);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.panel--solid {
  background: var(--ink-900);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.panel--accent {
  border-color: rgba(255, 107, 26, .48);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 26, .10);
}

.card {
  display: grid;
  gap: .7rem;
  align-content: start;
  padding: clamp(1rem, 2vw, 1.4rem);
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.28;
  color: var(--paper);
}

.card__body {
  margin: 0;
  font-size: .95rem;
  line-height: 1.72;
  color: var(--body);
}

.note {
  padding-left: .9rem;
  border-left: 2px solid var(--amber);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--body);
}

.note--cyan { border-left-color: var(--cyan); }

.stat {
  display: grid;
  gap: .3rem;
}

.stat__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.stat__value--cyan { color: var(--cyan); }
.stat__value--orange { color: var(--orange); }
.stat__value--amber { color: var(--amber); }

.stat__unit {
  margin-left: .3rem;
  font-size: .42em;
  letter-spacing: .02em;
  color: var(--muted);
}

.stat__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .6rem;
  border: 1px solid var(--ink-700);
  border-radius: 4px;
  background: rgba(27, 42, 94, .42);
  color: var(--body);
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag--orange {
  color: var(--orange);
  border-color: rgba(255, 107, 26, .5);
  background: var(--orange-soft);
}

.tag--cyan {
  color: var(--cyan);
  border-color: rgba(0, 229, 199, .45);
  background: var(--cyan-soft);
}

.tag--amber {
  color: var(--amber);
  border-color: rgba(255, 209, 102, .45);
  background: rgba(255, 209, 102, .08);
}

.tag--red {
  color: var(--red);
  border-color: rgba(215, 38, 61, .5);
  background: rgba(215, 38, 61, .10);
}

.crumbs {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  list-style: none;
}

.crumbs__item {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.crumbs__item[aria-current="page"] { color: var(--paper); }

.crumbs__link {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

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

.crumbs__sep {
  color: var(--ink-700);
  font-size: .8rem;
}

/* 图片 / 热力图容器基础规则 */
.media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ink-800);
  border-radius: var(--r-md);
  background:
    linear-gradient(135deg, rgba(27, 42, 94, .55), rgba(10, 17, 40, .9)),
    repeating-linear-gradient(90deg, rgba(124, 141, 181, .08) 0 1px, transparent 1px 32px);
}

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

.media--wide { aspect-ratio: 16 / 9; }
.media--video { aspect-ratio: 16 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--tall { aspect-ratio: 3 / 4; }
.media--poster { aspect-ratio: 2 / 3; }

.media__caption {
  padding: .6rem .1rem 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.media__badge {
  position: absolute;
  top: .8rem;
  left: .8rem;
  z-index: 2;
}

@media (max-width: 600px) {
  .media--tall { aspect-ratio: 4 / 5; }
  .media--poster { aspect-ratio: 3 / 4; }
}

/* ---------- 8. Footer ---------- */
.foot {
  position: relative;
  margin-top: clamp(3rem, 7vw, 6rem);
  padding: clamp(2.4rem, 5vw, 4rem) var(--gutter) 1.6rem;
  border-top: 1px solid var(--ink-800);
  background: linear-gradient(180deg, rgba(17, 27, 63, .58), var(--ink-950) 72%);
}

.foot::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange) 20%, var(--cyan) 62%, transparent);
  opacity: .75;
}

.foot__inner {
  display: grid;
  gap: clamp(1.8rem, 4vw, 2.6rem);
  max-width: var(--shell);
  margin-inline: auto;
}

.foot__top {
  display: grid;
  gap: clamp(1.6rem, 3.4vw, 2.4rem);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 720px) {
  .foot__top { grid-template-columns: 1.5fr 1fr 1fr; }
}

@media (min-width: 1024px) {
  .foot__top { grid-template-columns: 1.7fr 1fr 1fr 1.25fr; }
}

.foot__brand { display: grid; gap: .9rem; align-content: start; }

.foot__wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  letter-spacing: .02em;
  color: var(--paper);
}

.foot__wordmark::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin-top: .6rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.foot__blurb {
  margin: 0;
  max-width: 34ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--body);
}

.foot__badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.foot__col { display: grid; gap: .2rem; align-content: start; }

.foot__title {
  margin: 0 0 .95rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.foot__list {
  display: grid;
  gap: .62rem;
  list-style: none;
}

.foot__link {
  position: relative;
  display: inline-block;
  padding-left: .85rem;
  color: var(--soft);
  font-size: .95rem;
  text-decoration: none;
  transition: color var(--t-fast), padding-left var(--t-fast);
}

.foot__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 5px;
  height: 5px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: background var(--t-fast), border-color var(--t-fast);
}

.foot__link:hover {
  color: var(--paper);
  padding-left: 1.05rem;
}

.foot__link:hover::before {
  background: var(--orange);
  border-color: var(--orange);
}

.foot__list--contact { gap: .9rem; }

.foot__item { display: grid; gap: .15rem; }

.foot__label {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}

.foot__value {
  font-size: .93rem;
  line-height: 1.6;
  color: var(--soft);
  word-break: break-word;
}

.foot__note {
  margin: .95rem 0 1.05rem;
  max-width: 30ch;
  font-size: .8rem;
  line-height: 1.65;
  color: var(--muted);
}

.foot__col--contact .btn { justify-self: start; }

.foot__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .8rem 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.foot__copy {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.foot__policy {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.2rem;
  list-style: none;
}

.foot__policy a {
  color: var(--muted);
  font-size: .8rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.foot__policy a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 9. 动效与无障碍 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s cubic-bezier(.2, .7, .3, 1);
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .rail__bar { transition: none; }
}