/* =========================================================
   浩瀚体育官网 · 共享样式 /assets/site.css
   深海竞技场 · 编辑部版式 · 共享头部与页脚
   ========================================================= */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { padding: 0; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
table { border-collapse: collapse; border-spacing: 0; }
h1, h2, h3, h4, h5 { font-weight: 800; line-height: 1.15; }
input, select, textarea { font: inherit; }

/* ---------- tokens ---------- */
:root {
  --ink-900: #04162A;
  --ink-800: #0A2A46;
  --ink-700: #123C60;
  --paper: #F2EDE3;
  --graphite: #2C3843;
  --mist: #A6B8C6;
  --cyan: #2FE6D6;
  --orange: #FF6A2B;
  --grass: #3FA76B;
  --ink-black: #0A0E13;
  --amber: #E8B54A;

  --hairline: rgba(166, 184, 198, .18);
  --hairline-soft: rgba(44, 56, 67, .6);
  --shadow-card: 0 24px 32px rgba(10, 14, 19, .4);

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

  --step--1: .8125rem;
  --step-0: 1rem;
  --step-1: 1.5rem;
  --step-2: 2.25rem;
  --step-3: 3.375rem;
  --step-4: 5.0625rem;

  --header-h: 88px;
  --bar-h: 46px;
}

body {
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--cyan); color: var(--ink-black); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 2px; }
body.is-locked { overflow: hidden; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 50%; top: -140px; transform: translateX(-50%);
  z-index: 200; padding: .6rem 1.2rem; border-radius: 0 0 3px 3px;
  background: var(--cyan); color: var(--ink-black);
  font-size: .78rem; letter-spacing: .16em; font-weight: 700;
  transition: top 180ms ease;
}
.skip-link:focus, .skip-link:focus-visible { top: 0; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: linear-gradient(180deg, rgba(4, 22, 42, .78) 0%, rgba(4, 22, 42, 0) 100%);
  transition: background 240ms ease, box-shadow 240ms ease;
}
.site-header[data-scrolled="true"] {
  background: rgba(4, 22, 42, .92);
  box-shadow: 0 1px 0 var(--hairline), 0 18px 28px rgba(10, 14, 19, .32);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.site-header__inner {
  width: min(1520px, 94vw);
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex; align-items: center;
  gap: clamp(16px, 3vw, 48px);
  transition: min-height 240ms ease;
}
.site-header[data-scrolled="true"] .site-header__inner { min-height: calc(var(--header-h) * .7); }

.scroll-progress {
  position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width 120ms linear;
}

/* 品牌 */
.brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand__mark {
  width: 30px; height: 30px; flex: 0 0 auto;
  background: linear-gradient(140deg, var(--cyan), var(--orange));
  clip-path: polygon(16% 0, 100% 0, 84% 100%, 0 100%);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-size: 1.02rem; font-weight: 900; letter-spacing: .26em; }
.brand__latin {
  font-size: .58rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--mist);
}

/* 导航 */
.site-nav {
  margin-left: auto;
  display: flex; align-items: center;
  gap: clamp(14px, 2.2vw, 40px);
}
.site-nav__list {
  display: flex; align-items: center;
  gap: clamp(14px, 2vw, 30px);
  overflow-x: auto; scrollbar-width: none;
}
.site-nav__list::-webkit-scrollbar { display: none; }
.site-nav__item { flex: 0 0 auto; }
.site-nav__link {
  position: relative; display: inline-block;
  padding: .55rem .1rem;
  font-size: .86rem; letter-spacing: .14em; white-space: nowrap;
  color: var(--mist);
  transition: color 200ms ease;
}
.site-nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--cyan);
  transform: scaleX(0); transform-origin: right;
  transition: transform 220ms ease;
}
.site-nav__link:hover { color: var(--paper); }
.site-nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.site-nav__link[aria-current="page"] { color: var(--paper); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.site-nav__utility {
  display: flex; align-items: center; gap: 12px;
  padding-left: clamp(12px, 1.6vw, 24px);
  border-left: 1px solid var(--hairline);
}
.utility-link {
  display: inline-flex; align-items: center; gap: .45em;
  padding: .42rem .6rem; border: 1px solid transparent; border-radius: 2px;
  font-size: .7rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--mist); white-space: nowrap;
  transition: color 180ms ease, border-color 180ms ease;
}
.utility-link:hover { color: var(--cyan); border-color: var(--cyan); }
.utility-link--accent { color: var(--orange); }
.utility-link--accent:hover { color: var(--orange); border-color: var(--orange); }
.utility-link__icon {
  width: 13px; height: 13px; fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none; width: 44px; height: 44px; flex: 0 0 auto;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  border: 1px solid var(--hairline); border-radius: 2px; cursor: pointer;
  transition: border-color 200ms ease;
}
.nav-toggle:hover { border-color: var(--cyan); }
.nav-toggle__bar {
  display: block; width: 20px; height: 2px; background: var(--paper);
  transition: transform 220ms ease, opacity 180ms ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-scrim {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(4, 22, 42, .74);
  opacity: 0;
  transition: opacity 200ms ease;
}
.nav-scrim[hidden] { display: none; }
.nav-scrim.is-open { opacity: 1; }

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 7vw, 6rem);
  background: var(--ink-800);
  color: var(--paper);
  border-top: 1px solid var(--hairline);
}
.site-footer::before {
  content: ""; position: absolute; top: -1px; left: 0;
  width: min(38%, 520px); height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(47, 230, 214, 0));
}
.site-footer__inner {
  width: min(1520px, 94vw); margin-inline: auto;
  padding: clamp(2.6rem, 5vw, 4.5rem) 0 1.6rem;
}
.footer-head {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 1rem 3rem; justify-content: space-between;
  padding-bottom: clamp(1.4rem, 2.6vw, 2.2rem);
  border-bottom: 1px solid var(--hairline);
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand__mark {
  width: 26px; height: 26px; flex: 0 0 auto;
  background: linear-gradient(140deg, var(--orange), var(--cyan));
  clip-path: polygon(16% 0, 100% 0, 84% 100%, 0 100%);
}
.footer-brand__name { font-size: 1rem; font-weight: 900; letter-spacing: .24em; }
.footer-brand__desc {
  max-width: 46ch; font-size: .85rem; line-height: 1.75; color: var(--mist);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 48px);
  padding-block: clamp(2rem, 4vw, 3.2rem);
}
.footer-zone__title {
  margin-bottom: 1.1rem;
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--cyan); font-weight: 700;
}
.footer-zone__list { display: flex; flex-direction: column; gap: .55rem; }
.footer-zone__link {
  display: inline-block; font-size: .9rem; color: var(--mist);
  transition: color 180ms ease, padding-left 180ms ease;
}
.footer-zone__link:hover { color: var(--paper); padding-left: .35rem; }
.footer-zone__text {
  max-width: 34ch; margin-bottom: .9rem;
  font-size: .86rem; line-height: 1.75; color: var(--mist);
}
.footer-zone__more {
  display: inline-block; padding-bottom: .15rem;
  font-size: .76rem; letter-spacing: .14em; color: var(--paper);
  border-bottom: 1px solid var(--cyan);
  transition: color 180ms ease;
}
.footer-zone__more:hover { color: var(--cyan); }
.contact-list { display: flex; flex-direction: column; gap: .85rem; margin-bottom: 1.2rem; }
.contact-list__item { display: flex; flex-direction: column; gap: .15rem; }
.contact-list__label {
  font-size: .66rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--mist); opacity: .75;
}
.contact-list__value { font-size: .88rem; color: var(--paper); word-break: break-word; }
.footer-legal {
  display: flex; flex-wrap: wrap; gap: .5rem 2rem; justify-content: space-between;
  padding-top: 1.4rem; border-top: 1px solid var(--hairline);
  font-size: .76rem; line-height: 1.7; color: var(--mist);
}
.footer-bar {
  position: sticky; bottom: 0; z-index: 40;
  background: rgba(4, 22, 42, .94);
  border-top: 1px solid var(--hairline);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.footer-bar__inner {
  width: min(1520px, 94vw); margin-inline: auto;
  min-height: var(--bar-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-block: .5rem;
}
.footer-bar__icp {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: .74rem; letter-spacing: .06em; color: var(--mist);
}
.footer-bar__links { display: flex; align-items: center; gap: clamp(.8rem, 2vw, 1.4rem); }
.footer-bar__links a {
  font-size: .74rem; letter-spacing: .14em; color: var(--paper);
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.footer-bar__links a:hover { color: var(--cyan); border-color: var(--cyan); }
.to-top {
  display: inline-flex; align-items: center; gap: .4em;
  padding: .42em .8em; border: 1px solid var(--hairline); border-radius: 2px;
  font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--mist); cursor: pointer;
  opacity: 0; visibility: hidden;
  transition: opacity 200ms ease, color 180ms ease, border-color 180ms ease;
}
.to-top.is-shown { opacity: 1; visibility: visible; }
.to-top:hover { color: var(--cyan); border-color: var(--cyan); }

/* ---------- 容器与章节 ---------- */
.shell { width: min(1280px, 92vw); margin-inline: auto; }
.shell--wide { width: min(1520px, 94vw); margin-inline: auto; }
.shell--narrow { width: min(820px, 92vw); margin-inline: auto; }

.section { padding-block: clamp(3.5rem, 7vw, 7rem); }
.section--tight { padding-block: clamp(2rem, 4vw, 3.5rem); }
.section--paper { background: var(--paper); color: var(--ink-black); }
.section--paper .label { color: var(--graphite); }
.section--paper .display-1,
.section--paper .display-2,
.section--paper .display-3 { color: var(--ink-black); }
.section--paper .lede,
.section--paper .prose,
.section--paper .toc__link { color: var(--ink-black); }
.section--paper .note { color: var(--graphite); border-left-color: var(--ink-700); }
.section--paper .divider { background: var(--hairline-soft); }

.divider { height: 1px; border: 0; background: var(--hairline); }

.rail { display: flex; flex-direction: column; gap: 1rem; }
@media (min-width: 1081px) {
  .rail { position: sticky; top: calc(var(--header-h) + 28px); align-self: start; }
}

/* ---------- 排版 ---------- */
.label {
  display: flex; align-items: center; gap: .7em;
  font-size: .72rem; font-weight: 600; letter-spacing: .2em;
  text-transform: uppercase; color: var(--mist);
}
.display-1 { font-size: clamp(2.4rem, 6.2vw, 5rem); font-weight: 900; letter-spacing: -.02em; line-height: 1.02; }
.display-2 { font-size: clamp(1.8rem, 3.6vw, 3.1rem); font-weight: 850; letter-spacing: -.02em; line-height: 1.08; }
.display-3 { font-size: clamp(1.3rem, 2.2vw, 1.9rem); font-weight: 800; letter-spacing: -.01em; line-height: 1.2; }
.lede { max-width: 36em; font-size: clamp(1.02rem, 1.5vw, 1.25rem); line-height: 1.7; }
.prose p { max-width: 38em; margin-bottom: 1.1em; }
.prose p:last-child { margin-bottom: 0; }
.prose h2, .prose h3 { margin: 1.8em 0 .6em; }
.muted { color: var(--mist); }
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -.01em;
}

/* ---------- 网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(16px, 2.2vw, 32px); }
.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; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: .85em 1.5em; border: 1px solid transparent; border-radius: 2px;
  font-size: .84rem; font-weight: 700; letter-spacing: .12em;
  cursor: pointer; text-align: center;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.btn--primary { background: var(--orange); color: var(--ink-black); }
.btn--primary:hover { background: #ff8151; transform: translateY(-2px); }
.btn--ghost { border-color: var(--graphite); color: var(--paper); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--cyan { border-color: var(--cyan); color: var(--cyan); }
.btn--cyan:hover { background: var(--cyan); color: var(--ink-black); }

/* ---------- 面包屑 ---------- */
.breadcrumb { padding-block: 1.4rem; border-bottom: 1px solid var(--hairline); }
.breadcrumb__list {
  display: flex; flex-wrap: wrap; align-items: center; gap: .6rem;
  font-size: .72rem; letter-spacing: .14em; color: var(--mist);
}
.breadcrumb__item + .breadcrumb__item::before { content: "/"; margin-right: .6rem; color: var(--graphite); }
.breadcrumb__link { transition: color 180ms ease; }
.breadcrumb__link:hover { color: var(--cyan); }
.breadcrumb__item[aria-current="page"] { color: var(--paper); }

/* ---------- 旁注 ---------- */
.note {
  padding-left: .9rem;
  border-left: 2px solid var(--cyan);
  font-size: 13px; line-height: 1.7; color: var(--mist);
}
.note--warn { border-left-color: var(--amber); }

/* ---------- 数据卡与指标 ---------- */
.data-card {
  padding: clamp(1.1rem, 2vw, 1.6rem);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  box-shadow: var(--shadow-card);
  transition: transform 240ms ease, border-color 240ms ease;
}
.data-card:hover { transform: translateY(-4px); border-color: var(--orange); }

.stat { display: flex; flex-direction: column; gap: .3rem; }
.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700; line-height: 1; color: var(--paper);
}
.stat__value--accent { color: var(--cyan); }
.stat__value--hot { color: var(--orange); }
.stat__label {
  font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 状态色 ---------- */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.dot--cyan { background: var(--cyan); }
.dot--orange { background: var(--orange); }
.dot--grass { background: var(--grass); }
.dot--amber { background: var(--amber); }
.status-chip {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .32em .75em; border: 1px solid var(--hairline); border-radius: 999px;
  font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 章节目录 ---------- */
.toc { position: sticky; top: calc(var(--header-h) + 28px); }
.toc__title {
  margin-bottom: .9rem;
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--mist);
}
.toc__list { display: flex; flex-direction: column; }
.toc__link {
  display: block; padding: .45rem 0 .45rem .9rem;
  border-left: 2px solid var(--graphite);
  font-size: .86rem; color: var(--mist);
  transition: color 200ms ease, border-color 200ms ease;
}
.toc__link:hover { color: var(--paper); }
.toc__link[aria-current="true"] { color: var(--cyan); border-left-color: var(--cyan); }

/* ---------- 长表 ---------- */
.table-scroll {
  overflow: auto;
  background: var(--ink-900);
  border: 1px solid var(--hairline);
  border-radius: 3px;
}
.table { width: 100%; min-width: 640px; font-size: .9rem; }
.table caption {
  padding: .9rem 1rem; text-align: left;
  font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--mist);
}
.table th {
  position: sticky; top: 0; z-index: 2;
  padding: .8rem 1rem;
  background: var(--ink-700); color: var(--mist);
  font-size: .7rem; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; text-align: left; white-space: nowrap;
}
.table td {
  padding: .75rem 1rem;
  border-top: 1px solid var(--hairline-soft);
  color: var(--paper);
  vertical-align: top;
}
.table tbody tr:nth-child(even) { background: var(--ink-800); }
.table tbody tr:hover { box-shadow: inset 3px 0 0 var(--cyan); }
.table td.num, .table th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- 图片容器 ---------- */
.figure { display: block; }
.figure__frame {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--ink-800);
  aspect-ratio: 16 / 9;
}
.figure__frame > img,
.figure__frame > picture > img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.figure:hover .figure__frame > img { transform: scale(1.02); }
.figure--portrait .figure__frame { aspect-ratio: 3 / 4; }
.figure--square .figure__frame { aspect-ratio: 1 / 1; }
.figure__caption {
  margin-top: .6rem; padding-left: .8rem;
  border-left: 2px solid var(--graphite);
  font-size: 13px; line-height: 1.7; color: var(--mist);
}

/* ---------- 肌理 ---------- */
.texture { position: relative; isolation: isolate; }
.texture::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  pointer-events: none;
}
.texture--pitch::before {
  background: repeating-linear-gradient(92deg, rgba(63, 167, 107, .55) 0 2px, transparent 2px 14px);
  opacity: .08;
}
.texture--grid::before {
  background-image:
    linear-gradient(rgba(166, 184, 198, .6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(166, 184, 198, .6) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .09;
}
.texture--beam::before {
  background: linear-gradient(115deg, rgba(47, 230, 214, .4), transparent 62%);
  opacity: .12;
}

/* ---------- 斜切色块 ---------- */
.slab { position: relative; isolation: isolate; overflow: hidden; }
.slab::before {
  content: ""; position: absolute; z-index: -1;
  top: -12%; right: -6%; width: 62%; height: 190%;
  background: var(--ink-800);
  transform: rotate(-9deg);
}
.slab--accent::before { background: linear-gradient(160deg, var(--ink-700), var(--ink-900)); }

/* ---------- 入场动效 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 240ms ease, transform 240ms ease;
}
html.js [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .col-3, .col-4, .col-5 { grid-column: span 6; }
  .col-7, .col-8, .col-9 { grid-column: span 12; }
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toc { position: static; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; --bar-h: 44px; }
  .site-header,
  .site-header[data-scrolled="true"] { background: rgba(4, 22, 42, .94); }
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 80;
    width: min(330px, 86vw);
    margin: 0; flex-direction: column; align-items: stretch; gap: 0;
    padding: calc(var(--header-h) + 26px) clamp(20px, 5vw, 30px) 32px;
    background: var(--ink-800);
    border-left: 1px solid var(--hairline);
    overflow-y: auto;
    transform: translateX(102%);
    transition: transform 260ms ease;
  }
  .site-nav[data-open="true"] { transform: translateX(0); }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; overflow: visible; }
  .site-nav__item { width: 100%; }
  .site-nav__link {
    display: block; padding: .9rem 0;
    font-size: 1rem; letter-spacing: .2em;
    border-bottom: 1px solid var(--hairline);
  }
  .site-nav__utility {
    flex-direction: column; align-items: flex-start; gap: .7rem;
    margin-top: 1.4rem; padding: 1.2rem 0 0;
    border-left: 0; border-top: 1px solid var(--hairline);
  }
  .utility-link { padding: .3rem 0; }
}

@media (max-width: 640px) {
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9 { grid-column: span 12; }
  .site-footer__grid { grid-template-columns: minmax(0, 1fr); }
  .footer-head { flex-direction: column; align-items: flex-start; }
  .footer-legal { flex-direction: column; }
  .footer-bar__inner { flex-wrap: wrap; justify-content: center; text-align: center; }
  .figure__frame { aspect-ratio: 4 / 3; }
  .figure--portrait .figure__frame { aspect-ratio: 3 / 4; }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  html.js [data-reveal] { opacity: 1; transform: none; }
  .figure:hover .figure__frame > img { transform: none; }
}