/* ==========================================================================
   乐鱼赛场 · 共享站点样式 /assets/site.css
   深海蓝底盘 + 冰青信息层 + 乐鱼橙行动层 + 轨道条带装饰
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 168px;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  color: #DCE9F2;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(127, 219, 232, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 219, 232, .055) 1px, transparent 1px);
  background-size: 88px 88px;
  background-position: center top;
  text-rendering: optimizeLegibility;
}

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

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

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

a { color: var(--ice); text-decoration: none; }

button { font: inherit; }

:root {
  /* 色板 */
  --ink-900: #071A2B;
  --ink-800: #0B2740;
  --ink-700: #123552;
  --ice: #7FDBE8;
  --paper: #F2E9D8;
  --orange: #FF6B2C;
  --coral: #FF7A90;
  --lime: #B6FF5C;
  --mist: #A7B8C9;
  --black: #02090F;
  --white: #FFFFFF;

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

  /* 结构 */
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --radius: 2px;
  --hair: 2px solid rgba(167, 184, 201, .28);
  --shadow-hard: 8px 8px 0 rgba(2, 9, 15, .58);
  --shadow-deep: 0 22px 48px rgba(2, 9, 15, .5);
  --scroll-progress: 0;
}

::selection { background: var(--orange); color: #10161a; }

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

/* --------------------------------------------------------------------------
   中文排版与通用工具
   -------------------------------------------------------------------------- */
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "ss01" 1;
  letter-spacing: .02em;
}

.display-xl {
  font-size: clamp(48px, 7vw, 112px);
  line-height: .96;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--white);
}

.display-lg {
  font-size: clamp(30px, 4.2vw, 60px);
  line-height: 1.04;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
}

.display-md {
  font-size: clamp(24px, 2.8vw, 38px);
  line-height: 1.14;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--white);
}

.lede {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.8;
  color: #C9DCE8;
  max-width: 62ch;
}

.prose { max-width: 68ch; }
.prose p + p { margin-top: 1em; }
.prose a {
  border-bottom: 2px solid rgba(127, 219, 232, .5);
  padding-bottom: 1px;
}
.prose a:hover { border-bottom-color: var(--orange); color: var(--white); }

.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(40px, 6vw, 88px); }
.section--tight { padding-block: clamp(26px, 3.6vw, 52px); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.rule {
  height: 4px;
  border: 0;
  margin-block: clamp(18px, 2.4vw, 32px);
  background: repeating-linear-gradient(90deg, rgba(127, 219, 232, .75) 0 26px, transparent 26px 38px);
}

/* --------------------------------------------------------------------------
   按钮
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--paper);
  --btn-fg: var(--black);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 3px solid var(--black);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 var(--black);
  cursor: pointer;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, background-color .16s ease, color .16s ease, border-color .16s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--black);
}

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

.btn--orange { --btn-bg: var(--orange); --btn-fg: #1a0a02; }
.btn--paper { --btn-bg: var(--paper); --btn-fg: var(--black); }
.btn--ice { --btn-bg: var(--ice); --btn-fg: #06222c; }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ice);
  border-color: var(--ice);
  box-shadow: none;
}

.btn--ghost:hover {
  --btn-bg: rgba(127, 219, 232, .14);
  transform: none;
  box-shadow: none;
}

.btn--ghost:active { transform: none; }

.btn--sm {
  padding: 9px 13px;
  font-size: 12px;
  box-shadow: 4px 4px 0 var(--black);
}

.btn--sm:hover { box-shadow: 6px 6px 0 var(--black); }

/* --------------------------------------------------------------------------
   页头
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -90px;
  left: 14px;
  z-index: 300;
  padding: 12px 20px;
  font-weight: 800;
  font-size: 14px;
  color: var(--black);
  background: var(--orange);
  border: 3px solid var(--black);
  box-shadow: 4px 4px 0 var(--black);
}

.skip-link:focus { top: 14px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--ink-900);
}

.scroll-meter {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 200;
  pointer-events: none;
}

.scroll-meter__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(var(--scroll-progress, 0));
  background: linear-gradient(90deg, var(--ice), var(--lime) 58%, var(--orange));
}

/* 赛季数据条带 */
.header-ticker {
  max-height: 60px;
  overflow: hidden;
  background: var(--ice);
  color: #06222c;
  border-bottom: 3px solid var(--black);
  transition: max-height .28s ease, opacity .22s ease, border-bottom-width .28s ease;
}

.site-header[data-scrolled] .header-ticker {
  max-height: 0;
  opacity: 0;
  border-bottom-width: 0;
}

.header-ticker__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  padding: 7px var(--gutter);
  overflow: hidden;
}

.ticker__label {
  flex: none;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ice);
  background: var(--black);
}

.ticker__cell {
  flex: none;
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
  color: #06222c;
}

.ticker__cell .mono { font-weight: 800; }

.ticker__cell--lime {
  padding: 2px 9px;
  font-weight: 800;
  color: #12240a;
  background: var(--lime);
  border: 2px solid var(--black);
}

.ticker__dot {
  flex: none;
  width: 9px;
  height: 9px;
  background: var(--orange);
  border: 2px solid var(--black);
  transform: rotate(45deg);
}

/* 品牌带 */
.header-band {
  background: var(--ink-900);
  border-bottom: 3px solid var(--black);
}

.header-band__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 24px);
  padding: clamp(10px, 1.6vw, 16px) var(--gutter);
  transition: padding .24s ease;
}

.site-header[data-scrolled] .header-band__inner { padding-block: 8px; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
  text-decoration: none;
}

.brand__mark {
  position: relative;
  flex: none;
  width: 36px;
  height: 36px;
  background: var(--orange);
  border: 3px solid var(--black);
  box-shadow: 4px 4px 0 rgba(2, 9, 15, .6);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 8px 8px auto 8px;
  height: 3px;
  background: var(--black);
  box-shadow: 0 6px 0 var(--black), 0 12px 0 var(--black);
}

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

.brand__name {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1.1;
  color: var(--white);
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--ice);
}

.header-band__note {
  flex: 1 1 auto;
  min-width: 0;
  margin-inline: 4px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-align: center;
  color: var(--mist);
  border-left: 2px dashed rgba(167, 184, 201, .32);
  border-right: 2px dashed rgba(167, 184, 201, .32);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--ice);
  background: var(--ink-800);
  border: 3px solid var(--ice);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .16s ease, color .16s ease;
}

.nav-toggle:hover { background: rgba(127, 219, 232, .16); }

.nav-toggle__icon {
  position: relative;
  display: block;
  width: 16px;
  height: 12px;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  transition: transform .2s ease, top .2s ease, bottom .2s ease;
}

.nav-toggle__icon::before { top: 0; }
.nav-toggle__icon::after { bottom: 0; }

.site-header[data-open] .nav-toggle__icon::before {
  top: 5px;
  transform: rotate(45deg);
}

.site-header[data-open] .nav-toggle__icon::after {
  bottom: 5px;
  transform: rotate(-45deg);
}

.site-header[data-open] .nav-toggle {
  color: var(--black);
  background: var(--orange);
  border-color: var(--black);
}

/* 栏目索引 */
.site-nav {
  background: var(--ink-800);
  border-bottom: 3px solid var(--black);
}

.site-nav__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 30px);
  padding-inline: var(--gutter);
}

.site-nav__index {
  flex: none;
  padding: 14px 18px 14px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--mist);
  border-right: 2px dashed rgba(167, 184, 201, .32);
  white-space: nowrap;
}

.site-nav__list {
  flex: 1 1 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  list-style: none;
}

.site-nav__list a {
  position: relative;
  display: block;
  padding: 14px 14px 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
  transition: color .16s ease, background-color .16s ease, box-shadow .16s ease;
}

.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 3px;
  background: var(--ice);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}

.site-nav__list a:hover {
  color: var(--ice);
  background: rgba(127, 219, 232, .08);
}

.site-nav__list a:hover::after { transform: scaleX(1); }

.site-nav__list a[aria-current="page"] {
  color: var(--white);
  background: rgba(255, 107, 44, .16);
  box-shadow: inset 0 0 0 3px var(--orange);
}

.site-nav__list a[aria-current="page"]::after {
  background: var(--orange);
  transform: scaleX(1);
}

.site-nav__extra { display: none; }

/* 返回顶部 */
.to-top {
  position: fixed;
  right: clamp(14px, 2.4vw, 28px);
  bottom: clamp(14px, 2.4vw, 28px);
  z-index: 130;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: #1a0a02;
  background: var(--orange);
  border: 3px solid var(--black);
  box-shadow: 5px 5px 0 var(--black);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover { background: var(--lime); }

/* --------------------------------------------------------------------------
   页脚
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: clamp(40px, 6vw, 88px);
  background: var(--ink-800);
  color: var(--paper);
  border-top: 3px solid var(--black);
}

.site-footer::before {
  content: "";
  display: block;
  height: 6px;
  border-bottom: 3px solid var(--black);
  background: repeating-linear-gradient(
    90deg,
    var(--ice) 0 40px,
    var(--orange) 40px 76px,
    var(--coral) 76px 96px,
    var(--lime) 96px 136px
  );
}

.footer-top {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(36px, 5.4vw, 68px) var(--gutter) clamp(26px, 3.6vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.9fr);
  gap: clamp(26px, 5vw, 68px);
}

.footer-brand__mark {
  position: relative;
  display: block;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  background: var(--orange);
  border: 3px solid var(--black);
  box-shadow: 5px 5px 0 var(--black);
}

.footer-brand__mark::after {
  content: "";
  position: absolute;
  inset: 10px 10px auto 10px;
  height: 3px;
  background: var(--black);
  box-shadow: 0 8px 0 var(--black), 0 16px 0 var(--black);
}

.footer-brand__name {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--white);
}

.footer-brand__tag {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--ice);
}

.footer-brand__meta {
  margin-top: 20px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 34ch;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 36px);
}

.footer-col__heading {
  padding-bottom: 9px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--lime);
  border-bottom: 2px solid rgba(167, 184, 201, .28);
}

.footer-col__list { list-style: none; }

.footer-col__list li + li { margin-top: 4px; }

.footer-col__list a {
  display: inline-block;
  padding-block: 5px;
  font-size: 14px;
  color: #D7E5EF;
  border-bottom: 2px solid transparent;
  transition: color .16s ease, border-color .16s ease, transform .16s ease;
}

.footer-col__list a:hover {
  color: var(--ice);
  border-bottom-color: var(--orange);
  transform: translateX(3px);
}

/* 客服纸卡 */
.footer-contact {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0 var(--gutter) clamp(28px, 4vw, 48px);
}

.footer-contact__inner {
  padding: clamp(18px, 2.6vw, 30px);
  color: var(--black);
  background: var(--paper);
  border: 3px solid var(--black);
  box-shadow: 10px 10px 0 rgba(2, 9, 15, .55);
}

.footer-contact__kicker {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .22em;
  color: var(--paper);
  background: var(--ink-900);
}

.footer-contact__items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px 24px;
  list-style: none;
}

.footer-contact__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: #5c5040;
}

.footer-contact__value {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--black);
  overflow-wrap: anywhere;
}

.footer-contact__note {
  margin-top: 18px;
  padding-top: 14px;
  font-size: 13px;
  line-height: 1.8;
  color: #4a4034;
  border-top: 2px dashed rgba(2, 9, 15, .28);
}

/* 底部条 */
.footer-base {
  background: var(--black);
  border-top: 3px solid var(--black);
}

.footer-base__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 16px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px clamp(14px, 3vw, 32px);
  font-size: 12px;
  color: var(--mist);
}

.footer-base__sign { margin: 0; }

.footer-base__icp {
  color: var(--ice);
  letter-spacing: .08em;
}

.footer-base__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-left: auto;
  list-style: none;
}

.footer-base__links a {
  color: var(--mist);
  border-bottom: 2px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}

.footer-base__links a:hover {
  color: var(--white);
  border-bottom-color: var(--orange);
}

/* --------------------------------------------------------------------------
   页面级基础组件
   -------------------------------------------------------------------------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  content: "／";
  margin-left: 8px;
  color: rgba(167, 184, 201, .5);
}

.breadcrumbs a {
  color: var(--ice);
  border-bottom: 2px solid transparent;
}

.breadcrumbs a:hover { border-bottom-color: var(--ice); }

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

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(16px, 3vw, 40px);
  align-items: end;
  padding-bottom: 18px;
  margin-bottom: clamp(22px, 3.4vw, 42px);
  border-bottom: 3px solid rgba(167, 184, 201, .25);
}

.section-index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.4vw, 14px);
  font-weight: 800;
  letter-spacing: .3em;
  color: var(--orange);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ice);
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--orange);
  border: 2px solid var(--black);
  transform: rotate(45deg);
}

.dossier {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--ink-800);
  border: 3px solid var(--black);
  box-shadow: var(--shadow-hard);
}

.dossier::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 4px;
  background: var(--orange);
}

.dossier__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.dossier__title {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
}

.dossier--paper {
  background: var(--paper);
  color: var(--black);
}

.dossier--paper .dossier__title { color: var(--black); }
.dossier--paper .dossier__head { color: #4a4034; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--paper);
  border: 2px solid var(--black);
}

.tag--ice { background: var(--ice); }
.tag--orange { background: var(--orange); }
.tag--coral { background: var(--coral); }
.tag--lime { background: var(--lime); }

.tag--ink {
  color: var(--ice);
  background: var(--ink-800);
  border-color: var(--ice);
}

.stat { display: block; }

.stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  font-size: clamp(34px, 4.6vw, 64px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--white);
}

.stat__label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.ledger {
  list-style: none;
  border-top: 3px solid rgba(167, 184, 201, .3);
}

.ledger__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 13px 6px;
  border-bottom: 2px solid rgba(167, 184, 201, .22);
  transition: background-color .16s ease;
}

.ledger__row:hover { background: rgba(127, 219, 232, .07); }

.callout {
  padding: clamp(18px, 2.4vw, 28px);
  color: var(--black);
  background: var(--paper);
  border: 3px solid var(--black);
  box-shadow: 8px 8px 0 var(--orange);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--ink-800);
  border: 3px solid var(--black);
  box-shadow: 8px 8px 0 rgba(2, 9, 15, .55);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--wide { aspect-ratio: 21 / 9; }

.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--black);
  background: var(--paper);
  border-top: 2px solid var(--black);
  border-right: 2px solid var(--black);
}

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .header-band__note { display: none; }
}

@media (max-width: 959px) {
  html { scroll-padding-top: 128px; }

  .site-header { position: sticky; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    max-height: 0;
    visibility: hidden;
    overflow: hidden;
    border-bottom-width: 0;
    transition: max-height .3s ease, visibility .3s ease, border-bottom-width .3s ease;
  }

  .site-header[data-open] .site-nav {
    max-height: 760px;
    visibility: visible;
    border-bottom-width: 3px;
  }

  .site-nav__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-block: 6px 18px;
  }

  .site-nav__index {
    padding: 10px 0;
    border-right: 0;
    border-bottom: 2px dashed rgba(167, 184, 201, .32);
  }

  .site-nav__list { flex-direction: column; flex-wrap: nowrap; gap: 0; }

  .site-nav__list a {
    padding: 13px 10px;
    border-bottom: 2px solid rgba(167, 184, 201, .18);
  }

  .site-nav__list a::after { display: none; }

  .site-nav__list a[aria-current="page"] {
    box-shadow: inset 4px 0 0 var(--orange);
  }

  .site-nav__extra {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 16px;
  }

  .footer-top { grid-template-columns: minmax(0, 1fr); }

  .footer-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .grid-12 > [class*="span-"] { grid-column: 1 / -1; }

  .section-head { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 720px) {
  .footer-contact__items { grid-template-columns: minmax(0, 1fr); }
  .footer-base__links { margin-left: 0; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  .header-actions .btn { display: none; }

  .brand__tag { display: none; }

  .brand__mark { width: 32px; height: 32px; }

  .brand__mark::after {
    inset: 7px 7px auto 7px;
    box-shadow: 0 6px 0 var(--black), 0 12px 0 var(--black);
  }

  .brand__name { font-size: 18px; }

  .footer-cols { grid-template-columns: minmax(0, 1fr); }

  .footer-contact__inner { box-shadow: 6px 6px 0 rgba(2, 9, 15, .55); }

  .ledger__row { grid-template-columns: auto minmax(0, 1fr); }

  .ledger__row > :last-child { grid-column: 1 / -1; }
}

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

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