:root {
  --ink: #051826;
  --pool: #0A2A42;
  --lane: #124A68;
  --paper: #F4EFE4;
  --paper-2: #DDD6C7;
  --foam: #2FD4D0;
  --dolphin: #35C8FF;
  --coral: #FF6B4A;
  --mist: #9DB8C6;
  --signal: #FFD166;

  --rail-left: 100px;
  --rail-right: 44px;
  --header-h: 60px;
  --cut: 10px;

  --font-display: "Barlow Condensed", "DIN Condensed", "Oswald", "Arial Narrow", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-heading: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --w-max: 1240px;
}

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

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

body {
  margin: 0;
  padding-left: var(--rail-left);
  padding-right: var(--rail-right);
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 78% -10%, rgba(53, 200, 255, .13), transparent 46%),
    radial-gradient(circle at 8% 106%, rgba(47, 212, 208, .10), transparent 52%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .6em;
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--paper);
}
h1 { font-size: clamp(34px, 4.4vw, 56px); }
h2 { font-size: clamp(26px, 3vw, 36px); }
h3 { font-size: clamp(19px, 2vw, 24px); font-weight: 700; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--dolphin); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--foam); }

img, svg, video { max-width: 100%; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin-bottom: .35em; }

strong { font-weight: 700; color: var(--paper); }
small { font-size: 13px; color: var(--mist); }

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

#main-content { scroll-margin-top: calc(var(--header-h) + 16px); }

/* ---------- 框架导航外壳 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  pointer-events: none;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 140;
  pointer-events: auto;
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transform: translateY(-180%);
  transition: transform .18s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); color: var(--ink); }

.rail {
  position: fixed;
  top: 0;
  bottom: 0;
  z-index: 72;
  pointer-events: auto;
  color: var(--paper-2);
}

.rail--left {
  left: 0;
  width: var(--rail-left);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 18px 0 16px;
  border-right: 1px solid rgba(47, 212, 208, .32);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(180deg, rgba(47, 212, 208, .09) 0 1px, transparent 1px 28px),
    linear-gradient(180deg, #051826 0%, #062033 58%, #04131F 100%);
  overflow-y: auto;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--paper);
}
.brand:hover { color: var(--paper); }

.brand__mark {
  position: relative;
  display: block;
  width: 34px;
  height: 34px;
  background: var(--dolphin);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  overflow: hidden;
}
.brand__fin {
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: -3px;
  height: 14px;
  background: var(--ink);
  border-radius: 60% 60% 0 0 / 100% 100% 0 0;
}

.brand__text {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 5px;
}
.brand__name {
  writing-mode: vertical-rl;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: .14em;
  color: var(--paper);
}
.brand__tagline {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--mist);
}

.nav-toggle { display: none; }

.primary-nav { margin-top: 4px; }

.primary-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.primary-nav__item { margin: 0; }

.primary-nav__link {
  display: block;
  writing-mode: vertical-rl;
  padding: 9px 7px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 2px;
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}
.primary-nav__link:hover {
  color: var(--foam);
  background-color: rgba(47, 212, 208, .09);
  border-left-color: var(--foam);
}
.primary-nav__link[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
  background: var(--dolphin);
  border-left-color: var(--dolphin);
  box-shadow: 0 0 18px -4px rgba(53, 200, 255, .8);
}

.rail__rank {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 11px 9px;
  text-decoration: none;
  color: var(--dolphin);
  background: linear-gradient(160deg, rgba(53, 200, 255, .17), rgba(47, 212, 208, .05));
  border: 1px solid rgba(53, 200, 255, .45);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background-color .16s var(--ease), color .16s var(--ease);
}
.rail__rank:hover { color: var(--ink); background: var(--dolphin); }
.rail__rank-text {
  writing-mode: vertical-rl;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .16em;
}
.rail__rank-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(255, 209, 102, .55);
  animation: rank-pulse 4.8s var(--ease) infinite;
}
@keyframes rank-pulse {
  0%, 82% { box-shadow: 0 0 0 0 rgba(255, 209, 102, .55); }
  92% { box-shadow: 0 0 0 7px rgba(255, 209, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 209, 102, 0); }
}

.rail--right {
  right: 0;
  width: var(--rail-right);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border-left: 1px solid rgba(157, 184, 198, .2);
  background: linear-gradient(180deg, rgba(10, 42, 66, .98), rgba(5, 24, 38, .98));
}
.rail__status {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .26em;
  color: var(--mist);
}
.rail__status--coral { color: var(--coral); }
.rail__rule {
  width: 1px;
  height: 34px;
  background: linear-gradient(180deg, transparent, var(--lane), transparent);
}

.quick-rank-float {
  display: none;
  position: fixed;
  right: 14px;
  bottom: 16px;
  z-index: 92;
  pointer-events: auto;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  background: var(--dolphin);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  box-shadow: 0 14px 32px -14px rgba(53, 200, 255, .9);
}
.quick-rank-float:hover { color: var(--ink); background: var(--foam); }
.quick-rank-float__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  opacity: .65;
}

.scroll-line {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 120;
  pointer-events: none;
  background: rgba(18, 74, 104, .55);
}
.scroll-line__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--foam), var(--dolphin) 58%, var(--coral));
  transition: transform .12s linear;
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  overflow: hidden;
  color: var(--paper-2);
  border-top: 1px solid rgba(47, 212, 208, .3);
  background:
    radial-gradient(ellipse at 12% 0%, rgba(53, 200, 255, .15), transparent 55%),
    linear-gradient(180deg, #061E30 0%, #051826 56%, #04121C 100%);
}
.site-footer__glow {
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -46%;
  height: 280px;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 100%, rgba(47, 212, 208, .18), transparent 70%);
}

.site-footer__inner {
  position: relative;
  max-width: var(--w-max);
  margin-inline: auto;
  padding: clamp(36px, 6vw, 72px) clamp(20px, 4vw, 56px) clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(200px, 4fr) minmax(0, 8fr);
  grid-template-areas:
    "brand nav"
    "brand contact";
  gap: clamp(24px, 4vw, 60px);
  align-items: start;
}

.site-footer__brand { grid-area: brand; }

.site-footer__brandline {
  display: flex;
  align-items: center;
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: .04em;
  color: var(--paper);
}
.site-footer__mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 10px;
  background: var(--dolphin);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}
.site-footer__tag {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--foam);
}
.site-footer__summary {
  max-width: 30ch;
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.site-footer__nav {
  grid-area: nav;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 32px);
  margin-bottom: clamp(20px, 3vw, 36px);
}

.footer-col__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--paper);
}
.footer-col__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.footer-col__list li { margin: 0; }
.footer-col__list a {
  font-size: 14.5px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.footer-col__list a:hover { color: var(--foam); border-bottom-color: var(--foam); }

.site-footer__contact {
  grid-area: contact;
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid rgba(157, 184, 198, .2);
}
.contact-list {
  margin: 0;
  display: grid;
  gap: 8px;
}
.contact-list__row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}
.contact-list__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--foam);
}
.contact-list__row dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper-2);
  word-break: break-word;
}
.contact-list__note {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mist);
}

.site-footer__base {
  position: relative;
  max-width: var(--w-max);
  margin-inline: auto;
  padding: 18px clamp(20px, 4vw, 56px) 30px;
  border-top: 1px solid rgba(157, 184, 198, .18);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mist);
}
.site-footer__base p { margin: 0; }
.site-footer__lane { margin-left: auto; color: rgba(255, 107, 74, .9); }

/* ---------- 通用组件 ---------- */
.container {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 56px);
}

.prose {
  max-width: 72ch;
  font-size: 17px;
  line-height: 1.85;
}
.prose h2 { margin-top: 1.8em; }
.prose ul, .prose ol { padding-left: 1.3em; }

.grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}
.grid--5-7 { grid-template-columns: 5fr 7fr; }
.grid--7-5 { grid-template-columns: 7fr 5fr; }
.grid--3-9 { grid-template-columns: 3fr 9fr; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}
.lane-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--lane);
  transition: color .36s var(--ease), text-shadow .36s var(--ease);
}
.is-visible .lane-no {
  color: var(--foam);
  text-shadow: 0 0 18px rgba(47, 212, 208, .55);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--foam);
}

.rule {
  height: 1px;
  border: 0;
  margin: clamp(24px, 3vw, 40px) 0;
  background: linear-gradient(90deg, rgba(47, 212, 208, .55), rgba(18, 74, 104, .18) 62%, transparent);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 13px 22px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .04em;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background-color .16s var(--ease), color .16s var(--ease);
}
.btn--primary { background: var(--dolphin); color: var(--ink); }
.btn--primary:hover { background: var(--foam); color: var(--ink); }
.btn--ghost {
  background: rgba(47, 212, 208, .12);
  color: var(--foam);
  box-shadow: inset 0 0 0 1px rgba(47, 212, 208, .5);
}
.btn--ghost:hover { background: rgba(47, 212, 208, .22); color: var(--paper); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--dolphin);
  text-decoration: none;
}
.link-arrow::after {
  content: "→";
  transition: transform .16s var(--ease);
}
.link-arrow:hover::after { transform: translateX(4px); }

.breadcrumb {
  margin: 0 0 clamp(16px, 2vw, 24px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--mist);
}
.breadcrumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.breadcrumb__item { margin: 0; }
.breadcrumb__item::after { content: "/"; margin-left: 8px; color: var(--lane); }
.breadcrumb__item:last-child::after { content: ""; margin: 0; }
.breadcrumb__link { color: var(--mist); text-decoration: none; }
.breadcrumb__link:hover { color: var(--foam); }

.panel-cut {
  padding: clamp(20px, 3vw, 34px);
  color: var(--paper);
  background: linear-gradient(160deg, #0A2A42, #061E30);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}
.panel-cut--paper {
  color: var(--ink);
  background: linear-gradient(160deg, #F4EFE4, #E7E0D1);
}
.panel-cut--paper h2,
.panel-cut--paper h3 { color: var(--ink); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--foam);
  background: rgba(47, 212, 208, .12);
  border: 1px solid rgba(47, 212, 208, .32);
  border-radius: 2px;
}
.tag--coral {
  color: var(--coral);
  background: rgba(255, 107, 74, .14);
  border-color: rgba(255, 107, 74, .38);
}
.tag--signal {
  color: var(--signal);
  background: rgba(255, 209, 102, .14);
  border-color: rgba(255, 209, 102, .38);
}

.stat { display: block; }
.stat__value {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 7vw, 96px);
  line-height: .92;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--dolphin);
}
.stat__label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--mist);
}

.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(140deg, #0A2A42, #051826);
}
.media > img,
.media > svg,
.media > video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 24, 38, 0) 55%, rgba(5, 24, 38, .72) 100%);
}
.media--lane { aspect-ratio: 21 / 9; }
.media--score { aspect-ratio: 16 / 9; }
.media--portrait { aspect-ratio: 4 / 5; }
.media--square { aspect-ratio: 1 / 1; }
.media__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 12px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: rgba(157, 184, 198, .7);
  background-image: repeating-linear-gradient(115deg, rgba(47, 212, 208, .08) 0 1px, transparent 1px 18px);
}
.media__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}
.media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 显现动效 ---------- */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .36s var(--ease), transform .36s var(--ease);
}
.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "brand"
      "nav"
      "contact";
  }
  .site-footer__summary { max-width: 46ch; }
}

@media (max-width: 900px) {
  body {
    padding-left: 0;
    padding-right: 0;
    padding-top: var(--header-h);
  }

  .rail--right { display: none; }

  .rail--left {
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: var(--header-h);
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 0 14px;
    border-right: 0;
    border-bottom: 1px solid rgba(47, 212, 208, .32);
    background-color: var(--ink);
    background-image: linear-gradient(180deg, #062033, #051826);
    overflow: visible;
  }

  .brand { flex-direction: row; align-items: center; gap: 10px; }
  .brand__mark { width: 26px; height: 26px; }
  .brand__text { flex-direction: column; align-items: flex-start; gap: 1px; }
  .brand__name { writing-mode: horizontal-tb; font-size: 16px; letter-spacing: .06em; }
  .brand__tagline { writing-mode: horizontal-tb; font-size: 10px; letter-spacing: .16em; }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-left: auto;
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .16em;
    color: var(--foam);
    background: rgba(53, 200, 255, .1);
    border: 1px solid rgba(53, 200, 255, .42);
    border-radius: 2px;
    cursor: pointer;
  }
  .nav-toggle__bars { display: flex; flex-direction: column; gap: 4px; }
  .nav-toggle__bars span {
    display: block;
    width: 16px;
    height: 2px;
    background: currentColor;
    transition: transform .18s var(--ease);
  }
  .site-header[data-open="true"] .nav-toggle__bars span:first-child { transform: translateY(3px) rotate(45deg); }
  .site-header[data-open="true"] .nav-toggle__bars span:last-child { transform: translateY(-3px) rotate(-45deg); }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 0;
    max-height: 0;
    visibility: hidden;
    overflow: hidden;
    border-bottom: 1px solid rgba(47, 212, 208, .32);
    background: linear-gradient(180deg, rgba(10, 42, 66, .99), rgba(5, 24, 38, .99));
    box-shadow: 0 26px 48px -30px #000;
    transition: max-height .3s var(--ease), visibility .3s linear;
  }
  .site-header[data-open="true"] .primary-nav {
    max-height: 72vh;
    visibility: visible;
    overflow-y: auto;
  }

  .primary-nav__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 14px;
  }
  .primary-nav__link {
    writing-mode: horizontal-tb;
    padding: 14px 12px;
    font-size: 15px;
    letter-spacing: .06em;
    border-left: 0;
    border-bottom: 2px solid rgba(47, 212, 208, .18);
  }
  .primary-nav__link:hover { border-left: 0; }
  .primary-nav__link[aria-current="page"] {
    color: var(--ink);
    background: var(--dolphin);
    border-bottom-color: var(--dolphin);
  }

  .rail__rank { display: none; }

  .quick-rank-float { display: inline-flex; }

  .grid--5-7,
  .grid--7-5,
  .grid--3-9 { grid-template-columns: minmax(0, 1fr); }

  .site-footer__nav { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
  .site-footer__lane { margin-left: 0; }
  .site-footer__base { padding-bottom: 92px; }
}

@media (max-width: 640px) {
  .media--lane { aspect-ratio: 16 / 10; }
  .contact-list__row { grid-template-columns: 44px minmax(0, 1fr); }
  .site-footer__base { font-size: 11px; letter-spacing: .06em; }
}

@media (max-height: 780px) and (min-width: 901px) {
  .rail--left { gap: 10px; padding-top: 12px; }
  .brand__mark { width: 28px; height: 28px; }
  .brand__name { font-size: 13px; }
  .primary-nav__link { padding: 7px 6px; font-size: 11.5px; letter-spacing: .14em; }
  .rail__rank-text { font-size: 11px; }
  .rail__rank { padding: 9px 7px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js-ready [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .rail__rank-dot { animation: none; }
  .scroll-line__fill { transition: none; }
}