/* ==========================================================================
   星空体育入口 —— 共享样式表 /assets/site.css
   色序：深空蓝底 → 面板蓝分区 → 电光青轨迹 → 脉冲洋红行动 → 暖金节点
   ========================================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; }
h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
table { border-collapse: collapse; }
[hidden] { display: none !important; }

/* ---------- Tokens ---------- */
:root {
  --space: #0B1B3A;
  --midnight: #061023;
  --panel: #14294F;
  --line: #2E4A7D;
  --line-soft: rgba(46, 74, 125, 0.55);
  --cyan: #00E5FF;
  --magenta: #FF2D78;
  --gold: #FFC857;
  --green: #34E5A0;
  --ink: #E8F1FF;
  --muted: #9FB3D1;
  --deep-ink: #08122A;

  --rail-w: 88px;
  --rail-open: 248px;
  --cut: 14px;

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

/* ---------- Base ---------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--space);
  background-image:
    radial-gradient(1100px 640px at 84% -12%, rgba(0, 229, 255, 0.10), transparent 62%),
    radial-gradient(880px 520px at 0% 6%, rgba(255, 45, 120, 0.09), transparent 60%),
    radial-gradient(700px 700px at 50% 120%, rgba(255, 200, 87, 0.06), transparent 65%),
    linear-gradient(180deg, #0B1B3A 0%, #081532 46%, #061023 100%);
  min-height: 100vh;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.06em; line-height: 1.05; color: var(--ink); }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.25rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); line-height: 1.3; }
p { text-wrap: pretty; }

a { color: var(--cyan); text-decoration: none; transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease; }
a:hover { color: var(--ink); }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
::selection { background: rgba(0, 229, 255, 0.28); color: #FFFFFF; }

.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

/* ---------- 布局容器 ---------- */
.container { width: 100%; max-width: 1220px; margin-inline: auto; padding-inline: 20px; }
.section { padding-block: 52px; }
.section--deep { background: linear-gradient(180deg, rgba(6, 16, 35, 0.86), rgba(6, 16, 35, 0.55)); }
.section--panel { background: linear-gradient(150deg, rgba(20, 41, 79, 0.75), rgba(11, 27, 58, 0.75)); }
.section__head { display: grid; gap: 12px; margin-bottom: 28px; }
.section__title { max-width: 22em; }
.lede { font-size: 17px; color: var(--muted); max-width: 40em; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.26em;
  color: var(--cyan); text-transform: uppercase;
}
.kicker::before { content: ""; width: 22px; height: 1px; background: var(--magenta); flex: 0 0 auto; }

.prose { max-width: 40em; font-size: 17px; line-height: 1.85; color: #D5E2F5; }
.prose p + p { margin-top: 1.05em; }
.prose h2 { margin-top: 1.6em; margin-bottom: 0.5em; font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.prose h3 { margin-top: 1.4em; margin-bottom: 0.45em; }
.prose strong { color: var(--gold); }
.prose ul { margin-top: 0.8em; display: grid; gap: 0.5em; }
.prose li { padding-left: 1.2em; position: relative; }
.prose li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 6px; height: 6px; background: var(--cyan); transform: rotate(45deg); }

.stack > * + * { margin-top: var(--stack-gap, 18px); }

.divider { height: 1px; border: 0; background: linear-gradient(90deg, rgba(0, 229, 255, 0.6), rgba(255, 45, 120, 0.4) 55%, transparent); }

.dust-field {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background-image:
    radial-gradient(rgba(232, 241, 255, 0.55) 1px, transparent 1px),
    radial-gradient(rgba(0, 229, 255, 0.4) 1px, transparent 1px);
  background-size: 120px 120px, 190px 190px;
  background-position: 0 0, 60px 80px;
  animation: dust-drift 46s linear infinite alternate;
}
@keyframes dust-drift {
  from { background-position: 0 0, 60px 80px; }
  to { background-position: 70px 130px, -20px -40px; }
}

/* ---------- 按钮与芯片 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; font-family: var(--font-body); font-size: 15px; font-weight: 600;
  letter-spacing: 0.06em; border: 1px solid transparent; text-align: center;
  transition: transform 0.18s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--pulse {
  background: var(--magenta); color: var(--deep-ink);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.btn--pulse:hover { background: #FF4E8E; color: var(--deep-ink); }
.btn--pulse:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--gold); }
.btn--ghost { border-color: rgba(0, 229, 255, 0.45); color: var(--cyan); background: rgba(0, 229, 255, 0.06); }
.btn--ghost:hover { background: rgba(0, 229, 255, 0.16); color: var(--ink); border-color: var(--cyan); }
.btn--line { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--line:hover { border-color: var(--cyan); color: var(--cyan); }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; font-family: var(--font-mono); font-size: 13px;
  color: var(--muted); background: rgba(20, 41, 79, 0.45); border: 1px solid var(--line);
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}
.chip:hover { color: var(--ink); border-color: rgba(0, 229, 255, 0.55); }
.chip.is-active, .chip[aria-pressed="true"] { background: var(--cyan); border-color: var(--cyan); color: var(--deep-ink); }
.chipline { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- 面板 / 栅格 / 指标 / 表格 ---------- */
.panel { background: linear-gradient(160deg, rgba(20, 41, 79, 0.92), rgba(11, 27, 58, 0.92)); border: 1px solid var(--line-soft); padding: 22px; }
.panel--cut {
  border-color: rgba(0, 229, 255, 0.35);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.grid { display: grid; gap: 22px; grid-template-columns: 1fr; }
.grid--magazine { display: grid; gap: 28px; grid-template-columns: 1fr; }
.grid__aside { font-family: var(--font-mono); font-size: 13px; color: var(--muted); line-height: 1.9; }
.grid__main { min-width: 0; }

.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__value { font-family: var(--font-mono); font-size: clamp(28px, 4vw, 46px); line-height: 1; color: var(--gold); letter-spacing: -0.01em; }
.stat__label { font-size: 13px; color: var(--muted); letter-spacing: 0.06em; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); background: rgba(6, 16, 35, 0.55); }
.data-table { width: 100%; min-width: 560px; font-family: var(--font-mono); font-size: 13px; }
.data-table th {
  text-align: left; padding: 12px 14px; color: var(--muted); font-size: 11px;
  letter-spacing: 0.16em; border-bottom: 1px solid var(--line); white-space: nowrap; font-weight: 500;
}
.data-table td { padding: 12px 14px; border-bottom: 1px solid rgba(46, 74, 125, 0.4); color: var(--ink); }
.data-table tbody tr:nth-child(even) { background: rgba(20, 41, 79, 0.35); }
.data-table tbody tr:hover { background: rgba(0, 229, 255, 0.07); }
.data-table td:first-child { color: var(--cyan); }

/* ---------- 图片容器（页面阶段放图） ---------- */
.media { position: relative; background: linear-gradient(140deg, #10244A, #061023); overflow: hidden; }
.media__frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.media--wide .media__frame { aspect-ratio: 21 / 9; }
.media--tall .media__frame { aspect-ratio: 3 / 4; }
.media__frame::before {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0.5;
  background-image:
    linear-gradient(rgba(46, 74, 125, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 74, 125, 0.3) 1px, transparent 1px);
  background-size: 44px 44px;
}
.media__img, .media__frame img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.media__cap { display: block; padding-top: 10px; font-size: 12px; color: var(--muted); font-family: var(--font-mono); letter-spacing: 0.04em; }

/* ---------- 面包屑 ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: var(--line); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb [aria-current="page"] { color: var(--ink); }

/* ---------- 显现动效 ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.62s ease, transform 0.62s ease; }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   头部：桌面轨道导航 / 移动顶部条 + 抽屉
   ========================================================================== */
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 200;
  padding: 10px 18px; background: var(--gold); color: var(--deep-ink);
  font-size: 14px; font-weight: 700; letter-spacing: 0.06em;
  transform: translateY(-180%); transition: transform 0.22s ease;
}
.skip-link:focus { transform: translateY(0); color: var(--deep-ink); }

.site-header {
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 70;
  width: var(--rail-w);
  display: flex; flex-direction: column; gap: 16px;
  padding: 18px 0 20px;
  background:
    linear-gradient(180deg, rgba(0, 229, 255, 0.07) 0%, transparent 24%),
    linear-gradient(180deg, #071634 0%, #050D1E 100%);
  border-right: 1px solid var(--line);
  transition: width 0.34s cubic-bezier(0.4, 0, 0.2, 1);
}
.site-header[data-expanded] { width: var(--rail-open); box-shadow: 28px 0 70px rgba(2, 6, 16, 0.72); }

/* 品牌 */
.brand { display: flex; align-items: center; gap: 0; padding-inline: 22px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand__mark {
  flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 14px; font-weight: 700; letter-spacing: 0.04em;
  color: var(--gold); background: rgba(255, 200, 87, 0.1);
  border: 1px solid rgba(255, 200, 87, 0.55);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}
.brand__text {
  display: flex; flex-direction: column; gap: 2px; min-width: 0;
  max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap;
  transition: max-width 0.34s ease, opacity 0.22s ease;
}
.site-header[data-expanded] .brand { gap: 10px; }
.site-header[data-expanded] .brand__text { max-width: 152px; opacity: 1; }
.brand__name { font-family: var(--font-display); font-size: 19px; font-weight: 700; letter-spacing: 0.1em; }
.brand__tag { font-size: 11.5px; letter-spacing: 0.03em; color: var(--muted); }

/* 导航按钮 */
.nav-toggle {
  flex: 0 0 auto; width: 44px; height: 44px; margin: 0 auto;
  display: grid; place-items: center;
  border: 1px solid var(--line); background: rgba(20, 41, 79, 0.55); color: var(--ink);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.nav-toggle:hover { border-color: rgba(0, 229, 255, 0.55); background: rgba(0, 229, 255, 0.12); }
.nav-toggle__bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bars span { display: block; height: 2px; background: var(--cyan); transition: transform 0.26s ease, opacity 0.2s ease; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav-toggle__label {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* 导航本体 */
.rail-nav { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; gap: 12px; }
.rail-nav__kicker {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.28em;
  color: var(--muted); text-align: center; text-transform: uppercase;
}
.site-header[data-expanded] .rail-nav__kicker { text-align: left; padding-left: 24px; }
.rail-nav__list {
  flex: 1 1 auto; min-height: 0; overflow-y: auto; overflow-x: hidden;
  display: flex; flex-direction: column; gap: 4px; padding: 4px 0;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.rail-nav__list::-webkit-scrollbar { width: 4px; }
.rail-nav__list::-webkit-scrollbar-thumb { background: var(--line); }

.rail-link {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; padding: 12px 6px; margin: 0 14px;
  color: var(--muted); transition: color 0.2s ease, background-color 0.2s ease;
}
.rail-link::before {
  content: ""; position: absolute; left: -8px; top: 50%; width: 3px; height: 0;
  background: var(--cyan); transform: translateY(-50%); transition: height 0.28s ease;
}
.rail-link:hover { color: var(--ink); background: rgba(0, 229, 255, 0.07); }
.rail-link[aria-current="page"] { color: var(--cyan); background: rgba(0, 229, 255, 0.1); }
.rail-link[aria-current="page"]::before { height: 62%; box-shadow: 0 0 12px var(--cyan); }
.rail-link__idx { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--line); }
.rail-link[aria-current="page"] .rail-link__idx { color: var(--cyan); }
.rail-link__label { writing-mode: vertical-rl; font-size: 13px; font-weight: 600; letter-spacing: 0.22em; }

.site-header[data-expanded] .rail-link { flex-direction: row; align-items: center; justify-content: flex-start; gap: 12px; padding: 11px 14px; margin: 0 12px; }
.site-header[data-expanded] .rail-link__label { writing-mode: horizontal-tb; font-size: 15px; letter-spacing: 0.1em; }

/* 轨道底部 */
.rail-foot { display: flex; flex-direction: column; align-items: center; gap: 12px; padding-inline: 14px; }
.rail-cta { padding: 14px 10px; min-width: 44px; }
.rail-cta__text { writing-mode: vertical-rl; font-size: 13px; font-weight: 700; letter-spacing: 0.18em; }
.site-header[data-expanded] .rail-cta { padding: 13px 24px; min-width: 0; }
.site-header[data-expanded] .rail-cta__text { writing-mode: horizontal-tb; font-size: 14px; letter-spacing: 0.14em; }

.data-badge { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11px; color: var(--gold); }
.data-badge__short { padding: 2px 6px; background: var(--gold); color: var(--deep-ink); font-weight: 700; letter-spacing: 0.08em; }
.data-badge__long {
  max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap; letter-spacing: 0.06em;
  transition: max-width 0.34s ease, opacity 0.22s ease;
}
.site-header[data-expanded] .data-badge__long { max-width: 140px; opacity: 1; }

/* 滚动进度刻度 */
.rail-progress { width: 2px; height: 90px; margin: 0 auto; background: rgba(46, 74, 125, 0.45); }
.rail-progress__fill {
  display: block; width: 100%; height: 100%;
  transform: scaleY(0); transform-origin: top center;
  background: linear-gradient(180deg, var(--cyan), var(--magenta));
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  position: relative; overflow: hidden; margin-top: 72px;
  background: linear-gradient(180deg, #061023 0%, #03080F 100%);
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer__beam {
  position: absolute; top: 0; left: -6%; width: 112%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.85), rgba(255, 45, 120, 0.7), transparent);
  transform: rotate(-1.4deg); opacity: 0.8;
}
.footer__inner { max-width: 1220px; margin-inline: auto; padding: 52px 20px 26px; }

.footer__top { display: grid; gap: 38px; grid-template-columns: 1fr; }

.footer__brand { display: grid; gap: 8px; align-content: start; }
.footer__mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--gold);
  background: rgba(255, 200, 87, 0.1); border: 1px solid rgba(255, 200, 87, 0.55);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}
.footer__name { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: 0.12em; color: var(--ink); }
.footer__tag { font-size: 13px; color: var(--muted); }
.footer__meta { display: grid; gap: 7px; margin-top: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.footer__meta li { display: flex; align-items: baseline; gap: 9px; }
.footer__meta li::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; background: var(--cyan); transform: rotate(45deg); }

.footer__cols { display: grid; gap: 30px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.footer__col { min-width: 0; }
.footer__col-title {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.22em;
  color: var(--ink); margin-bottom: 14px; display: flex; align-items: center; gap: 10px;
}
.footer__col-title::after { content: ""; flex: 1 1 auto; height: 1px; background: var(--line-soft); }
.footer__list { display: grid; gap: 10px; }
.footer__link { color: var(--muted); font-size: 14px; border-bottom: 1px solid transparent; }
.footer__link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

.contact-list { display: grid; gap: 2px; }
.contact-row {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 10px;
  padding: 10px 0; border-bottom: 1px dashed rgba(46, 74, 125, 0.5);
}
.contact-row__label { grid-column: 1 / -1; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; color: var(--line); }
.contact-row__value { font-family: var(--font-mono); font-size: 13px; color: var(--ink); word-break: break-all; }
.contact-row--wide .contact-row__value { font-family: var(--font-body); font-size: 13px; line-height: 1.65; color: var(--muted); }
.copy-btn {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; padding: 4px 10px;
  color: var(--cyan); border: 1px solid rgba(0, 229, 255, 0.4); background: rgba(0, 229, 255, 0.06);
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}
.copy-btn:hover { background: rgba(0, 229, 255, 0.18); color: var(--ink); }
.copy-btn.is-copied { color: var(--green); border-color: rgba(52, 229, 160, 0.55); background: rgba(52, 229, 160, 0.14); }
.footer__note { margin-top: 14px; font-size: 12px; line-height: 1.7; color: var(--muted); }

.footer__bottom { margin-top: 38px; padding-top: 18px; border-top: 1px solid var(--line-soft); display: flex; flex-wrap: wrap; gap: 8px 26px; }
.footer__legal { font-size: 12px; color: var(--muted); }
.footer__legal--muted { color: rgba(159, 179, 209, 0.75); font-family: var(--font-mono); letter-spacing: 0.04em; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (min-width: 620px) {
  .container { padding-inline: 28px; }
  .section { padding-block: 68px; }
  .footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  body { padding-left: var(--rail-w); }
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--magazine { grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: start; }
}

@media (min-width: 1000px) {
  .container { padding-inline: 44px; }
  .section { padding-block: 84px; }
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__top { grid-template-columns: 1fr 1.85fr; gap: 56px; }
  .footer__inner { padding: 72px 44px 30px; }
}

@media (max-width: 899px) {
  body { padding-left: 0; }
  .site-header {
    position: sticky; top: 0; left: auto; bottom: auto;
    width: 100%; height: 62px;
    flex-direction: row; align-items: center; justify-content: space-between; gap: 12px;
    padding: 0 16px;
    border-right: 0; border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #08172F 0%, #061023 100%);
  }
  .site-header[data-expanded] { width: 100%; box-shadow: none; }

  .brand { flex: 1 1 auto; min-width: 0; padding-inline: 0; gap: 10px; }
  .brand__mark { width: 38px; height: 38px; font-size: 12px; }
  .brand__text { max-width: none; opacity: 1; gap: 0; }
  .brand__name { font-size: 16px; letter-spacing: 0.08em; }
  .brand__tag { font-size: 11px; overflow: hidden; text-overflow: ellipsis; }

  .nav-toggle {
    position: relative; flex: 0 0 auto; width: auto; height: 40px; margin: 0; padding: 0 12px;
    display: inline-flex; align-items: center; gap: 9px;
  }
  .nav-toggle__label {
    position: static; width: auto; height: auto; margin: 0; overflow: visible; clip-path: none;
    font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em; color: var(--ink);
  }

  .rail-nav {
    position: fixed; top: 62px; right: 0; bottom: 0; left: auto;
    width: min(330px, 88vw); flex: none; gap: 18px;
    padding: 24px 20px 34px;
    background: linear-gradient(180deg, #0A1C3E 0%, #050C1B 100%);
    border-left: 1px solid var(--line);
    transform: translateX(106%); visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
    overflow-y: auto;
  }
  .rail-nav[data-open] { transform: none; visibility: visible; }
  .rail-nav__kicker { text-align: left; padding-left: 4px; }
  .rail-nav__list { flex: none; overflow: visible; gap: 2px; }

  .rail-link { flex-direction: row; align-items: center; justify-content: flex-start; gap: 14px; padding: 13px 10px; margin: 0; }
  .rail-link::before { left: -6px; }
  .rail-link__label { writing-mode: horizontal-tb; font-size: 16px; letter-spacing: 0.1em; }
  .rail-link__idx { font-size: 11px; }

  .rail-foot { align-items: stretch; padding-inline: 0; gap: 14px; }
  .rail-cta { padding: 14px 18px; min-width: 0; }
  .rail-cta__text { writing-mode: horizontal-tb; font-size: 14px; letter-spacing: 0.14em; }
  .data-badge { justify-content: center; }
  .data-badge__long { max-width: 150px; opacity: 1; }

  .rail-progress { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .dust-field { animation: none; }
  .js [data-reveal] { opacity: 1; transform: none; }
  .btn:hover { transform: none; }
}