/* ==========================================================================
   赛酷体育 · 共享站点样式 /assets/site.css
   深灰蓝底 + 运动绿纵向色带 + 荧光黄节奏点 + 橙红信号角标
   ========================================================================== */

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

/* ---------- 变量 ---------- */
:root {
  --c-green: #0FA36B;
  --c-volt: #E8FF3A;
  --c-deep: #10192B;
  --c-deep-2: #1C2740;
  --c-signal: #FF5A2B;
  --c-paper: #F5F6F0;
  --c-slate: #59647A;
  --c-ink: #0B0F16;
  --c-mint: #7FE0B0;

  --c-line: rgba(245, 246, 240, .12);
  --c-line-strong: rgba(245, 246, 240, .24);
  --c-dim: rgba(245, 246, 240, .58);
  --c-line-ink: rgba(11, 15, 22, .16);

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

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --cut: 22px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: 240ms;
  --skew: -4deg;
}

/* ---------- 中文排版基线 ---------- */
body {
  background: var(--c-deep);
  color: var(--c-paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.mono, code, kbd, samp { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.is-visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 2px solid var(--c-volt); outline-offset: 3px; border-radius: 2px; }

/* ---------- 布局容器 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap, clamp(16px, 2.2vw, 30px));
}
.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-12 { grid-column: span 12; }

/* ---------- 跳至主要内容 ---------- */
.skip-link {
  position: absolute; left: var(--gutter); top: -80px; z-index: 120;
  background: var(--c-volt); color: var(--c-ink);
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .06em;
  padding: 10px 18px; border-radius: 0 0 2px 2px;
  transition: top 160ms var(--ease);
}
.skip-link:focus { top: 0; }

/* ==========================================================================
   页头
   ========================================================================== */
.site-header {
  --header-h: 78px;
  position: sticky; top: 0; z-index: 80;
  background: var(--c-deep);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header[data-shrink] {
  --header-h: 56px;
  background: rgba(16, 25, 43, .97);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .38);
}

.progress-rail {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
  background: rgba(245, 246, 240, .08); overflow: hidden;
}
.progress-fill {
  display: block; width: 100%; height: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--c-green) 0%, var(--c-volt) 100%);
}

.header-inner {
  max-width: var(--wrap); margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--header-h);
  display: flex; align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
  transition: height var(--dur) var(--ease);
}

.header-brand { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.brand-mark {
  font-family: var(--font-display);
  font-weight: 800; font-size: 22px; line-height: 1.05;
  letter-spacing: .05em; color: var(--c-paper);
  transform: skewX(var(--skew)); transform-origin: left bottom;
  transition: color var(--dur) var(--ease), font-size var(--dur) var(--ease);
  white-space: nowrap;
}
.brand-mark:hover { color: var(--c-volt); }
.site-header[data-shrink] .brand-mark { font-size: 19px; }

.brand-status {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .08em; color: var(--c-dim); white-space: nowrap;
  max-height: 20px; overflow: hidden;
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.site-header[data-shrink] .brand-status { max-height: 0; opacity: 0; }
.brand-status-sep { color: rgba(245, 246, 240, .3); }

.status-dot {
  flex: none; width: 7px; height: 7px; border-radius: 50%;
  background: var(--c-mint);
  animation: sk-breathe 3s ease-in-out infinite;
}
@keyframes sk-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(127, 224, 176, .45); }
  50% { box-shadow: 0 0 0 6px rgba(127, 224, 176, 0); }
}

.header-nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-list a {
  position: relative; display: block;
  padding: 8px 12px; font-size: 14.5px;
  color: rgba(245, 246, 240, .74);
  transition: color var(--dur) var(--ease);
  white-space: nowrap;
}
.nav-list a::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px;
  background: var(--c-volt);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav-list a:hover { color: var(--c-paper); }
.nav-list a:hover::after { transform: scaleX(1); }
.nav-list a[aria-current="page"] { color: var(--c-volt); }
.nav-list a[aria-current="page"]::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 8px; }
.quick-link {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em;
  padding: 7px 11px; white-space: nowrap;
  border: 1px solid var(--c-line-strong); border-radius: 2px;
  color: rgba(245, 246, 240, .88);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.quick-link:hover { border-color: var(--c-green); color: var(--c-volt); }
.quick-link--accent {
  background: var(--c-volt); border-color: var(--c-volt);
  color: var(--c-ink); font-weight: 700;
}
.quick-link--accent:hover { background: var(--c-mint); border-color: var(--c-mint); color: var(--c-ink); }

.nav-toggle {
  display: none; align-items: center; gap: 8px;
  padding: 8px 10px; border: 1px solid var(--c-line-strong); border-radius: 2px;
}
.nav-toggle-bars {
  position: relative; display: block; width: 16px; height: 2px; background: var(--c-paper);
}
.nav-toggle-bars::before, .nav-toggle-bars::after {
  content: ""; position: absolute; left: 0; width: 16px; height: 2px; background: var(--c-paper);
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }
.nav-toggle-text { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  margin-top: clamp(56px, 9vw, 120px);
  background: var(--c-ink);
  color: var(--c-paper);
}

.footer-band { background: var(--c-volt); color: var(--c-ink); }
.footer-band-inner {
  max-width: var(--wrap); margin-inline: auto;
  padding: 12px var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px 24px; flex-wrap: wrap;
}
.footer-band-text {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: .16em; font-weight: 700;
}
.footer-band-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-band-nav a {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  padding: 2px 4px; border-bottom: 1px solid rgba(11, 15, 22, .4);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.footer-band-nav a:hover { background: var(--c-ink); color: var(--c-volt); border-color: var(--c-ink); }

.footer-main {
  max-width: var(--wrap); margin-inline: auto;
  padding: clamp(40px, 6vw, 76px) var(--gutter) clamp(28px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(0, 2.5fr);
  gap: clamp(28px, 5vw, 64px);
}
.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-logo {
  font-family: var(--font-display); font-weight: 800; font-size: 30px;
  letter-spacing: .05em; transform: skewX(var(--skew)); transform-origin: left bottom;
}
.footer-index {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  color: var(--c-mint); font-weight: 300;
}
.footer-note { font-size: 14px; line-height: 1.7; color: var(--c-dim); max-width: 28ch; }

.footer-columns {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px; background: var(--c-line);
  border: 1px solid var(--c-line);
}
.footer-col {
  background: var(--c-ink);
  padding: 16px 14px 18px;
  display: flex; flex-direction: column; gap: 8px; min-height: 104px;
  transition: background var(--dur) var(--ease);
}
.footer-col:hover { background: var(--c-deep-2); }
.footer-col-num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  color: rgba(245, 246, 240, .42); font-weight: 300;
}
.footer-col-link {
  font-size: 15px; line-height: 1.45; color: var(--c-paper);
  transition: color var(--dur) var(--ease);
}
.footer-col:hover .footer-col-link { color: var(--c-volt); }
.footer-col:hover .footer-col-num { color: var(--c-green); }

.footer-contact {
  max-width: var(--wrap); margin-inline: auto;
  padding: 26px var(--gutter) 30px;
  display: grid; gap: 14px 32px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  border-top: 1px solid var(--c-line);
}
.footer-contact-item { display: flex; flex-direction: column; gap: 4px; }
.footer-contact-item--wide { grid-column: 1 / -1; }
.footer-contact-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  color: rgba(245, 246, 240, .42); font-weight: 300;
}
.footer-contact-value {
  font-family: var(--font-mono); font-size: 13.5px; line-height: 1.6;
  color: rgba(245, 246, 240, .86); font-variant-numeric: tabular-nums;
}

.footer-legal { border-top: 1px solid var(--c-line); }
.footer-legal-inner {
  max-width: var(--wrap); margin-inline: auto;
  padding: 16px var(--gutter) 26px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px 24px; flex-wrap: wrap;
}
.footer-legal-line {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em;
  color: rgba(245, 246, 240, .46); font-variant-numeric: tabular-nums;
}
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-legal-links a {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em;
  color: rgba(245, 246, 240, .7);
  transition: color var(--dur) var(--ease);
}
.footer-legal-links a:hover { color: var(--c-volt); }

/* ==========================================================================
   通用按钮
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border: 1px solid transparent; border-radius: 2px;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .06em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn--primary { background: var(--c-green); color: var(--c-paper); }
.btn--primary:hover { background: var(--c-mint); color: var(--c-ink); }
.btn--volt { background: var(--c-volt); color: var(--c-ink); font-weight: 700; }
.btn--volt:hover { background: var(--c-mint); color: var(--c-ink); }
.btn--ghost { border-color: var(--c-line-strong); color: var(--c-paper); }
.btn--ghost:hover { border-color: var(--c-volt); color: var(--c-volt); }

/* ==========================================================================
   面包屑 / 正文
   ========================================================================== */
.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em;
  color: var(--c-dim);
  padding-block: clamp(18px, 3vw, 30px) 4px;
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li:not(:last-child)::after { content: "/"; color: rgba(245, 246, 240, .28); }
.breadcrumb a:hover { color: var(--c-volt); }

.prose { max-width: 42em; font-size: 17px; line-height: 1.75; }
.prose > * + * { margin-top: 1em; }
.prose h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(26px, 3.4vw, 36px); line-height: 1.1;
  transform: skewX(var(--skew)); transform-origin: left bottom;
  margin-top: 1.6em;
}
.prose h3 { font-size: 20px; font-weight: 700; margin-top: 1.4em; }
.prose a { color: var(--c-mint); border-bottom: 1px solid currentColor; }
.prose a:hover { color: var(--c-volt); }
.prose ul { padding-left: 1.1em; }
.prose ul li { position: relative; padding-left: 1em; }
.prose ul li::before {
  content: ""; position: absolute; left: 0; top: .72em;
  width: 6px; height: 6px; background: var(--c-green); border-radius: 50%;
}
.prose blockquote {
  border-left: 3px solid var(--c-volt);
  padding: 6px 0 6px 18px; color: var(--c-dim);
}

/* ==========================================================================
   章节 / 分区色带 / 索引
   ========================================================================== */
.index-label {
  display: inline-block;
  font-family: var(--font-mono); font-size: 11px; font-weight: 300;
  letter-spacing: .16em; text-transform: uppercase; color: var(--c-dim);
}

.display {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(40px, 9vw, 118px); line-height: .94; letter-spacing: .005em;
  transform: skewX(var(--skew)); transform-origin: left bottom;
}

.chapter {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px 16px;
  padding-top: clamp(44px, 7vw, 92px);
}
.chapter-num {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
  color: var(--c-green); font-weight: 600;
  transition: color var(--dur) var(--ease);
}
.chapter-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(28px, 4.2vw, 44px); line-height: 1.05;
  transform: skewX(var(--skew)); transform-origin: left bottom;
}
.chapter-band {
  flex: 1 1 160px; height: 6px; min-width: 80px;
  background: linear-gradient(90deg, var(--c-green) 0 38%, rgba(15, 163, 107, .16) 38% 100%);
}
.chapter.is-active .chapter-num { color: var(--c-volt); }
.chapter.is-dim { opacity: .5; transition: opacity var(--dur) var(--ease); }

.section-band { background: var(--c-deep-2); padding-block: clamp(36px, 6vw, 84px); }
.section-band--paper { background: var(--c-paper); color: var(--c-ink); }
.section-band--green { background: var(--c-green); color: var(--c-paper); }
.section-band--paper .index-label,
.section-band--paper .stat-label { color: var(--c-slate); }
.section-band--paper .stat-value { color: var(--c-green); }
.section-band--paper .chapter-num { color: var(--c-green); }
.section-band--paper .chapter-band {
  background: linear-gradient(90deg, var(--c-green) 0 38%, rgba(15, 163, 107, .2) 38% 100%);
}
.section-band--paper .tag { border-color: var(--c-line-ink); color: var(--c-ink); }
.section-band--paper .prose a { color: var(--c-green); }

/* ==========================================================================
   标签 / 数据 / 面板
   ========================================================================== */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border: 1px solid var(--c-line-strong); border-radius: 2px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em;
  color: var(--c-paper); white-space: nowrap;
}
.tag--cut { clip-path: polygon(7px 0, 100% 0, calc(100% - 7px) 100%, 0 100%); border-radius: 0; }
.tag--volt { background: var(--c-volt); border-color: var(--c-volt); color: var(--c-ink); font-weight: 700; }
.tag--mint { border-color: var(--c-mint); color: var(--c-mint); }
.tag--signal {
  background: var(--c-signal); border-color: var(--c-signal); color: var(--c-paper); font-weight: 700;
  animation: sk-signal 3s ease-in-out infinite;
}
@keyframes sk-signal { 0%, 100% { opacity: 1; } 50% { opacity: .78; } }

.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 54px); font-weight: 700; line-height: 1;
  color: var(--c-volt);
}
.stat-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  color: var(--c-dim); font-weight: 300;
}

.panel {
  background: var(--c-deep-2);
  border: 1px solid var(--c-line);
  padding: clamp(18px, 3vw, 28px);
}
.panel--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}
.panel--paper { background: var(--c-paper); color: var(--c-ink); border-color: var(--c-line-ink); }
.panel--paper .index-label,
.panel--paper .stat-label { color: var(--c-slate); }
.panel--paper .stat-value { color: var(--c-green); }
.panel--paper .tag { border-color: var(--c-line-ink); color: var(--c-ink); }

/* ==========================================================================
   时间轴
   ========================================================================== */
.timeline {
  position: relative;
  padding-left: 22px;
  border-left: 2px solid rgba(15, 163, 107, .55);
}
.timeline-item { position: relative; padding-bottom: 22px; }
.timeline-item::before {
  content: ""; position: absolute; left: -29px; top: 7px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--c-mint);
  box-shadow: 0 0 0 3px var(--c-deep);
  transition: background var(--dur) var(--ease);
}
.timeline-item.is-active::before { background: var(--c-volt); }
.timeline-item.is-dim { opacity: .55; }
.timeline-time {
  display: block;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  color: var(--c-volt); font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   图片容器（页面阶段放置占位图）
   ========================================================================== */
.media-frame {
  position: relative; overflow: hidden;
  background: var(--c-deep-2);
  border: 1px solid var(--c-line);
}
.media-frame img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  filter: saturate(1.05) contrast(1.05);
}
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--cut { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%); }
.media-frame--paper { border-color: var(--c-line-ink); background: var(--c-paper); }
.media-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 20%, transparent 40%, rgba(11, 15, 22, .5) 100%);
}
.media-cap {
  margin-top: 10px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  color: var(--c-dim);
}

/* ==========================================================================
   滚动显现
   ========================================================================== */
.js .reveal {
  opacity: 0; transform: translateY(14px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}
.js .reveal.is-in { opacity: 1; transform: none; }

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

@media (max-width: 1024px) {
  .site-header { --header-h: 64px; }
  .nav-toggle { display: inline-flex; }
  .header-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    margin-left: 0;
    background: var(--c-deep-2);
    border-bottom: 1px solid var(--c-line);
    padding: 10px var(--gutter) 22px;
    max-height: 72vh; overflow-y: auto;
    opacity: 0; visibility: hidden; pointer-events: none;
    transform: translateY(-12px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease);
  }
  .site-header[data-open] .header-nav {
    opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0);
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list a {
    padding: 14px 6px; font-size: 17px;
    border-bottom: 1px solid rgba(245, 246, 240, .08);
  }
  .nav-list a::after { display: none; }
  .nav-list a[aria-current="page"] {
    padding-left: 16px;
    background: linear-gradient(90deg, rgba(232, 255, 58, .14), transparent 70%);
  }
  .nav-list a[aria-current="page"]::before {
    content: ""; position: absolute; left: 0; top: 14px; bottom: 14px;
    width: 3px; background: var(--c-volt);
  }
  .footer-main { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .col-4, .col-6, .col-8 { grid-column: span 12; }
  .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .brand-status { display: none; }
  .quick-link { font-size: 11px; padding: 6px 8px; letter-spacing: .02em; }
  .header-inner { gap: 8px; }
  .footer-columns { grid-template-columns: 1fr; }
  .footer-band-inner { justify-content: flex-start; }
  .footer-legal-inner { justify-content: flex-start; }
  .display { font-size: clamp(38px, 13vw, 56px); }
}

/* ==========================================================================
   无障碍：减弱动效
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .progress-fill { transition: none; }
}