/* =========================================================
   乐竟看台 · 共享样式 /assets/site.css
   深墨绿底 + 炭黑记录带 + 荧光黄绿进度线
   ========================================================= */

/* ---------- 0. 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, figcaption, blockquote, dl, dt, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 1. Tokens ---------- */
:root {
  --bg: #0C1A16;
  --bg-deep: #0A0C0B;
  --neon: #C6F24E;
  --neon-soft: #E4FF9B;
  --red: #E2454A;
  --yellow: #F2C230;
  --teal: #1E6F5C;
  --mute: #6E8579;
  --ink: #EEF3EF;
  --line: #2A3A36;
  --ink-soft: rgba(238, 243, 239, .74);
  --ink-faint: rgba(238, 243, 239, .52);
  --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
  --wrap: 1280px;
  --gutter: clamp(1.05rem, 3.6vw, 2.6rem);
  --cut: 22px;
  --cut-sm: 8px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- 2. Base ---------- */
html { background-color: var(--bg-deep); }
body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(90% 62% at 6% -10%, rgba(30, 111, 92, .55), rgba(30, 111, 92, 0) 62%),
    radial-gradient(72% 52% at 102% 2%, rgba(198, 242, 78, .07), rgba(198, 242, 78, 0) 58%),
    linear-gradient(180deg, #0C1A16 0%, #0A0C0B 100%);
  background-repeat: no-repeat;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
::selection { background: var(--neon); color: #0A0C0B; }
:focus-visible { outline: 2px solid var(--neon); outline-offset: 3px; }

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

/* ---------- 3. 通用文字 ---------- */
.display-title {
  font-size: clamp(40px, 7vw, 96px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -.03em;
}
.section-title { font-size: clamp(22px, 3.2vw, 34px); letter-spacing: -.02em; }
.section-note { color: var(--ink-faint); font-size: 14.5px; max-width: 44ch; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--neon);
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; }
.label { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; color: var(--mute); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: .06em; }
.note { font-size: 12.5px; line-height: 1.7; color: var(--mute); }
.prose { max-width: 42em; color: var(--ink-soft); }
.prose p + p, .prose ul + p, .prose p + ul, .prose ol + p { margin-top: 1.2em; }
.prose h3 { margin: 1.6em 0 .5em; font-size: 17px; color: var(--ink); }
.prose strong { color: var(--ink); }
.prose li + li { margin-top: .5em; }
.prose ul li { padding-left: 1.1em; position: relative; }
.prose ul li::before {
  content: ""; position: absolute; left: 0; top: .72em;
  width: 6px; height: 6px; background: var(--neon); transform: rotate(45deg);
}

/* ---------- 4. 布局骨架 ---------- */
.section { padding-block: clamp(2.4rem, 6vw, 4.5rem); }
.section--tight { padding-block: clamp(1.6rem, 4vw, 2.6rem); }
.section-head { margin-bottom: clamp(1.2rem, 3vw, 2rem); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 38%) minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.8rem);
  align-items: start;
}
.split-rail { position: relative; }
.split-canvas { position: relative; min-width: 0; }
.rail-sticky { position: sticky; top: 2rem; }

.grid-2, .grid-3 { display: grid; gap: clamp(1rem, 2.4vw, 1.8rem); grid-template-columns: minmax(0, 1fr); }

@media (max-width: 980px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .rail-sticky { position: static; }
}
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1040px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.divider-slant {
  display: block;
  height: clamp(26px, 5vw, 54px);
  background: linear-gradient(100deg, rgba(30, 111, 92, .5), rgba(30, 111, 92, 0) 64%);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

/* ---------- 5. 切角面板与组件 ---------- */
.cut-panel {
  position: relative;
  padding: clamp(1.05rem, 2.4vw, 1.8rem);
  background: linear-gradient(160deg, rgba(30, 111, 92, .22), rgba(10, 12, 11, .58) 62%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.panel-head {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: .5rem 1rem; padding-bottom: .7rem; margin-bottom: .95rem;
  border-bottom: 1px dashed rgba(42, 58, 54, .95);
}
.panel-title { font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.panel-body { color: var(--ink-soft); font-size: 15px; }

.chip-row { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .4rem .72rem;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--ink-soft);
  background: rgba(238, 243, 239, .04);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.chip:hover { color: var(--neon-soft); border-color: rgba(198, 242, 78, .42); }
.chip[aria-pressed="true"], .chip[data-active="true"] {
  background: var(--neon); border-color: var(--neon); color: #0A0C0B; font-weight: 600;
}

.tag {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .12rem .5rem;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .04em;
  color: #0A0C0B;
  clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}
.tag--red { background: var(--red); }
.tag--yellow { background: var(--yellow); }
.tag--neon { background: var(--neon); }
.tag--mute { background: rgba(110, 133, 121, .3); color: var(--ink-soft); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: rgba(42, 58, 54, .9);
  border: 1px solid rgba(42, 58, 54, .9);
}
.stat { background: rgba(10, 12, 11, .86); padding: 1rem 1.1rem; }
.stat-value {
  display: block;
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3vw, 30px); font-weight: 600; color: var(--neon);
}
.stat-label { display: block; margin-top: .25rem; font-size: 12px; letter-spacing: .06em; color: var(--mute); }

.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before {
  content: ""; position: absolute; left: 4.5px; top: .5rem; bottom: .5rem; width: 1px;
  background: linear-gradient(180deg, var(--neon), rgba(42, 58, 54, .9));
}
.timeline-item { position: relative; padding-bottom: 1.4rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -1.5rem; top: .5rem;
  width: 10px; height: 10px; transform: rotate(45deg);
  background: var(--bg-deep); border: 2px solid var(--mute);
  transition: background .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}
.timeline-item.is-current::before {
  background: var(--neon); border-color: var(--neon); box-shadow: 0 0 0 4px rgba(198, 242, 78, .16);
}
.timeline-time { display: block; font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--neon); }
.timeline-text { display: block; font-size: 14.5px; color: var(--ink-soft); }

.link-more {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .05em;
  color: var(--neon); border-bottom: 1px solid rgba(198, 242, 78, .35); padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.link-more::after { content: "→"; transition: transform .2s var(--ease); }
.link-more:hover { color: var(--neon-soft); border-color: var(--neon-soft); }
.link-more:hover::after { transform: translateX(3px); }

.breadcrumbs { font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--mute); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .4rem; }
.breadcrumbs li { display: flex; align-items: center; gap: .4rem; }
.breadcrumbs li:not(:last-child)::after { content: "/"; color: rgba(110, 133, 121, .65); }
.breadcrumbs a { color: var(--ink-soft); transition: color .2s var(--ease); }
.breadcrumbs a:hover { color: var(--neon); }
.breadcrumbs [aria-current="page"] { color: var(--ink); }

/* ---------- 6. 图片容器（页面阶段放入占位图） ---------- */
.photo-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--bg-deep);
  background-image:
    repeating-linear-gradient(115deg, rgba(30, 111, 92, .32) 0 18px, rgba(10, 12, 11, .32) 18px 36px),
    linear-gradient(140deg, rgba(30, 111, 92, .5), rgba(10, 12, 11, .92) 72%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.photo-frame::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 38%;
  background: linear-gradient(180deg, rgba(10, 12, 11, 0), rgba(10, 12, 11, .74));
  pointer-events: none;
}
.photo-frame--wide { aspect-ratio: 21 / 9; }
.photo-frame--tall { aspect-ratio: 3 / 4; }
.photo-frame--square { aspect-ratio: 1 / 1; }
.photo-cap {
  position: absolute; z-index: 1; left: 1rem; right: 1rem; bottom: .8rem;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--ink-soft);
}

/* ---------- 7. 滚动与进入动效协议 ---------- */
.chapter { position: relative; }
.chapter::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, rgba(198, 242, 78, 0), rgba(198, 242, 78, 0));
  transition: background .3s var(--ease);
}
.chapter.is-current::before { background: linear-gradient(180deg, var(--neon), rgba(198, 242, 78, 0)); }
.chapter.is-current .eyebrow { color: var(--neon-soft); }

.has-js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .34s var(--ease), transform .34s var(--ease);
}
.has-js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 8. 顶部进度条 ---------- */
.read-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200;
  background: rgba(42, 58, 54, .45);
  pointer-events: none;
}
.read-progress-bar {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--teal), var(--neon));
  box-shadow: 0 0 12px rgba(198, 242, 78, .5);
  transition: width .12s linear, opacity .3s var(--ease);
}

/* ---------- 9. Skip link ---------- */
.skip-link {
  position: absolute; left: var(--gutter); top: .5rem; z-index: 300;
  transform: translateY(-180%);
  padding: .6rem 1rem;
  background: var(--neon); color: #0A0C0B;
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 10. 品牌标识 ---------- */
.brand { display: inline-flex; align-items: center; gap: .62rem; }
.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  background: linear-gradient(140deg, var(--neon), var(--neon-soft));
  color: #0A0C0B;
  font-size: 16px; font-weight: 700;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-size: 15.5px; font-weight: 700; letter-spacing: .06em; color: var(--ink); }
.brand-note { font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em; color: var(--mute); }
.brand--footer .brand-name { font-size: 17px; }

/* ---------- 11. 头部 ---------- */
.site-header {
  position: relative;
  background:
    linear-gradient(180deg, rgba(12, 26, 22, .98), rgba(10, 12, 11, .95));
  border-bottom: 1px solid var(--line);
}

.header-rail { position: relative; border-bottom: 1px solid var(--line); overflow: hidden; }
.header-rail::before {
  content: ""; position: absolute; top: 0; right: 0; bottom: 2px;
  width: min(40%, 440px);
  background: linear-gradient(120deg, rgba(30, 111, 92, .45), rgba(30, 111, 92, 0) 74%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.header-rail-inner {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  gap: clamp(.8rem, 2.4vw, 2rem);
  padding-block: .78rem;
}
.rail-tagline {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em;
  color: rgba(238, 243, 239, .62); white-space: nowrap;
}
.rail-actions { display: flex; align-items: center; gap: .5rem; }

.pulse-track {
  position: relative; height: 2px;
  background: linear-gradient(90deg, rgba(198, 242, 78, .16), rgba(42, 58, 54, .55) 55%, rgba(42, 58, 54, .18));
  overflow: hidden;
}
.pulse-pin {
  position: absolute; top: -1px; left: -25%;
  width: 25%; height: 4px; border-radius: 2px;
  background: linear-gradient(90deg, rgba(198, 242, 78, 0), var(--neon));
  animation: pulse-run 1.8s var(--ease) infinite;
}
@keyframes pulse-run {
  0% { left: -25%; opacity: .2; }
  45% { opacity: 1; }
  100% { left: 100%; opacity: .15; }
}

/* ---------- 12. 主导航 ---------- */
.main-nav {
  position: relative; z-index: 60;
  background: rgba(10, 12, 11, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 1rem; min-height: 54px; }
.nav-index {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em;
  color: var(--mute); white-space: nowrap;
}
.nav-list { display: flex; align-items: center; gap: .12rem; margin-left: auto; }
.nav-list a {
  position: relative; display: block;
  padding: .55rem .8rem;
  font-size: 14px; color: var(--ink-soft);
  transition: color .2s var(--ease);
}
.nav-list a::after {
  content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .34rem; height: 2px;
  background: var(--neon); transform: scaleX(0); transform-origin: left;
  transition: transform .24s var(--ease);
}
.nav-list a:hover { color: var(--neon-soft); }
.nav-list a:hover::after { transform: scaleX(1); }
.nav-list a[aria-current="page"] { color: var(--neon); }
.nav-list a[aria-current="page"]::after { transform: scaleX(1); }

.nav-toggle {
  display: none; align-items: center; gap: .55rem;
  margin-left: auto;
  padding: .48rem .78rem;
  border: 1px solid var(--line);
  background: rgba(238, 243, 239, .04);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--ink);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}
.nav-toggle-bars { display: inline-flex; flex-direction: column; gap: 3px; width: 16px; }
.nav-toggle-bars i { display: block; height: 2px; background: currentColor; transition: transform .2s var(--ease), opacity .2s var(--ease); }
.nav-toggle-state { color: var(--neon); }
.main-nav[data-open] .nav-toggle-state { color: var(--neon-soft); }
.main-nav[data-open] .nav-toggle-bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.main-nav[data-open] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.main-nav[data-open] .nav-toggle-bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1080px) {
  .rail-tagline { display: none; }
}
@media (max-width: 900px) {
  .nav-index { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-list {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0; margin-left: 0;
    padding: .4rem var(--gutter) .9rem;
    max-height: calc(100vh - 110px); overflow: auto;
    background: rgba(10, 12, 11, .99);
    border-bottom: 1px solid var(--line);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s var(--ease);
  }
  .main-nav[data-open] .nav-list { opacity: 1; visibility: visible; transform: none; }
  .nav-list a {
    padding: .82rem .2rem; font-size: 15px;
    border-bottom: 1px solid rgba(42, 58, 54, .7);
  }
  .nav-list li:last-child a { border-bottom: 0; }
  .nav-list a::after { display: none; }
  .nav-list a[aria-current="page"] { padding-left: .9rem; }
  .nav-list a[aria-current="page"]::before {
    content: ""; position: absolute; left: 0; top: 50%; width: 6px; height: 6px;
    background: var(--neon); transform: translateY(-50%) rotate(45deg);
  }
}
@media (max-width: 620px) {
  .header-rail-inner { gap: .6rem; }
  .brand-note { display: none; }
  .btn-ghost { display: none; }
  .btn { padding: .5rem .8rem; font-size: 12.5px; }
}

/* ---------- 13. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .58rem 1.05rem;
  font-size: 13px; letter-spacing: .04em; white-space: nowrap;
  border: 1px solid var(--line);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn-solid { background: var(--neon); border-color: var(--neon); color: #0A0C0B; font-weight: 600; }
.btn-solid:hover { background: var(--neon-soft); border-color: var(--neon-soft); }
.btn-ghost { background: rgba(198, 242, 78, .07); border-color: rgba(198, 242, 78, .38); color: var(--neon); }
.btn-ghost:hover { background: rgba(198, 242, 78, .15); color: var(--neon-soft); }
.btn-quiet { background: rgba(238, 243, 239, .03); color: var(--ink); }
.btn-quiet:hover { border-color: var(--mute); color: var(--neon-soft); }

/* ---------- 14. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 8vw, 6rem);
  background-color: var(--bg-deep);
  background-image: linear-gradient(180deg, rgba(12, 26, 22, .85), rgba(10, 12, 11, 1) 42%);
  border-top: 1px solid var(--line);
}
.footer-slant {
  display: block;
  height: clamp(26px, 4.4vw, 48px);
  background: linear-gradient(100deg, rgba(30, 111, 92, .55), rgba(30, 111, 92, 0) 66%);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  pointer-events: none;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3.4rem);
  padding-block: clamp(1.6rem, 4vw, 3rem) clamp(1.4rem, 3.4vw, 2.4rem);
}
.footer-summary { margin-top: 1rem; max-width: 34ch; font-size: 14px; line-height: 1.8; color: var(--ink-soft); }
.footer-live {
  display: flex; align-items: center; gap: .5rem; margin-top: 1rem;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--ink-faint);
}
.pulse-pin--inline {
  position: static; width: 8px; height: 8px; border-radius: 50%;
  background: var(--neon); animation: pin-breath 1.8s ease-in-out infinite;
}
@keyframes pin-breath {
  0%, 100% { opacity: .35; transform: scale(.85); }
  50% { opacity: 1; transform: scale(1); }
}
.footer-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.4rem; }
.footer-col-title {
  margin-bottom: .9rem;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 600;
  letter-spacing: .14em; color: var(--neon);
}
.footer-col li + li { margin-top: .5rem; }
.footer-col a {
  font-size: 14px; color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.footer-col a:hover { color: var(--neon-soft); border-color: rgba(198, 242, 78, .5); }
.footer-contact { min-width: 0; }
.contact-list { display: grid; gap: .7rem; }
.contact-row { display: grid; gap: .12rem; }
.contact-key { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--mute); }
.contact-val { font-size: 13.5px; line-height: 1.6; color: var(--ink-soft); overflow-wrap: anywhere; }
.footer-base {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.4rem;
  padding-block: 1.05rem 1.7rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .05em; color: var(--mute);
}
.footer-copy { flex: 1 1 auto; }
.footer-link { color: var(--neon); border-bottom: 1px solid rgba(198, 242, 78, .32); padding-bottom: 1px; }
.footer-link:hover { color: var(--neon-soft); border-color: var(--neon-soft); }

@media (max-width: 980px) {
  .footer-top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-contact { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-contact { grid-column: auto; }
}

/* ---------- 15. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .pulse-pin { animation: none; left: 30%; opacity: .8; }
  .pulse-pin--inline { animation: none; opacity: .9; transform: none; }
  .has-js .reveal { opacity: 1 !important; transform: none !important; }
  .read-progress-bar { transition: none; }
  .nav-list { transition: none; }
}