/* ============================================================
   乐竞赛事 · 全站共享样式  /assets/site.css
   夜场灯光底色 · 等宽数字 · 印刷标签层 · 战术板索引
   ============================================================ */

:root {
  --lj-ink: #071310;
  --lj-panel: #0E211B;
  --lj-print: #121614;
  --lj-accent: #00E5A0;
  --lj-warm: #FF7A3D;
  --lj-text: #E9F3EE;
  --lj-muted: #9AB0A6;
  --lj-soft: #B9F5DC;
  --lj-line: #2A3A33;
  --lj-paper: #F2F6F4;
  --lj-paper-ink: #121614;

  --lj-font-display: "Archivo Narrow", "Oswald", "Arial Narrow", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --lj-font-num: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", "Courier New", monospace;
  --lj-font-body: "Inter", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;

  --lj-gutter: clamp(20px, 5vw, 64px);
  --lj-rail-offset: 0px;
  --lj-header-h: 88px;
  --lj-ease: cubic-bezier(.22, .72, .28, 1);
}

@media (min-width: 1180px) {
  :root {
    --lj-rail-offset: 68px;
  }
}

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

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

body {
  margin: 0;
  background: var(--lj-ink);
  color: var(--lj-text);
  font-family: var(--lj-font-body);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
img, svg, video { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid var(--lj-accent);
  outline-offset: 3px;
}

::selection {
  background: var(--lj-accent);
  color: var(--lj-ink);
}

.lj-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

main [id] { scroll-margin-top: calc(var(--lj-header-h) + 24px); }

body.lj-body-lock { overflow: hidden; }

/* ---------- 容器与节奏 ---------- */
.lj-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-left: calc(var(--lj-gutter) + var(--lj-rail-offset));
  padding-right: var(--lj-gutter);
}

.lj-container--tight { max-width: 780px; }

.lj-main { display: block; }

.lj-section { padding-block: clamp(56px, 9vw, 132px); }
.lj-section--dense { padding-block: clamp(32px, 5vw, 64px); }
.lj-section--flush { padding-block: 0; }

.lj-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 24px;
  margin-bottom: clamp(20px, 3vw, 40px);
}

/* ---------- 文字体系 ---------- */
.lj-display {
  font-family: var(--lj-font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(34px, 5.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -.02em;
}

.lj-h2 {
  font-family: var(--lj-font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -.015em;
}

.lj-h3 {
  font-family: var(--lj-font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.28;
  letter-spacing: -.01em;
}

.lj-lead {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.8;
  max-width: 62ch;
  color: var(--lj-text);
}

.lj-meta {
  font-family: var(--lj-font-num);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: .06em;
  color: var(--lj-muted);
}

.lj-num {
  font-family: var(--lj-font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}
.lj-num--accent { color: var(--lj-accent); }
.lj-num--warm { color: var(--lj-warm); }

.lj-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--lj-font-num);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lj-muted);
}
.lj-eyebrow::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--lj-accent);
  flex: 0 0 auto;
}

/* ---------- 线条 / 标签 / 面板 ---------- */
.lj-rule {
  height: 1px;
  border: 0;
  background: var(--lj-line);
}
.lj-rule--dashed {
  background: repeating-linear-gradient(90deg, var(--lj-line) 0 7px, transparent 7px 14px);
}

.lj-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--lj-line);
  background: var(--lj-print);
  color: var(--lj-muted);
  font-family: var(--lj-font-num);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .08em;
  white-space: nowrap;
}
.lj-tag--accent {
  border-color: rgba(0, 229, 160, .42);
  background: rgba(0, 229, 160, .08);
  color: var(--lj-accent);
}
.lj-tag--warm {
  border-color: rgba(255, 122, 61, .45);
  background: rgba(255, 122, 61, .09);
  color: var(--lj-warm);
}

.lj-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--lj-warm);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.lj-panel {
  position: relative;
  background: var(--lj-panel);
  border: 1px solid var(--lj-line);
  padding: clamp(20px, 3vw, 36px);
}

.lj-paper {
  position: relative;
  background: var(--lj-panel);
  border: 1px solid var(--lj-line);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: 10px 10px 0 0 var(--lj-print), 10px 10px 0 1px var(--lj-line);
}

/* ---------- 浅色长文区 ---------- */
.lj-theme-paper {
  background: var(--lj-paper);
  color: var(--lj-paper-ink);
}
.lj-theme-paper .lj-eyebrow { color: #4C6259; }
.lj-theme-paper .lj-eyebrow::before { background: #0F7A57; }
.lj-theme-paper .lj-lead,
.lj-theme-paper p { color: #35443D; }
.lj-theme-paper .lj-rule { background: #C9D6CF; }
.lj-theme-paper .lj-rule--dashed {
  background: repeating-linear-gradient(90deg, #C9D6CF 0 7px, transparent 7px 14px);
}
.lj-theme-paper .lj-tag {
  background: #E2EBE6;
  border-color: #C9D6CF;
  color: #35443D;
}
.lj-theme-paper .lj-meta { color: #5C7168; }
.lj-theme-paper a { color: #0A5C43; text-decoration: underline; text-underline-offset: 3px; }
.lj-theme-paper .lj-panel { background: #E7EEEA; border-color: #C9D6CF; }

/* ---------- 网格与错位 ---------- */
.lj-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 32px);
}
.lj-span-3 { grid-column: span 3; }
.lj-span-4 { grid-column: span 4; }
.lj-span-5 { grid-column: span 5; }
.lj-span-6 { grid-column: span 6; }
.lj-span-7 { grid-column: span 7; }
.lj-span-8 { grid-column: span 8; }
.lj-span-9 { grid-column: span 9; }
.lj-span-12 { grid-column: span 12; }

.lj-offset-down { margin-block-start: clamp(8px, 1.5vw, 24px); }
.lj-offset-right { margin-inline-start: clamp(8px, 1.5vw, 24px); }

/* ---------- 图片容器基础（页面阶段放入图片占位） ---------- */
.lj-media {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--lj-line);
  background: var(--lj-panel);
  aspect-ratio: 16 / 9;
}
.lj-media--4x3 { aspect-ratio: 4 / 3; }
.lj-media--1x1 { aspect-ratio: 1 / 1; }
.lj-media--tall { aspect-ratio: 3 / 4; }

.lj-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 58, 51, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 58, 51, .55) 1px, transparent 1px);
  background-size: 56px 56px;
}

.lj-media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.7) contrast(1.08) brightness(.86);
}

.lj-media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 6px 10px;
  background: rgba(7, 19, 16, .88);
  border-top: 1px solid var(--lj-line);
  border-right: 1px solid var(--lj-line);
  font-family: var(--lj-font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lj-accent);
}

.lj-media__caption {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--lj-muted);
}

/* ---------- 横向轨道 ---------- */
.lj-scroller {
  display: flex;
  gap: clamp(16px, 2vw, 28px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 16px;
  scrollbar-color: var(--lj-line) transparent;
}
.lj-scroller > * { flex: 0 0 auto; scroll-snap-align: start; }
.lj-scroller::-webkit-scrollbar { height: 6px; }
.lj-scroller::-webkit-scrollbar-track { background: transparent; }
.lj-scroller::-webkit-scrollbar-thumb { background: var(--lj-line); }

/* ---------- 按钮 ---------- */
.lj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--lj-line);
  background: transparent;
  color: var(--lj-text);
  font-family: var(--lj-font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .25s var(--lj-ease), color .25s var(--lj-ease),
              border-color .25s var(--lj-ease), transform .25s var(--lj-ease);
}
.lj-btn:hover { border-color: var(--lj-accent); color: var(--lj-accent); }
.lj-btn:active { transform: translateY(1px); }

.lj-btn--primary {
  background: var(--lj-accent);
  border-color: var(--lj-accent);
  color: var(--lj-ink);
}
.lj-btn--primary:hover {
  background: var(--lj-soft);
  border-color: var(--lj-soft);
  color: var(--lj-ink);
}

.lj-btn--ghost { background: transparent; color: var(--lj-text); }
.lj-btn--ghost:hover { background: rgba(0, 229, 160, .08); }

.lj-btn--sm { padding: 10px 15px; font-size: 14px; }

/* ---------- 面包屑 ---------- */
.lj-breadcrumb {
  padding-block: 14px;
  font-family: var(--lj-font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lj-muted);
}
.lj-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.lj-breadcrumb__item { display: flex; align-items: center; gap: 8px; }
.lj-breadcrumb__item + .lj-breadcrumb__item::before {
  content: "/";
  color: var(--lj-line);
}
.lj-breadcrumb__link { color: var(--lj-muted); }
.lj-breadcrumb__link:hover { color: var(--lj-accent); }

/* ---------- 跳转链接 ---------- */
.lj-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 11px 18px;
  background: var(--lj-accent);
  color: var(--lj-ink);
  font-weight: 700;
  font-size: 14px;
  transform: translateY(-180%);
  transition: transform .22s var(--lj-ease);
}
.lj-skip:focus,
.lj-skip:focus-visible { transform: translateY(0); }

/* ============================================================
   头部：透明叠加 → 实色阅读态
   ============================================================ */
.lj-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: transparent;
  border-bottom: 1px solid transparent;
  color: var(--lj-text);
  transition: background .35s var(--lj-ease), border-color .35s var(--lj-ease),
              box-shadow .35s var(--lj-ease);
}

.lj-header.is-solid,
.lj-header.is-nav-open {
  background: rgba(7, 19, 16, .94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--lj-line);
  box-shadow: 0 20px 44px -34px rgba(0, 0, 0, .95);
}

.lj-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 36px);
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  min-height: var(--lj-header-h);
  padding: clamp(12px, 1.6vw, 20px) var(--lj-gutter);
  padding-left: calc(var(--lj-gutter) + var(--lj-rail-offset));
  transition: min-height .35s var(--lj-ease), padding .35s var(--lj-ease);
}

.lj-header.is-solid .lj-header__inner { min-height: 64px; padding-block: 8px; }

/* 品牌 */
.lj-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.lj-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--lj-line);
  border-top-color: var(--lj-accent);
  border-left-color: var(--lj-accent);
  background: var(--lj-panel);
  color: var(--lj-accent);
  font-family: var(--lj-font-num);
  font-size: 13px;
  letter-spacing: .06em;
}

.lj-brand__text { display: flex; flex-direction: column; line-height: 1.15; }

.lj-brand__name {
  font-family: var(--lj-font-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: .02em;
  color: var(--lj-text);
}

.lj-brand__sub {
  font-family: var(--lj-font-num);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lj-muted);
}

/* 主导航 */
.lj-nav { margin-left: auto; }

.lj-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.lj-nav__link {
  position: relative;
  display: block;
  padding: 9px 12px;
  font-size: 15px;
  letter-spacing: .03em;
  color: var(--lj-muted);
  white-space: nowrap;
  transition: color .25s var(--lj-ease);
}

.lj-nav__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 2px;
  background: var(--lj-accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .3s var(--lj-ease);
}

.lj-nav__link:hover { color: var(--lj-text); }
.lj-nav__link:hover::after { transform: scaleX(.38); }

.lj-nav__link[aria-current="page"] {
  color: var(--lj-text);
  font-weight: 700;
}
.lj-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.lj-nav__foot { display: none; }

/* 头部右侧 */
.lj-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

/* 汉堡 */
.lj-burger {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--lj-line);
  background: rgba(18, 22, 20, .7);
  color: var(--lj-text);
  cursor: pointer;
  transition: color .25s var(--lj-ease), border-color .25s var(--lj-ease);
}

.lj-burger__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}
.lj-burger__bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform .25s var(--lj-ease), opacity .2s var(--lj-ease);
}
.lj-burger__label {
  font-family: var(--lj-font-num);
  font-size: 12px;
  letter-spacing: .12em;
}

.lj-burger[aria-expanded="true"] {
  color: var(--lj-accent);
  border-color: var(--lj-accent);
}
.lj-burger[aria-expanded="true"] .lj-burger__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.lj-burger[aria-expanded="true"] .lj-burger__bars i:nth-child(2) { opacity: 0; }
.lj-burger[aria-expanded="true"] .lj-burger__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 滚动进度 */
.lj-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lj-accent), var(--lj-warm));
  transform: scaleX(0);
  transform-origin: 0 50%;
  opacity: .9;
  pointer-events: none;
}

/* ============================================================
   左侧战术板索引（桌面端）
   ============================================================ */
.lj-rail { display: none; }

@media (min-width: 1180px) {
  .lj-rail {
    display: block;
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    padding: 10px 0 10px 12px;
  }

  .lj-rail__line {
    position: absolute;
    left: 6px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: repeating-linear-gradient(180deg, var(--lj-line) 0 6px, transparent 6px 12px);
  }

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

  .lj-rail__link {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 4px;
    color: var(--lj-muted);
    transition: color .25s var(--lj-ease);
  }

  .lj-rail__link::before {
    content: "";
    width: 12px;
    height: 1px;
    background: currentColor;
    opacity: .4;
    transition: width .25s var(--lj-ease), opacity .25s var(--lj-ease), background .25s var(--lj-ease);
  }

  .lj-rail__num {
    font-family: var(--lj-font-num);
    font-size: 11px;
    letter-spacing: .04em;
    opacity: .7;
  }

  .lj-rail__label {
    writing-mode: vertical-rl;
    font-size: 12px;
    line-height: 1;
    letter-spacing: .3em;
  }

  .lj-rail__link:hover { color: var(--lj-text); }

  .lj-rail__link.is-current,
  .lj-rail__link[aria-current="page"] { color: var(--lj-accent); }

  .lj-rail__link.is-current::before,
  .lj-rail__link[aria-current="page"]::before {
    width: 22px;
    opacity: 1;
    background: var(--lj-accent);
  }
  .lj-rail__link.is-current .lj-rail__num,
  .lj-rail__link[aria-current="page"] .lj-rail__num { opacity: 1; }
}

/* ============================================================
   移动端导航
   ============================================================ */
@media (max-width: 1023px) {
  .lj-burger { display: inline-flex; }

  .lj-nav {
    position: fixed;
    inset: 0;
    z-index: 55;
    margin: 0;
    padding: calc(var(--lj-header-h) + 20px) var(--lj-gutter) 40px;
    background: rgba(7, 19, 16, .98);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--lj-line);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity .26s var(--lj-ease), transform .26s var(--lj-ease), visibility .26s linear;
  }

  .lj-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .lj-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--lj-line);
  }

  .lj-nav__item { border-bottom: 1px solid var(--lj-line); }

  .lj-nav__link {
    padding: 16px 4px 16px 18px;
    font-size: 17px;
    letter-spacing: .04em;
    color: var(--lj-text);
  }

  .lj-nav__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    background: var(--lj-line);
  }

  .lj-nav__link::after { display: none; }

  .lj-nav__link[aria-current="page"] { color: var(--lj-accent); }
  .lj-nav__link[aria-current="page"]::before { background: var(--lj-accent); }

  .lj-nav__foot {
    display: block;
    margin-top: 22px;
    font-family: var(--lj-font-num);
    font-size: 12px;
    letter-spacing: .08em;
    color: var(--lj-muted);
  }
  .lj-nav__foot-link {
    color: var(--lj-accent);
    border-bottom: 1px solid rgba(0, 229, 160, .5);
  }
}

@media (max-width: 560px) {
  .lj-header__actions .lj-btn { display: none; }
  .lj-brand__sub { display: none; }
}

/* ============================================================
   页脚
   ============================================================ */
.lj-footer {
  position: relative;
  background: var(--lj-print);
  border-top: 1px solid var(--lj-line);
  color: var(--lj-text);
}

.lj-footer__rule {
  height: 3px;
  background: linear-gradient(90deg,
    var(--lj-accent) 0 22%,
    var(--lj-line) 22% 78%,
    var(--lj-warm) 78% 100%);
}

.lj-footer__top {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2fr;
  gap: clamp(24px, 4vw, 72px);
  padding-block: clamp(40px, 6vw, 72px) clamp(28px, 4vw, 44px);
}

.lj-footer__wordmark {
  font-family: var(--lj-font-display);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.1;
  letter-spacing: .02em;
}

.lj-footer__sub {
  margin-top: 6px;
  font-family: var(--lj-font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lj-muted);
}

.lj-footer__stamp {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--lj-muted);
}

.lj-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.lj-footer__title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--lj-line);
  font-family: var(--lj-font-num);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lj-muted);
}

.lj-footer__list { display: flex; flex-direction: column; gap: 9px; }

.lj-footer__link {
  display: inline-block;
  font-size: 15px;
  color: var(--lj-text);
  border-bottom: 1px solid transparent;
  transition: color .22s var(--lj-ease), border-color .22s var(--lj-ease);
}
.lj-footer__link:hover {
  color: var(--lj-accent);
  border-bottom-color: rgba(0, 229, 160, .6);
}

.lj-footer__contact {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
  padding-block: clamp(24px, 3.4vw, 40px);
  border-top: 1px dashed var(--lj-line);
}
.lj-footer__contact .lj-footer__title {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

.lj-contact-list { display: flex; flex-direction: column; gap: 12px; }

.lj-contact-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.lj-contact-list__key {
  flex: 0 0 44px;
  font-family: var(--lj-font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lj-muted);
}

.lj-contact-list__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--lj-text);
  word-break: break-word;
}

.lj-copy {
  padding: 5px 10px;
  border: 1px solid var(--lj-line);
  background: transparent;
  color: var(--lj-muted);
  font-family: var(--lj-font-num);
  font-size: 11px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color .22s var(--lj-ease), border-color .22s var(--lj-ease), background .22s var(--lj-ease);
}
.lj-copy:hover {
  color: var(--lj-accent);
  border-color: var(--lj-accent);
  background: rgba(0, 229, 160, .08);
}
.lj-copy.is-done {
  color: var(--lj-ink);
  background: var(--lj-accent);
  border-color: var(--lj-accent);
}
.lj-copy.is-fail {
  color: var(--lj-warm);
  border-color: var(--lj-warm);
}

.lj-footer__note {
  margin-top: 16px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--lj-muted);
}

.lj-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  padding-block: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--lj-line);
  font-family: var(--lj-font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lj-muted);
}
.lj-footer__legal { color: var(--lj-text); }
.lj-footer__sign { color: var(--lj-muted); }
.lj-footer__copy { margin-left: auto; }

@media (max-width: 900px) {
  .lj-footer__top { grid-template-columns: 1fr; }
  .lj-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; }
  .lj-footer__contact { grid-template-columns: 1fr; }
  .lj-footer__copy { margin-left: 0; }
}

@media (max-width: 560px) {
  .lj-footer__cols { grid-template-columns: 1fr; }
}

/* ============================================================
   显现与降级
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  transition: opacity .6s var(--lj-ease), transform .6s var(--lj-ease);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .lj-skip,
  .lj-nav,
  .lj-header,
  .lj-header__inner,
  .lj-progress,
  .lj-btn,
  .lj-nav__link::after,
  .lj-rail__link::before,
  .lj-burger__bars i {
    transition-duration: .001ms !important;
  }
  .lj-progress { transition: none !important; }
}