/* ============================================================
   乐竞主站 · 共享样式 /assets/site.css
   深岩黑基底 + 陶土竞速红 + 数据蓝 + 荧光青
   直角、1px 网格、无阴影卡片
   ============================================================ */

:root {
  --lj-rock: #0E1214;
  --lj-panel: #1A2024;
  --lj-line: #2E3A3C;
  --lj-moss: #6F8F6A;
  --lj-clay: #C4553B;
  --lj-clay-hi: #D9664A;
  --lj-blue: #2F6FA8;
  --lj-cyan: #38E0C8;
  --lj-paper: #F2EDE4;
  --lj-paper-2: #E3DACB;
  --lj-ink: #14181A;
  --lj-muted: #5A6462;
  --lj-paper-line: #CFC5B4;

  --lj-font-display: "Barlow Condensed", "Source Han Sans SC Heavy", "Noto Sans SC", system-ui, sans-serif;
  --lj-font-serif: "Noto Serif SC", "Source Serif 4", Georgia, "Songti SC", serif;
  --lj-font-body: Inter, "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --lj-font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --lj-header-h: 74px;
  --lj-max: 1200px;
  --lj-gutter: clamp(16px, 4vw, 48px);
  --lj-step: 8px;
  --lj-focus: #38E0C8;
}

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

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

body {
  margin: 0;
  padding-top: var(--lj-header-h);
  background: var(--lj-rock);
  color: var(--lj-paper);
  font-family: var(--lj-font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.lj-nav-open { overflow: hidden; }

img,
picture,
svg,
video { display: block; max-width: 100%; }

button { font: inherit; color: inherit; }

a { color: inherit; }

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }

:where(a, button, input, select, textarea):focus-visible {
  outline: 2px solid var(--lj-focus);
  outline-offset: 3px;
}

/* ---------- 容器 ---------- */
.lj-container {
  width: 100%;
  max-width: var(--lj-max);
  margin: 0 auto;
  padding: 0 var(--lj-gutter);
}

.lj-section { padding: clamp(48px, 8vw, 96px) 0; }
.lj-section--tight { padding: clamp(28px, 4.5vw, 56px) 0; }

.lj-bleed-top { margin-top: calc(var(--lj-header-h) * -1); }

.lj-rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--lj-line);
}

/* ---------- 明暗区切换 ---------- */
.lj-paper {
  background: var(--lj-paper);
  color: var(--lj-ink);
  --lj-focus: #2F6FA8;
}

.lj-ink {
  background: var(--lj-rock);
  color: var(--lj-paper);
}

/* ---------- 排版件 ---------- */
.lj-display {
  font-family: var(--lj-font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin: 0;
}

.lj-heading {
  font-family: var(--lj-font-serif);
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.38;
  letter-spacing: 0.01em;
  margin: 0;
}

.lj-lead {
  font-size: clamp(15.5px, 1.15vw, 17.5px);
  line-height: 1.8;
  color: rgba(242, 237, 228, 0.72);
}

.lj-paper .lj-lead { color: var(--lj-muted); }

.lj-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--lj-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lj-clay);
}

.lj-eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.lj-paper .lj-eyebrow { color: var(--lj-clay); }

.lj-mono {
  font-family: var(--lj-font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.lj-num {
  font-family: var(--lj-font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--lj-cyan);
  letter-spacing: 0;
}

.lj-paper .lj-num { color: #1F4E78; }

.lj-note {
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(242, 237, 228, 0.45);
}

.lj-paper .lj-note { color: var(--lj-muted); }

/* ---------- 按钮 ---------- */
.lj-btn {
  --btn-bg: transparent;
  --btn-fg: var(--lj-paper);
  --btn-bd: var(--lj-line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--btn-bd);
  border-radius: 0;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--lj-font-body);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.lj-btn--primary {
  --btn-bg: var(--lj-clay);
  --btn-bd: var(--lj-clay);
  --btn-fg: #FFFFFF;
}

.lj-btn--primary:hover {
  --btn-bg: var(--lj-clay-hi);
  --btn-bd: var(--lj-clay-hi);
}

.lj-btn--ghost:hover {
  --btn-bd: var(--lj-cyan);
  --btn-fg: var(--lj-cyan);
}

/* ---------- 标签 / 状态 ---------- */
.lj-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid rgba(47, 111, 168, 0.5);
  background: rgba(47, 111, 168, 0.16);
  color: #9AC6EA;
  font-family: var(--lj-font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.lj-paper .lj-tag {
  border-color: rgba(47, 111, 168, 0.4);
  background: rgba(47, 111, 168, 0.1);
  color: #1F4E78;
}

.lj-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--lj-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lj-moss);
}

.lj-status::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--lj-moss);
}

.lj-status--live::before {
  background: var(--lj-cyan);
  animation: lj-pulse 2s ease-in-out infinite;
}

@keyframes lj-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.82); }
}

/* ---------- 面板 ---------- */
.lj-panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--lj-line);
  background: var(--lj-panel);
}

.lj-paper .lj-panel {
  border-color: var(--lj-paper-line);
  background: var(--lj-paper-2);
}

/* ---------- 网格 ---------- */
.lj-grid {
  display: grid;
  gap: clamp(16px, 2.5vw, 32px);
}

.lj-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lj-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lj-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- 图片容器 ---------- */
.lj-figure { margin: 0; }

.lj-media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--lj-line);
  background: var(--lj-panel);
}

.lj-paper .lj-media {
  border-color: var(--lj-paper-line);
  background: var(--lj-paper-2);
}

.lj-media > img,
.lj-media > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lj-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(242, 237, 228, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 237, 228, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}

.lj-media--wide { aspect-ratio: 21 / 9; }
.lj-media--tall { aspect-ratio: 3 / 4; }
.lj-media--square { aspect-ratio: 1 / 1; }

.lj-media__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

.lj-figure__cap {
  margin-top: 10px;
  font-family: var(--lj-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(242, 237, 228, 0.55);
}

.lj-paper .lj-figure__cap { color: var(--lj-muted); }

/* ---------- 面包屑 ---------- */
.lj-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--lj-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(242, 237, 228, 0.55);
}

.lj-paper .lj-crumb { color: var(--lj-muted); }

.lj-crumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lj-crumb li + li::before {
  content: "/";
  color: var(--lj-line);
}

.lj-paper .lj-crumb li + li::before { color: #B9AE9C; }

.lj-crumb a {
  text-decoration: none;
  transition: color 0.2s ease;
}

.lj-crumb a:hover { color: var(--lj-cyan); }
.lj-paper .lj-crumb a:hover { color: var(--lj-blue); }

.lj-crumb [aria-current="page"] { color: var(--lj-cyan); }
.lj-paper .lj-crumb [aria-current="page"] { color: var(--lj-blue); }

/* ---------- 长文 ---------- */
.lj-prose {
  max-width: 68ch;
  font-size: clamp(15.5px, 1.1vw, 17px);
  line-height: 1.85;
  color: rgba(242, 237, 228, 0.82);
}

.lj-paper .lj-prose { color: #2B3234; }

.lj-prose > * + * { margin-top: 1.2em; }

.lj-prose h2,
.lj-prose h3 {
  font-family: var(--lj-font-serif);
  font-weight: 600;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.45;
  letter-spacing: 0.01em;
  margin-top: 2em;
}

.lj-prose ul,
.lj-prose ol {
  padding-left: 1.35em;
  list-style: revert;
}

.lj-prose li + li { margin-top: 0.5em; }

.lj-prose a {
  color: var(--lj-cyan);
  text-underline-offset: 3px;
}

.lj-paper .lj-prose a { color: var(--lj-blue); }

/* ---------- 页面题头 ---------- */
.lj-page-head {
  padding: clamp(36px, 5.5vw, 76px) 0 clamp(22px, 3.5vw, 42px);
  border-bottom: 1px solid var(--lj-line);
}

.lj-paper .lj-page-head { border-bottom-color: var(--lj-paper-line); }

/* ---------- 品牌 ---------- */
.lj-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: inherit;
  flex: none;
}

.lj-brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: none;
  border: 1px solid rgba(196, 85, 59, 0.62);
  font-family: var(--lj-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lj-cyan);
}

.lj-brand__mark::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 14px;
  height: 2px;
  background: var(--lj-clay);
}

.lj-brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.15;
}

.lj-brand__name {
  font-family: var(--lj-font-body);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.lj-brand__tag {
  font-family: var(--lj-font-body);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: rgba(242, 237, 228, 0.5);
}

.lj-brand--footer .lj-brand__mark {
  width: 42px;
  height: 42px;
  font-size: 13px;
}

.lj-brand--footer .lj-brand__name { font-size: 19px; }

/* ---------- 页头 ---------- */
.lj-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--lj-rock);
  color: var(--lj-paper);
  border-bottom: 1px solid var(--lj-line);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.lj-header[data-state="overlay"] {
  background: rgba(14, 18, 20, 0.32);
  border-bottom-color: rgba(46, 58, 60, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.lj-header__bar { position: relative; }

.lj-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  width: 100%;
  max-width: var(--lj-max);
  margin: 0 auto;
  padding: 0 var(--lj-gutter);
  height: var(--lj-header-h);
}

.lj-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 320;
  padding: 10px 16px;
  background: var(--lj-cyan);
  color: #06211D;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.lj-skip:focus { transform: translateY(0); }

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

.lj-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.lj-nav__link {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: rgba(242, 237, 228, 0.7);
  text-decoration: none;
  transition: color 0.2s ease;
}

.lj-nav__link:hover { color: var(--lj-paper); }

.lj-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--lj-clay);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

.lj-nav__link:hover::after,
.lj-nav__link[aria-current="page"]::after { transform: scaleX(1); }

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

.lj-nav__cta { display: none; }

.lj-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: clamp(8px, 1.5vw, 20px);
}

.lj-nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(242, 237, 228, 0.2);
  border-radius: 0;
  background: rgba(242, 237, 228, 0.04);
  color: var(--lj-paper);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.lj-nav__toggle:hover { border-color: var(--lj-cyan); }

.lj-nav__bars,
.lj-nav__bars::before,
.lj-nav__bars::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--lj-paper);
  transition: transform 0.25s ease, background-color 0.2s ease;
}

.lj-nav__bars {
  position: relative;
  margin: 0 auto;
}

.lj-nav__bars::before,
.lj-nav__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.lj-nav__bars::before { top: -6px; }
.lj-nav__bars::after { top: 6px; }

.lj-header[data-open] .lj-nav__bars { background: transparent; }
.lj-header[data-open] .lj-nav__bars::before { transform: translateY(6px) rotate(45deg); }
.lj-header[data-open] .lj-nav__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* 阅读进度 */
.lj-header__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  overflow: hidden;
  background: rgba(46, 58, 60, 0.5);
}

.lj-header__progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--lj-clay) 0%, var(--lj-cyan) 100%);
  transition: transform 0.12s linear;
}

/* 悬浮胶囊入口 */
.lj-float-cta {
  position: fixed;
  right: clamp(14px, 2.4vw, 28px);
  bottom: clamp(14px, 2.4vw, 28px);
  z-index: 180;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 21px;
  border-radius: 999px;
  background: var(--lj-clay);
  color: #FFFFFF;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  transition: background-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease, visibility 0.2s;
}

.lj-float-cta::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--lj-cyan);
  animation: lj-pulse 2s ease-in-out infinite;
}

.lj-float-cta:hover {
  background: var(--lj-clay-hi);
  transform: translateY(-2px);
}

.lj-header[data-open] .lj-float-cta {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

/* ---------- 页脚 ---------- */
.lj-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(48px, 8vw, 110px);
  padding: clamp(40px, 6vw, 80px) 0 28px;
  background: var(--lj-rock);
  color: var(--lj-paper);
  border-top: 1px solid var(--lj-line);
}

.lj-footer::before {
  content: "";
  position: absolute;
  top: -240px;
  right: -180px;
  width: 520px;
  height: 520px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(196, 85, 59, 0.18) 0%, rgba(196, 85, 59, 0) 68%);
}

.lj-footer::after {
  content: "";
  position: absolute;
  bottom: -220px;
  left: -160px;
  width: 460px;
  height: 460px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(56, 224, 200, 0.1) 0%, rgba(56, 224, 200, 0) 70%);
}

.lj-footer > .lj-container {
  position: relative;
  z-index: 1;
}

.lj-footer__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: clamp(18px, 3vw, 32px);
  border-bottom: 1px solid var(--lj-line);
}

.lj-footer__kicker {
  font-family: var(--lj-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(242, 237, 228, 0.42);
}

.lj-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(24px, 3.5vw, 42px) 0;
  border-bottom: 1px solid var(--lj-line);
}

.lj-footer__title {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--lj-font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(242, 237, 228, 0.92);
}

.lj-footer__num {
  font-family: var(--lj-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--lj-clay);
}

.lj-footer__links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.lj-footer__links a {
  display: inline-block;
  font-size: 14px;
  color: rgba(242, 237, 228, 0.66);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.lj-footer__links a:hover {
  color: var(--lj-cyan);
  transform: translateX(3px);
}

.lj-footer__list { margin: 0; }

.lj-footer__row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
  padding: 9px 0;
  border-top: 1px solid rgba(46, 58, 60, 0.85);
}

.lj-footer__row:first-child { border-top: 0; padding-top: 0; }

.lj-footer__row dt {
  font-family: var(--lj-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(242, 237, 228, 0.38);
}

.lj-footer__row dd {
  font-size: 13.5px;
  color: rgba(242, 237, 228, 0.78);
  word-break: break-word;
}

.lj-footer__note {
  max-width: 68ch;
  margin-top: clamp(18px, 2.6vw, 28px);
  font-size: 12.5px;
  line-height: 1.85;
  color: rgba(242, 237, 228, 0.42);
}

.lj-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: clamp(16px, 2.4vw, 26px);
}

.lj-footer__copy,
.lj-footer__icp {
  font-family: var(--lj-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(242, 237, 228, 0.4);
}

/* ---------- 滚动显现 ---------- */
html.lj-js [data-reveal] {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

html.lj-js [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translateY(14px);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .lj-nav__list { gap: 14px; }
  .lj-nav__link { font-size: 13px; }
}

@media (max-width: 900px) {
  :root { --lj-header-h: 62px; }

  .lj-header__cta { display: none; }
  .lj-nav__toggle { display: inline-flex; }

  .lj-nav {
    position: fixed;
    top: var(--lj-header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 150;
    margin-left: 0;
    padding: 8px var(--lj-gutter) 56px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--lj-rock);
    border-top: 1px solid var(--lj-line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
  }

  .lj-header[data-open] .lj-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .lj-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .lj-nav__link {
    display: block;
    padding: 16px 0;
    font-size: 16.5px;
    letter-spacing: 0.05em;
    color: rgba(242, 237, 228, 0.82);
    border-bottom: 1px solid var(--lj-line);
  }

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

  .lj-nav__link[aria-current="page"] {
    color: var(--lj-cyan);
    padding-left: 14px;
  }

  .lj-nav__link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 3px;
    height: 16px;
    background: var(--lj-clay);
    transform: translateY(-50%);
  }

  .lj-nav__cta {
    display: block;
    margin-top: 24px;
    border-bottom: 0;
  }

  .lj-nav__cta .lj-btn { width: 100%; padding: 14px 20px; font-size: 14px; }

  .lj-grid--3,
  .lj-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .lj-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lj-footer { margin-top: clamp(40px, 7vw, 72px); }
}

@media (max-width: 600px) {
  :root { --lj-gutter: 18px; }

  body { font-size: 15.5px; }

  .lj-grid--2,
  .lj-grid--3,
  .lj-grid--4 { grid-template-columns: minmax(0, 1fr); }

  .lj-footer__grid { grid-template-columns: minmax(0, 1fr); }
  .lj-footer__head { align-items: flex-start; }
  .lj-footer__base { justify-content: flex-start; }
  .lj-header__inner { gap: 12px; }
  .lj-brand__tag { display: none; }
  .lj-lj-float-cta,
  .lj-float-cta { padding: 11px 17px; font-size: 12.5px; }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  html.lj-js [data-reveal],
  html.lj-js [data-reveal]:not(.is-in) {
    opacity: 1;
    transform: none;
  }
}