/**
 * arc-ledger：界外弧光 · 赛事信号台
 * 与 paper / app-lp / lp-het 不同的版式与命名空间（alx-*）
 */

/* 全站壳：浅色主背景（参考 tf-kaiyunapp 式 #e0efff→#fff），顶栏单独深色 */
html.arc-ledger-html {
  background-color: #e8f2fc;
  background-image: none;
  min-height: 100%;
}

body.layout-arc {
  color: #1e293b;
  background: linear-gradient(180deg, #e0efff 0%, #f0f7ff 18%, #f8fafc 45%, #ffffff 100%);
  background-attachment: fixed;
  /* 与全局 .card / .section / .crumb 等共用 token */
  --text: #1e293b;
  --text-soft: #334155;
  --muted: #64748b;
  --bg-card: #ffffff;
  --bg-card2: #f8fafc;
  --panel: #f1f5f9;
  --line: rgba(15, 23, 42, 0.1);
  --line-strong: rgba(65, 127, 255, 0.35);
  --accent: #417fff;
  --accent-dim: #2f65d4;
  --accent-blue: #3b82f6;
  --accent-blue-dim: #2563eb;
  --accent-violet: #7c3aed;
  --accent-violet-dim: #6d28d9;
  --accent-amber: #ffc107;
  --accent-sky: #0ea5e9;
  --shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 10px 32px rgba(15, 23, 42, 0.06);
  --glow: 0 8px 28px rgba(65, 127, 255, 0.12);
  --glow-blue: 0 8px 28px rgba(65, 127, 255, 0.1);
  --glow-violet: 0 8px 28px rgba(124, 58, 237, 0.08);
}

.layout-arc .btn-primary {
  background: linear-gradient(118deg, #5b9fff 0%, #417fff 48%, #2f65d4 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 8px 26px rgba(65, 127, 255, 0.32), 0 0 0 1px rgba(255, 193, 7, 0.14);
}

.layout-arc .btn:not(.btn-primary) {
  border-color: rgba(15, 23, 42, 0.14);
  background: #ffffff;
  color: var(--text);
}

.layout-arc .btn:not(.btn-primary):hover {
  border-color: rgba(65, 127, 255, 0.45);
  background: rgba(224, 239, 255, 0.65);
}

.layout-arc {
  --alx-bg0: #f8fafc;
  --alx-bg1: #ffffff;
  --alx-ink: #1e293b;
  --alx-muted: #64748b;
  --alx-line: rgba(15, 23, 42, 0.1);
  --alx-accent: #2563eb;
  --alx-accent2: #7c3aed;
  --alx-warn: #ffc107;
  --alx-heat: #ea580c;
  --alx-surface: #ffffff;
  --alx-surface-raised: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  font-feature-settings: "kern" 1, "liga" 1;
}

/* arc 顶栏：深色通栏（对齐 kaiyun 式 bg-dark 导航） */
.alx-masthead {
  position: sticky;
  top: 0;
  z-index: 120;
  --alx-ink: #f8fafc;
  --alx-muted: #94a3b8;
  --alx-accent: #93c5fd;
  --alx-line: rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, #1a1f2e 0%, #151923 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}

.alx-masthead__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.alx-masthead__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--alx-ink);
  min-width: 0;
}

.alx-masthead .alx-masthead__name {
  color: var(--alx-ink);
}

/* 顶栏品牌锁版：浅蓝—米白渐变槽 + 左侧圆角蓝标（图或内置线标）+ 右侧深色字 */
.alx-masthead__lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 6px 16px 6px 8px;
  border-radius: 14px;
  background: linear-gradient(180deg, #bfe0fb 0%, #e3f1fb 42%, #f4f3ec 100%);
  border: 1px solid rgba(15, 23, 42, 0.14);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.55) inset, 0 8px 22px rgba(0, 0, 0, 0.22);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.alx-masthead__brand:hover .alx-masthead__lockup {
  border-color: rgba(15, 23, 42, 0.2);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 10px 26px rgba(0, 0, 0, 0.26);
}

.alx-masthead__lockup-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(165deg, #3d9ee8 0%, #1d74c4 55%, #1567b5 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.32) inset, 0 4px 14px rgba(21, 103, 181, 0.38);
}

.alx-masthead__lockup-mark-img {
  max-width: 30px;
  max-height: 30px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.12));
}

.alx-masthead__lockup-initials {
  display: block;
  font-weight: 800;
  font-size: 0.98rem;
  line-height: 1;
  letter-spacing: 0.06em;
  color: #fff;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", ui-sans-serif, system-ui, sans-serif;
  user-select: none;
}

.alx-masthead__lockup-text {
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: #0f172a;
  max-width: min(56vw, 300px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", ui-sans-serif, system-ui, sans-serif;
}

.alx-masthead__brand:hover .alx-masthead__lockup-text {
  color: #020617;
}

/* legacy：旧版单图 / 霓虹字标（顶栏已改用 .alx-masthead__lockup） */
.alx-masthead__logo-text {
  display: inline-block;
  max-width: min(70vw, 420px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: 0.12em;
  line-height: 1.2;
  color: #f0f7ff;
  text-shadow: 0 0 20px rgba(65, 127, 255, 0.35), 0 1px 2px rgba(0, 0, 0, 0.55);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", ui-sans-serif, system-ui, sans-serif;
}

.alx-masthead__logo-img--solo {
  display: block;
  height: 48px;
  width: auto;
  max-width: min(60vw, 260px);
  object-fit: contain;
  border-radius: 12px;
  flex-shrink: 0;
  background: transparent;
}

/* 上传的站点 logo：外环与弧光台风格统一 */
.alx-masthead__logo-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  padding: 3px;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(65, 127, 255, 0.38), rgba(255, 193, 7, 0.18), rgba(167, 139, 250, 0.28));
  box-shadow: 0 0 0 1px rgba(65, 127, 255, 0.22) inset, 0 8px 24px rgba(0, 0, 0, 0.35);
}

.alx-masthead__logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 11px;
  background: rgba(11, 15, 22, 0.92);
}

/* 无图时：单字标 + 暗底 + 弧光描边 + 内层微光（变量由 layout.php 按品牌种子生成） */
.alx-masthead__logo-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  flex-shrink: 0;
  overflow: hidden;
  isolation: isolate;
  background: radial-gradient(120% 120% at 30% 15%, var(--logo-shine, rgba(255, 255, 255, 0.12)), transparent 45%),
    linear-gradient(155deg, var(--logo-c1, #0b1220) 0%, #121a22 55%, var(--logo-c1, #0b1220) 100%);
  box-shadow: 0 0 0 1px var(--logo-ring, rgba(65, 127, 255, 0.45)), 0 10px 28px rgba(0, 0, 0, 0.45),
    0 0 24px rgba(65, 127, 255, 0.14);
}

.alx-masthead__logo-badge::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 210deg, transparent 0%, var(--logo-c2, #417fff) 18%, var(--logo-c3, #ffc107) 38%, var(--logo-c3b, #a78bfa) 52%, transparent 62%);
  opacity: 0.22;
  animation: alx-logo-orbit 10s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .alx-masthead__logo-badge::before {
    animation: none;
    opacity: 0.14;
  }
}

@keyframes alx-logo-orbit {
  to {
    transform: rotate(360deg);
  }
}

.alx-masthead__logo-badge__inner {
  position: absolute;
  inset: 1px;
  border-radius: 13px;
  background: linear-gradient(135deg, rgba(65, 127, 255, 0.16), rgba(255, 193, 7, 0.08), rgba(167, 139, 250, 0.1));
  opacity: 0.85;
  pointer-events: none;
}

/* 不用 background-clip 做渐变字：部分浏览器对中文会显示成「?」或方框 */
.alx-masthead__logo-glyph {
  position: relative;
  z-index: 1;
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1;
  letter-spacing: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", ui-sans-serif, system-ui, sans-serif;
  color: #f0f7ff;
  text-shadow: 0 0 18px rgba(65, 127, 255, 0.45), 0 1px 2px rgba(0, 0, 0, 0.6);
}

.alx-masthead__titles {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.alx-masthead__name {
  font-weight: 800;
  letter-spacing: 0.03em;
  font-size: 1.05rem;
  line-height: 1.2;
}

.alx-masthead__sub {
  font-size: 0.78rem;
  color: var(--alx-muted);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(52vw, 420px);
}

.alx-masthead__nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  min-width: 0;
}

.alx-masthead__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px 4px;
}

.alx-masthead__list a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
  color: rgba(248, 250, 252, 0.9);
  text-decoration: none;
  opacity: 1;
  border: 1px solid transparent;
}

.alx-masthead__list a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffc107;
  opacity: 1;
}

/* 当前栏目：卡片式高亮（与主导航项对应） */
.alx-masthead__list a.is-active {
  color: #ffffff;
  opacity: 1;
  border-color: rgba(255, 193, 7, 0.45);
  background: rgba(65, 127, 255, 0.22);
  box-shadow: 0 0 0 1px rgba(65, 127, 255, 0.2);
}

.alx-masthead__list a.is-active:hover {
  background: rgba(65, 127, 255, 0.3);
  color: #ffffff;
}

.alx-masthead__beam {
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(65, 127, 255, 0.5),
    rgba(255, 193, 7, 0.4),
    rgba(167, 139, 250, 0.45),
    rgba(52, 211, 153, 0.25),
    transparent
  );
  opacity: 0.9;
}

@media (max-width: 720px) {
  .alx-masthead__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .alx-masthead__nav {
    justify-content: flex-start;
  }

  .alx-masthead__list {
    justify-content: flex-start;
  }

  .alx-masthead__sub {
    white-space: normal;
    max-width: none;
  }
}

/* arc 页脚：浅灰收束，与主内容区一致 */
.alx-site-footer {
  position: relative;
  margin-top: 0;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, #f1f5f9 0%, #f8fafc 100%);
  color: #475569;
  overflow: hidden;
}

.alx-site-footer--bg {
  border-top: 0;
  background-color: #0f172a;
  color: #e2e8f0;
}

.alx-site-footer--bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: var(--footer-bg), linear-gradient(180deg, rgba(15, 23, 42, 0.82), rgba(15, 23, 42, 0.94));
  background-size: cover, auto;
  background-position: center 58%, center;
  background-repeat: no-repeat, no-repeat;
  filter: blur(3px);
  transform: scale(1.02);
  pointer-events: none;
}

.alx-site-footer--bg .alx-site-footer__top,
.alx-site-footer--bg .alx-site-footer__bottom {
  position: relative;
  z-index: 1;
}

/* 有底图遮罩时必须用浅色字，否则与深色叠层对比不足 */
.alx-site-footer--bg .alx-site-footer__brand-name {
  color: #f8fafc;
}

.alx-site-footer--bg .alx-site-footer__brand-desc,
.alx-site-footer--bg .alx-site-footer__brand-extra,
.alx-site-footer--bg .alx-site-footer__contact-note {
  color: rgba(226, 232, 240, 0.95);
}

.alx-site-footer--bg .alx-site-footer__col-h {
  color: #94a3b8;
}

.alx-site-footer--bg .alx-site-footer__links a {
  color: #f1f5f9;
  opacity: 1;
}

.alx-site-footer--bg .alx-site-footer__links a:hover {
  color: #fde047;
}

.alx-site-footer--bg .alx-site-footer__contact-line {
  color: #f1f5f9;
}

.alx-site-footer--bg .alx-site-footer__contact-line .k {
  color: #94a3b8;
}

.alx-site-footer--bg .alx-site-footer__strip-label {
  color: #93c5fd;
}

.alx-site-footer--bg .alx-site-footer__copy {
  color: #cbd5e1;
}

.alx-site-footer--bg .alx-site-footer__meta {
  color: #94a3b8;
  opacity: 1;
}

.alx-site-footer__top {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 22px 8px;
}

.alx-site-footer__strip {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.alx-site-footer__strip-mark {
  width: 4px;
  height: 22px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--alx-warn), var(--alx-accent), var(--alx-accent2));
}

.alx-site-footer__strip-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #2563eb;
  font-weight: 700;
}

.alx-site-footer__cols {
  display: grid;
  grid-template-columns: minmax(200px, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 24px 20px;
  align-items: start;
}

@media (max-width: 960px) {
  .alx-site-footer__cols {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .alx-site-footer__cols {
    grid-template-columns: 1fr;
  }
}

.alx-site-footer__brand-name {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--alx-ink);
  margin: 0 0 8px;
  line-height: 1.3;
}

.alx-site-footer__brand-desc {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1.65;
  max-width: 48ch;
  color: #334155;
}

.alx-site-footer__brand-extra {
  margin: 12px 0 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #475569;
  max-width: 44ch;
}

.alx-site-footer__contact-note {
  margin: 12px 0 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #475569;
  max-width: 36ch;
}

.alx-site-footer__col-h {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 10px;
  font-weight: 700;
}

.alx-site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.alx-site-footer__links li {
  margin-bottom: 8px;
}

.alx-site-footer__links a {
  color: #1e293b;
  text-decoration: none;
  font-size: 0.88rem;
  opacity: 1;
}

.alx-site-footer__links a:hover {
  color: #2563eb;
  text-decoration: underline;
}

.alx-site-footer__contact-line {
  margin: 0 0 8px;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--alx-ink);
}

.alx-site-footer__contact-line .k {
  color: #64748b;
  margin-right: 6px;
}

.alx-site-footer__bottom {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 22px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
   gap: 10px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  font-size: 0.78rem;
}

.alx-site-footer__copy {
  color: #475569;
}

.alx-site-footer__meta {
  color: #64748b;
  opacity: 1;
}

/* --- shell --- */
.alx-root {
  background: transparent;
  color: var(--alx-ink);
  min-height: 48vh;
  padding-bottom: 48px;
}

.alx-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px 0;
}

/* hero：浅色分屏（kaiyun hero-5 式） */
.alx-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  min-height: 280px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
}

@media (max-width: 900px) {
  .alx-hero {
    grid-template-columns: 1fr;
  }
}

.alx-hero-left {
  padding: 36px 32px 40px;
  background: linear-gradient(135deg, #e0efff 0%, #f0f9ff 45%, #ffffff 100%);
  position: relative;
}

.alx-hero-left::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--alx-line), transparent);
}

.alx-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #2563eb;
  margin-bottom: 14px;
}

.alx-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--alx-warn);
  box-shadow: 0 0 12px var(--alx-warn);
}

.alx-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.55rem, 3.5vw, 2.15rem);
  line-height: 1.2;
  font-weight: 800;
  color: #1a1a1a;
}

.alx-hero-lead {
  margin: 0;
  color: var(--alx-muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 38ch;
}

.alx-hero-right {
  padding: 28px 28px 32px;
  background: linear-gradient(200deg, #f8fafc 0%, #ffffff 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}

.alx-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 8px 0 4px;
}

.alx-hero-visual__img {
  width: min(100%, 340px);
  height: auto;
  max-height: 148px;
  object-fit: contain;
  opacity: 1;
  padding: 12px 14px;
  box-sizing: border-box;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: #ffffff;
  filter: drop-shadow(0 12px 28px rgba(15, 23, 42, 0.1));
}

.alx-home-mid-fig {
  margin: 32px 0 0;
  padding: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
}

.alx-home-mid-fig__img {
  display: block;
  width: 100%;
  height: clamp(220px, 34vw, 300px);
  object-fit: cover;
  /* 宽横幅 cover：体育场/看台类素材以中轴略偏上为宜 */
  object-position: center 38%;
  opacity: 1;
  filter: saturate(1.06) contrast(1.04);
}

@media (max-width: 640px) {
  .alx-home-mid-fig__img {
    height: clamp(200px, 42vw, 260px);
    object-position: center 36%;
  }
}

.alx-home-mid-fig__cap {
  margin: 0;
  padding: 12px 16px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--alx-muted);
  text-align: center;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}

.alx-tile-ic {
  position: static;
  width: 40px;
  height: 40px;
  margin: 0 0 12px;
  opacity: 0.95;
  pointer-events: none;
  flex-shrink: 0;
  border-radius: 12px;
  padding: 6px;
  background: linear-gradient(145deg, rgba(224, 239, 255, 0.9), rgba(191, 219, 254, 0.5));
  border: 1px solid rgba(65, 127, 255, 0.25);
  box-sizing: border-box;
}

.alx-tile-ic img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
}

.alx-home-guide__ic {
  flex-shrink: 0;
  border-radius: 12px;
  padding: 8px;
  background: linear-gradient(145deg, rgba(224, 239, 255, 0.95), rgba(186, 230, 253, 0.45));
  border: 1px solid rgba(65, 127, 255, 0.22);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
}

.alx-home-guide__ic img {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
  opacity: 0.92;
}

.alx-trust__ic {
  display: block;
  margin-bottom: 12px;
}

.alx-trust__ic img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  opacity: 0.9;
  filter: drop-shadow(0 4px 12px rgba(65, 127, 255, 0.12));
}

.alx-meter {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.alx-meter-cell {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 10px;
  padding: 12px 12px 14px;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}

.alx-meter-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--alx-accent);
  font-variant-numeric: tabular-nums;
}

.alx-meter-lab {
  font-size: 0.72rem;
  color: var(--alx-muted);
  margin-top: 4px;
  letter-spacing: 0.06em;
}

.alx-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.alx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.alx-btn:hover {
  transform: translateY(-1px);
}

.alx-btn-primary {
  background: linear-gradient(118deg, var(--alx-accent) 0%, #417fff 50%, #2f65d4 100%);
  color: #ffffff;
  box-shadow: 0 8px 26px rgba(65, 127, 255, 0.28), 0 0 0 1px rgba(255, 193, 7, 0.1);
}

.alx-btn-ghost {
  border-color: var(--alx-line);
  color: var(--alx-ink);
  background: #ffffff;
}

/* bento：浅色容器 +白卡 */
.alx-bento {
  margin-top: 28px;
  padding: 22px 20px 24px;
  border-radius: 20px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

@media (max-width: 520px) {
  .alx-bento {
    padding: 18px 16px 20px;
  }
}

.alx-bento .alx-tile {
  grid-column: auto;
  grid-row: auto;
  min-height: 148px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 18px 18px 20px;
  background: #ffffff;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.alx-bento .alx-tile:hover {
  border-color: rgba(65, 127, 255, 0.35);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
  transform: translateY(-3px);
}

.alx-bento .alx-tile.wide,
.alx-bento .alx-tile.tall {
  grid-column: auto;
  grid-row: auto;
  min-height: 148px;
}

.alx-tile h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--alx-ink);
}

.alx-tile p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--alx-muted);
  line-height: 1.55;
}

.alx-tile-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: #1a1a1a;
  background: #ffc107;
  border: 1px solid rgba(224, 168, 0, 0.85);
  border-radius: 999px;
  padding: 4px 10px;
  opacity: 1;
  font-weight: 600;
}

/* 最新：横向时间轴感 */
.alx-stream {
  margin-top: 44px;
}

.alx-stream-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.alx-stream-head h2 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: #0f172a;
}

.alx-stream-head p {
  margin: 6px 0 0;
  color: var(--alx-muted);
  font-size: 0.92rem;
  max-width: 52ch;
}

.alx-more {
  color: var(--alx-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.alx-more:hover {
  text-decoration: underline;
}

.alx-feed {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 2px solid rgba(65, 127, 255, 0.35);
  margin-left: 10px;
  padding-left: 22px;
}

.alx-feed-item {
  display: block;
  padding: 18px 0 22px;
  border-bottom: 1px dashed rgba(138, 155, 176, 0.25);
  text-decoration: none;
  color: inherit;
  position: relative;
}

.alx-feed-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--alx-accent);
}

.alx-feed-item:last-child {
  border-bottom: none;
}

.alx-feed-item:hover .alx-fi-title {
  color: var(--alx-accent);
}

.alx-fi-time {
  font-size: 0.78rem;
  color: var(--alx-muted);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.alx-fi-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 8px;
  transition: color 0.15s ease;
}

.alx-fi-sum {
  margin: 0;
  font-size: 0.9rem;
  color: var(--alx-muted);
  line-height: 1.55;
}

.alx-fi-go {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--alx-accent2);
}

.alx-meter-note {
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: var(--alx-muted);
  line-height: 1.55;
}

.alx-stream__sub {
  margin: 8px 0 0;
  color: var(--alx-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 56ch;
}

.alx-trust {
  margin-top: 48px;
  padding: 28px 0 8px;
  border-top: 1px solid var(--alx-line);
}

.alx-trust__h {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #0f172a;
}

.alx-trust__lead {
  margin: 0 0 22px;
  color: var(--alx-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 62ch;
}

.alx-trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .alx-trust__grid {
    grid-template-columns: 1fr;
  }
}

.alx-trust__card {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  padding: 20px 20px 22px;
  background: #ffffff;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.06);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.alx-trust__card:hover {
  border-color: rgba(65, 127, 255, 0.28);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .alx-trust__card:hover {
    transform: none;
  }
}

.alx-trust__card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 700;
}

.alx-trust__card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--alx-muted);
  line-height: 1.6;
}

.alx-home-bottom {
  margin-top: 48px;
  padding: 28px 24px 32px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.08);
}

.alx-home-bottom__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.alx-home-bottom__h {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 800;
}

.alx-home-bottom__p {
  margin: 0;
  color: var(--alx-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 48ch;
}

.alx-home-bottom__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.alx-hero-lead--second {
  margin-top: 14px;
}

.alx-seo-block {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--alx-line);
}

.alx-seo-block__h {
  margin: 0 0 18px;
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.alx-seo-block__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 28px;
}

@media (max-width: 820px) {
  .alx-seo-block__cols {
    grid-template-columns: 1fr;
  }
}

.alx-seo-block__col p {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--alx-muted);
}

.alx-seo-block__col p:last-child {
  margin-bottom: 0;
}

.alx-topic-nav {
  margin-top: 36px;
  padding: 24px 22px 26px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
}

.alx-topic-nav__h {
  margin: 0 0 6px;
  font-size: 1.1rem;
  font-weight: 800;
}

.alx-topic-nav__sub {
  margin: 0 0 18px;
  font-size: 0.88rem;
  color: var(--alx-muted);
}

.alx-topic-nav__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 900px) {
  .alx-topic-nav__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .alx-topic-nav__grid {
    grid-template-columns: 1fr;
  }
}

.alx-topic-nav__grid a {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(91, 154, 255, 0.2);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.alx-topic-nav__grid a:hover {
  border-color: rgba(255, 193, 7, 0.35);
  background: linear-gradient(135deg, rgba(65, 127, 255, 0.08), rgba(255, 193, 7, 0.06));
}

.alx-topic-nav__grid strong {
  display: block;
  font-size: 0.95rem;
  color: var(--alx-ink);
  margin-bottom: 4px;
}

.alx-topic-nav__grid span {
  display: block;
  font-size: 0.82rem;
  color: var(--alx-muted);
  line-height: 1.45;
}

.alx-faq {
  margin-top: 44px;
  padding: 28px 0 8px;
  border-top: 1px solid var(--alx-line);
}

.alx-faq__h {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 800;
}

.alx-faq__intro {
  margin: 0 0 18px;
  color: var(--alx-muted);
  font-size: 0.92rem;
  max-width: 56ch;
}

.alx-faq__list {
  margin: 0;
}

.alx-faq__item {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px dashed rgba(138, 155, 176, 0.25);
}

.alx-faq__item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.alx-faq__item dt {
  font-weight: 700;
  color: var(--alx-ink);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.alx-faq__item dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--alx-muted);
}

.alx-company-seo {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--alx-line);
}

.alx-company-seo__h {
  margin: 0 0 18px;
  font-size: 1.18rem;
  font-weight: 800;
}

.alx-company-seo__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .alx-company-seo__grid {
    grid-template-columns: 1fr;
  }
}

.alx-company-seo__grid h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.alx-company-seo__grid p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--alx-muted);
  line-height: 1.6;
}

.alx-company-long {
  margin-top: 36px;
  padding: 26px 22px 28px;
  border: 1px solid var(--alx-line);
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
}

.alx-company-long__h {
  margin: 0 0 14px;
  font-size: 1.12rem;
  font-weight: 800;
}

.alx-company-long__body p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--alx-muted);
}

.alx-company-long__body p:last-child {
  margin-bottom: 0;
}

.alx-company-long--secondary {
  margin-top: 28px;
}

.alx-home-guide {
  margin-top: 44px;
  padding: 32px 24px 36px;
  border-radius: 20px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 55%);
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.07);
}

@media (max-width: 520px) {
  .alx-home-guide {
    padding: 24px 18px 28px;
  }
}

.alx-home-guide__h {
  margin: 0 0 10px;
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #2563eb;
}

.alx-home-guide__intro {
  margin: 0 0 24px;
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--alx-muted);
  max-width: 68ch;
}

.alx-home-guide__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 1100px) {
  .alx-home-guide__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .alx-home-guide__grid {
    grid-template-columns: 1fr;
  }
}

.alx-home-guide__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  margin: 0;
  padding: 20px 16px 22px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.alx-home-guide__item:hover {
  border-color: rgba(65, 127, 255, 0.3);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
  transform: translateY(-3px);
}

@media (max-width: 720px) {
  .alx-home-guide__item {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    padding: 18px 18px 20px;
  }
}

.alx-home-guide__body {
  min-width: 0;
  flex: 1;
}

.alx-home-guide__item h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--alx-ink);
}

.alx-home-guide__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--alx-muted);
}

.alx-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 20px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.alx-list-head h1 {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 800;
  line-height: 1.25;
  flex: 1;
  min-width: 0;
}

.alx-list-head__art {
  flex-shrink: 0;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: #ffffff;
}

.alx-list-head__art img {
  display: block;
  width: 56px;
  height: 56px;
  object-fit: contain;
  opacity: 0.9;
}

/* --- list：左轨 + 主列 --- */
.alx-list-shell {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: start;
  padding: 28px 20px 48px;
  max-width: 1120px;
  margin: 0 auto;
  background: radial-gradient(800px 400px at 0% 0%, rgba(224, 239, 255, 0.6), transparent 55%),
    linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  min-height: 40vh;
  color: var(--alx-ink);
}

@media (max-width: 820px) {
  .alx-list-shell {
    grid-template-columns: 1fr;
  }
}

.alx-rail {
  position: sticky;
  top: 88px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 12px;
  padding: 16px 14px;
  background: #ffffff;
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.07);
}

.alx-rail h3 {
  margin: 0 0 12px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--alx-muted);
}

.alx-rail a {
  display: block;
  padding: 8px 6px;
  color: var(--alx-ink);
  text-decoration: none;
  font-size: 0.88rem;
  border-radius: 6px;
}

.alx-rail a:hover {
  background: rgba(65, 127, 255, 0.08);
  color: var(--alx-accent);
}

.alx-list-intro {
  margin: 0 0 22px;
  max-width: 62ch;
}

.alx-list-intro p {
  margin: 0 0 10px;
  color: var(--alx-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.alx-list-intro p:last-child {
  margin-bottom: 0;
}

.alx-hot__hint {
  margin:0 0 14px;
  font-size: 0.86rem;
  color: var(--alx-muted);
  line-height: 1.55;
  max-width: 52ch;
}

.alx-crumb {
  font-size: 0.85rem;
  color: var(--alx-muted);
  margin-bottom: 18px;
}

.alx-crumb a {
  color: var(--alx-accent);
  text-decoration: none;
}

.alx-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.alx-stack-card {
  display: block;
  border-radius: 14px;
  border: 1px solid var(--alx-line);
  padding: 18px 20px 20px;
  background: #ffffff;
  text-decoration: none;
  color: inherit;
  border-left: 4px solid var(--alx-accent2);
  transition: border-color 0.15s ease, transform 0.15s ease;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
}

.alx-stack-card:hover {
  border-left-color: var(--alx-accent);
  transform: translateX(4px);
}

.alx-sc-title {
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.alx-sc-meta {
  font-size: 0.8rem;
  color: var(--alx-muted);
  margin-bottom: 8px;
}

.alx-sc-sum {
  margin: 0;
  font-size: 0.9rem;
  color: var(--alx-muted);
  line-height: 1.5;
}

.alx-pager {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.alx-pager a {
  min-width: 40px;
  text-align: center;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--alx-line);
  color: var(--alx-ink);
  text-decoration: none;
  font-size: 0.88rem;
}

.alx-pager a:hover,
.alx-pager a.active {
  border-color: var(--alx-accent);
  color: var(--alx-accent);
  background: rgba(65, 127, 255, 0.08);
}

.alx-hot {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--alx-line);
}

.alx-hot h3 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.alx-hot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.alx-hot-grid a {
  display: block;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px dashed rgba(138, 155, 176, 0.35);
  text-decoration: none;
  color: var(--alx-ink);
  font-size: 0.9rem;
}

.alx-hot-grid a:hover {
  border-style: solid;
  border-color: var(--alx-accent);
}

.alx-list-seo {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--alx-line);
}

.alx-list-seo__h {
  margin: 0 0 12px;
  font-size: 1.12rem;
  font-weight: 800;
}

.alx-list-seo p {
  margin: 0 0 12px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--alx-muted);
  max-width: 68ch;
}

.alx-list-seo p:last-of-type {
  margin-bottom: 16px;
}

.alx-list-seo__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.alx-list-seo__links a {
  color: var(--alx-accent);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

.alx-list-seo__links a:hover {
  text-decoration: underline;
}

/* --- detail：主栏 + 侧栏信号盒 --- */
.alx-detail-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px 56px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 32px;
  align-items: start;
  color: var(--alx-ink);
  background: radial-gradient(700px 380px at 100% 10%, rgba(224, 239, 255, 0.7), transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  min-height: 40vh;
}

@media (max-width: 900px) {
  .alx-detail-shell {
    grid-template-columns: 1fr;
  }
}

.alx-article h1 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.25;
  margin: 0 0 12px;
}

.alx-article .alx-crumb {
  margin-bottom: 16px;
}

.alx-article time {
  font-size: 0.85rem;
  color: var(--alx-muted);
}

.alx-article img.alx-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 14px;
  margin: 20px 0;
  border: 1px solid var(--alx-line);
}

.alx-body {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  padding: 22px 24px 28px;
  background: #ffffff;
  line-height: 1.75;
  font-size: 1rem;
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.06);
}

.alx-body p:first-child {
  margin-top: 0;
}

.alx-detail-cross {
  margin-top: 28px;
  padding: 20px 20px 22px;
  border: 1px solid var(--alx-line);
  border-radius: 14px;
  background: #f8fafc;
}

.alx-detail-cross__h {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 800;
}

.alx-detail-cross__p {
  margin: 0 0 14px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--alx-muted);
  max-width: 68ch;
}

.alx-detail-cross__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.alx-detail-cross__links a {
  color: var(--alx-accent);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

.alx-detail-cross__links a:hover {
  text-decoration: underline;
}

.alx-nav3 {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 640px) {
  .alx-nav3 {
    grid-template-columns: 1fr;
  }
}

.alx-nav3 .box {
  border: 1px solid var(--alx-line);
  border-radius: 12px;
  padding: 14px 16px;
  background: #ffffff;
}

.alx-nav3 .lab {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--alx-muted);
  margin-bottom: 8px;
}

.alx-nav3 a {
  color: var(--alx-accent);
  font-weight: 600;
  text-decoration: none;
}

.alx-aside {
  position: sticky;
  top: 88px;
  border: 1px solid var(--alx-line);
  border-radius: 14px;
  padding: 18px 18px 20px;
  background: #ffffff;
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.06);
}

.alx-aside h3 {
  margin: 0 0 12px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.alx-aside ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.alx-aside li {
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 2px solid rgba(167, 139, 250, 0.45);
  font-size: 0.88rem;
  color: var(--alx-muted);
}

.alx-aside .hint {
  font-size: 0.8rem;
  color: var(--alx-muted);
  line-height: 1.5;
  margin-top: 14px;
}

.alx-aside-links {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--alx-line);
}

.alx-aside-links__h {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--alx-muted);
  margin-bottom: 10px;
}

.alx-aside-links a {
  display: block;
  margin-bottom: 8px;
  color: var(--alx-accent);
  text-decoration: none;
  font-size: 0.88rem;
}

.alx-aside-links a:hover {
  text-decoration: underline;
}

/* --- 公司简介（arc 专用，不依赖 paper-bulletin） --- */
.alx-company {
  padding-bottom: 48px;
}

.alx-company-hero {
  margin-bottom: 28px;
}

.alx-company-h1 {
  margin: 0 0 12px;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  font-weight: 800;
}

.alx-company-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--alx-muted);
  line-height: 1.65;
  font-size: 1rem;
}

.alx-company-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px 20px;
  margin: 0 0 28px;
  padding: 22px 20px 24px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
}

/* 使用 64×64 viewBox 的 favicon 类图标，避免 900×360 横幅 SVG 缩成细条 */
.alx-company-strip__item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  padding: 10px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08);
}

.alx-company-strip__item img {
  display: block;
  width: 56px;
  height: 56px;
  min-width: 48px;
  min-height: 48px;
  object-fit: contain;
  opacity: 1;
  filter: drop-shadow(0 2px 10px rgba(65, 127, 255, 0.18));
}

.alx-company-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 36px;
}

@media (max-width: 900px) {
  .alx-company-split {
    grid-template-columns: 1fr;
  }
}

.alx-company-fig {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--alx-line);
  background: #f1f5f9;
}

.alx-company-fig img {
  width: 100%;
  display: block;
  max-height: 320px;
  object-fit: cover;
}

.alx-company-fig figcaption {
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--alx-muted);
  letter-spacing: 0.04em;
}

.alx-company-copy h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.alx-company-copy p {
  margin: 0 0 12px;
  color: var(--alx-muted);
  line-height: 1.65;
  font-size: 0.95rem;
}

.alx-company-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (max-width: 820px) {
  .alx-company-bento {
    grid-template-columns: 1fr;
  }
}

.alx-company-tile {
  border: 1px solid var(--alx-line);
  border-radius: 14px;
  padding: 18px 18px 20px;
  background: #ffffff;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.alx-company-tile h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.alx-company-tile p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--alx-muted);
  line-height: 1.55;
}

.alx-company-more {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--alx-line);
}

.alx-company-more__h {
  margin: 0 0 18px;
  font-size: 1.15rem;
  font-weight: 800;
}

.alx-company-more__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .alx-company-more__grid {
    grid-template-columns: 1fr;
  }
}

.alx-company-more__item {
  border: 1px solid var(--alx-line);
  border-radius: 12px;
  padding: 18px 18px 20px;
  background: #ffffff;
}

.alx-company-more__item h3 {
  margin: 0 0 8px;
  font-size: 0.98rem;
}

.alx-company-more__item p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--alx-muted);
  line-height: 1.6;
}

/* --- 静态页 / 404 / 通用 prose --- */
.alx-page-shell {
  padding: 28px 0 56px;
  min-height: 40vh;
}

.alx-page-crumb {
  margin-bottom: 18px;
}

.alx-crumb-sep {
  margin: 0 6px;
  color: var(--alx-muted);
  opacity: 0.7;
}

.alx-page-card {
  border: 1px solid var(--alx-line);
  border-radius: 16px;
  padding: 26px 28px 32px;
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.alx-page-h1 {
  margin: 0 0 18px;
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 800;
}

.alx-page-hero-fig {
  margin: 0 0 20px;
  padding: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--alx-line);
  background: #f1f5f9;
}

.alx-page-hero-fig__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 140px;
  object-fit: cover;
  object-position: center 55%;
  opacity: 0.82;
}

.alx-page-preface {
  margin: 0 0 20px;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--alx-line);
  background: rgba(65, 127, 255, 0.06);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--alx-muted);
  max-width: 62ch;
}

.alx-page-preface--second {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.1);
}

.alx-page-skip {
  margin: 0 0 22px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--alx-muted);
}

.alx-page-skip__label {
  margin-right: 8px;
  color: var(--alx-ink);
  font-weight: 600;
}

.alx-page-skip a {
  color: var(--alx-accent);
  text-decoration: none;
}

.alx-page-skip a:hover {
  text-decoration: underline;
}

.alx-page-skip__sep {
  margin: 0 8px;
  opacity: 0.55;
}

.alx-prose {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--alx-muted);
}

.alx-prose :where(p, li) {
  margin: 0.65em 0;
}

.alx-prose :where(a) {
  color: var(--alx-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.alx-prose :where(h2, h3) {
  color: var(--alx-ink);
  margin: 1.25em 0 0.5em;
  font-size: 1.05rem;
}

.alx-prose :where(ul, ol) {
  padding-left: 1.25em;
}

.alx-404-lead {
  margin: 0;
  max-width: 56ch;
  line-height: 1.65;
  color: var(--alx-muted);
}

.alx-404-meta {
  margin: 22px 0 0;
  font-size: 0.82rem;
  color: var(--alx-muted);
  opacity: 0.85;
}

.alx-404-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 20px;
}

@media (max-width: 520px) {
  .alx-404-grid {
    grid-template-columns: 1fr;
  }
}

.alx-404-tile {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--alx-line);
  background: #ffffff;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.alx-404-tile:hover {
  border-color: rgba(65, 127, 255, 0.4);
  background: rgba(65, 127, 255, 0.06);
}

.alx-404-tile__t {
  display: block;
  font-weight: 700;
  color: var(--alx-ink);
  margin-bottom: 4px;
}

.alx-404-tile__d {
  display: block;
  font-size: 0.82rem;
  color: var(--alx-muted);
}

.alx-404-more {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--alx-line);
}

.alx-404-more__h {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 800;
}

.alx-404-more__p {
  margin: 0 0 14px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--alx-muted);
  max-width: 62ch;
}

.alx-404-more__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.alx-404-more__links a {
  color: var(--alx-accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.alx-404-more__links a:hover {
  text-decoration: underline;
}

/* --- changelog：arc 专用履历页（独立于 style.css 旧 .changelog-dark） --- */
.alx-changelog-shell {
  padding: 28px 0 56px;
  min-height: 40vh;
}

.alx-changelog-intro {
  margin-bottom: 28px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--alx-line);
  position: relative;
}

.alx-changelog-intro::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(220px, 42%);
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--alx-accent), var(--alx-accent2));
  opacity: 0.85;
}

.alx-changelog-kicker {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--alx-accent);
  opacity: 0.95;
}

.alx-changelog-h1 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.alx-changelog-sub {
  margin: 0 0 20px;
  max-width: 62ch;
  color: var(--alx-muted);
  line-height: 1.65;
  font-size: 0.95rem;
}

.alx-changelog-intro-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 22px;
  align-items: start;
}

@media (max-width: 820px) {
  .alx-changelog-intro-grid {
    grid-template-columns: 1fr;
  }
}

.alx-changelog-note,
.alx-changelog-extra {
  margin: 0;
  padding: 16px 18px;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--alx-muted);
}

.alx-changelog-note {
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.06);
}

.alx-changelog-extra {
  border: 1px solid rgba(167, 139, 250, 0.22);
  background: #faf5ff;
}

.alx-cl-timeline {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 8px;
}

.alx-cl-empty {
  padding: 28px 22px;
  text-align: center;
  border-radius: 16px;
  border: 1px dashed var(--alx-line);
  color: var(--alx-muted);
  font-size: 0.92rem;
}

.alx-cl-card {
  position: relative;
  margin: 0;
  padding: 20px 22px 22px;
  border-radius: 18px;
  border: 1px solid var(--alx-line);
  background: #ffffff;
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.08);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
  overflow: hidden;
}

.alx-cl-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 18px 0 0 18px;
  background: linear-gradient(180deg, var(--alx-accent), var(--alx-accent2));
  opacity: 0.65;
}

.alx-cl-card[data-alx-cl-latest="1"] {
  border-color: rgba(65, 127, 255, 0.35);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.1), 0 0 0 1px rgba(65, 127, 255, 0.08) inset;
}

.alx-cl-card[data-alx-cl-latest="1"]::before {
  opacity: 1;
  width: 5px;
}

.alx-cl-card:hover {
  border-color: rgba(65, 127, 255, 0.38);
  transform: translateY(-2px);
  box-shadow: 0 16px 44px rgba(15, 23, 42, 0.12);
}

@media (prefers-reduced-motion: reduce) {
  .alx-cl-card:hover {
    transform: none;
  }
}

.alx-cl-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.alx-cl-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.alx-cl-pill--date {
  color: #1a1408;
  background: linear-gradient(118deg, #ffc107 0%, #f59e0b 100%);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.38);
}

.alx-cl-pill--ver {
  color: var(--alx-ink);
  background: rgba(167, 139, 250, 0.18);
  border: 1px solid rgba(167, 139, 250, 0.35);
}

.alx-cl-badge {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--alx-accent);
  border: 1px solid rgba(65, 127, 255, 0.45);
  background: rgba(65, 127, 255, 0.1);
}

.alx-cl-card__title {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--alx-ink);
  padding-left: 2px;
}

.alx-cl-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.alx-cl-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--alx-muted);
}

.alx-cl-list li:last-child {
  margin-bottom: 0;
}

.alx-cl-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--alx-accent), var(--alx-accent2));
  opacity: 0.9;
}

.alx-changelog-foot {
  margin: 32px 0 0;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--alx-muted);
  max-width: 68ch;
  background: #f8fafc;
}

.alx-changelog-related {
  margin-top: 36px;
  padding: 26px 22px 28px;
  border: 1px solid var(--alx-line);
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.07);
}

.alx-changelog-related__h {
  margin: 0 0 8px;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.alx-changelog-related__p {
  margin: 0 0 18px;
  font-size: 0.88rem;
  color: var(--alx-muted);
  line-height: 1.55;
  max-width: 56ch;
}

.alx-changelog-related__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

@media (max-width: 900px) {
  .alx-changelog-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 420px) {
  .alx-changelog-related__grid {
    grid-template-columns: 1fr;
  }
}

.alx-changelog-tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.alx-changelog-tile:hover {
  border-color: rgba(65, 127, 255, 0.4);
  background: rgba(65, 127, 255, 0.06);
  transform: translateY(-1px);
}

.alx-changelog-tile__k {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--alx-accent);
  opacity: 0.9;
}

.alx-changelog-tile__t {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--alx-ink);
  line-height: 1.35;
}

.alx-faq--changelog {
  margin-top: 40px;
  padding: 28px 22px 8px;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
}

.alx-faq--changelog .alx-faq__h {
  margin-bottom: 14px;
}

.alx-faq--changelog .alx-faq__intro {
  max-width: none;
}