/* =========================================================
   乐教乐学 · 站点样式
   设计方向：教育科技 / 克制的蓝 / 大量留白
   ========================================================= */
:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-2: #f1f5fb;
  --ink: #0b1424;
  --ink-2: #2c3a52;
  --muted: #64748b;
  --line: #e2e8f2;
  --line-strong: #cfd9e8;
  --brand: #0b5cff;
  --brand-strong: #0846c4;
  --brand-soft: #e9f0ff;
  --teal: #00b3a4;
  --teal-soft: #e2faf6;
  --amber: #f59f1d;
  --violet: #7c5cff;
  --dark: #070f1e;
  --dark-2: #0c1a31;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(11, 20, 36, 0.05);
  --shadow: 0 18px 48px rgba(11, 20, 36, 0.09);
  --shadow-lg: 0 40px 90px rgba(8, 25, 60, 0.18);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

html { overflow-x: clip; }
body {
  margin: 0; overflow-x: clip;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
code { font-family: var(--mono); }

::selection { background: rgba(11, 92, 255, 0.16); }

:focus-visible {
  outline: 3px solid rgba(11, 92, 255, 0.35);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.page-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(11, 92, 255, 0.10), transparent 65%),
    radial-gradient(700px 420px at 8% 4%, rgba(0, 179, 164, 0.07), transparent 60%);
}

main, .site-header, .site-footer { position: relative; z-index: 1; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- 品牌 ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand-text small {
  margin-top: 3px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(247, 249, 252, 0.82);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(11, 20, 36, 0.04);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  position: relative;
  padding: 8px 12px;
  border-radius: 9px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--brand); background: rgba(11, 92, 255, 0.06); }
.nav-link.is-active { color: var(--brand); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.18s var(--ease), background 0.2s, border-color 0.2s, box-shadow 0.2s, color 0.2s;
}
.btn .icon { width: 17px; height: 17px; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  color: #fff;
  background: linear-gradient(180deg, #1a6bff, var(--brand));
  box-shadow: 0 10px 24px rgba(11, 92, 255, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.btn--primary:hover { background: linear-gradient(180deg, #2c78ff, #0a54ea); box-shadow: 0 14px 30px rgba(11, 92, 255, 0.32); }
.btn--ghost {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); background: #fbfdff; }
.btn--light { color: var(--brand-strong); background: #fff; box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18); }
.btn--light:hover { background: #f2f7ff; }
.btn--outline-light { color: #fff; border-color: rgba(255, 255, 255, 0.34); background: rgba(255, 255, 255, 0.04); }
.btn--outline-light:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.55); }
.btn--sm { min-height: 38px; padding: 0 15px; font-size: 13.5px; border-radius: 9px; }
.btn--lg { min-height: 52px; padding: 0 26px; font-size: 15.5px; border-radius: 13px; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  padding: 76px 0 64px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}
.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(0, 179, 164, 0.14);
}
.hero h1 {
  margin-top: 22px;
  font-size: clamp(2.9rem, 5.6vw, 4.55rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.045em;
}
.grad {
  background: linear-gradient(100deg, var(--brand) 0%, #1f7bff 46%, var(--teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  max-width: 34em;
  margin-top: 22px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 24px;
  font-size: 13px;
  color: var(--muted);
}
.hero-meta li { display: flex; align-items: center; gap: 7px; }
.hero-meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line-strong);
}

/* ---------- 首屏视觉 ---------- */
.hero-visual {
  position: relative;
  height: 520px;
  min-width: 0;
}
.hero-stage {
  position: absolute;
  inset: 0;
}
.stage-grid {
  position: absolute;
  inset: 10% 0 6% 4%;
  border-radius: 36px;
  background-image:
    linear-gradient(rgba(11, 92, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 92, 255, 0.07) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(ellipse 70% 70% at 60% 45%, #000 40%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 60% 45%, #000 40%, transparent 78%);
}
.stage-glow {
  position: absolute;
  inset: 8% 4% 10% 6%;
  border-radius: 40px;
  background: radial-gradient(circle at 62% 38%, rgba(11, 92, 255, 0.16), transparent 62%);
  filter: blur(18px);
}
.app-window {
  position: absolute;
  left: 0;
  top: 22px;
  width: 400px;
  border: 1px solid rgba(214, 224, 238, 0.95);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: rotate(-2.2deg);
  animation: float-slow 9s ease-in-out infinite alternate;
}
.app-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: #f8fafd;
  border-bottom: 1px solid var(--line);
}
.app-dots { display: flex; gap: 5px; }
.app-dots i { width: 7px; height: 7px; border-radius: 50%; background: #d8e0ec; }
.app-dots i:first-child { background: #ffb3a7; }
.app-dots i:nth-child(2) { background: #ffd88a; }
.app-dots i:nth-child(3) { background: #9ee6c4; }
.app-title { font-size: 11.5px; font-weight: 600; color: var(--ink-2); }
.app-badge {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--teal-soft);
  font-size: 10px;
  font-weight: 600;
  color: #067a6f;
}
.app-body { display: flex; height: 310px; }
.app-side {
  width: 46px;
  flex: none;
  padding: 14px 10px;
  border-right: 1px solid var(--line);
  background: #fbfcfe;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.app-side-item { display: block; height: 8px; border-radius: 3px; background: #e8edf5; }
.app-side-item.is-on { background: var(--brand); width: 70%; }
.app-canvas {
  flex: 1;
  padding: 16px 18px;
  background-image: radial-gradient(rgba(11, 92, 255, 0.09) 1px, transparent 1px);
  background-size: 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}
.block {
  padding: 7px 11px;
  border-radius: 7px;
  border: 1px solid;
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.3;
  background: #fff;
  box-shadow: 0 2px 5px rgba(11, 20, 36, 0.05);
}
.block b { font-weight: 700; }
.block--blue { border-color: #b9d1ff; background: #eef4ff; color: #1a4ea8; }
.block--teal { border-color: #a7e8df; background: #e9fbf8; color: #067a6f; }
.block--amber { border-color: #f6d9a2; background: #fff8e8; color: #9a5b00; }
.block--indent { margin-left: 18px; border-color: var(--line); color: var(--ink-2); }
.mono { font-family: var(--mono); font-size: 10.5px; color: #b45309; }

.board-card {
  position: absolute;
  right: -4px;
  bottom: 30px;
  width: 190px;
  padding: 14px;
  border-radius: 16px;
  background: linear-gradient(160deg, #123b8f, #0a1f4d);
  box-shadow: 0 24px 50px rgba(8, 25, 60, 0.35);
  transform: rotate(4deg);
  animation: float-slow 7s 0.6s ease-in-out infinite alternate-reverse;
}
.board-head { display: flex; align-items: center; justify-content: space-between; }
.board-name { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; color: rgba(255, 255, 255, 0.78); }
.board-led { width: 7px; height: 7px; border-radius: 50%; background: #5ef2c8; box-shadow: 0 0 10px #5ef2c8; }
.board-pins { display: flex; gap: 4px; margin-top: 12px; }
.board-pins i { flex: 1; height: 14px; border-radius: 2px; background: rgba(255, 255, 255, 0.18); }
.board-pins i:nth-child(3n) { background: rgba(94, 242, 200, 0.5); }
.board-chip {
  margin-top: 14px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.5);
}
.board-port {
  margin-top: 12px;
  width: 46px;
  height: 10px;
  border-radius: 2px;
  background: #c9d6ea;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.25);
}

.float-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid rgba(226, 232, 242, 0.9);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(11, 20, 36, 0.12);
  backdrop-filter: blur(8px);
}
.float-chip b { display: block; font-size: 11.5px; line-height: 1.25; }
.float-chip small { display: block; font-size: 9.5px; color: var(--muted); }
.float-chip--a { top: -34px; right: 0; animation: float-chip 6.4s ease-in-out infinite alternate; }
.float-chip--b { top: 212px; right: 0; animation: float-chip 7.4s 0.5s ease-in-out infinite alternate-reverse; }
.float-chip--c { bottom: 10px; left: 72px; animation: float-chip 8s 1.1s ease-in-out infinite alternate; }
.fc-icon {
  width: 30px;
  height: 30px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}
.fc-icon--teal { background: linear-gradient(150deg, #16c9b8, #0a9d90); }
.fc-icon--blue { background: linear-gradient(150deg, #3f86ff, #1655d8); }
.fc-icon--amber { background: linear-gradient(150deg, #ffbe55, #ee8c0b); }
.fc-ok {
  margin-left: 4px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--teal-soft);
  color: #067a6f;
  font-size: 9px;
  font-weight: 700;
}

@keyframes float-slow {
  from { transform: translateY(0) rotate(-2.2deg); }
  to { transform: translateY(-9px) rotate(-2.2deg); }
}
@keyframes float-chip {
  from { transform: translateY(0); }
  to { transform: translateY(-7px); }
}

/* ---------- 信任条 ---------- */
.trust-strip {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 28px;
  padding-block: 18px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.trust-inner span { display: flex; align-items: center; gap: 8px; }
.trust-inner span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0.5;
}
/* ---------- 区块骨架 ---------- */
.section { padding: 92px 0; }
.section--flush { padding-top: 0; }
.section--tint {
  background: linear-gradient(180deg, #eef3fa 0%, #f6f9fd 100%);
  border-block: 1px solid rgba(226, 232, 242, 0.8);
}
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head--split {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}
.section-head p { margin-top: 12px; font-size: 16px; color: var(--muted); }
.section-head--left { margin-bottom: 30px; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
}
.kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--teal));
}
h2 {
  font-size: clamp(1.75rem, 3.1vw, 2.5rem);
  font-weight: 750;
  line-height: 1.18;
  letter-spacing: -0.035em;
}
h3 { font-size: 18px; font-weight: 700; line-height: 1.35; letter-spacing: -0.01em; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  white-space: nowrap;
}
.link-arrow .icon { width: 16px; height: 16px; transition: transform 0.2s var(--ease); }
.link-arrow:hover .icon { transform: translateX(3px); }

/* ---------- 能力卡 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.feature-card {
  position: relative;
  padding: 32px 30px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}
.feature-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -60% auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(11, 92, 255, 0.08), transparent 68%);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #d6e2f5; }
.feature-card:hover::after { opacity: 1; }
.feature-card--accent {
  background: linear-gradient(165deg, #0b1c3a 0%, #0a2f6b 100%);
  border-color: transparent;
  color: #fff;
}
.feature-card--accent ::selection { background: rgba(255, 255, 255, 0.2); }
.feature-card--accent p, .feature-card--accent .tick-list li { color: rgba(255, 255, 255, 0.72); }
.feature-num {
  display: block;
  margin-bottom: 22px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--brand);
}
.feature-card--accent .feature-num { color: #7dd9ff; }
.feature-card h3 { margin-bottom: 12px; }
.feature-card p { font-size: 14.5px; line-height: 1.8; color: var(--muted); }
.tick-list { margin-top: 20px; display: grid; gap: 9px; }
.tick-list li {
  position: relative;
  padding-left: 20px;
  font-size: 13px;
  color: var(--ink-2);
}
.tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: var(--brand);
  opacity: 0.55;
}
.feature-card--accent .tick-list li::before { background: #6fe6d4; opacity: 0.9; }

/* ---------- 商店 ---------- */
.store-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.store-grid--home { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.store-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
}
.store-card:hover { transform: translateY(-3px); border-color: #cddcf3; box-shadow: var(--shadow); }
.store-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.store-tile {
  width: 44px;
  height: 44px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(150deg, #3f86ff, #1655d8);
  box-shadow: 0 6px 14px rgba(11, 92, 255, 0.22);
}
.store-tile[data-cat="传感器"] { background: linear-gradient(150deg, #18c9b8, #0a9d90); box-shadow: 0 6px 14px rgba(0, 179, 164, 0.22); }
.store-tile[data-cat="显示"] { background: linear-gradient(150deg, #8a6bff, #5a3ce0); box-shadow: 0 6px 14px rgba(124, 92, 255, 0.22); }
.store-tile[data-cat="执行器"] { background: linear-gradient(150deg, #ffbe55, #ee8c0b); box-shadow: 0 6px 14px rgba(245, 159, 29, 0.22); }
.store-tile[data-cat="通信"] { background: linear-gradient(150deg, #48c0f0, #1a84c9); box-shadow: 0 6px 14px rgba(26, 132, 201, 0.22); }
.store-version {
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  white-space: nowrap;
}
.store-card h3 { font-size: 15.5px; }
.store-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3.3em;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}
.store-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.store-tag {
  padding: 2px 8px;
  border-radius: 5px;
  background: var(--surface-2);
  font-size: 10.5px;
  color: var(--ink-2);
}
.store-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 11.5px;
  color: var(--muted);
}
.store-install {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: 7px;
  background: var(--brand-soft);
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  transition: background 0.2s;
}
.store-install:hover { background: #dbe7ff; }
.store-skeleton {
  height: 236px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(100deg, #f4f7fb 20%, #eaf0f8 38%, #f4f7fb 56%);
  background-size: 220% 100%;
  animation: shimmer 1.5s infinite linear;
}
@keyframes shimmer { to { background-position: -220% 0; } }
.store-empty, .state-card {
  padding: 46px 30px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.6);
  text-align: center;
}
.state-card h3 { margin-bottom: 8px; }
.state-card p { color: var(--muted); font-size: 14px; }
.state-card .btn { margin-top: 18px; }
.state-card--error { border-color: #f2c9c9; background: #fff7f7; }

.store-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(460px, 100%);
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-box:focus-within { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(11, 92, 255, 0.10); }
.search-box .icon { width: 17px; height: 17px; color: var(--muted); flex: none; }
.search-box input {
  width: 100%;
  min-height: 46px;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 14px;
}
.search-box input::placeholder { color: #93a1b5; }
.store-counter { font-size: 13px; color: var(--muted); white-space: nowrap; }

.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.chip {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 13px;
  color: var(--ink-2);
  transition: all 0.2s;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- 步骤 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.step {
  position: relative;
  padding: 34px 36px 10px 0;
}
.step + .step { padding-left: 36px; border-left: 1px solid var(--line); }
.step-index {
  display: inline-block;
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--brand);
}
.step h3 { margin-bottom: 9px; }
.step p { font-size: 14px; color: var(--muted); }

/* ---------- 支持卡 ---------- */
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.support-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.25s var(--ease), box-shadow 0.25s, border-color 0.25s;
}
.support-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d3e0f3; }
.support-index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 9px;
  background: var(--brand-soft);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
}
.support-card h3 { margin-bottom: 8px; }
.support-card p { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.support-card .link-arrow { font-size: 13px; }

/* ---------- CTA ---------- */
.cta-band {
  position: relative;
  padding: 76px 0;
  background:
    radial-gradient(700px 300px at 82% 10%, rgba(11, 92, 255, 0.35), transparent 65%),
    radial-gradient(500px 260px at 10% 100%, rgba(0, 179, 164, 0.18), transparent 60%),
    linear-gradient(140deg, #081120, #0b1c3a 55%, #0a2a5c);
  color: #fff;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(90deg, transparent, #000 60%, transparent);
  opacity: 0.6;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-inner h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.cta-inner p { margin-top: 12px; color: rgba(255, 255, 255, 0.7); font-size: 15px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; flex: none; }

/* ---------- 内页头部 ---------- */
.page-hero { padding: 72px 0 56px; }
.page-hero h1 {
  margin-top: 8px;
  font-size: clamp(2.4rem, 4.8vw, 3.9rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.045em;
}
.page-hero .lead { margin-top: 20px; }
.page-hero--store { padding-bottom: 40px; }
.page-hero--store .lead { max-width: 40em; }

/* ---------- 产品页 ---------- */
.product-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: center;
  padding: 46px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.product-tag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 11px;
  border-radius: 6px;
  background: var(--brand-soft);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand);
}
.product-copy h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); }
.product-sub { margin-top: 8px; font-size: 15px; font-weight: 600; color: var(--ink-2); }
.product-copy > p:not(.product-sub) { margin-top: 18px; font-size: 15px; color: var(--muted); }
.check-list { display: grid; gap: 10px; margin-top: 24px; }
.check-list li { position: relative; padding-left: 26px; font-size: 14px; color: var(--ink-2); }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b5cff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 4 4L19 6'/%3E%3C/svg%3E") center / 10px no-repeat;
}
.product-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

.product-visual {
  position: relative;
  min-height: 380px;
  display: grid;
  place-items: center;
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 45%, rgba(11, 92, 255, 0.14), transparent 60%),
    linear-gradient(160deg, #0a1730, #0c2a5e);
  overflow: hidden;
}
.product-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(122, 180, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 180, 255, 0.12) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 78%);
}
.mini-window {
  position: relative;
  z-index: 1;
  width: 86%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transform: rotate(-1.5deg);
}
.mini-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: #f7f9fd;
  border-bottom: 1px solid #e6ecf5;
}
.mini-bar i { width: 7px; height: 7px; border-radius: 50%; background: #e0e7f1; }
.mini-bar i:first-child { background: #ffb3a7; }
.mini-bar i:nth-child(2) { background: #ffd88a; }
.mini-bar i:nth-child(3) { background: #9ee6c4; }
.mini-bar span { margin-left: 4px; font-size: 10.5px; font-weight: 600; color: #53627a; }
.mini-body { display: flex; min-height: 250px; }
.mini-side { width: 38px; padding: 12px 9px; border-right: 1px solid #eef2f8; background: #fbfcfe; display: flex; flex-direction: column; gap: 8px; }
.mini-side b { display: block; height: 7px; border-radius: 2px; background: #e8edf5; }
.mini-side b:first-child { background: #0b5cff; width: 75%; }
.mini-code { flex: 1; padding: 14px 16px; display: flex; flex-direction: column; gap: 7px; background-image: radial-gradient(rgba(11, 92, 255, 0.08) 1px, transparent 1px); background-size: 15px 15px; }
.mini-line {
  align-self: flex-start;
  padding: 5px 9px;
  border: 1px solid #e2e8f2;
  border-radius: 6px;
  background: #fff;
  font-size: 10.5px;
  color: #35435c;
  box-shadow: 0 1px 3px rgba(11, 20, 36, 0.05);
}
.mini-key { font-weight: 700; color: #1a4ea8; }
.mini-indent { margin-left: 16px; }
.mini-indent2 { margin-left: 32px; }
.product-badge {
  position: absolute;
  z-index: 2;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 9px;
  background: rgba(9, 22, 44, 0.82);
  backdrop-filter: blur(8px);
  font-size: 10.5px;
  font-weight: 600;
  color: #cfe4ff;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}
.product-badge--a { top: 18px; right: 16px; }
.product-badge--b { bottom: 16px; left: 16px; color: #a8f3e6; }

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.capability {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.capability:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.capability-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  border-radius: 10px;
  background: var(--brand-soft);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
}
.capability h3 { margin-bottom: 8px; font-size: 16px; }
.capability p { font-size: 13.5px; color: var(--muted); }

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.system-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand);
  border-radius: 4px 4px var(--radius) var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.system-num {
  display: block;
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--brand);
}
.system-card h3 { margin-bottom: 10px; font-size: 17px; }
.system-card p { font-size: 14px; color: var(--muted); }
.system-card .link-arrow { margin-top: 18px; font-size: 13px; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.category-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.category-dot {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 5px rgba(11, 92, 255, 0.1);
}
.category-dot--teal { background: var(--teal); box-shadow: 0 0 0 5px rgba(0, 179, 164, 0.1); }
.category-dot--amber { background: var(--amber); box-shadow: 0 0 0 5px rgba(245, 159, 29, 0.1); }
.category-dot--violet { background: var(--violet); box-shadow: 0 0 0 5px rgba(124, 92, 255, 0.1); }
.category-card h3 { margin-bottom: 7px; font-size: 15.5px; }
.category-card p { font-size: 12.5px; color: var(--muted); }

/* ---------- 商店页 ---------- */
.hero-grid > *, .store-hero-grid > *, .download-grid > *, .contact-grid > *, .about-grid > *, .product-showcase > *, .company-band > * { min-width: 0; }
.store-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}
.store-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 26px;
  font-size: 12.5px;
  color: var(--muted);
}
.store-hero-meta li { display: flex; align-items: center; gap: 7px; }
.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(0, 179, 164, 0.4);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(0, 179, 164, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 179, 164, 0); }
}
.registry-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.registry-label { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.registry-value { min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding: 9px 10px 9px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
}
.registry-value code {
  flex: 1;
  min-width: 0;
  font-size: 11.5px;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.registry-help { margin-top: 14px; font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.registry-link { display: inline-block; margin-top: 12px; font-size: 12.5px; font-weight: 600; color: var(--brand); }

.install-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.install-step {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.install-step h3 { margin: 12px 0 8px; font-size: 16px; }
.install-step p { font-size: 13.5px; color: var(--muted); }
.store-note {
  margin-top: 24px;
  padding: 18px 22px;
  border-left: 3px solid var(--teal);
  border-radius: 0 10px 10px 0;
  background: var(--teal-soft);
  font-size: 13.5px;
  color: #075e56;
}

/* ---------- 下载页 ---------- */
.release-card {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: 40px;
  padding: 42px;
  border-radius: 28px;
  background:
    radial-gradient(600px 260px at 88% 0%, rgba(11, 92, 255, 0.45), transparent 65%),
    linear-gradient(140deg, #081120, #0b1c3a 60%, #0a2a5c);
  color: #fff;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.release-head { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.release-badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(94, 242, 200, 0.14);
  border: 1px solid rgba(94, 242, 200, 0.3);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #7df0d8;
}
.release-version {
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
}
.release-version small { font-size: 13px; font-weight: 500; color: rgba(255, 255, 255, 0.55); letter-spacing: 0; }
.release-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 18px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.62);
}
.release-notes { margin-top: 24px; font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, 0.78); white-space: pre-line; }
.release-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.release-hash {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.45);
  word-break: break-all;
}
.release-side { border-left: 1px solid rgba(255, 255, 255, 0.12); padding-left: 36px; display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.release-fact span { display: block; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255, 255, 255, 0.45); }
.release-fact strong { display: block; margin-top: 3px; font-size: 15px; font-weight: 600; color: #fff; }

.download-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: start; }
.install-list { display: grid; gap: 22px; }
.install-list li { display: flex; gap: 18px; }
.install-list li > span {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brand);
}
.install-list strong { display: block; margin-bottom: 3px; font-size: 15px; }
.install-list p { font-size: 13.5px; color: var(--muted); }
.requirements-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.requirements-card h3 { margin-bottom: 20px; }
.requirements-card dl { display: grid; gap: 14px; }
.requirements-card dl div { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding-bottom: 14px; border-bottom: 1px dashed var(--line); }
.requirements-card dl div:last-child { border-bottom: 0; padding-bottom: 0; }
.requirements-card dt { font-size: 12.5px; color: var(--muted); }
.requirements-card dd { font-size: 13px; color: var(--ink-2); }
.requirements-note { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.7; color: var(--muted); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.data-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.data-table th, .data-table td { padding: 14px 18px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--line); }
.data-table th { font-size: 11.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); background: #fafcff; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td code { font-size: 11px; color: var(--muted); }
.data-table .mono-cell { font-family: var(--mono); font-size: 11.5px; }

.faq-list { display: grid; gap: 10px; max-width: 860px; }
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 0 20px;
}
.faq-list summary {
  padding: 17px 0;
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 18px; font-weight: 400; color: var(--muted); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 0 18px; font-size: 13.5px; line-height: 1.8; color: var(--muted); }
.faq-list code { padding: 2px 5px; border-radius: 4px; background: var(--surface-2); font-size: 12px; }
/* ---------- 资料页 ---------- */
.filter-chips--page { margin-bottom: 22px; }
.resource-list { display: grid; gap: 12px; }
.resource-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s var(--ease);
}
.resource-item:hover { border-color: #cfddf2; box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.resource-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--brand-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--brand);
}
.resource-icon[data-type="pdf"] { background: #fff0ef; color: #d64545; }
.resource-icon[data-type="doc"], .resource-icon[data-type="docx"] { background: #edf3ff; color: #1a5fd0; }
.resource-icon[data-type="ppt"], .resource-icon[data-type="pptx"] { background: #fff4e8; color: #c26a00; }
.resource-icon[data-type="zip"], .resource-icon[data-type="rar"], .resource-icon[data-type="7z"] { background: #f1ecff; color: #6741d9; }
.resource-main h3 { font-size: 15px; margin-bottom: 3px; }
.resource-main p { font-size: 12.5px; color: var(--muted); }
.resource-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 7px; font-size: 11px; color: #8b99ad; }
.resource-action { display: flex; align-items: center; gap: 12px; }
.resource-size { font-family: var(--mono); font-size: 11px; color: var(--muted); white-space: nowrap; }
.resource-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 9px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  transition: all 0.2s;
  white-space: nowrap;
}
.resource-download:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
.resource-download .icon { width: 14px; height: 14px; }
.empty-state {
  padding: 60px 30px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.6);
  text-align: center;
}
.empty-state h3 { margin-bottom: 8px; }
.empty-state p { font-size: 14px; color: var(--muted); }
.support-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.support-inline h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.support-inline p { margin-top: 8px; font-size: 14.5px; color: var(--muted); }

/* ---------- 关于页 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: 64px;
  align-items: start;
}
.about-story h2 { margin-bottom: 22px; }
.about-story p { margin-bottom: 18px; font-size: 15.5px; line-height: 1.95; color: var(--ink-2); }
.about-signature {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
}
.signature-mark {
  padding: 4px 8px;
  border-radius: 5px;
  background: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
}
.about-card {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  padding: 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, #0b1c3a, #0a2f6b);
  color: #fff;
  box-shadow: var(--shadow);
}
.about-card h3 { margin-bottom: 20px; font-size: 16px; }
.belief-list { display: grid; gap: 18px; }
.belief-list li { padding-bottom: 18px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.belief-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.belief-list strong { display: block; font-size: 14px; font-weight: 600; }
.belief-list span { display: block; margin-top: 4px; font-size: 12.5px; line-height: 1.6; color: rgba(255, 255, 255, 0.62); }

.company-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 48px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.company-band h2 { margin-bottom: 10px; }
.company-band p { font-size: 14px; color: var(--muted); }
.company-facts { display: grid; gap: 14px; }
.company-facts div { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding-bottom: 13px; border-bottom: 1px dashed var(--line); }
.company-facts div:last-child { border-bottom: 0; padding-bottom: 0; }
.company-facts dt { font-size: 12.5px; color: var(--muted); }
.company-facts dd { font-size: 13.5px; color: var(--ink-2); }

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 40px;
  align-items: start;
}
.contact-info { display: grid; gap: 12px; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s, transform 0.2s var(--ease), box-shadow 0.2s;
}
a.contact-card:hover { border-color: #cfddf2; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.contact-icon {
  flex: none;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--brand-soft);
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
}
.contact-icon--teal { background: var(--teal-soft); color: #067a6f; }
.contact-icon--amber { background: #fff5e3; color: #a25f00; }
.contact-icon--violet { background: #f1ecff; color: #6741d9; }
.contact-card span { display: block; font-size: 11.5px; color: var(--muted); }
.contact-card strong { display: block; margin-top: 2px; font-size: 15px; font-weight: 600; color: var(--ink); word-break: break-word; }
.contact-card small { display: block; margin-top: 4px; font-size: 11.5px; color: #93a1b5; }

.contact-form-wrap {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.contact-form h2 { font-size: 1.45rem; letter-spacing: -0.02em; }
.form-intro { margin-top: 6px; margin-bottom: 22px; font-size: 12.5px; color: var(--muted); }
.required { color: #d64545; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: block; margin-bottom: 16px; }
.field > span { display: block; margin-bottom: 6px; font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fcfdff;
  font-size: 14px;
  outline: 0;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.field textarea { resize: vertical; min-height: 130px; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(11, 92, 255, 0.1);
}
.field input::placeholder, .field textarea::placeholder { color: #a3b0c2; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-privacy { margin-top: 14px; font-size: 11.5px; color: #93a1b5; }
.form-notice {
  margin-bottom: 20px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 13.5px;
  line-height: 1.6;
}
.form-notice--ok { background: var(--teal-soft); border: 1px solid #b6efe6; color: #075e56; }
.form-notice--err { background: #fff5f5; border: 1px solid #f5cccc; color: #a12d2d; }

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 0;
  padding-top: 64px;
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.8fr 1.1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.brand--footer .brand-text strong { color: #fff; }
.brand--footer .brand-text small { color: rgba(255, 255, 255, 0.45); }
.footer-brand p { margin-top: 16px; max-width: 30em; font-size: 13px; line-height: 1.8; color: rgba(255, 255, 255, 0.55); }
.footer-brand .footer-note { margin-top: 10px; font-size: 12px; color: rgba(255, 255, 255, 0.38); }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h3 { margin-bottom: 6px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255, 255, 255, 0.42); }
.footer-col a, .footer-col span { font-size: 13px; color: rgba(255, 255, 255, 0.66); transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-contact span { font-size: 12.5px; color: rgba(255, 255, 255, 0.5); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 20px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.footer-legal a:hover { color: rgba(255, 255, 255, 0.8); }
.footer-admin { padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, 0.14); color: rgba(255, 255, 255, 0.32); }
.footer-admin:hover { color: rgba(255, 255, 255, 0.7); }

/* ---------- 错误页 ---------- */
.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  padding: 80px 0;
  text-align: center;
}
.error-code {
  font-family: var(--mono);
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--line-strong);
}
.error-page h1 { margin-top: 18px; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.error-page p { margin-top: 10px; color: var(--muted); }
.error-actions { display: flex; justify-content: center; gap: 12px; margin-top: 26px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .header-store { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-visual { height: 500px; width: min(560px, 100%); margin-inline: auto; }
  .store-grid--home { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-main { grid-template-columns: 1.4fr 0.8fr 0.8fr; }
  .footer-contact { grid-column: 2 / -1; }
  .capability-grid, .feature-grid, .system-grid, .support-grid, .install-steps, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step + .step { padding-left: 0; border-left: 0; }
  .step { padding: 26px 0; border-top: 1px solid var(--line); }
  .steps { border-top: 0; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-showcase { grid-template-columns: 1fr; padding: 32px; }
  .product-visual { min-height: 340px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-card { position: static; }
  .company-band { grid-template-columns: 1fr; gap: 28px; padding: 32px; }
  .store-hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .download-grid { grid-template-columns: 1fr; gap: 36px; }
  .release-card { grid-template-columns: 1fr; padding: 32px; }
  .release-side { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.12); padding-left: 0; padding-top: 24px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .container { width: calc(100% - 32px); }
  .nav {
    position: fixed;
    left: 16px;
    right: 16px;
    top: calc(var(--header-h) + 8px);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s var(--ease);
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link { padding: 12px 14px; font-size: 15px; }
  .nav-link.is-active { background: var(--brand-soft); }
  .nav-link.is-active::after { display: none; }
  .nav-toggle { display: flex; }
  .header-store { display: none; }
  .header-actions { margin-left: auto; }
  .hero { padding: 52px 0 40px; }
  .hero h1 { font-size: clamp(2.5rem, 9vw, 3.4rem); }
  .hero-visual { height: 480px; }
  .app-window { width: 360px; }
  .app-body { height: 280px; }
  .float-chip--b { right: 10px; }
  .section { padding: 68px 0; }
  .section-head--split { flex-direction: column; align-items: flex-start; gap: 16px; }
  .store-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .store-toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .store-counter { text-align: right; }
  .cta-inner { flex-direction: column; align-items: flex-start; gap: 26px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
  .support-inline { flex-direction: column; align-items: flex-start; gap: 20px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form-wrap { padding: 26px; }
  .company-facts div { grid-template-columns: 80px 1fr; }
  .requirements-card dl div { grid-template-columns: 80px 1fr; }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 28px); }
  .hero-visual { height: 330px; }
  .hero-stage .float-chip, .hero-stage .app-output { display: none; }
  .hero-stage { right: auto; bottom: auto; width: 550px; height: 520px; left: 50%; margin-left: -170px; transform: scale(0.62); transform-origin: top left; }
  .hero-meta { gap: 8px 14px; }
  .btn--lg { min-height: 48px; padding: 0 20px; font-size: 14.5px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .feature-grid, .capability-grid, .system-grid, .support-grid, .install-steps, .steps, .category-grid, .store-grid, .store-grid--home { grid-template-columns: 1fr; }
  .store-skeleton { height: 210px; }
  .product-showcase { padding: 24px; border-radius: 22px; }
  .product-visual { min-height: 300px; }
  .mini-window { width: 94%; }
  .resource-item { grid-template-columns: 40px minmax(0, 1fr); gap: 14px; padding: 18px; }
  .resource-action { grid-column: 2; justify-content: flex-start; }
  .resource-icon { width: 40px; height: 40px; }
  .contact-card { padding: 18px; }
  .contact-form-wrap { padding: 22px; }
  .release-card { padding: 26px 22px; }
  .release-version { font-size: 2rem; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-col { gap: 8px; }
  .footer-bottom { flex-direction: column; }
  .footer-admin { border-left: 0; padding-left: 0; }
  .page-hero { padding: 52px 0 36px; }
  .section { padding: 58px 0; }
  .install-list li { gap: 12px; }
  .about-signature { flex-wrap: wrap; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
.chip-count { margin-left: 5px; font-family: var(--mono); font-size: 10.5px; opacity: 0.55; }

.release-badge--muted { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.18); color: rgba(255, 255, 255, 0.72); }

.brand-mark svg, .brand-mark img { width: 100%; height: 100%; display: block; object-fit: contain; }
.brand-text strong { white-space: nowrap; }

.category-dot--blue { background: var(--brand); box-shadow: 0 0 0 5px rgba(11, 92, 255, 0.1); }
.contact-card--static { cursor: default; }

.app-output {
  position: absolute;
  right: 58px;
  bottom: 14px;
  width: 122px;
  padding: 10px 12px;
  border-radius: 10px;
  background: linear-gradient(160deg, #101f39, #0a1428);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  text-align: right;
  box-shadow: 0 10px 24px rgba(8, 25, 60, 0.25);
}
.app-output span { display: block; font-size: 9px; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.45); }
.app-output strong { display: block; margin-top: 2px; font-family: var(--mono); font-size: 22px; font-weight: 600; line-height: 1.2; letter-spacing: -0.04em; }
.app-output strong small { font-size: 10px; font-weight: 500; color: rgba(255, 255, 255, 0.55); }
.app-output em { display: block; margin-top: 2px; font-style: normal; font-size: 10px; color: #7ef0dd; }
/* ---------- 产品列表与详情（后台可编辑） ---------- */
.page-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 12.5px;
  color: var(--muted);
}
.page-breadcrumb a:hover { color: var(--brand); }
.page-breadcrumb span:last-child { color: var(--ink-2); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.product-grid--single { grid-template-columns: minmax(0, 780px); justify-content: center; }
.product-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s var(--ease), box-shadow 0.28s, border-color 0.28s;
}
.product-card:hover { transform: translateY(-4px); border-color: #cfddf2; box-shadow: var(--shadow); }
.product-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 70% 30%, rgba(11, 92, 255, 0.35), transparent 60%),
    linear-gradient(150deg, #0a1730, #0b2b63);
  overflow: hidden;
}
.product-card-media .product-cover { width: 100%; height: 100%; object-fit: cover; }
.product-card-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.product-card-tag {
  align-self: flex-start;
  margin-bottom: 10px;
  padding: 3px 9px;
  border-radius: 5px;
  background: var(--brand-soft);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--brand);
}
.product-card h3 { font-size: 20px; margin-bottom: 4px; }
.product-card-tagline { font-size: 13px; color: var(--ink-2); }
.product-card-summary {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}
.product-card .link-arrow { margin-top: auto; padding-top: 18px; font-size: 13px; }

.product-placeholder {
  width: 100%;
  height: 100%;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
}
.product-placeholder span {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 34px;
  font-weight: 700;
}
.product-placeholder small { font-size: 12px; color: rgba(255, 255, 255, 0.55); }
.product-placeholder--hero { min-height: 380px; }

.product-detail-hero { padding: 40px 0 0; }
.product-title {
  margin: 2px 0 0;
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
}
.product-summary { margin-top: 16px; font-size: 15px; line-height: 1.85; color: var(--muted); }
.product-visual--photo {
  background: #eef3f8;
  padding: 0;
}
.product-cover--hero {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: contain;
  background: #071020;
}
.product-visual--photo .product-placeholder { min-height: 380px; }

.product-sections { max-width: 820px; }
.product-section { padding: 0 0 36px; }
.product-section:last-child { padding-bottom: 0; }
.product-section h2 { margin-bottom: 16px; font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.product-section-body p { margin-bottom: 14px; font-size: 15.5px; line-height: 1.95; color: var(--ink-2); }
.product-section-body p:last-child { margin-bottom: 0; }

.product-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.product-gallery-item {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.product-gallery-item img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.product-gallery-item figcaption { padding: 12px 16px; font-size: 12.5px; color: var(--muted); }

.product-specs-panel {
  max-width: 860px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.product-specs-table th { width: 28%; font-weight: 600; color: var(--ink-2); background: #fafcff; }
.product-specs-table th, .product-specs-table td { padding: 14px 20px; font-size: 13.5px; }

@media (max-width: 960px) {
  .product-grid { grid-template-columns: 1fr; }
  .product-grid--single { grid-template-columns: 1fr; }
  .product-detail-hero { padding-top: 26px; }
  .product-gallery { grid-template-columns: 1fr; }
  .product-specs-panel { padding: 26px 20px; }
}
@media (max-width: 640px) {
  .product-card-body { padding: 20px; }
  .product-card h3 { font-size: 18px; }
  .product-cover--hero { min-height: 260px; }
  .product-visual--photo .product-placeholder { min-height: 260px; }
  .product-title { font-size: 2rem; }
}
/* =========================================================
   赛事中心
   ========================================================= */
.page-hero--events {
  background:
    radial-gradient(900px 420px at 82% 10%, rgba(11, 92, 255, .16), transparent 65%),
    radial-gradient(700px 360px at 8% 20%, rgba(0, 179, 164, .1), transparent 60%),
    linear-gradient(180deg, #f7f9fc 0%, #eef4ff 100%);
}
.page-hero--events h1 { max-width: 760px; }
.event-count { color: var(--muted); font-size: 13px; margin: 0 0 18px; }
.event-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.event-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.event-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.event-card-cover { display: block; position: relative; }
.event-cover {
  aspect-ratio: 16 / 9; background-size: cover; background-position: center;
  background-color: #dfe8f8;
}
.event-cover--placeholder {
  display: grid; place-items: center; color: rgba(255, 255, 255, .9);
  background: linear-gradient(135deg, #0b5cff 0%, #07348f 100%);
}
.event-cover--placeholder span { font-size: 42px; font-weight: 800; letter-spacing: .08em; }
.event-status {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 650; color: #fff; background: #0b5cff; white-space: nowrap;
}
.event-card-cover .event-status { position: absolute; left: 12px; top: 12px; }
.event-status--upcoming { background: #0b5cff; }
.event-status--open { background: #0b8f62; }
.event-status--closed { background: #7a8699; }
.event-status--ended { background: #4b5568; }
.event-card-body { padding: 18px 20px 20px; }
.event-card-meta { display: flex; gap: 12px; color: var(--muted); font-size: 12.5px; margin-bottom: 8px; }
.event-card-meta span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.event-card h3 { margin: 0 0 8px; font-size: 19px; line-height: 1.35; }
.event-card h3 a { color: var(--ink); text-decoration: none; }
.event-card h3 a:hover { color: var(--brand); }
.event-card p { margin: 0 0 16px; color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.event-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 12.5px; color: var(--muted); }
.event-detail-hero { position: relative; background: var(--surface); border-bottom: 1px solid var(--line); }
.event-cover--hero { width: 100%; height: min(46vw, 480px); aspect-ratio: auto; }
.event-detail-head { position: relative; padding-top: 34px; padding-bottom: 34px; }
.event-detail-head h1 { font-size: clamp(30px, 4vw, 48px); line-height: 1.12; margin: 14px 0 10px; letter-spacing: -.03em; }
.event-detail-head .lead { max-width: 760px; }
.event-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 18px; color: var(--muted); font-size: 14px; }
.event-detail-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr); gap: 40px; align-items: start; }
.event-main h2 { margin: 30px 0 12px; font-size: 22px; }
.event-main h2:first-child { margin-top: 0; }
.event-main p { color: var(--ink-2); line-height: 1.9; }
.event-highlights { display: grid; gap: 8px; padding: 0; margin: 0 0 8px; list-style: none; }
.event-highlights li { position: relative; padding-left: 24px; color: var(--ink-2); }
.event-highlights li::before { content: ""; position: absolute; left: 4px; top: .68em; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); }
.event-schedule { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.event-schedule-row { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 18px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.event-schedule-row:last-child { border-bottom: 0; }
.event-schedule-row time { color: var(--brand); font-weight: 650; font-size: 13px; }
.event-schedule-row strong { display: block; font-size: 14.5px; }
.event-schedule-row p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.event-aside { position: sticky; top: calc(var(--header-h) + 22px); }
.event-cta-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.event-cta-card h2 { margin: 0 0 12px; font-size: 20px; }
.event-cta-card .btn { width: 100%; justify-content: center; margin: 6px 0 14px; }
.event-note { color: var(--muted); font-size: 13px; line-height: 1.7; background: var(--surface-2); border-radius: 10px; padding: 12px 14px; margin: 0 0 14px; }
.event-closed { display: block; color: var(--muted); font-size: 13px; margin: 6px 0 14px; }
.event-register-head { margin-bottom: 26px; }
.event-register-head h1 { margin: 8px 0 6px; font-size: clamp(28px, 4vw, 42px); letter-spacing: -.02em; }
.event-register-head .lead { margin: 0 0 6px; }
.event-register-date { color: var(--muted); font-size: 13.5px; }
.event-register-form, .event-login-card, .event-success {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm);
}
.event-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 18px; }
.event-field--full { grid-column: 1 / -1; }
.event-field textarea { min-height: 100px; }
.event-field input, .event-field textarea, .event-field select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 9px; font: inherit; font-size: 14px; background: #fff;
}
.event-field > span { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.event-field b { color: #d64545; font-weight: 700; }
.event-radio, .event-check { display: inline-flex; align-items: center; gap: 8px; margin: 0 16px 8px 0; font-size: 14px; color: var(--ink-2); }
.event-form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 22px; }
.event-form-actions span { color: var(--muted); font-size: 12.5px; }
.event-honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; opacity: 0 !important; }
.event-login-card h2, .event-success h2 { margin: 0 0 10px; font-size: 24px; }
.event-login-card p, .event-success p { color: var(--ink-2); }
.event-login-card .btn, .event-success .btn { margin: 10px 10px 0 0; }
.event-success code { background: var(--surface-2); padding: 3px 8px; border-radius: 6px; color: var(--brand-strong); }
.narrow { max-width: 860px; }
@media (max-width: 960px) {
  .event-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .event-detail-grid { grid-template-columns: 1fr; gap: 28px; }
  .event-aside { position: static; }
}
@media (max-width: 640px) {
  .event-grid { grid-template-columns: 1fr; }
  .event-cover--hero { height: 56vw; }
  .event-form-grid { grid-template-columns: 1fr; }
  .event-register-form, .event-login-card, .event-success { padding: 20px; }
  .event-schedule-row { grid-template-columns: 100px minmax(0, 1fr); gap: 10px; }
}
/* 前台面包屑 */
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 18px 0 0; font-size: 12px; color: var(--muted); }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span:last-child { color: var(--ink-2); }
.event-cover--hero.event-cover--placeholder { height: min(34vw, 340px); }
/* =========================================================
   页面构建器区块
   ========================================================= */
.blocks-page { overflow-x: clip; }
.blk { padding: 74px 0; }
.blk--hero { padding: 74px 0 84px; background: radial-gradient(900px 420px at 82% 10%, rgba(11, 92, 255, .12), transparent 65%), linear-gradient(180deg, #f7f9fc, #eef4ff); }
.blk-hero-inner { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; }
.blk-hero-copy h1 { margin: 0 0 18px; font-size: clamp(38px, 5vw, 68px); line-height: 1.08; letter-spacing: -.04em; }
.blk-hero-copy p { color: var(--muted); font-size: 17px; max-width: 600px; }
.blk-hero-image img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.blk-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.blk-head { max-width: 720px; margin: 0 auto 32px; text-align: center; }
.blk-head h2, .blk--text h2, .blk--split h2, .blk--gallery h2, .blk--timeline h2, .blk--faq h2 { margin: 0 0 12px; font-size: clamp(26px, 3vw, 38px); letter-spacing: -.02em; }
.blk-head p { color: var(--muted); margin: 0; }
.blk--text p, .blk--split p { color: var(--ink-2); line-height: 1.9; }
.blk--split-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 44px; align-items: center; }
.blk-split-image img { width: 100%; border-radius: var(--radius); }
.blk-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.blk-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.blk-card h3 { margin: 0 0 8px; font-size: 16px; }
.blk-card p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.7; }
.blk-meta { display: inline-block; margin-top: 12px; color: var(--brand); font-size: 12px; }
.blk--stats { padding: 30px 0; background: var(--surface); border-block: 1px solid var(--line); }
.blk-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; text-align: center; }
.blk-stat strong { display: block; font-size: 30px; letter-spacing: -.03em; color: var(--brand-strong); }
.blk-stat span { color: var(--muted); font-size: 12.5px; }
.blk--logos { padding: 44px 0; }
.blk-center { text-align: center; }
.blk-logo-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.blk-logo { padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 13px; }
.blk-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.blk-gallery figure { margin: 0; }
.blk-gallery img { width: 100%; border-radius: 12px; display: block; }
.blk-gallery figcaption { margin-top: 6px; font-size: 12px; color: var(--muted); }
.blk-timeline { border-left: 2px solid var(--brand-soft); padding-left: 22px; display: grid; gap: 20px; }
.blk-time-row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; }
.blk-time-row time { color: var(--brand); font-weight: 650; font-size: 13px; }
.blk-time-row p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.blk-faq { border-bottom: 1px solid var(--line); padding: 12px 0; }
.blk-faq summary { cursor: pointer; font-weight: 650; }
.blk-faq p { color: var(--muted); margin: 8px 0 0; }
.blk--video video { width: 100%; border-radius: var(--radius); }
.blk--cta { background: linear-gradient(135deg, #071a3a, #0b3a8f); color: #fff; }
.blk-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.blk-cta-inner h2 { margin: 0 0 6px; font-size: clamp(26px, 3vw, 38px); }
.blk-cta-inner p { margin: 0; color: rgba(255, 255, 255, .72); }
.blk-product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.blk-product { display: block; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); color: var(--ink); text-decoration: none; }
.blk-product img, .blk-product-placeholder { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); font-size: 34px; font-weight: 800; }
.blk-product div { padding: 16px 18px 20px; }
.blk-product span { color: var(--brand); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.blk-product h3 { margin: 4px 0 6px; font-size: 18px; }
.blk-product p { margin: 0; color: var(--muted); font-size: 13px; }
.blk--contact-card { max-width: 720px; margin: 0 auto; }
.blk-contact-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm); }
.blk-contact-form { display: grid; gap: 14px; margin-top: 18px; }
.blk-contact-form .field span { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.blk-contact-form input, .blk-contact-form textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 9px; font: inherit; font-size: 14px; }
.blk-contact-form button { justify-self: start; }
.blk--spacer { height: 40px; padding: 0; }
@media (max-width: 960px) {
  .blk { padding: 54px 0; }
  .blk-hero-inner, .blk--split-inner { grid-template-columns: 1fr; gap: 28px; }
  .blk-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .blk-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .blk-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .blk-card-grid, .blk-product-grid, .blk-gallery { grid-template-columns: 1fr; }
  .blk-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .blk-cta-inner { flex-direction: column; align-items: flex-start; }
  .blk-time-row { grid-template-columns: 1fr; gap: 4px; }
}
/* 扩展 / 板卡切换 */
.store-tabs { display: inline-flex; gap: 4px; margin-top: 22px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .72); }
.store-tabs a { padding: 8px 20px; border-radius: 999px; color: var(--muted); font-size: 13.5px; font-weight: 600; text-decoration: none; }
.store-tabs a.is-active { background: var(--brand); color: #fff; }
.store-board-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.store-board-card { display: flex; flex-direction: column; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
.store-board-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.store-board-chip { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: var(--brand-soft); color: var(--brand-strong); font-family: var(--mono); font-size: 11px; }
.store-board-card h3 { margin: 12px 0 6px; font-size: 18px; }
.store-board-desc { flex: 1; margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.store-board-meta { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 12px; color: var(--muted); font-size: 12px; }
.store-board-card .store-install { text-align: center; }
@media (max-width: 960px) { .store-board-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .store-board-grid { grid-template-columns: 1fr; } }
/* 下载反馈 */
.download-toast {
  position: fixed; left: 50%; bottom: 26px; z-index: 200; max-width: min(92vw, 620px);
  transform: translate(-50%, 12px); opacity: 0; pointer-events: none;
  padding: 12px 18px; border-radius: 10px; background: #0b1424; color: #fff;
  font-size: 13px; line-height: 1.6; box-shadow: 0 16px 40px rgba(7, 15, 30, .28);
  transition: opacity .2s ease, transform .2s ease;
}
.download-toast.is-show { opacity: 1; transform: translate(-50%, 0); }