/* ===== 朝晨软件 主页样式 ===== */
:root {
  --bg: #05070d;
  --bg-soft: #090d16;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(13, 18, 32, 0.86);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #e8edf7;
  --muted: #94a0b8;
  --c1: #22d3ee;
  --c2: #6366f1;
  --c3: #a78bfa;
  --grad: linear-gradient(92deg, #22d3ee 0%, #6366f1 52%, #a78bfa 100%);
  --danger: #f87171;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 背景粒子画布 */
#fx-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.7;
}

/* 背景网格与辉光 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 45% at 50% -5%, rgba(99, 102, 241, 0.22), transparent 70%),
    radial-gradient(40% 35% at 88% 20%, rgba(34, 211, 238, 0.12), transparent 70%),
    radial-gradient(45% 40% at 8% 70%, rgba(167, 139, 250, 0.14), transparent 70%),
    var(--bg);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
  opacity: 0.8;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { display: block; }

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text);
  background: transparent;
  transition: transform 0.18s ease, box-shadow 0.24s ease, background 0.18s ease, border-color 0.18s ease;
  user-select: none;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35), inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}
.btn-primary:hover { box-shadow: 0 10px 32px rgba(99, 102, 241, 0.5); transform: translateY(-1px); }
.btn-ghost { background: rgba(255, 255, 255, 0.06); border-color: var(--border); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--border-strong); }
.btn-glass {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  backdrop-filter: blur(8px);
}
.btn-glass:hover { background: rgba(255, 255, 255, 0.09); }
.btn-lg { padding: 14px 30px; font-size: 15px; border-radius: 14px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-xs { padding: 5px 12px; font-size: 12px; border-radius: 9px; }
.btn-block { width: 100%; }

/* ===== 导航 ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  backdrop-filter: blur(14px);
  background: rgba(5, 7, 13, 0.55);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.navbar.scrolled { background: rgba(5, 7, 13, 0.82); border-color: var(--border); }
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 66px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-logo { width: 34px; height: 34px; border-radius: 10px; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.brand-en { font-size: 11px; color: var(--muted); letter-spacing: 3px; margin-top: 3px; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a {
  font-size: 14px; color: var(--muted);
  position: relative; padding: 6px 0;
  transition: color 0.2s ease;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; border-radius: 2px; background: var(--grad);
  transition: right 0.25s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.user-chip { display: flex; align-items: center; gap: 8px; padding: 5px; border-radius: 12px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); }
.user-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--grad); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 600;
}
.user-name { font-size: 13px; max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; margin-left: auto; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.25s ease; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 90px;
  overflow: hidden;
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; animation: float 14s ease-in-out infinite alternate; }
.glow-a { width: 420px; height: 420px; background: rgba(99, 102, 241, 0.4); top: -80px; right: -60px; }
.glow-b { width: 360px; height: 360px; background: rgba(34, 211, 238, 0.25); bottom: -60px; left: -80px; animation-delay: -6s; }
@keyframes float {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, -30px) scale(1.12); }
}
.hero-inner { position: relative; z-index: 2; max-width: 900px; text-align: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 4px; color: var(--c1);
  border: 1px solid var(--border); background: rgba(255,255,255,0.04);
  padding: 8px 18px; border-radius: 999px; margin-bottom: 28px;
}
.hero-tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c1); box-shadow: 0 0 10px var(--c1); }
.hero-title { font-size: clamp(42px, 7vw, 76px); font-weight: 800; line-height: 1.16; letter-spacing: 1px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub {
  margin: 26px auto 0; max-width: 620px;
  color: var(--muted); font-size: 17px; line-height: 1.85;
}
.hl { color: var(--text); font-weight: 600; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-metrics {
  margin: 64px auto 0; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
}
.metric {
  min-width: 130px; padding: 18px 22px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.metric:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.metric b { font-size: 30px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: 1px; }
.metric span { font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.scroll-hint {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  z-index: 2; width: 26px; height: 44px; border: 2px solid var(--border-strong); border-radius: 16px;
}
.scroll-hint span {
  position: absolute; top: 8px; left: 50%; width: 4px; height: 4px; margin-left: -2px;
  background: var(--c1); border-radius: 50%;

  animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(16px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ===== 通用区块 ===== */
.section { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: 110px 24px; }
.section-head { text-align: center; margin-bottom: 60px; }
.section-eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: 4px; color: var(--c1);
  border: 1px solid rgba(34, 211, 238, 0.35); background: rgba(34, 211, 238, 0.06);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 20px;
}
.section-title { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: 0.5px; }
.section-desc { color: var(--muted); margin-top: 14px; }

/* ===== 产品卡片 ===== */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  backdrop-filter: blur(12px); position: relative; overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.35s ease, border-color 0.3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.card-topline { position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad); }
.product-card { padding: 36px 34px 32px; display: flex; flex-direction: column; }
.product-emoji {
  width: 64px; height: 64px; border-radius: 18px;
  display: grid; place-items: center; font-size: 32px;
  background: linear-gradient(145deg, var(--eb), rgba(255, 255, 255, 0.06));
}
.product-tag {
  position: absolute; top: 24px; right: 26px;
  font-size: 12px; color: var(--muted); letter-spacing: 2px;
  border: 1px solid var(--border); padding: 4px 12px; border-radius: 999px;
}
.product-name { margin-top: 22px; font-size: 26px; font-weight: 800; letter-spacing: 1px; }
.product-en { font-size: 14px; color: var(--muted); font-weight: 600; margin-left: 4px; letter-spacing: 2px; }
.product-slogan { margin-top: 6px; font-size: 15px; color: var(--c1); letter-spacing: 1px; }
.product-desc { margin-top: 14px; color: var(--muted); font-size: 14.5px; line-height: 1.8; }
.product-features { margin: 22px 0 28px; list-style: none; display: grid; gap: 11px; }
.product-features li { font-size: 14px; color: var(--text); opacity: 0.92; display: flex; gap: 10px; line-height: 1.6; }
.product-features i { color: var(--c1); font-style: normal; font-size: 11px; padding-top: 3px; }
.product-btns { margin-top: auto; display: grid; gap: 10px; }
.dl-ico { font-size: 14px; line-height: 1; }

/* ===== 能力卡片 ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { padding: 28px 26px; }
.feature-ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 24px; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--border); }
.feature-card h4 { margin: 16px 0 8px; font-size: 17px; }
.feature-card p { color: var(--muted); font-size: 13.5px; line-height: 1.75; }

/* ===== 统一账号 ===== */
.section-account { max-width: 1000px; }
.account-panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 26px; backdrop-filter: blur(14px);
  padding: 46px 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
  box-shadow: var(--shadow);
}
.orbit { position: relative; height: 320px; display: grid; place-items: center; }
.orbit-ring {
  position: absolute; width: 240px; height: 240px; border-radius: 50%;
  border: 1px dashed rgba(99, 102, 241, 0.45);
  animation: rot 26s linear infinite;
}
.orbit-ring::before {
  content: ""; position: absolute; top: -4px; left: 50%;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c1); box-shadow: 0 0 14px var(--c1);
}
@keyframes rot { to { transform: rotate(360deg); } }
.orbit-core {
  width: 132px; height: 132px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  background: var(--grad); color: #fff; box-shadow: 0 0 60px rgba(99, 102, 241, 0.55);
}
.orbit-core span { font-size: 22px; font-weight: 800; letter-spacing: 2px; }
.orbit-core small { font-size: 11px; opacity: 0.9; letter-spacing: 2px; }
.orbit-node {
  position: absolute;
  background: var(--panel-strong); border: 1px solid var(--border-strong);
  padding: 10px 16px; border-radius: 999px; font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  animation: pulse 3.2s ease-in-out infinite;
}
.node-money { top: 20px; right: 8px; animation-delay: -1.2s; }
.node-leci { bottom: 26px; left: 0; animation-delay: -2.4s; }
.node-jxc { top: 20px; left: 8px; animation-delay: -3.6s; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(0,0,0,.35); }
  50% { box-shadow: 0 8px 34px rgba(34, 211, 238, 0.35); }
}
.account-flow { display: grid; gap: 18px; }
.flow-step { display: flex; gap: 16px; align-items: flex-start; }
.flow-step > b {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--border-strong);
  display: grid; place-items: center; font-size: 15px;
  background: linear-gradient(145deg, rgba(34,211,238,0.16), rgba(167,139,250,0.16));
}
.flow-step p { font-size: 15px; line-height: 1.7; }
.flow-note { margin-top: 8px; padding: 14px 16px; border-radius: 12px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border); color: var(--muted); font-size: 13px; line-height: 1.7; }

/* ===== 访问数据 ===== */
.section-visits { max-width: 1040px; }
.visit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.visit-card {
  position: relative;
  padding: 26px 20px;
  border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  text-align: center; overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.3s ease;
}
.visit-card::before {
  content: ""; position: absolute; inset: 0 auto auto 0; height: 3px; width: 100%;
  background: var(--grad); opacity: 0.85;
}
.visit-card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.visit-card b {
  display: block; font-size: clamp(30px, 4vw, 44px); font-weight: 800; letter-spacing: 1px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums;
}
.visit-card span { display: block; margin-top: 8px; font-size: 13px; color: var(--muted); letter-spacing: 1px; }

/* ===== 联系我们 ===== */
.section-contact { max-width: 980px; }
.contact-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.contact-item {
  display: flex; gap: 14px; align-items: center;
  padding: 20px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.contact-item:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.contact-ico { font-size: 24px; }
.contact-item b { display: block; font-size: 15px; }
.contact-item p { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ===== 页脚 ===== */
.footer { position: relative; z-index: 2; border-top: 1px solid var(--border); background: rgba(5, 7, 13, 0.6); backdrop-filter: blur(12px); }
.footer-inner { max-width: 1180px; margin: 0 auto; padding: 34px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 1px; }
.footer-logo { width: 26px; height: 26px; border-radius: 8px; }
.footer-copy { font-size: 13px; color: var(--muted); }
.footer-links { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.footer-links a:hover { color: var(--c1); }
.footer-links i { font-style: normal; opacity: 0.5; }

/* ===== 弹窗 ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 90;
  display: grid; place-items: center; padding: 20px;
  background: rgba(3, 5, 10, 0.72); backdrop-filter: blur(8px);
  animation: fadeIn 0.25s ease;
}
.modal-overlay[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  position: relative;
  width: 420px; max-width: 100%; max-height: 92vh; overflow-y: auto;
  background: var(--panel-strong); border: 1px solid var(--border-strong);
  border-radius: 22px; padding: 34px 30px 26px;
  box-shadow: var(--shadow); backdrop-filter: blur(20px);
  animation: popIn 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes popIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px; border-radius: 10px;
  background: rgba(255, 255, 255, 0.06); border: 1px solid transparent;
  color: var(--muted); font-size: 14px; transition: 0.2s ease;
}
.modal-close:hover { color: var(--text); background: rgba(255, 255, 255, 0.12); }
.modal-brand { text-align: center; margin-bottom: 20px; }
.modal-brand img { width: 46px; height: 46px; margin: 0 auto 10px; border-radius: 12px; }
.modal-brand h3 { font-size: 20px; letter-spacing: 1px; }
.modal-brand p { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.modal-tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px;
  background: rgba(255, 255, 255, 0.05); padding: 5px; border-radius: 12px; margin-bottom: 22px;
}
.tab {
  border: 0; background: transparent; color: var(--muted);
  font-size: 13.5px; font-weight: 600; padding: 8px 0; border-radius: 9px;
  transition: 0.2s ease;
}
.tab.active { background: var(--grad); color: #fff; box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4); }
.form-pane { display: none; }
.form-pane.active { display: grid; gap: 15px; }
.field { display: grid; gap: 7px; }
.field span { font-size: 12.5px; color: var(--muted); letter-spacing: 0.5px; }
.field input {
  width: 100%; padding: 12px 14px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border); color: var(--text); font-size: 14px;
  outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
}
.field input::placeholder { color: rgba(148, 160, 184, 0.55); }
.field input:focus { border-color: var(--c1); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15); }
.field-row { display: flex; gap: 8px; }
.field-row input { flex: 1; }
.field-row .btn { flex-shrink: 0; padding: 12px 14px; font-size: 13px; }
.form-error { font-size: 12.5px; color: var(--danger); min-height: 18px; line-height: 18px; }
.modal-foot { margin-top: 16px; text-align: center; font-size: 13px; color: var(--muted); }
.modal-foot a { color: var(--c1); cursor: pointer; }
.modal-foot a:hover { text-decoration: underline; }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 120; padding: 12px 22px; border-radius: 12px;
  background: var(--panel-strong); border: 1px solid var(--border-strong);
  color: var(--text); font-size: 14px; box-shadow: var(--shadow);
  animation: toastIn 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(14px);
}
.toast[hidden] { display: none; }
.toast.success { border-color: rgba(34, 211, 238, 0.5); }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ===== 滚动显现 ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ===== 意见反馈 ===== */
.section-feedback { max-width: 860px; }
.feedback-form {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 26px; backdrop-filter: blur(14px);
  padding: 34px 34px 30px; display: grid; gap: 22px;
  box-shadow: var(--shadow);
}
.fb-field { display: grid; gap: 10px; }
.fb-label { font-size: 13px; color: var(--muted); letter-spacing: 0.5px; }
.fb-types { display: flex; flex-wrap: wrap; gap: 10px; }
.fb-type { position: relative; cursor: pointer; }
.fb-type input { position: absolute; opacity: 0; pointer-events: none; }
.fb-type span {
  display: inline-block; padding: 9px 20px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255, 255, 255, 0.04);
  color: var(--muted); font-size: 14px; transition: 0.2s ease; user-select: none;
}
.fb-type:hover span { border-color: var(--border-strong); color: var(--text); }
.fb-type input:checked + span {
  color: #fff; border-color: transparent; background: var(--grad);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
}
.fb-type input:focus-visible + span { box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25); }
.feedback-form textarea {
  width: 100%; min-height: 128px; resize: vertical;
  padding: 14px 16px; border-radius: 14px;
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border);
  color: var(--text); font-size: 14.5px; line-height: 1.7; font-family: inherit;
  outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.feedback-form textarea::placeholder { color: rgba(148, 160, 184, 0.55); }
.feedback-form textarea:focus { border-color: var(--c1); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15); }
.fb-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.fb-error { font-size: 12.5px; color: var(--danger); min-height: 18px; line-height: 18px; }
.fb-count { font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.fb-count b { color: var(--text); }
.fb-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.fb-ok { font-size: 13.5px; color: var(--c1); }

/* ===== 响应式 ===== */
@media (max-width: 920px) {
  .product-grid, .feature-grid { grid-template-columns: 1fr; }
  .account-panel { grid-template-columns: 1fr; padding: 32px 24px; }
  .contact-list { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; gap: 8px; position: absolute; top: 66px; left: 0; right: 0; padding: 18px 24px; background: rgba(5,7,13,0.96); border-bottom: 1px solid var(--border); }
  .nav-links.open a { padding: 10px 0; }
  .nav-toggle { display: flex; }
}
@media (max-width: 560px) {
  .hero { padding-top: 110px; }
  .brand-en { display: none; }
  .nav-actions .btn { padding: 8px 12px; font-size: 13px; }
  .contact-list { grid-template-columns: 1fr; }
  .metric { min-width: 100px; flex: 1; }
}