/* ============================================================
   发小记官网样式
   PC / 移动端自适应
   ============================================================ */

:root {
  --ink: #12151c;
  --ink-2: #1b212b;
  --ink-3: #262e3b;
  --paper: #f7f5f0;
  --white: #ffffff;
  --gold: #c99a3f;
  --gold-light: #e8c576;
  --gold-dark: #a97c2b;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-light: #dbeafe;
  --text: #23272f;
  --muted: #6b7280;
  --line: #e8e4dc;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 32px rgba(18, 21, 28, .08);
  --shadow-lg: 0 24px 56px rgba(18, 21, 28, .14);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg { vertical-align: middle; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; }

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #241a05;
  box-shadow: 0 8px 20px rgba(201, 154, 63, .35);
}
.btn-gold:hover { box-shadow: 0 12px 28px rgba(201, 154, 63, .45); }

.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-3); }

.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); }

.btn-ghost {
  background: rgba(255,255,255,.06);
  color: #fff;
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,.14); }

.btn-outline-dark { border-color: var(--ink); color: var(--ink); }
.btn-outline-dark:hover { background: var(--ink); color: #fff; }

.btn-outline-blue { border-color: var(--blue); color: var(--blue); }
.btn-outline-blue:hover { background: var(--blue); color: #fff; }

.btn-outline-gold { border-color: var(--gold); color: var(--gold-dark); }
.btn-outline-gold:hover { background: var(--gold); color: #fff; }

/* ============ 徽标文字 ============ */
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--gold-dark);
  margin-bottom: 12px;
}
.eyebrow.light { color: var(--gold-light); }

/* ============ 顶部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(18, 21, 28, .07);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { display: inline-flex; }
.brand-logo { border-radius: 9px; }
.brand-text {
  font-size: 21px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: .02em;
}
.brand-text small {
  display: block;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .08em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--text);
  border-radius: 8px;
  transition: color .15s ease, background .15s ease;
}
.main-nav a:hover { color: var(--gold-dark); background: rgba(201,154,63,.08); }
.main-nav a.active { color: var(--gold-dark); font-weight: 700; }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}
.main-nav .nav-cta {
  margin-left: 10px;
  padding: 9px 20px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
}
.main-nav .nav-cta:hover { background: var(--ink-3); color: #fff; }

/* 产品二级菜单 */
.nav-item { position: relative; display: inline-flex; }
.nav-item > a { display: flex; align-items: center; gap: 4px; }
.caret { font-style: normal; font-size: 11px; color: #9aa0a8; transition: transform .2s ease; }
.nav-item:hover .caret { transform: rotate(180deg); }
.nav-item.sub-active > a { color: var(--gold-dark); font-weight: 700; }
.submenu {
  position: absolute;
  top: calc(100% + 10px);
  left: 6px;
  min-width: 260px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  z-index: 120;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.nav-item:hover .submenu,
.nav-item.open .submenu {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.submenu a {
  display: flex;
  align-items: center;
  padding: 11px 14px;
  border-radius: 9px;
  font-size: 14px;
  color: var(--text);
}
.submenu a:hover { background: rgba(201,154,63,.1); color: var(--gold-dark); }
.submenu a.active { color: var(--gold-dark); font-weight: 700; background: rgba(201,154,63,.08); }

/* 移动端底部快捷菜单 */
.mobile-bottom-nav { display: none; }

/* 微信洽谈弹窗 */
.wx-modal {
  position: relative;
  background: #fff;
  border-radius: 18px;
  padding: 36px 30px 30px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.wx-modal h3 { font-size: 19px; color: var(--ink); margin-bottom: 8px; }
.wx-sub { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.wx-id-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--paper);
  border: 1.5px dashed var(--gold);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 14px;
}
.wx-id-box b {
  font-size: 18px;
  color: var(--ink);
  letter-spacing: .04em;
  word-break: break-all;
}
.wx-steps {
  text-align: left;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
  margin: 14px 0 18px;
  padding-left: 18px;
}
.wx-steps li::marker { color: var(--gold-dark); }
.wx-modal .btn-block { width: 100%; }
.wx-modal .btn + .btn { margin-top: 10px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

/* ============ 通用区块 ============ */
.section { padding: 88px 0; }
.section-soft { background: var(--paper); }
.section-dark {
  background: linear-gradient(150deg, #10141c 0%, #1a2230 100%);
  color: #e6e9f0;
}
.section-dark h2 { color: #fff; }
.section-dark p { color: #aeb6c4; }

/* 洛洛达产品名醒目显示 */
.ll-title {
  font-size: 42px;
  background: linear-gradient(92deg, #8fc1ff 0%, #ffffff 55%, #8fc1ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #fff;
}

/* 车检端小提示 */
.mini-note {
  max-width: 720px;
  margin: -30px auto 36px;
  text-align: center;
  font-size: 13.5px;
  color: rgba(255,255,255,.62);
  border: 1px dashed rgba(255,255,255,.18);
  border-radius: 999px;
  padding: 7px 20px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 52px;
  text-align: center;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: .01em;
  line-height: 1.3;
}
.section-head p:last-child { margin-top: 14px; color: var(--muted); font-size: 16px; }

h1, h2, h3, h4 { line-height: 1.35; }

/* ============ 首页 Hero ============ */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #fdfbf6 0%, #f7f2e7 55%, #f3ead7 100%);
  padding: 84px 0 96px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(520px 340px at 82% 18%, rgba(201,154,63,.16), transparent 65%),
    radial-gradient(420px 320px at 8% 82%, rgba(37,99,235,.08), transparent 60%);
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
}
.hero-copy h1 {
  font-size: 46px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: .01em;
  line-height: 1.22;
}
.hero-sub {
  margin-top: 20px;
  font-size: 17px;
  color: var(--muted);
  max-width: 540px;
}
.hero-sub strong { color: var(--ink); }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-note {
  margin-top: 18px;
  font-size: 13px;
  color: #8a8172;
}

.hero-visual { display: flex; justify-content: center; }
.hero-duo { gap: 22px; flex-wrap: wrap; }
.hero-duo .mock-phone { transform: scale(.9); transform-origin: center; }
.hero-duo .mock-browser { max-width: 440px; }

/* ============ 首页整屏产品轮播 ============ */
.home-top { padding: 0; }
.hero-carousel {
  position: relative;
  overflow: hidden;
  touch-action: pan-y;
}
.hc-track { display: flex; }
.hc-slide {
  min-width: 100%;
  min-height: 520px;
  display: flex;
  align-items: center;
  color: #fff;
}
.hc-slide.fx {
  background:
    radial-gradient(560px 340px at 86% 16%, rgba(232,197,118,.2), transparent 65%),
    linear-gradient(150deg, #382a10, #191207),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: auto, auto, 46px 46px, 46px 46px;
}
.hc-slide.ll {
  background:
    radial-gradient(560px 340px at 86% 16%, rgba(96,165,250,.22), transparent 65%),
    linear-gradient(150deg, #1a2c52, #0b1323),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: auto, auto, 46px 46px, 46px 46px;
}
.hc-inner {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 48px;
  align-items: center;
}
.hc-product {
  display: inline-block;
  font-size: 44px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.25;
}
.hc-slide.fx .hc-product {
  background: linear-gradient(92deg, #f7e7bd 0%, #e7b75f 60%, #f7e7bd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--gold-light);
}
.hc-slide.ll .hc-product {
  color: #fff;
  text-shadow: 0 0 34px rgba(127, 179, 255, .45);
}
.hc-cat {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  padding: 6px 15px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  border: 1px solid rgba(255,255,255,.24);
  background: rgba(255,255,255,.08);
  margin-bottom: 14px;
}
.hc-slide.fx .hc-cat { color: #f3dcab; }
.hc-slide.ll .hc-cat { color: #a7c8ff; }
.hc-text h3 { font-size: 24px; font-weight: 700; color: #fff; margin: 16px 0 12px; line-height: 1.3; }
.hc-text p { font-size: 16px; color: rgba(255,255,255,.84); max-width: 520px; }
.hc-cta {
  display: inline-block;
  margin-top: 28px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 10px 26px rgba(0,0,0,.18);
}
.hc-slide.fx .hc-cta { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: #241a05; }
.hc-slide.ll .hc-cta { background: var(--blue); color: #fff; }
.hc-cta i {
  font-style: normal;
  display: inline-block;
  margin-left: 2px;
  transition: transform .2s ease;
}
.hc-slide:hover .hc-cta i { transform: translateX(4px); }

/* 幻灯片切换文字动画 */
.hc-text > * {
  opacity: 0;
  transform: translateY(22px);
}
.hc-slide.active .hc-text > * {
  animation: hcFadeUp .65s cubic-bezier(.22,.8,.32,1) forwards;
}
.hc-slide.active .hc-text h3 { animation-delay: .12s; }
.hc-slide.active .hc-text p { animation-delay: .22s; }
.hc-slide.active .hc-text .hc-tags { animation-delay: .3s; }
.hc-slide.active .hc-text .hc-cta { animation-delay: .32s; }
@keyframes hcFadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
.hc-art { display: flex; justify-content: center; }
.hc-art .mock-phone { transform: scale(.96); }
.hc-art .mock-browser { max-width: 480px; }
.hc-art .mock-phone,
.hc-art .shot-browser,
.hc-art .brand-mock,
.hc-art .deploy-box,
.hc-art .mini-card,
.hc-art .mini-receipt,
.hc-art .mini-sms {
  animation: hcFloat 6s ease-in-out infinite;
}
.hc-art .mock-phone {
  box-shadow: 0 34px 80px rgba(0,0,0,.45), 0 0 90px rgba(232,197,118,.12);
}
.hc-art .shot-browser,
.hc-art .brand-mock {
  box-shadow: 0 30px 70px rgba(0,0,0,.42);
}
@keyframes hcFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.deploy-box.ll-art {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
}
.deploy-box.ll-art .db-node { background: rgba(255,255,255,.08); }
.mini-card.ll-art-card {
  background: linear-gradient(150deg, #1d2942, #121b2e);
  border: 1px solid rgba(255,255,255,.12);
}
.hc-prev, .hc-next {
  position: absolute;
  top: 24px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 0;
  cursor: pointer;
  background: rgba(255,255,255,.14);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  z-index: 2;
  transition: background .15s ease;
}
.hc-prev { right: 64px; }
.hc-next { right: 16px; }
.hc-prev:hover, .hc-next:hover { background: rgba(255,255,255,.3); }
.hc-dots {
  position: absolute;
  left: 0; right: 0; bottom: 24px;
  display: flex;
  justify-content: center;
  gap: 9px;
  z-index: 2;
}
.hc-dots span {
  width: 9px; height: 9px;
  border-radius: 999px;
  background: rgba(255,255,255,.35);
  cursor: pointer;
  transition: width .2s ease, background .2s ease;
}
.hc-dots span.on { width: 26px; background: #fff; }

/* 幻灯片内标签 */
.hc-tags {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.hc-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
}
.hc-tag::before {
  content: "✓";
  width: 18px; height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
}
.hc-slide.fx .hc-tag::before { background: rgba(232,197,118,.25); color: var(--gold-light); }
.hc-slide.ll .hc-tag::before { background: rgba(96,165,250,.25); color: #7fb3ff; }

/* ============ 手机界面示意图 ============ */
.mock-phone {
  width: 288px;
  padding: 10px;
  border-radius: 42px;
  background: linear-gradient(160deg, #2b2f38, #14171d);
  box-shadow: 0 34px 70px rgba(18, 21, 28, .38);
  border: 1px solid rgba(255,255,255,.12);
}
.mp-statusbar {
  display: flex;
  justify-content: space-between;
  padding: 6px 14px 8px;
  color: #dfe3ea;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
}
.mp-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px 10px;
  color: #fff;
}
.mp-ava {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #241a05;
  font-weight: 800;
}
.mp-head strong { display: block; font-size: 15px; }
.mp-head small { font-size: 10.5px; color: #9aa2b0; }
.mp-bell {
  margin-left: auto;
  font-size: 11px;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
}
.mp-card {
  margin: 0 12px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, #2c2010, #4a3413);
  color: #f6ecd8;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.mp-card-top { display: flex; justify-content: space-between; align-items: center; font-size: 12px; }
.mp-card-tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(232,197,118,.22);
  color: var(--gold-light);
}
.mp-card-name { margin-top: 10px; font-size: 13px; }
.mp-card-balance { margin-top: 2px; font-size: 13px; color: #cdb686; }
.mp-card-balance b { font-size: 24px; color: var(--gold-light); margin-left: 2px; }
.mp-card-num { margin-top: 4px; font-size: 10.5px; color: #a99b80; }
.mp-actions { display: flex; gap: 10px; padding: 14px 12px; }
.mp-btn {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
}
.mp-btn.solid { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: #241a05; }
.mp-btn.ghost { border: 1px solid rgba(255,255,255,.22); color: #dfe3ea; }
.mp-list { margin: 0 12px; padding: 12px; border-radius: 16px; background: rgba(255,255,255,.06); }
.mp-list-title { font-size: 11.5px; color: #9aa2b0; margin-bottom: 8px; }
.mp-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 2px;
  border-top: 1px solid rgba(255,255,255,.07);
  font-size: 12px;
  color: #e6e9f0;
}
.mp-amount { color: var(--gold-light); font-weight: 600; }
.mp-ok { color: #4ade80; font-size: 11px; }
.mp-nav {
  display: flex;
  justify-content: space-around;
  padding: 12px 8px 6px;
  font-size: 11px;
  color: #8d95a3;
}
.mp-nav .on { color: var(--gold-light); font-weight: 700; }

/* 手机模型内嵌真实 App 截图 */
.mp-img {
  display: block;
  width: calc(100% - 20px);
  margin: 0 10px;
  height: 420px;
  object-fit: cover;
  object-position: top;
  border-radius: 14px;
  background: #fff;
}

/* ============ 信任条 ============ */
.trust { background: var(--ink); }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 26px 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #fff;
  border-right: 1px solid rgba(255,255,255,.12);
}
.trust-item:last-child { border-right: 0; }
.trust-item b { font-size: 16px; font-weight: 700; }
.trust-item span { font-size: 12.5px; color: #aab3c0; }

/* ============ 产品双卡 ============ */
.product-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.product-card {
  position: relative;
  border-radius: 22px;
  padding: 40px 36px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.product-card.gold {
  background: linear-gradient(160deg, #fffdf8, #f6edd9);
  border: 1px solid #efe3c4;
}
.product-card.blue {
  background: linear-gradient(160deg, #f8faff, #e8effc);
  border: 1px solid #d8e3f8;
}
.pc-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.product-card.gold .pc-tag { background: rgba(201,154,63,.16); color: var(--gold-dark); }
.product-card.blue .pc-tag { background: rgba(37,99,235,.12); color: var(--blue-dark); }
.product-card h3 { font-size: 27px; font-weight: 800; color: var(--ink); }
.pc-desc { margin: 12px 0 20px; color: var(--muted); font-size: 15px; min-height: 64px; }
.product-card ul li {
  position: relative;
  padding: 7px 0 7px 26px;
  font-size: 15px;
  color: var(--text);
}
.product-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 7px;
  width: 18px; height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
}
.product-card.gold ul li::before { background: rgba(201,154,63,.18); color: var(--gold-dark); }
.product-card.blue ul li::before { background: rgba(37,99,235,.14); color: var(--blue); }
.pc-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

/* ============ 产品总览页 ============ */
.product-page-grid { display: grid; gap: 30px; }

/* ============ 价格页 ============ */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  max-width: 980px;
  margin: 0 auto;
}
.pricing-card {
  border-radius: 22px;
  padding: 40px 36px;
  box-shadow: var(--shadow);
}
.pricing-card.gold {
  background: linear-gradient(160deg, #fffdf8, #f6edd9);
  border: 1px solid #efe3c4;
}
.pricing-card.blue {
  background: linear-gradient(160deg, #f8faff, #e8effc);
  border: 1px solid #d8e3f8;
}
.pricing-card h2 { font-size: 24px; color: var(--ink); margin: 14px 0 10px; }
.pricing-price { font-size: 17px; font-weight: 800; color: var(--gold-dark); margin-bottom: 10px; }
.pricing-card.blue .pricing-price { color: var(--blue); }
.pricing-price b { font-size: 40px; color: var(--ink); letter-spacing: -.02em; }
.pricing-price span { font-size: 15px; color: var(--muted); font-weight: 600; }
.pricing-desc { color: var(--muted); font-size: 14.5px; margin-bottom: 18px; }
.pricing-card .check-list li { color: var(--text); font-size: 14.5px; padding-top: 5px; padding-bottom: 5px; }
.pricing-card.gold .check-list li::before { background: rgba(201,154,63,.16); color: var(--gold-dark); }
.pricing-card.blue .check-list li::before { background: rgba(37,99,235,.13); color: var(--blue); }
.pricing-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.product-page-card {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.product-page-card.gold {
  background: linear-gradient(165deg, #fffdf8, #f3e8cf);
  border: 1px solid #efe3c4;
}
.product-page-card.blue {
  background: linear-gradient(165deg, #f8faff, #e6eefc);
  border: 1px solid #d8e3f8;
}
.ppc-head { padding: 44px 46px 0; }
.ppc-head h2 { font-size: 30px; font-weight: 800; color: var(--ink); margin: 4px 0 6px; }
.ppc-slogan {
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-dark);
  letter-spacing: .04em;
  margin-bottom: 12px;
}
.product-page-card.blue .ppc-slogan { color: var(--blue-dark); }
.ppc-head > p:last-child { color: var(--muted); font-size: 15px; max-width: 620px; }
.ppc-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  padding: 28px 46px 46px;
}
.ppc-features .check-list li { color: var(--text); font-size: 14.5px; padding-top: 5px; padding-bottom: 5px; }
.product-page-card.gold .check-list li::before { background: rgba(201,154,63,.16); color: var(--gold-dark); }
.product-page-card.blue .check-list li::before { background: rgba(37,99,235,.13); color: var(--blue); }
.ppc-actions { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.ppc-visual { display: flex; justify-content: center; }

/* ============ 三步流程 ============ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  counter-reset: step;
}
.steps.two { grid-template-columns: repeat(2, 1fr); }
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: var(--shadow);
  position: relative;
}
.step-num {
  display: inline-block;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.step h3 { font-size: 20px; color: var(--ink); margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* ============ 功能卡片 ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card h3 { font-size: 18px; color: var(--ink); margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--muted); }
.card.center { text-align: center; }
.card.plain { box-shadow: none; }
.card.blue-top { border-top: 4px solid var(--blue); }
.ll-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  color: #e6e9f0;
  box-shadow: none;
}
.ll-card:hover { border-color: rgba(255,255,255,.22); }
.ll-card h3 { color: #fff; }
.ll-card p { color: #aeb6c4; }

.card-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 800;
  color: var(--gold-dark);
  background: rgba(201,154,63,.14);
  margin-bottom: 16px;
}

/* ============ 左右分栏（深色区） ============ */
.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.split-copy h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.split-copy > p { margin-bottom: 20px; color: #aeb6c4; }
.check-list li {
  position: relative;
  padding: 7px 0 7px 30px;
  color: inherit;
  font-size: 15px;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 7px;
  width: 20px; height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(201,154,63,.18);
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 800;
}
.split-copy .btn { margin-top: 18px; }
.split-visual { display: flex; justify-content: center; }

/* ============ 浏览器示意图 ============ */
.mock-browser {
  width: 100%;
  max-width: 520px;
  border-radius: 16px;
  overflow: hidden;
  background: #f4f6fb;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 30px 60px rgba(0,0,0,.4);
}
.mb-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #e8ebf2;
  padding: 10px 14px;
}
.mb-bar span { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.mb-bar span:nth-child(2) { background: #febc2e; }
.mb-bar span:nth-child(3) { background: #28c840; }
.mb-bar i {
  flex: 1;
  margin-left: 10px;
  font-style: normal;
  font-size: 11.5px;
  color: #6b7280;
  background: #fff;
  border-radius: 999px;
  padding: 4px 14px;
  text-align: center;
}
.mb-body { display: flex; min-height: 250px; }
.mb-side {
  width: 112px;
  background: #202a3a;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mb-menu {
  font-size: 11px;
  color: #9fb0c7;
  padding: 7px 10px;
  border-radius: 7px;
}
.mb-menu.on { background: rgba(37,99,235,.9); color: #fff; font-weight: 600; }
.mb-main { flex: 1; padding: 14px; }
.mb-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
.mb-stat {
  background: #fff;
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(16,24,40,.06);
}
.mb-stat b { display: block; font-size: 15px; color: var(--blue-dark); }
.mb-stat span { font-size: 10px; color: var(--muted); }
.mb-chart {
  background: #fff;
  border-radius: 10px;
  padding: 12px;
  box-shadow: 0 2px 8px rgba(16,24,40,.06);
}
.mb-chart p { font-size: 11px; color: var(--muted); margin-bottom: 8px; }
.bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 74px;
}
.bars i {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #60a5fa, var(--blue));
  min-height: 8px;
}

/* ============ 角色网格 ============ */
.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.role {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.role b { display: block; font-size: 17px; color: var(--ink); margin-bottom: 6px; }
.role span { font-size: 13.5px; color: var(--muted); }

/* ============ 部署示意 ============ */
.deploy-box {
  width: 100%;
  max-width: 460px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 30px 26px;
}
.db-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 18px;
}
.db-row i {
  width: 18px;
  height: 1.5px;
  background: rgba(255,255,255,.3);
  position: relative;
}
.db-node {
  font-size: 12.5px;
  color: #dfe6f0;
  background: #2a3444;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  padding: 10px 14px;
  white-space: nowrap;
}
.db-note {
  text-align: center;
  font-size: 12px;
  color: #8fa0b8;
  border-top: 1px dashed rgba(255,255,255,.15);
  padding-top: 16px;
  margin: 0;
}

/* ============ CTA ============ */
.cta {
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  padding: 58px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-inner h2 { color: #241a05; font-size: 27px; font-weight: 800; }
.cta-inner p { color: rgba(36,26,5,.78); margin-top: 6px; font-size: 15px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .btn-ghost { color: #241a05; border-color: rgba(36,26,5,.4); }
.cta .btn-ghost:hover { background: rgba(36,26,5,.1); }

/* ============ 承诺（分产品描述） ============ */
.promise-block { margin-bottom: 46px; }
.promise-block:last-child { margin-bottom: 0; }
.promise-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
}
.promise-head.gold { border-color: rgba(201,154,63,.38); }
.promise-head.blue { border-color: rgba(37,99,235,.32); }
.promise-head h3 { font-size: 21px; font-weight: 800; color: var(--ink); }
.promise-head h3::before {
  content: "";
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: 3px;
}
.promise-head.gold h3::before { background: var(--gold); }
.promise-head.blue h3::before { background: var(--blue); }
.promise-head span { font-size: 13.5px; color: var(--muted); }

/* 产品板块高亮条与持续迭代链接 */
.highlight-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  text-align: center;
  max-width: 860px;
  margin: 0 auto 36px;
  padding: 16px 26px;
  border-radius: 14px;
}
.highlight-strip.gold {
  background: linear-gradient(135deg, #fbf3e0, #f5e7c4);
  border: 1px solid #eeddb4;
  color: #4a3610;
}
.highlight-strip.blue {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  color: #dfe6f0;
}
.highlight-strip strong { font-size: 17px; font-weight: 800; }
.highlight-strip.gold strong { color: var(--gold-dark); }
.highlight-strip.blue strong { color: #7fb3ff; }
.highlight-strip span { font-size: 14px; opacity: .85; }
.iter-link {
  text-align: center;
  margin-top: 24px;
  font-size: 13.5px;
  color: var(--muted);
}
.iter-link a {
  color: var(--gold-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.iter-link.light a { color: var(--gold-light); }

/* 说明框（车检端等） */
.note-box {
  max-width: 860px;
  margin: 28px auto 0;
  padding: 18px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.note-box b { color: var(--ink); font-size: 15px; }
.note-box p { color: var(--muted); font-size: 14px; margin-top: 6px; }

/* 版权与盗版声明 */
.copyright-line {
  max-width: 760px;
  margin: 24px auto 0;
  text-align: center;
  color: var(--muted);
}
.copyright-line strong {
  display: block;
  font-size: 14.5px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}
.copyright-line p {
  font-size: 12.5px;
  line-height: 1.8;
}

/* ============ 页脚 ============ */
.site-footer {
  background: #0e1117;
  color: #9aa3b2;
  padding: 64px 0 30px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand-light .brand-text { color: #fff; }
.footer-brand p { margin-top: 14px; max-width: 300px; }
.footer-icp { color: #6f7888; font-size: 12.5px; }
.footer-col h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  color: #9aa3b2;
  transition: color .15s ease;
}
.footer-col a:hover { color: var(--gold-light); }
.footer-col p { padding: 4px 0; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 24px;
  font-size: 13px;
  color: #6f7888;
}
.footer-bottom a:hover { color: var(--gold-light); }

/* ============ 内页 Hero ============ */
.page-hero {
  padding: 76px 0 72px;
  background: linear-gradient(160deg, #fdfbf6, #f3ead7);
}
.page-hero.gold-hero { background: linear-gradient(160deg, #fdfaf2, #f1e3c4); }
.page-hero.blue-hero { background: linear-gradient(160deg, #f5f8ff, #dce8fc); }
.page-hero-inner { max-width: 860px; }
.page-hero h1 {
  font-size: 40px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.25;
}
.page-hero p:not(.eyebrow) {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16.5px;
  max-width: 680px;
}
.page-hero .hero-actions { margin-top: 28px; }
.blue-hero .eyebrow { color: var(--blue); }
.blue-hero .btn-ghost { color: var(--blue-dark); border-color: rgba(37,99,235,.4); }
.blue-hero .btn-ghost:hover { background: var(--blue); color: #fff; }

/* 版权声明条 */
.owned-strip {
  background: var(--ink);
  color: #cfd6e0;
  padding: 18px 0;
  font-size: 14px;
  text-align: center;
}
.owned-strip strong { color: var(--gold-light); font-weight: 700; }

/* ============ 产品页特性行 ============ */
.feature-row {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.feature-row.reverse .feature-visual { order: -1; }
.feat-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--gold-dark);
  background: rgba(201,154,63,.13);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.feature-copy h2 { font-size: 30px; font-weight: 800; color: var(--ink); margin-bottom: 14px; }
.feature-copy > p { color: var(--muted); font-size: 15.5px; margin-bottom: 18px; }
.feature-copy .check-list { color: var(--text); }
.feature-copy .check-list li::before { background: rgba(201,154,63,.16); color: var(--gold-dark); }
.feature-visual { display: flex; justify-content: center; }

/* 特性行小卡片 */
.mini-card, .mini-receipt, .mini-sms, .mini-profile {
  width: 100%;
  max-width: 360px;
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.mini-card {
  background: linear-gradient(150deg, #2c2010, #523a16);
  color: #f6ecd8;
}
.mc-label { font-size: 12.5px; color: #c7b182; }
.mc-name { font-size: 26px; font-weight: 800; margin-top: 8px; color: var(--gold-light); }
.mc-meta { font-size: 13.5px; color: #cdb686; margin-top: 4px; }
.mc-price { font-size: 22px; font-weight: 800; margin-top: 16px; }
.mc-btn {
  display: inline-block;
  margin-top: 18px;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #241a05;
  font-size: 14px;
  font-weight: 700;
}
.mini-receipt { background: #fff; border: 1px solid var(--line); }
.mr-title { font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.mr-line {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
}
.mr-line.total { border-bottom: 0; font-weight: 700; }
.mr-line b { color: var(--gold-dark); }
.mr-ok { margin-top: 8px; font-size: 12.5px; color: #16a34a; }
.mini-sms { background: #fff; border: 1px solid var(--line); }
.ms-from { font-weight: 700; color: var(--ink); font-size: 14px; }
.ms-body {
  margin-top: 12px;
  padding: 16px;
  background: var(--paper);
  border-radius: 12px;
  font-size: 14px;
  color: var(--text);
}
.ms-time { margin-top: 10px; font-size: 12px; color: var(--muted); text-align: right; }
.mini-profile { background: #fff; border: 1px solid var(--line); }
.mpf-name { font-size: 21px; font-weight: 800; color: var(--ink); }
.mpf-name span {
  font-size: 11.5px;
  color: var(--gold-dark);
  background: rgba(201,154,63,.14);
  padding: 3px 10px;
  border-radius: 999px;
  vertical-align: 4px;
  margin-left: 8px;
}
.mpf-bar {
  height: 10px;
  background: #efe9de;
  border-radius: 999px;
  margin: 18px 0 10px;
  overflow: hidden;
}
.mpf-bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--gold-light), var(--gold)); }
.mpf-meta { font-size: 12.5px; color: var(--muted); }
.mpf-chips { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.mpf-chips span {
  font-size: 12px;
  color: var(--text);
  background: var(--paper);
  border-radius: 999px;
  padding: 5px 12px;
}

/* ============ FAQ ============ */
.faq {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  color: var(--ink);
  font-size: 15.5px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq summary::after {
  content: "+";
  font-size: 22px;
  color: var(--gold);
  font-weight: 400;
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 14.5px;
}

/* ============ 下载页 ============ */
.dl-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.dl-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 44px 38px;
  box-shadow: var(--shadow);
}
.dl-icon { margin-bottom: 18px; }
.dl-card h2 { font-size: 24px; color: var(--ink); }
.dl-meta { margin-top: 8px; font-size: 14px; color: var(--muted); }
.dl-note { margin: 14px 0 24px; font-size: 14.5px; color: var(--muted); }
.dl-tip { margin-top: 16px; font-size: 12.5px; color: #8a8172; }

/* 在线演示卡片 */
.demo-card {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  max-width: 980px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.demo-main {
  background:
    radial-gradient(360px 220px at 90% 10%, rgba(96,165,250,.22), transparent 65%),
    linear-gradient(160deg, #1a2c52, #0e1830);
  color: #fff;
  padding: 42px 38px;
}
.demo-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #7fb3ff;
  background: rgba(96,165,250,.14);
  border: 1px solid rgba(96,165,250,.3);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.demo-main h3 { font-size: 26px; margin: 12px 0 18px; }
.demo-ready { color: #cbd5e1; margin: 10px 0 16px; }
.demo-address {
  font-size: 14px;
  color: #cbd5e1;
  margin: 6px 0 12px;
  word-break: break-all;
}
.demo-address a {
  color: #7fb3ff;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.demo-account {
  display: inline-block;
  margin-top: 14px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  font-size: 13px;
  color: #e6eaf1;
}
.demo-note { font-size: 13px; color: #9fb0c7; margin-top: 18px; line-height: 1.7; }

/* 驾校页在线演示条 */
.demo-strip-sec {
  background: linear-gradient(135deg, #f5f8ff, #e8effc);
  border-bottom: 1px solid #d8e3f8;
}
.demo-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  flex-wrap: wrap;
}
.ds-label {
  flex: none;
  font-size: 12.5px;
  font-weight: 800;
  color: var(--blue-dark);
  background: rgba(37,99,235,.1);
  border-radius: 999px;
  padding: 4px 12px;
}
.ds-url {
  color: var(--blue);
  font-size: 14.5px;
  font-weight: 600;
  word-break: break-all;
}
.ds-url:hover { text-decoration: underline; }
.demo-strip .btn { margin-left: auto; }
.demo-scenes { padding: 42px 38px; }
.demo-scenes h3 { font-size: 18px; color: var(--ink); margin-bottom: 14px; }
.demo-scenes .check-list li { color: var(--text); font-size: 14.5px; padding-top: 5px; padding-bottom: 5px; }
.demo-scenes .check-list li::before { background: rgba(37,99,235,.13); color: var(--blue); }
.steps-list { margin: 18px 0 26px; }
.steps-list li {
  counter-increment: li;
  position: relative;
  padding: 9px 0 9px 36px;
  font-size: 14.5px;
  color: var(--text);
}
.steps-list li::before {
  content: counter(li);
  position: absolute;
  left: 0; top: 8px;
  width: 24px; height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(201,154,63,.16);
  color: var(--gold-dark);
  font-size: 12.5px;
  font-weight: 800;
}
.steps-list b { color: var(--ink); }
.steps-list { counter-reset: li; }
.qr-box {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--paper);
  border-radius: 14px;
  padding: 16px 18px;
}
.qr {
  width: 92px; height: 92px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(7, 1fr);
  gap: 2px;
  padding: 6px;
}
.qr i { background: #1b212b; border-radius: 1px; }
.qr i:nth-child(3n) { background: transparent; }
.qr i:nth-child(5n+2) { background: transparent; }
.qr i:nth-child(7n+4) { background: #1b212b; }
.qr-box p { font-size: 13px; color: var(--muted); }
.qr-box p b { color: var(--ink); font-size: 15px; }

/* ============ 关于我们 ============ */
.origin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  max-width: 980px;
  margin: 0 auto;
}
.origin {
  border-radius: 20px;
  padding: 34px 32px;
  box-shadow: var(--shadow);
}
.origin.gold {
  background: linear-gradient(160deg, #fffdf8, #f6edd9);
  border: 1px solid #efe3c4;
}
.origin.blue {
  background: linear-gradient(160deg, #f8faff, #e8effc);
  border: 1px solid #d8e3f8;
}
.origin-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 16px;
}
.origin.gold .origin-ic { background: rgba(201,154,63,.16); color: var(--gold-dark); }
.origin.blue .origin-ic { background: rgba(37,99,235,.12); color: var(--blue); }
.origin h3 { font-size: 20px; color: var(--ink); margin-bottom: 12px; }
.origin p { color: var(--muted); font-size: 14.5px; }

/* 时间线 */
.timeline {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding: 8px 0 20px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  transform: translateX(-50%);
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--blue) 100%);
  opacity: .5;
}
.t-item {
  position: relative;
  width: 50%;
  padding: 0 44px 46px;
}
.t-item:nth-child(odd) { left: 0; text-align: right; }
.t-item:nth-child(even) { left: 50%; text-align: left; }
.t-item:last-child { padding-bottom: 0; }
.t-num {
  position: absolute;
  top: 0;
  width: 46px; height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  box-shadow: 0 6px 16px rgba(201,154,63,.35);
  z-index: 1;
}
.t-item:nth-child(odd) .t-num { right: -23px; }
.t-item:nth-child(even) .t-num { left: -23px; }
.t-item:nth-child(4) .t-num,
.t-item:nth-child(3) .t-num { background: linear-gradient(135deg, #7fb3ff, var(--blue)); box-shadow: 0 6px 16px rgba(37,99,235,.35); }
.t-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
  text-align: left;
  transition: transform .2s ease, box-shadow .2s ease;
}
.t-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.t-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 10px; }
.t-card p { color: var(--muted); font-size: 14.5px; }
.pull-quote {
  max-width: 640px;
  margin: 54px auto 0;
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.6;
  color: var(--ink);
}
.pull-quote::before {
  content: "“";
  display: block;
  font-size: 54px;
  line-height: .4;
  color: var(--gold);
  margin-bottom: 18px;
}
.legal-note {
  text-align: center;
  font-size: 12.5px;
  color: #9aa0a8;
  padding: 0 0 56px;
}
.about-brand {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: var(--shadow);
}
.about-brand img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 14px;
}
.about-brand h2 { font-size: 22px; color: var(--ink); }
.about-brand p { color: var(--muted); font-size: 13.5px; margin-top: 2px; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.about-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: var(--shadow);
}
.about-block h2 { font-size: 20px; color: var(--ink); margin-bottom: 14px; }
.about-block p { color: var(--muted); font-size: 14.5px; margin-bottom: 12px; }
.about-block p:last-child { margin-bottom: 0; }
.about-block .check-list li { color: var(--text); }
.about-block .check-list li::before { background: rgba(201,154,63,.16); color: var(--gold-dark); }
.badge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.badge {
  border: 1px dashed #d8c9a3;
  background: #fdfaf3;
  border-radius: 12px;
  padding: 16px;
}
.badge b { display: block; font-size: 14.5px; color: var(--ink); }
.badge span { font-size: 12.5px; color: var(--muted); }

/* ============ 联系页 ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: start;
}
.contact-form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 40px 36px;
  box-shadow: var(--shadow);
}
.contact-form-card h2 { font-size: 24px; color: var(--ink); }
.form-hint { color: var(--muted); font-size: 13.5px; margin: 8px 0 24px; }
.field { display: block; margin-bottom: 18px; }
.field > span { display: block; font-size: 13.5px; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.field em { color: #dc2626; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,154,63,.14);
}
.field input.invalid, .field textarea.invalid { border-color: #dc2626; }
.mobile-app-bar { display: none; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.chip { position: relative; flex: 1 1 auto; min-width: 0; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: block;
  text-align: center;
  padding: 10px 12px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--text);
  background: #fff;
  cursor: pointer;
  transition: all .15s ease;
}
.chip input:checked + span {
  border-color: var(--gold);
  background: rgba(201,154,63,.1);
  color: var(--gold-dark);
  font-weight: 700;
}
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
}
.form-msg { margin-top: 14px; font-size: 14px; font-weight: 600; min-height: 22px; }
.form-msg.ok { color: #16a34a; }
.form-msg.err { color: #dc2626; }

/* 顶部提交提示条 */
.site-toast {
  position: fixed;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  max-width: calc(100vw - 36px);
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 12px 32px rgba(16, 24, 40, .22);
  opacity: 1;
  transition: opacity .3s ease, transform .3s ease;
}
.site-toast.ok { background: linear-gradient(135deg, #16a34a, #15803d); }
.site-toast.err { background: linear-gradient(135deg, #dc2626, #b91c1c); }
.site-toast.hide { opacity: 0; transform: translateX(-50%) translateY(-8px); }

.contact-info { display: grid; gap: 16px; }
.ci-qr {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 20px;
}
.ci-qr img {
  width: 74px;
  height: 74px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 3px;
}
.ci-qr b { font-size: 15px; color: var(--ink); }
.ci-qr p { font-size: 13.5px; color: var(--muted); }
.ci-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
}
.ci-ic {
  width: 44px; height: 44px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(201,154,63,.14);
  color: var(--gold-dark);
  font-weight: 800;
}
.ci-item b { font-size: 15px; color: var(--ink); }
.ci-item p { font-size: 14px; color: var(--muted); }
.ci-note {
  background: var(--paper);
  border-radius: 14px;
  padding: 22px;
  font-size: 13.5px;
  color: var(--muted);
}
.ci-note h3 { font-size: 15px; color: var(--ink); margin-bottom: 8px; }
.ci-note p { margin-bottom: 8px; }
.ci-note a { color: var(--gold-dark); text-decoration: underline; }

/* ============ 隐私政策正文 ============ */
.legal {
  max-width: 820px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 48px 46px;
  box-shadow: var(--shadow);
}
.legal h2 {
  font-size: 19px;
  color: var(--ink);
  margin: 28px 0 10px;
}
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-size: 15.5px; color: var(--ink); margin: 18px 0 6px; }
.legal p {
  color: var(--muted);
  font-size: 14.5px;
  margin-bottom: 12px;
}

/* ============ 授权协议页 ============ */
.license-section { padding-top: 40px; }
.license-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.license-tabs .js-tab {
  border: 1.5px solid var(--line);
  background: #fff;
  cursor: pointer;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--muted);
  font-family: inherit;
  transition: all .15s ease;
}
.license-tabs .js-tab:hover { color: var(--gold-dark); }
.license-tabs .js-tab:hover { border-color: var(--gold); }
.license-tabs .js-tab.active {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border-color: transparent;
  color: #241a05;
}
.license-panel { display: none; }
.license-panel.active { display: block; animation: hcFadeUp .35s ease; }

/* 官方文件（PDF 式） */
.doc-paper {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #e3e0d8;
  border-radius: 6px;
  box-shadow: 0 10px 34px rgba(16, 24, 40, .08);
  padding: 56px 64px 46px;
  font-family: "Songti SC", "SimSun", "STSong", "Noto Serif SC", serif;
  color: #1f2937;
}
.doc-head { position: relative; text-align: center; margin-bottom: 30px; }
.btn-print {
  position: absolute;
  top: -12px;
  right: 0;
  font-family: var(--font);
}
.doc-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.55;
  color: #111827;
  margin: 0;
}
.doc-meta {
  margin-top: 12px;
  font-size: 13px;
  color: #6b7280;
  letter-spacing: .04em;
}
.doc-head::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: #c9a15f;
  margin-top: 18px;
}
.doc-body h2 { font-size: 18px; margin: 26px 0 10px; color: #111827; }
.doc-body h3 { font-size: 15.5px; margin: 22px 0 6px; color: #111827; }
.doc-body p {
  font-size: 15px;
  line-height: 2;
  text-align: justify;
  color: #374151;
  margin: 0 0 6px;
}
.doc-sign {
  margin-top: 34px;
  border-top: 1px solid #e5e2da;
  padding-top: 22px;
  font-size: 15px;
  line-height: 2.2;
}
.doc-sign p { margin: 2px 0; }
.doc-sign-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.doc-sign-col { min-width: 0; }
.ds-title {
  font-size: 15.5px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 10px;
}
.doc-sign-col p { margin: 4px 0; }
.doc-foot {
  margin-top: 28px;
  border-top: 1px solid #eee;
  padding-top: 14px;
  font-size: 13px;
  color: #6b7280;
  line-height: 1.8;
}
.doc-foot p { margin: 2px 0; }
.license-foot {
  max-width: 820px;
  margin: 34px auto 0;
  text-align: center;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.8;
}

/* 打印授权协议 */
@media print {
  .site-header, .site-footer, .cta, .site-toast,
  .license-tabs, .btn-print { display: none !important; }
  .license-panel { display: block !important; }
  .license-panel:not(.active) { display: none !important; }
  body { background: #fff; }
  .section { padding: 0; }
  .license-section { padding: 0; }
  .doc-paper {
    box-shadow: none;
    border: 0;
    border-radius: 0;
    max-width: 100%;
    padding: 0;
  }
  .doc-head::after { height: 1.5px; }
  .doc-title { font-size: 22px; }
  .doc-body p { font-size: 14px; line-height: 1.9; }
  .license-foot { margin-top: 20px; }
}

/* ============ 更新记录页（博客风） ============ */
.blog-hero { padding-bottom: 48px; }
.blog-section { padding-top: 56px; }
.chg-tabs {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.chg-tabs a {
  padding: 9px 24px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--muted);
  background: #fff;
  transition: all .15s ease;
}
.chg-tabs a:hover { border-color: var(--gold); color: var(--gold-dark); }
.chg-tabs a.on {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border-color: transparent;
  color: #241a05;
}
.blog-list {
  max-width: 800px;
  margin: 0 auto;
}
.blog-post {
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}
.blog-post:first-child { padding-top: 6px; }
.blog-post:last-child { border-bottom: 0; padding-bottom: 12px; }
.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.blog-meta time { font-size: 13px; color: var(--muted); letter-spacing: .04em; }
.chg-badge {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
}
.chg-badge.faxiaoji { background: rgba(201,154,63,.16); color: var(--gold-dark); }
.chg-badge.luoluoda { background: rgba(37,99,235,.12); color: var(--blue-dark); }
.blog-ver {
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-dark);
  background: rgba(201,154,63,.12);
  padding: 3px 10px;
  border-radius: 999px;
}
.blog-post h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  margin: 16px 0 12px;
  line-height: 1.4;
}
.blog-post h2 a { color: var(--ink); transition: color .15s ease; }
.blog-post h2 a:hover { color: var(--gold-dark); }
.blog-excerpt {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 12px;
}
.chg-more {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-dark);
}
.chg-more:hover { text-decoration: underline; }

/* 更新记录列表时间轴 */
.tl-list {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}
.tl-list::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), var(--blue));
  opacity: .35;
}
.tl-item {
  position: relative;
  padding: 28px 0 28px 48px;
  border-bottom: 0;
}
.tl-item:first-child { padding-top: 8px; }
.tl-item:last-child { padding-bottom: 8px; }
.tl-item + .tl-item { border-top: 1px dashed var(--line); }
.tl-item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 40px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(201,154,63,.14);
  z-index: 1;
}
.tl-item .blog-meta time {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
.chg-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.chg-pagination a, .chg-pagination span {
  min-width: 38px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  text-align: center;
}
.chg-pagination a:hover { border-color: var(--gold); color: var(--gold-dark); }
.chg-pagination .cur { background: var(--ink); color: #fff; border-color: var(--ink); }

/* 更新记录详情页 */
.chg-back {
  display: inline-block;
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}
.chg-back:hover { color: var(--gold-dark); }
.chg-article {
  max-width: 800px;
  margin: 0 auto;
}
.chg-article h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.4;
  margin: 18px 0 26px;
}
.article-content {
  color: #3f4652;
  font-size: 15.5px;
  line-height: 1.95;
}
.article-content p { margin: 0 0 14px; }
.article-content ul {
  margin: 0 0 14px;
  padding-left: 22px;
  list-style: disc;
}
.article-content li { margin: 4px 0; }
.article-content strong { color: var(--ink); }
.article-content code {
  font-family: "SFMono-Regular", Consolas, "Courier New", monospace;
  font-size: 13.5px;
  background: #f1f2f4;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: 1px 6px;
  color: #be185d;
  white-space: nowrap;
}

/* 代码块 */
.code-block {
  position: relative;
  background: #0f172a;
  border-radius: 10px;
  margin: 16px 0;
  padding: 14px 16px;
  overflow-x: auto;
}
.code-block pre { margin: 0; }
.code-block code {
  font-family: "SFMono-Regular", Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #e2e8f0;
  background: none;
  border: 0;
  padding: 0;
  white-space: pre;
}
.code-lang {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 11px;
  color: #94a3b8;
}
.copy-code {
  position: absolute;
  top: 8px;
  right: 12px;
  border: 0;
  background: rgba(255,255,255,.12);
  color: #cbd5e1;
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.copy-code:hover { background: rgba(255,255,255,.22); }
.copy-code.ok { color: #4ade80; }
.code-block .code-lang + .copy-code { right: auto; left: 12px; }

.chg-empty {
  text-align: center;
  color: var(--muted);
  padding: 60px 0;
  font-size: 15px;
}

/* ============ App 截图画廊 ============ */
.app-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.app-shot {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.app-shot img {
  width: 100%;
  height: 320px;
  object-fit: contain;
  display: block;
  background: #fff;
}
.app-shot p {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  padding: 12px 10px;
  border-top: 1px solid var(--line);
}

/* 驾校系统 PC 截图（浏览器框） */
.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.shot-browser {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.shot-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: #eef1f5;
}
.shot-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #ff5f57;
}
.shot-bar span:nth-child(2) { background: #febc2e; }
.shot-bar span:nth-child(3) { background: #28c840; }
.shot-bar i {
  flex: 1;
  margin-left: 10px;
  font-style: normal;
  font-size: 11.5px;
  color: #6b7280;
  background: #fff;
  border-radius: 999px;
  padding: 4px 14px;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.shot-browser img {
  width: 100%;
  display: block;
  height: auto;
  object-fit: contain;
  background: #fff;
}
.shot-browser figcaption {
  text-align: center;
  font-size: 12.5px;
  color: var(--muted);
  padding: 10px;
  border-top: 1px solid var(--line);
}

/* 品牌定制示意图 */
.brand-mock { width: 100%; max-width: 460px; }
.bm-browser {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #fff;
  margin-bottom: 16px;
}
.bm-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
}
.bm-line b { font-size: 16px; color: var(--ink); }
.bm-line span {
  font-size: 12px;
  color: var(--muted);
  background: var(--paper);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.bm-phones {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.bm-phone {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 8px;
  text-align: center;
  box-shadow: var(--shadow);
}
.bm-phone i {
  display: block;
  font-style: normal;
  font-weight: 800;
  color: var(--blue-dark);
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bm-phone span { font-size: 11.5px; color: var(--muted); }

/* 大数据实时看板 */
.live-section { border-top: 1px solid rgba(255,255,255,.06); }
.live-note { font-size: 12.5px; color: #8d95a3; margin-top: 14px; }
.live-dash {
  width: 100%;
  max-width: 460px;
  background:
    radial-gradient(300px 200px at 85% 0%, rgba(96,165,250,.14), transparent 60%),
    linear-gradient(160deg, #131c2e, #0c1422);
  border: 1px solid rgba(127,179,255,.18);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 30px 70px rgba(0,0,0,.45);
}
.ld-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.ld-head b { font-size: 14.5px; color: #fff; }
.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  color: #4ade80;
}
.live-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: livePulse 1.6s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,.5); }
  50% { opacity: .7; box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}
.ld-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.ld-stat {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 10px;
  padding: 12px 8px;
  text-align: center;
}
.ld-stat span { display: block; font-size: 11.5px; color: #8fa0b8; margin-bottom: 4px; }
.ld-stat b {
  font-size: 24px;
  font-weight: 800;
  color: #7fb3ff;
  font-variant-numeric: tabular-nums;
}
.ld-feed {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 12px 14px;
}
.ld-feed-title { font-size: 12px; color: #8fa0b8; margin-bottom: 8px; }
.ld-feed ul { list-style: none; }
.ld-feed li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: #cbd5e1;
  padding: 5px 0;
  border-bottom: 1px dashed rgba(255,255,255,.07);
  opacity: 0;
  transition: opacity .4s ease;
}
.ld-feed li:last-child { border-bottom: 0; }
.ld-feed li.show { opacity: 1; }
.ld-tag {
  flex: none;
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}
.ld-tag.student { background: rgba(96,165,250,.16); color: #93c5fd; }
.ld-tag.coach { background: rgba(232,197,118,.16); color: #f3dcab; }
.ld-tag.driver { background: rgba(52,211,153,.14); color: #6ee7b7; }
.ld-tag.parent { background: rgba(196,181,253,.14); color: #c4b5fd; }
.ld-tag.boss { background: rgba(248,113,113,.14); color: #fca5a5; }
.ld-time { margin-left: auto; flex: none; font-size: 11px; color: #64748b; }

/* 图片点击放大（灯箱） */
.js-lightbox { cursor: zoom-in; }
.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(10, 12, 16, .9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.lb-overlay img {
  max-width: 94vw;
  max-height: 90vh;
  border-radius: 10px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55);
}
.lb-close {
  position: absolute;
  top: 18px;
  right: 26px;
  width: 44px; height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.14);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
}
.lb-close:hover { background: rgba(255,255,255,.3); }

/* 在线演示弹窗 */
.demo-modal-overlay { cursor: default; }
.demo-modal {
  position: relative;
  background: #fff;
  border-radius: 18px;
  padding: 38px 34px 34px;
  max-width: 430px;
  width: 100%;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
  text-align: center;
}
.demo-modal h3 {
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 18px;
  line-height: 1.5;
}
.dm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0;
  padding: 10px 0;
  border-bottom: 1px solid #f1f2f4;
  font-size: 14px;
  color: var(--text);
  text-align: left;
}
.dm-label { color: var(--muted); flex: none; }
.dm-row b { color: var(--gold-dark); font-size: 16px; word-break: break-all; text-align: right; }
.dm-row a { color: var(--blue); word-break: break-all; text-align: right; }
.demo-modal .btn { margin-top: 22px; }

/* 奖状示例图 */
.award-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  max-width: 430px;
}
.award-item {
  background: #fff;
  border-radius: 14px;
  padding: 10px;
  box-shadow: var(--shadow-lg);
}
.award-item img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}
.award-item figcaption {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding-top: 8px;
}

/* 手机模型只显示截图 */
.mock-phone.phone-only { padding: 10px; }
.mock-phone.phone-only .mp-img {
  width: 100%;
  margin: 0;
  height: 560px;
  border-radius: 26px;
}

/* ============ 奖状示意图 ============ */
.cert-card {
  width: 100%;
  max-width: 400px;
  background:
    radial-gradient(circle at 12% 14%, rgba(255,255,255,.16), transparent 38%),
    linear-gradient(150deg, #a3272b, #7c1d20 60%, #5f1417);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 18px;
  padding: 40px 34px 30px;
  text-align: center;
  color: #f7ead2;
  box-shadow: 0 30px 60px rgba(0,0,0,.42);
  position: relative;
}
.cert-card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1.5px solid rgba(247,234,210,.35);
  border-radius: 12px;
  pointer-events: none;
}
.cert-head { font-size: 13px; letter-spacing: .22em; color: #e9d3a0; }
.cert-name {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: .08em;
  margin: 16px 0 8px;
  color: #fff;
}
.cert-meta { font-size: 13px; color: #e9d3a0; }
.cert-qr {
  width: 96px;
  height: 96px;
  margin: 20px auto 10px;
  background: #fff;
  border-radius: 8px;
  padding: 8px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 4px;
}
.cert-qr span { background: #26221a; border-radius: 2px; }
.cert-qr span:nth-child(2n) { background: #fff; }
.cert-qr span:nth-child(5) { background: #26221a; }
.cert-note { font-size: 11.5px; color: #e9d3a0; margin: 0; }

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .hero-copy h1 { font-size: 40px; }
  .hero-inner { grid-template-columns: 1fr 0.9fr; gap: 32px; }
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 28px; }
  .hero { padding: 60px 0 72px; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy .eyebrow { display: inline-block; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { margin-top: 28px; }
  .hero-duo { flex-direction: column; }
  .hero-duo .mock-phone { transform: none; }
  .hc-slide { min-height: 460px; }
  .hc-inner { grid-template-columns: 1fr; gap: 24px; }
  .hc-art { display: none; }
  .hc-product { font-size: 30px; }
  .hc-text h3 { font-size: 21px; }
  .hc-text p { font-size: 15px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .trust-item { border-right: 0; justify-content: flex-start; padding: 6px 12px; }
  .product-cards, .dl-grid, .contact-grid, .split, .feature-row { grid-template-columns: 1fr; }
  .feature-row.reverse .feature-visual { order: 0; }
  .split { gap: 40px; }
  .split-copy { text-align: left; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .steps, .steps.two { grid-template-columns: 1fr; }
  .role-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-row { gap: 40px; }
  .app-gallery { grid-template-columns: repeat(2, 1fr); }
  .shot-grid { grid-template-columns: repeat(2, 1fr); }
  .ppc-body { grid-template-columns: 1fr; gap: 28px; padding: 20px 26px 34px; }
  .ppc-head { padding: 34px 26px 0; }
  .pricing-grid { grid-template-columns: 1fr; }
  .origin-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 22px; }
  .t-item, .t-item:nth-child(odd), .t-item:nth-child(even) {
    width: 100%;
    left: 0;
    text-align: left;
    padding: 0 0 40px 64px;
  }
  .t-item .t-num {
    left: 0;
    right: auto;
  }
  .pull-quote { font-size: 22px; }
}

@media (max-width: 720px) {
  .header-inner { height: 60px; }
  .nav-toggle { display: flex; }
  body { padding-bottom: 62px; }
  body.kb-open { padding-bottom: 210px; }
  body.kb-open .mobile-bottom-nav { display: none; }
  /* 联系页：手机端隐藏封面与电话微信信息，聚焦表单 */
  .contact-hero { display: none; }
  .contact-grid .contact-info { display: none; }
  /* 联系页 App 化 */
  .page-contact .site-header { display: none; }
  .page-contact .mobile-app-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 90;
    height: 52px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    margin: 0 -24px;
    padding: 0 24px;
  }
  .page-contact .app-back {
    position: absolute;
    left: 8px;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--text);
  }
  .page-contact .mobile-app-bar span { font-size: 16px; font-weight: 700; color: var(--ink); }
  .contact-section { padding-top: 0; background: #f5f6f8; min-height: 100vh; }
  .contact-form-card {
    box-shadow: none;
    border: 0;
    background: transparent;
    padding: 18px 2px 8px;
  }
  .form-hint { margin-bottom: 16px; }
  .field {
    background: #fff;
    border: 1.5px solid var(--line);
    border-radius: 14px;
    padding: 12px 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 3px rgba(16,24,40,.05);
  }
  .field:focus-within { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,154,63,.12); }
  .field > span { margin-bottom: 4px; }
  .field input[type="text"], .field input[type="tel"], .field textarea, .field select {
    border: 0;
    padding: 8px 0;
    background: transparent;
    box-shadow: none;
  }
  .field textarea { min-height: 120px; }
  .chips { margin-top: 2px; }
  .chip span { background: transparent; }
  .submit-wrap {
    position: sticky;
    bottom: 76px;
    z-index: 5;
    padding: 14px 2px 8px;
    background: linear-gradient(180deg, rgba(245,246,248,0) 0%, #f5f6f8 55%);
  }
  body.kb-open .submit-wrap { bottom: 14px; }
  .submit-wrap .btn { min-height: 50px; font-size: 16px; border-radius: 14px; }
  .form-msg { text-align: center; }
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 58px;
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--line);
    z-index: 150;
  }
  .mbn-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    border: 0;
    background: none;
    font-family: inherit;
    font-size: 11.5px;
    color: var(--muted);
    cursor: pointer;
    padding: 6px 4px;
  }
  .mbn-item svg { width: 21px; height: 21px; }
  .mbn-item.active { color: var(--gold-dark); font-weight: 600; }
  .mbn-item.active svg { color: var(--gold); }
  .main-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 18px;
    gap: 4px;
    box-shadow: var(--shadow);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 10px; border-radius: 10px; }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { background: rgba(201,154,63,.1); }
  .main-nav .nav-cta { margin: 8px 0 0; text-align: center; }
  .nav-item { width: 100%; flex-direction: column; align-items: stretch; }
  .nav-item > a { width: 100%; }
  .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    min-width: 0;
    padding: 2px 0 4px 14px;
    display: block;
  }
  .submenu a { padding: 10px 12px; }
  .hero-copy h1 { font-size: 32px; }
  .hero-sub { font-size: 15.5px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero { padding: 52px 0 52px; }
  .product-card { padding: 30px 24px; }
  .pc-desc { min-height: 0; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .dl-card, .contact-form-card, .legal { padding: 30px 22px; }
  .demo-card { grid-template-columns: 1fr; }
  .demo-main, .demo-scenes { padding: 32px 26px; }
  .about-grid { grid-template-columns: 1fr; }
  .mock-phone { width: 252px; }
  .mock-browser { max-width: 420px; }
  .mb-side { width: 96px; }
  .blog-post { padding: 34px 0; }
  .blog-post h2 { font-size: 22px; }
  .chg-article h1 { font-size: 25px; }
  .article-content { font-size: 15px; }
  .tl-list::before { left: 9px; }
  .tl-item { padding-left: 36px; }
  .tl-item::before { left: 2px; width: 14px; height: 14px; }

  /* 移动端协调优化 */
  .section { padding: 52px 0; }
  .section-head { margin-bottom: 30px; }
  .section-head h2 { font-size: 25px; }
  .page-hero h1 { font-size: 27px; }
  .page-hero { padding: 44px 0 44px; }
  .feature-copy h2 { font-size: 24px; }
  .brand-text { font-size: 19px; }
  .brand-text small { font-size: 10px; }
  .btn { min-height: 44px; }
  .cta-inner h2 { font-size: 22px; }
  .hc-slide { min-height: 440px; }
  .hc-text { display: flex; flex-direction: column; align-items: center; text-align: center; }
  .hc-cat { align-self: center; font-size: 11px; padding: 5px 12px; }
  .hc-text p { max-width: 460px; }
  .hc-tags { justify-content: center; }
  .hc-cta { align-self: center; }
  .hc-prev, .hc-next { top: 14px; width: 34px; height: 34px; font-size: 19px; }
  .hc-prev { right: 56px; }
  .hc-next { right: 14px; }
  .hc-dots { bottom: 16px; }
  .card { padding: 24px 20px; }
  .card-ic { width: 42px; height: 42px; }
  .step { padding: 26px 22px; }
  .origin { padding: 26px 22px; }
  .mock-phone.phone-only .mp-img { height: 520px; }
  .field input, .field select, .field textarea { font-size: 16px; }
  .contact-form-card { padding: 26px 20px; }
  .ci-item { padding: 14px 16px; }
  .promise-head { flex-direction: column; align-items: flex-start; gap: 4px; }
  .promise-head h3 { font-size: 19px; }
  .note-box { padding: 14px 16px; }
  .award-grid { max-width: 320px; }
  .chg-tabs a { padding: 8px 14px; font-size: 13.5px; }
  .demo-main h3 { font-size: 22px; }
  .site-footer { padding: 44px 0 24px; }
  .about-brand { padding: 20px 22px; }
  .highlight-strip { padding: 14px 18px; }
  .mini-note { border-radius: 14px; padding: 8px 14px; line-height: 1.7; }
  /* 移动端页脚只保留备案号与版权 */
  .site-footer { padding: 26px 0 22px; }
  .site-footer .footer-grid { display: none; }
  .footer-bottom {
    border-top: 0;
    padding-top: 0;
    justify-content: center;
    text-align: center;
  }
  .license-tabs { margin-bottom: 26px; }
  .doc-paper { padding: 40px 24px 34px; }
  .doc-title { font-size: 21px; }
  .btn-print { position: static; margin-bottom: 18px; }
  .doc-sign-cols { grid-template-columns: 1fr; gap: 26px; }

  /* 产品界面图片：手机端横向滑动展示 */
  .app-gallery, .shot-grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    gap: 14px;
    margin-left: -18px;
    margin-right: -18px;
    padding: 0 18px 12px;
    scrollbar-width: none;
  }
  .app-gallery::-webkit-scrollbar,
  .shot-grid::-webkit-scrollbar { display: none; }
  .app-gallery .app-shot,
  .shot-grid .shot-browser {
    flex: 0 0 74%;
    scroll-snap-align: center;
  }
  .app-shot img { height: 380px; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .hc-slide { min-height: 400px; }
  .hc-product { font-size: 25px; }
  .hc-text h3 { font-size: 20px; }
  .hc-text p { font-size: 14.5px; }
  .hc-tags { gap: 10px; }
  .hc-tag { padding: 7px 14px; font-size: 13px; }
  .card-grid, .card-grid.four, .role-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { justify-content: center; text-align: center; flex-direction: column; gap: 4px; border-bottom: 1px solid rgba(255,255,255,.1); padding: 14px 8px; }
  .trust-item:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .badge-grid { grid-template-columns: 1fr; }
  .mb-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-actions .btn { flex: 1; }
  .pc-actions .btn, .cta-actions .btn { flex: 1; }
  .dl-card { padding: 26px 20px; }
  .app-shot img { height: 340px; }
  .page-contact .mobile-app-bar { margin: 0 -18px; padding: 0 18px; }

  /* 小屏协调优化 */
  .section { padding: 44px 0; }
  .section-head h2 { font-size: 23px; }
  .page-hero h1 { font-size: 25px; }
  .hc-slide { min-height: 440px; }
  .hc-product { font-size: 24px; }
  .hc-text h3 { font-size: 19px; }
  .hc-text p { font-size: 14px; }
  .hc-cta { padding: 11px 24px; font-size: 14px; margin-top: 20px; }
  .hc-dots span { width: 8px; height: 8px; }
  .hc-dots span.on { width: 20px; }
  .trust-item { padding: 12px 6px; }
  .footer-bottom p { font-size: 12px; }
  .footer-col a, .footer-col p { font-size: 13.5px; }
  .app-shot img { max-height: 420px; }
  .steps-list li { font-size: 14px; }
  .blog-content { font-size: 15px; }
  .pull-quote { font-size: 20px; }
  .origin-ic { width: 42px; height: 42px; }
  .legal { padding: 24px 18px; }
  .demo-main, .demo-scenes { padding: 26px 20px; }
  .ppc-head { padding: 26px 20px 0; }
  .ppc-body { padding: 16px 20px 28px; }
  .doc-paper { padding: 30px 18px 26px; }
  .doc-title { font-size: 19px; }
  .doc-meta { font-size: 12px; }
  .bm-phones { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}