:root {
  --brand: #f28c3a;
  --brand-dark: #d9701f;
  --brand-light: #fff2e6;
  --ink: #1f2430;
  --ink-soft: #5c6470;
  --bg: #ffffff;
  --bg-alt: #faf7f4;
  --border: #eee2d8;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(31, 36, 48, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-outline { border-color: var(--brand); color: var(--brand-dark); background: #fff; }
.btn-outline:hover { background: var(--brand-light); }
.btn-ghost { color: var(--ink); }
.btn-ghost:hover { color: var(--brand-dark); }
.btn-lg { padding: 14px 30px; font-size: 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 8px; margin-right: auto; }
.brand-logo { width: 32px; height: 32px; object-fit: contain; }
.brand-name { font-weight: 700; font-size: 17px; }
.main-nav { display: flex; gap: 28px; }
.main-nav a { font-size: 14px; color: var(--ink-soft); font-weight: 500; }
.main-nav a:hover { color: var(--brand-dark); }
.header-cta { display: flex; gap: 10px; align-items: center; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); display: block; }

/* Hero */
.hero {
  background: linear-gradient(180deg, #fff8f0 0%, #ffffff 70%);
  padding: 72px 0 60px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.badge {
  display: inline-block;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 42px;
  line-height: 1.3;
  margin: 0 0 18px;
  font-weight: 800;
}
.text-accent { color: var(--brand); }
.hero-desc { color: var(--ink-soft); font-size: 16px; max-width: 520px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.stat strong { display: block; font-size: 26px; color: var(--brand-dark); }
.stat span { font-size: 13px; color: var(--ink-soft); }

.hero-visual { position: relative; height: 380px; }
.hero-deer {
  position: absolute;
  right: 8%;
  bottom: 6%;
  width: 62%;
  opacity: 0.16;
}
.hero-card {
  position: absolute;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-1 { top: 6%; left: 4%; }
.card-2 { top: 42%; right: 2%; }
.card-3 { bottom: 8%; left: 12%; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-green { background: #22c55e; }
.dot-blue { background: #3b82f6; }
.dot-orange { background: var(--brand); }

/* Sections */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.eyebrow {
  display: inline-block;
  color: var(--brand-dark);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.section-head h2 { font-size: 30px; margin: 0 0 14px; font-weight: 800; }
.section-head p { color: var(--ink-soft); font-size: 15px; }

/* Solution grid */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.solution-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--brand-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.solution-item h3 { margin: 0 0 8px; font-size: 17px; }
.solution-item p { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  text-align: center;
}
.feature-icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h4 { margin: 0 0 6px; font-size: 15px; }
.feature-card p { margin: 0; font-size: 13px; color: var(--ink-soft); }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.price-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.price-card h3 { margin: 0; font-size: 17px; }
.price { font-size: 30px; font-weight: 800; color: var(--brand-dark); }
.price span { font-size: 30px; }
.price-card ul { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.price-card li { font-size: 13px; color: var(--ink-soft); padding-left: 18px; position: relative; }
.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--brand);
  font-weight: 700;
}
.price-card-featured { border: 2px solid var(--brand); box-shadow: var(--shadow); }
.price-tag {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--brand);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 700;
}
.price-card-enterprise { background: var(--ink); color: #fff; border-color: var(--ink); }
.price-card-enterprise .price { color: var(--brand); }
.price-card-enterprise li { color: rgba(255,255,255,0.75); }
.price-card-enterprise .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }

/* Agent section */
.agent-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.agent-copy .eyebrow { display: block; }
.agent-copy h2 { font-size: 28px; margin: 0 0 14px; font-weight: 800; }
.agent-copy p { color: var(--ink-soft); margin-bottom: 26px; }
.agent-levels { display: flex; flex-direction: column; gap: 16px; }
.agent-level {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
}
.agent-level h4 { margin: 0 0 4px; color: var(--brand-dark); }
.agent-level p { margin: 0; font-size: 13px; color: var(--ink-soft); }

/* Download */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.download-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}
.download-card h4 { margin: 12px 0 6px; }
.download-card p { color: var(--ink-soft); font-size: 13px; margin-bottom: 18px; }

/* About */
.about-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.about-inner h2 { font-size: 28px; font-weight: 800; margin: 0 0 16px; }
.about-inner p { color: var(--ink-soft); }

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.contact-inner h2 { font-size: 26px; font-weight: 800; margin: 0 0 20px; }
.contact-list { display: flex; flex-direction: column; gap: 14px; }
.contact-list li { font-size: 15px; }
.contact-qrcode { text-align: center; }
.qrcode-placeholder {
  width: 160px;
  height: 160px;
  border: 2px dashed var(--border);
  border-radius: 12px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 12px;
  text-align: center;
  padding: 12px;
}
.contact-qrcode p { color: var(--ink-soft); font-size: 13px; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.7); padding: 44px 0 28px; }
.footer-inner { display: flex; flex-direction: column; gap: 20px; align-items: center; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: #fff; }
.footer-copy p { margin: 4px 0; font-size: 12px; }

/* Back to top */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 88px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  cursor: pointer;
  font-size: 18px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 90;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }

/* Chat bubble */
.chat-bubble { position: fixed; right: 24px; bottom: 24px; z-index: 90; }
.chat-toggle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  border: none;
  font-size: 22px;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.chat-panel {
  display: none;
  position: absolute;
  right: 0;
  bottom: 64px;
  width: 260px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--border);
}
.chat-panel.open { display: block; }
.chat-header { background: var(--brand); color: #fff; padding: 12px 16px; font-weight: 700; font-size: 14px; }
.chat-body { padding: 16px; font-size: 13px; color: var(--ink); }
.chat-footer { padding: 10px 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--ink-soft); }

/* Fade in animation */
.fade-in { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .solution-grid, .feature-grid, .download-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .agent-inner, .contact-inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
  .hero h1 { font-size: 30px; }
  .solution-grid, .feature-grid, .download-grid, .pricing-grid { grid-template-columns: 1fr; }
}

/* ---- 新增：品牌副标题 / 渠道条 / 分栏 / 流程 / 步骤 ---- */
.brand-sub {
  font-size: 12px;
  color: var(--brand-dark);
  background: var(--brand-light);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}
.card-4 { bottom: 34%; left: 0; }
.dot-purple { background: #8b5cf6; }

.channel-strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: #fff; }
.channel-inner { display: flex; align-items: center; gap: 24px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap; }
.channel-label { font-size: 13px; color: var(--ink-soft); font-weight: 600; min-width: 96px; }
.channel-inner-pms { border-top: 1px dashed var(--border); }
.channel-list { display: flex; gap: 10px; flex-wrap: wrap; }
.channel-list li {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-alt);
}

.mini-list { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.mini-list li { font-size: 13px; color: var(--ink-soft); padding-left: 14px; position: relative; }
.mini-list li::before { content: "·"; position: absolute; left: 2px; color: var(--brand); font-weight: 900; }

.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.split-reverse .split-copy { order: 2; }
.split-reverse .split-visual { order: 1; }
.split-copy .eyebrow { display: block; }
.split-copy h2 { font-size: 30px; font-weight: 800; margin: 0 0 14px; line-height: 1.35; }
.split-copy > p { color: var(--ink-soft); margin: 0 0 20px; }

.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-list li { font-size: 14px; color: var(--ink-soft); padding-left: 22px; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 800; }
.check-list strong { color: var(--ink); }

.flow-card, .import-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.flow-step { display: flex; gap: 14px; align-items: flex-start; }
.flow-step b { font-size: 15px; }
.flow-step p { margin: 2px 0 0; font-size: 13px; color: var(--ink-soft); }
.flow-no {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.flow-step-done .flow-no { background: #22c55e; color: #fff; }
.flow-arrow { color: var(--border); font-size: 18px; padding: 4px 0 4px 7px; }

.note-card {
  margin-top: 48px;
  display: flex; gap: 18px; align-items: flex-start;
  background: #fff;
  border: 1px dashed var(--brand);
  border-radius: var(--radius);
  padding: 22px 26px;
}
.note-card .icon-badge { flex: none; margin: 0; }
.note-card h4 { margin: 0 0 4px; font-size: 16px; }
.note-card p { margin: 0; font-size: 14px; color: var(--ink-soft); }

.import-url {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 13px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink-soft);
  margin-bottom: 16px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.import-rows { display: flex; flex-direction: column; }
.import-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.import-row:last-child { border-bottom: none; }
.import-row span { color: var(--ink-soft); }
.import-row b { color: var(--brand-dark); }
.import-tip { margin: 14px 0 0; font-size: 12px; color: var(--ink-soft); }

.feature-card { text-align: left; }

.growth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.growth-col { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.growth-col h3 { margin: 0 0 16px; font-size: 18px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.step-no { font-size: 28px; font-weight: 800; color: var(--brand); }
.step h4 { margin: 8px 0 6px; font-size: 16px; }
.step p { margin: 0; font-size: 13px; color: var(--ink-soft); }

.download-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1100px) {
  .main-nav { gap: 18px; }
  .brand-sub { display: none; }
}
@media (max-width: 960px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split-reverse .split-copy, .split-reverse .split-visual { order: initial; }
  .growth-grid { grid-template-columns: 1fr; }
  .steps, .download-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; padding: 16px 24px; border-bottom: 1px solid var(--border); gap: 16px;
  }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .section { padding: 60px 0; }
  .section-head h2, .split-copy h2 { font-size: 24px; }
  .steps, .download-grid-4 { grid-template-columns: 1fr; }
  .channel-inner { gap: 12px; }
}

.group-title { font-size: 18px; margin: 8px 0 18px; }
.group-title ~ .solution-grid { margin-bottom: 40px; }
.group-foot { text-align: center; color: var(--ink-soft); font-size: 14px; margin: -12px 0 0; }
#growth .growth-col { background: #fff; }
#start .step { background: var(--bg-alt); }
#partner .agent-level { background: var(--bg-alt); }
#download .download-card { background: #fff; }

/* 留资弹窗 */
.contact-cta { margin-top: 24px; }
.lead-modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 16px; }
.lead-modal[hidden] { display: none; }
.lead-mask { position: absolute; inset: 0; background: rgba(31, 36, 48, 0.5); }
.lead-dialog {
  position: relative; width: 100%; max-width: 400px; background: #fff; border-radius: var(--radius);
  padding: 28px 24px 20px; box-shadow: 0 20px 60px rgba(31, 36, 48, 0.25);
  display: flex; flex-direction: column; gap: 12px;
}
.lead-dialog h3 { margin: 0; font-size: 20px; }
.lead-desc { margin: 0 0 4px; font-size: 13px; color: var(--ink-soft); }
.lead-dialog label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; }
.lead-dialog label em { color: #e5484d; font-style: normal; }
.lead-dialog input {
  font: inherit; font-size: 15px; font-weight: 400; padding: 11px 12px;
  border: 1px solid var(--border); border-radius: 10px; outline: none;
}
.lead-dialog input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-light); }
.lead-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.lead-close {
  position: absolute; top: 10px; right: 12px; width: 32px; height: 32px; border: none; background: none;
  font-size: 24px; color: var(--ink-soft); cursor: pointer; line-height: 1;
}
.lead-msg { margin: 0; font-size: 13px; min-height: 18px; }
.lead-msg.is-error { color: #e5484d; }
.lead-msg.is-ok { color: #16a34a; }
.lead-submit { width: 100%; }
.lead-submit:disabled { opacity: 0.7; cursor: default; }
.lead-privacy { margin: 0; font-size: 11px; color: var(--ink-soft); text-align: center; }

/* 电话链接：移动端可直接点击拨打 */
.tel-link {
  white-space: nowrap;
  text-decoration: underline;
  text-decoration-color: rgba(242, 140, 58, 0.45);
  text-underline-offset: 3px;
}
.tel-link:hover { text-decoration-color: var(--brand); }

@media (max-width: 640px) {
  /* 扩大拨号热区至 44px，负 margin 抵消 padding 以保持原有行距 */
  .contact-list .tel-link,
  .chat-footer .tel-link {
    display: inline-block;
    padding: 12px 8px;
    margin: -12px -8px;
  }
}

/* 备案号：需可点击跳转工信部查询 */
.beian-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
  text-underline-offset: 3px;
}
.beian-link:hover { color: #fff; text-decoration-color: rgba(255, 255, 255, 0.8); }
@media (max-width: 640px) {
  .beian-link { display: inline-block; padding: 12px 8px; margin: -12px -8px; }
}

/* 企业微信客服二维码：源图非正方形，contain 保持比例避免变形影响扫码 */
.qrcode-img {
  display: block;
  width: 160px;
  height: 160px;
  margin: 0 auto 12px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  object-fit: contain;
}