:root {
  color-scheme: light;
  --ink: #15222d;
  --ink-soft: #263846;
  --muted: #667581;
  --line: #e4edf2;
  --paper: #ffffff;
  --bg: #f8fbfb;
  --mint: #4fd2c4;
  --mint-dark: #0f766e;
  --pink: #ff77ad;
  --yellow: #ffd35b;
  --blue: #4a9dff;
  --violet: #8f86ff;
  --shadow: 0 18px 42px rgba(21, 34, 45, .1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button, input, textarea { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(228,237,242,.9);
}
.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 13px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0;
  white-space: nowrap;
}
.brand-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: conic-gradient(from 160deg, var(--mint), var(--pink), var(--yellow), var(--blue), var(--mint));
  box-shadow: inset 0 0 0 4px rgba(255,255,255,.72);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--ink); }
.nav-phone {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  font-weight: 900;
}

.hero {
  min-height: 760px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.92) 31%, rgba(255,255,255,.44) 58%, rgba(255,255,255,.08) 100%),
    url('/assets/hero-popslime.jpg');
  background-size: cover;
  background-position: center;
}
.hero::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 10px;
  background: linear-gradient(90deg, var(--mint), var(--pink), var(--yellow), var(--blue));
}
.hero-inner {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 96px 22px 82px;
  position: relative;
  z-index: 1;
}
.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--mint-dark);
  font-size: 14px;
  font-weight: 900;
}
.eyebrow::before,
.section-kicker::before {
  content: '';
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--mint);
}
h1 {
  max-width: 840px;
  margin: 0;
  font-size: 68px;
  line-height: 1.04;
  letter-spacing: 0;
}
.brand-title-cn { white-space: nowrap; }
.hero-copy {
  max-width: 720px;
  margin: 22px 0 0;
  color: #334555;
  font-size: 20px;
}
.hero-actions,
.manual-toolbar {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: white;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 26px rgba(21,34,45,.14);
}
.btn.secondary {
  background: white;
  color: var(--ink);
  box-shadow: none;
}
.hero-meta {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.86);
  color: #23313d;
  font-size: 14px;
  font-weight: 800;
}
.hero-proof {
  width: min(760px, 100%);
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid rgba(228,237,242,.92);
  border-radius: 8px;
  background: rgba(255,255,255,.84);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-proof div {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}
.hero-proof div:last-child { border-right: 0; }
.hero-proof strong {
  display: block;
  font-size: 24px;
  line-height: 1.2;
}
.hero-proof span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

section { padding: 78px 22px; }
.wrap { max-width: 1180px; margin: 0 auto; }
.band,
.support-band,
.faq-band {
  background: white;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.support-band { background: #f3fbfb; }
.faq-band { background: #fff; }
.geo-band { background: #f8fbfb; }
.section-title {
  max-width: 820px;
  margin: 0 0 28px;
  font-size: 36px;
  line-height: 1.18;
  letter-spacing: 0;
}
.section-lead,
.body-copy,
.seo-text {
  max-width: 850px;
  color: var(--muted);
  font-size: 18px;
}
.section-lead { margin: -12px 0 34px; }
.body-copy { margin: 18px 0 0; }

.intro-layout,
.investment-layout,
.lead-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
  gap: 28px;
  align-items: start;
}
.conversion-panel,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 24px;
  box-shadow: var(--shadow);
}
.conversion-panel h3,
.contact-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
}
.conversion-panel p,
.contact-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.grid,
.support-grid,
.product-grid,
.case-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.support-grid,
.product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card,
.support-card,
.product-card,
.faq-item {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.card,
.support-card,
.product-card {
  min-height: 170px;
  padding: 22px;
}
.card h3,
.support-card h3,
.product-card h3 {
  margin: 0 0 8px;
  font-size: 21px;
}
.card p,
.support-card p,
.product-card p {
  margin: 0;
  color: var(--muted);
}
.support-card {
  border-top: 5px solid var(--mint);
}
.support-card:nth-child(2n) { border-top-color: var(--pink); }
.support-card:nth-child(3n) { border-top-color: var(--yellow); }
.support-card:nth-child(4n) { border-top-color: var(--blue); }
.product-card {
  background: linear-gradient(180deg, #fff 0%, #f9fcfc 100%);
}

.city-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.city-tags span {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  font-weight: 900;
}
.case-gallery figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: white;
  box-shadow: var(--shadow);
}
.case-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.case-gallery figcaption {
  padding: 12px 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  counter-reset: flow;
}
.flow-list li {
  min-height: 96px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 16px;
  font-weight: 900;
}
.flow-list li::before {
  counter-increment: flow;
  content: counter(flow, decimal-leading-zero);
  display: block;
  margin-bottom: 8px;
  color: var(--mint-dark);
  font-size: 14px;
}

.investment-layout {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-item {
  padding: 0;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  font-size: 18px;
  font-weight: 900;
}
.faq-item p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}
.geo-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.geo-copy p {
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink-soft);
}

.contact-band {
  background: var(--ink);
  color: white;
}
.contact-band .section-kicker { color: var(--yellow); }
.contact-band .section-kicker::before { background: var(--yellow); }
.contact-band .section-lead { color: rgba(255,255,255,.78); }
.lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  padding: 22px;
  background: rgba(255,255,255,.04);
}
.lead-form label {
  display: grid;
  gap: 7px;
  color: rgba(255,255,255,.82);
  font-size: 14px;
  font-weight: 800;
}
.lead-form .full,
.lead-form button,
.lead-form .form-note { grid-column: 1 / -1; }
.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px;
  background: rgba(255,255,255,.96);
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
}
.lead-form input:focus,
.lead-form textarea:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255,211,91,.22);
}
.form-note {
  margin: 0;
  color: rgba(255,255,255,.7);
  font-size: 14px;
}
.contact-card {
  background: rgba(255,255,255,.96);
  color: var(--ink);
}
.phone {
  margin: 8px 0 10px;
  font-size: 38px;
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0;
}

.footer {
  padding: 30px 22px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: white;
}
.footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}
.data-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.manual-hero { padding: 64px 22px 44px; background: white; border-bottom: 1px solid var(--line); }
.manual-hero-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: 34px; align-items: center; }
.manual-hero h1 { max-width: 760px; }
.manual-cover { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.manual-cover img { display: block; width: 100%; height: auto; }
.manual-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 30px; }
.manual-summary-item { border: 1px solid var(--line); border-radius: 8px; padding: 16px; background: #fff; }
.manual-summary-item strong { display: block; font-size: 18px; margin-bottom: 4px; }
.manual-summary-item span { color: var(--muted); font-size: 14px; }
.manual-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; counter-reset: step; }
.manual-flow-step { min-height: 88px; border: 1px solid var(--line); border-radius: 8px; padding: 14px; background: #fff; color: #24313b; }
.manual-flow-step::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; color: var(--mint-dark); font-weight: 900; margin-bottom: 6px; }
.manual-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.manual-page-card { position: relative; margin: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: white; }
.manual-page-card img { display: block; width: 100%; height: auto; }
.manual-page-card figcaption { padding: 10px 12px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.manual-current-phone { position: absolute; right: 14px; bottom: 50px; padding: 8px 12px; border-radius: 8px; background: rgba(20,33,43,.94); color: #fff; font-weight: 900; font-size: 15px; box-shadow: 0 8px 20px rgba(20,33,43,.22); }

@media (max-width: 1080px) {
  .nav-links { gap: 12px; font-size: 13px; }
  h1 { font-size: 60px; }
  .support-grid,
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .nav { align-items: flex-start; }
  .nav-links { display: none; }
  .hero {
    min-height: 760px;
    background-image:
      linear-gradient(180deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.88) 48%, rgba(255,255,255,.32) 100%),
      url('/assets/hero-popslime.jpg');
    background-position: 58% center;
  }
  .hero-inner { padding-top: 70px; }
  h1 { font-size: 48px; }
  .hero-copy { font-size: 18px; }
  .hero-proof,
  .grid,
  .case-gallery,
  .intro-layout,
  .investment-layout,
  .lead-layout,
  .geo-copy,
  .manual-hero-layout,
  .manual-summary,
  .manual-grid { grid-template-columns: 1fr; }
  .hero-proof div { border-right: 0; border-bottom: 1px solid var(--line); }
  .hero-proof div:last-child { border-bottom: 0; }
  .section-title { font-size: 31px; }
  .phone { font-size: 30px; }
}

@media (max-width: 560px) {
  section { padding: 58px 18px; }
  .nav { padding-left: 18px; padding-right: 18px; }
  .brand-mark { font-size: 15px; }
  .hero { min-height: 780px; }
  .hero-inner { padding-left: 18px; padding-right: 18px; }
  h1 { font-size: 40px; }
  .hero-actions .btn,
  .manual-toolbar .btn,
  .contact-card .btn { width: 100%; }
  .hero-copy,
  .section-lead,
  .body-copy { font-size: 17px; }
  .support-grid,
  .product-grid,
  .flow-list,
  .manual-flow { grid-template-columns: 1fr; }
  .lead-form { grid-template-columns: 1fr; padding: 18px; }
  .card,
  .support-card,
  .product-card { min-height: auto; }
}