:root {
  --primary: #176b57;
  --primary-dark: #0f4f42;
  --primary-light: #e8f5f0;
  --gold: #c9a55b;
  --text: #17211e;
  --muted: #64716d;
  --line: #dfe8e4;
  --bg: #f7faf9;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(24, 73, 61, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(223,232,228,.85);
  backdrop-filter: blur(14px);
}
.nav-wrap { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 21px; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 12px; color: white; background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 20px rgba(23,107,87,.24);
}
.nav { display: flex; align-items: center; gap: 30px; color: #44514d; font-size: 15px; }
.nav a:hover { color: var(--primary); }
.nav-contact { padding: 9px 18px; color: white !important; background: var(--primary); border-radius: 999px; }
.menu-btn { display: none; border: 0; background: transparent; font-size: 26px; color: var(--primary); }

.hero {
  overflow: hidden;
  padding: 88px 0 90px;
  background:
    radial-gradient(circle at 82% 16%, rgba(201,165,91,.16), transparent 28%),
    radial-gradient(circle at 15% 5%, rgba(23,107,87,.11), transparent 30%),
    linear-gradient(180deg, #fbfdfc 0%, #f1f8f5 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .78fr; gap: 86px; align-items: center; }
.eyebrow { display: inline-block; color: var(--primary); font-weight: 700; font-size: 14px; letter-spacing: .08em; }
.hero h1 { margin: 18px 0 20px; font-size: clamp(44px, 6vw, 72px); line-height: 1.12; letter-spacing: -.04em; }
.hero-desc { max-width: 680px; margin: 0; color: var(--muted); font-size: 18px; }
.hero-actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; min-height: 48px; padding: 0 24px; align-items: center; justify-content: center; border-radius: 12px; font-weight: 700; transition: .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: var(--primary); box-shadow: 0 12px 28px rgba(23,107,87,.22); }
.btn-secondary { color: var(--primary); background: white; border: 1px solid #cdded8; }
.btn-light { background: white; color: var(--primary-dark); }
.hero-points { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 28px; }
.hero-points span { padding: 6px 12px; border: 1px solid #d9e8e2; border-radius: 999px; color: #53615d; background: rgba(255,255,255,.7); font-size: 13px; }

.phone-card {
  width: min(390px, 100%); margin-left: auto; padding: 15px 18px 22px;
  border: 8px solid #15342d; border-radius: 38px; background: #f8fbfa; box-shadow: var(--shadow);
}
.phone-top { display: flex; justify-content: space-between; font-size: 11px; font-weight: 700; color: #56615e; padding: 0 7px 11px; }
.app-head { display: flex; justify-content: space-between; align-items: center; margin: 5px 0 18px; }
.app-head small { color: var(--muted); }
.app-head h2 { margin: 1px 0 0; font-size: 27px; }
.avatar { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 14px; color: white; font-weight: 800; background: linear-gradient(145deg, var(--gold), #9f7a33); }
.summary-card { padding: 18px; color: white; background: linear-gradient(145deg, #176b57, #0e4d40); border-radius: 20px; }
.summary-card .tag { display: inline-block; margin-bottom: 8px; padding: 3px 9px; border-radius: 999px; font-size: 11px; background: rgba(255,255,255,.16); }
.summary-card h3 { margin: 0 0 7px; font-size: 17px; }
.summary-card p { margin: 0; color: rgba(255,255,255,.78); font-size: 13px; line-height: 1.6; }
.progress { margin-top: 14px; height: 5px; background: rgba(255,255,255,.2); border-radius: 99px; }
.progress i { display: block; width: 72%; height: 100%; background: #efd48f; border-radius: inherit; }
.quick-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 9px; margin: 15px 0; }
.quick-item { min-height: 76px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 4px; background: white; border: 1px solid #e7eeeb; border-radius: 15px; }
.quick-item b { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; color: var(--primary); background: var(--primary-light); }
.quick-item span { font-size: 11px; color: #596762; }
.insight-card { display: flex; gap: 11px; padding: 14px; background: #fff; border: 1px solid #e3ebe8; border-radius: 16px; }
.insight-icon { flex: 0 0 auto; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; color: white; font-size: 11px; font-weight: 800; background: var(--gold); }
.insight-card strong { font-size: 13px; }
.insight-card p { margin: 3px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.trust-strip { border-top: 1px solid #e5eeea; border-bottom: 1px solid #e5eeea; background: white; }
.trust-grid { min-height: 120px; display: grid; grid-template-columns: repeat(4,1fr); align-items: center; }
.trust-grid div { padding: 15px 28px; border-right: 1px solid #e6ece9; }
.trust-grid div:last-child { border-right: 0; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { color: var(--primary); font-size: 21px; }
.trust-grid span { color: var(--muted); font-size: 14px; }

.section { padding: 100px 0; }
.section-soft { background: var(--bg); }
.section-title { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-title span { color: var(--primary); font-weight: 700; }
.section-title h2, .scene-copy h2, .about-card h2, .cta h2 { margin: 12px 0 14px; font-size: clamp(31px, 4vw, 44px); line-height: 1.25; letter-spacing: -.025em; }
.section-title p, .scene-copy > p, .about-card p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.feature-card { padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: white; transition: .22s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 18px 42px rgba(25,69,58,.09); border-color: #cfe0da; }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 15px; color: var(--primary); background: var(--primary-light); font-weight: 800; }
.feature-card h3 { margin: 0 0 9px; font-size: 21px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 15px; }

.scene-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 80px; align-items: center; }
.scene-copy ul { padding: 0; margin: 28px 0 0; list-style: none; }
.scene-copy li { position: relative; margin: 15px 0; padding-left: 30px; color: #47544f; }
.scene-copy li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--primary); font-size: 12px; }
.scene-panel { position: relative; padding: 18px; border-radius: 28px; background: linear-gradient(145deg, #173f35, #0d2f28); box-shadow: var(--shadow); }
.scene-card { margin: 12px 0; padding: 22px; border-radius: 18px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); color: white; }
.scene-card.active { background: white; color: var(--text); }
.scene-card span { color: var(--gold); font-size: 13px; font-weight: 700; }
.scene-card strong { display: block; margin: 4px 0; font-size: 19px; }
.scene-card p { margin: 0; color: #9eb7af; font-size: 14px; }
.scene-card.active p { color: var(--muted); }

.about-card { display: grid; grid-template-columns: 1.25fr .75fr; gap: 70px; align-items: center; padding: 52px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(135deg, #fff, #f5faf8); }
.notice { padding: 14px 16px; border-left: 3px solid var(--gold); background: #fbf8f0; font-size: 13px; }
.company-box { padding: 30px; text-align: center; border-radius: 22px; color: white; background: linear-gradient(145deg, var(--primary), var(--primary-dark)); }
.company-logo { width: 74px; height: 74px; display: grid; place-items: center; margin: 0 auto 18px; border-radius: 22px; color: #31564d; background: #efd9a5; font-weight: 900; font-size: 20px; }
.company-box h3 { margin: 0 0 22px; font-size: 21px; }
.company-box p { margin: 0; color: rgba(255,255,255,.68); font-size: 13px; }
.company-box a { display: block; margin-top: 5px; font-size: 24px; font-weight: 800; letter-spacing: .04em; }

.cta { padding: 70px 0; color: white; background: linear-gradient(135deg, #0d4d40, #176b57); }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.cta span { color: #efd69c; font-weight: 700; }
.cta h2 { margin-bottom: 0; max-width: 720px; }
.footer { padding: 38px 0; background: #0b2721; color: white; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; }
.footer strong { font-size: 22px; }
.footer p { margin: 4px 0; color: #9ab1aa; font-size: 13px; }
.footer a { color: #d8e8e3; }
.footer-meta { text-align: right; }

@media (max-width: 900px) {
  .hero-grid, .scene-grid, .about-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 52px; }
  .phone-card { margin: 0 auto; }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
  .scene-grid { gap: 42px; }
  .about-card { gap: 36px; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 26px, 1160px); }
  .nav { display: none; position: absolute; left: 13px; right: 13px; top: 72px; padding: 16px; flex-direction: column; align-items: stretch; gap: 6px; border: 1px solid var(--line); border-radius: 15px; background: white; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 10px 12px; }
  .menu-btn { display: block; }
  .hero { padding: 62px 0 64px; }
  .hero h1 { font-size: 42px; }
  .hero-desc { font-size: 16px; }
  .trust-grid { grid-template-columns: repeat(2,1fr); padding: 12px 0; }
  .trust-grid div { border-right: 0; border-bottom: 1px solid #e6ece9; }
  .trust-grid div:nth-last-child(-n+2) { border-bottom: 0; }
  .section { padding: 72px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .about-card { padding: 28px 20px; }
  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }
}