:root {
  --ink: #10243f;
  --ink-soft: #53657b;
  --blue: #245fd8;
  --blue-deep: #123b7a;
  --ice: #edf4ff;
  --paper: #f7f9fc;
  --white: #ffffff;
  --line: rgba(16, 36, 63, 0.12);
  --gold: #d7a84a;
  --green: #2d9b76;
  --shadow: 0 28px 80px rgba(26, 61, 112, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, a { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.site-header {
  width: min(1180px, calc(100% - 48px));
  height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 10;
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { width: 40px; height: 40px; display: block; border-radius: 11px; object-fit: cover; }
.brand-name { font-size: 21px; font-weight: 750; letter-spacing: .06em; }
.brand-en { color: #8491a2; font-size: 11px; font-weight: 700; letter-spacing: .18em; }

.site-nav { display: flex; align-items: center; gap: 36px; color: #526276; font-size: 14px; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: var(--blue); }
.nav-cta {
  border: 0;
  border-radius: 999px;
  padding: 11px 20px;
  color: var(--white);
  background: var(--ink);
}

.hero {
  width: min(1180px, calc(100% - 48px));
  min-height: 680px;
  margin: 0 auto;
  padding: 86px 0 110px;
  display: grid;
  grid-template-columns: .93fr 1.07fr;
  align-items: center;
  gap: 68px;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 22px; color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.eyebrow span { display: inline-block; width: 28px; height: 2px; margin: 0 9px 4px 0; background: currentColor; }
.hero h1 {
  max-width: 600px;
  margin: 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(54px, 6vw, 84px);
  line-height: 1.06;
  letter-spacing: -.06em;
  font-weight: 700;
}
.hero-lead { max-width: 540px; margin: 30px 0 0; color: var(--ink-soft); font-size: 18px; line-height: 1.9; }
.hero-actions { margin-top: 38px; display: flex; align-items: center; gap: 30px; }
.button {
  min-height: 52px;
  padding: 0 25px;
  border: 0;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  font-weight: 650;
  transition: transform .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--blue); box-shadow: 0 16px 35px rgba(36, 95, 216, .24); }
.text-link { color: var(--ink); font-size: 14px; font-weight: 650; }
.text-link span { margin-left: 8px; color: var(--blue); }
.trust-row { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 20px; color: #77879a; font-size: 12px; }
.trust-row span::before { content: "✓"; margin-right: 7px; color: var(--green); font-weight: 800; }

.product-stage { min-height: 520px; position: relative; display: grid; place-items: center; }
.stage-glow {
  position: absolute;
  inset: 6% 0 0 8%;
  border-radius: 52% 48% 46% 54%;
  background: radial-gradient(circle at 38% 35%, #e5f0ff, #dbe7f7 56%, transparent 70%);
  filter: blur(2px);
}
.project-panel {
  width: min(480px, 88%);
  padding: 28px;
  position: relative;
  z-index: 2;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 20px;
  background: rgba(255,255,255,.91);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  transform: rotate(1.5deg);
}
.panel-topbar { display: flex; justify-content: space-between; padding-bottom: 23px; border-bottom: 1px solid var(--line); color: #718095; font-size: 12px; }
.panel-brand b { margin-right: 8px; color: var(--ink); font-size: 15px; }
.panel-date { letter-spacing: .12em; }
.recommendation-label { margin-top: 28px; color: var(--green); font-size: 12px; font-weight: 750; }
.recommendation-label span { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(45,155,118,.1); }
.project-panel h2 { max-width: 390px; margin: 14px 0 18px; font-size: 25px; line-height: 1.45; }
.project-meta { display: flex; flex-wrap: wrap; gap: 10px; color: #718095; font-size: 12px; }
.project-meta span { padding-right: 10px; border-right: 1px solid var(--line); }
.project-meta strong { color: var(--blue); }
.score-row { margin-top: 25px; padding: 20px; display: flex; gap: 18px; align-items: center; border-radius: 13px; background: var(--ice); }
.score { flex: 0 0 auto; display: flex; align-items: baseline; gap: 5px; }
.score b { color: var(--blue); font-size: 35px; }
.score small { color: #72849a; font-size: 10px; }
.score-row p { margin: 0; color: #51657f; font-size: 12px; line-height: 1.7; }
.insight-grid { margin-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.insight-grid div { padding: 13px 10px; border: 1px solid var(--line); border-radius: 9px; }
.insight-grid span, .insight-grid b { display: block; }
.insight-grid span { color: #8491a2; font-size: 9px; }
.insight-grid b { margin-top: 6px; font-size: 12px; }
.floating-card { position: absolute; z-index: 3; padding: 14px 17px; border: 1px solid rgba(255,255,255,.85); border-radius: 13px; background: rgba(255,255,255,.93); box-shadow: 0 18px 45px rgba(23, 57, 105, .13); }
.floating-card-left { left: -2%; bottom: 12%; display: flex; align-items: center; gap: 11px; }
.floating-card-left b, .floating-card-left small, .floating-card-right small, .floating-card-right b { display: block; }
.floating-card-left b, .floating-card-right b { font-size: 12px; }
.floating-card-left small, .floating-card-right small { margin-bottom: 4px; color: #8794a5; font-size: 9px; }
.floating-icon { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--green); }
.floating-card-right { right: -1%; top: 15%; }
.floating-card-right b { color: var(--blue); font-size: 17px; }

.value-strip { padding: 46px 24px; text-align: center; color: #718095; background: var(--white); border-block: 1px solid var(--line); }
.value-strip p { margin: 0 0 8px; font-size: 13px; }
.value-strip strong { color: var(--ink); font-family: "Songti SC", "STSong", serif; font-size: clamp(24px, 3vw, 34px); }
.section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 130px 0; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 55px; }
.section-heading .eyebrow { align-self: flex-start; margin-top: 13px; }
.section-heading h2, .workflow h2, .final-cta h2 { margin: 0; font-family: "Songti SC", "STSong", serif; font-size: clamp(38px, 5vw, 58px); line-height: 1.25; letter-spacing: -.04em; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.capability-card { min-height: 430px; padding: 27px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 14px; background: var(--white); overflow: hidden; }
.card-index { color: #9aa6b6; font-size: 11px; letter-spacing: .1em; }
.capability-card h3 { margin: auto 0 12px; font-size: 22px; }
.capability-card p { margin: 0; color: #738196; line-height: 1.75; font-size: 14px; }
.featured-card { background: #edf4ff; }
.dark-card { color: var(--white); background: var(--ink); }
.dark-card p, .dark-card .card-index { color: #a9b8cb; }
.radar-visual { width: 225px; height: 225px; margin: 30px auto 20px; position: relative; border: 1px solid rgba(36,95,216,.12); border-radius: 50%; }
.radar-visual::before, .radar-visual::after, .radar-visual i { content: ""; position: absolute; border: 1px solid rgba(36,95,216,.17); border-radius: 50%; }
.radar-visual::before { inset: 27px; }
.radar-visual::after { inset: 61px; }
.radar-visual i:nth-child(1) { width: 9px; height: 9px; left: 58px; top: 57px; background: var(--blue); box-shadow: 0 0 0 8px rgba(36,95,216,.1); }
.radar-visual i:nth-child(2) { width: 6px; height: 6px; right: 47px; top: 102px; background: var(--gold); }
.radar-visual i:nth-child(3) { width: 7px; height: 7px; left: 101px; bottom: 42px; background: var(--green); }
.radar-visual b { position: absolute; inset: 49%; border-left: 80px solid rgba(36,95,216,.17); border-top: 22px solid transparent; border-bottom: 22px solid transparent; transform-origin: left center; transform: rotate(-40deg); }
.quote-visual { width: 170px; height: 170px; margin: 58px auto 30px; display: grid; place-items: center; border-radius: 36% 64% 55% 45%; color: var(--blue); background: var(--ice); font-family: Georgia, serif; font-size: 52px; font-style: italic; font-weight: 700; }
.decision-visual { margin: 78px 0 40px; padding: 22px; display: flex; align-items: center; justify-content: space-between; border: 1px solid rgba(255,255,255,.13); border-radius: 11px; background: rgba(255,255,255,.05); }
.decision-visual b { color: #70d2b1; font-size: 14px; }
.decision-visual i { font-family: Georgia, serif; color: var(--white); font-size: 50px; font-style: normal; }

.workflow { width: 100%; max-width: none; padding: 120px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; color: var(--white); background: var(--blue-deep); }
.eyebrow.light { color: #8eb3ff; }
.workflow-copy > p:not(.eyebrow) { max-width: 440px; margin: 25px 0 35px; color: #bdcce0; line-height: 1.8; }
.button-light { color: var(--ink); background: var(--white); }
.workflow-list { margin: 0; padding: 0; list-style: none; }
.workflow-list li { padding: 27px 0; display: grid; grid-template-columns: 68px 1fr; border-bottom: 1px solid rgba(255,255,255,.15); }
.workflow-list li:first-child { border-top: 1px solid rgba(255,255,255,.15); }
.workflow-list li > span { color: #7292bd; font-family: Georgia, serif; font-size: 14px; }
.workflow-list b { font-size: 19px; }
.workflow-list p { margin: 8px 0 0; color: #aebfd5; font-size: 13px; }
.final-cta { padding: 140px 24px; text-align: center; background: var(--white); }
.final-cta .eyebrow { margin-bottom: 24px; }
.final-cta h2 { margin-bottom: 36px; }

.site-footer { padding: 38px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 32px; color: #8b98a8; background: var(--white); border-top: 1px solid var(--line); font-size: 12px; }
.footer-brand .brand-logo { width: 34px; height: 34px; border-radius: 9px; }
.footer-brand .brand-name { font-size: 18px; }

.qr-dialog { width: min(420px, calc(100% - 32px)); padding: 42px; border: 0; border-radius: 20px; color: var(--ink); text-align: center; box-shadow: 0 35px 100px rgba(9, 26, 48, .36); }
.qr-dialog::backdrop { background: rgba(8, 23, 43, .68); backdrop-filter: blur(6px); }
.dialog-close { width: 36px; height: 36px; position: absolute; top: 15px; right: 15px; border: 0; border-radius: 50%; color: #7e8a9a; background: #f1f4f8; font-size: 23px; line-height: 1; }
.dialog-brand { display: flex; justify-content: center; }
.dialog-logo { width: 58px; height: 58px; border-radius: 16px; }
.dialog-kicker { margin: 17px 0 9px; color: var(--blue); font-size: 10px; font-weight: 750; letter-spacing: .18em; }
.qr-dialog h2 { margin: 0; font-size: 21px; }
.qr-frame { width: 236px; height: 236px; margin: 26px auto 18px; padding: 8px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 13px; background: var(--white); }
.qr-frame img { width: 220px; height: 220px; object-fit: contain; }
.qr-placeholder { width: 100%; height: 100%; display: grid; place-content: center; gap: 8px; color: #75849a; background: repeating-linear-gradient(45deg, #f7f9fc, #f7f9fc 10px, #f1f5fa 10px, #f1f5fa 20px); }
.mini-logo { width: 58px; height: 58px; margin: 0 auto 5px; display: block; border-radius: 16px; object-fit: cover; }
.qr-placeholder b, .qr-placeholder small { display: block; }
.qr-placeholder b { color: var(--ink); font-size: 20px; }
.qr-placeholder small { font-size: 11px; }
.dialog-tip { margin: 0; color: #78869a; font-size: 12px; }

@media (max-width: 900px) {
  .site-nav a { display: none; }
  .hero { padding-top: 50px; grid-template-columns: 1fr; gap: 34px; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero-actions, .trust-row { justify-content: center; }
  .product-stage { min-height: 500px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 360px; }
  .capability-card h3 { margin-top: 24px; }
  .workflow { grid-template-columns: 1fr; gap: 60px; }
}

@media (max-width: 600px) {
  .site-header { width: calc(100% - 32px); height: 72px; }
  .brand-en { display: none; }
  .nav-cta { padding: 9px 14px; font-size: 12px; }
  .hero { width: calc(100% - 32px); min-height: auto; padding: 62px 0 80px; }
  .hero h1 { font-size: 52px; }
  .hero-lead { font-size: 16px; line-height: 1.75; }
  .hero-actions { flex-direction: column; gap: 20px; }
  .button-primary { width: 100%; }
  .trust-row { gap: 10px 18px; }
  .product-stage { min-height: 430px; margin-top: 10px; }
  .project-panel { width: 100%; padding: 20px; transform: none; }
  .project-panel h2 { font-size: 20px; }
  .score-row { padding: 15px; }
  .floating-card-left { left: -7px; bottom: 0; }
  .floating-card-right { right: -6px; top: 4%; }
  .section { width: calc(100% - 32px); padding: 90px 0; }
  .section-heading { display: block; }
  .section-heading h2 { font-size: 38px; }
  .capability-card { min-height: 380px; }
  .workflow { padding: 90px 24px; }
  .workflow h2, .final-cta h2 { font-size: 39px; }
  .site-footer { grid-template-columns: 1fr; gap: 8px; text-align: center; }
  .footer-brand { justify-content: center; margin-bottom: 12px; }
  .site-footer p { margin: 0; }
  .qr-dialog { padding: 40px 24px 32px; }
}

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