:root {
  --ink: #14213d;
  --muted: #61708d;
  --line: #dfe6f1;
  --paper: #f8fafc;
  --white: #ffffff;
  --blue: #3f7cf0;
  --green: #16a06a;
  --orange: #f6a623;
  --purple: #7c4fe0;
  --pink: #ef3d78;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.section-wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.03em; }
.brand img { display: block; border-radius: 12px; }
.nav { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 14px; }
.nav a { transition: color .2s ease, transform .2s ease; }
.nav a:hover { color: var(--ink); transform: translateY(-1px); }
.nav-cta { color: var(--white) !important; background: var(--ink); padding: 10px 18px; border-radius: 999px; }
.hero { min-height: 600px; padding: 92px 0 108px; display: grid; grid-template-columns: 1fr .88fr; align-items: center; gap: 80px; }
.eyebrow { margin: 0 0 16px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(46px, 6vw, 82px); line-height: 1.04; letter-spacing: -.075em; }
h1 span { color: var(--blue); }
.hero-lede { max-width: 530px; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 0 22px; border-radius: 999px; font-size: 14px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(20, 33, 61, .12); }
.button-primary { color: var(--white); background: var(--blue); }
.button-quiet { color: var(--ink); background: transparent; border: 1px solid var(--line); }
.hero-note { margin: 16px 0 0; color: #8b98ae; font-size: 12px; }
.hero-card { position: relative; width: min(100%, 430px); margin: 0 auto; padding: 20px; background: var(--white); border: 1px solid var(--line); border-radius: 28px; box-shadow: 0 30px 80px rgba(36, 65, 112, .16); transform: rotate(2deg); }
.hero-card::before { content: ""; position: absolute; z-index: -1; inset: 26px -28px -26px 28px; border-radius: 28px; background: #e7efff; transform: rotate(-5deg); }
.card-topline, .card-footer { display: flex; align-items: center; color: #7b8aa3; font-size: 12px; }
.status-dot { width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px #ddf6ea; }
.card-menu { margin-left: auto; letter-spacing: 3px; }
.card-content { margin-top: 24px; padding: 26px; background: #f6f8fc; border-radius: 20px; }
.card-kicker { margin-bottom: 7px; color: var(--blue); font-size: 12px; font-weight: 800; }
.card-content h2 { margin-bottom: 14px; font-size: 27px; letter-spacing: -.05em; }
.card-question { min-height: 78px; margin-bottom: 20px; font-size: 15px; line-height: 1.75; }
.answer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.answer-grid span { padding: 12px 13px; color: #586883; background: var(--white); border: 1px solid var(--line); border-radius: 12px; font-size: 14px; }
.answer-grid .selected { color: var(--blue); border-color: #8bb1ff; box-shadow: 0 4px 12px rgba(63, 124, 240, .12); }
.answer-grid b { float: right; }
.card-footer { justify-content: space-between; margin-top: 20px; }
.floating-chip { position: absolute; padding: 10px 14px; color: var(--ink); background: var(--white); border: 1px solid var(--line); border-radius: 999px; box-shadow: 0 12px 28px rgba(36, 65, 112, .14); font-size: 11px; font-weight: 800; }
.chip-blue { top: 26%; right: -43px; color: var(--blue); }
.chip-pink { bottom: 20%; left: -48px; color: var(--pink); }
.capabilities { padding: 110px 0 124px; }
.section-heading { max-width: 640px; margin-bottom: 44px; }
.section-heading h2 { margin-bottom: 12px; font-size: clamp(32px, 4vw, 52px); line-height: 1.1; letter-spacing: -.065em; }
.section-heading > p:last-child { color: var(--muted); font-size: 16px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.capability { min-height: 304px; padding: 26px 22px; border-radius: 22px; background: var(--white); border: 1px solid var(--line); }
.capability-number { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; margin-bottom: 36px; border-radius: 12px; background: currentColor; color: var(--white); font-size: 12px; font-weight: 800; }
.capability h3 { margin-bottom: 12px; font-size: 21px; letter-spacing: -.045em; }
.capability p { min-height: 100px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.capability-tag { color: currentColor; font-size: 12px; font-weight: 800; }
.capability-orange { color: var(--orange); }
.capability-blue { color: var(--blue); }
.capability-green { color: var(--green); }
.capability-purple { color: var(--purple); }
.capability-orange h3, .capability-blue h3, .capability-green h3, .capability-purple h3 { color: var(--ink); }
.principles { color: var(--white); background: var(--ink); }
.principles-inner { padding: 112px 0 118px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.light-heading .eyebrow { color: #6da0ff; }
.light-heading h2 { margin-bottom: 18px; }
.light-heading > p:last-child { color: #aebbd1; }
.principle-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.principle-item { min-height: 176px; padding: 24px; border: 1px solid rgba(255,255,255,.15); border-radius: 18px; background: rgba(255,255,255,.05); }
.principle-item > span { color: #6da0ff; font-size: 12px; font-weight: 800; }
.principle-item h3 { margin: 24px 0 8px; font-size: 18px; }
.principle-item p { margin: 0; color: #aebbd1; font-size: 13px; line-height: 1.7; }
.closing { padding: 100px 0; }
.closing-card { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 48px 56px; background: #e8f0ff; border-radius: 28px; }
.closing-card .eyebrow { margin-bottom: 10px; }
.closing-card h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); letter-spacing: -.06em; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 0 38px; color: #8996ab; font-size: 12px; }
.footer-brand { color: var(--ink); font-size: 14px; }
.footer-brand img { border-radius: 9px; }
.site-footer p { margin: 0; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 58px; padding-top: 64px; }
  .hero-card { margin-right: 30px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .principles-inner { grid-template-columns: 1fr; gap: 54px; }
}

@media (max-width: 620px) {
  .section-wrap, .site-header { width: min(100% - 32px, 1120px); }
  .site-header { min-height: 72px; }
  .nav { gap: 12px; font-size: 12px; }
  .nav a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 9px 14px; }
  .hero { min-height: 0; padding: 56px 0 86px; }
  h1 { font-size: 54px; }
  .hero-lede { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-card { width: calc(100% - 16px); margin-right: 8px; transform: none; }
  .hero-card::before { inset: 18px -12px -16px 12px; }
  .chip-blue { right: -8px; }
  .chip-pink { left: -8px; }
  .capabilities { padding: 80px 0 90px; }
  .capability-grid, .principle-list { grid-template-columns: 1fr; }
  .capability { min-height: 0; }
  .capability p { min-height: 0; }
  .principles-inner { padding: 82px 0 90px; }
  .closing { padding: 70px 0; }
  .closing-card { align-items: stretch; flex-direction: column; padding: 32px 24px; }
  .site-footer { align-items: flex-start; flex-direction: column; padding-bottom: 24px; }
}