:root {
  --bg: #f7faff;
  --paper: #ffffff;
  --paper-blue: #f1f7ff;
  --line: #dce7f3;
  --line-strong: #c5d7eb;
  --ink: #10254b;
  --muted: #5e6f89;
  --blue: #125ddd;
  --blue-dark: #0b3e9d;
  --teal: #098b93;
  --container: 1240px;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.6; }
body::selection { color: #fff; background: rgba(18, 93, 221, .8); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: min(var(--container), calc(100% - 80px)); margin: 0 auto; }
.section-rule { border-top: 1px solid var(--line); }
.page-grid { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .52; background-image: linear-gradient(rgba(18, 93, 221, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(18, 93, 221, .045) 1px, transparent 1px); background-size: 34px 34px; mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 65%); }

.site-header { position: sticky; top: 0; z-index: 30; background: rgba(255, 255, 255, .9); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-size: 22px; font-weight: 800; letter-spacing: -.05em; }
.brand img { display: block; width: 36px; height: 36px; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; gap: 38px; margin-left: auto; color: var(--muted); font-size: 14px; font-weight: 650; }
.desktop-nav a { transition: color .2s ease; }
.desktop-nav a:hover { color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 13px; }
.github-link { display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px; border: 1px solid var(--line-strong); border-radius: 7px; color: var(--ink); font-size: 13px; font-weight: 750; transition: border-color .2s ease, color .2s ease, box-shadow .2s ease; }
.github-link:hover { border-color: var(--blue); color: var(--blue); box-shadow: 0 8px 20px rgba(18, 93, 221, .1); }
.github-link svg { width: 17px; height: 17px; fill: currentColor; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px 0 8px 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 23px; height: 2px; margin: 4px 0; border-radius: 2px; background: var(--ink); }
.mobile-nav { display: none; }

.hero { position: relative; display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: 54px; min-height: 650px; padding-top: 78px; padding-bottom: 84px; overflow: hidden; }
.hero-copy { position: relative; z-index: 1; padding-left: 18px; }
.hero h1 { max-width: 550px; margin: 0; color: var(--ink); font-size: clamp(52px, 6.2vw, 91px); line-height: .98; letter-spacing: -.085em; font-weight: 850; }
.hero h1 span, .section-heading h2 span, .trust-copy h2 span, .cta-inner h2 span { color: var(--blue); }
.hero-lede { max-width: 430px; margin: 29px 0 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 13px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 0 20px; border-radius: 7px; font-size: 14px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 18px; height: 18px; fill: currentColor; }
.button-primary { color: #fff; background: linear-gradient(135deg, #1265e6, #0a48bd); box-shadow: 0 12px 28px rgba(18, 93, 221, .22); }
.button-primary:hover { box-shadow: 0 17px 34px rgba(18, 93, 221, .32); }
.button-outline { border: 1px solid var(--line-strong); color: var(--ink); background: rgba(255, 255, 255, .7); }
.button-outline:hover { border-color: var(--blue); color: var(--blue); background: #fff; }
.hero-note { display: flex; align-items: center; gap: 9px; margin: 24px 0 0; color: #7a8ba4; font-size: 12px; }
.note-mark { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 5px rgba(9, 139, 147, .1); }
.hero-visual { position: relative; min-width: 0; padding: 10px 0 26px; }
.chart-ghost { position: absolute; right: -40px; bottom: 10px; width: 88%; height: 66%; opacity: .4; background-image: linear-gradient(rgba(18, 93, 221, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(18, 93, 221, .08) 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(90deg, transparent, black 25%, transparent); }
.workspace-frame { position: relative; z-index: 1; overflow: hidden; border: 1px solid #b9cde3; border-radius: 13px; background: #fff; box-shadow: 0 25px 55px rgba(35, 70, 111, .17), 0 0 0 7px rgba(255,255,255,.75); transform: rotate(-1.6deg); }
.workspace-window-bar { display: flex; align-items: center; height: 30px; padding: 0 12px; gap: 7px; color: #546a84; background: #f7faff; border-bottom: 1px solid #dfe8f2; font-size: 10px; }
.window-dot { width: 8px; height: 8px; border-radius: 2px; background: var(--blue); }
.window-bar-spacer { flex: 1; }
.workspace-frame img { display: block; width: 100%; height: auto; }
.visual-caption { position: relative; z-index: 2; display: flex; justify-content: space-between; margin-top: 17px; padding: 0 6px; color: #71839b; font-size: 11px; letter-spacing: .05em; text-transform: uppercase; }

.capability-strip { background: rgba(255, 255, 255, .7); }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 30px 0; }
.capability-item { display: flex; align-items: center; gap: 18px; min-height: 92px; padding: 10px 30px; border-right: 1px solid var(--line-strong); }
.capability-item:first-child { padding-left: 0; }
.capability-item:last-child { padding-right: 0; border-right: 0; }
.capability-icon { flex: 0 0 42px; width: 42px; height: 42px; display: grid; place-items: center; color: var(--blue); font-size: 43px; line-height: 1; }
.capability-item:nth-child(3) .capability-icon, .capability-item:nth-child(4) .capability-icon { color: var(--teal); }
.capability-item h2 { margin: 0; font-size: 17px; letter-spacing: -.03em; }
.capability-item p { max-width: 195px; margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.bars-icon { display: flex; align-items: end; justify-content: center; gap: 4px; }
.bars-icon i { display: block; width: 7px; border: 2px solid currentColor; border-bottom: 0; }
.bars-icon i:nth-child(1) { height: 17px; }.bars-icon i:nth-child(2) { height: 28px; }.bars-icon i:nth-child(3) { height: 39px; }

.workflow-section, .trust-section, .cta-section { background: rgba(255, 255, 255, .55); }
.workflow-section { padding: 108px 0 112px; }
.section-heading { margin-bottom: 54px; }
.split-heading { display: flex; align-items: end; justify-content: space-between; gap: 75px; }
.section-index { margin: 0 0 21px; color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.section-heading h2, .trust-copy h2, .cta-inner h2 { margin: 0; font-size: clamp(43px, 5vw, 68px); line-height: 1.02; letter-spacing: -.075em; }
.split-heading > p { max-width: 445px; margin: 0 0 5px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.flow-line { display: grid; grid-template-columns: 1fr 38px 1fr 38px 1fr 38px 1fr; align-items: center; gap: 14px; }
.flow-node { min-height: 188px; padding: 25px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, .86); box-shadow: 0 12px 32px rgba(60, 101, 148, .07); }
.flow-node h3 { margin: 18px 0 0; font-size: 18px; letter-spacing: -.04em; }
.flow-node p { margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.flow-symbol { width: 42px; height: 42px; color: var(--blue); }
.flow-blue .flow-symbol { border: 2px solid currentColor; border-radius: 5px; box-shadow: inset 0 -10px 0 rgba(18, 93, 221, .09); }
.flow-blue .flow-symbol::after { content: ""; display: block; width: 21px; height: 2px; margin: 49px auto 0; background: currentColor; box-shadow: 7px 4px 0 -0.5px currentColor; }
.flow-navy .flow-symbol, .flow-teal .flow-symbol, .flow-cyan .flow-symbol { display: grid; place-items: center; border: 2px solid currentColor; border-radius: 50%; font-size: 28px; line-height: 1; }
.flow-navy .flow-symbol { color: var(--ink); }.flow-teal .flow-symbol, .flow-cyan .flow-symbol { color: var(--teal); }
.flow-cyan .flow-symbol { border-radius: 8px; }
.flow-arrow { color: var(--blue-dark); font-size: 34px; font-weight: 350; text-align: center; }

.trust-section { padding: 112px 0 116px; }
.trust-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; align-items: start; }
.trust-copy > p:not(.section-index) { max-width: 420px; margin: 28px 0 0; color: var(--muted); font-size: 17px; line-height: 1.85; }
.text-link { display: inline-flex; gap: 9px; margin-top: 27px; color: var(--blue); font-size: 14px; font-weight: 750; }
.text-link span { transition: transform .2s ease; }.text-link:hover span { transform: translate(3px, -3px); }
.trust-list { border-top: 1px solid var(--line-strong); }
.trust-list article { display: grid; grid-template-columns: 62px 1fr; gap: 20px; padding: 25px 0 27px; border-bottom: 1px solid var(--line); }
.trust-number { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.trust-list h3 { margin: 0; font-size: 18px; letter-spacing: -.03em; }.trust-list p { max-width: 590px; margin: 7px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.cta-section { padding: 71px 0 74px; background: linear-gradient(90deg, rgba(232, 243, 255, .72), rgba(255, 255, 255, .8)); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { font-size: clamp(38px, 4.3vw, 57px); }.cta-inner p { margin: 21px 0 0; color: var(--muted); font-size: 15px; }
.cta-inner .button { flex-shrink: 0; min-width: 165px; }
.site-footer { padding: 27px 0; background: rgba(255, 255, 255, .82); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #71839b; font-size: 12px; }.footer-inner p { margin: 0; }.footer-brand { font-size: 17px; }.footer-brand img { width: 30px; height: 30px; }.footer-links { display: flex; gap: 21px; }.footer-links a:hover { color: var(--blue); }

@media (max-width: 1050px) {
  .container { width: min(var(--container), calc(100% - 48px)); }
  .desktop-nav { gap: 22px; }.hero { grid-template-columns: .8fr 1.2fr; gap: 30px; }.hero-copy { padding-left: 0; }.hero h1 { font-size: clamp(49px, 6vw, 72px); }.capability-item { gap: 11px; padding: 10px 16px; }.capability-icon { flex-basis: 34px; width: 34px; }.capability-item p { font-size: 11px; }.trust-layout { gap: 55px; }
}

@media (max-width: 760px) {
  .container { width: min(var(--container), calc(100% - 32px)); }
  .nav-inner { min-height: 68px; }.desktop-nav, .nav-actions .github-link { display: none; }.menu-toggle { display: block; }.mobile-nav { flex-direction: column; gap: 0; padding: 4px 16px 13px; border-top: 1px solid var(--line); background: rgba(255, 255, 255, .97); }.mobile-nav.is-open { display: flex; }.mobile-nav a { padding: 10px 0; color: var(--muted); font-size: 14px; }
  .hero { display: block; min-height: 0; padding-top: 65px; padding-bottom: 66px; }.hero h1 { font-size: clamp(50px, 15vw, 76px); }.hero-lede { margin-top: 24px; font-size: 16px; line-height: 1.78; }.hero-actions { flex-direction: column; align-items: stretch; }.hero-actions .button { width: 100%; }.hero-visual { margin-top: 50px; padding: 0 4px 20px; }.workspace-frame { transform: rotate(-1deg); }.visual-caption { font-size: 9px; }
  .capability-grid { grid-template-columns: 1fr 1fr; padding: 10px 0 20px; }.capability-item, .capability-item:first-child, .capability-item:last-child { min-height: 124px; padding: 22px 10px 22px 0; border-right: 0; }.capability-item:nth-child(odd) { padding-right: 16px; border-right: 1px solid var(--line-strong); }.capability-item:nth-child(n+3) { border-top: 1px solid var(--line); }.capability-item p { max-width: none; }
  .workflow-section { padding: 76px 0 80px; }.split-heading { display: block; }.split-heading > p { margin-top: 27px; font-size: 15px; }.section-heading { margin-bottom: 35px; }.section-heading h2, .trust-copy h2 { font-size: 48px; }.flow-line { grid-template-columns: 1fr; gap: 10px; }.flow-arrow { transform: rotate(90deg); height: 35px; }.flow-node { min-height: 0; padding: 21px; }.flow-node h3 { margin-top: 13px; }
  .trust-section { padding: 78px 0 82px; }.trust-layout { display: block; }.trust-copy > p:not(.section-index) { margin-top: 23px; font-size: 15px; }.trust-list { margin-top: 48px; }.trust-list article { grid-template-columns: 44px 1fr; gap: 12px; }.trust-list h3 { font-size: 16px; }.trust-list p { font-size: 12px; }
  .cta-section { padding: 61px 0 64px; }.cta-inner { display: block; }.cta-inner h2 { font-size: 42px; }.cta-inner p { font-size: 14px; line-height: 1.75; }.cta-inner .button { width: 100%; margin-top: 28px; }
  .footer-inner { align-items: flex-start; flex-wrap: wrap; }.footer-inner p { order: 3; width: 100%; }.footer-links { margin-left: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}