:root {
  --ink: #142a3a;
  --navy: #102438;
  --teal: #2eafa1;
  --teal-deep: #177c78;
  --mint: #dff2ef;
  --paper: #f5f7f5;
  --warm: #fbf4e9;
  --muted: #60757e;
  --line: #cddbd9;
  --coral: #ef8068;
  --serif: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--sans); }
a { color: inherit; }
button, input, textarea { font: inherit; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 20; padding: 8px 12px; background: var(--teal); color: var(--navy); }
.skip:focus { left: 16px; }
.container { width: min(1176px, calc(100% - 64px)); margin-inline: auto; }

.site-header { position: relative; z-index: 5; border-bottom: 1px solid var(--line); background: rgba(245,247,245,.94); }
.header-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.logo { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; white-space: nowrap; }
.logo-mark { color: var(--navy); font-weight: 800; letter-spacing: .08em; }
.logo-divider { color: var(--teal); font-weight: 700; }
.logo-sub { color: var(--muted); font-size: .78rem; letter-spacing: .08em; }
nav { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: .86rem; }
nav a { text-decoration: none; }
nav a:hover, nav a:focus-visible, .text-link:hover, .text-link:focus-visible { color: var(--teal-deep); }
.nav-cta { padding: 9px 13px; border: 1px solid var(--ink); color: var(--ink); }
.nav-cta span, .btn span, .text-link span { margin-left: 6px; }

.hero { padding: 92px 0 112px; background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr); gap: 72px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 22px; color: var(--teal-deep); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow-dot { width: 8px; height: 8px; display: inline-block; border-radius: 50%; background: var(--coral); }
.eyebrow-index { margin-left: auto; color: var(--muted); font-weight: 500; letter-spacing: .04em; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 600; line-height: 1.16; letter-spacing: -.035em; }
h1 { font-size: clamp(3.5rem, 7vw, 6.65rem); }
h1 span, h2 em { color: var(--teal-deep); font-style: normal; }
.hero-lead { max-width: 600px; margin: 30px 0 28px; color: var(--muted); font-size: 1.12rem; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin: 34px 0 40px; }
.btn, .outline, .quiet { border: 0; border-radius: 2px; cursor: pointer; font-weight: 800; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 19px; background: var(--teal); color: #082e32; text-decoration: none; }
.btn:hover, .btn:focus-visible { background: #40c2b1; }
.text-link { color: var(--ink); font-weight: 800; text-decoration: none; border-bottom: 1px solid var(--teal); padding-bottom: 2px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 18px 28px; color: var(--muted); font-size: .78rem; }
.hero-meta span + span { padding-left: 28px; border-left: 1px solid var(--line); }
.hero-panel { padding: 30px 32px 28px; background: var(--navy); color: #fff; box-shadow: 18px 18px 0 var(--mint); }
.panel-top, .paper-top, .demo-top { display: flex; align-items: center; justify-content: space-between; color: #91b1b7; font-size: .72rem; font-weight: 800; letter-spacing: .12em; }
.hero-panel h2 { margin: 34px 0 30px; color: #fff; font-size: clamp(2rem, 3.2vw, 3rem); }
.hero-panel h2 em { color: #8be0d3; }
.hero-steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.hero-steps li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 17px 0; border-top: 1px solid #2e4a5d; }
.hero-steps li > span { color: var(--teal); font-weight: 800; }
.hero-steps strong { display: block; margin-bottom: 2px; font-size: 1rem; }
.hero-steps small { color: #abc1c5; font-size: .78rem; }
.panel-foot { display: flex; align-items: center; gap: 15px; margin-top: 18px; padding-top: 20px; border-top: 1px solid #2e4a5d; color: #d7e6e5; }
.panel-foot b { color: var(--coral); font: 3.6rem/1 var(--serif); }
.panel-foot span { font-size: .9rem; line-height: 1.45; }
.panel-foot small { color: #91b1b7; font-size: .72rem; }

.proof-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #edf3f1; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-grid > div { display: grid; grid-template-columns: 28px 1fr; grid-template-rows: auto auto; column-gap: 13px; padding: 24px 26px; }
.proof-grid > div + div { border-left: 1px solid var(--line); }
.proof-index { grid-row: 1 / span 2; color: var(--coral); font-weight: 800; }
.proof-grid strong { font-size: .95rem; }
.proof-grid small { color: var(--muted); font-size: .78rem; }

.section { padding: 120px 0; }
.section-light { background: var(--paper); }
.section-dark { background: var(--navy); color: #fff; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 52px; }
.section-heading h2, .report-grid h2, .consultant-grid h2, .faq-grid h2, .next-grid h2, .downloads-grid h2 { font-size: clamp(2.4rem, 4.5vw, 4.4rem); }
.heading-note { width: min(340px, 100%); margin: 0 0 6px; color: var(--muted); font-size: .92rem; }
.dark-heading .eyebrow, .dark-heading h2 { color: #fff; }
.dark-heading h2 em { color: #8be0d3; }
.dark-heading .heading-note { color: #a9c0c3; }
.questions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.questions article { min-height: 274px; padding: 22px 20px 24px; border-top: 2px solid var(--ink); background: #fff; }
.questions article:nth-child(2) { border-top-color: var(--teal); }
.questions article:nth-child(3) { border-top-color: var(--coral); }
.questions article:nth-child(4) { border-top-color: var(--navy); }
.card-top { display: flex; justify-content: space-between; color: var(--muted); font-size: .7rem; letter-spacing: .12em; }
.card-top b { color: var(--teal-deep); }
.questions h3 { margin: 42px 0 18px; font-size: 1.55rem; }
.questions p, .report-lead, .downloads-lead { margin: 0; color: var(--muted); font-size: .9rem; }

.demos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.demo { padding: 28px; border: 1px solid #315064; background: #153047; }
.demo-top b { color: #cbe9e4; font-size: .85rem; letter-spacing: .02em; }
.demo-top span { color: #6faaa8; }
.demo h3 { margin: 42px 0 18px; color: #fff; font-size: 1.7rem; }
.demo blockquote { margin: 0 0 26px; padding-left: 16px; border-left: 2px solid var(--teal); color: #c2d2d4; font-size: .92rem; }
.outline { padding: 10px 14px; border: 1px solid #6fb4ab; background: transparent; color: #d9eeeb; }
.outline:hover, .outline:focus-visible { background: #1c4d5e; }
.quiet { padding: 10px 0; background: transparent; color: #9ad4cc; }
.result { margin-top: 24px; padding-top: 14px; border-top: 1px solid #315064; }
.result label, .brief label { display: block; margin: 10px 0; color: #a9c1c4; font-size: .78rem; }
.result input, .result textarea, .brief input { display: block; width: 100%; margin-top: 5px; padding: 9px 10px; border: 1px solid #496579; border-radius: 1px; background: #102438; color: #fff; }
.result textarea { min-height: 80px; resize: vertical; }
.result-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 14px; }
.status, #copy-status { min-height: 1.4em; margin: 8px 0 0; color: #7dd8c8; font-size: .78rem; }
.sample { margin: 24px 0 0; color: #8fa8ae; font-size: .76rem; }

.services article { display: grid; grid-template-columns: 44px 1fr 290px; gap: 20px; align-items: center; padding: 24px 0; border-top: 1px solid var(--line); }
.services article:last-child { border-bottom: 1px solid var(--line); }
.services article > b { align-self: start; padding-top: 3px; color: var(--teal-deep); font-size: .84rem; }
.services h3 { font-size: 1.55rem; }
.services p { margin: 4px 0 0; color: var(--muted); font-size: .9rem; }
.services strong { color: var(--teal-deep); font: 1.15rem var(--serif); }
.services strong small { display: block; margin-top: 4px; color: var(--muted); font: .72rem var(--sans); }
.disclaimer { margin: 20px 0 0; color: var(--muted); font-size: .76rem !important; }

.report-section { padding: 120px 0; background: #e6f0ed; }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 86px; align-items: center; }
.report-lead { max-width: 500px; margin: 28px 0 30px; }
.paper { padding: 32px; background: #fff; box-shadow: 14px 14px 0 #c0d9d5; transform: rotate(1.2deg); }
.paper-top { color: var(--muted); }
.paper h3 { margin: 34px 0 28px; font-size: 1.45rem; }
.meter { display: grid; grid-template-columns: 1fr auto; gap: 8px 14px; align-items: center; margin: 15px 0; color: var(--muted); font-size: .78rem; }
.meter b { color: var(--teal-deep); font-size: .78rem; }
.meter i { grid-column: 1 / span 2; display: block; height: 7px; background: #e5eeec; }
.meter i em { display: block; height: 100%; background: var(--teal); }
.paper hr { margin: 28px 0 18px; border: 0; border-top: 1px solid var(--line); }
.paper p { margin: 0; color: var(--ink); font-weight: 800; }
.paper > small { display: block; margin-top: 7px; color: var(--muted); font-size: .72rem; }

.days { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.days > div { min-height: 190px; padding: 18px 14px; border-left: 2px solid var(--teal); background: #fff; }
.days > div:nth-child(3) { border-left-color: var(--coral); }
.days > div:nth-child(6) { border-left-color: var(--navy); }
.days b { display: block; margin-bottom: 34px; color: var(--teal-deep); font: 1.5rem var(--serif); }
.days strong { display: block; font-size: .96rem; }
.days span { display: block; margin-top: 8px; color: var(--muted); font-size: .78rem; }

.consultant-section { background: #edf3f1; }
.consultant-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 86px; padding: 54px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.consultant-grid > div:last-child { padding-top: 56px; }
.consultant-grid p { max-width: 470px; margin: 0 0 28px; color: var(--muted); }
.consultant-rule { display: block; width: 64px; height: 2px; margin-bottom: 18px; background: var(--coral); }
.consultant-grid small { color: var(--muted); font-size: .78rem; }

.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.faq-list details { padding: 20px 0; border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; color: var(--ink); font: 1.3rem var(--serif); }
.faq-list p { max-width: 660px; margin: 14px 0 0; color: var(--muted); font-size: .9rem; }

.next-section { padding-bottom: 112px; }
.next-grid { display: grid; grid-template-columns: 1fr 400px; gap: 90px; align-items: center; }
.next-grid h2 { color: #fff; }
.next-grid h2 em { color: #8be0d3; }
.next-lead { max-width: 500px; margin: 28px 0 0; color: #a9c0c3; }
.brief { padding: 26px; border: 1px solid #315064; background: #18374c; }
.brief-label { margin-bottom: 18px; color: var(--teal); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.brief .btn { width: 100%; margin-top: 10px; }

.downloads-section { border-top: 1px solid var(--line); }
.downloads-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: start; }
.downloads-lead { max-width: 410px; margin-top: 28px; }
.download-list { border-top: 1px solid var(--ink); }
.download-list a { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-weight: 800; }
.download-list a:hover, .download-list a:focus-visible { color: var(--teal-deep); }
.download-list a > span:first-child { display: flex; align-items: center; gap: 16px; }
.download-list b { color: var(--coral); font-size: .8rem; }
.download-list a > span:last-child { color: var(--muted); font-size: .72rem; letter-spacing: .08em; }

footer { border-top: 1px solid var(--line); background: var(--paper); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 25px 0 32px; color: var(--muted); font-size: .76rem; }
.footer-inner a { text-decoration: none; color: var(--ink); font-weight: 800; }

@media (max-width: 900px) {
  .hero-grid, .report-grid, .consultant-grid, .faq-grid, .next-grid, .downloads-grid { grid-template-columns: 1fr; gap: 52px; }
  .hero-panel { max-width: 620px; box-shadow: 12px 12px 0 var(--mint); }
  .questions { grid-template-columns: repeat(2, 1fr); }
  .days { grid-template-columns: repeat(3, 1fr); }
  .consultant-grid > div:last-child { padding-top: 0; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 40px, 560px); }
  .header-inner { height: 68px; }
  .logo-sub, nav a:not(.nav-cta) { display: none; }
  nav { gap: 12px; }
  .nav-cta { padding: 8px 10px; font-size: .76rem; }
  .hero { padding: 64px 0 78px; }
  h1 { font-size: 3.45rem; }
  .hero-lead { font-size: 1rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 17px; margin-bottom: 30px; }
  .hero-meta { display: block; }
  .hero-meta span { display: block; margin-top: 8px; }
  .hero-meta span + span { padding-left: 0; border-left: 0; }
  .hero-panel { padding: 24px 22px; box-shadow: 8px 8px 0 var(--mint); }
  .section, .report-section { padding: 78px 0; }
  .section-heading { display: block; margin-bottom: 34px; }
  .heading-note { margin-top: 20px; }
  .questions, .demos { grid-template-columns: 1fr; }
  .questions article { min-height: 220px; }
  .questions h3 { margin-top: 30px; }
  .demo { padding: 22px; }
  .services article { grid-template-columns: 30px 1fr; gap: 10px 14px; }
  .services strong { grid-column: 2; }
  .days { grid-template-columns: repeat(2, 1fr); }
  .days > div { min-height: 160px; }
  .days b { margin-bottom: 22px; }
  .paper { transform: none; box-shadow: 8px 8px 0 #c0d9d5; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .footer-inner { align-items: flex-start; flex-wrap: wrap; }
  .footer-inner span:last-child { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .paper { transform: none; }
}
