:root {
  color-scheme: light;
  --paper: #f7f7f2;
  --ink: #202923;
  --muted: #68736c;
  --brand: #176452;
  --line: #dfe5dc;
  font-family: "SF Pro Text", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #5a9d83; outline-offset: 4px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
.shell { width: min(1160px, calc(100% - 56px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 10; top: -80px; left: 16px; padding: 10px 14px; border-radius: 8px; background: #fff; color: var(--ink); }
.skip-link:focus { top: 16px; }

.site-header { border-bottom: 1px solid #e8ece5; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 86px; gap: 24px; }
.brand img { width: 126px; height: auto; }
.header-actions { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 650; }
.text-link:hover, .secondary-link:hover { color: var(--brand); }
.small-button, .primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; border-radius: 10px; background: var(--brand); color: #fff; font-weight: 670; transition: background .18s ease, transform .18s ease; }
.small-button:hover, .primary-button:hover { background: #104c3e; transform: translateY(-2px); }
.small-button { min-height: 40px; padding: 0 18px; }
.primary-button { min-height: 52px; padding: 0 24px; font-size: 15px; }

.hero { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: clamp(48px, 7vw, 106px); min-height: 660px; padding-block: 78px 88px; }
.hero-copy { max-width: 520px; }
.eyebrow { margin-bottom: 22px; color: var(--brand); font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.eyebrow-line { display: inline-block; width: 22px; height: 1px; margin: 0 8px 4px 0; background: currentColor; }
.hero h1 { margin-bottom: 24px; font-size: clamp(42px, 4.7vw, 67px); font-weight: 690; line-height: 1.19; letter-spacing: -.07em; }
.hero h1 em { color: var(--brand); font-style: normal; }
.hero-lead { max-width: 410px; margin-bottom: 29px; color: #4f5a53; font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 26px; }
.secondary-link { font-size: 14px; font-weight: 650; }
.hero-footnote { margin: 14px 0 0; color: #879189; font-size: 12px; line-height: 1.5; }

.hero-visual { min-width: 0; }
.visual-window { overflow: hidden; border: 1px solid #dce4db; border-radius: 17px; background: #fff; box-shadow: 0 28px 60px #1b3a291b, 0 3px 14px #1b3a290b; }
.visual-topbar { display: flex; align-items: center; justify-content: space-between; height: 45px; padding: 0 17px; border-bottom: 1px solid #e9ede8; color: #6f7c72; font-size: 10px; }
.visual-dots { display: inline-flex; gap: 5px; }
.visual-dots i { width: 6px; height: 6px; border-radius: 50%; background: #c9d2ca; }
.visual-status { color: #378169; }
.visual-content { display: grid; grid-template-columns: 1.25fr .95fr; min-height: 335px; }
.visual-slide { position: relative; min-width: 0; padding: 35px 28px; overflow: hidden; background: #f1ede4; }
.slide-tag { color: #8e7c66; font-size: 10px; font-weight: 800; letter-spacing: .17em; }
.visual-slide strong { display: block; margin-top: 31px; color: #313331; font-family: Georgia, "Times New Roman", serif; font-size: clamp(18px, 2.2vw, 31px); font-weight: 500; line-height: 1.25; }
.slide-mark { display: block; width: 58%; height: 8px; margin-top: 4px; border-radius: 50%; border-bottom: 5px solid #d5946f; transform: rotate(-2deg); }
.slide-lines { display: grid; gap: 9px; width: 70%; margin-top: 41px; }
.slide-lines span { height: 5px; border-radius: 3px; background: #d9d2c5; }
.slide-lines span:nth-child(2) { width: 90%; }
.slide-lines span:nth-child(3) { width: 62%; }
.slide-note { position: absolute; right: 16px; bottom: 18px; padding: 7px 9px; border: 1px solid #e6b198; border-radius: 7px; background: #fae8da; color: #a55d3b; font-size: 10px; font-weight: 700; transform: rotate(3deg); }
.visual-transcript { padding: 21px 17px; border-left: 1px solid #e8ede7; background: #fcfdfb; }
.transcript-heading { display: flex; align-items: center; justify-content: space-between; padding-bottom: 15px; color: #34463a; font-size: 12px; font-weight: 700; }
.transcript-indicator { width: 7px; height: 7px; border-radius: 50%; background: #c18b6b; }
.transcript-row { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 5px; padding: 11px 7px; border-top: 1px solid #e8ede8; }
.transcript-row small { color: #9ca59d; font-size: 9px; }
.transcript-row p { margin: 0; color: #69766c; font-size: 10px; line-height: 1.6; }
.transcript-row.selected { margin-inline: -7px; padding-inline: 14px; border-radius: 7px; background: #e7eee6; }
.transcript-row.selected p { color: #284637; }
.visual-caption { display: flex; align-items: center; gap: 9px; margin: 18px 0 0 3px; color: #78847a; font-size: 12px; }
.caption-swatch { width: 17px; height: 17px; border-radius: 5px; background: #d4a987; }

.benefits { padding: 80px 0 100px; border-top: 1px solid var(--line); background: #fbfcf9; }
.section-heading { margin-bottom: 34px; }
.section-heading .eyebrow { margin-bottom: 13px; }
.section-heading h2 { margin-bottom: 0; font-size: clamp(27px, 3vw, 40px); font-weight: 650; line-height: 1.4; letter-spacing: -.05em; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.benefit { position: relative; min-height: 230px; padding: 24px 25px 27px; border: 1px solid #e4e8e1; border-radius: 15px; background: #fff; }
.benefit-number { color: #a1aba1; font-size: 11px; font-weight: 700; }
.benefit-icon { display: grid; place-items: center; width: 45px; height: 45px; margin-top: 18px; border-radius: 11px; font-size: 24px; line-height: 1; }
.benefit-caption .benefit-icon { background: #e8efe9; color: #276b54; }
.benefit-annotation .benefit-icon { background: #f8e9df; color: #ae704e; }
.benefit-review .benefit-icon { background: #ecebfa; color: #6d66a0; }
.benefit h3 { margin: 17px 0 7px; font-size: 17px; font-weight: 690; }
.benefit p { max-width: 26em; margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.closing { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding-block: 78px; }
.closing .eyebrow { margin-bottom: 11px; }
.closing h2 { margin-bottom: 0; font-size: clamp(25px, 3vw, 37px); font-weight: 660; letter-spacing: -.05em; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; padding-block: 27px; color: #879188; font-size: 12px; }

@media (max-width: 850px) {
  .hero { grid-template-columns: 1fr; min-height: 0; gap: 54px; padding-block: 72px 76px; }
  .hero-copy { max-width: 650px; }
  .hero-lead { max-width: 530px; }
  .hero-visual { max-width: 640px; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 36px, 1160px); }
  .header-inner { min-height: 68px; }
  .brand img { width: 104px; }
  .header-actions { gap: 13px; font-size: 13px; }
  .small-button { min-height: 36px; padding-inline: 12px; }
  .hero { gap: 39px; padding-block: 56px 65px; }
  .hero h1 { font-size: clamp(39px, 10vw, 52px); }
  .hero-lead { font-size: 14px; }
  .visual-content { grid-template-columns: 1fr; }
  .visual-slide { min-height: 265px; padding: 27px 25px; }
  .visual-slide strong { font-size: 27px; }
  .slide-lines { margin-top: 27px; }
  .visual-transcript { display: none; }
  .benefits { padding-block: 60px 68px; }
  .benefit-grid { grid-template-columns: 1fr; gap: 11px; }
  .benefit { min-height: 0; padding: 22px; }
  .benefit-icon { margin-top: 14px; }
  .closing { align-items: flex-start; flex-direction: column; padding-block: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .small-button, .primary-button { transition: none; }
}