:root {
  color-scheme: light;
  --paper: #f8faf8;
  --ink: #152e28;
  --green: #26735f;
  --green-dark: #1b594a;
  --muted: #62716a;
  --line: #dce5df;
  --mint: #eaf1ec;
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; font-size: 15px; line-height: 1.75; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
button, summary, a { touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 6px; }
h1, h2, h3, p, figure { margin: 0; }
.container { width: min(1328px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: absolute; left: 20px; top: -80px; z-index: 20; padding: 12px 20px; background: white; }
.skip-link:focus { top: 12px; }
.site-header { position: relative; z-index: 5; background: var(--paper); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 112px; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 16px; font-size: 26px; font-weight: 600; letter-spacing: -1px; white-space: nowrap; }
.brand img { border-radius: 12px; }
.desktop-nav { display: flex; gap: 45px; align-items: center; margin-left: 56px; font-size: 16px; }
.desktop-nav a { transition: color 160ms; }
.desktop-nav a:hover, .site-footer > a:hover { color: var(--green); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: var(--green); color: white; padding: 12px 24px; border-radius: 9px; font-weight: 600; letter-spacing: .8px; line-height: 1.5; transition: background 160ms, transform 160ms; white-space: nowrap; }
.button img, .icon-tile img { filter: brightness(0) invert(1); }
.button:hover { background: var(--green-dark); transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-large { min-height: 62px; padding: 17px 29px; font-size: 20px; gap: 13px; }
.menu-toggle { display: none; border: 1px solid var(--line); background: transparent; border-radius: 8px; padding: 9px; cursor: pointer; }
.mobile-nav { padding: 8px 24px 22px; border-bottom: 1px solid var(--line); }
.mobile-nav:not([hidden]) { display: grid; gap: 6px; }
.mobile-nav a { padding: 9px 0; }
.hero { position: relative; isolation: isolate; background: var(--paper) url("assets/forest-landscape.webp") center calc(100% + clamp(90px, 14vw, 210px)) / 100% auto no-repeat; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 20px; min-height: 698px; padding-top: 0; padding-bottom: 8px; }
.hero-copy { padding: 0 0 72px 24px; }
.eyebrow { color: var(--green); font-weight: 600; font-size: 16px; letter-spacing: 2.5px; }
h1 { font-size: clamp(40px, 4.9vw, 74px); line-height: 1.4; font-weight: 750; letter-spacing: -2px; margin-top: 22px; }
.hero-description { color: #58635d; font-size: 20px; line-height: 1.9; margin-top: 23px; }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 32px; flex-wrap: wrap; }
.hero-actions .button-large { min-width: 240px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; font-weight: 600; font-size: 16px; padding-block: 8px; }
.text-link:hover { color: var(--green); }
.text-link img { transition: transform 160ms; }
.text-link:hover img { transform: translateX(4px); }
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0; padding: 0; margin: 24px 0 0; list-style: none; color: #596a61; font-size: 13px; }
.hero-meta li { display: inline-flex; align-items: center; gap: 9px; }
.hero-meta li + li { border-left: 1px solid #a9b9ae; margin-left: 22px; padding-left: 22px; }
.hero-meta img { opacity: .72; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.staff { display: block; width: 100%; height: auto; color: var(--green); }
.staff-lines { fill: none; stroke: currentColor; stroke-width: 1; opacity: .3; vector-effect: non-scaling-stroke; }
.staff-bars { fill: none; stroke: currentColor; stroke-width: 1; opacity: .45; vector-effect: non-scaling-stroke; }
.staff-notes { fill: currentColor; opacity: .62; }
.hero-score { max-width: 560px; margin: 22px 0 0; }
.workflow-score { max-width: 224px; margin: 14px auto 0; }
.product-notes { position: absolute; inset: 0; pointer-events: none; }
.product-note { position: absolute; color: var(--green); opacity: 0; animation: note-drift 7.2s ease-in-out infinite; }
.product-note--a { width: 21px; height: 31px; left: -5%; top: 22%; animation-delay: -1.2s; }
.product-note--b { width: 38px; height: 29px; right: -7%; top: 44%; animation-delay: -3.6s; }
.product-note--c { width: 18px; height: 26px; left: -1%; top: 66%; animation-delay: -5.4s; }
@keyframes note-drift {
  0% { opacity: 0; transform: translateY(9px) rotate(-6deg); }
  22% { opacity: .42; }
  72% { opacity: .32; }
  100% { opacity: 0; transform: translateY(-28px) rotate(5deg); }
}
.hero-product { position: relative; justify-self: center; width: min(100%, 448px); }
.product-preview { width: 100%; height: auto; border: 1px solid #b9ccc1; border-radius: 15px; box-shadow: 0 12px 32px #193a2810; }
.hero-product figcaption { color: #60776c; font-size: 12px; text-align: center; margin-top: 10px; }
.hero-product figcaption span { margin-left: 12px; opacity: .75; font-size: 10px; }
.workflow-strip { background: #ffffffd9; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 28px 0 32px; }
.workflow-strip h2 { text-align: center; font-size: 28px; letter-spacing: 2px; }
.workflow-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 22px; }
.workflow-item { display: flex; align-items: center; gap: 24px; padding: 6px 20px 6px 34px; }
.workflow-item + .workflow-item { border-left: 1px solid #cbd9cf; }
.icon-tile { display: grid; place-items: center; background: var(--green); border-radius: 14px; width: 53px; height: 53px; flex-shrink: 0; transition: transform 160ms; }
.workflow-item:hover .icon-tile { transform: translateY(-3px); }
.workflow-item h3 { font-size: 18px; font-weight: 600; }
.workflow-item p { font-size: 13px; color: var(--muted); margin-top: 3px; }
.section { padding-block: 100px; }
.section-heading { margin-bottom: 46px; }
.section-heading h2, .guide-intro h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.5; letter-spacing: -1px; margin-top: 12px; }
.section-heading > p:last-child { color: var(--muted); margin-top: 12px; font-size: 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.feature { padding-top: 0; }
.feature-score { max-width: 360px; margin-bottom: 20px; transition: opacity 200ms; }
.feature:hover .feature-score .staff-notes { opacity: .85; }
.feature-number { color: var(--green); font-size: 12px; letter-spacing: 2px; }
.feature h3 { font-size: 21px; margin-top: 18px; font-weight: 600; }
.feature p { color: var(--muted); margin-top: 13px; line-height: 1.95; }
.feature-detail { display: block; margin-top: 24px; color: var(--green); font-size: 12px; letter-spacing: 1px; }
.local-note { display: flex; align-items: center; gap: 22px; padding: 26px 30px; background: var(--mint); margin-top: 48px; border-radius: 10px; }
.local-note > img { flex-shrink: 0; }
.local-note h3 { font-size: 16px; font-weight: 600; }
.local-note p { color: var(--muted); margin-top: 3px; font-size: 14px; }
.guide-section { padding: 88px 0; background: #edf3ee; }
.guide-layout { display: grid; grid-template-columns: 1fr 1.25fr; gap: 96px; }
.guide-intro h2 { margin-top: 16px; }
.guide-intro > p:not(.eyebrow) { color: var(--muted); margin-top: 22px; font-size: 16px; }
.guide-intro .text-link { margin-top: 22px; color: var(--green); }
.guide-score { max-width: 300px; margin: 26px 0 0; }
.guide-steps { list-style: none; margin: 0; padding: 0; }
.guide-steps li { display: flex; align-items: baseline; gap: 30px; padding: 26px 0; border-bottom: 1px solid #d0ded3; }
.guide-steps li:first-child { padding-top: 0; }
.guide-steps li:last-child { border: 0; padding-bottom: 0; }
.step-number { font-size: 29px; font-weight: 300; color: var(--green); line-height: 1; }
.guide-steps h3 { font-size: 20px; font-weight: 600; }
.guide-steps p { margin-top: 9px; color: var(--muted); line-height: 1.9; }
.faq { max-width: 1000px; }
.faq .section-heading { text-align: center; }
.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { padding: 23px 36px 23px 32px; cursor: pointer; font-size: 17px; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 50%;
  width: 13px;
  height: 19px;
  margin-top: -10px;
  background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 26 38'%3E%3Cg fill='%2326735f'%3E%3Cellipse cx='8.5' cy='31' rx='7.2' ry='5.4' transform='rotate(-19 8.5 31)'/%3E%3Crect x='14.6' y='3' width='1.9' height='28'/%3E%3Cpath d='M16.5 3c6.4 3.4 9.3 6.8 9.3 11.1 0 3.7-2 6.9-5.9 8.9 2.4-2.4 3.6-4.9 3.6-7.6 0-3.2-2.2-6.3-7-9.6z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: .42;
  transition: opacity 180ms, transform 180ms;
}
.faq summary:hover::before { opacity: .8; }
.faq details[open] summary::before { opacity: 1; transform: rotate(-10deg) translateY(-1px); }
.faq summary:hover { color: var(--green); }
.faq-answer { padding: 0 34px 23px 23px; color: var(--muted); line-height: 1.95; }
.download-section { background: #e5eee6; padding: 60px 0; }
.download-score { max-width: 210px; margin-bottom: 16px; }
.download-score .staff { opacity: .9; }
.download-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.download-inner h2 { font-size: 32px; margin-top: 11px; line-height: 1.5; }
.download-inner p:last-child { margin-top: 10px; color: var(--muted); }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 32px; color: var(--muted); font-size: 13px; }
.footer-brand { font-size: 18px; gap: 10px; letter-spacing: -.5px; color: var(--ink); }
.footer-brand img { border-radius: 7px; }
@media (min-width: 1600px) {
  .hero-inner { min-height: 760px; }
  .hero-product { width: 460px; }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .desktop-nav { gap: 24px; margin-left: 0; font-size: 14px; }
  .brand { font-size: 22px; gap: 12px; }
  .brand img { width: 40px; height: 40px; }
  .header-download { padding: 11px 16px; font-size: 13px; }
  .hero-inner { gap: 30px; min-height: 640px; }
  .hero-copy { padding-left: 0; }
  h1 { font-size: 4.7vw; }
  .hero-description { font-size: 16px; }
  .desktop-break { display: none; }
  .hero-actions { gap: 20px; }
  .button-large { font-size: 17px; min-height: 56px; padding: 15px 22px; }
  .hero-meta li + li { margin-left: 12px; padding-left: 12px; }
  .hero-meta { font-size: 11px; }
  .workflow-list { gap: 16px; }
  .workflow-item { padding-inline: 10px; gap: 15px; }
  .workflow-item p { font-size: 11px; }
  .feature-grid { gap: 28px; }
  .guide-layout { gap: 56px; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 82px; gap: 12px; }
  .brand { font-size: 20px; gap: 10px; }
  .brand img { width: 36px; height: 36px; border-radius: 9px; }
  .desktop-nav, .header-download { display: none; }
  .menu-toggle { display: block; }
  .hero { background-size: auto 620px; background-position: center calc(100% + 90px); }
  .hero-inner { display: grid; grid-template-columns: 1fr; gap: 35px; padding-top: 32px; padding-bottom: 24px; }
  .hero-copy { padding: 0; text-align: center; }
  .hero-score { max-width: 300px; margin: 22px auto 4px; }
  .product-note--a, .product-note--c { display: none; }
  .workflow-score { max-width: 190px; margin-top: 12px; }
  .download-score { max-width: 170px; }
  .eyebrow { font-size: 13px; letter-spacing: 2px; }
  h1 { font-size: clamp(32px, 7.8vw, 52px); line-height: 1.45; letter-spacing: -1.5px; margin-top: 18px; }
  .hero-description { max-width: 420px; margin: 20px auto 0; font-size: 14px; line-height: 1.9; }
  .hero-actions { justify-content: center; gap: 20px; margin-top: 25px; }
  .hero-actions .button-large { min-width: 0; }
  .button-large { font-size: 16px; padding: 14px 20px; min-height: 53px; }
  .text-link { font-size: 14px; gap: 7px; }
  .hero-meta { justify-content: center; margin-top: 22px; font-size: 11px; }
  .hero-meta img { width: 15px; height: 15px; }
  .hero-meta li { gap: 6px; }
  .hero-product { width: min(78%, 350px); }
  .hero-product figcaption { font-size: 11px; }
  .hero-product figcaption span { display: block; margin: 2px 0 0; }
  .workflow-strip { padding: 29px 0; }
  .workflow-strip h2 { font-size: 22px; letter-spacing: 0; }
  .workflow-list { grid-template-columns: 1fr; max-width: 350px; margin: 22px auto 0; gap: 0; }
  .workflow-item { padding: 17px 4px; gap: 20px; }
  .workflow-item + .workflow-item { border-left: 0; border-top: 1px solid var(--line); }
  .workflow-item h3 { font-size: 17px; }
  .workflow-item p { font-size: 13px; }
  .icon-tile { width: 46px; height: 46px; border-radius: 11px; }
  .section { padding-block: 64px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2, .guide-intro h2 { font-size: 29px; letter-spacing: -1px; }
  .section-heading > p:last-child { font-size: 14px; }
  .feature-grid { grid-template-columns: 1fr; gap: 30px; }
  .feature { padding-top: 20px; }
  .feature h3 { font-size: 20px; margin-top: 12px; }
  .feature p { margin-top: 10px; font-size: 14px; }
  .feature-detail { margin-top: 16px; }
  .local-note { margin-top: 32px; padding: 23px 20px; gap: 16px; align-items: flex-start; }
  .local-note > img { margin-top: 4px; }
  .local-note p { font-size: 13px; }
  .guide-section { padding: 58px 0; }
  .guide-layout { grid-template-columns: 1fr; gap: 36px; }
  .guide-intro h2 br { display: none; }
  .guide-intro > p:not(.eyebrow) { margin-top: 15px; font-size: 14px; }
  .guide-intro > p br { display: none; }
  .guide-intro .text-link { margin-top: 13px; }
  .guide-steps li { gap: 20px; padding: 23px 0; }
  .guide-steps h3 { font-size: 17px; }
  .guide-steps p { font-size: 14px; }
  .step-number { font-size: 24px; }
  .faq .section-heading { text-align: left; }
  .faq .section-heading h2 { font-size: 26px; }
  .faq summary { font-size: 15px; padding-right: 5px; }
  .faq-answer { padding-right: 4px; font-size: 14px; }
  .download-section { padding: 42px 0; }
  .download-inner { flex-direction: column; align-items: flex-start; gap: 25px; }
  .download-inner h2 { font-size: 26px; }
  .download-inner p:last-child { font-size: 13px; }
  .site-footer { flex-wrap: wrap; gap: 16px; padding-block: 26px; font-size: 12px; }
  .footer-brand { font-size: 16px; }
  .footer-brand img { width: 28px; height: 28px; }
  .site-footer p { order: 3; flex-basis: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .product-note { animation: none !important; opacity: .32; transform: none; }
}
