:root {
  --ink: #153c35;
  --ink-dark: #0b2d28;
  --muted: #64736e;
  --paper: #f6f7f2;
  --white: #fff;
  --line: #dce3dc;
  --lime: #c8f06b;
  --lime-light: #e8f8bf;
  --mint: #e6efe7;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(17, 56, 48, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #83ad2d; outline-offset: 5px; }
.container { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 10px 16px; background: var(--white); border-radius: 8px; }
.skip-link:focus { top: 20px; }

.site-header { position: relative; z-index: 10; border-bottom: 1px solid rgba(21, 60, 53, .1); background: rgba(246, 247, 242, .92); }
.header-inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; color: var(--lime); background: var(--ink); border-radius: 12px; font-family: Georgia, serif; font-size: 25px; font-weight: 700; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 17px; letter-spacing: .12em; line-height: 1.4; }
.brand small { margin-top: 2px; color: var(--muted); font-size: 8px; letter-spacing: .13em; }
.nav { display: flex; gap: 34px; font-size: 14px; }
.nav a { position: relative; }
.nav a::after { content: ""; position: absolute; right: 0; bottom: -7px; left: 0; height: 2px; background: var(--ink); transform: scaleX(0); transition: transform .2s ease; }
.nav a:hover::after { transform: scaleX(1); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 52px; padding: 0 25px; border: 1px solid var(--ink); border-radius: 9px; color: var(--white); background: var(--ink); font-size: 14px; font-weight: 650; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); background: var(--ink-dark); }
.button-small { min-height: 42px; padding: 0 18px; gap: 12px; font-size: 12px; }

.hero { overflow: hidden; padding: 96px 0 112px; }
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 70px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: #4c665e; font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow > span { width: 24px; height: 2px; background: #73932d; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 28px; font-size: clamp(48px, 5.4vw, 74px); font-weight: 650; letter-spacing: -.055em; line-height: 1.17; }
h1 em { color: #648423; font-style: normal; }
.hero-description { max-width: 530px; margin-bottom: 34px; color: var(--muted); font-size: 17px; line-height: 1.95; }
.hero-actions { display: flex; align-items: center; gap: 30px; }
.text-link { padding: 8px 0; border-bottom: 1px solid #a9b5ae; font-size: 14px; font-weight: 600; }
.text-link span { margin-left: 14px; }
.hero-points { display: flex; gap: 24px; margin: 44px 0 0; padding: 0; color: #61736d; font-size: 12px; list-style: none; }
.hero-points li { display: flex; align-items: center; gap: 7px; }
.hero-points li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #86a841; }

.hero-visual { position: relative; min-height: 515px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 470px; height: 470px; border-radius: 50%; background: #e4ecd9; }
.visual-orbit { position: absolute; border: 1px solid rgba(80, 110, 73, .18); border-radius: 50%; }
.orbit-one { width: 530px; height: 530px; }
.orbit-two { width: 390px; height: 390px; }
.protocol-card { position: relative; z-index: 2; width: min(390px, 90%); padding: 28px; border: 1px solid rgba(255, 255, 255, .8); border-radius: 20px; background: rgba(255, 255, 255, .95); box-shadow: var(--shadow); transform: rotate(2deg); }
.protocol-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.protocol-label { color: #7c8a85; font-size: 9px; font-weight: 700; letter-spacing: .15em; }
.status { display: flex; align-items: center; gap: 6px; padding: 4px 9px; border-radius: 20px; color: #4c6b1c; background: var(--lime-light); font-size: 10px; }
.status i { width: 5px; height: 5px; border-radius: 50%; background: #719331; }
.protocol-card h2 { margin: 22px 0 4px; font-size: 23px; letter-spacing: -.03em; }
.protocol-subtitle { margin-bottom: 22px; color: #84908b; font-size: 12px; }
.steps { margin: 0; padding: 0; list-style: none; }
.steps li { display: flex; align-items: center; gap: 13px; min-height: 76px; padding: 14px 12px; border-top: 1px solid #edf0ec; }
.steps li > span { color: #9aa59f; font-size: 10px; }
.steps li div { flex: 1; }
.steps strong, .steps small { display: block; }
.steps strong { font-size: 13px; }
.steps small { margin-top: 2px; color: #8a9690; font-size: 10px; }
.steps b { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; color: #557020; background: var(--lime-light); font-size: 10px; }
.steps .active { margin: 0 -8px; padding-right: 20px; padding-left: 20px; border: 0; border-radius: 10px; background: #f0f5e8; }
.steps .completed { opacity: .75; }
.protocol-footer { display: flex; justify-content: space-between; margin-top: 18px; padding-top: 16px; border-top: 1px solid #edf0ec; color: #8a9690; font-size: 9px; }
.protocol-footer span:first-child { color: var(--ink); font-weight: 700; }
.floating-note { position: absolute; z-index: 3; right: -5px; bottom: 56px; display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-radius: 12px; background: var(--white); box-shadow: 0 15px 40px rgba(17, 56, 48, .14); transform: rotate(-3deg); }
.floating-note > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); background: var(--lime); }
.floating-note strong, .floating-note small { display: block; }
.floating-note strong { font-size: 11px; }
.floating-note small { color: #8a9690; font-size: 9px; }

.section { padding: 104px 0; }
.section-heading { margin-bottom: 44px; }
.section-heading h2, .about h2, .contact h2 { margin-bottom: 18px; font-size: clamp(32px, 3.6vw, 46px); font-weight: 650; letter-spacing: -.045em; line-height: 1.3; }
.section-heading > p:last-child, .contact-card > div > p:last-child { color: var(--muted); }
.split-heading { display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 70px; }
.split-heading > p { max-width: 460px; margin-bottom: 12px; line-height: 1.9; }
.product { background: var(--white); }
.product-panel { display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; border-radius: var(--radius); background: var(--ink); box-shadow: 0 20px 60px rgba(17, 56, 48, .1); }
.product-intro { padding: 54px; color: var(--white); }
.product-icon { width: 64px; height: 64px; display: block; object-fit: cover; margin-bottom: 36px; border-radius: 15px; background: #000; }
.product-kicker { margin-bottom: 8px; color: #b6c9c2; font-size: 11px; letter-spacing: .08em; }
.product-intro h3 { margin-bottom: 20px; font-size: 39px; letter-spacing: -.04em; }
.product-intro > p:not(.product-kicker) { margin-bottom: 32px; color: #bfd0ca; font-size: 14px; line-height: 1.9; }
.button-light { border-color: var(--lime); color: var(--ink); background: var(--lime); }
.button-light:hover { background: #d6f68d; }
.product-links { display: grid; padding: 30px 44px; background: #19473f; }
.product-links a { display: flex; align-items: center; gap: 22px; padding: 20px 4px; border-bottom: 1px solid rgba(255, 255, 255, .12); color: var(--white); transition: padding .2s ease, background .2s ease; }
.product-links a:last-child { border-bottom: 0; }
.product-links a:hover { padding-right: 12px; padding-left: 12px; background: rgba(255, 255, 255, .035); }
.link-number { color: #8ca79e; font-size: 10px; }
.product-links a > span:nth-child(2) { flex: 1; }
.product-links strong, .product-links small { display: block; }
.product-links strong { font-size: 15px; }
.product-links small { margin-top: 4px; color: #a9c0b8; font-size: 11px; }
.product-links b { color: var(--lime); font-weight: 400; }

.section-heading:not(.split-heading) { text-align: center; }
.section-heading:not(.split-heading) .eyebrow { justify-content: center; }
.section-heading:not(.split-heading) > p:last-child { margin-bottom: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { position: relative; min-height: 315px; padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
.feature-card.featured { border-color: var(--ink); background: var(--mint); }
.feature-number { position: absolute; top: 30px; right: 30px; color: #92a099; font-size: 10px; }
.feature-icon { width: 49px; height: 49px; display: grid; place-items: center; margin-bottom: 40px; border-radius: 13px; color: var(--ink); background: var(--lime-light); font-size: 22px; }
.feature-card h3 { margin-bottom: 15px; font-size: 20px; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.9; }

.about { color: var(--white); background: var(--ink); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.eyebrow-light { color: #b5c8c0; }
.eyebrow-light > span { background: var(--lime); }
.about h2 { margin-bottom: 0; }
.about-copy { padding-top: 42px; color: #bfd0ca; }
.about-copy p { margin-bottom: 20px; line-height: 2; }

.contact { background: var(--white); }
.contact-card { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.contact h2 { margin-bottom: 12px; }
.contact-card > div > p:last-child { margin-bottom: 0; }
.contact-email { position: relative; display: block; padding: 30px 58px 30px 30px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); transition: border-color .2s ease, transform .2s ease; }
.contact-email:hover { border-color: #8ca67a; transform: translateY(-2px); }
.contact-email span, .contact-email strong { display: block; }
.contact-email span { margin-bottom: 7px; color: var(--muted); font-size: 11px; }
.contact-email strong { overflow-wrap: anywhere; font-size: clamp(14px, 1.6vw, 18px); }
.contact-email b { position: absolute; top: 30px; right: 26px; color: #6d8d2b; }

.site-footer { padding: 50px 0 24px; color: #bfd0ca; background: var(--ink-dark); }
.site-footer .brand-mark { color: var(--ink); background: var(--lime); }
.site-footer .brand strong { color: var(--white); }
.site-footer .brand small { color: #87a098; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-bottom: 38px; }
.footer-links { display: flex; gap: 30px; font-size: 12px; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .1); color: #78948b; font-size: 10px; }

@media (max-width: 1000px) {
  .nav { gap: 22px; }
  .header-action { display: none; }
  .hero-grid { gap: 30px; }
  .hero { padding-top: 70px; }
  .hero-visual { transform: scale(.9); }
  .product-intro { padding: 40px; }
  .product-links { padding: 25px 30px; }
  .about-grid { gap: 50px; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 32px, 600px); }
  .header-inner { min-height: 78px; gap: 16px; }
  .brand-mark { width: 37px; height: 37px; }
  .brand strong { font-size: 15px; }
  .nav { gap: 16px; font-size: 12px; }
  .nav a:nth-child(2), .nav a:nth-child(3) { display: none; }
  .hero { padding: 58px 0 70px; }
  .hero-grid, .split-heading, .product-panel, .about-grid, .contact-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 45px; }
  h1 { font-size: clamp(43px, 12vw, 62px); }
  .hero-description { font-size: 15px; }
  .hero-visual { min-height: 470px; transform: none; }
  .hero-visual::before { width: 390px; height: 390px; max-width: 95vw; }
  .orbit-one { width: 430px; height: 430px; max-width: 105vw; }
  .floating-note { right: 0; bottom: 25px; }
  .section { padding: 72px 0; }
  .split-heading, .about-grid, .contact-card { gap: 25px; }
  .product-intro { padding: 36px 28px; }
  .product-icon { margin-bottom: 28px; }
  .product-links { padding: 20px 26px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .feature-icon { margin-bottom: 28px; }
  .about-copy { padding-top: 0; }
  .contact-email { margin-top: 10px; }
  .footer-main, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-links { flex-wrap: wrap; gap: 18px 25px; }
  .footer-bottom { gap: 6px; }
}

@media (max-width: 420px) {
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-points { gap: 14px; }
  .protocol-card { padding: 22px 18px; }
  .floating-note { padding: 12px; }
  .product-links a { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}