:root {
  --ink: #17211e;
  --muted: #68756f;
  --line: #d9e1dd;
  --canvas: #f2f5f3;
  --surface: #ffffff;
  --dark: #0d1714;
  --dark-2: #14231e;
  --green: #2a9a77;
  --green-deep: #16745a;
  --green-light: #75d2b5;
  --warm: #e7bb79;
  --shadow: 0 24px 70px rgba(7, 23, 17, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--canvas); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-header { position: sticky; top: 0; z-index: 50; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 10px max(24px, calc((100vw - 1240px) / 2)); background: rgba(13,23,20,.94); border-bottom: 1px solid rgba(255,255,255,.09); color: #fff; backdrop-filter: blur(16px); }
.site-brand { display: flex; align-items: center; gap: 13px; }
.logo-shell { width: 128px; height: 42px; display: flex; align-items: center; padding: 6px 9px; border-radius: 5px; background: #fff; }
.logo-shell img { display: block; width: 100%; height: auto; }
.brand-text strong, .brand-text small { display: block; }
.brand-text strong { font-size: 13px; }
.brand-text small { color: #91a59d; font-size: 10px; letter-spacing: .08em; }
.site-nav { display: flex; align-items: center; gap: 5px; }
.site-nav a { padding: 9px 13px; border-radius: 4px; color: #aebdb7; font-size: 12px; transition: .2s ease; }
.site-nav a:hover, .site-nav a.active { background: rgba(255,255,255,.08); color: #fff; }
.site-nav a.active { box-shadow: inset 0 -2px var(--green-light); }
.site-nav a[aria-disabled="true"] { opacity: .45; }
.nav-toggle { display: none; border: 1px solid rgba(255,255,255,.16); border-radius: 4px; padding: 7px 11px; background: transparent; color: #fff; }

.hero { position: relative; min-height: 710px; display: grid; grid-template-columns: minmax(0,1.12fr) minmax(390px,.88fr); align-items: center; gap: 76px; padding: 88px max(24px, calc((100vw - 1240px) / 2)) 105px; overflow: hidden; background: radial-gradient(circle at 72% 23%, rgba(42,154,119,.18), transparent 30%), linear-gradient(135deg, #0b1411, #14241e 72%, #10251e); color: #fff; }
.hero::before { content: ""; position: absolute; width: 430px; height: 430px; border: 1px solid rgba(117,210,181,.13); border-radius: 50%; right: -120px; top: 80px; box-shadow: 0 0 0 70px rgba(117,210,181,.025), 0 0 0 140px rgba(117,210,181,.018); }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to right, black, transparent 72%); }
.hero-copy, .chain-console { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--green-light); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.eyebrow i { width: 22px; height: 1px; background: currentColor; }
.eyebrow.dark { color: var(--green-deep); }
.hero h1 { max-width: 760px; margin: 25px 0 24px; font-size: clamp(42px, 5vw, 70px); line-height: 1.12; letter-spacing: -.045em; }
.hero h1 span { color: var(--green-light); }
.hero-copy > p { max-width: 700px; margin: 0; color: #aebdb7; font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 0 22px; border: 1px solid transparent; border-radius: 5px; font-size: 13px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green); color: #fff; }
.button-primary:hover { background: #34aa85; }
.button-ghost { border-color: rgba(255,255,255,.19); color: #d6dfdb; }
.button-ghost:hover { background: rgba(255,255,255,.07); }
.hero-proof { display: flex; flex-wrap: wrap; gap: 21px; margin-top: 38px; color: #859990; font-size: 11px; }
.hero-proof span { display: flex; align-items: center; gap: 7px; }
.hero-proof i { width: 6px; height: 6px; border-radius: 50%; background: var(--green-light); box-shadow: 0 0 0 4px rgba(117,210,181,.09); }

.chain-console { padding: 18px; border: 1px solid rgba(117,210,181,.2); background: rgba(8,17,14,.7); box-shadow: 0 32px 80px rgba(0,0,0,.28); backdrop-filter: blur(12px); }
.console-head, .console-foot { display: flex; align-items: center; justify-content: space-between; padding: 3px 3px 16px; color: #82978e; font-size: 10px; letter-spacing: .08em; }
.console-head i { width: 7px; height: 7px; border-radius: 50%; background: var(--green-light); box-shadow: 0 0 12px var(--green-light); }
.console-step { display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 16px; padding: 18px 16px; border: 1px solid rgba(255,255,255,.09); background: rgba(255,255,255,.035); transition: .2s ease; }
.console-step:hover { border-color: rgba(117,210,181,.42); background: rgba(117,210,181,.08); transform: translateX(4px); }
.step-index { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(117,210,181,.25); color: var(--green-light); font-size: 11px; }
.console-step small, .console-step strong, .console-step em { display: block; }
.console-step small { color: #63786f; font-size: 9px; letter-spacing: .16em; }
.console-step strong { margin-top: 2px; font-size: 17px; }
.console-step em { margin-top: 2px; color: #90a49b; font-size: 11px; font-style: normal; }
.console-step > b { color: var(--green-light); font-size: 18px; }
.connector { height: 42px; display: flex; align-items: center; gap: 12px; padding-left: 37px; color: #657970; font-size: 9px; }
.connector i { height: 42px; width: 1px; background: linear-gradient(var(--green-light), rgba(117,210,181,.12)); }
.console-foot { padding: 17px 3px 2px; }
.console-foot strong { color: var(--green-light); font-size: 9px; }

.section { padding: 105px max(24px, calc((100vw - 1240px) / 2)); }
.section-heading { max-width: 770px; }
.section-heading h2, .principle-intro h2 { margin: 18px 0 17px; font-size: clamp(32px, 4vw, 50px); line-height: 1.25; letter-spacing: -.035em; }
.section-heading p, .principle-intro p { margin: 0; color: var(--muted); font-size: 15px; }
.question-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; margin-top: 58px; border: 1px solid var(--line); background: var(--line); box-shadow: var(--shadow); }
.question-grid article { min-height: 250px; padding: 31px; background: #fff; }
.question-grid article > span { color: var(--green-deep); font-size: 11px; font-weight: 800; }
.question-grid h3 { margin: 45px 0 12px; font-size: 20px; }
.question-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.products-section { background: var(--dark); color: #fff; }
.section-heading.light p { color: #91a39b; }
.product-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin-top: 58px; }
.product-card { min-height: 520px; display: flex; flex-direction: column; padding: 28px; border: 1px solid rgba(255,255,255,.11); background: #14221d; transition: .25s ease; }
.product-card:hover { transform: translateY(-7px); border-color: rgba(117,210,181,.48); box-shadow: 0 30px 60px rgba(0,0,0,.22); }
.product-card.featured { background: linear-gradient(160deg, #173329, #14221d); border-color: rgba(117,210,181,.35); }
.product-top { display: flex; align-items: center; justify-content: space-between; color: #71847c; font-size: 9px; letter-spacing: .14em; }
.product-top i { width: 8px; height: 8px; border: 1px solid var(--green-light); transform: rotate(45deg); }
.product-card h3 { margin: 42px 0 17px; font-size: 25px; }
.product-card > p { margin: 0; color: #9baea5; font-size: 13px; }
.product-card ul { display: grid; gap: 10px; margin: 31px 0; padding: 24px 0 0; border-top: 1px solid rgba(255,255,255,.09); list-style: none; }
.product-card li { position: relative; padding-left: 18px; color: #bdc9c4; font-size: 12px; }
.product-card li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 1px; background: var(--green-light); }
.product-card > strong { display: flex; justify-content: space-between; margin-top: auto; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.09); color: var(--green-light); font-size: 12px; }

.path-section { background: #fff; }
.path-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 14px; margin-top: 65px; }
.path-grid > div { min-height: 172px; padding: 24px; border: 1px solid var(--line); background: var(--canvas); }
.path-grid span, .path-grid strong, .path-grid small { display: block; }
.path-grid span { color: var(--green-deep); font-size: 10px; font-weight: 800; }
.path-grid strong { margin: 33px 0 6px; font-size: 17px; }
.path-grid small { color: var(--muted); font-size: 11px; }
.path-grid > i { color: #9cb0a7; font-size: 17px; font-style: normal; }

.principles-section { display: grid; grid-template-columns: minmax(280px,.8fr) minmax(420px,1.2fr); gap: 100px; background: #e9efec; }
.principle-list { display: grid; }
.principle-list article { display: grid; grid-template-columns: 46px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid #cbd6d1; }
.principle-list article:first-child { padding-top: 0; }
.principle-list article > span { color: var(--green-deep); font-size: 10px; font-weight: 800; }
.principle-list h3 { margin: 0 0 6px; font-size: 17px; }
.principle-list p { margin: 0; color: var(--muted); font-size: 12px; }

.cta-section { display: flex; align-items: flex-end; justify-content: space-between; gap: 50px; padding: 84px max(24px, calc((100vw - 1240px) / 2)); background: linear-gradient(110deg, #14745a, #1c8a69); color: #fff; }
.cta-copy h2 { margin: 15px 0 11px; font-size: clamp(32px,4vw,48px); line-height: 1.22; }
.cta-copy p { margin: 0; color: #c8e3d9; }
.button-light { flex: 0 0 auto; background: #fff; color: var(--green-deep); }

.site-footer { padding: 45px max(24px, calc((100vw - 1240px) / 2)) 28px; background: #0b1310; color: #899b93; }
.footer-brand { display: flex; align-items: center; gap: 15px; }
.footer-brand strong, .footer-brand small { display: block; }
.footer-brand strong { color: #fff; font-size: 14px; }
.footer-brand small { margin-top: 2px; font-size: 10px; }
.site-footer > nav { display: flex; flex-wrap: wrap; gap: 18px; margin: 31px 0; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); font-size: 11px; }
.site-footer > nav a:hover { color: #fff; }
.footer-legal, .filing-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; font-size: 10px; text-align: center; }
.filing-links { margin-top: 9px; }
.police-filing { display: inline-flex; align-items: center; gap: 5px; }
.police-filing img { width: 18px; height: 18px; object-fit: contain; }
.filing-links a:hover { color: #fff; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 52px; }
  .chain-console { width: min(620px,100%); }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 420px; }
  .path-grid { grid-template-columns: repeat(2,1fr); }
  .path-grid > i { display: none; }
  .principles-section { grid-template-columns: 1fr; gap: 55px; }
}

@media (max-width: 720px) {
  .site-header { min-height: 64px; }
  .brand-text { display: none; }
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 64px; left: 0; right: 0; display: none; padding: 12px 20px 17px; background: #0d1714; border-bottom: 1px solid rgba(255,255,255,.1); }
  .site-nav.open { display: grid; }
  .site-nav a { padding: 11px 12px; }
  .hero { min-height: auto; padding-top: 70px; }
  .hero h1 { font-size: 41px; }
  .question-grid { grid-template-columns: 1fr; }
  .question-grid article { min-height: 210px; }
  .cta-section { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 500px) {
  .section { padding-top: 76px; padding-bottom: 76px; }
  .hero { padding-bottom: 80px; }
  .hero h1 { font-size: 35px; }
  .hero-copy > p { font-size: 14px; }
  .hero-actions .button { width: 100%; }
  .console-step { grid-template-columns: 46px 1fr; }
  .console-step > b { display: none; }
  .path-grid { grid-template-columns: 1fr; }
  .footer-brand { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}