:root {
  --cream: #fff9ef;
  --cream-deep: #f7eddd;
  --paper: #fffdf8;
  --ink: #26322d;
  --muted: #68736d;
  --green: #3d7658;
  --green-dark: #27543d;
  --green-pale: #e4f0e7;
  --coral: #d95a43;
  --gold: #e2a54d;
  --line: rgba(45, 75, 59, .15);
  --shadow: 0 24px 70px rgba(58, 76, 65, .12);
  --shell: min(1180px, calc(100vw - 48px));
  --site-header-height: 76px;
  --anchor-gap: 18px;
  font-family: Inter, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--cream);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-block-start: calc(var(--site-header-height) + var(--anchor-gap)); }
body { margin: 0; background: var(--cream); color: var(--ink); line-height: 1.7; }
body.menu-open { position: fixed; width: 100%; overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
[id] { scroll-margin-block-start: calc(var(--site-header-height) + var(--anchor-gap)); }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: -80px; z-index: 100; padding: 12px 18px; background: var(--ink); color: white; border-radius: 10px; }
.skip-link:focus { top: 14px; }

.site-header { position: sticky; inset-block-start: 0; z-index: 30; border-bottom: 1px solid transparent; background: rgba(255, 249, 239, .98); backdrop-filter: blur(18px); transition: border-color .2s ease, box-shadow .2s ease; }
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 10px 35px rgba(51, 74, 62, .07); }
.header-inner { min-height: 76px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { width: 96px; display: block; }
.brand-logo img { width: 100%; height: auto; }
.desktop-nav { justify-self: end; display: flex; gap: 30px; color: #4f5e56; font-size: 15px; }
.desktop-nav a, .footer-links a { transition: color .2s ease; }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .footer-links a:hover, .footer-links a:focus-visible { color: var(--green); }
.header-login { padding: 10px 17px; border: 1px solid var(--green); color: var(--green-dark); border-radius: 999px; font-size: 14px; font-weight: 650; }
.header-login:hover, .header-login:focus-visible { background: var(--green); color: white; }
.menu-button, .mobile-menu { display: none; }

.hero { position: relative; min-height: 720px; overflow: hidden; padding: 105px 0 90px; background: radial-gradient(circle at 78% 20%, rgba(226,165,77,.23), transparent 26%), radial-gradient(circle at 86% 80%, rgba(61,118,88,.16), transparent 24%); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: radial-gradient(rgba(61,118,88,.12) 1px, transparent 1px); background-size: 25px 25px; mask-image: linear-gradient(to right, transparent 35%, black); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(400px, .98fr); align-items: center; gap: 72px; position: relative; }
.eyebrow { margin: 0 0 18px; color: var(--green); font-size: 13px; font-weight: 750; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; font-family: "Songti SC", "Noto Serif CJK SC", serif; }
h1 { max-width: 700px; margin-bottom: 28px; font-size: clamp(48px, 6vw, 78px); line-height: 1.11; letter-spacing: -.045em; font-weight: 650; }
.hero-lead { max-width: 620px; margin: 0 0 35px; color: #55635c; font-size: clamp(18px, 2vw, 21px); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 12px 22px; border-radius: 999px; font-weight: 680; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.arrow-icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s ease; }
.button:hover .arrow-icon, .button:focus-visible .arrow-icon { transform: translateX(3px); }
.button.primary { background: var(--green-dark); color: white; box-shadow: 0 12px 30px rgba(39,84,61,.22); }
.button.quiet { border: 1px solid var(--line); background: rgba(255,255,255,.45); }
.button.light { background: white; color: var(--green-dark); }
.login-note { margin-top: 18px; color: #7b837f; font-size: 13px; }
.hero-visual { position: relative; min-height: 470px; display: grid; place-items: center; }
.fruit-card { position: relative; z-index: 3; width: 270px; aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 17px; border: 1px solid rgba(255,255,255,.8); border-radius: 38% 62% 55% 45% / 49% 36% 64% 51%; background: rgba(255,253,248,.9); box-shadow: var(--shadow); transform: rotate(-3deg); }
.fruit-card img { width: 228px; height: auto; border-radius: 18px; }
.fruit-card span { font-family: "Songti SC", serif; font-size: 17px; font-weight: 650; }
.orbit { position: absolute; border: 1px solid rgba(61,118,88,.22); border-radius: 50%; }
.orbit-one { width: 390px; height: 390px; transform: rotate(15deg); }
.orbit-two { width: 470px; height: 315px; transform: rotate(-18deg); }
.mini-card { position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px; padding: 11px 16px; border: 1px solid rgba(255,255,255,.8); border-radius: 999px; background: rgba(255,255,255,.9); box-shadow: 0 15px 35px rgba(47,69,58,.11); font-size: 14px; font-weight: 650; }
.mini-card span { color: var(--coral); }
.mini-one { left: 2%; top: 23%; }
.mini-two { right: 0; top: 38%; }
.mini-three { left: 10%; bottom: 14%; }

.section { padding: 110px 0; }
.section-heading { max-width: 760px; margin-bottom: 55px; }
.section-heading h2, .entry-panel h2 { margin-bottom: 20px; font-size: clamp(35px, 4vw, 50px); line-height: 1.2; letter-spacing: -.03em; }
.section-heading > p:last-child { color: var(--muted); font-size: 17px; }
.companion { background: var(--paper); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 290px; padding: 31px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(150deg, white, #fbf8f0); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(61,118,88,.3); box-shadow: 0 20px 45px rgba(58,76,65,.1); }
.feature-icon, .future-icon, .safety-icon { display: inline-grid; place-items: center; color: var(--green-dark); background: var(--green-pale); }
.feature-icon { width: 56px; height: 56px; margin-bottom: 38px; border-radius: 18px; }
.feature-icon svg, .future-icon svg, .safety-icon svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.feature-icon .accent, .future-icon .accent, .safety-icon .accent { stroke: var(--coral); }
.feature-card h3, .future-card h3 { margin-bottom: 13px; font-size: 26px; letter-spacing: -.02em; }
.feature-card p, .future-card p { margin: 0; color: var(--muted); }
.system-entry { padding: 72px 0; background: var(--paper); }
.entry-panel { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding: 48px 54px; border-radius: 30px; color: white; background: var(--green-dark); box-shadow: var(--shadow); }
.entry-panel h2 { margin-bottom: 10px; }
.entry-panel p { max-width: 700px; margin: 0; color: rgba(255,255,255,.77); }
.entry-panel .eyebrow { color: #b9dfc6; }
.future { background: var(--cream-deep); }
.split-heading { max-width: none; display: grid; grid-template-columns: 1fr .8fr; gap: 80px; align-items: end; }
.split-heading h2 { margin-bottom: 0; }
.future-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.future-card { position: relative; min-height: 330px; padding: 38px; overflow: hidden; border: 1px solid transparent; border-radius: 30px; background: var(--paper); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.future-card:hover { transform: translateY(-4px); border-color: rgba(61,118,88,.2); box-shadow: 0 20px 50px rgba(58,76,65,.08); }
.future-card::after { content: ""; position: absolute; width: 190px; height: 190px; right: -58px; bottom: -70px; border-radius: 50%; background: rgba(61,118,88,.1); }
.group-card::after { background: rgba(226,165,77,.15); }
.future-heading { display: flex; align-items: center; gap: 14px; margin-bottom: 44px; }
.future-icon { width: 48px; height: 48px; flex: 0 0 auto; border-radius: 15px; }
.future-icon svg { width: 27px; height: 27px; }
.future-tag { margin: 0; color: var(--green); font-size: 13px; font-weight: 750; letter-spacing: .12em; }
.status-chip { display: inline-flex; margin-top: 25px; padding: 6px 12px; border-radius: 999px; background: var(--green-pale); color: var(--green-dark); font-size: 12px; font-weight: 700; }
.safety { background: var(--paper); }
.safety-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 95px; }
.safety-list article { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 26px 0; border-top: 1px solid var(--line); }
.safety-list article:last-child { border-bottom: 1px solid var(--line); }
.safety-icon { width: 48px; height: 48px; border-radius: 15px; }
.safety-icon svg { width: 27px; height: 27px; }
.safety-list h3 { margin-bottom: 7px; font-size: 21px; }
.safety-list p { margin: 0; color: var(--muted); }
.site-footer { padding: 52px 0; background: #203028; color: white; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand div { display: flex; flex-direction: column; }
.footer-brand strong { font-family: "Songti SC", serif; font-size: 20px; letter-spacing: .08em; }
.footer-brand span, .footer-note { color: rgba(255,255,255,.58); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; font-size: 13px; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; gap: 6px; }
.external-icon { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.footer-note { grid-column: 1 / -1; margin: 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); }
.legal { max-width: 780px; }
.legal h1 { font-size: clamp(42px, 6vw, 64px); }
.legal h2 { margin-top: 48px; margin-bottom: 12px; font-size: 27px; }
.legal p { color: var(--muted); font-size: 17px; }
.legal .button { margin-top: 24px; color: var(--ink); }
:focus-visible { outline: 3px solid rgba(217,90,67,.55); outline-offset: 4px; }

@media (max-width: 900px) {
  :root { --shell: min(100% - 40px, 720px); --site-header-height: 70px; }
  .desktop-nav, .header-login { display: none; }
  .header-inner { grid-template-columns: 1fr auto; }
  .header-inner { min-height: 70px; }
  .brand-logo { width: 84px; }
  .menu-button { width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; border: 0; border-radius: 50%; background: transparent; }
  .menu-button span { width: 21px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-menu { position: absolute; inset: 100% 0 auto; display: grid; gap: 5px; padding: 10px 20px 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--cream); box-shadow: 0 18px 35px rgba(51, 74, 62, .1); }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu a { min-height: 46px; display: flex; align-items: center; padding: 8px 12px; border-radius: 12px; }
  .mobile-login { margin-top: 8px; justify-content: center; color: white; background: var(--green-dark); }
  .hero { min-height: auto; padding: 75px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; gap: 45px; }
  .hero-visual { min-height: 420px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 235px; }
  .entry-panel { align-items: flex-start; flex-direction: column; }
  .split-heading, .safety-grid { grid-template-columns: 1fr; gap: 24px; }
  .future-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  :root { --shell: calc(100% - 32px); }
  .hero { padding-top: 58px; }
  h1 { font-size: clamp(42px, 13vw, 58px); }
  .hero-lead { font-size: 17px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-visual { min-height: 355px; transform: scale(.9); margin: -15px 0; }
  .fruit-card { width: 225px; }
  .orbit-one { width: 310px; height: 310px; }
  .orbit-two { width: 360px; height: 250px; }
  .mini-card { font-size: 12px; }
  .mini-one { left: -2%; }
  .mini-two { right: -5%; }
  .mini-three { left: 2%; }
  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .entry-panel h2 { font-size: 34px; }
  .feature-card, .future-card { padding: 26px; }
  .entry-panel { padding: 32px 25px; }
  .future-heading { margin-bottom: 34px; }
  .footer-links { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}