:root {
  --ink: #163426;
  --ink-deep: #0b2418;
  --leaf: #1f6a42;
  --leaf-bright: #4f9d52;
  --rice: #f4f0e4;
  --paper: #fbfaf5;
  --soil: #b65e2e;
  --gold: #d9a441;
  --line: rgba(22, 52, 38, .18);
  --display: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
button, a { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
.skip-link { position: fixed; top: -80px; left: 18px; z-index: 100; padding: 10px 16px; background: #fff; border-radius: 0 0 8px 8px; }
.skip-link:focus { top: 0; }

.site-header {
  position: absolute; z-index: 20; top: 0; left: 0; width: 100%; height: 92px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 5vw;
  color: white; border-bottom: 1px solid rgba(255,255,255,.22);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 56px; height: 56px; object-fit: contain; background: rgba(255,255,255,.92); border-radius: 50%; padding: 3px; }
.brand span { display: grid; line-height: 1.05; }
.brand strong { font-family: var(--display); font-size: 24px; letter-spacing: .14em; }
.brand small { margin-top: 5px; font-size: 11px; letter-spacing: .48em; opacity: .72; }
.main-nav { display: flex; align-items: center; gap: clamp(18px, 2.7vw, 42px); font-size: 14px; }
.main-nav > a { position: relative; padding: 12px 0; }
.main-nav > a::after { content: ""; position: absolute; left: 0; bottom: 5px; width: 0; height: 1px; background: white; transition: width .25s ease; }
.main-nav > a:hover::after, .main-nav > a:focus-visible::after { width: 100%; }
.nav-cta { border: 1px solid rgba(255,255,255,.65); background: rgba(255,255,255,.08); color: white; padding: 11px 19px; border-radius: 999px; cursor: pointer; backdrop-filter: blur(8px); }
.nav-cta:hover { background: white; color: var(--ink); }
.menu-toggle { display: none; }

.hero { min-height: 800px; height: 100svh; position: relative; display: flex; align-items: center; overflow: hidden; color: white; background: var(--ink-deep); }
.hero-media { position: absolute; inset: 0; background: url('/company-assets/hero-agriculture-v2.webp') center center/cover no-repeat; transform: scale(1.04); animation: settle 1.8s cubic-bezier(.2,.8,.2,1) forwards; }
.hero-wash { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,31,19,.88) 0%, rgba(9,42,26,.68) 43%, rgba(10,39,26,.13) 72%), linear-gradient(0deg, rgba(8,31,21,.7), transparent 45%); }
.field-lines { position: absolute; inset: 0; opacity: .18; background: repeating-linear-gradient(112deg, transparent 0 86px, rgba(255,255,255,.18) 87px, transparent 88px); transform: translateX(31%); }
.hero-content { position: relative; z-index: 2; width: min(940px, 76vw); margin-left: 8vw; padding-top: 38px; }
.eyebrow { display: flex; align-items: center; gap: 13px; margin: 0 0 24px; font-size: 13px; letter-spacing: .22em; opacity: .86; }
.eyebrow span { width: 42px; height: 1px; background: var(--gold); }
.hero h1 { margin: 0; font-family: var(--display); font-size: clamp(58px, 6.5vw, 104px); font-weight: 700; line-height: 1.05; letter-spacing: -.055em; }
.hero h1 em { display: inline-block; margin-top: 10px; color: #f0b452; font-style: normal; text-shadow: 0 8px 38px rgba(0,0,0,.25); }
.hero-lead { max-width: 700px; margin: 32px 0 0; font-size: clamp(16px, 1.18vw, 19px); line-height: 1.9; letter-spacing: .025em; color: rgba(255,255,255,.8); }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 28px; border: 0; border-radius: 2px; padding: 0 25px; cursor: pointer; transition: transform .25s ease, background .25s ease, color .25s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--gold); color: var(--ink-deep); font-weight: 650; }
.button-ghost { border: 1px solid rgba(255,255,255,.38); color: white; background: rgba(255,255,255,.05); }
.button-ghost:hover { background: rgba(255,255,255,.14); }
.hero-proof { position: absolute; z-index: 3; right: 5vw; bottom: 12vh; width: 320px; padding: 26px; border: 1px solid rgba(255,255,255,.24); background: rgba(11,36,24,.58); backdrop-filter: blur(16px); box-shadow: 0 28px 70px rgba(0,0,0,.18); }
.hero-proof > p { margin: 0 0 17px; font-size: 11px; letter-spacing: .22em; color: rgba(255,255,255,.65); }
.proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.proof-grid span { font-size: 10px; line-height: 1.5; color: rgba(255,255,255,.64); }
.proof-grid strong { display: block; margin-bottom: 4px; font-family: var(--display); font-size: 20px; color: white; }
.scroll-cue { position: absolute; z-index: 3; left: 5vw; bottom: 34px; display: flex; gap: 14px; align-items: center; font-size: 11px; letter-spacing: .2em; opacity: .72; }
.scroll-cue i { width: 52px; height: 1px; background: rgba(255,255,255,.65); position: relative; overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; inset: 0; background: white; transform: translateX(-100%); animation: scan 2s infinite; }

.trust-band { position: relative; z-index: 5; display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); width: min(1180px, 88vw); min-height: 142px; margin: -66px auto 0; color: var(--ink); background: #f5e8c6; box-shadow: 0 24px 70px rgba(13,48,30,.18); }
.trust-band > div { display: flex; flex-direction: column; justify-content: center; padding: 28px 32px; border-right: 1px solid rgba(22,52,38,.14); }
.trust-band > div:last-child { border-right: 0; }
.trust-intro { color: white; background: var(--soil); }
.trust-intro span { margin-bottom: 10px; font-size: 10px; letter-spacing: .22em; opacity: .72; }
.trust-intro strong { font-family: var(--display); font-size: 23px; font-weight: 600; }
.trust-point { position: relative; }
.trust-point b { position: absolute; top: 18px; right: 18px; font-family: var(--display); font-size: 28px; color: rgba(22,52,38,.12); }
.trust-point span { font-family: var(--display); font-size: 20px; }
.trust-point small { margin-top: 9px; color: #6d776f; }

.section-pad { padding: 128px 8vw; }
.section-kicker { display: flex; align-items: center; gap: 11px; margin-bottom: 45px; font-size: 12px; letter-spacing: .18em; color: var(--leaf); }
.section-kicker span { display: inline-grid; place-items: center; width: 34px; height: 34px; border: 1px solid currentColor; border-radius: 50%; font-size: 10px; }
.section-kicker.light { color: #cae2cf; }
.intro { margin-top: -76px; padding-top: 236px; background: linear-gradient(180deg, #eee7d6 0%, var(--rice) 38%); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .45fr); gap: 9vw; align-items: end; }
.intro h2 { margin: 0; max-width: 980px; font-family: var(--display); font-size: clamp(38px, 4.35vw, 72px); line-height: 1.28; letter-spacing: -.04em; font-weight: 650; }
.intro h2 span { color: var(--soil); }
.intro-note { padding-left: 24px; border-left: 1px solid var(--line); }
.intro-note p { margin: 0; color: #53665b; line-height: 2; font-size: 15px; }
.intro-note a { display: inline-flex; gap: 30px; margin-top: 26px; padding-bottom: 8px; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 650; }
.service-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 104px; align-items: start; }
.service-card { position: relative; min-height: 440px; padding: 38px; border: 1px solid var(--line); background: rgba(255,255,255,.68); overflow: hidden; transition: transform .3s ease, box-shadow .3s ease; }
.service-card:nth-child(3) { margin-top: 34px; }
.service-card:hover { transform: translateY(-8px); box-shadow: 0 22px 60px rgba(31,65,44,.12); }
.service-card.featured { min-height: 480px; background: var(--ink); color: white; border-color: var(--ink); transform: translateY(-32px); box-shadow: 0 26px 64px rgba(23,63,42,.18); }
.service-card.featured:hover { transform: translateY(-40px); }
.card-number { font-size: 11px; letter-spacing: .2em; opacity: .5; }
.card-icon { display: grid; place-items: center; width: 70px; height: 70px; margin: 42px 0 28px; border: 1px solid currentColor; border-radius: 50%; font-family: var(--display); font-size: 28px; }
.service-card h3 { font-family: var(--display); font-size: 27px; margin: 0 0 14px; }
.service-card p { min-height: 68px; margin: 0; color: #617168; line-height: 1.7; font-size: 14px; }
.service-card.featured p { color: rgba(255,255,255,.68); }
.service-card ul { margin: 24px 0 0; padding: 18px 0 0; border-top: 1px solid currentColor; list-style: none; opacity: .8; }
.service-card li { margin: 9px 0; font-size: 12px; }
.service-card li::before { content: "·"; margin-right: 9px; color: var(--gold); }

.resources { position: relative; color: white; background: var(--ink-deep); overflow: hidden; }
.resources::before { content: "资源"; position: absolute; right: -2vw; top: 14px; font-family: var(--display); font-size: clamp(150px, 20vw, 330px); color: rgba(255,255,255,.025); line-height: 1; }
.resource-heading { position: relative; display: grid; grid-template-columns: .42fr 1.15fr .58fr; gap: 6vw; align-items: end; margin-bottom: 76px; }
.resource-heading .section-kicker { margin: 0; }
.resource-heading h2 { margin: 0; font-family: var(--display); font-size: clamp(38px, 4vw, 68px); line-height: 1.2; }
.resource-heading > p { margin: 0; color: rgba(255,255,255,.58); line-height: 1.8; }
.resource-list { border-top: 1px solid rgba(255,255,255,.2); }
.resource-item { display: grid; grid-template-columns: 80px 1.1fr 1fr 55px; align-items: center; min-height: 116px; border-bottom: 1px solid rgba(255,255,255,.18); transition: padding .25s ease, background .25s ease; }
.resource-item:hover { padding: 0 22px; background: rgba(255,255,255,.055); }
.resource-item > span { font-size: 11px; color: var(--gold); }
.resource-item h3 { margin: 0; font-family: var(--display); font-size: clamp(24px, 2.7vw, 42px); font-weight: 500; }
.resource-item p { margin: 0; color: rgba(255,255,255,.53); }
.resource-item i { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; font-style: normal; }

.process { position: relative; display: grid; grid-template-columns: .78fr 1.22fr; gap: 9vw; background: linear-gradient(90deg, var(--paper) 0 46%, #f3efe4 46% 100%); }
.process-copy { position: sticky; top: 100px; align-self: start; }
.process-copy h2 { margin: 0; font-family: var(--display); font-size: clamp(38px, 4vw, 64px); line-height: 1.25; }
.process-copy > p { max-width: 420px; color: #647168; line-height: 1.8; }
.process-steps { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.process-steps li { display: grid; grid-template-columns: 80px 1fr; gap: 20px; min-height: 175px; padding: 38px 24px; border-top: 1px solid var(--line); transition: background .25s ease, transform .25s ease; }
.process-steps li:hover { background: rgba(255,255,255,.58); transform: translateX(8px); }
.process-steps li:last-child { border-bottom: 1px solid var(--line); }
.process-steps strong { font-family: var(--display); font-size: 16px; color: var(--soil); }
.process-steps h3 { margin: 0 0 13px; font-family: var(--display); font-size: 29px; }
.process-steps p { margin: 0; color: #6b756e; line-height: 1.8; }

.system { color: white; background: #204a33; }
.system-grid { display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: 1fr 1fr; gap: 16px; }
.product-panel { position: relative; min-height: 310px; padding: 44px; overflow: hidden; background: #f0ead9; color: var(--ink); }
.main-product { grid-row: 1 / 3; min-height: 650px; background: #e5b550; }
.diary-product { background: #edf0df; }
.ai-product { background: #112d1f; color: white; }
.product-label { margin: 0 0 48px; font-size: 11px; letter-spacing: .2em; opacity: .6; }
.product-panel h2 { margin: 0; font-family: var(--display); font-size: clamp(35px, 4.4vw, 70px); line-height: 1.08; }
.product-panel > p:not(.product-label) { max-width: 390px; line-height: 1.8; opacity: .72; }
.text-button { position: absolute; left: 40px; bottom: 40px; padding: 0 0 7px; border: 0; border-bottom: 1px solid currentColor; background: transparent; cursor: pointer; }
.phone-mock { position: absolute; width: 235px; height: 450px; right: -20px; bottom: -70px; border: 8px solid #173528; border-radius: 38px; background: #f9f6ea; transform: rotate(7deg); box-shadow: 0 24px 70px rgba(52,39,7,.25); }
.phone-top { width: 75px; height: 19px; margin: 6px auto 18px; border-radius: 20px; background: #173528; }
.phone-screen { padding: 22px; color: var(--ink); }
.phone-screen span { display: block; font-size: 10px; letter-spacing: .15em; opacity: .6; }
.phone-screen b { display: block; margin: 35px 0 22px; font-family: var(--display); font-size: 28px; }
.phone-screen i { display: block; height: 62px; margin: 10px 0; border-radius: 9px; background: linear-gradient(110deg, #dce7c7, #98b678); }
.diary-visual { position: absolute; right: 35px; bottom: 32px; width: 230px; padding: 18px; background: white; box-shadow: 0 14px 40px rgba(50,70,40,.12); transform: rotate(-2deg); }
.diary-visual span, .diary-visual i { display: block; font-size: 10px; color: #71806f; font-style: normal; }
.diary-visual strong { display: block; margin: 12px 0 22px; font-family: var(--display); }
.orbit { position: absolute; right: 35px; bottom: 28px; width: 190px; height: 150px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
.orbit b { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); font-family: var(--display); font-size: 34px; color: var(--gold); }
.orbit span { position: absolute; font-size: 10px; color: rgba(255,255,255,.62); }
.orbit span:nth-child(1) { top: -5px; left: 50%; }.orbit span:nth-child(2) { right: -6px; top: 48%; }.orbit span:nth-child(3) { bottom: -5px; left: 48%; }.orbit span:nth-child(4) { left: -6px; top: 48%; }

.about { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 720px; padding: 0; background: var(--rice); }
.about-image { min-height: 700px; background: linear-gradient(rgba(21,54,36,.06), rgba(21,54,36,.18)), url('/company-assets/about-field-service-v2.webp') center 56%/cover no-repeat; }
.about-copy { align-self: center; padding: 8vw; }
.about-copy blockquote { position: relative; margin: 0 0 34px; font-family: var(--display); font-size: clamp(37px, 4vw, 64px); line-height: 1.32; }
.about-copy blockquote::before { content: "“"; position: absolute; left: -48px; top: -36px; font-size: 100px; color: rgba(182,94,46,.18); }
.about-copy > p { max-width: 550px; color: #637168; line-height: 1.9; }
.about-values { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 35px; }
.about-values span { padding: 9px 15px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; }

.final-cta { position: relative; display: grid; grid-template-columns: 1.3fr .7fr; gap: 6vw; align-items: end; padding: 112px 8vw; color: white; background: var(--soil); overflow: hidden; }
.final-cta::after { content: ""; position: absolute; right: -12vw; top: -19vw; width: 38vw; height: 38vw; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.035), 0 0 0 140px rgba(255,255,255,.025); }
.final-cta > * { position: relative; z-index: 1; }
.final-copy > p { margin: 0 0 22px; font-size: 13px; letter-spacing: .12em; color: rgba(255,255,255,.7); }
.final-copy h2 { margin: 0; font-family: var(--display); font-size: clamp(38px, 4.3vw, 68px); line-height: 1.2; }
.final-action { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.button-light { background: white; color: var(--soil); font-weight: 650; }
.final-action small { opacity: .72; }
.site-footer { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 30px; align-items: center; padding: 45px 5vw 28px; background: #091d14; color: rgba(255,255,255,.62); font-size: 12px; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: white; font-family: var(--display); font-size: 18px; }
.footer-brand img { border-radius: 50%; background: white; }
.site-footer > p { text-align: center; }
.site-footer > div { display: flex; justify-content: flex-end; gap: 22px; }
.site-footer > small { grid-column: 1/-1; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); text-align: center; }

.mini-dialog { width: min(500px, calc(100vw - 34px)); padding: 42px; border: 0; border-radius: 3px; color: var(--ink); background: var(--rice); box-shadow: 0 28px 90px rgba(0,0,0,.3); }
.mini-dialog::backdrop { background: rgba(5,25,15,.78); backdrop-filter: blur(6px); }
.dialog-close { position: absolute; right: 18px; top: 14px; border: 0; background: transparent; font-size: 28px; cursor: pointer; }
.dialog-label { color: var(--soil); font-size: 11px; letter-spacing: .18em; }
.mini-dialog h2 { font-family: var(--display); font-size: 32px; }
.mini-dialog > p:not(.dialog-label) { color: #617068; line-height: 1.8; }
.copy-name { width: 100%; margin-top: 12px; padding: 14px; border: 0; background: var(--ink); color: white; cursor: pointer; }
.copy-status { display: block; height: 18px; margin-top: 10px; color: var(--leaf); text-align: center; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes settle { from { transform: scale(1.12); } to { transform: scale(1.04); } }
@keyframes scan { 50%,100% { transform: translateX(100%); } }

@media (max-width: 980px) {
  .site-header { height: 78px; padding: 0 22px; }
  .brand img { width: 48px; height: 48px; }.brand strong { font-size: 20px; }
  .menu-toggle { display: grid; gap: 7px; width: 44px; height: 44px; place-content: center; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; background: rgba(0,0,0,.1); z-index: 3; }
  .menu-toggle span { display: block; width: 19px; height: 1px; background: white; transition: transform .2s ease; }
  .menu-open .menu-toggle span:first-child { transform: translateY(4px) rotate(45deg); }.menu-open .menu-toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .main-nav { position: fixed; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 22px; background: var(--ink-deep); font-family: var(--display); font-size: 25px; visibility: hidden; opacity: 0; transition: opacity .2s ease, visibility .2s; }
  .menu-open .main-nav { visibility: visible; opacity: 1; }
  .hero-content { width: 84vw; margin-left: 8vw; }.hero h1 { font-size: clamp(54px, 10vw, 86px); }
  .hero-proof { display: none; }
  .trust-band { grid-template-columns: 1fr 1fr; width: 88vw; margin-top: -54px; }
  .trust-band > div:nth-child(2) { border-right: 0; }.trust-band > div { min-height: 120px; }
  .section-pad { padding: 90px 6vw; }
  .intro-grid, .resource-heading, .process, .final-cta { grid-template-columns: 1fr; }
  .intro { margin-top: -70px; padding-top: 190px; }.intro-grid { gap: 36px; }.intro-note { padding-left: 0; padding-top: 24px; border-left: 0; border-top: 1px solid var(--line); }
  .service-cards { grid-template-columns: 1fr; margin-top: 66px; }.service-card.featured, .service-card:nth-child(3) { margin-top: 0; transform: none; }.service-card.featured:hover { transform: translateY(-8px); }
  .resource-heading { gap: 25px; }.resource-heading .section-kicker { margin-bottom: 15px; }
  .process { gap: 60px; background: var(--paper); }.process-copy { position: static; }
  .system-grid { grid-template-columns: 1fr; grid-template-rows: auto; }.main-product { grid-row: auto; }
  .about { grid-template-columns: 1fr; }.about-image { min-height: 480px; }.about-copy { padding: 90px 7vw; }
  .final-action { margin-top: 20px; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }.footer-brand { justify-content: center; }.site-footer > div { justify-content: center; }.site-footer > small { grid-column: auto; }
}

@media (max-width: 620px) {
  .hero { min-height: 720px; }.hero-media { background-position: 58% center; }.hero-wash { background: linear-gradient(90deg, rgba(6,31,19,.88), rgba(9,42,26,.45)); }
  .hero-content { width: 88vw; margin-left: 6vw; padding-top: 20px; }.hero h1 { font-size: 48px; line-height: 1.12; }.hero h1 em { margin-top: 8px; }.hero-lead br { display: none; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 320px; }.button { width: 100%; }
  .scroll-cue { display: none; }.trust-band { grid-template-columns: 1fr 1fr; width: 92vw; margin-top: -42px; }.trust-band > div { min-height: 102px; padding: 20px; }.trust-intro { grid-column: 1 / -1; }.trust-intro strong { font-size: 21px; }.trust-point:last-child { grid-column: 1 / -1; }.section-pad { padding: 75px 6vw; }.section-kicker { margin-bottom: 32px; }
  .intro { margin-top: -82px; padding-top: 178px; }.intro h2 { font-size: 36px; }.service-cards { margin-top: 55px; }.service-card, .service-card.featured { min-height: auto; padding: 28px; }.card-icon { margin: 28px 0 22px; }
  .resource-item { grid-template-columns: 42px 1fr 40px; min-height: 92px; }.resource-item p { display: none; }.resource-item h3 { font-size: 27px; }
  .process-steps li { grid-template-columns: 48px 1fr; min-height: auto; }.process-copy h2 { font-size: 40px; }
  .product-panel { min-height: 400px; padding: 28px; }.main-product { min-height: 570px; }.product-label { margin-bottom: 28px; }.text-button { left: 28px; bottom: 28px; }
  .phone-mock { width: 205px; height: 385px; right: -28px; }.diary-visual, .orbit { right: 24px; }
  .about-image { min-height: 370px; }.about-copy { padding: 70px 6vw; }.about-copy blockquote { font-size: 38px; }
  .final-cta { padding: 75px 6vw; }.final-copy h2 { font-size: 39px; }
  .site-footer > div { flex-wrap: wrap; }.mini-dialog { padding: 34px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}