:root{
  --green-900:#173d2a;--green-700:#24613f;--green-600:#2e7a4f;--green-500:#4c9a62;--green-100:#e6f2e8;--green-50:#f3f8f2;
  --soil:#8a5a3b;--soil-dark:#6b4329;--sun:#f2b632;
  --ink:#1d2a22;--ink-2:#4a5a50;--line:#dfe6df;--bg:#fbfcf9;--card:#ffffff;
  --shopee:#ee4d2d;--lazada:#0f146d;--tiktok:#111111;--wa:#1f9d55;
  --r:14px;--shadow:0 1px 2px rgba(23,61,42,.06),0 4px 16px rgba(23,61,42,.06);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-700)}
a:hover{color:var(--green-900)}
h1,h2,h3{line-height:1.25;color:var(--green-900);margin:0 0 .5em}
h1{font-size:clamp(1.8rem,4vw,2.6rem);letter-spacing:-.01em}
h2{font-size:clamp(1.35rem,2.6vw,1.7rem)}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:#fff;padding:8px;z-index:9}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.muted{color:var(--ink-2)}
.lead{font-size:1.12rem;color:var(--ink-2);max-width:62ch}
.kicker{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:700;color:var(--green-600);margin-bottom:.6em}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.header-row{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--green-900);font-size:1.12rem;white-space:nowrap}
.brand b{font-weight:800}
.brand-mark{width:32px;height:32px}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav>a{text-decoration:none;color:var(--ink);padding:8px 12px;border-radius:8px;font-weight:600;font-size:.95rem}
.site-nav>a:hover,.site-nav>a[aria-current]{background:var(--green-50);color:var(--green-700)}
.lang-switch{display:flex;gap:2px;margin-left:8px;border:1px solid var(--line);border-radius:999px;padding:3px}
.lang-switch a{text-decoration:none;font-size:.82rem;font-weight:700;color:var(--ink-2);padding:4px 10px;border-radius:999px}
.lang-switch a[aria-current]{background:var(--green-700);color:#fff}
.menu-btn{display:none;background:none;border:0;padding:10px;cursor:pointer}
.menu-btn span:not(.sr){display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
@media (max-width:900px){
  .menu-btn{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;flex-direction:column;align-items:stretch;padding:8px 16px 16px;border-bottom:1px solid var(--line)}
  .site-nav.open{display:flex}
  .site-nav>a{padding:12px}
  .lang-switch{margin:8px 0 0;align-self:flex-start}
}

/* buttons */
.btn{display:inline-block;background:var(--green-700);color:#fff;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:10px;border:2px solid var(--green-700)}
.btn:hover{background:var(--green-900);border-color:var(--green-900);color:#fff}
.btn-ghost{background:transparent;color:var(--green-700)}
.btn-ghost:hover{background:var(--green-50);color:var(--green-900)}
.btn-wa{background:var(--wa);border-color:var(--wa)}

/* hero */
.hero{background:linear-gradient(180deg,var(--green-50),var(--bg));padding:48px 0 32px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{width:100%;max-width:380px;justify-self:center}
@media (max-width:760px){.hero-grid{grid-template-columns:1fr}.hero-art{max-width:260px}}

/* sections & cards */
.section{padding:40px 0}
.section-alt{background:var(--green-50)}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.section-head h2{margin:0}
.section-head a{font-weight:700;text-decoration:none}
.page-head{padding:40px 0 8px;background:linear-gradient(180deg,var(--green-50),var(--bg))}
.cards{display:grid;gap:16px}
.cards-4{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.cards-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.cards-1{grid-template-columns:1fr}
.cards-inline{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));margin:1.5em 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.link-card{display:flex;flex-direction:column;gap:6px;padding:18px;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
.link-card:hover{transform:translateY(-2px);border-color:var(--green-500);color:var(--ink)}
.link-card strong{color:var(--green-900);font-size:1.05rem;line-height:1.35}
.link-card span:not(.link-kicker){color:var(--ink-2);font-size:.95rem}
.link-kicker{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--green-600)}
.tool-link{border-left:4px solid var(--sun)}
.guide-card{position:relative;padding-top:24px}
.gc-band{position:absolute;left:0;right:0;top:0;height:6px;background:var(--green-500)}
.cat-vegetables{background-color:var(--green-500)}.cat-herbs{background-color:#7aa85a}.cat-flowers{background-color:#d77a9a}.cat-basics{background-color:var(--sun)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 0}
.chips a{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;text-decoration:none;font-weight:600;font-size:.9rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px}
@media (max-width:760px){.split{grid-template-columns:1fr}}

/* product card */
.product-card{display:flex;flex-direction:column}
.pc-img{display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;background:var(--green-100);text-decoration:none}
.pc-img.cat-seeds{background:#e8f1df}.pc-img.cat-kits{background:#fff1d6}.pc-img.cat-fertilizer{background:#efe4d9}.pc-img.cat-tools{background:#e3ecf1}
.pc-img img{width:100%;height:100%;object-fit:cover}
.pc-ph{font-size:3rem;font-weight:800;color:rgba(23,61,42,.35)}
.pc-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.pc-name{margin:0;font-size:1rem}
.pc-name a{text-decoration:none;color:var(--green-900)}
.pc-short{color:var(--ink-2);font-size:.9rem;margin:0;flex:1}
.pc-price{font-weight:800;color:var(--soil-dark);margin:0}
.pc-price.big{font-size:1.4rem}
.buy-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.buy{font-size:.8rem;font-weight:700;text-decoration:none;padding:6px 10px;border-radius:8px;color:#fff}
.buy-shopee{background:var(--shopee)}.buy-lazada{background:var(--lazada)}.buy-tiktok{background:var(--tiktok)}
.buy:hover{color:#fff;opacity:.9}
.buy-off{background:#eef1ee;color:#8a978e;cursor:default}
.buy-row.big .buy{font-size:.95rem;padding:10px 16px}
.buy-label{font-weight:700;margin:16px 0 4px}
.product-top{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding-top:8px;padding-bottom:24px}
.pc-img.big{border-radius:var(--r);aspect-ratio:1/1}
.specs{padding-left:1.2em;color:var(--ink-2)}
@media (max-width:760px){.product-top{grid-template-columns:1fr}}

/* article */
.crumbs{font-size:.88rem;color:var(--ink-2);padding-top:16px}
.crumbs a{color:var(--ink-2)}
.article{padding-top:16px;padding-bottom:48px}
.article.narrow{max-width:780px}
.article-head{max-width:780px;margin-bottom:24px}
.facts{display:flex;gap:24px;flex-wrap:wrap;margin:16px 0 0}
.facts div{background:var(--green-50);border:1px solid var(--line);border-radius:10px;padding:8px 14px}
.facts dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2);font-weight:700}
.facts dd{margin:0;font-weight:700;color:var(--green-900)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.article-side{position:sticky;top:84px}
.side-h{font-weight:800;color:var(--green-900)}
@media (max-width:900px){.article-grid{grid-template-columns:1fr}.article-side{position:static}}
.prose{max-width:72ch}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.3em 0}
.prose table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{background:var(--green-50)}
.prose blockquote{margin:1em 0;padding:12px 16px;background:#fff8e6;border-left:4px solid var(--sun);border-radius:0 10px 10px 0}
.prose .link-card{margin:1.2em 0}
.prose-wrap{padding-bottom:48px}

/* calculators */
.tool-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:20px;margin:0 0 32px;max-width:900px}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.calc-field label{display:block;font-weight:700;font-size:.92rem;margin-bottom:6px}
.calc-input{display:flex;align-items:center;border:1px solid #c9d4cb;border-radius:10px;background:#fff;overflow:hidden}
.calc-input:focus-within{border-color:var(--green-600);box-shadow:0 0 0 3px var(--green-100)}
.calc-input input{flex:1;min-width:0;border:0;padding:10px 12px;font:inherit;background:transparent}
.calc-input input:focus{outline:none}
.calc-field select{width:100%;padding:10px 12px;border:1px solid #c9d4cb;border-radius:10px;font:inherit;background:#fff}
.unit{padding:0 12px;color:var(--ink-2);font-size:.9rem;white-space:nowrap}
.calc-help{font-size:.82rem;color:var(--ink-2);margin:4px 0 0}
.calc-result{grid-column:1/-1;background:var(--green-50);border:1px solid var(--line);border-radius:12px;padding:16px}
.calc-results{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.calc-out{display:flex;flex-direction:column}
.calc-out-label{font-size:.85rem;color:var(--ink-2)}
.calc-out-value b{font-size:1.25rem;color:var(--green-900)}
.calc-out.main .calc-out-value b{font-size:1.8rem}
.calc-note{margin:12px 0 0;font-size:.92rem}
.calc-note.warn{color:#9a5b00}.calc-note.bad{color:#b3261e}.calc-note.good{color:var(--green-700)}
.calc-section{grid-column:1/-1;font-weight:800;color:var(--green-900);margin:8px 0 -4px}

/* calendar */
.cal-scroll{overflow-x:auto;margin-top:24px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.cal{border-collapse:collapse;width:100%;min-width:760px;font-size:.9rem}
.cal th,.cal td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:center}
.cal tbody th{text-align:left;white-space:nowrap;padding-left:14px}
.cal td.on{background:var(--green-100);color:var(--green-700)}
.cal .now{outline:2px solid var(--sun);outline-offset:-2px}
.sow-now{margin-bottom:8px}

/* footer */
.site-footer{background:var(--green-900);color:#dfeadf;margin-top:40px;padding:40px 0 16px;font-size:.95rem}
.site-footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
.footer-brand{color:#fff}
.footer-h{font-weight:800;color:#fff}
.plain{list-style:none;padding:0;margin:0}.plain li{margin:4px 0}
.site-footer .muted{color:#a9bfae}
.footer-base{border-top:1px solid rgba(255,255,255,.15);margin-top:24px;padding-top:16px;font-size:.85rem;color:#a9bfae}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
.article-side .pc-img{aspect-ratio:16/7}
.article-side .pc-ph{font-size:2rem}
@media (max-width:760px){.hero{padding:32px 0 16px}.hero-art{max-width:180px}}
/* videos */
.videos{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin:1em 0 1.5em}
.video{margin:0}
.video-play{position:relative;display:block;width:100%;aspect-ratio:16/9;padding:0;border:0;border-radius:12px;overflow:hidden;background:var(--green-900);cursor:pointer}
.video-play img{width:100%;height:100%;object-fit:cover;opacity:.92}
.video-icon{position:absolute;left:50%;top:50%;width:56px;height:40px;margin:-20px 0 0 -28px;border-radius:12px;background:#e62117}
.video-icon::after{content:"";position:absolute;left:22px;top:12px;border-style:solid;border-width:8px 0 8px 14px;border-color:transparent transparent transparent #fff}
.video-frame{width:100%;aspect-ratio:16/9;border:0;border-radius:12px}
.video figcaption{font-size:.88rem;margin-top:6px;line-height:1.35}
.video figcaption a{color:var(--ink);text-decoration:none}
/* seed pack QR pages */
.pack-head{background:linear-gradient(180deg,var(--green-50),var(--bg));padding:24px 0 8px}
.pack-langs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pack-langs a{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;text-decoration:none;font-weight:700;font-size:.92rem}
.pack-langs a[aria-current]{background:var(--green-700);color:#fff;border-color:var(--green-700)}
.pack-body{padding-bottom:40px}
.pack-icons{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:8px 0 20px}
.pack-icon{border:2px solid var(--green-500);border-radius:16px;padding:12px 14px;background:#fff;display:flex;flex-direction:column}
.pack-icon span{font-size:.8rem;color:var(--ink-2);font-weight:700}
.pack-icon b{font-size:1.15rem;color:var(--green-900)}
.pack-facts{padding-left:1.2em;max-width:72ch}
.pack-facts li{margin:.35em 0}
.pack-actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 8px}
.footer-contact{font-size:.88rem;color:#a9bfae}
.brand-logo{height:40px;width:auto}
.brand-text{font-weight:800;color:var(--green-700);font-size:1.05rem;letter-spacing:.02em}
.footer-brand img{height:48px;width:auto}