:root {
  --green-900: #0d3b1f;
  --green-800: #14532d;
  --green-700: #1b6b3a;
  --green-600: #2c8a45;
  --green-500: #5aa02c;
  --lime: #a6d130;
  --gold: #d9a521;
  --ink: #17261c;
  --muted: #5b6b61;
  --bg: #ffffff;
  --tint: #f3f7f0;
  --line: #e1e9dd;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(13, 59, 31, .10);
  --shadow-lg: 0 24px 60px rgba(13, 59, 31, .22);
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Cairo", "Segoe UI", Tahoma, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; color: var(--green-900); }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
.ltr { direction: ltr; unicode-bidi: isolate; text-align: start; }
[dir="rtl"] .ltr { text-align: right; }

.container { width: min(1160px, 100% - 40px); margin-inline: auto; }
.skip { position: absolute; inset-inline-start: 12px; top: -60px; background: var(--green-800); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 200; }
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

/* ---------- header ---------- */
.header { position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h); background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px); border-bottom: 1px solid transparent; transition: box-shadow .25s, border-color .25s; }
.header.is-scrolled { box-shadow: 0 4px 24px rgba(13, 59, 31, .10); border-color: var(--line); }
.header__row { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; margin-inline-end: auto; }
.brand__logo { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-size: 1.15rem; color: var(--green-800); font-weight: 800; }
.brand__text small { font-size: .78rem; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a { padding: 8px 14px; border-radius: 999px; font-weight: 600; color: var(--ink); transition: background .2s, color .2s; }
.nav a:hover { background: var(--tint); color: var(--green-700); }
.nav a.is-active { background: var(--green-800); color: #fff; }
.header__actions { display: none; align-items: center; gap: 10px; }
.nav .lang-select { margin-inline-start: 18px; padding: 0; }
.lang-select { position: relative; display: inline-flex; align-items: center; border: 2px solid var(--green-700); border-radius: 999px; color: var(--green-800); transition: background .2s, color .2s; }
.lang-select:hover, .lang-select:focus-within { background: var(--green-800); color: #fff; }
.lang-select svg { position: absolute; inset-inline-start: 11px; width: 17px; height: 17px; fill: currentColor; pointer-events: none; }
.lang-select::after { content: ""; position: absolute; inset-inline-end: 13px; top: 50%; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.lang-select select { appearance: none; -webkit-appearance: none; border: 0; background: transparent; color: inherit; font: inherit; font-weight: 700; padding-block: 5px; padding-inline: 34px 32px; cursor: pointer; border-radius: 999px; }
.lang-select select:focus { outline: none; }
.lang-select option { color: var(--ink); background: #fff; }
.burger { display: none; width: 44px; height: 44px; border: 0; background: var(--tint); border-radius: 12px; padding: 0; position: relative; }
.burger span { position: absolute; inset-inline: 12px; height: 2px; background: var(--green-800); border-radius: 2px; transition: transform .25s, opacity .2s; }
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 27px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- buttons / kickers ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 999px; border: 2px solid transparent; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s, color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--green-800); color: #fff; box-shadow: 0 8px 20px rgba(20, 83, 45, .28); }
.btn--primary:hover { background: var(--green-700); }
.btn--accent { background: var(--lime); color: var(--green-900); box-shadow: 0 8px 22px rgba(166, 209, 48, .35); }
.btn--accent:hover { background: #b7e03e; }
.btn--ghost { border-color: rgba(255, 255, 255, .7); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--green-800); }
.kicker { display: inline-block; font-weight: 700; font-size: .9rem; color: var(--green-600); letter-spacing: .06em; margin-bottom: .6em; position: relative; padding-inline-start: 34px; }
.kicker::before { content: ""; position: absolute; inset-inline-start: 0; top: 50%; width: 24px; height: 2px; background: currentColor; }
.kicker--light { color: var(--lime); }

/* ---------- hero ---------- */
.hero { position: relative; padding: calc(var(--header-h) + 70px) 0 0; color: #fff; background: var(--green-900); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background:
  radial-gradient(900px 500px at 85% 20%, rgba(90, 160, 44, .45), transparent 60%),
  radial-gradient(700px 500px at 0% 100%, rgba(166, 209, 48, .18), transparent 60%),
  linear-gradient(135deg, #0a2e18 0%, #14532d 55%, #1f7a3d 100%); }
.hero__bg::after { content: ""; position: absolute; inset: 0; opacity: .07;
  background-image: radial-gradient(circle at 1px 1px, #fff 1px, transparent 0); background-size: 26px 26px; }
.hero__grid { position: relative; display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: center; padding-bottom: 70px; }
.hero h1 { color: #fff; font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; margin-bottom: .45em; }
.hero p { font-size: 1.15rem; color: rgba(255, 255, 255, .88); max-width: 56ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero__badge { display: grid; place-items: center; }
.hero__logo { width: min(320px, 70vw); aspect-ratio: 1; border-radius: 50%; background: #fff; padding: 12px; box-shadow: 0 0 0 10px rgba(255, 255, 255, .12), 0 0 0 22px rgba(255, 255, 255, .06), var(--shadow-lg); animation: float 6s ease-in-out infinite; }
.hero__logo img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
@keyframes float { 50% { transform: translateY(-10px); } }
.stats { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); background: #fff; color: var(--ink); border-radius: var(--radius) var(--radius) 0 0; box-shadow: 0 -10px 40px rgba(0, 0, 0, .12); }
.stats li { padding: 22px 16px; text-align: center; border-inline-end: 1px solid var(--line); }
.stats li:last-child { border: 0; }
.stats b { display: block; font-size: 2.1rem; color: var(--green-700); font-weight: 800; line-height: 1.1; }
.stats span { color: var(--muted); font-weight: 600; font-size: .95rem; }

/* ---------- sections ---------- */
.section { padding: 90px 0; }
.section--tint { background: var(--tint); }
.section__head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section__head .kicker { padding-inline-start: 0; }
.section__head .kicker::before { display: none; }
.section__head h2, .about h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 800; }
.section__head p { color: var(--muted); font-size: 1.05rem; }
.section__head--light h2 { color: #fff; }

.icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--green-600), var(--green-800)); flex: none; }
.icon svg { width: 26px; height: 26px; fill: #fff; }

.about { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.about p { color: #35453b; }
.checks { margin-top: 20px; display: grid; gap: 10px; }
.checks li { position: relative; padding-inline-start: 34px; font-weight: 600; }
.checks li::before { content: ""; position: absolute; inset-inline-start: 0; top: 4px; width: 22px; height: 22px; border-radius: 50%; background: var(--green-600) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/14px no-repeat; }
.about__card { background: linear-gradient(135deg, #e9f4e1, #f7fbf3); border-radius: 28px; padding: 22px; box-shadow: var(--shadow); transform: rotate(-2deg); }
[dir="rtl"] .about__card { transform: rotate(2deg); }
.about__card img { border-radius: 16px; width: 100%; }

.vmg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 70px; }
.vmg__card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); border-top: 4px solid var(--green-500); }
.vmg__card .icon { margin-bottom: 18px; }
.vmg__card p, .vmg__list li { color: #3b4b41; }
.vmg__list { display: grid; gap: 8px; }
.vmg__list li { position: relative; padding-inline-start: 20px; }
.vmg__list li::before { content: ""; position: absolute; inset-inline-start: 0; top: .6em; width: 8px; height: 8px; border-radius: 50%; background: var(--green-500); }

.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc { background: #fff; border-radius: var(--radius); padding: 34px 28px; box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s; }
.svc:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.svc .icon { width: 64px; height: 64px; border-radius: 18px; margin-bottom: 20px; }
.svc .icon svg { width: 32px; height: 32px; }
.svc p { color: var(--muted); margin: 0; }

/* ---------- products ---------- */
.filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 36px; }
.chip { display: inline-flex; align-items: center; gap: 8px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); border-radius: 999px; padding: 8px 20px; font-weight: 700; transition: all .2s; }
.chip:hover { border-color: var(--green-600); color: var(--green-700); }
.chip.is-active { background: var(--green-800); border-color: var(--green-800); color: #fff; }
.chip__n { background: rgba(0, 0, 0, .08); border-radius: 999px; padding: 0 9px; font-size: .8rem; }
.chip.is-active .chip__n { background: rgba(255, 255, 255, .22); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 14px rgba(13, 59, 31, .06); transition: transform .25s, box-shadow .25s, border-color .25s; animation: pop .4s ease both; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--green-500); }
@keyframes pop { from { opacity: 0; transform: translateY(12px); } }
.card__btn { display: flex; flex-direction: column; width: 100%; height: 100%; padding: 0; border: 0; background: none; text-align: start; color: inherit; }
.card__img { aspect-ratio: 16 / 10; display: grid; place-items: center; padding: 14px; background: var(--tint); }
.card__img { overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 6px 10px rgba(0, 0, 0, .22)); transition: transform .35s; }
.card:hover .card__img img { transform: scale(1.04); }
.cat-fungicide { background: linear-gradient(135deg, #eaf5e4, #f6fbf2); }
.cat-insecticide { background: linear-gradient(135deg, #fdf3dc, #fffaf0); }
.cat-fertilizer { background: linear-gradient(135deg, #e3f1fa, #f3f9fd); }
.card__body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.card__body h3 { font-size: 1.15rem; margin: 10px 0 4px; }
.card__body p { color: var(--muted); font-size: .95rem; margin: 0 0 14px; }
.card__meta { margin-top: auto; display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: .9rem; }
.card__meta > span:first-child { background: var(--tint); border-radius: 8px; padding: 2px 10px; color: var(--green-800); }
.card__more { color: var(--green-600); }
[dir="rtl"] .card__more { display: inline-block; }
.tag { display: inline-block; align-self: flex-start; font-size: .78rem; font-weight: 700; padding: 2px 12px; border-radius: 999px; }
.tag--fungicide { background: #dff0d4; color: #2c6a1c; }
.tag--insecticide { background: #fbe8b8; color: #7a5600; }
.tag--fertilizer { background: #cfe8f7; color: #145a85; }

/* ---------- why ---------- */
.why { padding: 90px 0; background: linear-gradient(135deg, #0a2e18, #14532d 60%, #1f7a3d); }
.cards4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why__item { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius); padding: 28px 24px; color: #fff; transition: background .25s, transform .25s; }
.why__item:hover { background: rgba(255, 255, 255, .13); transform: translateY(-5px); }
.why__item b { display: block; font-size: 2.2rem; color: var(--lime); font-weight: 800; line-height: 1; margin-bottom: 14px; }
.why__item h3 { color: #fff; font-size: 1.15rem; }
.why__item p { color: rgba(255, 255, 255, .8); margin: 0; font-size: .96rem; }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 32px; align-items: start; }
.contact__info { display: grid; gap: 18px; }
.info { display: flex; gap: 16px; background: var(--tint); border-radius: var(--radius); padding: 22px; }
.info--wechat { align-items: center; }
.info--wechat img { width: 120px; height: 120px; border-radius: 10px; background: #fff; padding: 4px; flex: none; box-shadow: 0 2px 10px rgba(0,0,0,.1); }
.info h3 { font-size: 1.05rem; margin-bottom: .2em; }
.info p { margin: 0; color: #35453b; }
.info a:hover { color: var(--green-600); text-decoration: underline; }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px; display: grid; gap: 16px; }
.form h3 { font-size: 1.3rem; margin: 0; }
.form label { display: grid; gap: 6px; font-weight: 700; font-size: .95rem; }
.form input, .form textarea { font: inherit; padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--line); background: #fbfdfa; color: var(--ink); transition: border-color .2s, box-shadow .2s; width: 100%; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--green-600); box-shadow: 0 0 0 4px rgba(44, 138, 69, .15); }
.form textarea { resize: vertical; min-height: 110px; }
.form small { color: var(--muted); }

/* ---------- footer ---------- */
.footer { background: var(--green-900); color: rgba(255, 255, 255, .8); padding-top: 60px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer__brand { display: flex; gap: 16px; align-items: flex-start; }
.footer__brand strong { color: #fff; font-size: 1.2rem; }
.footer__brand p { margin: 6px 0 0; max-width: 38ch; }
.footer__logo { width: 64px; height: 64px; border-radius: 50%; background: #fff; flex: none; overflow: hidden; }
.footer__logo img { width: 100%; height: 100%; object-fit: cover; }
.footer h4 { color: #fff; font-size: 1.05rem; margin-bottom: 14px; }
.footer li { margin-bottom: 8px; }
.footer a:hover { color: var(--lime); }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .9rem; }

/* ---------- WhatsApp FAB ---------- */
.wa-fab { position: fixed; inset-block-end: 22px; inset-inline-end: 22px; width: 58px; height: 58px; border-radius: 50%; background: #25d366; display: grid; place-items: center; box-shadow: 0 8px 22px rgba(37, 211, 102, .45); z-index: 90; transition: transform .2s; }
.wa-fab:hover { transform: scale(1.08); }
.wa-fab svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- modal ---------- */
.modal { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 20px; opacity: 0; transition: opacity .18s; }
.modal[hidden] { display: none; }
.modal.is-open { opacity: 1; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(6, 28, 14, .72); backdrop-filter: blur(3px); }
.modal__dialog { position: relative; width: min(1000px, 100%); max-height: calc(100vh - 40px); background: #fff; border-radius: 22px; box-shadow: var(--shadow-lg); overflow: hidden; display: flex; transform: translateY(14px) scale(.98); transition: transform .2s; }
.modal.is-open .modal__dialog { transform: none; }
.modal__dialog:focus { outline: none; }
.modal__close { position: absolute; inset-block-start: 12px; inset-inline-end: 12px; z-index: 2; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .95); box-shadow: 0 2px 10px rgba(0, 0, 0, .2); padding: 0; display: grid; place-items: center; color: var(--green-900); }
.modal__close svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; }
.modal__close:hover { background: var(--green-800); color: #fff; }
.modal__body { display: grid; grid-template-columns: 1fr 1.1fr; width: 100%; min-height: 0; overflow-y: auto; align-content: start; }
.pm__media { padding: 26px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 10px; position: sticky; top: 0; align-self: start; min-height: 100%; }
.pm__media a { display: block; }
.pm__media img { width: 100%; border-radius: 8px; box-shadow: 0 10px 28px rgba(0, 0, 0, .25); background: #fff; }
.pm__media small { color: var(--muted); font-weight: 600; text-align: center; }
.pm__info { padding: 34px 32px 32px; }
.pm__info h2 { font-size: 1.7rem; margin: 10px 0 10px; font-weight: 800; }
.pm__info h4 { font-size: 1rem; margin: 22px 0 8px; color: var(--green-700); text-transform: uppercase; letter-spacing: .04em; }
[dir="rtl"] .pm__info h4, :lang(zh) .pm__info h4 { text-transform: none; letter-spacing: 0; }
.pm__desc { color: #35453b; }
.comp { width: 100%; border-collapse: collapse; border-radius: 12px; overflow: hidden; box-shadow: 0 0 0 1px var(--line); }
.comp td { padding: 10px 14px; border-bottom: 1px solid var(--line); }
.comp tr:last-child td { border: 0; }
.comp td:first-child { font-weight: 700; }
.comp td:last-child { text-align: end; color: var(--green-700); font-weight: 800; white-space: nowrap; }
dl { margin: 18px 0 0; display: grid; gap: 0; }
.kv { display: grid; grid-template-columns: 9.5em 1fr; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.kv dt { color: var(--muted); font-weight: 600; font-size: .92rem; }
.kv dd { margin: 0; font-weight: 600; }
.safety { display: grid; gap: 6px; margin-bottom: 24px; color: #3b4b41; font-size: .93rem; }
.safety li { position: relative; padding-inline-start: 20px; }
.safety li::before { content: "!"; position: absolute; inset-inline-start: 0; top: 3px; width: 14px; height: 14px; border-radius: 50%; background: var(--gold); color: #fff; font-size: .7rem; font-weight: 800; display: grid; place-items: center; line-height: 1; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero__grid, .about, .contact { grid-template-columns: 1fr; }
  .hero__badge { order: -1; }
  .hero__logo { width: 190px; }
  .hero { padding-top: calc(var(--header-h) + 40px); text-align: start; }
  .vmg, .cards3 { grid-template-columns: 1fr; }
  .cards4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; }
  .header__actions { display: flex; }
  .burger { display: block; }
  .nav .lang-select { margin: 8px 0 0; padding: 0; align-self: stretch; }
  .nav .lang-select select { width: 100%; padding-block: 10px; }
  .nav { position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; background: #fff; padding: 12px 20px 20px; box-shadow: 0 16px 30px rgba(13, 59, 31, .15); border-top: 1px solid var(--line); transform: translateY(-12px); opacity: 0; pointer-events: none; visibility: hidden; transition: all .22s; }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; visibility: visible; }
  .nav a { padding: 12px 16px; border-radius: 12px; }
  .modal__body { grid-template-columns: 1fr; grid-auto-rows: max-content; }
  .pm__media { position: static; min-height: 0; align-self: auto; padding: 56px 20px 16px; }
  .pm__media img { height: auto; }
  .pm__info { position: relative; }
}
@media (max-width: 560px) {
  .section, .why { padding: 64px 0; }
  .stats { grid-template-columns: 1fr 1fr 1fr; }
  .stats li { padding: 16px 6px; }
  .stats b { font-size: 1.6rem; }
  .stats span { font-size: .8rem; }
  .cards4 { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .brand__text small { display: none; }
  .pm__info { padding: 20px; }
  .kv { grid-template-columns: 1fr; gap: 0; }
  .modal { padding: 10px; }
  .modal__dialog { max-height: calc(100vh - 20px); border-radius: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}