/* =========================================================
   智慧农业 · 智慧枣园 产品介绍页
   配色：科技蓝 #0066FF + 农业绿 #16B364（蓝绿科技农业风）
   ========================================================= */
:root{
  --zhny-blue:#0066FF;
  --zhny-blue-2:#3388FF;
  --zhny-cyan:#00A6E8;
  --zhny-green:#16B364;
  --zhny-green-2:#3DD68C;
  --zhny-ink:#0A1F17;
  --zhny-text:#16241C;
  --zhny-muted:#5A6B62;
  --zhny-grad:linear-gradient(135deg,var(--zhny-blue) 0%,var(--zhny-cyan) 45%,var(--zhny-green) 100%);
  --zhny-grad-soft:linear-gradient(135deg,rgba(0,102,255,.08),rgba(22,179,100,.10));
  --zhny-r:20px;
  --zhny-r-sm:14px;
}

/* ---------- Hero ---------- */
.zhny-hero{position:relative;overflow:hidden;padding:120px 0 96px;background:
  radial-gradient(680px 520px at 82% 18%,rgba(22,179,100,.16),transparent 60%),
  radial-gradient(620px 520px at 12% 8%,rgba(0,102,255,.18),transparent 60%),
  linear-gradient(180deg,#EAF6FF 0%,#F1FBF4 100%);}
.zhny-hero__bg{position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(22,179,100,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,102,255,.05) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 60% 30%,#000,transparent 80%);
          mask-image:radial-gradient(circle at 60% 30%,#000,transparent 80%);}
.zhny-hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.zhny-tag{display:inline-block;padding:7px 16px;border-radius:999px;
  background:rgba(22,179,100,.12);color:var(--zhny-green);font-weight:700;font-size:13px;letter-spacing:.5px;margin-bottom:22px}
.zhny-hero__text h1{font-size:clamp(34px,4.4vw,56px);line-height:1.12;color:var(--zhny-ink);font-weight:800;letter-spacing:-.5px}
.zhny-hero__text h1 span{display:block;font-size:.52em;margin-top:10px;background:var(--zhny-grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}
.zhny-hero__lead{margin-top:22px;font-size:17px;line-height:1.85;color:var(--zhny-muted);max-width:600px}
.zhny-hero__btns{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.zhny-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;transition:.25s;cursor:pointer}
.zhny-btn--primary{background:var(--zhny-grad);color:#fff;box-shadow:0 14px 30px -10px rgba(0,120,160,.5)}
.zhny-btn--primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px -12px rgba(0,120,160,.6)}
.zhny-btn--ghost{background:rgba(255,255,255,.7);color:var(--zhny-ink);border:1px solid rgba(22,179,100,.3)}
.zhny-btn--ghost:hover{background:#fff;border-color:var(--zhny-green)}
.zhny-hero__stats{display:flex;gap:30px;margin-top:40px;flex-wrap:wrap}
.zhny-hero__stats li{list-style:none}
.zhny-hero__stats b{display:block;font-size:26px;color:var(--zhny-green);font-weight:800;line-height:1.1}
.zhny-hero__stats span{font-size:13px;color:var(--zhny-muted)}

/* Hero 视觉 */
.zhny-hero__art{position:relative;height:420px}
.zhny-card{position:absolute;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.9);border-radius:14px;padding:12px 16px;font-weight:700;font-size:14px;color:var(--zhny-ink);
  box-shadow:0 18px 40px -18px rgba(0,80,120,.4);animation:zhny-float 6s ease-in-out infinite;z-index:2}
.zhny-card--sensor{left:0;top:60px}
.zhny-card--ai{right:0;top:20px;animation-delay:1.2s}
.zhny-card--trace{left:40px;bottom:20px;animation-delay:2.4s}
.zhny-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--zhny-blue);margin-right:8px;vertical-align:middle}
.zhny-dot--green{background:var(--zhny-green)}
@keyframes zhny-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.zhny-hero__img{max-width:100%;max-height:420px;width:auto;object-fit:contain;border-radius:16px;filter:drop-shadow(0 20px 50px rgba(0,102,255,.18))}

/* ---------- 通用区块标题 ---------- */
.zhny-sec-head{max-width:760px;margin:0 auto 54px;text-align:center}
.zhny-sec-head__k{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--zhny-green);text-transform:uppercase}
.zhny-sec-head h2{margin-top:12px;font-size:clamp(26px,3vw,38px);color:var(--zhny-ink);font-weight:800;letter-spacing:-.3px}
.zhny-sec-head p{margin-top:14px;font-size:16px;line-height:1.8;color:var(--zhny-muted)}
.zhny-nobreak{max-width:1000px;margin:14px auto 0;white-space:nowrap}

/* ---------- 四端架构 ---------- */
.zhny-arch{background:#fff}
.zhny-arch__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.zhny-arch__card{background:var(--zhny-grad-soft);border:1px solid rgba(22,179,100,.16);border-radius:var(--zhny-r);padding:30px 24px;transition:.3s}
.zhny-arch__card:hover{transform:translateY(-6px);box-shadow:0 22px 44px -20px rgba(0,120,90,.35)}
.zhny-arch__ico{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;
  background:var(--zhny-grad-soft);color:var(--zhny-blue);margin-bottom:16px}
.zhny-arch__ico svg{width:30px;height:30px}
.zhny-arch__card h3{font-size:19px;color:var(--zhny-ink);margin-bottom:8px}
.zhny-arch__card h3 em{font-style:normal;font-size:12px;color:#fff;background:var(--zhny-green);padding:2px 8px;border-radius:6px;margin-left:6px;vertical-align:middle}
.zhny-arch__card p{font-size:14px;line-height:1.75;color:var(--zhny-muted);margin-bottom:14px}
.zhny-arch__tech{display:inline-block;font-size:12px;font-weight:700;color:var(--zhny-blue);background:rgba(0,102,255,.08);padding:4px 10px;border-radius:8px}

/* ---------- 业务域 ---------- */
.zhny-domain{background:linear-gradient(180deg,#F1FBF4 0%,#EAF6FF 100%)}
.zhny-domain__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.zhny-domain__item{position:relative;background:#fff;border-radius:var(--zhny-r);padding:30px 28px 28px;border:1px solid rgba(0,102,255,.08);transition:.3s}
.zhny-domain__item:hover{transform:translateY(-5px);box-shadow:0 22px 44px -22px rgba(0,90,120,.32)}
.zhny-domain__item b{font-size:34px;font-weight:800;background:var(--zhny-grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.85}
.zhny-domain__item h3{font-size:20px;color:var(--zhny-ink);margin:8px 0 8px}
.zhny-domain__item p{font-size:14px;line-height:1.75;color:var(--zhny-muted)}

/* ---------- 功能详解 ---------- */
.zhny-feat{background:#fff}
.zhny-feat__block{margin-bottom:46px}
.zhny-feat__block:last-child{margin-bottom:0}
.zhny-feat__title{font-size:22px;color:var(--zhny-ink);margin-bottom:22px;display:flex;align-items:center;gap:12px}
.zhny-feat__title span{background:var(--zhny-grad);color:#fff;font-size:14px;padding:5px 14px;border-radius:999px;font-weight:700}
.zhny-feat__list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.zhny-chip{background:var(--zhny-grad-soft);border:1px solid rgba(0,102,255,.1);border-radius:var(--zhny-r-sm);padding:18px 18px;transition:.25s}
.zhny-chip:hover{transform:translateY(-3px);border-color:var(--zhny-green);box-shadow:0 14px 30px -16px rgba(0,120,90,.3)}
.zhny-chip b{display:block;font-size:15.5px;color:var(--zhny-ink);margin-bottom:5px}
.zhny-chip p{font-size:13px;line-height:1.65;color:var(--zhny-muted)}

/* ---------- IoT 硬件 ---------- */
.zhny-iot{background:linear-gradient(180deg,#EAF6FF 0%,#F1FBF4 100%)}
.zhny-iot__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.zhny-iot__card{background:#fff;border-radius:var(--zhny-r);padding:32px 26px;text-align:center;border:1px solid rgba(22,179,100,.12);transition:.3s}
.zhny-iot__card:hover{transform:translateY(-6px);box-shadow:0 22px 44px -20px rgba(0,120,90,.32)}
.zhny-iot__ic{display:inline-flex;align-items:center;justify-content:center;width:60px;height:60px;border-radius:18px;
  background:var(--zhny-grad-soft);color:var(--zhny-green);margin-bottom:16px}
.zhny-iot__ic svg{width:32px;height:32px}
.zhny-iot__card h3{font-size:19px;color:var(--zhny-ink);margin-bottom:10px}
.zhny-iot__card p{font-size:14px;line-height:1.75;color:var(--zhny-muted)}

/* ---------- AI ---------- */
.zhny-ai{background:#0A1F17;color:#fff}
.zhny-ai__wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.zhny-ai__left .zhny-sec-head__k{color:var(--zhny-green-2)}
.zhny-ai__left h2{margin:12px 0 16px;font-size:clamp(26px,3vw,36px);font-weight:800;color:#fff}
.zhny-ai__left>p{font-size:16px;line-height:1.85;color:rgba(255,255,255,.8);max-width:460px}
.zhny-ai__list{margin-top:22px;padding:0}
.zhny-ai__list li{position:relative;padding-left:24px;font-size:14.5px;line-height:2;color:rgba(255,255,255,.85)}
.zhny-ai__list li::before{content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:50%;background:var(--zhny-green-2)}
.zhny-ai__right{display:flex;flex-direction:column;gap:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--zhny-r);padding:28px}
.zhny-ai__bubble{max-width:85%;padding:13px 18px;border-radius:16px;font-size:14.5px;line-height:1.6}
.zhny-ai__bubble--u{align-self:flex-end;background:var(--zhny-green);color:#fff;border-bottom-right-radius:4px}
.zhny-ai__bubble--a{align-self:flex-start;background:rgba(255,255,255,.1);color:#fff;border-bottom-left-radius:4px}

/* ---------- 后端 & 数据层 ---------- */
.zhny-back{background:#fff}
.zhny-back__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.zhny-back__col{background:var(--zhny-grad-soft);border:1px solid rgba(0,102,255,.1);border-radius:var(--zhny-r);padding:32px 28px}
.zhny-back__col h3{font-size:20px;color:var(--zhny-ink);margin-bottom:20px;position:relative;padding-left:14px}
.zhny-back__col h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:var(--zhny-grad)}
.zhny-back__flow{list-style:none;counter-reset:step}
.zhny-back__flow li{counter-increment:step;position:relative;padding:12px 0 12px 44px;font-size:14px;line-height:1.6;color:var(--zhny-text);border-bottom:1px dashed rgba(0,102,255,.14)}
.zhny-back__flow li:last-child{border-bottom:none}
.zhny-back__flow li::before{content:counter(step);position:absolute;left:0;top:10px;width:28px;height:28px;border-radius:50%;background:var(--zhny-grad);color:#fff;font-weight:700;font-size:13px;display:grid;place-items:center}
.zhny-back__flow li b{color:var(--zhny-ink);margin-right:4px}
.zhny-back__feat{list-style:none}
.zhny-back__feat li{position:relative;padding-left:22px;font-size:14px;line-height:2.1;color:var(--zhny-text)}
.zhny-back__feat li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--zhny-green)}
.zhny-back__stack{display:flex;flex-wrap:wrap;gap:10px}
.zhny-back__stack span{font-size:13px;font-weight:700;color:var(--zhny-blue);background:rgba(0,102,255,.08);padding:7px 13px;border-radius:10px}
.zhny-back__note{margin-top:18px;font-size:13px;line-height:1.7;color:var(--zhny-muted)}

/* ---------- 优势 ---------- */
.zhny-adv{background:linear-gradient(180deg,#EAF6FF 0%,#F1FBF4 100%);color:var(--zhny-ink)}
.zhny-adv__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.zhny-adv__card{background:#fff;border:1px solid rgba(0,102,255,.1);border-radius:var(--zhny-r);padding:32px 28px;transition:.3s;box-shadow:0 16px 40px -24px rgba(0,90,120,.25)}
.zhny-adv__card:hover{transform:translateY(-6px);box-shadow:0 24px 48px -22px rgba(0,90,120,.35)}
.zhny-adv__ic{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;
  background:var(--zhny-grad);color:#fff;margin-bottom:16px}
.zhny-adv__ic svg{width:30px;height:30px}
.zhny-adv__card h3{font-size:20px;color:var(--zhny-ink);margin-bottom:10px}
.zhny-adv__card p{font-size:14px;line-height:1.75;color:var(--zhny-muted)}

/* ---------- 场景 ---------- */
.zhny-scene{background:#fff;padding:90px 0 0}
.zhny-scene__row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.zhny-scene__card{position:relative;border-radius:var(--zhny-r);padding:40px 32px;color:#fff;overflow:hidden;min-height:200px;
  background:linear-gradient(135deg,var(--zhny-blue),var(--zhny-green))}
.zhny-scene__card:nth-child(2){background:linear-gradient(135deg,var(--zhny-cyan),var(--zhny-green-2))}
.zhny-scene__card:nth-child(3){background:linear-gradient(135deg,var(--zhny-green),var(--zhny-blue-2))}
.zhny-scene__card h3{font-size:22px;margin-bottom:12px;position:relative;z-index:2}
.zhny-scene__card p{font-size:14.5px;line-height:1.8;opacity:.95;position:relative;z-index:2}

/* ---------- 规模 ---------- */
.zhny-scale__box{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;background:#fff;border-radius:var(--zhny-r);padding:38px 28px;box-shadow:0 16px 40px -22px rgba(0,90,120,.25);border:1px solid rgba(0,102,255,.08)}
.zhny-scale__box--inline{margin-top:46px}
.zhny-scale__item{text-align:center;border-right:1px solid rgba(0,102,255,.1);padding:0 6px}
.zhny-scale__item:last-child{border-right:none}
.zhny-scale__item b{display:block;font-size:26px;color:var(--zhny-green);font-weight:800;line-height:1.1}
.zhny-scale__item span{font-size:12.5px;color:var(--zhny-muted);margin-top:6px;display:block}

/* ---------- CTA ---------- */
.zhny-cta{background:transparent;padding:0 !important;margin-top:-70px;margin-bottom:30px}
.zhny-cta__box{position:relative;text-align:center;padding:28px 24px;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--zhny-blue) 0%,var(--zhny-cyan) 45%,var(--zhny-green) 100%)}
.zhny-cta__box h2{font-size:clamp(26px,3vw,38px);font-weight:800}
.zhny-cta__box p{margin-top:14px;font-size:16px;opacity:.92}
.zhny-cta__btns{margin-top:30px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.zhny-cta__box .zhny-btn--primary{background:#fff;color:var(--zhny-green)}
.zhny-cta__box .zhny-btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}

/* ---------- 滚动动画兜底（不依赖 JS） ---------- */
.zhny-hero .reveal,.zhny-arch .reveal,.zhny-domain .reveal,.zhny-feat .reveal,
.zhny-iot .reveal,.zhny-ai .reveal,.zhny-back .reveal,.zhny-adv .reveal,
.zhny-scene .reveal,.zhny-scale .reveal,.zhny-cta .reveal{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .zhny-arch__grid,.zhny-iot__grid{grid-template-columns:repeat(2,1fr)}
  .zhny-feat__list{grid-template-columns:repeat(3,1fr)}
  .zhny-scale__box{grid-template-columns:repeat(3,1fr);gap:24px}
  .zhny-scale__item{border-right:none}
}
@media(max-width:980px){
  .zhny-hero__inner{grid-template-columns:1fr}
  .zhny-hero__art{height:300px;margin-top:20px}
  .zhny-hero__img{max-height:280px}
  .zhny-domain__grid,.zhny-back__cols,.zhny-adv__grid,.zhny-scene__row{grid-template-columns:1fr}
  .zhny-ai__wrap{grid-template-columns:1fr;gap:34px}
}
@media(max-width:680px){
  .zhny-hero{padding:90px 0 64px}
  .zhny-feat__list{grid-template-columns:repeat(2,1fr)}
  .zhny-arch__grid,.zhny-iot__grid{grid-template-columns:1fr}
  .zhny-scale__box{grid-template-columns:repeat(2,1fr)}
  .zhny-hero__stats{gap:20px}
}
@media(max-width:560px){
  .zhny-feat__list{grid-template-columns:1fr}
  .zhny-scale__box{grid-template-columns:1fr}
  .zhny-nobreak{white-space:normal}
}