:root{
  --ink:#17281f;
  --muted:#64736c;
  --line:#e4e8e3;
  --paper:#fbfbf7;
  --card:#ffffff;
  --green:#18795c;
  --green-2:#0f5f49;
  --green-soft:#e9f4ee;
  --gold:#b3852f;
  --radius:18px;
  --shadow:0 16px 45px rgba(23,40,31,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--paper);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}
.section{padding:72px 0}
.section-head{max-width:760px;margin:0 auto 42px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;color:var(--green);background:var(--green-soft);padding:6px 14px;border-radius:999px;letter-spacing:.06em}
h1,h2,h3,p{margin:0}
.section-head h2,.page-title{font-size:clamp(1.7rem,3.2vw,2.6rem);line-height:1.22;margin-top:16px}
.section-head p{margin-top:12px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 20px;border:0;border-radius:10px;font-weight:700;cursor:pointer;transition:.2s}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--green),#178666);box-shadow:0 10px 22px rgba(24,121,92,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(24,121,92,.26)}
.btn-ghost{border:1px solid #cfd9d2;background:#fff;color:var(--green-2)}
.btn-ghost:hover{border-color:var(--green);background:#f6faf8}
.btn-white{background:#fff;color:var(--green-2)}
.btn-outline-white{border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.12)}
.topbar{position:sticky;top:0;z-index:50;background:rgba(251,251,247,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-size:1.22rem;font-weight:800;letter-spacing:.12em}
.brand-mark{width:36px;height:36px;border-radius:9px;color:#fff;display:grid;place-items:center;background:linear-gradient(135deg,#127058,#2c8f6c);font-size:.9rem}
.brand small{display:block;font-size:.65rem;font-weight:500;color:var(--muted);letter-spacing:.18em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:9px 14px;border-radius:8px;color:#415249;font-weight:600;font-size:.95rem}
.nav-links a:hover,.nav-links a.active{color:var(--green-2);background:#fff;box-shadow:inset 0 -2px 0 var(--green)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:18px}
.hero{position:relative;overflow:hidden;padding:64px 0 78px;background:linear-gradient(115deg,#f8faf6 0%,#eef7f1 38%,#e7f3ea 62%,#f8fbf5 100%)}
.hero:before{content:"";position:absolute;right:-150px;top:-180px;width:540px;height:540px;border-radius:50%;background:radial-gradient(circle,rgba(24,121,92,.16),transparent 65%)}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.78fr);gap:56px;align-items:center}
.hero h1{font-size:clamp(2rem,4.6vw,3.55rem);line-height:1.14;letter-spacing:.01em}
.hero h1 span{color:var(--green)}
.hero-copy{margin-top:20px;color:var(--muted);font-size:1.05rem;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-metrics{display:flex;gap:34px;margin-top:36px;flex-wrap:wrap}
.hero-metrics strong{font-size:1.65rem;line-height:1;color:var(--green-2)}
.hero-metrics span{display:block;margin-top:6px;color:var(--muted);font-size:.9rem}
.hero-visual{position:relative;border-radius:28px;padding:22px;background:linear-gradient(145deg,#fff,#f4f9f4);box-shadow:var(--shadow)}
.hero-visual:before{content:"";position:absolute;inset:12px;border:1px solid #e7e9de;border-radius:22px;pointer-events:none}
.visual-stage{position:relative;aspect-ratio:4/3;background:linear-gradient(135deg,#127058,#2e9872);border-radius:18px;overflow:hidden}
.visual-label{position:absolute;left:22px;bottom:18px;color:#fff;max-width:82%;z-index:2}
.visual-label h3{font-size:1.25rem}
.visual-label p{opacity:.82;font-size:.9rem}
.product-badge{position:absolute;top:18px;left:18px;z-index:2;background:#fff;color:var(--green-2);font-size:.8rem;font-weight:800;padding:6px 10px;border-radius:99px}
.grid{display:grid;gap:20px}
.ecosystem-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfdcd3}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.card-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--green-soft);color:var(--green);font-size:1.2rem}
.card h3{margin-top:18px;font-size:1.12rem}
.card p{color:var(--muted);margin-top:8px}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--green);font-weight:700;font-size:.92rem}
.product-highlight{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;background:#fff;border-radius:28px;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}
.product-media{position:relative;min-height:420px;background:linear-gradient(120deg,#11705a,#33a47d 55%,#78c8a9)}
.product-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.product-media:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,42,32,.65),transparent 55%)}
.product-media-copy{position:absolute;left:26px;right:26px;bottom:24px;color:#fff;z-index:2}
.product-content{padding:34px}
.product-content h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.25}
.product-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:22px 0}
.product-point{background:#f7faf6;border:1px solid #e7ece4;border-radius:12px;padding:14px}
.product-point strong{display:block;font-size:.95rem}
.product-point span{color:var(--muted);font-size:.84rem}
.dark-band{color:#fff;background:linear-gradient(120deg,#102d24,#16624c)}
.dark-band .eyebrow{background:rgba(255,255,255,.12);color:#fff}
.dark-band .section-head p{color:#c9d9cf}
.dark-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.dark-card{background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(8px)}
.dark-card h3{color:#fff}
.dark-card p{color:#c8d8ce}
.dark-card .card-link{color:#98dcc0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.split h3{font-size:1.35rem}
.list-timeline{margin:20px 0;padding:0;list-style:none}
.list-timeline li{position:relative;padding:0 0 20px 30px;border-left:1px solid #d9e4da}
.list-timeline li:last-child{border-color:transparent;padding-bottom:0}
.list-timeline li:before{content:"";position:absolute;left:-7px;top:4px;width:13px;height:13px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px #e7f3ec}
.list-timeline strong{display:block}
.list-timeline span{color:var(--muted);font-size:.9rem}
.notice{margin-top:30px;padding:14px 16px;border-left:3px solid var(--gold);background:#fff8ec;color:#6b562c;font-size:.88rem;border-radius:0 10px 10px 0}
.cta{padding:56px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-grid{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.cta h2{font-size:clamp(1.5rem,2.4vw,2rem)}
.cta p{color:var(--muted);margin-top:10px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.footer{background:#0f211a;color:#a9bcae;padding:54px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:36px}
.footer h4{color:#fff;font-size:1rem;margin:0 0 16px}
.footer a{display:block;font-size:.9rem;padding:5px 0;color:#a9bcae}
.footer a:hover{color:#fff}
.footer-brand{display:flex;gap:10px;align-items:center;color:#fff;font-size:1.2rem;font-weight:800;letter-spacing:.1em}
.footer-brand .brand-mark{background:rgba(255,255,255,.14)}
.footer p{font-size:.9rem;margin-top:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.11);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;font-size:.82rem}
.breadcrumb{padding:26px 0 0;color:var(--muted);font-size:.9rem}
.breadcrumb a:hover{color:var(--green)}
.page-hero{background:linear-gradient(120deg,#eaf5ee,#f8fbf3);padding:48px 0 58px}
.page-hero h1{font-size:clamp(1.9rem,3.5vw,2.75rem);line-height:1.2}
.page-hero p{max-width:760px;color:var(--muted);font-size:1.05rem;margin-top:16px}
.mobile-nav{display:none}
@media (max-width:940px){
  .nav-actions .btn{display:none}
  .nav-toggle{display:block}
  .mobile-nav{position:fixed;inset:0;z-index:99;display:none;background:rgba(10,24,18,.42)}
  .mobile-nav.open{display:block}
  .mobile-sheet{margin-left:auto;width:min(320px,84%);height:100%;background:#fff;padding:20px;overflow:auto;box-shadow:-10px 0 40px rgba(0,0,0,.2)}
  .mobile-sheet a{display:block;padding:14px 10px;border-bottom:1px solid var(--line);font-weight:700}
  .hero-grid,.split,.cta-grid{grid-template-columns:1fr}
  .ecosystem-grid{grid-template-columns:1fr 1fr}
  .dark-grid{grid-template-columns:1fr 1fr}
  .product-highlight{grid-template-columns:1fr}
  .product-media{min-height:330px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .container{width:min(100% - 32px,1200px)}
  .section{padding:56px 0}
  .hero{padding:48px 0}
  .ecosystem-grid,.dark-grid,.product-points,.footer-grid{grid-template-columns:1fr}
  .hero-metrics{gap:22px}
  .hero-actions .btn{width:100%}
  .footer-bottom{display:block}
}

.landing-hero{position:relative;overflow:hidden;background:linear-gradient(145deg,#0e2a21 0%,#165743 46%,#2c8d69 100%);color:#fff;padding:84px 0 104px}
.landing-hero:before{content:"";position:absolute;right:-160px;top:-210px;width:620px;height:620px;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 65%);border-radius:50%}
.landing-hero:after{content:"";position:absolute;left:-120px;bottom:-220px;width:520px;height:520px;background:radial-gradient(circle,rgba(179,133,47,.22),transparent 68%);border-radius:50%}
.landing-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.72fr);gap:54px;align-items:center}
.brand-line{display:flex;align-items:center;gap:10px;font-size:.98rem;color:#dff3e7;font-weight:700;letter-spacing:.08em}
.brand-dot{width:8px;height:8px;border-radius:50%;background:#e3bd67}
.landing-hero h1{font-size:clamp(2.4rem,5.3vw,4rem);line-height:1.06;margin-top:24px;letter-spacing:-.01em}
.landing-hero h1 em{font-style:normal;color:#ffd97e}
.landing-copy{margin-top:24px;color:#d8e9dd;font-size:1.1rem;max-width:680px}
.landing-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.landing-actions .btn-primary{background:#fff;color:#12684e;box-shadow:0 12px 30px rgba(0,0,0,.16)}
.landing-actions .btn-outline-white{border-color:rgba(255,255,255,.34)}
.landing-facts{display:grid;grid-template-columns:repeat(3,1fr);max-width:650px;margin-top:42px;border-top:1px solid rgba(255,255,255,.18);padding-top:22px}
.landing-facts strong{font-size:1.55rem;color:#fff}
.landing-facts span{display:block;margin-top:5px;color:#bfd8c7;font-size:.88rem}
.product-card{position:relative;z-index:2;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);padding:20px;border-radius:30px;backdrop-filter:blur(16px);box-shadow:0 24px 70px rgba(0,0,0,.22)}
.product-card-head{display:flex;justify-content:space-between;align-items:center;color:#fff}
.product-card-head strong{font-size:1.2rem}
.product-tag{background:#e3bd67;color:#513d0d;font-size:.75rem;font-weight:800;padding:6px 10px;border-radius:99px}
.app-frame{margin-top:16px;background:#fff;border-radius:20px;overflow:hidden}
.app-frame img{width:100%;aspect-ratio:3/4;object-fit:cover}
.product-card-foot{color:#dff3e7;padding:16px 4px 2px}
.product-card-foot strong{display:block;font-size:1.05rem;color:#fff}
.product-card-foot span{font-size:.88rem;color:#c9ded2}
.pillbar{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.pillbar span{border:1px solid rgba(255,255,255,.18);color:#dff3e7;background:rgba(255,255,255,.07);padding:7px 11px;border-radius:99px;font-size:.84rem}
.tile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.tile{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;transition:.22s}
.tile:hover{transform:translateY(-4px);box-shadow:0 18px 48px rgba(23,40,31,.11);border-color:#bfd5c7}
.tile h3{font-size:1.15rem;margin-top:18px}
.tile p{color:var(--muted);margin-top:8px;font-size:.94rem}
.tile-icon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;font-weight:800;background:#e9f4ee;color:#18795c}
.tile-feature{grid-column:span 2;background:linear-gradient(120deg,#10543f,#2b8d69);border-color:transparent;color:#fff}
.tile-feature .tile-icon{background:rgba(255,255,255,.14);color:#fff}
.tile-feature h3{color:#fff}
.tile-feature p{color:#d5e8dc}
.tile-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:800;color:#18795c}
.tile-feature .tile-link{color:#ffe2a1}
.section-num{font-size:.82rem;font-weight:800;color:var(--muted);letter-spacing:.1em}
.cta-band{margin:0 0 80px;border-radius:32px;overflow:hidden;background:linear-gradient(120deg,#e8f3ec,#fff 58%,#fdf6e7);border:1px solid var(--line);padding:42px;display:grid;grid-template-columns:minmax(0,1.2fr) auto;gap:26px;align-items:center}
.cta-band h2{font-size:clamp(1.55rem,3vw,2.15rem);line-height:1.2}
.cta-band p{color:var(--muted);margin-top:10px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
@media(max-width:1000px){.landing-grid{grid-template-columns:1fr}.tile-grid{grid-template-columns:1fr 1fr}.tile-feature{grid-column:auto}.cta-band{grid-template-columns:1fr}.cta-band .cta-actions{justify-content:flex-start}}
@media(max-width:680px){.landing-hero{padding:62px 0 78px}.landing-facts{grid-template-columns:1fr;gap:18px}.tile-grid{grid-template-columns:1fr}.cta-band{padding:26px;border-radius:24px}}

.placeholder-note{margin-top:24px;padding:14px 16px;border:1px dashed #cfd8cf;background:#fff;border-radius:12px;color:var(--muted);font-size:.88rem}
.contact-list{display:grid;gap:14px}
.contact-item{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.contact-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--green-soft);color:var(--green)}
.contact-item strong{display:block}
.contact-item span{color:var(--muted);font-size:.9rem}
@media (max-width:940px){
  .nav-links{display:none}
  .nav{gap:12px}
  .nav-actions{margin-left:auto}
}
@media (max-width:680px){
  .landing-hero:after{right:-220px;left:auto;top:auto;bottom:-260px;width:430px;height:430px}
}

.screen-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:36px}
.screen-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.22s;margin:0}
.screen-card:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(23,40,31,.10)}
.screen-thumb{aspect-ratio:4/3;background:#f5f8f5;border-bottom:1px solid var(--line);overflow:hidden}
.screen-thumb img{width:100%;height:100%;object-fit:cover}
.screen-card-body{padding:18px}
.screen-card-body strong{display:block;font-size:1rem}
.screen-card-body span{display:block;color:var(--muted);font-size:.89rem;margin-top:5px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 10px 28px rgba(23,40,31,.05)}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.steps-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}
.step-num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;background:var(--green)}
.step-card h3{margin-top:16px;font-size:1.08rem}
.step-card p{color:var(--muted);font-size:.92rem;margin-top:8px}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
.article-card h3{font-size:1.08rem;margin-top:14px}
.article-card p{color:var(--muted);font-size:.92rem;margin-top:8px}
.pill{display:inline-flex;align-items:center;background:#fff;border:1px solid var(--line);color:var(--muted);border-radius:99px;padding:7px 12px;font-size:.85rem}
.pill-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.page-section{padding:62px 0}
.page-section + .page-section{border-top:1px solid var(--line)}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:38px;align-items:start}
.simple-list{margin:18px 0 0;padding-left:20px;color:var(--muted)}
.simple-list li{margin-bottom:9px}
.mini-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}
.mini-card h3{font-size:1rem}
.mini-card p{color:var(--muted);font-size:.88rem;margin-top:8px}
.form-shell{background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:0 18px 50px rgba(23,40,31,.08)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:grid;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:.9rem}
.input,.select,.textarea{width:100%;min-height:46px;border:1px solid #d7ded6;border-radius:10px;padding:11px 12px;background:#fbfcfa;color:var(--ink);font:inherit}
.textarea{min-height:132px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{outline:2px solid rgba(24,121,92,.18);border-color:var(--green)}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:.9rem}
.checkbox-row input{width:18px;height:18px;margin-top:2px}
@media(max-width:1000px){.screen-gallery,.article-grid,.info-grid,.steps-grid{grid-template-columns:1fr 1fr}.mini-card-grid{grid-template-columns:1fr 1fr}.two-col{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}}
@media(max-width:680px){.screen-gallery,.article-grid,.info-grid,.steps-grid,.mini-card-grid{grid-template-columns:1fr}.form-shell{padding:22px}}

.screen-thumb-portrait{aspect-ratio:9/19;background:#fff;object-fit:contain}
.screen-thumb-portrait img{object-fit:contain;background:#fff}