*,*::before,*::after{box-sizing:border-box}
:root{
  --green:#1B5E3B;--green-d:#124029;--green-l:#2D8B5A;--green-bg:#EDF4EF;
  --accent:#C8915E;--accent-d:#A97444;
  --bg:#FAFAF7;--card:#FFFFFF;--line:#E4E2DA;--line2:#F0EEE7;
  --ink:#16201A;--ink2:#4E5A53;--ink3:#8A908B;
  --radius:12px;--shadow:0 1px 2px rgba(18,64,41,.04),0 8px 24px -12px rgba(18,64,41,.14);
  --wrap:1180px;
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:600;letter-spacing:-.015em}
h1{font-size:clamp(28px,4.2vw,44px);letter-spacing:-.025em}
h2{font-size:clamp(22px,2.8vw,30px)}
h3{font-size:19px}
h4{font-size:16px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
li{margin:.35em 0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.narrow{max-width:860px;margin:0 auto}
section{padding:56px 0}
section:nth-child(even){background:#fff;border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
section> .wrap> h2:first-child{margin-top:0}
.lead{font-size:18px;color:var(--ink2);max-width:74ch}

/* topbar */
.topbar{background:var(--green-d);color:#D9E6DE;font-size:13.5px}
.topbar .wrap{display:flex;gap:18px;align-items:center;justify-content:space-between;min-height:38px;flex-wrap:wrap}
.topbar a{color:#D9E6DE}
.topbar .tb-r{display:flex;gap:16px;align-items:center}
.topbar .wa{font-weight:500}

/* header */
header{background:rgba(250,250,247,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
header .wrap{display:flex;align-items:center;gap:20px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--ink);letter-spacing:-.03em}
.brand:hover{text-decoration:none}
.brand .mark{width:30px;height:30px;flex:0 0 30px;border-radius:8px;background:var(--green);position:relative}
.brand .mark::before{content:"";position:absolute;inset:7px 7px 9px;border-radius:50% 50% 42% 42%;
  background:linear-gradient(180deg,#8FD0A8,#E7F3EB)}
.brand small{display:block;font-weight:400;font-size:11px;color:var(--ink3);letter-spacing:.06em;text-transform:uppercase}
nav.main{margin-left:auto;display:flex;align-items:center;gap:2px}
nav.main a{padding:9px 12px;border-radius:8px;color:var(--ink2);font-size:15px;font-weight:500}
nav.main a:hover{background:var(--green-bg);color:var(--green);text-decoration:none}
nav.main a[aria-current="page"]{color:var(--green);font-weight:600}
.hd-cta{display:flex;align-items:center;gap:10px}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang a{padding:7px 11px;font-size:13.5px;color:var(--ink2)}
.lang a.on{background:var(--green);color:#fff}
.lang a:hover{text-decoration:none}
.btn{display:inline-block;padding:11px 20px;border-radius:9px;font-weight:600;font-size:15px;border:0;cursor:pointer;text-align:center}
.btn-p{background:var(--green);color:#fff}
.btn-p:hover{background:var(--green-d);text-decoration:none}
.btn-a{background:var(--accent);color:#fff}
.btn-a:hover{background:var(--accent-d);text-decoration:none}
.btn-o{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.btn-o:hover{background:var(--green-bg);text-decoration:none}
.btn-sm{padding:8px 14px;font-size:14px}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;font-size:15px}

/* hero */
.hero{position:relative;padding:0;background:#14231B;color:#fff;overflow:hidden}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero .wrap{position:relative;z-index:2;padding-top:74px;padding-bottom:74px}
.hero h1{color:#fff;max-width:18ch}
.hero p{color:#DCE8E0;font-size:18px;max-width:60ch;margin-bottom:26px}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-o{color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-o:hover{background:rgba(255,255,255,.12)}
.hero .eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
  color:#A9CBB7;border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:5px 13px;margin-bottom:20px}

/* breadcrumb */
.crumb{font-size:13px;color:var(--ink3);padding:16px 0 0}
.crumb a{color:var(--ink3)}
.crumb span{margin:0 7px}
.page-head{padding:10px 0 0}
.page-head h1{margin-bottom:12px}

/* cards */
.cards{display:grid;gap:16px;grid-template-columns:repeat(3,1fr);margin:22px 0}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3,.card h4{margin-bottom:.4em}
.card p{margin:0;color:var(--ink2);font-size:14.5px}
.card.link{display:block;color:inherit}
.card.link:hover{border-color:var(--green-l);text-decoration:none;transform:translateY(-2px);transition:.15s}
.card .tagline{display:block;font-size:13px;color:var(--accent-d);font-weight:600;margin-bottom:8px}
.card .more{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--green)}
.card .num{font-size:12.5px;color:var(--ink3);letter-spacing:.08em;font-weight:600}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0}
.stat{background:var(--green-bg);border-radius:var(--radius);padding:18px;text-align:center}
.stat b{display:block;font-size:26px;color:var(--green-d);letter-spacing:-.02em}
.stat span{font-size:13px;color:var(--ink2)}

/* table */
.tw{overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
th,td{padding:12px 15px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line2)}
th{background:#F5F3EC;font-weight:600;font-size:13px;letter-spacing:.02em;white-space:nowrap}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:500}
tbody tr:hover{background:#FCFCF9}

/* steps */
ol.steps{list-style:none;padding:0;counter-reset:s;margin:22px 0}
ol.steps li{counter-increment:s;position:relative;padding-left:52px;margin:0 0 20px}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:1px;width:34px;height:34px;border-radius:50%;
  background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}
ol.steps li b{display:block;margin-bottom:2px}
ol.steps li p{margin:0;color:var(--ink2);font-size:14.5px}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}
.gallery figure{margin:0;border-radius:10px;overflow:hidden;background:#E9E7DF;position:relative}
.gallery img{aspect-ratio:4/3;object-fit:cover;width:100%}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 12px 9px;font-size:12.5px;color:#fff;
  background:linear-gradient(transparent,rgba(10,25,17,.82))}
.process{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}
.process figure{margin:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card);box-shadow:var(--shadow)}
.process img{aspect-ratio:3/4;object-fit:cover;width:100%}
.process figcaption{padding:11px 14px 13px;font-size:14px;line-height:1.6;color:var(--ink);border-top:1px solid var(--line2)}
.process .n{display:block;font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--green);margin-bottom:3px}

/* note */
.note{border-radius:10px;padding:15px 19px;margin:20px 0;font-size:14.5px;border-left:4px solid var(--green-l);background:var(--green-bg)}
.note.warn{border-color:var(--accent-d);background:#FBF3E9}
.note.info{border-color:#3B6FB0;background:#EEF3FA}

/* faq */
.faq{margin:22px 0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:16px 34px 16px 0;font-weight:600;font-size:15.5px;position:relative;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:20px;color:var(--green-l);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 34px 18px 0;color:var(--ink2);font-size:14.8px}

/* placeholder */
.ph{border:1.5px dashed var(--line);border-radius:var(--radius);padding:26px;background:repeating-linear-gradient(135deg,#FCFCF9,#FCFCF9 12px,#F7F7F2 12px,#F7F7F2 24px)}
.ph b{display:block;font-size:17px;margin-bottom:6px}
.ph p{margin:0;color:var(--ink2);font-size:14.5px}

/* form */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin:22px 0}
.form h3{margin-top:0}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.fld.full{grid-column:1/-1}
.fld label{font-size:13.5px;font-weight:600;color:var(--ink2)}
.fld label .req{color:var(--accent-d);font-weight:400;font-size:12.5px;margin-left:4px}
.fld input,.fld select,.fld textarea{font:inherit;font-size:15px;padding:11px 13px;border:1px solid var(--line);
  border-radius:9px;background:#FDFDFB;color:var(--ink);width:100%}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:2px solid var(--green-l);outline-offset:0;border-color:var(--green-l)}
.fld .hint{font-size:12.5px;color:var(--ink3)}
.fld textarea{resize:vertical;min-height:104px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .foot{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:6px}
.form .foot .privacy{font-size:12.5px;color:var(--ink3);margin:0}
.msg{margin-top:16px;padding:14px 16px;border-radius:9px;font-size:14.5px;display:none}
.msg.ok{display:block;background:var(--green-bg);border-left:4px solid var(--green-l)}
.msg.alt{display:block;background:#FBF3E9;border-left:4px solid var(--accent-d)}
.msg .acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

/* cta band */
.band{background:var(--green-d);color:#fff;padding:52px 0}
.band h2{color:#fff}
.band p{color:#CFE0D5;max-width:62ch;margin-left:auto;margin-right:auto}
.band .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* footer */
footer{background:#12211A;color:#B9C9BF;padding:52px 0 26px;font-size:14.5px}
footer a{color:#DDEDE3}
footer .fcols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:28px}
footer h4{color:#fff;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:.4em 0}
footer .fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:12px}
footer .fbrand .mark{width:26px;height:26px;border-radius:7px;background:var(--green-l)}
footer .fbot{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8FA396}

@media(max-width:1000px){
  nav.main{display:none}
  .burger{display:block}
  .cards,.cards.c4{grid-template-columns:repeat(2,1fr)}
  .gallery,.process{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  footer .fcols{grid-template-columns:1fr 1fr}
  body.nav-open nav.main{display:flex;flex-direction:column;position:absolute;top:66px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);padding:10px 22px 18px;gap:0;align-items:stretch}
  body.nav-open nav.main a{padding:12px 4px;border-bottom:1px solid var(--line2)}
}
@media(max-width:640px){
  section{padding:40px 0}
  .cards,.cards.c2,.cards.c4,.gallery,.process,.stats,.fgrid{grid-template-columns:1fr}
  .hero .wrap{padding-top:52px;padding-bottom:52px}
  .topbar .tb-l{display:none}
  footer .fcols{grid-template-columns:1fr}
}