*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f6f7f4;--panel:#fff;--ink:#1a2320;--muted:#657069;--line:#dfe4de;
  --teal:#0f6e5c;--teal-d:#0a5245;--sand:#e8a13c;--dark:#10201c
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);
  font:16px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
[hidden]{display:none !important}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-weight:600;line-height:1.35}

.top{background:var(--dark);color:#9db3ab;font-size:13px}
.top__in{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.top a{text-decoration:none}

.hdr{position:sticky;top:0;z-index:50;background:rgba(246,247,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo__m{width:42px;height:42px;border-radius:8px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:600;flex:0 0 auto}
.logo__t{display:flex;flex-direction:column;line-height:1.25}
.logo__t b{font-size:19px;font-weight:600}
.logo__t em{font-style:normal;font-size:11px;color:var(--muted)}
.nav{display:flex;gap:25px;margin-left:auto}
.nav a{text-decoration:none;font-size:15px;color:var(--muted);transition:.15s}
.nav a:hover{color:var(--teal)}
.tel{text-decoration:none;font-size:15px;font-weight:600;white-space:nowrap}
.btn{display:inline-block;padding:12px 22px;border-radius:4px;background:var(--teal);color:#fff;text-decoration:none;font-size:15px;border:1px solid var(--teal);transition:.15s;text-align:center}
.btn:hover{background:var(--teal-d);border-color:var(--teal-d)}
.btn--sand{background:var(--sand);border-color:var(--sand);color:var(--dark);font-weight:600}
.btn--sand:hover{background:#d08f2c;border-color:#d08f2c}
.btn--ghost{background:none;color:var(--teal)}
.btn--ghost:hover{background:#e6f2ef}
.btn--full{display:block;width:100%}

/* hero */
.hero{background:linear-gradient(150deg,#10201c 0%,#11433a 62%,#0f6e5c 100%);color:#fff;padding:70px 0}
.hero__in{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.kick{color:var(--sand);font-size:13px;letter-spacing:.2em;margin-bottom:16px}
.hero h1{font-size:clamp(29px,4.1vw,45px);margin-bottom:18px}
.hero .lead{font-size:17px;color:#b4c9c2;max-width:46ch;line-height:1.95}
.hero__btns{display:flex;gap:12px;margin:28px 0 32px;flex-wrap:wrap}
.hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.42)}
.hero .btn--ghost:hover{background:rgba(255,255,255,.1)}
.kpi{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid rgba(255,255,255,.2);padding-top:22px}
.kpi b{display:block;font-size:26px;font-weight:600;color:var(--sand)}
.kpi span{font-size:13px;color:#9db3ab}
.hero__ph img{border-radius:10px;width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:0 18px 44px rgba(0,0,0,.34)}

/* sections */
.sec{padding:70px 0;scroll-margin-top:98px}
.sec--panel{background:var(--panel)}
.sec--dark{background:var(--dark);color:#fff}
.sec--dark .cap{color:#9db3ab}
.sec h2{font-size:clamp(24px,3.1vw,34px);margin-bottom:10px}
.sec h2 i{font-style:normal;color:var(--muted);font-size:.5em;font-weight:400;margin-left:12px;letter-spacing:.06em}
.sec--dark h2 i{color:#7e958d}
.cap{color:var(--muted);max-width:62ch;margin-bottom:30px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}

/* service cards */
.svc{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:22px;display:flex;flex-direction:column;gap:9px}
.sec--panel .card{background:var(--bg)}
.card .ic{width:40px;height:40px;border-radius:8px;background:#e6f2ef;color:var(--teal);display:grid;place-items:center;font-size:19px}
.card h3{font-size:18px}
.card p{font-size:14px;color:var(--muted);flex:1}
.card .meta{font-size:13px;color:var(--teal);border-top:1px solid var(--line);padding-top:10px}

/* calculator */
.tool{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:24px}
.sec--dark .tool{background:#16302a;border-color:#264a41}
.tool label{display:block;font-size:14px;color:var(--muted);margin-bottom:15px}
.sec--dark .tool label{color:#9db3ab}
.tool select,.tool input{display:block;width:100%;margin-top:6px;padding:11px 13px;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink)}
.sec--dark .tool select,.sec--dark .tool input{background:#10201c;border-color:#264a41;color:#fff}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.g3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.out{border:1px solid var(--sand);border-radius:6px;padding:20px 22px;background:#fdf7ed;margin-top:4px}
.sec--dark .out{background:#10201c}
.out.bad{border-color:#b5604a;background:#fcf1ee}
.sec--dark .out.bad{background:#231613}
.out h4{font-size:17px;margin-bottom:8px}
.out .sum{font-size:32px;font-weight:600;color:var(--teal);margin:2px 0 4px}
.sec--dark .out .sum{color:var(--sand)}
.out dl{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;font-size:14px;margin-top:12px}
.out dt{color:var(--muted)}
.sec--dark .out dt{color:#7e958d}
.out dd{text-align:right}
.out .note{font-size:13px;margin-top:12px;color:var(--muted)}
.sec--dark .out .note{color:#7e958d}

/* tracking */
.track{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.track input{flex:1;min-width:220px;padding:12px 14px;border:1px solid var(--line);border-radius:4px;background:var(--panel);letter-spacing:.06em}
.sec--dark .track input{background:#10201c;border-color:#264a41;color:#fff}
.hintline{font-size:13px;color:var(--muted);margin-bottom:18px}
.sec--dark .hintline{color:#7e958d}
.hintline button{color:var(--sand);text-decoration:underline;font-size:13px}
.tl{list-style:none;position:relative;padding-left:26px}
.tl::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:var(--line)}
.sec--dark .tl::before{background:#264a41}
.tl li{position:relative;padding:9px 0}
.tl li::before{content:"";position:absolute;left:-26px;top:16px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--line)}
.sec--dark .tl li::before{background:#16302a;border-color:#264a41}
.tl li.done::before{background:var(--teal);border-color:var(--teal)}
.tl li.now::before{background:var(--sand);border-color:var(--sand);box-shadow:0 0 0 4px rgba(232,161,60,.25)}
.tl .st{font-size:15px;font-weight:600}
.tl li:not(.done):not(.now) .st{color:var(--muted);font-weight:400}
.sec--dark .tl li:not(.done):not(.now) .st{color:#7e958d}
.tl .dt{font-size:13px;color:var(--muted)}
.sec--dark .tl .dt{color:#7e958d}

/* tables & lists */
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{padding:12px 0;border-bottom:1px solid var(--line);text-align:left}
.sec--dark .tbl th,.sec--dark .tbl td{border-bottom-color:#264a41}
.tbl th{font-weight:500;width:46%}
.tbl td{text-align:right;color:var(--muted)}
.sec--dark .tbl td{color:#9db3ab}
.tick{list-style:none}
.tick li{padding:11px 0 11px 26px;border-bottom:1px solid var(--line);position:relative;font-size:15px}
.tick li::before{content:"";position:absolute;left:2px;top:20px;width:8px;height:8px;background:var(--sand)}
.sec--dark .tick li{border-bottom-color:#264a41}
.gal{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gal img{border-radius:6px;aspect-ratio:4/3;object-fit:cover;width:100%;cursor:zoom-in}

/* form */
.narrow{max-width:720px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form label.f{display:block;font-size:14px;color:var(--muted);margin-bottom:16px}
form label.f input,form label.f select,form label.f textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:4px;background:var(--panel);color:var(--ink)}
form label.f input:focus,form label.f select:focus,form label.f textarea:focus{outline:2px solid var(--teal);outline-offset:-1px}
textarea{resize:vertical}
.fine{font-size:13px;color:var(--muted);margin-top:14px}
.ok{margin-top:22px;background:#e9f4f1;border:1px solid var(--teal);border-radius:6px;padding:20px 22px;font-size:15px}

.big{font-size:19px;font-weight:600;line-height:1.7;margin-bottom:16px}
.sec p+p{margin-top:12px}
iframe{width:100%;height:330px;border:1px solid var(--line);border-radius:6px}
.legal{font-size:13px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding-top:16px;margin-top:18px}
.ftr{background:var(--dark);color:#7e958d;font-size:13px;padding:26px 0;line-height:1.9}
.ftr__in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

.lb{position:fixed;inset:0;z-index:100;background:rgba(10,16,14,.94);display:none;align-items:center;justify-content:center;flex-direction:column;gap:14px;padding:40px 20px}
.lb.on{display:flex}
.lb img{max-width:min(800px,92vw);max-height:78vh;border-radius:6px}
.lb__cap{color:#fff;font-size:15px}
.lb__x{position:absolute;top:16px;right:20px;font-size:28px;color:#fff;line-height:1;padding:6px 10px}

@media (max-width:920px){
  .hero__in,.cols{grid-template-columns:1fr;gap:34px}
  .nav{display:none}
  .hdr__in{height:64px;gap:14px}
  .tel{margin-left:auto}
  .hero{padding:46px 0}
  .sec{padding:50px 0}
  .row,.g2,.g3{grid-template-columns:1fr}
  .kpi{grid-template-columns:1fr;gap:12px}
}
@media (max-width:520px){ .wrap{padding:0 16px} .tel{display:none} .top__in{font-size:12px} }