:root{--green:#132d25;--green2:#1c3d33;--paper:#f4f5f1;--orange:#ff7b45;--ink:#18211d;--muted:#5d6862;--line:#dfe3db;--card:#fff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Noto Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.narrow{max-width:640px}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--orange);color:#1a0f08;font-weight:800;text-decoration:none;padding:15px 24px;border-radius:999px;font-size:17px;box-shadow:0 6px 18px rgba(255,123,69,.35);transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn.sm{padding:9px 16px;font-size:14px;box-shadow:none}
.fine{font-size:13.5px;color:var(--muted);margin-top:12px}
.dark .fine{color:#b9c8c0}
/* header */
header{position:sticky;top:0;z-index:20;background:rgba(19,45,37,.96);backdrop-filter:blur(6px);color:#fff}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{font-weight:800;letter-spacing:.02em;text-decoration:none;display:inline-flex;align-items:center}
.logo span{color:var(--orange)}
.logo-img{display:block;height:43px;width:auto;background:none;border-radius:0}
nav{display:flex;gap:26px;font-size:15px}
nav a{text-decoration:none;opacity:.85}nav a:hover{opacity:1}
/* hero */
.hero{background:var(--green);color:#fff;padding:72px 0 88px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{font-size:13px;letter-spacing:.14em;color:var(--orange);font-weight:700;text-transform:uppercase;margin-bottom:14px}
h1{font-size:64px;line-height:1.12;font-weight:900;letter-spacing:-.01em;margin-bottom:22px}
h1 em{font-style:normal;color:var(--orange)}
.hero p.sub{font-size:19px;color:#d6e2dc;max-width:520px;margin-bottom:30px}
.hero p.sub b{color:#fff}
.en{font-size:13px;color:#8fa79b;margin-top:22px;font-style:italic}
.ba{background:var(--green2);border:1px solid #2c5245;border-radius:18px;padding:22px;display:grid;gap:12px}
.ba .row{border-radius:12px;padding:16px 18px}
.ba .before{background:#0e231d;border:1px dashed #3b5f52}
.ba .after{background:#fff;color:var(--ink)}
.ba h4{font-size:12px;letter-spacing:.12em;margin-bottom:8px;text-transform:uppercase}
.ba .before h4{color:#8fa79b}.ba .after h4{color:var(--orange)}
.ba li{list-style:none;font-size:15px;padding:3px 0}
.ba .before li{color:#c7d4ce;text-decoration:line-through;text-decoration-color:rgba(255,123,69,.6)}
.ba .after li::before{content:"✓ ";color:#2f9e6b;font-weight:800}
.arrow{text-align:center;color:var(--orange);font-weight:800;font-size:14px}
/* sections */
section{padding:84px 0}
h2{font-size:38px;line-height:1.25;font-weight:900;margin-bottom:18px;letter-spacing:-.01em}
.lead{font-size:18px;color:var(--muted);margin-bottom:34px}
.kicker{font-size:13px;letter-spacing:.14em;color:#c2552a;font-weight:800;margin-bottom:10px}
.punch{font-size:20px;font-weight:900}
/* compare */
.cmp{margin:34px 0 26px;display:grid;gap:12px}
.cmp-head,.cmp-row{display:grid;grid-template-columns:110px 1fr 44px 1fr;gap:0;align-items:stretch}
.cmp-head .h{font-size:14px;font-weight:900;letter-spacing:.08em;padding:12px 20px;border-radius:12px 12px 0 0}
.cmp-head .h.now{background:#e3e6df;color:#5d6862}
.cmp-head .h.sys{background:var(--green);color:#fff}
.cmp-tag{display:flex;align-items:center;font-weight:900;font-size:15px;color:var(--green);padding-right:12px}
.cmp-cell{display:flex;gap:10px;align-items:flex-start;padding:18px 20px;font-size:16px;line-height:1.6;border-radius:12px}
.cmp-cell .ic{flex:0 0 24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:900;margin-top:1px}
.cmp-cell.now{background:#eceee8;color:#5d6862;border:1px dashed #c9cfc5}
.cmp-cell.now .ic{background:#d5d9d1;color:#7a847e}
.cmp-cell.sys{background:#fff;color:var(--ink);border:2px solid var(--green);font-weight:700;box-shadow:0 6px 18px rgba(19,45,37,.08)}
.cmp-cell.sys .ic{background:#2f9e6b;color:#fff}
.cmp-arrow{display:grid;place-items:center;color:var(--orange);font-weight:900;font-size:22px}
.cmp-close{text-align:center;font-size:24px;margin-top:10px}
.what p{margin-bottom:14px}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0 14px}
.steps3>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.steps3 .n{font-size:34px;font-weight:900;color:var(--orange);line-height:1}
.steps3 h3{font-size:20px;margin:6px 0}
.steps3 p{color:var(--muted);font-size:15px}
.steps3>div:nth-child(3){background:var(--green);color:#fff;border-color:var(--green)}
.steps3>div:nth-child(3) p{color:#c7d4ce}
/* offer */
.offer{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.deliver{display:grid;gap:12px;margin:30px 0}
.item{display:grid;grid-template-columns:52px 1fr 150px;gap:16px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.item .no{width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:900}
.item h3{font-size:19px}
.item p{font-size:15px;color:var(--muted)}
.item .day{color:#d9602d;font-weight:900;font-size:16px;text-align:right}
.excl{font-size:14.5px;color:var(--muted);margin-bottom:30px}
.pricebox{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:20px;overflow:hidden;border:2px solid var(--green)}
.price{background:var(--green);color:#fff;padding:34px}
.price .lbl{font-size:14px;color:#b9c8c0}
.price .amt{font-size:60px;font-weight:900;line-height:1.1;margin:6px 0}
.price .amt.quote-line{font-size:28px;line-height:1.35;color:#fff;margin:10px 0 14px}
.price .amt small{font-size:24px;color:var(--orange);margin-right:4px}
.price .meta{font-size:15px;color:#d6e2dc}
.price .meta b{color:#fff}
.guar{padding:34px;background:#fffaf6}
.guar h3{font-size:20px;margin-bottom:10px}
.guar ul{list-style:none;margin-bottom:22px}
.guar li{padding:6px 0;border-bottom:1px dashed var(--line);font-size:15.5px}
.guar li b{color:var(--green)}
/* fit */
.fit{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.fit>div{border-radius:16px;padding:26px}
.fit .yes{background:#fff;border:1px solid var(--line)}
.fit .no{background:#e9ebe5;border:1px solid var(--line)}
.fit h3{font-size:18px;margin-bottom:12px}
.fit li{list-style:none;padding:8px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.fit li:last-child{border:0}
/* steps */
.howto{display:grid;gap:0;margin:30px 0}
.howto>div{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.howto .n{font-size:40px;font-weight:900;color:var(--orange);line-height:1}
.howto h3{font-size:20px}.howto p{color:var(--muted)}
/* proof */
.proof{background:var(--paper)}
.me{display:grid;grid-template-columns:120px 1fr;gap:26px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;margin-top:26px}
.avatar{width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,var(--green),#2c5245);color:#fff;display:grid;place-items:center;font-weight:900;font-size:34px}
.me h3{font-size:20px}.me .role{color:var(--muted);font-size:14px;margin-bottom:10px}
.quote{font-weight:800;margin:14px 0 4px;border-left:4px solid var(--orange);padding-left:12px}
/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:0 20px}
summary{cursor:pointer;font-weight:800;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;font-size:17px}
summary::after{content:"+";color:var(--orange);font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{padding:0 0 18px;color:#38423d;font-size:15.5px}
/* final */
.final{background:var(--green);color:#fff;text-align:center;padding:96px 0}
.final h2{font-size:46px}
.final p{color:#d6e2dc;margin-bottom:30px;font-size:18px}
footer{background:#0c1e18;color:#9fb3a9;font-size:14px;padding:44px 0 110px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr;gap:30px}
footer b{color:#fff}
footer a{color:#d6e2dc}
footer p{margin-bottom:6px}
/* chain */
.chain{display:grid;grid-template-columns:1fr 28px 1fr 28px 1fr;gap:0;align-items:stretch;margin:24px 0 22px}
.chain .lk{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.chain .lk b{display:block;font-size:19px;color:var(--green)}
.chain .lk span{font-size:14.5px;color:var(--muted)}
.chain .lk.hl{border:2px solid var(--orange);background:#fffaf6}
.chain .ar{display:grid;place-items:center;color:var(--orange);font-weight:900;font-size:20px}
/* anchor */
.anchor{background:#fff;border-top:1px solid var(--line)}
.calc{display:grid;grid-template-columns:1fr 34px 1fr 34px 1fr 34px 1.2fr;align-items:stretch;margin:30px 0 18px}
.calc .box{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 16px;text-align:center}
.calc .box .q{font-size:14px;color:var(--muted);margin-bottom:8px;min-height:44px}
.calc .box input{width:100%;max-width:140px;font:inherit;font-size:24px;font-weight:900;text-align:center;border:0;border-bottom:2px dashed #c9cfc5;background:transparent;color:var(--ink);padding:2px 0}
.calc .box input:focus{outline:none;border-bottom-color:var(--orange)}
.calc .box .rm{font-size:20px;font-weight:900;margin-right:4px;vertical-align:middle}
.calc .box input{vertical-align:middle}
.calc .box .u{font-size:13px;color:var(--muted);margin-top:6px}
.calc .op{display:grid;place-items:center;font-size:24px;font-weight:900;color:var(--orange)}
.calc .box.res{background:var(--green);color:#fff;border-color:var(--green)}
.calc .box.res .q,.calc .box.res .u{color:#b9c8c0}
.calc .box.res .v{font-size:28px;font-weight:900;color:var(--orange);line-height:1.3}
.yrs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:8px 0 26px}
.yrs>div{border:1px dashed #c9cfc5;border-radius:12px;padding:14px 18px;font-size:15.5px;color:var(--muted)}
.yrs>div b{display:block;font-size:22px;color:var(--ink)}
.yrs>div:last-child{border:2px solid var(--green);color:var(--ink)}
.keep{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:6px 0 26px}
.keep>div{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.keep h3{font-size:18px;margin-bottom:6px}
.keep p{font-size:15.5px;color:var(--muted)}
.anchor-close{border-left:4px solid var(--orange);padding:4px 0 4px 16px;font-size:20px;font-weight:900;line-height:1.5}
.anchor-close span{display:block;font-size:15.5px;font-weight:400;color:var(--muted);margin-top:6px}
/* real-estate example */
.re{display:grid;grid-template-columns:1.05fr .95fr;gap:0;border:2px solid var(--green);border-radius:18px;overflow:hidden;margin:30px 0 10px;background:#fff}
.re-l{padding:26px 28px;background:#fffaf6}
.re-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.1em;background:var(--green);color:#fff;border-radius:999px;padding:3px 12px;margin-bottom:12px}
.re-l h3{font-size:22px;line-height:1.45;margin-bottom:14px}
.re-l h3 em{font-style:normal;color:#d9602d}
.re-steps{list-style:none;display:grid;gap:8px;margin-bottom:14px}
.re-steps li{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:baseline;font-size:15.5px;padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:10px}
.re-steps li .k{font-weight:900;color:var(--orange)}
.re-steps li .m{font-weight:900;color:var(--green);white-space:nowrap}
.re-steps li.tot{background:var(--green);color:#fff;border-color:var(--green)}
.re-steps li.tot .k,.re-steps li.tot .m{color:var(--orange)}
.re-r{padding:26px 24px;border-left:1px solid var(--line)}
.re-r .t{font-size:14px;font-weight:800;color:var(--muted);margin-bottom:10px}
.re-tbl{width:100%;border-collapse:collapse;font-size:15px;text-align:right}
.re-tbl th{font-size:13px;color:var(--muted);font-weight:700;padding:8px 6px;border-bottom:2px solid var(--line)}
.re-tbl th:first-child,.re-tbl td:first-child{text-align:left}
.re-tbl td{padding:11px 6px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.re-tbl tr.hl td{background:#fff3ea;font-weight:900;color:var(--ink)}
.re-tbl tr.hl td:first-child{border-left:3px solid var(--orange)}
.re-note{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.6}
.re-soft{font-size:13.5px;color:#6b5600;background:#fff3b0;border-radius:6px;padding:4px 10px;display:inline-block}
.re>div{min-width:0}
.nw{white-space:nowrap}
.calc-lead{font-size:17px;font-weight:800;margin-top:30px}
/* mobile bar */
.mbar{display:none}
@media (max-width:820px){
  body{font-size:16px}
  nav{display:none}
  .hero{padding:48px 0 60px}
  .hero .wrap{grid-template-columns:1fr;gap:34px}
  h1{font-size:44px}
  h2{font-size:29px}
  section{padding:60px 0}
  .steps3,.fit,.pricebox,footer .cols{grid-template-columns:1fr}
  .item{grid-template-columns:44px 1fr}
  .item .no{width:38px;height:38px}
  .item .day{grid-column:2;text-align:left;font-size:14px}
  .price .amt{font-size:48px}
  .price .amt.quote-line{font-size:24px}
  .me{grid-template-columns:1fr}
  .cmp-head{display:none}
  .cmp-row{grid-template-columns:1fr;gap:6px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
  .cmp-tag{padding:0 0 2px}
  .cmp-arrow{transform:rotate(90deg);height:22px;font-size:18px}
  .cmp-cell{font-size:15px;padding:14px 16px}
  .cmp-close{font-size:20px}
  .chain{grid-template-columns:1fr;gap:4px}
  .chain .ar{transform:rotate(90deg);height:20px}
  .calc{grid-template-columns:1fr;gap:4px}
  .calc .op{height:26px}
  .calc .box .q{min-height:0}
  .yrs,.keep,.re{grid-template-columns:1fr}
  .re-r{border-left:0;border-top:1px solid var(--line)}
  .re-l,.re-r{padding:20px 18px}
  .re-l h3{font-size:19px}
  .re-steps li{grid-template-columns:auto 1fr;font-size:14.5px}
  .re-steps li .m{grid-column:2}
  .re-tbl{font-size:12.5px}
  .re-tbl th{font-size:11.5px;padding:6px 3px}
  .re-tbl td{padding:9px 3px}
  .re-r{padding:18px 12px}
  .anchor-close{font-size:18px}

  .avatar{width:84px;height:84px;font-size:26px}
  .final h2{font-size:34px}
  .hero .btn,.final .btn,.guar .btn{width:100%;justify-content:center}
  header .btn{display:none}
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--green);padding:10px 14px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -6px 20px rgba(0,0,0,.18)}
  .mbar .btn{width:100%;justify-content:center;font-size:16px;padding:14px}
}

.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{position:fixed;left:16px;top:16px;z-index:99;width:auto;height:auto;padding:12px 16px;background:var(--orange);color:#1a0f08;font-weight:800}
.portrait-img{width:120px;height:120px;border-radius:50%;object-fit:cover;object-position:center 20%;display:block}
@media (max-width:820px){.portrait-img{width:84px;height:84px}}
.svc-table{width:100%;border-collapse:collapse;margin:24px 0 36px;font-size:15.5px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.svc-table th,.svc-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.svc-table th{background:var(--green);color:#fff;font-size:13px;letter-spacing:.06em}
.svc-table tr:last-child td{border-bottom:0}
.svc-table a{color:#c2552a;font-weight:700;text-decoration:none}
.svc-block{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;margin:0 0 16px}
.svc-block h2{font-size:26px;margin-bottom:10px}
.svc-block .result{font-size:17px;margin-bottom:14px}
.svc-block ul{margin:0 0 14px;padding-left:1.2em;color:var(--muted)}
.svc-block li{margin:6px 0}
.svc-block .more{font-weight:800;color:#c2552a;text-decoration:none}
.combo{border:2px solid var(--green);border-radius:18px;padding:28px;background:#fffaf6;margin:28px 0}
.region-note{font-size:15px;color:var(--muted);margin-top:20px;padding:14px 18px;background:#eceee8;border-radius:12px}
footer{padding-bottom:44px}
@media (max-width:820px){footer{padding-bottom:110px}.svc-table{display:block;overflow-x:auto}}
.lang-switch{display:flex;align-items:center;gap:6px;font-size:13px;white-space:nowrap}.lang-switch a{color:inherit;opacity:.75;text-decoration:none;padding:2px 2px}.lang-switch a[aria-current]{opacity:1;font-weight:700;text-decoration:underline;text-underline-offset:3px}.lang-switch span{opacity:.45}
footer .legal{font-size:12.5px;margin-top:14px;opacity:.85}footer .legal a{color:inherit}