:root{
  --blue:#1f6fff;--blue-d:#1557d6;--blue-l:#eaf1ff;--ink:#14213d;--ink2:#4a5672;--mute:#8a94ab;
  --line:#e6eaf2;--bg:#f5f7fb;--card:#fff;--green:#1aad19;--wa:#25d366;--line-g:#06c755;
  --r:18px;--shadow:0 8px 30px rgba(20,33,61,.08);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:13px}
.brand small{display:block;font-weight:400;font-size:11px;color:var(--mute);line-height:1}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--ink2);font-size:15px}
.nav a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;padding:11px 18px;font:inherit;font-weight:600;font-size:15px;cursor:pointer;transition:.15s}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-d)}
.btn-ghost{background:var(--blue-l);color:var(--blue)}
.btn-white{background:#fff;color:var(--blue)}
.btn-wa{background:var(--wa);color:#fff}.btn-wx{background:var(--green);color:#fff}.btn-line{background:var(--line-g);color:#fff}
.btn-block{width:100%}

/* hero */
.hero{background:linear-gradient(135deg,#1f6fff 0%,#4c8dff 60%,#7fb0ff 100%);color:#fff;padding:56px 0 90px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.kicker{letter-spacing:.14em;font-size:12px;opacity:.85;text-transform:uppercase;margin:0 0 12px}
.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.2;margin:0 0 16px}
.answer{font-size:17px;opacity:.95;max-width:34em;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;margin:26px 0 0;padding:0;list-style:none;font-size:14px;opacity:.95}
.trust li::before{content:"✓ ";font-weight:700}
.hero-photo{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.2);aspect-ratio:4/3;background:#dfe8fb}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;left:16px;bottom:16px;background:#fff;color:var(--ink);border-radius:14px;padding:10px 14px;font-size:14px;box-shadow:var(--shadow)}
.hero-badge b{color:var(--blue);font-size:18px;margin-left:8px}

/* sections */
.section{padding:64px 0}
.section-head{margin-bottom:26px}
.eyebrow{color:var(--blue);font-size:12px;letter-spacing:.14em;font-weight:700;margin:0 0 6px}
.section h2{font-size:clamp(24px,3vw,32px);margin:0 0 8px;line-height:1.3}
.section-head p{color:var(--ink2);margin:0}

/* search */
.search-card{margin-top:-56px;position:relative;z-index:2;background:#fff;border-radius:22px;box-shadow:var(--shadow);padding:22px}
.search-grid{display:grid;grid-template-columns:repeat(4,1fr) auto;gap:14px;align-items:end}
.field label{display:block;font-size:13px;color:var(--mute);margin-bottom:6px}
.field select,.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;font:inherit;font-size:15px;background:#fff;color:var(--ink)}
.field select:focus,.field input:focus,.field textarea:focus{outline:2px solid var(--blue-l);border-color:var(--blue)}
.ai-row{display:flex;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.ai-row input{flex:1;border:1px solid var(--line);border-radius:12px;padding:11px 12px;font:inherit}
.hint{font-size:13px;color:var(--mute);margin:8px 0 0}

/* areas */
.area-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.area-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;color:var(--ink);transition:.15s;display:block}
.area-card:hover{border-color:var(--blue);transform:translateY(-2px)}
.area-card b{display:block;font-size:17px}
.area-card span{font-size:13px;color:var(--mute)}
.area-card em{display:block;font-style:normal;color:var(--blue);font-size:13px;margin-top:10px}

/* listings */
.list-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.count{color:var(--ink2);margin:0}
.tabs{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px}
.tabs button{border:0;background:none;padding:8px 16px;border-radius:9px;font:inherit;font-size:14px;cursor:pointer;color:var(--ink2)}
.tabs button[aria-selected=true]{background:var(--blue);color:#fff}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.card{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:.15s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card-img{aspect-ratio:4/3;background:#dfe8fb;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover}
.tag{position:absolute;left:10px;top:10px;background:rgba(255,255,255,.95);border-radius:8px;padding:3px 8px;font-size:12px;color:var(--ink)}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.card-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--mute)}
.card-meta .hot{color:#e8590c}
.card h3{font-size:17px;margin:6px 0 4px;line-height:1.4}
.card h3 a{color:var(--ink)}
.specs{font-size:14px;color:var(--ink2);margin:0 0 12px}
.price-row{margin-top:auto;display:flex;justify-content:space-between;align-items:flex-end;gap:8px}
.price{font-size:22px;font-weight:800;color:var(--blue);line-height:1.1}
.price small{display:block;font-size:12px;font-weight:400;color:var(--mute);margin-top:3px}
.more{font-size:14px;font-weight:600;white-space:nowrap}
.empty{padding:40px;text-align:center;color:var(--ink2);background:#fff;border-radius:var(--r);border:1px dashed var(--line)}
#map{height:520px;border-radius:var(--r);border:1px solid var(--line);background:#e9eef7}
.map-pop b{display:block;margin-bottom:4px}

/* process / services / faq */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s;padding:0;margin:0;list-style:none}
.steps li{background:#fff;border-radius:16px;padding:20px;border:1px solid var(--line)}
.steps li::before{counter-increment:s;content:"0" counter(s);display:block;color:var(--blue);font-weight:800;font-size:22px;margin-bottom:6px}
.steps b{display:block;margin-bottom:4px}
.steps p{margin:0;font-size:14px;color:var(--ink2)}
.table-wrap{overflow-x:auto;background:#fff;border-radius:16px;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f8faff;font-weight:600;color:var(--ink2);white-space:nowrap}
tr:last-child td{border-bottom:0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:10px}
.faq summary{padding:16px 18px;cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--blue);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0;padding:0 18px 16px;color:var(--ink2)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:24px}
.panel{background:#fff;border-radius:20px;border:1px solid var(--line);padding:24px}
.channel{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.channel:last-child{border-bottom:0}
.channel .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;flex:none}
.channel .info{flex:1;min-width:0}
.channel .info b{display:block}
.channel .info span{color:var(--ink2);font-size:14px;word-break:break-all}
.qr{width:140px;margin-top:10px;border-radius:10px;border:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}
.form-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.note{font-size:13px;color:var(--mute);margin:10px 0 0}

/* detail page */
.crumbs{font-size:14px;color:var(--mute);padding:18px 0 0}
.crumbs a{color:var(--ink2)}
.detail{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;padding:18px 0 40px}
.gallery{border-radius:20px;overflow:hidden;background:#dfe8fb;aspect-ratio:4/3}
.gallery img{width:100%;height:100%;object-fit:cover}
.detail-side{position:sticky;top:84px;align-self:start}
.detail h1{font-size:28px;line-height:1.35;margin:4px 0 8px}
.detail .price{font-size:32px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:18px 0;font-size:15px}
.kv dt{color:var(--mute)}.kv dd{margin:0}
.pending{color:#b26a00}
.mini-map{height:280px;border-radius:16px;border:1px solid var(--line);margin-top:10px;background:#e9eef7}
.map-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;font-size:14px}

/* detail extras */
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px}
.thumbs img{aspect-ratio:4/3;object-fit:cover;border-radius:10px;width:100%}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.chips span{background:var(--blue-l);color:var(--blue-d);border-radius:999px;padding:4px 12px;font-size:13px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px}
.area-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}

/* footer + mobile bar */
.site-footer{background:#0f1a33;color:#aab4cc;padding:36px 0 110px;font-size:14px}
.site-footer a{color:#dbe3f5}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
.mobile-bar{display:none}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:rgba(20,33,61,.92);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:100}
.toast.show{opacity:1}

@media (max-width:900px){
  .nav{display:none}
  .hero{padding:36px 0 80px}
  .hero-grid,.contact-grid,.detail{grid-template-columns:1fr}
  .search-grid{grid-template-columns:1fr 1fr}
  .search-grid .btn{grid-column:1/-1}
  .area-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr 1fr}
  .detail-side{position:static}
  .header-cta{display:none}
  .mobile-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(20,33,61,.08)}
  .mobile-bar .btn{padding:12px 6px;font-size:14px}
  .site-footer{padding-bottom:120px}
}
@media (max-width:560px){
  .form-grid,.steps{grid-template-columns:1fr}
  .search-grid{grid-template-columns:1fr}
  .ai-row{flex-direction:column}
  .section{padding:48px 0}
  #map{height:420px}
}