:root{
  --green:#1F5C45; --green-d:#164433; --green-l:#E1EFE8; --gold:#8A5F00;
  --ink:#1C2420; --muted:#4F5A54; --faint:#5B6660; --line:#E1E6E3; --line2:#C5CEC9;
  --bg:#F4F6F5; --card:#FFFFFF; --red:#C62828; --red-d:#A61B1B; --amber-bg:#FFF1CC; --amber:#7A5200;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:'Inter','Noto Sans Lao',system-ui,sans-serif;font-size:15px;line-height:1.5;-webkit-text-size-adjust:100%}
a{color:var(--green)}a:hover{color:var(--green-d)}
img,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.hidden{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* header */
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.top .wrap{height:58px;display:flex;align-items:center;gap:8px}
.iconbtn{width:44px;height:44px;border:0;background:transparent;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--ink);padding:0}
.iconbtn:hover{background:var(--bg)}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);padding:4px}
.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--green);display:flex;align-items:center;justify-content:center}
.brand .name{font-size:19px;font-weight:700}
.brand .name b{color:var(--green)}.brand .name i{color:var(--gold);font-style:normal}
.grow{flex:1}
.cur{display:flex;background:#EEF2F0;border-radius:999px;padding:3px;gap:2px}
.cur button{min-width:44px;height:34px;border:0;border-radius:999px;background:transparent;color:#3B4741;font-weight:600;font-size:14px}
.cur button.on{background:var(--green);color:#fff}

/* common */
.btn{min-height:48px;padding:0 18px;border-radius:12px;border:0;background:var(--green);color:#fff;font-weight:700;font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
.btn:hover{background:var(--green-d);color:#fff}
.btn.outline{background:#fff;color:var(--green);border:1.5px solid var(--green)}
.btn.outline:hover{background:var(--green-l)}
.btn.red{background:var(--red)}.btn.red:hover{background:var(--red-d)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line2);font-weight:600}
.btn.danger{background:#fff;color:var(--red-d);border:1.5px solid var(--red-d);font-weight:600}
.btn[disabled]{background:#DDE3DF;color:var(--faint);cursor:not-allowed;border:0}
.btn.block{width:100%}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;white-space:nowrap}
.pill.ok{background:var(--green-l);color:var(--green)}
.pill.sold{background:var(--red);color:#fff}
.pill.dark{background:rgba(20,28,24,.72);color:#fff}
.muted{color:var(--muted)}.faint{color:var(--faint);font-size:13px}
h1,h2,h3{margin:0;line-height:1.3}
.row{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:4px 0}
.row span:first-child{color:var(--muted)}.row span:last-child{font-weight:600;text-align:right}
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 6px;scrollbar-width:none}
.chip{flex-shrink:0;min-height:40px;padding:0 16px;border-radius:999px;border:1.5px solid var(--line2);background:#fff;font-weight:600;font-size:14px;white-space:nowrap}
.chip.on{background:var(--green);border-color:var(--green);color:#fff}
.field{display:flex;flex-direction:column;gap:6px}
.field label,.lbl{font-size:13px;color:var(--muted)}
.input{height:48px;border:1px solid var(--line2);border-radius:10px;padding:0 12px;font-size:15px;background:#fff;width:100%}
textarea.input{height:auto;padding:10px 12px;resize:vertical}
.input:focus,.chip:focus-visible,.btn:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--green);border-radius:50%;animation:sp 0.8s linear infinite;margin:40px auto}
@keyframes sp{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1C2420;color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;z-index:99;max-width:90vw}
.err{color:var(--red-d);font-size:13px;font-weight:600}

/* home */
.hero{padding:32px 0 8px;display:flex;flex-direction:column;gap:10px;max-width:640px}
.hero h1{font-size:30px}
.roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:640px;margin:22px 0}
.role{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:20px 18px;min-height:190px;border-radius:18px;border:0;text-align:left;text-decoration:none}
.role.buy{background:var(--green);color:#fff}
.role.sell{background:#fff;border:1.5px solid var(--green);color:var(--ink)}
.role .ic{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.role.buy .ic{background:rgba(255,255,255,.16)}.role.sell .ic{background:var(--green-l)}
.role strong{font-size:23px}
.role small{font-size:13px;line-height:1.5;opacity:.92}
.trust{display:flex;flex-direction:column;gap:12px;max-width:640px}
.trust div{display:flex;gap:12px;align-items:center;font-size:14px}
.tick{width:32px;height:32px;flex-shrink:0;border-radius:50%;background:var(--green-l);display:flex;align-items:center;justify-content:center}
.foot{margin-top:40px;padding:24px 0 40px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.foot a{font-weight:600}

/* listings */
.listhead{display:flex;justify-content:space-between;align-items:baseline;margin:6px 0 12px;gap:8px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
@media(min-width:720px){.cards{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}}
.lcard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;text-decoration:none;color:inherit}
.lcard:hover{border-color:var(--line2);box-shadow:0 2px 10px rgba(0,0,0,.06)}
.thumb{position:relative;aspect-ratio:4/3;background:#DDE3DF;display:flex;align-items:center;justify-content:center}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .pill{position:absolute}
.thumb .tl{top:8px;left:8px}.thumb .tr{top:8px;right:8px}.thumb .bl{bottom:8px;left:8px;background:#fff;color:var(--green)}
.lcard.sold .thumb img{filter:grayscale(.85)}
.thumb .vbadge{width:28px;height:28px;padding:0;justify-content:center;border-radius:50%}
.lbody{padding:10px 12px 12px;display:flex;flex-direction:column;gap:2px}
.price{font-size:17px;font-weight:700;color:var(--green)}
.lcard .t{font-size:13px;font-weight:600}
.lcard .loc{font-size:12px;color:var(--muted);line-height:1.45}
.empty{text-align:center;padding:48px 16px;color:var(--faint)}

/* detail */
.detail{display:flex;flex-wrap:wrap;gap:20px;padding:16px 0 32px;align-items:flex-start}
.detail .media{flex:999 1 480px;min-width:0;display:flex;flex-direction:column;gap:10px}
.detail .side{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:14px}
.mainimg{position:relative;aspect-ratio:4/3;border-radius:14px;overflow:hidden;background:#DDE3DF}
.mainimg img{width:100%;height:100%;object-fit:cover}
.thumbs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.thumbs button{padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;aspect-ratio:1;background:#DDE3DF}
.thumbs button.on{border-color:var(--green)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.videos{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.videos video{width:100%;border-radius:12px;background:#000;aspect-ratio:16/9}
.bigprice{font-size:30px;font-weight:700;color:var(--green)}
.contact a.num{font-weight:700}

/* sell form */
.form{display:flex;flex-direction:column;gap:22px;max-width:640px;padding:20px 0 40px}
.form section{display:flex;flex-direction:column;gap:10px}
.form h2{font-size:16px}
.tile{min-height:52px;padding:6px;border-radius:12px;border:1.5px solid var(--line2);background:#fff;font-weight:600;font-size:14px}
.tile.on{border:2px solid var(--green);background:var(--green-l);color:var(--green);font-weight:700}
.drop{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border:1.5px dashed #B7C2BC;border-radius:12px;background:#fff;cursor:pointer;text-align:center;overflow:hidden}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.drop.photo{aspect-ratio:1}
.drop.video{height:120px}
.drop.filled{border-style:solid;border-color:var(--green)}
.drop img.prev{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.drop .x{position:absolute;top:6px;right:6px;z-index:2;width:30px;height:30px;border-radius:50%;border:0;background:rgba(20,28,24,.75);color:#fff;font-size:16px;line-height:1}
.drop small{font-size:11px;color:var(--faint);padding:0 6px}
.drop b{font-size:13px}
.doclist{display:flex;flex-direction:column;gap:6px}
.docitem{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:14px}
.docitem span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.docitem button{border:0;background:transparent;color:var(--red-d);font-weight:600;min-height:36px}
.overlay{position:fixed;inset:0;background:rgba(20,28,24,.55);z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}
.overlay .card{width:100%;max-width:380px;display:flex;flex-direction:column;gap:12px;text-align:center}
.bar{height:10px;border-radius:999px;background:#E6EBE8;overflow:hidden}
.bar div{height:100%;background:var(--green);width:0;transition:width .2s}
.steps{display:flex;flex-direction:column;gap:12px}
.steps div{display:flex;align-items:center;gap:12px;font-size:14px}
.steps b{width:28px;height:28px;flex-shrink:0;border-radius:50%;background:var(--green);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center}