:root{
  --bg:#080b10;
  --panel:#0f151d;
  --panel2:#0c1117;
  --line:#25313f;
  --txt:#e6edf3;
  --dim:#8b9bb0;
  --dim2:#64717f;
  --orange:#FC6B1B;
  --orange2:#ff9a5c;
  --ok:#4ec9a0;
  --warn:#e0b25b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(900px 520px at 50% -8%, rgba(252,107,27,.13), transparent 68%),
    radial-gradient(760px 460px at 92% 42%, rgba(252,107,27,.06), transparent 70%),
    var(--bg);
  color:var(--txt);
  font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:14px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--orange2)}
button{font-family:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:40;background:rgba(8,11,16,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.tb-inner{max-width:1120px;margin:0 auto;padding:0 24px;height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-size:16px;letter-spacing:.4px;white-space:nowrap}
.brand b{font-weight:600}
.brand .dot{color:var(--orange)}
.brand .sub{font-size:11px;color:var(--dim2);letter-spacing:.18em;margin-left:9px}
.tb-right{display:flex;align-items:center;gap:20px;font-size:13px;color:var(--dim);flex-wrap:wrap}
.tb-link{color:var(--dim);cursor:pointer}
.tb-link:hover{color:var(--txt)}
.tb-link.on{color:var(--orange2)}
.cred{color:var(--dim2);font-size:12px;border:1px solid var(--line);border-radius:20px;padding:3px 11px}
.cred b{color:var(--orange2);font-weight:600}
.tb-btn{background:var(--orange);color:#101418;border:0;border-radius:6px;padding:7px 15px;font-size:13px;font-weight:600;cursor:pointer}
.tb-btn:hover{background:var(--orange2)}
.tb-out{background:transparent;border:1px solid var(--line);color:var(--dim);border-radius:6px;padding:6px 12px;font-size:12.5px;cursor:pointer}
.tb-out:hover{color:var(--txt);border-color:var(--orange)}

/* ---------- generic ---------- */
.kicker{font-size:11px;letter-spacing:.42em;color:var(--dim2);text-transform:uppercase}
h1.title{font-size:clamp(26px,3.2vw,36px);font-weight:500;letter-spacing:2px;margin:14px 0 0}
.lead{color:var(--dim);font-size:14px;margin:10px 0 0;max-width:720px}
.section{margin-top:44px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:16px}
.sec-head h2{font-size:17px;font-weight:500;letter-spacing:.5px;margin:0}
.sec-head .more{font-size:12.5px;color:var(--dim2)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px}
.card.flat{background:var(--panel2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--orange);color:#101418;border:0;border-radius:7px;padding:11px 20px;font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s}
.btn:hover{background:var(--orange2)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--dim)}
.btn.ghost:hover{border-color:var(--orange);color:var(--txt)}
.btn.sm{padding:7px 13px;font-size:12.5px;border-radius:6px}
.tag{display:inline-block;font-size:11px;color:var(--dim2);border:1px solid var(--line);border-radius:20px;padding:2px 9px;letter-spacing:.06em}
.tag.on{color:var(--orange2);border-color:rgba(252,107,27,.45)}
.empty{border:1px solid var(--line);border-radius:10px;padding:34px 20px;text-align:center;color:var(--dim2)}
.empty b{display:block;color:var(--dim);margin-bottom:6px;font-weight:500}
.loading{color:var(--dim2);font-size:13px}
.err{background:rgba(252,107,27,.08);border:1px solid rgba(252,107,27,.35);color:#ffb489;border-radius:8px;padding:10px 13px;font-size:13px;margin-top:12px}
.hint{color:var(--dim2);font-size:12.5px}
hr.sep{border:0;border-top:1px solid var(--line);margin:18px 0}

/* ---------- login ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:40px 20px}
.back-home{position:fixed;top:22px;left:26px;font-size:12.5px;color:var(--dim);letter-spacing:.04em}
.back-home:hover{color:var(--orange2)}
.login-card{width:100%;max-width:400px;background:linear-gradient(180deg,#131a23,#0f151d);border:1px solid var(--line);border-radius:14px;padding:34px 32px 26px;box-shadow:0 24px 60px rgba(0,0,0,.45);position:relative;overflow:hidden}
.login-card:before{content:"";position:absolute;inset:0;background:radial-gradient(680px 320px at 50% -10%, rgba(252,107,27,.14), transparent 70%);pointer-events:none}
.login-card>*{position:relative}
.login-brand{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.login-brand b{font-size:15px;font-weight:600}
.login-brand b .dot{color:var(--orange)}
.login-brand span{font-size:10.5px;letter-spacing:.14em;color:var(--dim2)}
.login-title{font-size:26px;font-weight:600;margin:22px 0 6px;letter-spacing:2px}
.login-sub{color:var(--dim);font-size:12.5px;margin:0}
.login-sub a{color:var(--orange2)}
.field{margin-top:16px}
.field label{display:block;font-size:12px;color:var(--dim);margin-bottom:7px;letter-spacing:.04em}
.field input{width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:7px;padding:11px 13px;color:var(--txt);font-size:14px;outline:none;transition:.15s}
.field input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(252,107,27,.16)}
.field input::placeholder{color:#55606d}
.login-btn{width:100%;margin-top:22px;display:flex;align-items:center;justify-content:space-between;background:var(--orange);color:#101418;border:0;border-radius:8px;padding:12px 18px;font-size:14px;font-weight:700;cursor:pointer}
.login-btn:hover{background:var(--orange2)}
.login-btn .sign{font-size:11.5px;letter-spacing:.14em;opacity:.85}
.login-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);text-align:center;font-size:12px;color:var(--dim2);line-height:1.9}
.login-foot a{color:var(--orange2)}

/* ---------- workspace ---------- */
.hero{padding:52px 0 8px}
.seats{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:26px}
.seat{background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:14px 13px;min-height:112px}
.seat.founder{background:linear-gradient(180deg,rgba(252,107,27,.12),rgba(252,107,27,.03));border-color:rgba(252,107,27,.35)}
.seat .nm{font-size:13.5px;font-weight:600;letter-spacing:.3px}
.seat .en{font-size:9.5px;letter-spacing:.14em;color:var(--dim2);margin-top:3px;line-height:1.5}
.seat .tg{font-size:11.5px;color:var(--dim);margin-top:10px}
.quick{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.jump{display:grid;grid-template-columns:1.35fr 1fr;gap:14px;margin-top:22px}
.panel-block{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.panel-block h3{margin:0 0 4px;font-size:15px;font-weight:600}
.panel-block p{margin:0;color:var(--dim2);font-size:12.5px;line-height:1.8}
.panel-block .row-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.list{display:flex;flex-direction:column}
.list .item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid rgba(37,49,63,.55)}
.list .item:last-child{border-bottom:0}
.list .item .t{font-size:13.5px}
.list .item .m{font-size:11.5px;color:var(--dim2);margin-top:3px}
.list .item:hover .t{color:var(--orange2)}
.pill{font-size:11px;color:var(--dim2);border:1px solid var(--line);border-radius:20px;padding:2px 9px;white-space:nowrap}
.pill.open{color:var(--orange2);border-color:rgba(252,107,27,.4)}
.pill.closed{color:var(--dim2)}

/* ---------- founder form ---------- */
.fs-wrap{max-width:820px;margin:0 auto;padding:44px 24px 80px}
.fs-step{margin-top:34px}
.fs-step .no{font-size:11px;letter-spacing:.32em;color:var(--orange2)}
.fs-step h2{font-size:16px;font-weight:600;margin:8px 0 4px}
.fs-step .desc{color:var(--dim2);font-size:12.5px;margin:0 0 14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
input[type=text],textarea,select{width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:7px;padding:10px 12px;color:var(--txt);font-size:13.5px;outline:none;font-family:inherit}
input:focus,textarea:focus,select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(252,107,27,.14)}
textarea{min-height:84px;resize:vertical;line-height:1.75}
label.fl{display:block;font-size:12px;color:var(--dim);margin-bottom:6px;letter-spacing:.04em}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12.5px;color:var(--dim);border:1px solid var(--line);border-radius:20px;padding:6px 13px;cursor:pointer;background:transparent;transition:.12s}
.chip:hover{border-color:var(--orange);color:var(--txt)}
.chip.on{background:rgba(252,107,27,.13);border-color:rgba(252,107,27,.55);color:var(--orange2)}
.slider-row{display:grid;grid-template-columns:78px 1fr 46px;align-items:center;gap:10px;margin:9px 0}
.slider-row .lb{font-size:12.5px;color:var(--dim)}
.slider-row .val{font-size:12.5px;color:var(--orange2);text-align:right}
input[type=range]{-webkit-appearance:none;height:3px;background:var(--line);border-radius:3px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--orange);cursor:pointer}
.save-bar{display:flex;align-items:center;gap:14px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.save-bar .hint{flex:1}
.dna-loaded{background:rgba(252,107,27,.07);border:1px solid rgba(252,107,27,.3);border-radius:10px;padding:14px 16px;font-size:12.5px;color:var(--dim);margin-bottom:16px}

/* ---------- meeting ---------- */
.mt-wrap{max-width:1180px;margin:0 auto;padding:26px 24px 40px;display:grid;grid-template-columns:238px 1fr;gap:22px;align-items:start}
.mt-side{position:sticky;top:84px}
.mt-side h3{font-size:13px;color:var(--dim2);font-weight:500;letter-spacing:.14em;margin:0 0 12px}
.roster{display:flex;flex-direction:column;gap:7px}
.member{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;border:1px solid transparent;transition:.15s}
.member .av{width:28px;height:28px;border-radius:50%;background:#17202b;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--dim)}
.member .nm{font-size:12.5px}
.member .rl{font-size:10.5px;color:var(--dim2)}
.member.speaking{background:rgba(252,107,27,.1);border-color:rgba(252,107,27,.35)}
.member.speaking .av{background:rgba(252,107,27,.18);color:var(--orange2);border-color:rgba(252,107,27,.4)}
.member.founder .nm{color:var(--orange2)}
.mt-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:14px}
.mt-head .k{font-size:10.5px;letter-spacing:.24em;color:var(--dim2)}
.mt-head h1{font-size:20px;font-weight:600;margin:6px 0 0;letter-spacing:.5px;line-height:1.5}
.mt-head .sub{font-size:12px;color:var(--dim2);margin-top:5px}
.mt-body{min-height:300px;padding:18px 0 6px;display:flex;flex-direction:column;gap:18px}
.msg{display:flex;gap:12px;align-items:flex-start}
.msg .av{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#17202b;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--dim);flex:none}
.msg .box{min-width:0;flex:1}
.msg .who{display:flex;align-items:baseline;gap:8px;margin-bottom:5px}
.msg .who b{font-size:12.5px;font-weight:600}
.msg .who span{font-size:10.5px;color:var(--dim2);letter-spacing:.1em}
.msg .txt{white-space:pre-wrap;font-size:13.5px;color:#cfd8e3;line-height:1.85}
.msg.founder .av{background:rgba(252,107,27,.16);border-color:rgba(252,107,27,.4);color:var(--orange2)}
.msg.founder .txt{color:#f2d8c8}
.msg.typing .txt{color:var(--dim2)}
.mt-foot{position:sticky;bottom:0;background:var(--bg);border-top:1px solid var(--line);padding:14px 0 6px;box-shadow:0 -16px 24px rgba(8,11,16,.92)}
.mt-input{display:flex;gap:10px;align-items:flex-end}
.mt-input textarea{min-height:52px;max-height:150px;flex:1;min-width:0}
.mt-input .btn{flex:none;white-space:nowrap;padding:0 22px;height:44px;align-self:flex-end}
.mt-actions{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.mt-actions .spacer{flex:1}
.chk{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--dim);cursor:pointer;user-select:none}
.chk input{accent-color:var(--orange)}
.summary{margin-top:22px;background:linear-gradient(180deg,rgba(252,107,27,.08),rgba(252,107,27,.02));border:1px solid rgba(252,107,27,.3);border-radius:12px;padding:20px 22px}
.summary h3{margin:0 0 10px;font-size:14px;color:var(--orange2);letter-spacing:.1em}
.summary .txt{white-space:pre-wrap;font-size:13.5px;line-height:1.9;color:#dbe4ee}

/* ---------- opportunities ---------- */
.op-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin-bottom:14px}
.op-item .top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.op-item h3{margin:0;font-size:15.5px;font-weight:600;line-height:1.6}
.op-item .sc{font-size:20px;color:var(--orange2);font-weight:600;letter-spacing:1px}
.op-item .sc small{font-size:11px;color:var(--dim2);display:block;text-align:right;letter-spacing:.1em}
.op-body{display:grid;grid-template-columns:1fr 1fr;gap:12px 26px;margin-top:14px}
.op-body .kv .k{font-size:11px;color:var(--dim2);letter-spacing:.1em}
.op-body .kv .v{font-size:13px;color:#cfd8e3;margin-top:3px;line-height:1.75}
.op-ev{margin-top:12px;font-size:11.5px;color:var(--dim2);line-height:1.9}
.op-ev a{color:#9fb0c2;text-decoration:underline;text-underline-offset:3px}
.op-foot{display:flex;gap:10px;align-items:center;margin-top:16px;flex-wrap:wrap}
.scan-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:18px}

/* ---------- project ---------- */
.pj-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap}
.pj-head h1{font-size:24px;font-weight:600;margin:8px 0 0;letter-spacing:.6px}
.pj-meta{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pj-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:16px;margin-top:24px}
.pj-box{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.pj-box h3{font-size:13px;color:var(--dim2);letter-spacing:.14em;font-weight:500;margin:0 0 10px}
.pj-box .body{font-size:13.5px;color:#cfd8e3;white-space:pre-wrap;line-height:1.85}

@media(max-width:900px){
  .seats{grid-template-columns:repeat(3,1fr)}
  .jump{grid-template-columns:1fr}
  .mt-wrap{grid-template-columns:1fr;padding:18px 16px 30px}
  .mt-side{position:static}
  .roster{flex-direction:row;flex-wrap:wrap}
  .op-body{grid-template-columns:1fr}
  .pj-grid{grid-template-columns:1fr}
  .tb-right{gap:12px}
  .brand .sub{display:none}
  .grid2{grid-template-columns:1fr}
}

@media(max-width:760px){
  .tb-inner{padding:0 16px;gap:10px}
  #nav-user{display:none}
  .tb-right{gap:11px;font-size:12.5px;flex-wrap:nowrap;white-space:nowrap}
  .cred{padding:2px 9px;font-size:11.5px}
}