:root{
  --bg:#F2F4F8;--surface:#fff;--surface-2:#F6F7FA;--ink:#0F1B33;--muted:#5D6984;--line:#DCE2EC;
  --navy:#13244A;--primary:#13244A;--on-primary:#fff;--gold:#B8893A;--gold-ink:#7A5517;--gold-soft:#F5EBD8;
  --ok:#1E8757;--ok-soft:#E1F3EA;--warn:#A86A12;--warn-soft:#FBF0DC;--bad:#B4372F;--bad-soft:#FBE6E3;--info:#2F5DB8;--info-soft:#E4ECFA;
  --shadow:0 1px 2px rgba(15,27,51,.06),0 8px 24px rgba(15,27,51,.06);
  --f:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --fd:Georgia,"Songti SC",serif;color-scheme:light}
@media (prefers-color-scheme:dark){:root{
  --bg:#0A1122;--surface:#121B31;--surface-2:#18233D;--ink:#E8EDF7;--muted:#97A3BE;--line:#26324E;
  --navy:#0E1933;--primary:#E2BE73;--on-primary:#1A1204;--gold:#D8B068;--gold-ink:#E9C985;--gold-soft:#2A2414;
  --ok:#4CC28A;--ok-soft:#12301F;--warn:#E3A84B;--warn-soft:#2E2412;--bad:#F07A6E;--bad-soft:#341A18;--info:#86A9F0;--info-soft:#172544;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--f);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;padding-bottom:env(safe-area-inset-bottom)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
[hidden]{display:none!important}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}.small{font-size:13px}.xs{font-size:12px}
.boot{min-height:100vh;display:grid;place-items:center;font-family:var(--fd);font-size:22px;color:var(--muted)}
.wrap{max-width:1040px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
.eyebrow{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--gold-ink)}
h1,h2,h3{margin:0;text-wrap:balance}

/* auth screens */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px 16px;background:radial-gradient(1200px 500px at 50% -10%,rgba(226,190,115,.25),transparent),var(--bg)}
.auth-card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:36px;height:36px}
.brand b{font-family:var(--fd);font-size:20px}
.brand span{display:block;font-size:10px;letter-spacing:.18em;font-weight:700;color:var(--gold-ink)}
label.f{display:flex;flex-direction:column;gap:5px;font-size:12.5px;font-weight:600;color:var(--muted);min-width:0}
.in{width:100%;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:15px;color:var(--ink)}
.in:focus{border-color:var(--gold);outline:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:12px;padding:10px 16px;font-weight:700;font-size:14.5px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;white-space:nowrap}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:9px}
.btn-primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}
.btn-gold{background:linear-gradient(180deg,#E2BE73,#BF9145);border-color:#B8893A;color:#21170A}
.btn-wa{background:#1FA855;border-color:#1FA855;color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed}
.err{background:var(--bad-soft);color:var(--bad);border-radius:10px;padding:9px 12px;font-size:13.5px;font-weight:600}
.note{background:var(--gold-soft);color:var(--gold-ink);border-radius:12px;padding:11px 14px;font-size:13.5px}

/* shell */
.top{position:sticky;top:0;z-index:20;background:var(--navy);color:#fff;padding-top:env(safe-area-inset-top)}
.top .wrap{display:flex;align-items:center;gap:12px;padding-block:10px;flex-wrap:wrap}
.top .brand b{color:#fff}.top .brand span{color:#C9B27E}
.tabs{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.tabs button{border:0;background:transparent;color:#C8D0E2;font-weight:700;font-size:14px;padding:7px 12px;border-radius:999px}
.tabs button[aria-current="page"]{background:#E2BE73;color:#1A1204}
main{padding-block:20px 60px}
.screen{display:flex;flex-direction:column;gap:16px}
.hero h1{font-size:24px;font-weight:800}
.hero p{margin:6px 0 0;color:var(--muted)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow);min-width:0}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:10px;flex-wrap:wrap}.row>*{flex:1 1 160px;min-width:0}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}
.sec-h h2{font-size:17px;font-weight:800}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}
.pill{display:inline-flex;align-items:center;font-size:11.5px;font-weight:800;padding:2px 9px;border-radius:999px;white-space:nowrap}
.p-ok{background:var(--ok-soft);color:var(--ok)}.p-warn{background:var(--warn-soft);color:var(--warn)}.p-bad{background:var(--bad-soft);color:var(--bad)}.p-info{background:var(--info-soft);color:var(--info)}.p-gold{background:var(--gold-soft);color:var(--gold-ink)}.p-mute{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}

/* products */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.pcard{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:6px;box-shadow:var(--shadow);min-width:0}
.pcard:hover{border-color:var(--gold)}
.pcard b{font-size:16px}
.pcard .price{font-family:var(--fd);font-size:22px;color:var(--gold-ink)}
.tblwrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;font-size:11.5px;color:var(--muted);font-weight:800;padding:9px 10px;border-bottom:1px solid var(--line);background:var(--surface-2);white-space:nowrap}
.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl.wide{min-width:820px}
.tbl td.nw,.tbl .nw{white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl input.in{padding:6px 8px;font-size:14px;width:96px}
.saved{color:var(--ok);font-weight:800;font-size:12px}
.copy{white-space:pre-wrap;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:14px;font-size:14px;max-height:420px;overflow:auto}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:3px;gap:3px}
.seg button{border:0;background:transparent;border-radius:9px;padding:6px 12px;font-size:13px;font-weight:700;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px}
.specs div{background:var(--surface-2);border-radius:10px;padding:9px 12px}
.specs span{display:block;font-size:11.5px;color:var(--muted);font-weight:700}
.back{align-self:flex-start}

/* result box */
.result{border:2px solid var(--ok);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--ok-soft)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:18px;font-weight:800;letter-spacing:.06em}
.msg{white-space:pre-wrap;background:var(--surface);border-radius:10px;padding:10px 12px;font-size:13.5px;border:1px solid var(--line)}
.perms{display:flex;gap:12px;flex-wrap:wrap;font-size:13.5px}
.perms label{display:flex;gap:6px;align-items:center}

.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:999px;font-size:13px;font-weight:700;opacity:0;transition:opacity .2s;pointer-events:none;z-index:50;max-width:90vw;text-align:center}
.toast.show{opacity:1}
@media (max-width:640px){.tabs{margin-left:0;width:100%}.hero h1{font-size:21px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Day 2: 邀请、批准、推荐树 */
.tabs .badge{display:inline-grid;place-items:center;min-width:18px;height:18px;margin-left:6px;padding:0 5px;border-radius:999px;background:var(--bad);color:#fff;font-size:11px;font-weight:800;vertical-align:1px}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.5}
.consent input{margin-top:3px;flex:none;width:16px;height:16px;accent-color:var(--gold)}
.done-mark{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--ok-soft);color:var(--ok);font-size:26px;font-weight:800}
.auth-card a:not(.btn){color:var(--gold-ink);font-weight:700}
.invite{border-color:var(--gold);background:linear-gradient(180deg,var(--gold-soft),var(--surface) 70%)}
.linkbox{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px;font-weight:700;background:var(--surface);border:1px dashed var(--gold);border-radius:10px;padding:10px 12px;word-break:break-all;user-select:all}
.row.btns>*{flex:0 0 auto}
.invite details summary{cursor:pointer;font-weight:700}
.invite details p{margin:6px 0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 14px;box-shadow:var(--shadow)}
.stat span{display:block;font-size:12px;color:var(--muted);font-weight:700}
.stat b{font-size:24px;font-family:var(--fd)}
.note .btn{margin-left:8px}
.empty{text-align:center;display:flex;flex-direction:column;gap:4px;align-items:center}
.empty p{margin:0}
ul.tree{list-style:none;margin:0;padding:0 0 0 16px;border-left:1.5px dashed var(--line)}
ul.tree.root{padding-left:0;border-left:0}
ul.tree li{margin:6px 0;min-width:0}
.node{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:11px;min-width:0}
summary.node{cursor:pointer;list-style:none}
summary.node::-webkit-details-marker{display:none}
summary.node::before{content:"▸";color:var(--gold-ink);font-size:12px;transition:transform .15s;display:inline-block}
details[open]>summary.node::before{transform:rotate(90deg)}
.node .nm{font-weight:800;display:inline-flex;align-items:center;gap:6px}
.node .you{font-size:10.5px;font-weight:800;background:var(--primary);color:var(--on-primary);border-radius:999px;padding:1px 7px}
.node .team{font-size:12px;font-weight:800;color:var(--gold-ink);background:var(--gold-soft);border-radius:999px;padding:1px 8px}
.node .meta{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:center;flex-basis:100%}
.node.leaf{padding-left:24px}
.approve{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;border-color:var(--warn)}
.approve .who{display:flex;flex-direction:column;gap:2px;min-width:0}
@media (max-width:640px){ul.tree{padding-left:10px}}
.linkbtn{border:0;background:none;padding:0;margin-left:4px;color:var(--gold-ink);font-weight:700;font-size:inherit;text-decoration:underline;cursor:pointer}
.auth-card>.linkbtn{align-self:flex-start;margin:0}
.tbl .perms{gap:4px 10px;margin-top:4px;color:var(--muted)}
.tbl .perms input{accent-color:var(--gold)}

/* Day 3: 方案、媒体库 */
.f{display:flex;flex-direction:column;gap:6px;font-size:12.5px;font-weight:600;color:var(--muted);min-width:0}
.f>.seg{align-self:flex-start}
.feed ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.feed li{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:14px;padding:6px 10px;border-radius:9px}
.feed li.new{background:var(--gold-soft);font-weight:700}
.plist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.pcard2{display:flex;flex-direction:column;gap:6px}
.builder{border-color:var(--gold)}
.pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px;margin-top:4px}
.pk{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;border:1.5px solid var(--line);background:var(--surface);border-radius:11px;padding:9px 11px;color:var(--ink);font-size:14px}
.pk[aria-pressed="true"]{border-color:var(--gold);background:var(--gold-soft)}
.pk[aria-pressed="true"] b::before{content:"✓ ";color:var(--gold-ink)}
.chosen-p{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface-2)}
.plans-pick{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.plans-pick label{display:flex;gap:8px;align-items:flex-start;font-size:13.5px}
.plans-pick input{margin-top:3px;accent-color:var(--gold);flex:none}
textarea.in{resize:vertical;min-height:60px}
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.mtile{display:flex;flex-direction:column;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;padding:0;color:var(--ink);text-decoration:none;min-width:0}
.mtile:hover{border-color:var(--gold)}
.mtile img,.vthumb{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--surface-2)}
.vthumb{display:grid;place-items:center;align-content:center;gap:4px;font-size:28px;color:var(--gold-ink);background:linear-gradient(135deg,var(--navy),#2A3E6E);color:#E2BE73}
.vthumb small{font-size:12px;color:#C8D0E2;font-weight:700}
.mcap{display:flex;flex-direction:column;gap:3px;padding:8px 10px;font-size:12px;color:var(--muted)}
.mcap b{color:var(--ink);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mcap .pill{align-self:flex-start}
.drop{border:2px dashed var(--line);border-radius:14px;padding:22px 16px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.drop.over{border-color:var(--gold);background:var(--gold-soft)}
.drop label.btn{cursor:pointer}
.upbox{display:flex;flex-direction:column;gap:6px;background:var(--surface-2);border-radius:12px;padding:12px}
progress{width:100%;height:10px;accent-color:var(--gold)}
.stat b small{font-size:14px;color:var(--muted);font-family:var(--f)}
select.mf{width:auto;min-width:180px}
.med{border:0;border-radius:18px;padding:18px;width:min(640px,calc(100vw - 24px));max-height:calc(100vh - 32px);background:var(--surface);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.35)}
.med::backdrop{background:rgba(10,17,34,.55)}
.mprev{display:flex;justify-content:center;background:var(--surface-2);border-radius:12px;overflow:hidden}
.mprev img,.mprev video{max-width:100%;max-height:50vh;display:block}
.pchecks{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:4px 12px;font-size:13px;color:var(--ink);font-weight:500}
.pchecks label{display:flex;gap:6px;align-items:center}
.pchecks input{accent-color:var(--gold)}

/* Day 4: 订单、核实与转账 */
.olist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.ocard{display:flex;flex-direction:column;gap:6px;text-align:left;color:var(--ink);font:inherit;width:100%}
button.ocard:hover{border-color:var(--gold)}
.gps{display:grid;grid-template-columns:repeat(8,1fr);gap:3px;margin:2px 0}
.gps span{height:6px;border-radius:3px;background:var(--line)}
.gps span.done{background:var(--ok)}
.gps span.now{background:var(--gold)}
.gps span.x{background:var(--bad-soft)}
.goalcalc{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:flex-end}
.goalcalc .f{flex:0 1 200px}
.goalcalc p{margin:0;flex:1 1 240px}
.goal{display:flex;flex-direction:column;gap:6px}
.goal .sec-h b{font-size:20px;font-family:var(--fd)}
.prep{background:var(--info-soft);color:var(--ink);border-radius:12px;padding:10px 12px;font-size:13.5px}
.prep b{color:var(--info)}
.estimate{background:var(--gold-soft);border-radius:12px;padding:10px 12px;font-size:14px}
.estimate b{font-size:18px;color:var(--gold-ink)}
ol.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;counter-reset:s}
ol.steps li{counter-increment:s;position:relative;padding:8px 10px 8px 40px;border-radius:10px;display:flex;flex-wrap:wrap;gap:2px 8px;align-items:center;color:var(--muted)}
ol.steps li::before{content:counter(s);position:absolute;left:8px;top:8px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;background:var(--surface-2);border:1px solid var(--line);color:var(--muted)}
ol.steps li .xs{flex-basis:100%}
ol.steps li.done{color:var(--ink)}
ol.steps li.done::before{content:"✓";background:var(--ok);border-color:var(--ok);color:#fff}
ol.steps li.now{background:var(--gold-soft);color:var(--ink)}
ol.steps li.now::before{background:var(--gold);border-color:var(--gold);color:#1A1204}
.act{border-top:1px dashed var(--line);padding-top:12px}
.ophotos{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.ophotos figure{margin:0;display:flex;flex-direction:column;gap:6px}
.ophotos img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px;border:1px solid var(--line);display:block}
label.btn input[type=file]{display:none}
dl.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;margin:10px 0 0}
dl.kv div{background:var(--surface-2);border-radius:10px;padding:8px 12px;min-width:0}
dl.kv dt{font-size:11.5px;color:var(--muted);font-weight:700}
dl.kv dd{margin:0;word-break:break-word}
dl.kv a,.hero a{color:var(--info);font-weight:700}
ul.tl{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
ul.tl li{display:flex;gap:10px;font-size:13.5px;flex-wrap:wrap}
.payg{display:flex;flex-direction:column;gap:8px}
ul.entries{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;font-size:13.5px}
ul.entries li{display:flex;justify-content:space-between;gap:10px;padding:5px 8px;border-radius:8px;background:var(--surface-2)}
ul.entries li.neg{background:var(--bad-soft);color:var(--bad)}
.payrow>*{flex:1 1 220px}
tr.click{cursor:pointer}
tr.click:hover td{background:var(--surface-2)}
.node .units{font-size:11.5px;color:var(--ok);background:var(--ok-soft);border-radius:999px;padding:1px 8px}

/* 产品图、颜色、看了什么 */
.pcard .pimg{display:block;margin:-14px -14px 4px;aspect-ratio:16/10;background:#fff;border-bottom:1px solid var(--line);overflow:hidden;border-radius:14px 14px 0 0}
.pcard .pimg img{width:100%;height:100%;object-fit:contain;display:block}
.pcard .pimg.empty{display:grid;place-items:center;color:var(--muted);font-weight:700;background:var(--surface-2)}
.pcover{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;justify-content:center;max-height:420px}
.pcover img{max-width:100%;max-height:420px;object-fit:contain;display:block}
.colours{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.colours a{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px;text-align:center;font-size:13px}
.colours img{width:100%;aspect-ratio:1;object-fit:contain;background:#fff;border-radius:8px}
ol.howto{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:2px}
.views{background:var(--surface-2);border-radius:10px;padding:8px 10px;display:flex;flex-direction:column;gap:8px}
.vsess ul{margin:4px 0 0;padding-left:18px;font-size:13px}
.vsess+.vsess{border-top:1px dashed var(--line);padding-top:8px}