/* ============================================================
   MomentGem 定制工坊 create.css · 从领导 create.html 内联样式抽取
   独立整页(精简外壳)，不与 site.css 混用
   ============================================================ */
:root{
  --ink:#2c2a27;--ink-soft:#6a655e;--bg:#faf7f2;--bg-2:#f1ebe2;--line:#e6ddd1;
  --gold:#a9854f;--gold-dark:#8a6c3c;--rose:#c98f7a;--blue:#a9c9da;--lilac:#c8b6df;
  --olive:#8fa05f;--amber:#dca15c;--white:#fff;
  --serif:'Cormorant Garamond',Georgia,'Songti SC','STSong',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;
  --maxw:1240px;--shadow:0 18px 50px -24px rgba(60,48,30,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.18;letter-spacing:.2px}
.eyebrow{font-size:12px;letter-spacing:3px;color:var(--gold);font-weight:600}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--sans);font-size:14px;font-weight:600;
     letter-spacing:.4px;padding:15px 30px;border-radius:40px;cursor:pointer;border:1px solid transparent;transition:.25s ease;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff;box-shadow:0 10px 24px -10px rgba(138,108,60,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(138,108,60,.8)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;filter:grayscale(.3)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-sm{padding:11px 20px;font-size:13px}

.announce{background:var(--ink);color:#f3ead9;font-size:12.5px;letter-spacing:1px;text-align:center;padding:9px 16px;font-weight:300}
.announce b{color:#e9c994;font-weight:600}

header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{font-family:var(--serif);font-size:27px;font-weight:600;letter-spacing:.5px}
.brand span{color:var(--gold)}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:14px;font-weight:500;letter-spacing:.3px}
.nav-links a:hover{color:var(--gold-dark)}
.back{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-soft);font-weight:500}
.back:hover{color:var(--gold-dark)}
.back svg{width:16px;height:16px;stroke:currentColor}

/* studio header strip */
.studio-head{background:var(--bg-2);border-bottom:1px solid var(--line);padding:34px 0 30px}
.studio-head h1{font-size:clamp(28px,4vw,44px);margin:10px 0 0}
.studio-head h1 em{font-style:normal;color:var(--gold-dark)}
.studio-head p{color:var(--ink-soft);font-weight:300;font-size:15.5px;margin-top:12px;max-width:600px}

/* steps */
.steps{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.step{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:500;color:var(--ink-soft);
      background:#fff;border:1px solid var(--line);padding:9px 16px 9px 11px;border-radius:40px;transition:.3s}
.step .n{width:22px;height:22px;border-radius:50%;background:var(--bg-2);color:var(--ink-soft);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0;transition:.3s}
.step.active{border-color:var(--gold);color:var(--ink)}
.step.active .n{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff}
.step.done .n{background:var(--olive);color:#fff}

/* layout */
.studio{padding:40px 0 90px}
.studio-grid{display:grid;grid-template-columns:380px 1fr;gap:38px;align-items:start}

/* control panel */
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;box-shadow:var(--shadow)}
.panel + .panel{margin-top:22px}
.panel h3{font-family:var(--sans);font-size:13px;letter-spacing:1px;color:var(--gold);font-weight:600;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.panel h3 .pn{width:20px;height:20px;border-radius:50%;background:var(--bg-2);color:var(--gold-dark);display:flex;align-items:center;justify-content:center;font-size:11px}

/* upload dropzone */
.drop{border:2px dashed var(--line);border-radius:14px;background:var(--bg);padding:30px 18px;text-align:center;cursor:pointer;transition:.25s;position:relative}
.drop:hover,.drop.over{border-color:var(--gold);background:#fdf9f3}
.drop svg{width:34px;height:34px;stroke:var(--gold);margin:0 auto 12px;stroke-width:1.4}
.drop b{display:block;font-size:14.5px;font-weight:600}
.drop small{display:block;color:var(--ink-soft);font-size:12.5px;margin-top:4px;font-weight:300}
.drop.has{padding:0;border-style:solid;border-color:var(--line);overflow:hidden}
.drop .thumb{display:flex;align-items:center;gap:14px;padding:14px;text-align:left}
.drop .thumb img{width:58px;height:58px;border-radius:10px;object-fit:cover;flex-shrink:0}
.drop .thumb .meta{flex:1;min-width:0}
.drop .thumb .meta b{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.drop .thumb .meta small{color:var(--olive);font-weight:500}
.drop .thumb .x{font-size:12px;color:var(--ink-soft);font-weight:600;text-decoration:underline;cursor:pointer}

/* style chips */
.style-grid{display:grid;grid-template-columns:1fr;gap:12px}
.style{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:13px;overflow:hidden;cursor:pointer;background:#fff;transition:.22s;position:relative}
.style:hover{transform:translateY(-2px);box-shadow:0 10px 24px -16px rgba(60,48,30,.5)}
.style .sw{width:112px;flex-shrink:0;overflow:hidden;background:var(--bg-2)}
.style .sw img{width:100%;height:100%;object-fit:cover;transition:.3s}
.style .lb{padding:12px 15px;display:flex;flex-direction:column;justify-content:center}
.style .lb b{font-size:15px;display:block;line-height:1.3}
.style .lb small{font-size:12px;color:var(--ink-soft);font-weight:300;margin-top:4px;line-height:1.4}
.style.sel{border-color:var(--gold);box-shadow:0 0 0 2px rgba(169,133,79,.25)}
.style.sel::after{content:"✓";position:absolute;top:8px;right:8px;width:20px;height:20px;border-radius:50%;background:var(--gold-dark);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(0,0,0,.3)}

/* option pills */
.pills{display:flex;flex-wrap:wrap;gap:9px}
.pill{border:1px solid var(--line);background:#fff;border-radius:40px;padding:9px 16px;font-size:13px;font-weight:500;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:8px}
.pill:hover{border-color:var(--gold)}
.pill.sel{background:var(--ink);color:#fff;border-color:var(--ink)}
.pill .dot{width:13px;height:13px;border-radius:50%;border:1px solid rgba(0,0,0,.12)}

.field-lbl{font-size:12.5px;font-weight:600;color:var(--ink-soft);margin:18px 0 9px;letter-spacing:.3px}
.field-lbl:first-child{margin-top:0}

/* generate area */
.gen-row{margin-top:6px}
.gen-row .btn{width:100%}
.hint{font-size:12px;color:var(--ink-soft);font-weight:300;text-align:center;margin-top:12px;display:flex;align-items:center;justify-content:center;gap:7px}
.hint svg{width:14px;height:14px;stroke:var(--olive)}

/* ===== preview stage ===== */
.stage-wrap{position:sticky;top:96px}
.stage{background:radial-gradient(120% 100% at 50% 0%,#fefcf8,#efe7da);border:1px solid var(--line);border-radius:22px;
       box-shadow:var(--shadow);padding:46px 40px;min-height:560px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}
.stage::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 30%,rgba(255,255,255,.6),transparent 70%);pointer-events:none}

.stage-empty{text-align:center;color:var(--ink-soft);position:relative}
.stage-empty .ring{width:120px;height:120px;border-radius:50%;border:2px dashed var(--line);display:flex;align-items:center;justify-content:center;margin:0 auto 22px}
.stage-empty .ring svg{width:46px;height:46px;stroke:var(--gold);stroke-width:1.3}
.stage-empty h3{font-size:22px;color:var(--ink)}
.stage-empty p{font-size:14px;font-weight:300;margin-top:8px;max-width:300px}

/* the tile / gem */
.tile-stage{display:none;flex-direction:column;align-items:center;position:relative;z-index:1}
.tile-stage.show{display:flex}
.tile{
  --r:18%;
  position:relative;width:320px;height:320px;border-radius:var(--r);
  background:#ccc;overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(60,48,30,.55), 0 0 0 9px #f4f1ea, 0 0 0 11px #d9cdb8,
             inset 0 0 0 3px rgba(255,255,255,.35);
  transition:transform .5s ease;
}
.tile img.photo{width:100%;height:100%;object-fit:cover;transition:filter .6s ease, transform .6s ease}
/* enamel gloss + rim */
.tile .glaze{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(80% 55% at 28% 18%,rgba(255,255,255,.55),rgba(255,255,255,0) 55%),
    linear-gradient(160deg,rgba(255,255,255,.18),transparent 40%),
    radial-gradient(120% 90% at 75% 95%,rgba(40,30,15,.28),transparent 55%);
  mix-blend-mode:screen;opacity:.9}
.tile .rim{position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.45),inset 0 0 22px rgba(120,90,40,.35);opacity:0;transition:.4s}
.tile.wire .rim{opacity:1;box-shadow:inset 0 0 0 3px rgba(201,165,95,.8),inset 0 0 0 5px rgba(255,255,255,.25),inset 0 0 26px rgba(140,100,40,.4)}
/* connector teeth (decorative) */
.tooth{position:absolute;width:24px;height:24px;background:#e7ddca;border-radius:50%;box-shadow:inset 0 1px 3px rgba(0,0,0,.2)}
.tooth.r{right:-12px;top:50%;transform:translateY(-50%)}
.tooth.b{bottom:-12px;left:50%;transform:translateX(-50%)}

.tile-caption{margin-top:34px;text-align:center}
.tile-caption .nm{font-family:var(--serif);font-size:26px}
.tile-caption .meta{font-size:13px;color:var(--ink-soft);margin-top:3px}

/* processing overlay */
.processing{position:absolute;inset:0;background:rgba(250,247,242,.82);backdrop-filter:blur(3px);z-index:5;
            display:none;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.processing.show{display:flex}
.spinner{width:64px;height:64px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--gold);animation:spin 1s linear infinite;margin-bottom:20px}
@keyframes spin{to{transform:rotate(360deg)}}
.processing b{font-family:var(--serif);font-size:22px;color:var(--ink)}
.processing .status{font-size:13.5px;color:var(--ink-soft);margin-top:6px;font-weight:300;height:20px}
.bar{width:200px;height:5px;border-radius:5px;background:var(--bg-2);margin-top:18px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-dark));transition:width .3s}

/* result actions */
.variants{display:none;gap:12px;margin-top:30px;justify-content:center}
.variants.show{display:flex}
.variant{width:64px;height:64px;border-radius:10px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:.2s;position:relative}
.variant img{width:100%;height:100%;object-fit:cover}
.variant:hover{transform:translateY(-2px)}
.variant.sel{border-color:var(--gold)}
.variant span{position:absolute;inset:auto 0 0 0;background:linear-gradient(transparent,rgba(0,0,0,.6));color:#fff;font-size:10px;text-align:center;padding:9px 2px 3px;font-weight:500}

.result-card{display:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;box-shadow:var(--shadow);margin-top:24px}
.result-card.show{display:block}
.result-card .nameit{display:block;width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-family:var(--serif);font-size:20px;color:var(--ink);margin-bottom:18px;background:var(--bg)}
.result-card .nameit:focus{outline:none;border-color:var(--gold)}
.price-row{display:flex;align-items:baseline;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px}
.price-row .p{font-family:var(--serif);font-size:34px;color:var(--ink)}
.price-row .p small{font-size:14px;color:var(--ink-soft);font-family:var(--sans)}
.price-row .tag{font-size:11px;font-weight:600;letter-spacing:.5px;background:#f1f5e9;color:#5e6e3b;padding:6px 12px;border-radius:40px}
.spec{list-style:none;font-size:13.5px;margin-bottom:20px}
.spec li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid #f3ede3;color:var(--ink-soft)}
.spec li span{color:var(--ink);font-weight:500}
.result-card .btn{width:100%}
.result-card .row2{display:flex;gap:10px;margin-top:10px}
.result-card .row2 .btn{flex:1}
.reassure{font-size:12px;color:var(--ink-soft);font-weight:300;text-align:center;margin-top:14px;line-height:1.6}

/* trust footer strip */
.trust{background:var(--ink);color:#ece2d2}
.trust .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:20px 28px}
.trust div{display:flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.3px;font-weight:300}
.trust b{color:#e9c994}
.trust svg{width:18px;height:18px;stroke:#c9a45f;flex-shrink:0;stroke-width:1.6;fill:none}

footer{background:#211f1c;color:#857c6f;padding:30px 0;font-size:12.5px;font-weight:300}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer .brand{color:#fff;font-size:20px}

.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;
       padding:15px 26px;border-radius:40px;font-size:14px;font-weight:500;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.35s;z-index:99;display:flex;align-items:center;gap:10px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast svg{width:18px;height:18px;stroke:#9ed29a;stroke-width:2;fill:none}

@media(max-width:980px){
  .studio-grid{grid-template-columns:1fr}
  .stage-wrap{position:static}
  .nav-links{display:none}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  .stage{padding:34px 18px}
  .tile{width:240px;height:240px}
}

/* ===== 点击放大查看(lightbox) ===== */
.tile{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:120;background:rgba(28,24,20,.88);backdrop-filter:blur(6px);
          display:none;align-items:center;justify-content:center;padding:5vh 5vw;cursor:zoom-out}
.lightbox.show{display:flex}
.lightbox img{max-width:90vw;max-height:90vh;border-radius:14px;box-shadow:0 30px 80px -20px rgba(0,0,0,.7);background:#fff}
.lb-close{position:fixed;top:22px;right:30px;font-size:40px;line-height:1;color:#fff;cursor:pointer;font-weight:300;opacity:.85;transition:.2s}
.lb-close:hover{opacity:1;transform:scale(1.1)}

/* ===== 登录引导弹窗 ===== */
.modal{position:fixed;inset:0;z-index:130;background:rgba(28,24,20,.55);backdrop-filter:blur(4px);
       display:none;align-items:center;justify-content:center;padding:24px}
.modal.show{display:flex}
.modal-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);
            width:100%;max-width:380px;padding:34px 30px 28px;text-align:center}
.modal-ico{width:56px;height:56px;border-radius:50%;background:var(--bg-2);display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.modal-ico svg{width:28px;height:28px;stroke:var(--gold-dark)}
.modal-card h3{font-size:23px;margin-bottom:10px}
.modal-card p{font-size:14px;color:var(--ink-soft);font-weight:300;line-height:1.7;margin-bottom:22px}