.hero-bg.slim:before,.hero-bg.slim:after{display:none}
.viewer-sec{background:var(--bg);padding:40px 0 0}
.crumbs{font-size:13px;color:var(--mute)}.crumbs b{color:var(--orange);font-weight:600}
.vh1{font-size:clamp(28px,3vw,36px);margin:8px 0 24px}
.stage{position:relative;height:640px;border-radius:28px;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,#fff 0%,#dbe5f1 100%);border:1px solid var(--line);user-select:none}
#c3d{width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#c3d.drag{cursor:grabbing}#c3d.over{cursor:move}
.hint{position:absolute;top:24px;left:50%;transform:translateX(-50%);background:#fff;border-radius:999px;padding:10px 18px;font-size:13px;font-weight:500;box-shadow:0 8px 24px rgba(0,27,61,.1);white-space:nowrap;pointer-events:none}
.vpick{position:absolute;left:24px;top:84px;width:230px;background:#fff;border-radius:20px;padding:16px;display:grid;gap:8px;box-shadow:0 8px 24px rgba(0,27,61,.12)}
.vpick h4{font-size:16px;font-weight:600;margin-bottom:2px}
.vpick button{display:flex;align-items:center;gap:14px;padding:10px 14px 10px 12px;border-radius:14px;background:var(--bg);border:1.5px solid transparent;cursor:pointer;font-weight:700;font-size:15px;text-align:left;transition:.15s}
.vpick button svg{width:56px;height:35px;flex:none}
.vpick button:hover{border-color:#cfdbe8}
.vpick button.on{background:var(--soft);border-color:var(--orange);color:var(--orange)}
.vctrl{position:absolute;right:24px;top:84px;background:#fff;border-radius:16px;padding:6px;display:grid;gap:2px;box-shadow:0 8px 24px rgba(0,27,61,.12)}
.vctrl button{width:40px;height:40px;border:0;background:none;border-radius:10px;cursor:pointer;font-size:18px;color:var(--navy)}.vctrl button:hover,.vctrl button.on{background:var(--bg)}
.vctrl button.on{color:var(--orange)}
.upbar{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;gap:16px;background:#fff;border-radius:999px;padding:6px 20px 6px 6px;box-shadow:0 8px 24px rgba(0,27,61,.12)}
.upbar .btn{padding:12px 22px}.upinfo{font-size:13px;color:var(--mute);white-space:nowrap}
.loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--mute);font-weight:500;pointer-events:none}
.calc{background:var(--bg);padding:40px 0 96px}
.calc-grid{display:grid;grid-template-columns:1fr 400px;gap:32px;align-items:start}
.steps{display:grid;gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px}
.sh{display:flex;gap:14px;align-items:center;margin-bottom:22px}
.num{width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--fh);font-weight:600;flex:none}
.sh h3{font-size:21px;font-weight:600}.sh p{font-size:13px;color:var(--mute);line-height:1.45}
.layers{display:grid;gap:10px;margin-bottom:12px}
.layer{display:flex;align-items:center;gap:12px;padding:10px;border-radius:14px;background:var(--bg);border:1.5px solid transparent;cursor:pointer}
.layer.on{background:var(--soft);border-color:var(--orange)}
.layer .th{width:48px;height:48px;border-radius:10px;background:#fff url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12"><rect width="6" height="6" fill="%23eef2f7"/><rect x="6" y="6" width="6" height="6" fill="%23eef2f7"/></svg>');border:1px solid var(--line);display:grid;place-items:center;overflow:hidden;flex:none}
.layer .th img{max-width:90%;max-height:90%}
.layer .tx{flex:1;min-width:0}.layer b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.layer small{font-size:12px;color:var(--mute)}
.layer .del{border:0;background:#fff;width:32px;height:32px;border-radius:50%;cursor:pointer;color:var(--mute)}.layer .del:hover{color:var(--orange)}
.drop{display:grid;gap:6px;text-align:center;padding:26px 20px;border:1.5px dashed #b9c4d4;border-radius:16px;background:#fafcfe;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--orange);background:var(--soft)}
.drop u{color:var(--orange)}.drop small{color:var(--mute);font-size:13px}
.dims{display:flex;gap:12px;align-items:flex-end}
.fld{flex:1;display:grid;gap:8px;font-weight:600;font-size:13px}
.inp{display:flex;align-items:center;border:1px solid #cdd6e3;border-radius:12px;height:54px;padding:0 16px}
.inp input{flex:1;border:0;outline:0;font-family:var(--fh);font-weight:600;font-size:20px;width:100%;background:none}
.inp i{font-style:normal;color:var(--mute);font-size:14px}
.inp:focus-within{border-color:var(--orange)}
.lock{height:54px;width:44px;border-radius:12px;border:1px solid #cdd6e3;background:#fff;cursor:pointer;opacity:.5}.lock.on{opacity:1;border-color:var(--orange);background:var(--soft)}
.rng{display:flex;align-items:center;gap:14px;margin-top:18px;font-size:13px;font-weight:600}
.rng input{flex:1;accent-color:var(--orange)}.rng b{width:44px;text-align:right}
.presets{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px;font-size:13px;color:var(--mute)}
.presets button{border:0;background:var(--bg);border-radius:999px;padding:7px 14px;font-weight:600;font-size:13px;color:var(--navy);cursor:pointer}.presets button:hover{background:#e6edf5}
.info{margin-top:16px;background:#eef6fd;border-radius:12px;padding:12px 16px;font-size:13px;font-weight:500;color:var(--navy)}
.opts3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.opts3 button,.optsv button{text-align:left;border:1px solid var(--line);background:#fff;border-radius:14px;padding:16px 18px;cursor:pointer;font-weight:700;font-size:15px;transition:.15s;position:relative}
.opts3 small,.optsv small{display:block;font-weight:400;font-size:13px;color:var(--mute);margin-top:4px}
.opts3 button.on,.optsv button.on{border:1.5px solid var(--orange);background:var(--soft)}
.opts3 button:after,.optsv button:after{content:"";position:absolute;right:16px;top:16px;width:18px;height:18px;border-radius:50%;border:1.5px solid #b9c4d4}
.opts3 button.on:after,.optsv button.on:after{border:6px solid var(--orange)}
.optsv{display:grid;gap:10px}.optsv button{padding-right:120px}
.optsv em{position:absolute;right:48px;top:50%;transform:translateY(-50%);font-style:normal;font-size:13px;color:var(--mute)}.optsv .on em{color:var(--orange)}
.optsv button:after{top:50%;transform:translateY(-50%)}
.seg{display:flex;gap:6px;padding:6px;border-radius:14px;background:var(--bg)}
.seg button{flex:1;border:0;background:none;border-radius:10px;padding:12px;font-weight:700;font-size:14px;cursor:pointer}
.seg small{display:block;font-weight:400;font-size:12px;color:var(--mute)}
.seg button.on{background:#fff;color:var(--orange);box-shadow:0 4px 12px rgba(0,27,61,.08)}
.qty{display:flex;gap:16px;align-items:center}
.stepper{display:flex;border:1px solid #cdd6e3;border-radius:12px;height:54px;overflow:hidden;flex:none}
.stepper button{width:50px;border:0;background:#fff;font-size:20px;cursor:pointer;color:var(--navy)}
.stepper input{width:64px;border:0;text-align:center;font-family:var(--fh);font-weight:600;font-size:18px;outline:0}
.tiers{flex:1;display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.tiers span{text-align:center;padding:8px 4px;border-radius:10px;background:var(--bg);font-size:13px;font-weight:700;border:1.5px solid transparent}
.tiers span small{display:block;font-weight:400;font-size:12px;color:var(--mute)}
.tiers span.on{background:var(--soft);border-color:var(--orange);color:var(--orange)}
.cbx{display:flex;gap:12px;align-items:center;margin-top:18px;font-weight:500;font-size:14px;cursor:pointer}.cbx input{width:20px;height:20px;accent-color:var(--orange)}.cbx b{margin-left:auto;color:var(--mute)}
.sum{position:sticky;top:20px;background:#fff;border-radius:22px;padding:28px;display:grid;gap:14px;box-shadow:0 8px 24px rgba(0,27,61,.08)}
.sum h3{font-size:22px;font-weight:600}
.rows{display:grid;gap:10px}
.row{display:flex;justify-content:space-between;gap:16px;font-size:14px}.row span{color:var(--mute)}.row b{font-weight:600;text-align:right}
.sum hr{border:0;border-top:1px solid var(--line)}
.tot{display:flex;justify-content:space-between;align-items:flex-end}
.tot b{font-size:14px;display:block}.tot small{font-size:12px;color:var(--mute)}
.tot strong{font-family:var(--fh);font-size:36px;color:var(--orange);line-height:1}
.ship{background:#eef6fd;border-radius:12px;padding:12px 14px;font-size:13px;color:var(--navy)}.ship b{display:block}
.tr{font-size:12px;color:var(--mute);text-align:center}
.spec{background:var(--bg);border-radius:20px;padding:26px 24px}
.spec img{width:84px;height:84px;object-fit:contain;margin-bottom:12px}
.spec h3{font-size:19px;font-weight:600;margin-bottom:8px}.spec p{font-size:14px;color:var(--mute)}
@media(max-width:1100px){.calc-grid{grid-template-columns:1fr}.sum{position:static}}
@media(max-width:800px){.stage{height:520px}.vpick{top:auto;bottom:84px;left:12px;right:12px;width:auto;grid-template-columns:repeat(5,1fr);padding:8px}.vpick h4{display:none}.vpick button{flex-direction:column;gap:2px;font-size:11px;padding:6px}.vpick button svg{width:40px;height:25px}.vctrl{top:70px;right:12px}.hint{font-size:11px;top:14px;white-space:normal;width:90%;text-align:center}.upinfo{display:none}.upbar{padding:6px}.opts3{grid-template-columns:1fr}.qty{flex-direction:column;align-items:stretch}.tiers{grid-template-columns:repeat(5,1fr)}}
.stage:fullscreen,.stage.fs{height:100vh;width:100vw;border-radius:0;border:0}
.stage:-webkit-full-screen{height:100vh;width:100vw;border-radius:0}
.vpick button img{width:60px;height:36px;object-fit:contain;flex:none}
@media(max-width:800px){.vpick button img{width:44px;height:26px}}