/* ============================================================
   horizbox — configurator.css
   Instant Box Configurator（3D 实时预览 + 刀模下载 + 询价）
   ============================================================ */
:root{
  --cfg-accent:#FF5A2D;
  --cfg-accent-2:#2B6CFF;
  --cfg-ink:#1c2433;
  --cfg-muted:#6b7688;
  --cfg-line:#e7eaf0;
  --cfg-bg:#f5f7fb;
  --cfg-card:#ffffff;
  --cfg-good:#1f9d6b;
  --cfg-dark:#0e1424;
  --cfg-dark-2:#1c2740;
}
*{box-sizing:border-box}
body{background:var(--cfg-bg);color:var(--cfg-ink);font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;}

/* ---------- top bar ---------- */
.cfg-topbar{position:sticky;top:0;z-index:60;background:var(--cfg-dark);padding:14px 0;}
.cfg-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.cfg-brand{color:#fff;font-weight:800;font-size:20px;letter-spacing:-.02em;}
.cfg-brand em{color:var(--cfg-accent);font-style:normal;}
.cfg-top-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end;}
.cfg-home{color:#cdd6e6;text-decoration:none;font-size:14px;}
.cfg-home:hover{color:#fff;}
.cfg-lang{display:inline-flex;background:var(--cfg-dark-2);border-radius:999px;padding:3px;cursor:pointer;}
.cfg-lang span{padding:5px 12px;font-size:13px;color:#9fb0c9;border-radius:999px;user-select:none;}
.cfg-lang span.active{background:var(--cfg-accent);color:#fff;}

/* ---------- hero ---------- */
.cfg-hero{padding:40px 0 24px;text-align:center;}
.cfg-kicker{display:inline-block;font-size:12px;letter-spacing:.22em;color:var(--cfg-accent);font-weight:700;margin-bottom:10px;}
.cfg-hero h1{font-size:clamp(26px,4.2vw,40px);line-height:1.2;margin-bottom:12px;letter-spacing:-.02em;}
.cfg-hero p{max-width:760px;margin:0 auto;color:var(--cfg-muted);font-size:15px;}

/* ---------- layout ---------- */
.cfg-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:22px;align-items:start;padding-bottom:56px;}
@media(max-width:960px){.cfg-grid{grid-template-columns:1fr}}

.cfg-card{background:var(--cfg-card);border:1px solid var(--cfg-line);border-radius:16px;padding:18px 18px 20px;margin-bottom:18px;box-shadow:0 6px 22px rgba(15,27,45,.05);}
.cfg-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.cfg-card h3 .step{width:22px;height:22px;border-radius:50%;background:var(--cfg-accent);color:#fff;font-size:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;}

/* ---------- segmented选择 ---------- */
.cfg-seg{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
@media(max-width:520px){.cfg-seg{grid-template-columns:1fr}}
.cfg-seg-item{border:1.5px solid var(--cfg-line);border-radius:12px;padding:11px 12px;cursor:pointer;transition:.18s;background:#fff;display:flex;gap:10px;align-items:flex-start;}
.cfg-seg-item:hover{border-color:#c9d3e4}
.cfg-seg-item.on{border-color:var(--cfg-accent);background:#fff7f4;box-shadow:0 0 0 3px rgba(255,90,45,.09)}
.cfg-seg-item .sw{width:34px;height:34px;border-radius:8px;flex:none;border:1px solid rgba(0,0,0,.12)}
.cfg-seg-item .t1{font-weight:700;font-size:14px;line-height:1.3}
.cfg-seg-item .t2{font-size:12px;color:var(--cfg-muted);margin-top:2px}

/* ---------- fields ---------- */
.cfg-row3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cfg-row2{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(max-width:520px){.cfg-row3,.cfg-row2{grid-template-columns:1fr}}
.cfg-field{display:block;margin-bottom:12px}
.cfg-field > span{display:block;font-size:12.5px;color:var(--cfg-muted);margin-bottom:5px;font-weight:600}
.cfg-field input,.cfg-field select,.cfg-field textarea{
  width:100%;padding:10px 12px;border:1.5px solid var(--cfg-line);border-radius:10px;background:#fff;font-size:14px;outline:none;transition:.15s;
}
.cfg-field input:focus,.cfg-field select:focus,.cfg-field textarea:focus{border-color:var(--cfg-accent-2);box-shadow:0 0 0 3px rgba(43,108,255,.1)}
.cfg-unit-toggle{display:inline-flex;background:#eef2f8;border-radius:999px;padding:3px;margin-bottom:12px}
.cfg-unit-toggle span{padding:6px 14px;font-size:13px;border-radius:999px;cursor:pointer;color:var(--cfg-muted);user-select:none}
.cfg-unit-toggle span.active{background:var(--cfg-accent-2);color:#fff;font-weight:600}

/* ---------- chips ---------- */
.cfg-chips{display:flex;flex-wrap:wrap;gap:8px}
.cfg-chip{border:1.5px solid var(--cfg-line);background:#fff;border-radius:999px;padding:7px 14px;font-size:13px;cursor:pointer;transition:.15s;user-select:none;display:inline-flex;align-items:center;gap:6px}
.cfg-chip:hover{border-color:#c9d3e4}
.cfg-chip.on{border-color:var(--cfg-accent);background:var(--cfg-accent);color:#fff;font-weight:600}
.cfg-chip .disc{font-size:11px;opacity:.75}

/* ---------- 3D preview ---------- */
.cfg-stage{
  position:relative;height:290px;border-radius:14px;
  background:radial-gradient(120% 100% at 50% 0%,#ffffff 0%,#eef2f8 60%,#e3e9f2 100%);
  display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:12px;
  perspective:1000px;cursor:grab;touch-action:none;
}
.cfg-stage:active{cursor:grabbing}
.cfg-box{position:relative;transform-style:preserve-3d;transition:transform .18s linear}
.cfg-face{position:absolute;left:0;top:0;transform-origin:0 0;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08);display:flex;align-items:center;justify-content:center;overflow:hidden}
.cfg-face span{font-size:10px;color:rgba(0,0,0,.42);font-weight:700;letter-spacing:.06em}
.cfg-logo{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(0,0,0,.28);font-weight:800;font-size:13px;letter-spacing:-.02em}
.cfg-logo em{color:var(--cfg-accent);font-style:normal}
.cfg-stage-hint{position:absolute;left:12px;bottom:10px;font-size:11.5px;color:#8b98ad;background:rgba(255,255,255,.75);padding:3px 9px;border-radius:999px}
.cfg-dims{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:6px}
.cfg-dims div{background:#f2f5fa;border:1px solid var(--cfg-line);border-radius:8px;padding:5px 10px;font-size:12px;color:var(--cfg-muted)}
.cfg-dims b{color:var(--cfg-ink)}
.cfg-rotate{width:100%;margin:10px 0 4px}

/* ---------- summary ---------- */
.cfg-sum{list-style:none;font-size:13.5px}
.cfg-sum li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px dashed var(--cfg-line)}
.cfg-sum li:last-child{border-bottom:none}
.cfg-sum li span:first-child{color:var(--cfg-muted)}
.cfg-sum li span:last-child{font-weight:600;text-align:right}
.cfg-timeline{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;margin:14px 0 6px}
.cfg-tl-node{background:#f2f5fa;border:1px solid var(--cfg-line);border-radius:10px;padding:10px;text-align:center}
.cfg-tl-node b{display:block;font-size:15px}
.cfg-tl-node small{color:var(--cfg-muted);font-size:11.5px}
.cfg-tl-arrow{color:var(--cfg-accent);font-size:18px}

/* ---------- actions ---------- */
.cfg-actions{display:grid;gap:10px;margin-top:14px}
.cfg-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 16px;font-weight:700;font-size:14px;border:1.5px solid transparent;transition:.2s;text-decoration:none}
.cfg-btn-primary{background:var(--cfg-accent);color:#fff}
.cfg-btn-primary:hover{background:#f04a1c;transform:translateY(-1px)}
.cfg-btn-wa{background:#1FA46C;color:#fff}
.cfg-btn-wa:hover{background:#179059}
.cfg-btn-ghost{background:#fff;border-color:var(--cfg-line);color:var(--cfg-ink)}
.cfg-btn-ghost:hover{border-color:#c9d3e4}
.cfg-btn:disabled{opacity:.6;cursor:default;transform:none}
.cfg-note{font-size:11.5px;color:var(--cfg-muted);margin-top:10px;line-height:1.55}

/* ---------- lead form ---------- */
.cfg-lead{margin-top:14px;border-top:1px dashed var(--cfg-line);padding-top:14px}
.cfg-lead-title{font-size:14px;font-weight:700;margin-bottom:4px}
.cfg-lead-sub{font-size:12px;color:var(--cfg-muted);margin-bottom:12px}
.cfg-msg{margin-top:10px;font-size:13px;padding:9px 12px;border-radius:9px;display:none}
.cfg-msg.ok{display:block;background:#eafaf1;color:#177f57;border:1px solid #bfe9d2}
.cfg-msg.err{display:block;background:#fdecec;color:#b4322f;border:1px solid #f6c9c7}

/* ---------- footer ---------- */
.cfg-footer{background:var(--cfg-dark);color:#a9b7cd;padding:26px 0;font-size:13px}
.cfg-footer-inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
.cfg-footer a{color:#cfd9e8}
.cfg-footer .cfg-brand{font-size:17px}

/* ---------- dieline modal ---------- */
.cfg-modal{position:fixed;inset:0;background:rgba(10,16,28,.72);z-index:200;display:flex;align-items:center;justify-content:center;padding:18px}
.cfg-modal-inner{background:#fff;border-radius:16px;max-width:960px;width:100%;max-height:90vh;overflow:auto;padding:18px}
.cfg-modal-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.cfg-modal-head h4{font-size:16px}
.cfg-modal-body{background:#f6f8fb;border:1px solid var(--cfg-line);border-radius:12px;padding:8px;overflow:auto}
.cfg-modal-body svg{width:100%;height:auto;max-height:62vh}
.cfg-modal-foot{display:flex;gap:10px;justify-content:flex-end;margin-top:14px;flex-wrap:wrap}
[hidden]{display:none !important}