/* PACKFORM — shared stylesheet */

:root{
  --paper:#f7f5f1;
  --surface:#ffffff;
  --ink:#14181a;
  --ink-2:#3d474c;
  --muted:#6f7a80;
  --line:#e2ded7;
  --line-2:#d3cec5;
  --accent:#1c4b3f;
  --accent-2:#2a6b58;
  --accent-soft:#e8f0ed;
  --warm:#b8632f;
  --radius:14px;
  --shadow:0 1px 2px rgba(20,24,26,.04), 0 12px 32px rgba(20,24,26,.06);
  --sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif:"Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Songti SC", serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);background:var(--paper);color:var(--ink);
  font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select{font:inherit;color:inherit;}

.wrap{max-width:1240px;margin:0 auto;padding:0 28px;}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,241,.86);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;}
.logo{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:.07em;font-size:12.5px;text-transform:uppercase;}
.logo-mark{width:26px;height:26px;flex:none;display:block;color:var(--accent);}
.nav-links{display:flex;gap:30px;font-size:13.5px;color:var(--ink-2);}
.nav-links a{position:relative;padding:4px 0;transition:color .18s;}
.nav-links a:hover{color:var(--accent);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-size:13.5px;font-weight:500;
  transition:transform .16s ease, background .18s, color .18s, border-color .18s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--accent);}
.btn-ghost{border:1px solid var(--line-2);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-sm{padding:8px 15px;font-size:12.5px;}

/* ---------- hero ---------- */
.hero{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:54px;align-items:center;padding-top:64px;padding-bottom:40px;
}
.hero-copy{min-width:0;}

/* ---- 首屏美国覆盖地图 ---- */
.hero-map{position:relative;min-width:0;}
.hero-map::before{
  content:"";position:absolute;inset:-10% -8% -6%;
  background:radial-gradient(58% 54% at 52% 46%, rgba(42,107,88,.075), transparent 72%);
  pointer-events:none;
}
.usmap{position:relative;width:91%;height:auto;display:block;overflow:visible;margin:0 auto;}
.us-states path{
  fill:#e9e3d6;stroke:var(--paper);stroke-width:1.6;stroke-linejoin:round;
  transition:fill .25s ease;
}
.us-states path:hover{fill:#dcd4c3;}
.pin-dot{
  fill:var(--accent);opacity:0;
  transform-box:fill-box;transform-origin:center;transform:scale(.2);
  animation:pinIn .55s cubic-bezier(.22,.9,.3,1.3) forwards;
  animation-delay:var(--d,0s);
}
.pin-ring{
  fill:none;stroke:var(--accent-2);stroke-width:1.3;opacity:0;
  transform-box:fill-box;transform-origin:center;
  animation:pinPulse 3.2s ease-out infinite;
  animation-delay:calc(var(--d,0s) + .55s);
}
@keyframes pinIn{to{opacity:1;transform:scale(1);}}
@keyframes pinPulse{
  0%{opacity:.42;transform:scale(.55);}
  62%{opacity:0;transform:scale(3.1);}
  100%{opacity:0;transform:scale(3.1);}
}
.map-foot{
  display:flex;justify-content:space-between;align-items:baseline;gap:14px;
  margin-top:8px;padding-top:13px;border-top:1px solid var(--line);
  font-size:11.5px;letter-spacing:.02em;color:var(--muted);
}
.map-foot b{font-family:var(--serif);font-size:19px;font-weight:400;color:var(--accent);margin-right:3px;}

/* 地图下方的一排白盒（六个盒型） */
.hero-boxes{
  position:relative;z-index:2;
  display:flex;align-items:flex-end;justify-content:center;
  gap:clamp(1px,.4vw,3px);
  margin:-14px -12px 0;
  pointer-events:none;
}
.hero-boxes::before{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  width:118%;height:170px;z-index:-1;
  background:radial-gradient(58% 100% at 50% 88%, rgba(255,255,255,.92), rgba(255,255,255,0) 72%);
}
.hero-boxes img{
  height:clamp(60px,6.4vw,86px);
  width:auto;display:block;
  filter:drop-shadow(0 6px 10px rgba(20,24,26,.18));
}
@media (prefers-reduced-motion:reduce){
  .pin-dot{animation:none;opacity:1;transform:none;}
  .pin-ring{animation:none;opacity:0;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:22px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);}
h1{
  font-family:var(--serif);font-weight:400;font-size:clamp(38px,5.2vw,62px);
  line-height:1.08;letter-spacing:-.015em;max-width:15ch;
}
h1 em{font-style:italic;color:var(--accent);}
.hero-sub{margin-top:22px;max-width:52ch;font-size:16.5px;color:var(--ink-2);line-height:1.7;}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;}
.trust{
  display:flex;gap:26px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  flex-wrap:wrap;font-size:12px;color:var(--muted);letter-spacing:.02em;
}
.trust span{display:flex;align-items:center;gap:7px;}
.dot{width:5px;height:5px;border-radius:50%;background:var(--accent-2);flex:none;}

/* ---------- configurator ---------- */
.cfg-section{padding:26px 0 76px;}
.cfg-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px;flex-wrap:wrap;}
.cfg-head h2{font-family:var(--serif);font-size:27px;font-weight:400;letter-spacing:-.01em;}
.cfg-head p{font-size:13.5px;color:var(--muted);margin-top:6px;}
.cfg-grid{
  display:grid;grid-template-columns:298px minmax(0,1fr) 274px;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;box-shadow:var(--shadow);
}
.panel{padding:22px;}
.panel-l{border-right:1px solid var(--line);}
.panel-r{border-left:1px solid var(--line);background:#fbfaf8;display:flex;flex-direction:column;}

.field{margin-bottom:19px;}
.field:last-child{margin-bottom:0;}
.label{
  display:flex;align-items:center;justify-content:space-between;
  font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  font-weight:600;margin-bottom:8px;
}
.dim-row{display:flex;align-items:center;gap:10px;margin-bottom:9px;}
.dim-row span{width:14px;font-size:12px;color:var(--muted);flex:none;}
.dim-row input[type="range"]{flex:1;min-width:0;-webkit-appearance:none;height:3px;border-radius:3px;background:var(--line-2);outline:none;}
.dim-row input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:var(--surface);
  border:1.5px solid var(--accent);cursor:grab;box-shadow:0 1px 4px rgba(0,0,0,.15);
}
.dim-row input[type="number"]{
  width:60px;flex:none;padding:5px 6px;text-align:right;font-size:12.5px;
  border:1px solid var(--line-2);border-radius:6px;background:var(--surface);
  -moz-appearance:textfield;
}
.dim-row input[type="number"]::-webkit-outer-spin-button,
.dim-row input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}
select{
  width:100%;padding:9px 11px;border:1px solid var(--line-2);border-radius:8px;
  background:var(--surface);font-size:13px;appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236f7a80'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;
}
.color-row{display:flex;align-items:center;gap:10px;}
input[type="color"]{
  width:34px;height:34px;padding:0;border:1px solid var(--line-2);border-radius:8px;
  background:none;cursor:pointer;flex:none;
}
input[type="color"]::-webkit-color-swatch-wrapper{padding:3px;}
input[type="color"]::-webkit-color-swatch{border:none;border-radius:5px;}
.swatches{display:flex;gap:6px;flex-wrap:wrap;}
.swatches button{
  width:22px;height:22px;border-radius:50%;border:1px solid rgba(0,0,0,.12);
  transition:transform .15s;
}
.swatches button:hover{transform:scale(1.12);}
.upload{
  display:flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px dashed var(--line-2);border-radius:10px;padding:14px;
  font-size:12.5px;color:var(--muted);cursor:pointer;transition:all .18s;
  text-align:center;line-height:1.4;
}
.upload:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);}
.upload.has-file{border-style:solid;border-color:var(--accent);color:var(--accent);background:var(--accent-soft);}
.upload input{display:none;}

/* stage */
.stage-wrap{display:flex;flex-direction:column;min-width:0;}
.stage{
  position:relative;min-height:520px;flex:1;
  background:
    radial-gradient(ellipse 62% 48% at 50% 88%, rgba(28,75,63,.09), transparent 72%),
    linear-gradient(170deg,#f0ece4 0%,#e4dfd4 100%);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.stage{cursor:grab;}
.stage:active{cursor:grabbing;}
#box-canvas{width:100%;height:100%;display:block;}

.stage-hint{
  position:absolute;left:18px;bottom:16px;font-size:11px;color:var(--muted);
  letter-spacing:.04em;pointer-events:none;
}
.stage-badge{
  position:absolute;right:16px;top:16px;font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);background:rgba(255,255,255,.8);
  border:1px solid var(--line);padding:5px 10px;border-radius:999px;font-weight:600;
}
.stage-poster{position:absolute;inset:0;z-index:2;background:linear-gradient(170deg,#fbfaf8 0%,#f2efe9 100%);transition:opacity .35s;}
.stage-btn{
  position:absolute;right:16px;top:52px;z-index:3;
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.94);border:1px solid var(--line-2);border-radius:999px;
  padding:7px 15px;font-size:11.5px;font-weight:500;color:var(--ink);letter-spacing:.02em;
  box-shadow:0 2px 10px rgba(20,24,26,.09);
  transition:background .18s,color .18s,border-color .18s,transform .18s;
}
.stage-btn::before{
  content:"";width:7px;height:7px;border-radius:1px;border:1.4px solid currentColor;
  border-top-color:transparent;transform:rotate(-45deg) translateY(-1px);
  transition:transform .25s;
}
.stage-btn.is-open::before{transform:rotate(135deg) translateY(1px);}
.stage-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px);}
.stage:not(.live) .stage-btn{display:none;}
.stage-poster img{width:100%;height:100%;object-fit:cover;display:block;}
.stage-poster.hide{opacity:0;pointer-events:none;}
.poster-cta{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  background:var(--ink);color:#fff;border-radius:999px;padding:11px 24px;
  font-size:13px;font-weight:500;box-shadow:0 8px 24px rgba(20,24,26,.22);
  transition:background .18s,transform .18s;white-space:nowrap;
}
.poster-cta:hover{background:var(--accent);transform:translateX(-50%) translateY(-1px);}
.stage:not(.live) .stage-hint{display:none;}
.stage-loading{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--muted);background:rgba(247,245,241,.9);
  transition:opacity .4s;
}

/* summary */
.spec{padding-bottom:15px;margin-bottom:15px;border-bottom:1px solid var(--line);}
.spec:last-of-type{border-bottom:none;margin-bottom:0;}
.spec-k{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:5px;}
.spec-v{font-size:15px;font-weight:500;color:var(--ink);}
.spec-v small{font-weight:400;color:var(--muted);font-size:12px;}
.price{font-family:var(--serif);font-size:25px;letter-spacing:-.01em;}
.dieline-mini{
  background:var(--surface);border:1px solid var(--line);border-radius:9px;
  padding:8px;margin-bottom:14px;height:126px;display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.dieline-mini svg{max-width:100%;max-height:100%;height:auto;}
.panel-r .btn{width:100%;margin-top:8px;}

/* ---------- generic sections ---------- */
section.band{padding:82px 0;border-top:1px solid var(--line);}
.sec-head{max-width:640px;margin-bottom:46px;}
.sec-head h2{font-family:var(--serif);font-size:clamp(28px,3.4vw,38px);font-weight:400;line-height:1.16;letter-spacing:-.01em;}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px;max-width:54ch;}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.card{background:var(--surface);padding:30px 26px;}
.card .num{font-family:var(--serif);font-size:13px;color:var(--accent);margin-bottom:14px;}
.card h3{font-size:15.5px;font-weight:600;margin-bottom:9px;}
.card p{font-size:13.5px;color:var(--ink-2);line-height:1.68;}

.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.ind{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;transition:border-color .2s, transform .2s;
}
.ind:hover{border-color:var(--accent);transform:translateY(-2px);}
.ind h3{font-size:14.5px;font-weight:600;margin-bottom:6px;}
.ind p{font-size:12.5px;color:var(--muted);line-height:1.6;}
.ind .tag{display:inline-block;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;font-weight:600;}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.checklist{list-style:none;display:grid;gap:13px;}
.checklist li{display:flex;gap:11px;font-size:14px;color:var(--ink-2);line-height:1.6;}
.checklist li::before{
  content:"";flex:none;width:16px;height:16px;margin-top:3px;border-radius:50%;
  background:var(--accent-soft);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8'%3E%3Cpath d='M1 4l2.5 2.5L9 1' stroke='%231c4b3f' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
}
.badge-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.badge{
  border:1px solid var(--line);border-radius:10px;padding:14px 16px;background:var(--surface);
}
.badge strong{display:block;font-size:12.5px;font-weight:600;margin-bottom:3px;}
.badge span{font-size:11.5px;color:var(--muted);line-height:1.5;}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.step{position:relative;padding-top:26px;border-top:1.5px solid var(--line-2);}
.step::before{content:"";position:absolute;top:-4.5px;left:0;width:8px;height:8px;border-radius:50%;background:var(--accent);}
.step .n{font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:600;margin-bottom:8px;}
.step h3{font-size:14.5px;font-weight:600;margin-bottom:7px;}
.step p{font-size:13px;color:var(--ink-2);line-height:1.62;}

/* quote form */
.quote-wrap{background:var(--ink);color:#f2efe9;border-radius:20px;padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:52px;}
.quote-wrap h2{font-family:var(--serif);font-size:34px;font-weight:400;line-height:1.18;letter-spacing:-.01em;}
.quote-wrap p{margin-top:16px;color:#a9b0ad;font-size:14.5px;line-height:1.7;max-width:40ch;}
.qform{display:grid;gap:12px;}
.qform input,.qform textarea,.qform select{
  width:100%;padding:12px 14px;border-radius:9px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#f2efe9;font-size:13.5px;
}
.qform input::placeholder,.qform textarea::placeholder{color:#8b9491;}
.qform textarea{min-height:104px;resize:vertical;font-family:var(--sans);line-height:1.6;}
.qform input:focus,.qform textarea:focus,.qform select:focus{outline:none;border-color:var(--accent-2);background:rgba(255,255,255,.1);}
.qform .btn-primary{background:#f2efe9;color:var(--ink);margin-top:4px;}
.qform .btn-primary:hover{background:var(--accent-2);color:#fff;}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

footer{padding:44px 0 56px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center;}

@media (max-width:1080px){
  .cfg-grid{grid-template-columns:minmax(0,1fr);}
  .panel-l{border-right:none;border-bottom:1px solid var(--line);}
  .panel-r{border-left:none;border-top:1px solid var(--line);}
  .stage{min-height:420px;}
  .cards,.ind-grid,.steps{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:34px;}
  .quote-wrap{grid-template-columns:1fr;padding:34px;gap:32px;}
  .hero{grid-template-columns:1fr;gap:28px;}
  .hero-map{max-width:520px;width:100%;margin:0 auto;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .hero-boxes{margin:-12px 0 0;gap:1px;width:100%;}
  .hero-boxes img{height:clamp(52px,9vw,74px);}
  .hero-boxes::before{width:100%;}
  .nav-links{display:none;}
  .hero{padding-top:44px;padding-bottom:22px;}
  .cards,.ind-grid,.steps{grid-template-columns:1fr;}
  .two{grid-template-columns:1fr;}
  .badge-grid{grid-template-columns:1fr;}
  section.band{padding:58px 0;}
  .trust{gap:14px;font-size:11.5px;}
}

/* ============ shared additions: nav, footer, inner pages ============ */

.nav-actions{display:flex;align-items:center;gap:10px;}
.wa-btn{
  display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:999px;
  background:#25D366;color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.01em;
  transition:background .18s, transform .18s;
}
.wa-btn:hover{background:#1eb85a;transform:translateY(-1px);}
.wa-btn svg{width:15px;height:15px;flex:none;}
.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line-2);border-radius:9px;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* floating whatsapp */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:90;
  display:inline-flex;align-items:center;gap:9px;
  background:#25D366;color:#fff;border-radius:999px;padding:12px 18px 12px 14px;
  font-size:13.5px;font-weight:600;
  box-shadow:0 8px 26px rgba(37,211,102,.42), 0 2px 8px rgba(0,0,0,.12);
  transition:transform .18s, box-shadow .18s;
}
.wa-float:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,211,102,.5);}
.wa-float svg{width:22px;height:22px;flex:none;}
.wa-float .wa-pulse{
  position:absolute;inset:0;border-radius:999px;border:2px solid rgba(37,211,102,.5);
  animation:waPulse 2.6s ease-out infinite;pointer-events:none;
}
@keyframes waPulse{
  0%{transform:scale(1);opacity:.7}
  70%{transform:scale(1.18);opacity:0}
  100%{opacity:0}
}

/* inner page hero */
.page-hero{padding:64px 0 44px;border-bottom:1px solid var(--line);}
.crumb{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-bottom:18px;}
.crumb a:hover{color:var(--accent);}
.page-hero h1{
  font-family:var(--serif);font-weight:400;font-size:clamp(32px,4.2vw,50px);
  line-height:1.1;letter-spacing:-.015em;max-width:20ch;
}
.page-hero p{margin-top:18px;max-width:58ch;font-size:16px;color:var(--ink-2);line-height:1.7;}

/* generic content blocks */
.prose{max-width:70ch;}
.prose h2{font-family:var(--serif);font-size:26px;font-weight:400;margin:2.2em 0 .6em;letter-spacing:-.01em;}
.prose h3{font-family:var(--sans);font-size:15px;font-weight:600;margin:1.8em 0 .5em;}
.prose p{font-size:14.5px;color:var(--ink-2);line-height:1.78;margin-bottom:1em;}
.prose ul,.prose ol{margin:0 0 1.2em 1.2em;font-size:14.5px;color:var(--ink-2);line-height:1.78;}
.prose li{margin-bottom:.45em;}
.prose strong{color:var(--ink);font-weight:600;}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.sticky-col{position:sticky;top:90px;}

table.spec{width:100%;border-collapse:collapse;font-size:13.5px;margin:14px 0 26px;}
table.spec th,table.spec td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top;}
table.spec th{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600;border-bottom:1px solid var(--line-2);}
table.spec td:first-child{font-weight:500;color:var(--ink);width:34%;}
table.spec tr:last-child td{border-bottom:none;}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:34px 0;}
.stat{background:var(--surface);padding:26px 22px;}
.stat .n{font-family:var(--serif);font-size:32px;line-height:1;letter-spacing:-.02em;color:var(--accent);}
.stat .l{font-size:12px;color:var(--muted);margin-top:9px;line-height:1.5;}

.boxstyle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.boxstyle{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--surface);}
.boxstyle h3{font-size:14.5px;font-weight:600;margin-bottom:6px;}
.boxstyle p{font-size:13px;color:var(--ink-2);line-height:1.6;margin-bottom:14px;}
.boxstyle svg{width:100%;height:auto;display:block;}

.photo-slot{
  border:1.5px dashed var(--line-2);border-radius:var(--radius);
  background:repeating-linear-gradient(45deg,#fbfaf8,#fbfaf8 10px,#f6f4ef 10px,#f6f4ef 20px);
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:var(--muted);font-size:12px;line-height:1.6;padding:20px;
}
.photo-slot.tall{aspect-ratio:4/3;}

.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 30px 18px 0;position:relative;
  font-size:14.5px;font-weight:500;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";position:absolute;right:4px;top:16px;font-size:18px;color:var(--muted);font-weight:400;
}
.faq details[open] summary::after{content:"–";}
.faq .ans{padding:0 40px 20px 0;font-size:14px;color:var(--ink-2);line-height:1.75;}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.contact-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--surface);
  transition:border-color .18s;
}
.contact-card:hover{border-color:var(--line-2);}
.contact-card .k{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:10px;}
.contact-card .v{font-size:16px;font-weight:500;}
.contact-card .v a:hover{color:var(--accent);}
.contact-card p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6;}
.contact-card.wa{background:#f2fbf6;border-color:#c9ecd8;}

footer.site-footer{border-top:1px solid var(--line);padding:56px 0 34px;font-size:13px;color:var(--muted);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px;margin-bottom:44px;}
.foot-grid h4{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);font-weight:600;margin-bottom:14px;}
.foot-grid a{display:block;margin-bottom:9px;color:var(--muted);font-size:13px;}
.foot-grid a.logo{display:flex;align-items:center;gap:9px;margin-bottom:16px;color:var(--ink);font-size:12.5px;letter-spacing:.07em;}
.foot-grid a.logo .logo-mark{color:var(--accent);}
.foot-grid a:hover{color:var(--accent);}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line);font-size:12px;}

@media (max-width:1080px){
  .two-col{grid-template-columns:1fr;gap:34px;}
  .sticky-col{position:static;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:820px){
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:66px;background:var(--paper);
    border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 0;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 28px;}
  .nav-toggle{display:flex;}
  .wa-btn span{display:none;}
  .wa-btn{padding:10px 12px;}
  .wa-float{padding:13px;border-radius:50%;}
  .wa-float span{display:none;}
  .contact-grid{grid-template-columns:1fr;}
  .boxstyle-grid{grid-template-columns:1fr;}
  .page-hero{padding:44px 0 32px;}
}

.nav-links a.on{color:var(--accent);}
.nav-links a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:var(--accent);}

/* ============ photography ============ */
.figure{margin:0;}
.figure img{width:100%;display:block;border-radius:var(--radius);border:1px solid var(--line);}
.figure figcaption{
  margin-top:10px;font-size:12px;line-height:1.6;color:var(--muted);
  letter-spacing:.01em;
}
.figure figcaption b{color:var(--ink);font-weight:600;}

.photo-band{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.photo-band.two{grid-template-columns:repeat(2,1fr);gap:28px;}
.photo-band .figure:nth-child(2){margin-top:26px;}
.photo-band .figure:nth-child(3){margin-top:52px;}
/* 编号/工序类网格用 flat，保持水平对齐 */
.photo-band.flat .figure{margin-top:0;}

.photo-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch;}
.photo-hero .figure img{height:100%;object-fit:cover;}
.photo-hero .side{display:grid;gap:28px;align-content:start;}

.full-bleed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.full-bleed img{width:100%;display:block;}

.caption-strip{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  margin-top:12px;
}

@media (max-width:1080px){
  .photo-band{grid-template-columns:1fr 1fr;}
  .photo-band .figure:nth-child(3){margin-top:0;}
  .photo-hero{grid-template-columns:1fr;}
}
@media (max-width:820px){
  .photo-band,.photo-band.two{grid-template-columns:1fr;}
  .photo-band .figure:nth-child(2){margin-top:0;}
}

/* ============ two product lines ============ */
.line-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch;}
.line-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--surface);display:flex;flex-direction:column;
  transition:border-color .2s, transform .2s, box-shadow .2s;
}
.line-card:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--shadow);}

.line-media{
  position:relative;aspect-ratio:16/10;margin:0;overflow:hidden;
  background:#f3f1ec;border-bottom:1px solid var(--line);
}
.line-media img{width:100%;height:100%;object-fit:cover;display:block;}
.line-drop{
  position:absolute;inset:0;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:7px;padding:22px;text-align:center;
  background:repeating-linear-gradient(45deg,#faf8f4,#faf8f4 12px,#f3efe7 12px,#f3efe7 24px);
  color:var(--muted);
}
.line-media.is-empty .line-drop{display:flex;}
.line-drop strong{font-size:12.5px;color:var(--ink-2);font-weight:500;letter-spacing:.01em;}
.line-drop code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;
  background:#fff;padding:3px 8px;border-radius:5px;border:1px solid var(--line);color:var(--ink-2);
}
.line-drop em{font-style:normal;font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;}

.line-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.line-tag{
  align-self:flex-start;display:inline-flex;align-items:center;gap:6px;
  font-size:10px;letter-spacing:.15em;text-transform:uppercase;font-weight:600;
  padding:4px 10px;border-radius:999px;border:1px solid var(--line-2);color:var(--ink-2);
  margin-bottom:14px;
}
.line-tag::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.6;}
.line-body h3{
  font-family:var(--serif);font-size:23px;font-weight:400;line-height:1.22;
  letter-spacing:-.012em;margin-bottom:10px;
}
.line-body > p{font-size:13.5px;line-height:1.72;color:var(--ink-2);margin-bottom:20px;}

.line-specs{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:0 0 20px;
  background:var(--line);border:1px solid var(--line);border-radius:9px;overflow:hidden;
}
.line-specs > div{background:var(--surface);padding:11px 12px;}
.line-specs dt{font-size:9.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:5px;}
.line-specs dd{margin:0;font-size:12.5px;font-weight:500;color:var(--ink);white-space:nowrap;}

.line-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:var(--accent);
}
.line-link::after{content:"\2192";transition:transform .18s;}
.line-link:hover::after{transform:translateX(3px);}

/* premium variant — dark, to signal the price jump */
.line-card.premium{background:var(--accent);border-color:var(--accent);}
.line-card.premium:hover{border-color:var(--accent-2);box-shadow:0 12px 32px rgba(28,75,63,.24);}
.line-card.premium .line-media{background:#16382f;border-bottom-color:rgba(255,255,255,.13);}
.line-card.premium .line-tag{color:#d6c6a8;border-color:rgba(214,198,168,.42);}
.line-card.premium .line-body h3{color:#f4f1ea;}
.line-card.premium .line-body > p{color:rgba(244,241,234,.72);}
.line-card.premium .line-specs{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.13);}
.line-card.premium .line-specs > div{background:var(--accent);}
.line-card.premium .line-specs dt{color:rgba(244,241,234,.52);}
.line-card.premium .line-specs dd{color:#f4f1ea;}
.line-card.premium .line-link{color:#d6c6a8;}
.line-card.premium .line-drop{
  background:repeating-linear-gradient(45deg,#1a4438,#1a4438 12px,#16382f 12px,#16382f 24px);
  color:rgba(244,241,234,.62);
}
.line-card.premium .line-drop strong{color:rgba(244,241,234,.88);}
.line-card.premium .line-drop code{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:rgba(244,241,234,.85);}

.line-note{
  margin-top:22px;font-size:12.5px;line-height:1.7;color:var(--muted);
  display:flex;gap:9px;align-items:flex-start;
}
.line-note::before{content:"";flex:none;width:3px;border-radius:2px;background:var(--line-2);align-self:stretch;}

@media (max-width:900px){
  .line-grid{grid-template-columns:1fr;gap:20px;}
  .line-body{padding:20px 22px 22px;}
  .line-body h3{font-size:21px;}
}

/* ============ rigid band (premium line on inner pages) ============ */
.rigid-band{background:var(--accent);}
.rigid-band h2{color:#f4f1ea;}
.rigid-band .prose p,.rigid-band p{color:rgba(244,241,234,.74);}
.rigid-band .line-media{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  background:#16382f;aspect-ratio:16/10;
}
.rigid-band .line-drop{
  background:repeating-linear-gradient(45deg,#1a4438,#1a4438 12px,#16382f 12px,#16382f 24px);
  color:rgba(244,241,234,.62);border-radius:var(--radius);
}
.rigid-band .line-drop strong{color:rgba(244,241,234,.88);}
.rigid-band .line-drop code{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:rgba(244,241,234,.85);}
.rigid-band .line-tag{color:#d6c6a8;border-color:rgba(214,198,168,.42);}
.rigid-band .line-specs{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.13);margin-top:22px;}
.rigid-band .line-specs > div{background:var(--accent);}
.rigid-band .line-specs dt{color:rgba(244,241,234,.52);}
.rigid-band .line-specs dd{color:#f4f1ea;}
.rigid-band .btn-primary{background:#f4f1ea;color:var(--accent);}
.rigid-band .btn-primary:hover{background:#d6c6a8;color:#12365f;}
.rigid-band .btn-ghost{border-color:rgba(244,241,234,.35);color:#f4f1ea;}
.rigid-band .btn-ghost:hover{background:rgba(244,241,234,.1);border-color:rgba(244,241,234,.55);}

/* ============ box type grid (6 constructions) ============ */
.bx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.bx-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--surface);display:flex;flex-direction:column;
  transition:border-color .2s, transform .2s, box-shadow .2s;
}
.bx-card:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--shadow);}
.bx-media{position:relative;aspect-ratio:1/1;background:#f6f4ef;border-bottom:1px solid var(--line);}
.bx-media img{width:100%;height:100%;object-fit:contain;display:block;padding:6px;}
.bx-line{
  position:absolute;top:12px;left:12px;font-size:9px;letter-spacing:.14em;
  text-transform:uppercase;font-weight:600;padding:3px 8px;border-radius:999px;
  background:rgba(255,255,255,.92);border:1px solid var(--line);color:var(--ink-2);
}
.bx-card.premium .bx-line{background:var(--accent);color:#f4f1ea;border-color:var(--accent);}
.bx-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.bx-body h3{
  font-family:var(--serif);font-size:18.5px;font-weight:400;line-height:1.24;
  letter-spacing:-.01em;margin-bottom:7px;
}
.bx-body p{font-size:12.5px;line-height:1.68;color:var(--ink-2);margin-bottom:15px;}
.bx-meta{
  margin-top:auto;display:flex;flex-wrap:wrap;gap:6px 16px;
  font-size:11px;color:var(--muted);letter-spacing:.02em;
}
.bx-meta b{color:var(--ink);font-weight:500;}

.bx-group-label{
  display:flex;align-items:center;gap:12px;margin:38px 0 18px;
  font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);font-weight:600;
}
.bx-group-label::after{content:"";flex:1;height:1px;background:var(--line);}
.bx-group-label:first-of-type{margin-top:0;}

@media (max-width:1080px){ .bx-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:700px){
  .bx-grid{grid-template-columns:1fr;gap:16px;}
  .bx-media{aspect-ratio:4/3;}
}

/* ============ inserts grid (8 trays) ============ */
.bx-grid.four{grid-template-columns:repeat(4,1fr);gap:18px;}
.bx-card.ins .bx-media{background:#fff;aspect-ratio:1/1;}
.bx-card.ins .bx-media img{object-fit:cover;padding:0;}
.bx-card.ins .bx-body{padding:15px 16px 17px;}
.bx-card.ins .bx-body h3{font-size:15.5px;margin-bottom:6px;}
.bx-card.ins .bx-body p{font-size:11.5px;line-height:1.62;margin-bottom:12px;}
.bx-card.ins .bx-meta{font-size:10.5px;gap:5px 12px;}
@media (max-width:1180px){ .bx-grid.four{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){
  .bx-grid.four{gap:12px;}
  .bx-card.ins .bx-body{padding:11px 12px 13px;}
  .bx-card.ins .bx-body h3{font-size:13.5px;}
  .bx-card.ins .bx-body p{font-size:10.5px;line-height:1.55;margin-bottom:10px;}
  .bx-card.ins .bx-meta{font-size:9.5px;gap:4px 8px;}
}

/* 首页内托小条 */
.ins-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.ins-strip a{display:block;text-decoration:none;color:inherit;}
.ins-strip img{
  width:100%;aspect-ratio:1/1;object-fit:cover;display:block;
  border-radius:var(--radius);border:1px solid var(--line);background:#fff;
  transition:border-color .2s, transform .2s;
}
.ins-strip a:hover img{border-color:var(--line-2);transform:translateY(-2px);}
.ins-strip span{display:block;margin-top:9px;font-size:11.5px;line-height:1.5;color:var(--ink-2);}
@media (max-width:700px){ .ins-strip{grid-template-columns:repeat(2,1fr);} }

/* ============ box style tabs (configurator) ============ */
.style-tabs{
  display:flex;gap:8px;margin:0 0 20px;min-width:0;max-width:100%;
  overflow-x:auto;padding-bottom:3px;scrollbar-width:thin;
}
.style-tabs::-webkit-scrollbar{height:4px;}
.style-tabs::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:2px;}
.style-tab{
  flex:1 1 0;min-width:124px;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);
  padding:10px 12px;text-align:left;cursor:pointer;
  transition:border-color .16s, background .16s, transform .16s;
}
.style-tab:hover{border-color:var(--line-2);}
.style-tab[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft);}
.style-tab .st-name{display:block;font-size:12.5px;font-weight:500;color:var(--ink);line-height:1.3;white-space:nowrap;}
.style-tab .st-line{
  display:block;font-size:9px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);margin-top:3px;
}
.style-tab[aria-pressed="true"] .st-name{color:var(--accent);}
.style-tab[aria-pressed="true"] .st-line{color:var(--accent-2);}

/* 防止亚像素级横向溢出（不影响 sticky） */
main{overflow-x:clip;}

/* ============ 实物图库（可翻页） ============ */
.gallery-band{padding-bottom:64px;}
.gallery-head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;max-width:none;}
.gallery-head > div:first-child{flex:1;min-width:0;}
.gal-nav{display:flex;align-items:center;gap:9px;flex:none;padding-bottom:4px;}
.gal-count{font-size:12px;letter-spacing:.08em;color:var(--muted);margin-right:6px;font-variant-numeric:tabular-nums;}
.gal-count b{color:var(--ink);font-weight:600;}
.gal-btn{
  width:38px;height:38px;border:1px solid var(--line-2);border-radius:50%;
  display:grid;place-items:center;font-size:20px;line-height:0;color:var(--ink);
  transition:background .18s, color .18s, border-color .18s, opacity .18s;
}
.gal-btn:hover:not(:disabled){background:var(--ink);color:var(--paper);border-color:var(--ink);}
.gal-btn:disabled{opacity:.3;cursor:default;}

.gal-track{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:18px;margin-top:26px;
}
.gal-card[hidden]{display:none;}
.gal-card{
  position:relative;aspect-ratio:1/1;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;padding:0;cursor:zoom-in;
  transition:border-color .2s, transform .2s, box-shadow .2s;
}
.gal-card:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--shadow);}
.gal-card img{width:100%;height:100%;object-fit:cover;display:block;}

/* 灯箱 */
.gal-lightbox{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(14,17,19,.95);padding:5vh 6vw;
}
.gal-lightbox.open{display:flex;}
.gal-lightbox img{max-width:100%;max-height:90vh;border-radius:10px;background:#fff;box-shadow:0 24px 70px rgba(0,0,0,.5);}
.gal-lb-close{
  position:absolute;top:18px;right:22px;width:42px;height:42px;border-radius:50%;
  color:#fff;font-size:26px;line-height:1;background:rgba(255,255,255,.12);
}
.gal-lb-close:hover{background:rgba(255,255,255,.22);}
.gal-lb-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:48px;height:48px;border-radius:50%;color:#fff;font-size:28px;line-height:1;
  background:rgba(255,255,255,.12);
}
.gal-lb-nav:hover{background:rgba(255,255,255,.22);}
.gal-lb-nav.prev{left:18px;}
.gal-lb-nav.next{right:18px;}

@media (max-width:1080px){
  .gal-track{grid-template-columns:repeat(4,1fr);gap:14px;}
}
@media (max-width:640px){
  .gallery-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .gal-track{grid-template-columns:repeat(2,1fr);gap:12px;}
  .gal-lb-nav.prev{left:6px;}
  .gal-lb-nav.next{right:6px;}
}

/* ============ 纸样库 ============ */
.paper-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px 16px;
}
.paper{margin:0;}
.paper img{
  width:100%;aspect-ratio:1/1;object-fit:cover;display:block;
  border-radius:10px;border:1px solid var(--line);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.paper:hover img{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2);}
.paper figcaption{margin-top:9px;display:flex;flex-direction:column;gap:2px;}
.paper b{font-size:13px;font-weight:600;color:var(--ink);letter-spacing:.01em;}
.paper span{font-size:11px;color:var(--muted);letter-spacing:.02em;}

@media (max-width:1080px){
  .paper-grid{grid-template-columns:repeat(4,1fr);gap:14px 12px;}
}
@media (max-width:640px){
  .paper-grid{grid-template-columns:repeat(3,1fr);gap:10px;}
  .paper b{font-size:11px;}
  .paper span{font-size:9.5px;}
}

/* 3D 免责提示条 */
.stage-note{
  display:flex;gap:10px;align-items:flex-start;
  padding:13px 20px 15px;border-top:1px solid var(--line);
  background:#f3f1ea;
}
.sn-ico{
  flex:none;width:17px;height:17px;border-radius:50%;margin-top:1px;
  border:1px solid var(--accent);color:var(--accent);
  font-family:var(--serif);font-size:11px;line-height:15px;text-align:center;font-style:italic;
}
.stage-note p{font-size:11.5px;line-height:1.62;color:var(--muted);letter-spacing:.01em;}
.stage-note b{color:var(--ink-2);font-weight:600;}
.stage-note a{color:var(--accent);border-bottom:1px solid rgba(28,75,63,.3);padding-bottom:1px;white-space:nowrap;}
.stage-note a:hover{border-bottom-color:var(--accent);}
@media (max-width:640px){
  .stage-note{padding:11px 16px 13px;}
  .stage-note p{font-size:11px;}
}