/* Maison Crème — 3D 网站概念作品（EMI Design Co.）共用样式 */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{--display:'Cormorant Garamond',Georgia,serif;--bg:#F7EDE6;--ink:#3A1E19;--ink-2:#6E4A42;--rose:#E2788C;--berry:#B23A55;--gold:#B98A3E;--paper:#FFF8F2;--strip:30px;--tint:#F4C6CF}
html{background:var(--bg)}
body{font-family:'DM Sans',sans-serif;color:var(--ink);background:var(--bg);min-height:100vh}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.bg{position:fixed;inset:0;z-index:0;background:radial-gradient(55% 50% at 70% 55%,var(--tint),transparent 72%),radial-gradient(40% 40% at 8% 12%,rgba(226,120,140,.12),transparent 70%),var(--bg)}
/* 全屏噪点质感 */
.noise{position:fixed;inset:-50%;z-index:80;pointer-events:none;opacity:.08;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .5  0 0 0 0 .4  0 0 0 0 .35  0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");animation:grain 1s steps(4) infinite}
@keyframes grain{25%{transform:translate(-3%,2%)}50%{transform:translate(2%,-3%)}75%{transform:translate(-2%,-1%)}}

/* 最上面那条：讲清楚这是 EMI 的 3D 网站概念作品 */
.strip{position:fixed;top:0;left:0;right:0;z-index:60;height:var(--strip);display:flex;align-items:center;justify-content:center;gap:.6em;
  background:#1C1813;color:#F6EEDF;font-size:11.5px;letter-spacing:.08em;white-space:nowrap;overflow:hidden;padding:0 12px}
.strip b{font-weight:500;color:#F4C95D}
.strip a{text-decoration:underline;text-underline-offset:3px}
.strip .zh{opacity:.75}

nav{position:fixed;top:var(--strip);left:0;right:0;z-index:40;height:clamp(64px,9vh,84px);display:flex;align-items:center;justify-content:space-between;
  padding:0 clamp(18px,4.5vw,64px);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;transition:background .3s,box-shadow .3s}
nav.solid{background:rgba(247,237,230,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(58,30,25,.08)}
nav .logo{font-family:var(--display);font-style:italic;font-weight:600;font-size:clamp(25px,2.2vw,31px);letter-spacing:0;text-transform:none;line-height:1}
nav .logo b{font-weight:600;color:var(--berry)}
nav .links{display:flex;gap:40px}
nav .links a{position:relative;padding:4px 0;opacity:.8}
nav .links a:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--berry);transform:scaleX(0);transform-origin:left;transition:transform .35s}
nav .links a:hover,nav .links a.on{opacity:1;color:var(--berry)}
nav .links a.on:after,nav .links a:hover:after{transform:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:13px 24px;border-radius:40px;background:var(--ink);color:var(--paper);border:0;
  font:inherit;font-size:12.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;transition:transform .25s,background .25s,box-shadow .25s}
.btn:hover{background:var(--berry);transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(178,58,85,.6)}
.btn.ghost{background:transparent;border:1.5px solid rgba(58,30,25,.35);color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.rose{background:var(--berry)}
.btn.rose:hover{background:var(--ink)}
.badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--rose);color:#fff;font-size:11px;letter-spacing:0}

/* 提示小卡：概念网站的表单 / 下单按钮不会真的送出 */
.toast{position:fixed;z-index:96;left:50%;bottom:24px;transform:translate(-50%,160%);width:min(440px,calc(100% - 32px));background:var(--ink);color:var(--paper);border-radius:18px;
  padding:16px 18px;font-size:14px;line-height:1.5;box-shadow:0 20px 50px rgba(58,30,25,.35);transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.toast.on{transform:translate(-50%,0)}
.toast b{display:block;font-size:15px;margin-bottom:2px}
.toast a{color:#F7B9C6;font-weight:500;text-decoration:underline;text-underline-offset:3px}

/* 内页 */
.page{position:relative;z-index:1;padding:calc(var(--strip) + 120px) clamp(18px,4.5vw,64px) 80px;max-width:1280px;margin:0 auto}
.kicker{font-size:12px;font-weight:500;letter-spacing:.32em;text-transform:uppercase;color:var(--berry);margin-bottom:14px}
.title{font-family:var(--display);font-weight:500;font-size:clamp(52px,8.6vw,132px);line-height:.92;letter-spacing:-.02em}
.title em{font-style:italic;color:var(--berry)}
.lead{max-width:34em;margin-top:18px;font-size:clamp(15px,1.3vw,18px);line-height:1.7;color:var(--ink-2)}
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s,transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
footer{position:relative;z-index:1;border-top:1px solid rgba(58,30,25,.12);padding:28px clamp(18px,4.5vw,64px);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
footer a{text-decoration:underline;text-underline-offset:3px}

@media (max-width:760px){
  :root{--strip:28px}
  .strip{font-size:10.5px}
  .strip .zh{display:none}
  nav .links{display:none}
  nav .btn{padding:10px 14px;font-size:11px}
  .menu-btn{display:flex!important}
}
/* 手机版菜单 */
.menu-btn{display:none;width:42px;height:42px;border-radius:50%;border:1.5px solid rgba(58,30,25,.3);align-items:center;justify-content:center;cursor:pointer;background:none;color:var(--ink);font-size:18px;margin-right:10px}
.mnav{position:fixed;z-index:55;inset:0;background:rgba(247,237,230,.98);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;
  font-family:var(--display);font-style:italic;font-size:48px;opacity:0;pointer-events:none;transition:opacity .3s}
.mnav.on{opacity:1;pointer-events:auto}
.mnav a.on{color:var(--berry)}
.mnav .close{position:absolute;top:calc(var(--strip) + 18px);right:20px;font-family:'DM Sans';font-style:normal;font-size:28px;background:none;border:0;color:var(--ink);cursor:pointer}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.noise{animation:none}}

/* ---------- 360° 真 3D 模型 ---------- */
.v3d{display:none;align-items:center;gap:8px;padding:10px 16px;border-radius:30px;border:1px solid rgba(58,30,25,.3);background:rgba(255,248,242,.7);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  color:var(--ink);font:inherit;font-size:11.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;transition:background .25s,color .25s,transform .25s}
.v3d.on{display:inline-flex}
.v3d:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.v3d i{font-style:normal;font-size:16px;display:inline-block;animation:spin3d 3s linear infinite}
@keyframes spin3d{to{transform:rotateY(360deg)}}
.m3d{padding:8px 12px;border-radius:20px;border:1px solid rgba(58,30,25,.3);background:none;color:var(--ink);font:inherit;font-size:11px;font-weight:500;letter-spacing:.16em;cursor:pointer;transition:background .25s,color .25s}
.m3d:hover{background:var(--ink);color:var(--paper)}
.viewer{position:fixed;z-index:95;inset:0;background:radial-gradient(60% 55% at 50% 55%,#FFFFFF,transparent 70%),var(--bg);display:flex;flex-direction:column;opacity:0;pointer-events:none;transition:opacity .35s}
.viewer.on{opacity:1;pointer-events:auto}
.vstage{position:relative;flex:1;min-height:0}
.viewer model-viewer{position:absolute;inset:0;width:100%;height:100%;--poster-color:transparent;touch-action:none;outline:none}
.vhead{text-align:center;padding:calc(var(--strip) + 28px) 70px 0}
.vhead h2{font-family:var(--display);font-weight:500;font-style:italic;font-size:clamp(40px,6vw,76px);color:var(--berry);line-height:1}
.vfoot{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;padding:16px 16px calc(28px + env(safe-area-inset-bottom));font-size:12px;letter-spacing:.2em;text-transform:uppercase}
.vfoot span{color:var(--ink-2)}
.vx{position:absolute;z-index:2;top:calc(var(--strip) + 16px);right:18px;width:48px;height:48px;border-radius:50%;border:1.5px solid rgba(58,30,25,.3);background:none;color:var(--ink);font-size:20px;cursor:pointer}
.vload{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-2);pointer-events:none}
.viewer .vload.done{display:none}
.ar-btn{position:absolute;right:16px;bottom:16px;padding:10px 16px;border-radius:30px;border:0;background:var(--ink);color:var(--paper);font:inherit;font-size:12px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer}