/* ============================================================
   佚名造物 · 给光  —  noone studio
   一张 3600×1200 的画板（IDML 排版的 1:1 还原），
   背景铺满、14 款产品绝对定位、整体左右滚动。
   ============================================================ */

:root{
  --ink:#1a1a1c;
  --ink-soft:#6b6b71;
  --ink-faint:#9a9aa0;
  --line:rgba(26,26,28,.08);
  --bg:#d8d8dc;                 /* 画板外的兜底底色 */
  --serif:"Songti SC","STSong","Noto Serif SC",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{height:100%;}
body{
  height:100vh; height:100dvh;
  overflow:hidden;
  background:var(--bg);
  font-family:var(--sans);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* ============ 舞台：一张画板 + 原生滚动 ============ */
.stage-viewport{
  position:absolute; inset:0;
  overflow:auto;
  cursor:grab;
  -webkit-user-select:none; user-select:none;
  scrollbar-width:none;
}
.stage-viewport::-webkit-scrollbar{display:none;}
.stage-viewport.dragging{cursor:grabbing;}
.stage-viewport.dragging *{pointer-events:none;}

/* sizer 负责撑出滚动范围：尺寸 = 画板 × 缩放比 */
.stage-sizer{position:relative;}

.stage{
  position:absolute; top:0; left:0;
  width:3600px; height:1200px;          /* 与 data.js 的 canvas 一致 */
  transform-origin:top left;
  transform:scale(var(--k,1));
  background:url('../img/bg.webp') 0 0 / 100% 100% no-repeat;
  /* 画板就是裁切边界：InDesign 导出时画板外的内容会被切掉（比如烛台的框
     底部超出画板 14px），这里保持一致，否则会撑出多余的滚动条。 */
  overflow:hidden;
}

/* ============ 产品 ============ */
/* 产品图是透明底、并且可能比 IDML 的框大（InDesign 允许图溢出、由框裁切），
   所以用负 margin 把图按原显示尺寸居中到框中心。
   不用 translate(-50%)：百分比按未缩放尺寸算，和 scale() 混用会偏。 */
.stage-item{position:absolute;cursor:pointer;}
.stage-item:hover{z-index:6;}

.stage-item .pi,
.stage-item .pv{
  position:absolute;
  left:50%; top:50%;
  display:block;
  max-width:none;
  transition:opacity .22s;
}
.stage-item .pv{opacity:0;}
.stage-item.playing .pv{opacity:1;}
.stage-item.playing .pi{opacity:0;}

/* 桌面烛台：没有视频素材，用亮度+辉光模拟「点亮」。
   静态图拍的就是亮灯状态，悬停时略提亮并加一层暖色辉光。 */
.stage-item[data-cat="desk"] .pi{
  transition:opacity .22s, filter .5s ease;
  filter:brightness(1);
}
.stage-item[data-cat="desk"]:hover .pi{
  filter:brightness(1.06) saturate(1.03)
         drop-shadow(0 0 16px rgba(255,176,84,.22));
}

/* ============ IDML 辅助虚线 ============ */
.stage-lines{
  position:absolute; left:0; top:0;
  pointer-events:none;
  transition:opacity .25s ease;
}
/* 播动画时收起来，不干扰产品 */
.stage.demo .stage-lines{opacity:0;}

/* ============ 产品标签（位置来自 IDML 的文字框） ============ */
.stage-label{
  position:absolute;
  text-align:left;
  white-space:nowrap;
  pointer-events:none;
}
.stage-label .nm{font-size:15px;line-height:1.05;letter-spacing:.02em;color:var(--ink);}
.stage-label .sb{font-size:12px;line-height:1;margin-top:3px;color:var(--ink-soft);}

/* ============ 底栏：浮层，不占高度，让背景上下铺满 ============ */
footer{
  position:fixed; left:0; right:0; bottom:0; z-index:30;
  padding:18px 48px;
  display:flex; justify-content:space-between; align-items:center;
  pointer-events:none;
}
footer > *{pointer-events:auto;}
footer, footer *{
  text-shadow:none !important;
  box-shadow:none !important;
}

.brand{display:flex;align-items:center;gap:14px;}
.brand-logo{width:40px;height:40px;display:block;}
.brand-en{font-size:13px;letter-spacing:.18em;color:var(--ink);}

/* ICP 备案号：法律要求必须在页脚可见，但视觉上要压到最低，
   只比背景深一点点，跟着页脚一起用正片叠底融入墙面 */
.icp{
  margin-left:10px; padding-left:14px;
  border-left:1px solid rgba(0,0,0,.14);
  font-size:10.5px; letter-spacing:.02em;
  color:#71717a;
  text-decoration:none; white-space:nowrap;
  mix-blend-mode:multiply;
  transition:color .2s;
}
.icp:hover{color:#3f3f46;}

/* 路易斯·康名言：正片叠底压进背景，颜色给足浓度 */
.foot-line{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  max-width:calc(100% - 420px);
  overflow:hidden; text-overflow:ellipsis;
  mix-blend-mode:multiply;
  font-family:var(--serif);
  font-size:11.5px; letter-spacing:.04em;
  color:#5a5854;
  white-space:nowrap;
  pointer-events:none;
  display:flex; align-items:baseline; gap:12px;
}
.foot-line .cite{
  font-size:9.5px; letter-spacing:.12em; opacity:.7;
  font-style:normal; text-transform:uppercase;
}

/* ---------- 三条杠菜单 ---------- */
.menu-btn{
  width:34px; height:34px; padding:0;
  border:none; background:none;
  display:flex; flex-direction:column; justify-content:center; gap:5px;
  cursor:pointer;
}
.menu-btn i{
  display:block; height:1px; width:22px;
  background:var(--ink); opacity:.8;
  transition:transform .28s ease, opacity .2s;
}
.menu-btn.open i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-btn.open i:nth-child(2){opacity:0;}
.menu-btn.open i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.menu-sheet{
  position:fixed; right:48px; bottom:68px; z-index:40;
  display:flex; flex-direction:column; align-items:flex-end; gap:2px;
  opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .26s ease, transform .26s ease, visibility 0s .26s;
}
.menu-sheet.open{
  opacity:1; visibility:visible; transform:translateY(0);
  transition-delay:0s;
}
.menu-item{
  border:none; background:none; cursor:pointer; padding:6px 4px;
  font-family:var(--sans); font-size:15px; letter-spacing:.18em;
  color:var(--ink); opacity:.75;
}
.menu-item:hover{opacity:1;}

/* ============ 更多：按系列分组的井字网格 ============ */
.more-overlay{
  position:fixed; inset:0; z-index:220;
  background:#f5f5f7;
  opacity:0; visibility:hidden;
  transition:opacity .32s ease, visibility 0s .32s;
  overflow-y:auto;
}
.more-overlay.open{opacity:1;visibility:visible;transition-delay:0s;}

.more-panel{
  max-width:1280px; margin:0 auto;
  padding:74px 48px 90px; position:relative;
}
.more-close{
  position:fixed; top:22px; right:48px;
  width:36px; height:36px; border:none; background:none;
  font-size:26px; line-height:1; color:#b0b0b6; cursor:pointer;
}
.more-close:hover{color:var(--ink);}

.more-series{margin-bottom:88px;}
.more-series:last-child{margin-bottom:0;}
.more-series h2{
  font-size:11px; font-weight:400; letter-spacing:.34em;
  color:#8b8983; margin:0 0 30px;
  display:flex; align-items:center; gap:16px;
}
.more-series h2::after{
  content:''; flex:1; height:1px; background:rgba(26,26,28,.08);
}
.more-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:36px 28px;
}
.more-card{
  cursor:pointer; background:none; border:none; padding:0;
  text-align:left; display:block;
}
/* 每张图一个干净的白卡：极淡描边 + 双层阴影，把产品从背景里托起来 */
.more-card .thumb{
  width:100%; aspect-ratio:1/1;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden; position:relative;
  background:#fbfbfa;
  border:1px solid rgba(26,26,28,.07);
  border-radius:2px;
  box-shadow:
    0 1px 2px rgba(26,26,28,.045),
    0 10px 26px -8px rgba(26,26,28,.10);
  padding:8%;
  transition:box-shadow .4s cubic-bezier(.22,1,.36,1),
             border-color .4s ease,
             transform .4s cubic-bezier(.22,1,.36,1);
}
.more-card .thumb img{
  width:100%; height:100%; object-fit:contain;
  transition:transform .55s cubic-bezier(.22,1,.36,1);
}
.more-card:hover .thumb{
  transform:translateY(-3px);
  border-color:rgba(26,26,28,.13);
  box-shadow:
    0 2px 4px rgba(26,26,28,.06),
    0 20px 40px -10px rgba(26,26,28,.16);
}
.more-card:hover .thumb img{transform:scale(1.04);}
.more-card .nm{
  margin-top:16px; font-size:13.5px; line-height:1.4;
  color:var(--ink); letter-spacing:.02em;
}
.more-card .sb{
  margin-top:5px; font-size:11px; line-height:1.45;
  color:#9b9992; letter-spacing:.01em;
}

/* ============ 详情页（从产品原位放大过来） ============ */
.detail{
  position:fixed; inset:0; z-index:100;
  /* 纯白：桌面产品视频的白底(254)和页面只差 1 阶，视频区看不出任何边界 */
  background:#fff;
  overflow-y:auto;
  opacity:0; visibility:hidden;
  transition:opacity .45s ease, visibility 0s .45s;
}
.detail.open{
  opacity:1; visibility:visible;
  transition:opacity .45s ease, visibility 0s 0s;
}
.detail-close{
  position:fixed; top:26px; right:34px; z-index:110;
  width:44px; height:44px; border-radius:50%;
  border:1px solid var(--line);
  background:rgba(245,245,247,.7);
  -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px);
  font-size:22px; line-height:1; color:var(--ink);
  cursor:pointer; transition:background .3s;
  display:flex; align-items:center; justify-content:center;
}
.detail-close:hover{background:var(--ink);color:#f5f5f7;}

.detail-inner{
  max-width:1080px; margin:0 auto; padding:110px 48px 90px;
  display:grid; grid-template-columns:1fr 1fr; gap:72px;
  align-items:start;
}
.detail-visual{
  width:100%; aspect-ratio:1/1;
  /* 纯白：桌面产品视频的白底是 254，和 255 只差 1 阶，肉眼看不出来，
     所以详情页不需要给视频做任何合成/抠图。 */
  background:#fff; overflow:hidden; position:relative;
  transform-origin:center center;
  display:flex; align-items:center; justify-content:center;
}
.detail-visual img,
.detail-visual video{
  max-width:100%; max-height:100%;
  width:auto; height:auto;
  display:block; object-fit:contain;
}
.detail-visual video{width:100%;height:100%;object-fit:cover;}
/* 桌面产品详情视频：1:1 源，铺满即可，不加任何混合模式 */
.detail-visual video.plain-video{object-fit:contain;background:#fff;}

.detail-play-btn{
  position:absolute; right:12px; bottom:12px; z-index:3;
  font-size:10px; letter-spacing:.1em; color:var(--ink-soft);
  background:rgba(255,255,255,.9); border:1px solid var(--line);
  padding:5px 10px; cursor:pointer; display:none;
}
.detail-visual:hover .detail-play-btn{display:block;}

.detail-kicker{font-size:12px;letter-spacing:.28em;color:var(--ink-faint);text-transform:uppercase;}
.detail-title{
  font-family:var(--serif); font-size:42px; font-weight:600;
  letter-spacing:.04em; margin-top:20px; line-height:1.15;
}
.detail-sub{margin-top:16px;font-size:14px;letter-spacing:.08em;color:var(--ink-soft);}
.detail-desc{
  margin-top:32px; font-size:15px; line-height:1.9; color:var(--ink-soft);
  border-top:1px solid var(--line); padding-top:32px;
}
.detail-meta{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px 28px;}
.detail-meta .item{font-size:12px;letter-spacing:.06em;color:var(--ink-faint);}
.detail-meta .item b{
  display:block; font-weight:500; color:var(--ink);
  font-size:13px; margin-bottom:4px;
}

/* ============ 合作面板 ============ */
.about-overlay{
  position:fixed; inset:0; z-index:210;
  background:rgba(20,20,22,.42);
  -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; padding:40px 20px;
  transition:opacity .35s ease, visibility 0s .35s;
}
.about-overlay.open{
  opacity:1; visibility:visible;
  transition:opacity .35s ease, visibility 0s 0s;
}
.about-panel{
  background:#f5f5f7;
  width:min(660px,100%); max-height:86vh; overflow-y:auto;
  padding:56px 58px 50px; position:relative;
  box-shadow:0 30px 80px rgba(0,0,0,.25);
  -webkit-overflow-scrolling:touch;
}
.about-close{
  position:absolute; top:12px; right:16px;
  width:34px; height:34px; border:none; background:transparent;
  font-size:26px; line-height:1; color:#b0b0b6; cursor:pointer;
}
.about-close:hover{color:var(--ink);}
.about-kicker{font-size:10.5px;letter-spacing:.26em;color:var(--ink-faint);margin-bottom:24px;}
.about-lead{
  font-family:var(--serif); font-size:21px; line-height:1.95;
  letter-spacing:.04em; color:var(--ink); margin-bottom:30px;
}
.about-body p{font-size:13.5px;line-height:2.05;color:var(--ink-soft);margin-bottom:14px;}
.about-sep{height:1px;background:var(--line);margin:34px 0;}
.about-h{font-size:10px;letter-spacing:.2em;color:var(--ink-faint);margin-bottom:6px;}

.series-row{
  display:grid; grid-template-columns:auto 1fr auto;
  gap:16px; align-items:baseline;
  padding:12px 0; border-bottom:1px solid var(--line);
}
.series-row:last-child{border-bottom:none;padding-bottom:2px;}
.series-row .sname{font-family:var(--serif);font-size:14.5px;letter-spacing:.03em;color:var(--ink);}
.series-row .smeta{font-size:11.5px;color:var(--ink-faint);letter-spacing:.04em;}
.series-row .sprice{font-size:12.5px;color:var(--ink-soft);white-space:nowrap;letter-spacing:.04em;}

.steps{list-style:none;counter-reset:s;}
.steps li{
  display:grid; grid-template-columns:24px 1fr auto;
  gap:14px; align-items:baseline;
  padding:10px 0; font-size:13px; color:var(--ink-soft);
  border-bottom:1px solid var(--line);
}
.steps li:last-child{border-bottom:none;}
.steps li::before{
  counter-increment:s;
  content:counter(s,decimal-leading-zero);
  font-family:var(--serif); font-size:11px; color:var(--ink-faint);
}
.steps li em{
  font-style:normal; font-size:11.5px; color:var(--ink-faint);
  white-space:nowrap; text-align:right;
}
.about-contact{font-size:12.5px;line-height:2.15;color:var(--ink-soft);}
.about-contact a{
  color:var(--ink-soft); text-decoration:none;
  border-bottom:1px solid var(--line);
}
.about-qr{
  display:block; width:132px; height:132px; object-fit:contain;
  margin:26px auto 0; background:#fff; padding:8px;
  border:1px solid var(--line);
}
.about-qr-tip{
  text-align:center; font-size:10.5px; color:var(--ink-faint);
  letter-spacing:.12em; margin-top:10px;
}

/* ============ 窄屏 ============ */
@media (max-width:900px){
  .more-grid{grid-template-columns:repeat(2,1fr);}
  .more-panel{padding:66px 24px 80px;}
  .more-close{right:20px;}
  .foot-line{font-size:10px;letter-spacing:0;gap:8px;}
  .foot-line .cite{font-size:9.5px;}
  footer{padding:14px 24px;}
}
@media (max-width:720px){
  .detail-inner{grid-template-columns:1fr;gap:40px;padding:90px 24px 70px;}
  .detail-title{font-size:32px;}
  .about-panel{padding:44px 26px 38px;max-height:90vh;}
  .about-lead{font-size:17.5px;line-height:1.95;}
  .series-row{grid-template-columns:1fr auto;gap:4px 12px;}
  .series-row .smeta{grid-column:1 / -1;font-size:11px;}
}
@media (max-width:620px){
  .foot-line{display:none;}
}