:root{
  --bg:#F4F6F8;--ink:#17222B;--sub:#5B6871;--mute:#7A858C;
  --pink:#C62B62;--pink2:#E8467F;--pinkbg:#FDEEF5;--line:#E6EAED;
  --card:#fff;--side-w:208px;--top-h:60px;
  --soft-shadow:0 1px 2px rgba(23,34,43,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Noto Sans CJK SC","Helvetica Neue",sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
  min-height:100vh;overflow-x:hidden;
}
a{color:inherit;text-decoration:none;cursor:pointer}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}

/* —— 顶栏：对齐品牌首页 60px / 字号 / 玫红按钮 —— */
.app-top{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(1.2) blur(8px);
  -webkit-backdrop-filter:saturate(1.2) blur(8px);
}
.top-inner{
  max-width:1280px;margin:0 auto;
  height:var(--top-h);padding:0 24px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;flex:none}
.brand img{width:26px;height:26px;border-radius:8px;display:block;object-fit:cover}
.proj-tabs{display:flex;align-items:center;gap:8px;margin-left:4px}
.ptab{
  height:36px;padding:0 16px;border-radius:99px;
  font-size:14px;font-weight:600;color:var(--sub);
  background:transparent;border:1px solid transparent;
  transition:background .15s,color .15s,box-shadow .15s;
}
.ptab:hover{background:#F8FAFB;color:var(--ink)}
.ptab.on{
  background:var(--pink);color:#fff;
  box-shadow:0 4px 12px rgba(198,43,98,.22);
}
.top-sp{flex:1}
.top-back{font-size:14px;color:var(--sub);font-weight:600}
.top-back:hover{color:var(--pink)}

.burger{
  display:none;width:40px;height:40px;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;flex:none;
}
.burger:hover{background:#F8FAFB}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}

/* —— 主体：侧栏与内容左右对齐、留白统一 —— */
.app-body{
  max-width:1280px;margin:0 auto;
  padding:20px 24px 48px;
  display:grid;
  grid-template-columns:var(--side-w) minmax(0,1fr);
  gap:20px;align-items:start;
}
.app-body.soon-mode{grid-template-columns:minmax(0,1fr)}
.app-body.soon-mode .side{display:none}

.side{
  background:var(--card);
  border-radius:16px;
  padding:14px 12px;
  position:sticky;top:calc(var(--top-h) + 16px);
  box-shadow:var(--soft-shadow);
}
.side-label{
  font-size:12px;font-weight:600;color:var(--mute);
  letter-spacing:.04em;padding:4px 12px 12px;
}
.side-nav{display:flex;flex-direction:column;gap:2px}
.sitem{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--sub);
  border:1px solid transparent;transition:background .15s,color .15s,border-color .15s;
  position:relative;
}
.sitem:hover{background:#F8FAFB;color:var(--ink)}
.sitem.on{
  background:var(--pinkbg);color:var(--pink);
  border-color:rgba(198,43,98,.16);
}
.sitem .si{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.sitem .si svg{width:20px;height:20px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sitem .st{flex:1;min-width:0}
.sitem .badge{
  font-style:normal;font-size:10px;font-weight:700;
  background:#EEF1F3;color:var(--mute);border-radius:99px;
  padding:2px 8px;line-height:16px;flex:none;
}
.sitem.on .badge{background:#fff;color:var(--pink)}

.main{min-width:0}
.embed-shell{
  scroll-margin-top:calc(var(--top-h) + 12px);
  min-width:0;
  /* 与侧栏顶对齐；内容本身是 youju 白卡风格 */
}
.embed-shell iframe{
  display:block;width:100%;border:0;background:transparent;
  height:720px;overflow:hidden;
}
.embed-shell[hidden],.soon-card[hidden]{display:none!important}
/* 酒水单整页：外页锁屏，内容在 iframe 里自己滚 */
body.embed-fixed{overflow:hidden}

/* 筹备中：实底白卡，去掉虚线廉价感，仍简单占位 */
.soon-card{
  background:var(--card);
  border-radius:16px;
  min-height:320px;
  display:flex;align-items:center;justify-content:center;
  padding:40px 28px;
  box-shadow:var(--soft-shadow);
}
.soon-inner{text-align:center;max-width:320px}
.soon-ic{
  width:48px;height:48px;border-radius:14px;margin:0 auto 16px;
  background:#EEF1F3;color:var(--mute);
  display:flex;align-items:center;justify-content:center;font-size:24px;
  font-weight:300;
}
.soon-card h1{font-size:22px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.soon-card p{color:var(--mute);font-size:15px;margin:8px 0 16px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;border-radius:99px;padding:2px 10px;
}
.tag.muted{background:#EEF1F3;color:var(--sub)}

/* —— 手机左侧抽屉：顶栏压在抽屉之上，不抢戏 —— */
.drawer-mask{
  position:fixed;left:0;right:0;bottom:0;top:var(--top-h);z-index:55;
  background:rgba(23,34,43,.28);
}
.drawer-mask[hidden]{display:none!important}
.drawer{
  position:fixed;top:var(--top-h);left:0;bottom:0;z-index:60;
  width:min(288px,82vw);background:#fff;
  box-shadow:6px 0 24px rgba(23,34,43,.10);
  transform:translateX(-102%);transition:transform .2s ease;
  display:flex;flex-direction:column;padding:8px 10px 16px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 8px 12px;border-bottom:1px solid var(--line);margin-bottom:6px;
}
.drawer-head b{font-size:14px;font-weight:700;color:var(--ink)}
.drawer-x{
  width:36px;height:36px;border-radius:10px;font-size:15px;color:var(--mute);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-x:hover{background:#F4F6F8;color:var(--ink)}
.drawer-nav{flex:1;overflow:auto;padding-bottom:20px}

body.drawer-open{overflow:hidden}
@media(max-width:768px){
  :root{--top-h:54px}
  .top-inner{padding:0 16px;gap:10px}
  .brand{font-size:15px;gap:8px}
  .top-back{display:none}
  .burger{display:inline-flex}
  .app-body{padding:12px 16px 36px;grid-template-columns:1fr;gap:0}
  .app-body .side{display:none!important}
  .proj-tabs{margin-left:0;gap:6px}
  .ptab{padding:0 12px;height:32px;font-size:13px}
  .embed-shell iframe{min-height:560px}
  .soon-card{min-height:280px;padding:32px 20px;border-radius:16px}
  .soon-card h1{font-size:20px}
  body.proj-soon .burger{visibility:hidden;pointer-events:none}
}
@media(min-width:769px){
  .drawer,.drawer-mask{display:none!important}
}

/* 极窄屏防崩 */
@media(max-width:360px){
  .top-inner{padding:0 12px;gap:8px}
  .ptab{padding:0 10px;font-size:12px}
  .app-body{padding:10px 12px 28px}
}