/* ============ 和纸手帖 — 日式文具便签拼贴风 ============ */
:root{
  --cream:#faf7ef;
  --ink:#4b443c;
  --soft:#8a8175;
  --sakura:#f0b7c6;
  --mizuiro:#a9c9dc;
  --kohaku:#e8c37e;
  --washi:#fffdf7;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  background:var(--cream);
  background-image:radial-gradient(rgba(74,68,60,.05) 1px,transparent 1px);
  background-size:22px 22px;
  color:var(--ink);
  font-family:"Yu Gothic","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  min-height:100vh;
  padding:44px clamp(16px,5vw,70px) 60px;
  position:relative;
}

/* ---------- 竖排日文装饰 ---------- */
.side-deco{
  position:fixed;
  right:14px;top:50%;
  transform:translateY(-50%);
  writing-mode:vertical-rl;
  letter-spacing:.5em;
  font-size:12px;
  color:rgba(74,68,60,.28);
  pointer-events:none;
}

/* ---------- 头部 ---------- */
.memo-head{
  display:flex;align-items:center;gap:26px;
  margin-bottom:44px;
  max-width:980px;margin-inline:auto;
}
.stamp-round{
  width:84px;height:84px;flex:none;
  border:2px solid #c96f7f;
  border-radius:50%;
  color:#c96f7f;
  display:grid;place-items:center;
  font-size:36px;
  transform:rotate(-8deg);
  box-shadow:inset 0 0 0 4px var(--cream),inset 0 0 0 5px rgba(201,111,127,.4);
}
.kicker{
  font-size:11px;letter-spacing:.45em;
  color:var(--soft);
}
.memo-head h1{
  font-size:clamp(32px,5vw,46px);
  font-weight:600;
  letter-spacing:.14em;
  margin:6px 0 8px;
}
.lead{
  font-size:14px;
  color:var(--soft);
  letter-spacing:.06em;
}

/* ---------- 便签墙 ---------- */
.notes-wall{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(230px,1fr));
  gap:34px 30px;
  max-width:980px;
  margin:0 auto;
}
.note{
  background:var(--washi);
  border:1px solid rgba(74,68,60,.12);
  border-radius:3px;
  padding:22px 18px 18px;
  min-height:172px;
  cursor:pointer;
  position:relative;
  box-shadow:0 6px 14px rgba(74,68,60,.09);
  transition:transform .25s,box-shadow .25s;
  display:flex;flex-direction:column;gap:10px;
}
.note:nth-child(4n+1){transform:rotate(-1.6deg)}
.note:nth-child(4n+2){transform:rotate(1.1deg)}
.note:nth-child(4n+3){transform:rotate(-.6deg)}
.note:nth-child(4n+4){transform:rotate(1.8deg)}
.note:hover{
  transform:rotate(0deg) translateY(-6px);
  box-shadow:0 16px 28px rgba(74,68,60,.14);
}
/* 胶带 */
.note::before{
  content:"";
  position:absolute;
  top:-11px;left:50%;
  width:86px;height:24px;
  transform:translateX(-50%) rotate(-3deg);
  opacity:.82;
}
.note.t-sakura::before{background:var(--sakura)}
.note.t-mizuiro::before{background:var(--mizuiro)}
.note.t-kohaku::before{background:var(--kohaku)}
.note.t-sumi::before{background:#cfc9bd}
.note-tiny{
  font-size:10px;letter-spacing:.35em;
  color:var(--soft);
}
.note-name{
  font-size:19px;
  font-weight:600;
  letter-spacing:.08em;
}
.note-desc{
  font-size:12.5px;
  line-height:1.7;
  color:#6d655a;
  flex:1;
}
.note-foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px dashed rgba(74,68,60,.25);
  padding-top:10px;
  font-size:11px;
  color:var(--soft);
  letter-spacing:.15em;
}
.note-foot .petal{color:#c96f7f}

/* ---------- 便签浮层 ---------- */
.memo-layer{
  position:fixed;inset:0;
  background:rgba(74,68,60,.28);
  backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;
  padding:18px;
  z-index:40;
}
.memo-layer[hidden]{display:none}
.memo-sheet{
  background:var(--washi);
  width:min(560px,100%);
  max-height:86vh;
  overflow-y:auto;
  border-radius:3px;
  padding:34px 30px 28px;
  position:relative;
  box-shadow:0 20px 50px rgba(74,68,60,.25);
  transform:rotate(-.5deg);
  animation:peel .28s ease-out;
}
@keyframes peel{from{transform:rotate(-.5deg) translateY(24px);opacity:0}}
.memo-sheet::before{
  content:"";
  position:absolute;
  top:-12px;left:50%;
  width:110px;height:26px;
  transform:translateX(-50%) rotate(-2deg);
  background:var(--mizuiro);
  opacity:.85;
}
.sheet-close{
  position:absolute;top:14px;right:16px;
  width:34px;height:34px;
  border:1px solid rgba(74,68,60,.25);
  border-radius:50%;
  background:transparent;
  color:var(--soft);
  font-size:14px;
  cursor:pointer;
}
.sheet-close:hover{color:#c96f7f;border-color:#c96f7f}
.sheet-title{
  font-size:23px;font-weight:600;
  letter-spacing:.1em;
  margin-bottom:22px;
  padding-bottom:12px;
  border-bottom:1px solid rgba(74,68,60,.14);
}

/* ---------- 表单控件 ---------- */
.f-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.f-field{flex:1;min-width:150px}
.f-field label{
  display:block;
  font-size:11px;letter-spacing:.2em;
  color:var(--soft);
  margin-bottom:6px;
}
.f-input,.f-select{
  width:100%;
  background:#fff;
  border:1px solid rgba(74,68,60,.22);
  border-radius:2px;
  padding:9px 12px;
  font-size:14px;
  color:var(--ink);
  outline:none;
  font-family:inherit;
}
.f-input:focus,.f-select:focus{border-color:#c96f7f;box-shadow:0 0 0 3px rgba(201,111,127,.12)}
.f-btn{
  background:#c96f7f;
  color:#fff;
  border:none;
  border-radius:2px;
  padding:10px 26px;
  font-size:13px;
  letter-spacing:.25em;
  cursor:pointer;
  font-family:inherit;
  transition:background .2s;
}
.f-btn:hover{background:#b85e6f}
.f-btn.plain{background:transparent;color:#c96f7f;border:1px solid #c96f7f}
.f-out{
  background:rgba(169,201,220,.14);
  border:1px dashed rgba(74,68,60,.25);
  border-radius:2px;
  padding:16px;
  font-size:14px;
  line-height:1.9;
  letter-spacing:.04em;
}
.f-out .em{font-size:24px;color:#c96f7f;font-weight:600}
.f-hint{font-size:11px;color:var(--soft);margin-top:8px;letter-spacing:.1em}

@media (max-width:640px){
  .side-deco{display:none}
  .stamp-round{width:64px;height:64px;font-size:28px}
  .notes-wall{gap:26px 20px}
  .note{min-height:140px}
}