:root{
  --green-dark:#243c32; --green:#2d4a3e; --green-light:#3a5c4d;
  --gold:#e8c97a; --gold-deep:#b8860b; --cream:#f0e6d2; --paper:#faf6ec;
  --ink:#2b2b26; --muted:#7a7a6c;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,"SimSun",serif;
  background:var(--paper); color:var(--ink); min-height:100vh; position:relative;
}
.bg-texture{
  position:fixed; inset:0; z-index:0; opacity:.35; pointer-events:none;
  background:url("assets/rice-paper-2.png") center/600px repeat;
}
main,header,nav,footer{position:relative;z-index:1}

/* ===== 顶栏 ===== */
.topbar{display:flex;align-items:center;gap:14px;padding:18px 28px;background:linear-gradient(135deg,var(--green-dark),var(--green-light));box-shadow:0 2px 12px rgba(36,60,50,.35)}
.topbar .logo{width:52px;height:52px;border-radius:10px;box-shadow:0 0 0 2px var(--gold)}
.brand h1{font-size:22px;color:var(--gold);letter-spacing:2px}
.brand p{font-size:12px;color:#cfe0d5;letter-spacing:1px;margin-top:2px}
.model-box{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:#cfe0d5}
.model-box select{background:var(--green-dark);color:var(--gold);border:1px solid var(--gold);border-radius:6px;padding:4px 8px;font-size:12px}

/* ===== Tabs ===== */
.tabs{display:flex;gap:6px;padding:14px 28px 0;flex-wrap:wrap}
.tab{border:1px solid var(--green);background:transparent;color:var(--green);padding:9px 18px;border-radius:10px 10px 0 0;cursor:pointer;font-size:14px;font-family:inherit;letter-spacing:1px}
.tab.active{background:var(--green);color:var(--gold);font-weight:700}

/* ===== 布局 ===== */
main{max-width:1180px;margin:0 auto;padding:20px 28px 60px}
.panel{display:none}
.panel.active{display:block;animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.card{background:#fffdf7;border:1px solid #e3d9c2;border-radius:14px;padding:22px 24px;margin-bottom:20px;box-shadow:0 3px 14px rgba(60,50,20,.07)}
.card h2{font-size:17px;color:var(--green-dark);margin-bottom:12px;letter-spacing:1px}
.card h3{font-size:15px;color:var(--green-dark);margin-bottom:10px}
.hint{font-size:12px;color:var(--muted);margin-bottom:10px;line-height:1.6}
.count{font-size:12px;color:var(--gold-deep)}

/* ===== 表单 ===== */
textarea,input[type=text],select{
  width:100%;border:1px solid #d8cdae;border-radius:8px;padding:10px 12px;font-size:14px;
  font-family:inherit;background:#fff;resize:vertical;color:var(--ink)
}
textarea:focus,input:focus{outline:2px solid var(--gold);border-color:var(--gold-deep)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{border:1px solid var(--green);background:#fff;color:var(--green);border-radius:999px;padding:5px 14px;cursor:pointer;font-size:13px;font-family:inherit}
.chip.active{background:var(--green);color:var(--gold);font-weight:700}
.opts{display:flex;gap:14px;margin:14px 0;flex-wrap:wrap}
.opt{flex:1;min-width:180px}
.opt label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
.btn-primary{
  width:100%;padding:13px;border:none;border-radius:10px;cursor:pointer;font-size:16px;font-family:inherit;
  background:linear-gradient(135deg,var(--green-dark),var(--green-light));color:var(--gold);letter-spacing:4px;font-weight:700;
  box-shadow:0 4px 14px rgba(36,60,50,.3);transition:transform .15s
}
.btn-primary:hover{transform:translateY(-1px)}
.btn-primary:disabled{opacity:.5;cursor:wait}
.btn-gold{background:var(--gold);color:var(--green-dark);border:none;border-radius:8px;padding:8px 14px;cursor:pointer;font-family:inherit;font-size:13px;font-weight:700}
.btn-ghost{background:transparent;color:var(--green);border:1px solid var(--green);border-radius:8px;padding:8px 14px;cursor:pointer;font-family:inherit;font-size:13px}
.status{margin-top:12px;font-size:13px;color:var(--gold-deep);min-height:20px;line-height:1.6}

/* ===== 结果区 ===== */
.result-wrap{margin-top:8px}
.result-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;flex-wrap:wrap;gap:10px}
.result-bar>span{font-size:16px;font-weight:700;color:var(--green-dark);letter-spacing:2px}
.result-bar>div{display:flex;gap:8px;flex-wrap:wrap}
.result-grid{display:grid;grid-template-columns:minmax(340px,460px) 1fr;gap:20px}
@media(max-width:900px){.result-grid{grid-template-columns:1fr}}
.phone{background:#fff;border:1px solid #e3d9c2;border-radius:16px;overflow:hidden;box-shadow:0 3px 14px rgba(60,50,20,.07)}
.phone-head{background:var(--green-dark);color:var(--gold);padding:10px 16px;font-size:13px;letter-spacing:2px}
.side-col .card{margin-bottom:16px}
.title-list{list-style:none}
.title-list li{padding:9px 10px;border-bottom:1px dashed #e3d9c2;font-size:13px;line-height:1.6;cursor:pointer;border-radius:6px}
.title-list li:hover{background:var(--cream)}
.title-list li::before{content:"◆ ";color:var(--gold-deep);font-size:10px}
.imgprompt{background:#fff;border:1px dashed #d8cdae;border-radius:10px;padding:12px;margin-bottom:12px}
.imgprompt b{display:block;font-size:12px;color:var(--gold-deep);margin-bottom:6px}
.imgprompt p{font-size:12.5px;line-height:1.7;color:#55524a}
.imgprompt button{margin-top:8px}
.prompt-edit{font-size:12.5px !important;padding:8px 10px !important;background:#fffdf9 !important;line-height:1.7;color:#55524a}
.img-preview img{width:100%;border-radius:10px;margin-top:12px;display:block;box-shadow:0 2px 10px rgba(60,50,20,.15)}
.img-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* ===== 选题库 ===== */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.topic-card{border:1px solid #e3d9c2;border-radius:12px;padding:14px 16px;background:#fffdf7;display:flex;flex-direction:column;gap:8px}
.topic-card .tag{align-self:flex-start;font-size:11px;background:var(--green);color:var(--gold);border-radius:4px;padding:2px 8px;letter-spacing:1px}
.topic-card h4{font-size:14.5px;color:var(--green-dark);line-height:1.55}
.topic-card .meta{font-size:12px;color:var(--muted);line-height:1.7}
.topic-card .meta b{color:var(--gold-deep);font-weight:600}
.topic-card button{align-self:flex-end}

/* ===== 矩阵&日历 ===== */
.matrix-table{width:100%;border-collapse:collapse;font-size:13.5px}
.matrix-table th{background:var(--green-dark);color:var(--gold);padding:9px;text-align:left;letter-spacing:1px}
.matrix-table td{border-bottom:1px solid #eee6d2;padding:9px;line-height:1.6;vertical-align:top}
.rule-list{list-style:none;font-size:13.5px;line-height:2}
.rule-list code{background:var(--cream);border-radius:4px;padding:1px 6px;font-size:12px}
.cal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.cal-cell{border:1px solid #e3d9c2;border-radius:10px;padding:10px 12px;background:#fffdf7;cursor:pointer;transition:box-shadow .15s}
.cal-cell:hover{box-shadow:0 2px 10px rgba(60,50,20,.15)}
.cal-cell .d{font-size:11px;color:var(--muted)}
.cal-cell .cat{display:inline-block;font-size:11px;background:var(--green);color:var(--gold);border-radius:4px;padding:1px 7px;margin:4px 0}
.cal-cell .t{font-size:12.5px;line-height:1.5;color:var(--ink)}
.cal-cell.today{border-color:var(--gold-deep);border-width:2px}

/* ===== 公众号文章预览（inline style 由 JS 注入） ===== */
#articlePreview,#podPreview{padding:24px 20px 40px;font-size:15px;line-height:1.85;letter-spacing:.5px}

footer{text-align:center;padding:26px;font-size:12px;color:var(--muted);letter-spacing:1px}