/* ====== 175 小学生必读书目 · 木质书架：原木暖色 + 书脊打卡 ====== */
.tsk.prl{
  --tsk-bg:#f7f1e5;
  --tsk-card:#fffdf8;
  --tsk-card-2:#f9f4e9;
  --tsk-ink:#3a2a1a;
  --tsk-sub:#7a6248;
  --tsk-faint:#a89478;
  --tsk-line:#e4d7bf;
  --tsk-line-2:#efe5d2;
  --tsk-brand:#a0622d;
  --tsk-brand-2:#c98d4b;
  --tsk-brand-soft:#f3e4d0;
  --tsk-brand-ink:#7d4a1e;
  --tsk-wood:#8a5a2b;
  --tsk-wood-2:#b07c46;
  --tsk-green:#5b8a3c;
  --tsk-green-soft:#eaf2df;
  --tsk-red:#c0392b;
  --tsk-red-soft:#f9e6e3;
  --tsk-blue:#3d6b9e;
  --tsk-blue-soft:#e4edf6;
  --tsk-purple:#7a5aa0;
  --tsk-gold:#b8860b;
  --tsk-gold-soft:#f7ecd2;
  --tsk-ok:#2f9e44;
  --tsk-ok-soft:#e6f6ec;
  --tsk-warn:#e8890c;
  --tsk-warn-soft:#fdf3e0;
  --tsk-bad:#d93a3a;
  --tsk-bad-soft:#fbe9e9;
  background:
    linear-gradient(180deg, rgba(160,98,45,.08), rgba(160,98,45,0) 300px),
    radial-gradient(680px 280px at 90% -8%, rgba(91,138,60,.07), transparent 60%),
    var(--tsk-bg);
}
:root[data-theme="dark"] .tsk.prl{
  --tsk-bg:#171208;
  --tsk-card:#241c10;
  --tsk-card-2:#2c2315;
  --tsk-ink:#f2e8d5;
  --tsk-sub:#c3ab87;
  --tsk-faint:#8f7a5c;
  --tsk-line:#453621;
  --tsk-line-2:#382c1b;
  --tsk-brand:#d99a4e;
  --tsk-brand-2:#e8b57a;
  --tsk-brand-soft:rgba(217,154,78,.14);
  --tsk-brand-ink:#eebd85;
  --tsk-wood:#b07c46;
  --tsk-wood-2:#d9a26b;
  --tsk-green:#8bc34a;
  --tsk-green-soft:rgba(139,195,74,.13);
  --tsk-red:#ff8a80;
  --tsk-red-soft:rgba(255,138,128,.13);
  --tsk-blue:#7fb3e0;
  --tsk-blue-soft:rgba(127,179,224,.13);
  --tsk-purple:#b794e0;
  --tsk-gold:#f0c04c;
  --tsk-gold-soft:rgba(240,192,76,.13);
  --tsk-ok:#51cf66;
  --tsk-ok-soft:rgba(81,207,102,.14);
  --tsk-warn:#ffd43b;
  --tsk-warn-soft:rgba(255,212,59,.13);
  --tsk-bad:#ff8787;
  --tsk-bad-soft:rgba(255,135,135,.14);
}
.prl-hero{display:grid;grid-template-columns:minmax(0,1fr) 394px;gap:30px;padding:30px 0 24px;align-items:stretch;}
.prl-hero-l{display:flex;flex-direction:column;}
.prl-hero-l>.tsk-hs{flex:1 1 auto;}
.prl-hero-l .tsk-h1 b{color:var(--tsk-brand-ink);}

/* 计划录入卡 */
.prl-card{align-self:start;background:linear-gradient(180deg,var(--tsk-brand-soft),var(--tsk-card) 44%);border:1px solid var(--tsk-line);border-radius:16px;box-shadow:var(--tsk-shadow);overflow:hidden;}
.prl-card-top{display:flex;justify-content:space-between;align-items:center;padding:15px 20px 12px;border-bottom:1px dashed var(--tsk-line);}
.prl-card-top span{font-size:12.5px;font-weight:800;color:var(--tsk-ink);letter-spacing:.04em;}
.prl-card-top i{font-style:normal;font:700 10px/1 var(--tsk-num);letter-spacing:.18em;color:var(--tsk-faint);}
.prl-card-body{padding:6px 20px 18px;}
.prl-card-body label{display:block;margin:11px 0 5px;font-size:11.5px;font-weight:800;color:var(--tsk-sub);}
.prl-card-body select{width:100%;height:36px;padding:0 10px;border:1px solid var(--tsk-line);border-radius:8px;background:var(--tsk-card);color:var(--tsk-ink);font:700 13px/36px var(--tsk-font);outline:none;transition:border-color .16s,box-shadow .16s;}
.prl-card-body select:focus{border-color:var(--tsk-brand);box-shadow:0 0 0 3px var(--tsk-brand-soft);}
.prl-card-body .tsk-seg{margin-top:2px;}
.prl-card-body .tsk-seg button{border-color:var(--tsk-line);background:var(--tsk-card);color:var(--tsk-sub);}
.prl-card-body .tsk-seg button.on{background:var(--tsk-brand);border-color:var(--tsk-brand);color:#fff;box-shadow:0 6px 14px rgba(160,98,45,.28);}
.prl-err{margin-top:10px;padding:8px 12px;border-radius:8px;background:var(--tsk-bad-soft);border:1px solid var(--tsk-bad);color:var(--tsk-bad);font-size:12px;line-height:1.6;}
.prl-card-body .tsk-btn-main{width:100%;margin-top:14px;background:linear-gradient(135deg,var(--tsk-brand),var(--tsk-brand-2));color:#fff;}
.prl-card-foot{margin-top:10px;font-size:10.5px;line-height:1.7;color:var(--tsk-faint);}

/* 书架：木纹隔板 + 书脊卡 */
.prl-shelf-sec{margin-bottom:26px;}
.prl-shelf{
  display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;
  padding:22px 18px 14px;min-height:230px;
  background:
    repeating-linear-gradient(90deg, rgba(138,90,43,.05) 0 3px, transparent 3px 26px),
    linear-gradient(180deg, var(--tsk-card) 0%, var(--tsk-card-2) 100%);
  border:1px solid var(--tsk-line);
  border-bottom:14px solid var(--tsk-wood);
  border-radius:14px;
  box-shadow:var(--tsk-shadow);
  position:relative;
}
.prl-shelf::after{content:"";position:absolute;left:8px;right:8px;bottom:14px;height:4px;border-radius:99px;background:var(--tsk-wood-2);opacity:.5;}
.prl-book{
  position:relative;width:88px;min-height:172px;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:12px 9px 10px;border-radius:6px 10px 10px 6px;
  border:1px solid rgba(0,0,0,.14);border-left:5px solid rgba(0,0,0,.22);
  color:#fff;cursor:pointer;text-align:left;
  box-shadow:3px 4px 10px rgba(58,42,26,.22);
  transition:transform .18s, box-shadow .18s, filter .18s;
  font-family:var(--tsk-font);
}
.prl-book:hover{transform:translateY(-5px);box-shadow:3px 9px 16px rgba(58,42,26,.3);}
.prl-book .bk-title{font-size:12.5px;font-weight:800;line-height:1.45;word-break:break-all;}
.prl-book .bk-author{font-size:9.5px;opacity:.85;line-height:1.5;}
.prl-book .bk-tag{align-self:flex-start;font-size:9px;font-weight:800;background:rgba(255,255,255,.25);border-radius:99px;padding:1px 7px;}
.prl-book .bk-check{
  position:absolute;top:-9px;right:-9px;width:22px;height:22px;border-radius:50%;
  background:var(--tsk-ok);color:#fff;font-size:12px;font-weight:900;line-height:22px;text-align:center;
  box-shadow:0 2px 6px rgba(0,0,0,.25);opacity:0;transform:scale(.4);transition:.2s;
}
.prl-book.read{filter:saturate(.75);}
.prl-book.read .bk-check{opacity:1;transform:scale(1);}
.prl-book.read::before{content:"";position:absolute;inset:0;border-radius:inherit;background:rgba(255,255,255,.18);}
.prl-book.hl{outline:3px solid var(--tsk-gold);outline-offset:2px;}
.prl-c0{background:linear-gradient(160deg,#b0552e,#8a3d1c);}
.prl-c1{background:linear-gradient(160deg,#4d7ea8,#2f5b83);}
.prl-c2{background:linear-gradient(160deg,#5b8a3c,#3e6628);}
.prl-c3{background:linear-gradient(160deg,#8a6aa8,#66488a);}
.prl-c4{background:linear-gradient(160deg,#c08a2e,#96661c);}
.prl-c5{background:linear-gradient(160deg,#a84d6f,#832f52);}
.prl-c6{background:linear-gradient(160deg,#3d8a80,#26655e);}
.prl-c7{background:linear-gradient(160deg,#7a6248,#5a4632);}

/* 结果 */
.prl-result{margin:4px 0 26px;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:16px;box-shadow:var(--tsk-shadow);padding:22px 24px;}
.prl-res-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:11px;}
.prl-res-card{background:var(--tsk-card-2);border:1px solid var(--tsk-line-2);border-radius:11px;padding:15px 17px;}
.prl-res-card b{display:block;font:800 21px/1.25 var(--tsk-num);color:var(--tsk-ink);}
.prl-res-card span{display:block;margin-top:5px;font-size:11.5px;font-weight:700;color:var(--tsk-faint);}
.prl-res-card i{display:block;margin-top:3px;font-style:normal;font-size:10.5px;color:var(--tsk-sub);}
.prl-res-card.prl-main{background:var(--tsk-brand-soft);border-color:rgba(160,98,45,.32);}
.prl-res-card.prl-main b{color:var(--tsk-brand-ink);}
.prl-alert{margin-top:14px;padding:12px 16px;border-radius:11px;font-size:13px;line-height:1.75;border:1px solid var(--tsk-line);background:var(--tsk-card-2);color:var(--tsk-sub);}
.prl-alert.good{background:var(--tsk-ok-soft);border-color:rgba(47,158,68,.35);color:var(--tsk-ok);}
.prl-alert.mid{background:var(--tsk-gold-soft);border-color:rgba(184,134,11,.35);color:var(--tsk-brand-ink);}
.prl-alert.low{background:var(--tsk-red-soft);border-color:rgba(192,57,43,.3);color:var(--tsk-red);}
.prl-plan{margin-top:16px;}
.prl-res-actions{display:flex;align-items:center;gap:12px;margin-top:14px;}
.prl-copy-tip{font-size:12px;color:var(--tsk-ok);font-weight:700;}

/* 表格 */
.prl-table{width:100%;border-collapse:collapse;font-size:13px;}
.prl-table th{background:var(--tsk-brand-soft);color:var(--tsk-brand-ink);font-weight:800;text-align:left;padding:10px 12px;border:1px solid var(--tsk-line);white-space:nowrap;}
.prl-table td{padding:10px 12px;border:1px solid var(--tsk-line-2);color:var(--tsk-sub);line-height:1.7;vertical-align:top;}
.prl-table tbody tr:nth-child(even) td{background:var(--tsk-card-2);}
.prl-strong{font-weight:800;color:var(--tsk-ink)!important;white-space:nowrap;}
.prl-tag{display:inline-block;padding:2px 10px;border-radius:99px;background:var(--tsk-green-soft);color:var(--tsk-green);font:800 11.5px/1.7 var(--tsk-num);}
.prl-scroll{overflow-x:auto;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:14px;padding:4px;box-shadow:var(--tsk-shadow-sm);}
.prl-table.is-wide{min-width:640px;margin:8px;}

/* 方法与误区 */
.prl-methods{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;}
.prl-method{background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:13px;padding:15px 17px;box-shadow:var(--tsk-shadow-sm);position:relative;}
.prl-method span{display:inline-block;font:800 11.5px/1.6 var(--tsk-num);color:#fff;background:linear-gradient(135deg,var(--tsk-brand),var(--tsk-brand-2));border-radius:99px;padding:2px 12px;margin-bottom:8px;}
.prl-method p{font-size:13px;line-height:1.75;color:var(--tsk-sub);}
.prl-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:10px;}
.prl-list li{background:var(--tsk-card);border:1px solid var(--tsk-line);border-left:4px solid var(--tsk-brand-2);border-radius:11px;padding:13px 16px;font-size:13px;line-height:1.8;color:var(--tsk-sub);}

.tsk-foot{margin-top:26px;font-size:12px;color:var(--tsk-faint);line-height:1.8;}

@media (max-width:900px){
  .prl-hero{grid-template-columns:1fr;}
  .prl-book{width:76px;min-height:150px;}
}