/* ===== your-site.example.com — Palette A (暖陶土橘). Single source of truth. ===== */
:root{
  --bg:#FAF6EF; --surface:#FFFFFF; --ink:#2B2723; --ink-soft:#6E6659;
  --accent:#C56A45; --accent-soft:#F4E6DA; --accent-line:#E8D3C2;
  --ok:#5C8A5A; --ok-bg:#EAF1E7;
  --stop:#C0483A; --stop-bg:#F6E4E1;
  --check:#B9832B; --check-bg:#F6EDD9;
  --line:#ECE4D7; --nav-bg:#FFFDF9;
  --serif:'Songti SC','Noto Serif SC',Georgia,serif;
  --sans:-apple-system,'PingFang SC','Helvetica Neue',sans-serif;
  --wrap:640px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg)}
body{color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.65;
  -webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}

/* ---- top nav ---- */
.nav{position:sticky;top:0;z-index:10;background:var(--nav-bg);
  border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(80,60,40,.03)}
.nav-in{max-width:var(--wrap);margin:0 auto;display:flex;align-items:center;
  gap:2px;padding:12px 16px;flex-wrap:wrap}
.brand{font-family:var(--serif);font-size:17px;font-weight:600;margin-right:auto;
  display:flex;align-items:center;gap:5px;text-decoration:none}
.brand .hh{color:var(--accent)}
.nav a.lnk{font-size:15px;color:var(--ink-soft);text-decoration:none;
  padding:6px 9px;border-radius:9px;white-space:nowrap}
.nav a.lnk.on{color:var(--accent);font-weight:700;background:var(--accent-soft)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:26px 20px 40px}
.crumb{font-size:14px;color:var(--accent);font-weight:600;margin-bottom:14px;
  text-decoration:none;display:inline-block}
.h2{font-family:var(--serif);font-size:24px;font-weight:600;margin-bottom:6px}
.h2-sub{color:var(--ink-soft);font-size:15px;margin-bottom:20px}
.section-label{font-size:14px;color:var(--ink-soft);font-weight:700;margin:22px 0 10px;
  letter-spacing:.03em}

/* ---- home: warm strip + composer ---- */
.warm{background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:16px 18px;margin-bottom:22px;display:flex;align-items:center;gap:12px;
  box-shadow:0 4px 16px rgba(80,60,40,.04);text-decoration:none}
.warm .wt{font-family:var(--serif);font-size:17px;flex:1}
.warm-arrow{color:var(--accent);font-weight:600;font-size:22px;line-height:1;padding:4px 6px;white-space:nowrap}
.pl-hint{font-weight:400;color:var(--ink-soft);font-size:12px}
.pickrow{margin-bottom:14px}
.pickrow .pl{font-size:14px;color:var(--ink-soft);font-weight:600;margin-bottom:8px}
.pills{display:flex;gap:9px;flex-wrap:wrap}
.pill{padding:9px 15px;border-radius:22px;border:1px solid var(--line);background:var(--surface);
  font-size:16px;color:#5a5348;cursor:pointer}
.pill.on{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}
.gen{display:block;width:100%;margin-top:8px;background:var(--accent);color:#fff;border:none;
  padding:16px;border-radius:14px;font-size:18px;font-weight:600;cursor:pointer;
  box-shadow:0 8px 20px rgba(197,106,69,.28)}
.plan{margin-top:22px;background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:18px 18px 8px;box-shadow:0 6px 22px rgba(80,60,40,.05)}
.plan .pt{font-family:var(--serif);font-size:19px;font-weight:600;margin-bottom:4px}
.plan .pmeta{font-size:14px;color:var(--ink-soft);margin-bottom:12px}
.step{display:flex;gap:13px;align-items:center;padding:11px 0;border-top:1px solid #F2EBDF;
  text-decoration:none}
.step:first-of-type{border-top:none}
.step .n{width:26px;height:26px;border-radius:8px;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;font-size:14px;font-weight:700;flex:none}
.step.warmup .n{background:#EEF1EA;color:var(--ok)}
.step .snm{font-size:17px;font-weight:600}
.step .sset{margin-left:auto;font-size:15px;color:var(--ink-soft)}
.reroll{display:block;width:100%;margin-top:16px;text-align:center;background:var(--surface);
  border:1.5px solid var(--accent);color:var(--accent);padding:14px;border-radius:14px;
  font-size:17px;font-weight:600;cursor:pointer}
.plan-empty{color:var(--ink-soft);text-align:center;padding:20px;font-size:15px}

/* ---- duration slider ---- */
.vs-wrap{position:relative;padding:12px 0 2px}
.vs-track{position:relative;height:6px;border-radius:3px;background:var(--accent-soft);margin:0 16px}
.vs-fill{position:absolute;top:0;left:0;height:100%;border-radius:3px;background:var(--accent);pointer-events:none}
.vs-handle{position:absolute;top:50%;left:0;transform:translate(-50%,-50%);
  width:28px;height:28px;border-radius:50%;background:#fff;border:3px solid var(--accent);
  box-shadow:0 1px 6px rgba(80,60,40,.28);touch-action:none;cursor:grab;box-sizing:border-box}
.vs-handle:active{cursor:grabbing;box-shadow:0 2px 10px rgba(80,60,40,.36)}
.vs-value{text-align:center;margin-top:12px;font-size:18px;font-weight:700;color:var(--accent)}

/* ---- shine CTA ---- */
.gen.shine{position:relative;overflow:hidden}
.gen.shine::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(120deg,transparent 0,rgba(255,255,255,.55) 50%,transparent 100%);
  transform:skewX(-20deg);animation:shine 30s linear infinite}
/* quick sweep in the first ~1.5s, then off-screen until the next 30s cycle */
@keyframes shine{0%{left:-70%}5%{left:130%}100%{left:130%}}
@media (prefers-reduced-motion:reduce){.gen.shine::after{animation:none}}

/* ---- routine flowchart ---- */
.flow{display:flex;flex-direction:column;align-items:stretch}
.fbox{display:flex;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:10px 12px;text-decoration:none;box-shadow:0 3px 12px rgba(80,60,40,.05)}
.fbox.warmup{background:#F3F6F0;border-color:#D8E4D2}
.fgif{width:52px;height:52px;border-radius:10px;flex:none;display:grid;place-items:center;
  font-size:24px;font-weight:700;background:var(--accent-soft);color:var(--accent);
  overflow:hidden}
.fbox.warmup .fgif{background:#E7EFE2}
.fgif.has-gif{background:repeating-linear-gradient(135deg,#F0E7D9 0 8px,#EDE2D2 8px 16px)}
.fgif .fallback-icon{grid-area:1/1}
.fgif img{grid-area:1/1;width:100%;height:100%;object-fit:cover}
.fmeta{display:flex;flex-direction:column;gap:2px;min-width:0}
.fname{font-size:17px;font-weight:600}
.fset{font-size:14px;color:var(--ink-soft)}
.farrow{text-align:center;color:var(--accent);font-size:18px;line-height:1;padding:5px 0}

/* ---- video (Bilibili embed) ---- */
.vcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  margin-bottom:14px;box-shadow:0 4px 16px rgba(80,60,40,.05)}
.bili{position:relative;aspect-ratio:16/9;background:#000}
.bili iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vinfo{display:flex;align-items:center;gap:10px;padding:12px 14px 4px}
.vinfo .vt{font-size:16px;font-weight:600;flex:1}
.vinfo .vdur{font-size:13px;color:#8a4a2c;background:var(--accent-soft);padding:3px 10px;border-radius:20px;
  font-weight:600;white-space:nowrap}
.vnote{font-size:14px;color:var(--ink-soft);padding:0 14px 14px}

/* ---- /videos page (list + filter + search) ---- */
.vsearch{width:100%;box-sizing:border-box;font-size:16px;padding:13px 15px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);margin-bottom:14px}
.vtags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.vcount{font-size:13px;color:var(--ink-soft);margin-bottom:12px}
/* pre-filtered-to-one-tool banner on the videos page */
.vtoolbanner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--accent-soft);
  border:1px solid var(--accent-line);color:#8a4a2c;border-radius:14px;padding:10px 14px;
  font-size:14px;margin-bottom:14px}
.vtoolbanner[hidden]{display:none}  /* hidden attr must beat display:flex above */
/* random family-photo strip (home + why) */
.famstrip{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 4px}
.famstrip img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px;
  border:1px solid var(--line);display:block}
.famstrip:empty{display:none}
.famstrip.famflow{display:block;overflow:hidden;margin:-4px -2px 18px;padding:2px}
.famflow-track{display:flex;gap:10px;width:max-content;animation:famflow 38s linear infinite}
.famflow img{width:178px;height:122px;aspect-ratio:auto;object-fit:cover;border-radius:16px;
  box-shadow:0 5px 16px rgba(80,60,40,.08)}
.famflow:hover .famflow-track{animation-play-state:paused}
@keyframes famflow{from{transform:translateX(0)}to{transform:translateX(calc(-50% - 5px))}}
@media (prefers-reduced-motion:reduce){.famflow-track{animation:none}}
/* /why: large, COMPLETE photos (no cropping) — natural aspect ratio, full width */
.famstrip.famfull{grid-template-columns:1fr;gap:14px;margin:18px 0 6px}
.famstrip.famfull img{aspect-ratio:auto;height:auto;object-fit:contain;border-radius:16px}
.vtoolbanner b{font-weight:600}
.vtoolbanner a{margin-left:auto;color:#8a4a2c;font-size:13px;font-weight:600;text-decoration:none;
  background:var(--surface);border:1px solid var(--accent-line);border-radius:100px;padding:4px 12px}
/* CTA link from a 器械 page to its filtered videos view (clay pill) */
.video-view-link{display:inline-flex;align-items:center;gap:6px;margin-top:6px;
  background:var(--accent);color:#fff;border-radius:100px;padding:11px 18px;
  font-size:15px;font-weight:600;text-decoration:none}
.vlist{display:flex;flex-direction:column;gap:14px}
.vitem{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 4px 16px rgba(80,60,40,.05)}
.vplay{position:relative;aspect-ratio:16/9;background:#2B2723;display:grid;place-items:center;cursor:pointer}
.vplay .pbtn{width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-size:20px;box-shadow:0 4px 14px rgba(0,0,0,.35)}
.vplay .vdur2{position:absolute;right:10px;bottom:10px;background:rgba(43,39,35,.8);color:#fff;
  font-size:12px;padding:3px 9px;border-radius:20px;font-weight:600}
.vmeta2{padding:12px 14px 14px}
.vt2{font-size:16px;font-weight:600;line-height:1.4;margin-bottom:8px}
.vtagrow{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.vplat{font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px;color:#fff}
.vplat.bilibili{background:#00a1d6}
.vtag{font-size:12px;color:#8a4a2c;background:var(--accent-soft);padding:2px 9px;border-radius:6px}
.vempty{text-align:center;color:var(--ink-soft);padding:26px;font-size:15px}

/* ---- why: letter ---- */
.eyebrow{font-size:14px;color:var(--ink-soft);letter-spacing:.08em;margin-bottom:14px}
@font-face{font-family:'LetterHand';src:url('/static/fonts/letter-hand.woff2') format('woff2');font-display:swap}
/* the letter to mom, styled like a handwritten note on curled stationery */
.letterpaper{position:relative;background:#FCF7EA;border-radius:6px;
  padding:34px 26px 40px;margin:30px 10px 22px;transform:rotate(-2deg);
  box-shadow:0 8px 24px rgba(120,92,40,.16),0 1px 0 rgba(255,255,255,.6) inset}
/* curled top + bottom edges (like a slightly rolled letter) */
.letterpaper::before,.letterpaper::after{content:'';position:absolute;left:0;right:0;height:20px;
  background:linear-gradient(180deg,#EFE6CE,#FCF7EA);pointer-events:none}
.letterpaper::before{top:0;border-radius:6px 6px 40% 40%/6px 6px 100% 100%;
  box-shadow:0 6px 8px -6px rgba(120,92,40,.35)}
.letterpaper::after{bottom:0;background:linear-gradient(0deg,#EFE6CE,#FCF7EA);
  border-radius:40% 40% 6px 6px/100% 100% 6px 6px;box-shadow:0 -6px 8px -6px rgba(120,92,40,.35)}
/* faint ruled lines behind the letter body */
.letter{font-family:'LetterHand','Songti SC',var(--serif);font-size:23px;line-height:45px;
  font-weight:400;white-space:pre-line;color:#4a3f2c;letter-spacing:.03em;
  background-image:repeating-linear-gradient(transparent 0 44px,rgba(150,120,60,.16) 44px 45px);
  background-position:0 8px}
.letter-sign{margin-top:14px;text-align:right;font-family:'LetterHand',var(--serif);
  color:#7a6a4a;font-size:19px;position:relative;z-index:1}
.letter-pen{position:absolute;left:20px;bottom:16px;width:66px;height:auto;opacity:.92;
  transform:rotate(-8deg);pointer-events:none}
.why-card{margin-top:26px;background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:20px 20px 8px;box-shadow:0 6px 22px rgba(80,60,40,.05)}
.why-card h3{font-size:14px;color:var(--ink-soft);font-weight:600;margin-bottom:12px}
.why-card li{list-style:none;display:flex;align-items:center;gap:12px;padding:9px 0;
  border-top:1px solid #F2EBDF;font-size:18px}
.why-card li:first-of-type{border-top:none}
.why-card .ic{width:30px;height:30px;border-radius:9px;background:var(--accent-soft);
  display:grid;place-items:center;font-size:15px;flex:none;overflow:hidden}
.why-card .ic.has-img{width:46px;height:46px;background:transparent}
.why-card .ic.has-img img{width:100%;height:100%;object-fit:contain}

/* ---- overview cards ---- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;
  display:flex;gap:14px;align-items:center;margin-bottom:12px;text-decoration:none;
  box-shadow:0 4px 16px rgba(80,60,40,.04)}
.thumb{width:58px;height:58px;border-radius:12px;background:var(--accent-soft);
  display:grid;place-items:center;font-size:25px;flex:none;overflow:hidden}
.thumb img,.eqhead .big img{width:100%;height:100%;object-fit:cover}
.eqhead .big{overflow:hidden}
.card .nm{font-size:18px;font-weight:600}
.card .ds{font-size:14px;color:var(--ink-soft);margin-top:2px}
.card .arrow{margin-left:auto;color:#C9BEAC;font-size:22px;flex:none}

/* ---- tool page: gallery ---- */
.eqhead{display:flex;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:14px;margin-bottom:8px;box-shadow:0 4px 16px rgba(80,60,40,.04)}
.eqhead .big{width:56px;height:56px;border-radius:12px;background:var(--accent-soft);
  display:grid;place-items:center;font-size:26px;flex:none}
.eqhead .nm{font-family:var(--serif);font-size:20px;font-weight:600}
.eqhead .ds{font-size:14px;color:var(--ink-soft);margin-top:2px}
.freq{font-size:14px;color:#8a4a2c;background:var(--accent-soft);display:inline-block;
  padding:5px 12px;border-radius:20px;margin:8px 0 6px;font-weight:600}
.note{font-size:15px;color:var(--ink-soft);margin:6px 0 16px}
.level-label{font-size:15px;font-weight:700;color:var(--ink);margin:20px 0 10px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid + .level-label{margin-top:24px}
.gcard{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  text-decoration:none;box-shadow:0 4px 14px rgba(80,60,40,.05)}
.cover{aspect-ratio:4/3;background:repeating-linear-gradient(135deg,#F0E7D9 0 12px,#EDE2D2 12px 24px);
  display:grid;place-items:center;position:relative;color:#B09c82;font-size:12px;overflow:hidden}
.cover.no-cover{background:var(--accent-soft);color:var(--accent)}
.cover img{grid-area:1/1;width:100%;height:100%;object-fit:cover}
.cover-fallback{grid-area:1/1;font-size:14px;font-weight:700}
.cover img + .cover-fallback{display:none}
.cover .gbadge{position:absolute;top:8px;left:8px;background:rgba(43,39,35,.72);color:#fff;
  font-size:11px;padding:2px 8px;border-radius:20px;font-weight:600}
.gbody{padding:11px 12px 13px}
.gbody .gn{font-size:16px;font-weight:600;line-height:1.35}
.gbody .gt{font-size:13px;color:var(--ink-soft);margin-top:5px;display:flex;gap:6px;
  align-items:center;flex-wrap:wrap}
.mtag{background:var(--accent-soft);color:#8a4a2c;padding:1px 8px;border-radius:6px;font-weight:600}

/* ---- exercise / cardio detail ---- */
.media{border-radius:16px;overflow:hidden;margin-bottom:8px}
.exname{font-family:var(--serif);font-size:24px;font-weight:600;margin:16px 0 12px}
.muscle{display:flex;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:12px 14px;margin-bottom:14px}
.anatomy{width:52px;height:52px;border-radius:10px;background:#EFE7D9;border:1px dashed var(--accent-line);
  display:grid;place-items:center;font-size:11px;color:#A9967d;flex:none;text-align:center;line-height:1.3}
.muscle b{color:var(--accent)}
.muscle .msub{font-size:14px;color:var(--ink-soft)}
/* anatomy highlight — front/back body diagram with target muscles lit */
.bodies{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:14px 12px;margin-bottom:14px}
.bwrap{text-align:center;margin:0}
.bwrap .lab{font-size:11px;color:var(--ink-soft);letter-spacing:.1em;margin-bottom:4px}
.body{width:118px;height:auto;display:block}
.body .base{fill:#E7E0D4;stroke:#D8CFC0;stroke-width:1.5}
.body .lit{fill:var(--accent);stroke:#A8542F;stroke-width:1.5}
/* 升级版 (advanced progression) block */
.advanced{margin-top:16px;background:var(--surface);border:1px solid var(--accent-line);
  border-radius:16px;padding:16px 18px}
.adv-tag{display:inline-block;background:var(--accent-soft);color:#8a4a2c;font-size:12px;
  font-weight:600;padding:3px 10px;border-radius:20px;margin-bottom:8px}
.adv-name{font-size:18px;font-weight:700}
.adv-intro{font-size:15px;color:var(--ink-soft);line-height:1.7;margin:6px 0 10px}
/* prev/next nav on exercise pages (top + bottom) */
.exnav{display:flex;gap:10px;align-items:stretch;margin-top:22px}
.exnav-top{margin-top:10px;margin-bottom:4px}
.exnav a{flex:1;font-size:14px;font-weight:600;text-decoration:none;border-radius:14px;
  padding:12px 14px;text-align:center;line-height:1.4}
.exnav-prev{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.exnav-next{background:var(--accent);color:#fff}
.exnav-back-row{margin-top:10px}
.exnav-back{display:inline-block;font-size:14px;color:var(--ink-soft);text-decoration:none;padding:9px 15px;
  border:1px solid var(--line);border-radius:100px;background:var(--surface)}
.blk{margin-bottom:16px}
.blk .lab{font-size:13px;color:var(--ink-soft);font-weight:700;letter-spacing:.05em;margin-bottom:5px}
.blk .val{font-size:17px}
details.tip{margin-top:10px;background:var(--accent-soft);border-radius:12px;padding:0 14px;
  font-size:15px;color:#5a4a3d}
details.tip summary{font-weight:700;color:var(--accent);cursor:pointer;padding:12px 0;list-style:none}
details.tip summary::-webkit-details-marker{display:none}
details.tip summary::before{content:"💡 ";}
details.tip[open] summary::after{content:" ▲"}
details.tip:not([open]) summary::after{content:" ▼"}
details.tip .tipbody{padding-bottom:13px;line-height:1.65}
.dd{display:flex;gap:10px;margin-bottom:16px}
.dd .col{flex:1;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 13px}
.dd .col.do{border-color:#CFE0CC}
.dd .col.no{border-color:#E6CFC9}
.dd h4{font-size:14px;margin-bottom:8px;font-weight:700}
.dd .do h4{color:var(--ok)} .dd .no h4{color:var(--stop)}
.dd li{list-style:none;font-size:15px;padding:3px 0;color:#4f4940}
.selfcheck{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:8px 14px;margin-bottom:16px}
.selfcheck .sh{font-size:14px;color:var(--ink-soft);font-weight:700;padding:11px 0 8px;letter-spacing:.03em}
.sc{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid #F2EBDF;font-size:16px}
.sc .badge{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:15px;
  flex:none;color:#fff;font-weight:700}
.sc .where{font-weight:600;flex:none}
.sc .sym{color:var(--ink-soft);font-size:14px}
.sc .verdict{margin-left:auto;font-size:14px;font-weight:700;padding:3px 10px;border-radius:8px;white-space:nowrap}
.b-ok{background:var(--ok)} .b-stop{background:var(--stop)} .b-check{background:var(--check)}
.v-ok{background:var(--ok-bg);color:var(--ok)} .v-stop{background:var(--stop-bg);color:var(--stop)}
.v-check{background:var(--check-bg);color:var(--check)}
.video{display:flex;align-items:center;gap:12px;background:#2B2723;color:#fff;border-radius:14px;
  padding:14px 16px;text-decoration:none}
.video .play{width:34px;height:34px;border-radius:50%;background:var(--accent);display:grid;place-items:center;flex:none}
.video .vt{font-size:16px;font-weight:600} .video .vs{font-size:13px;color:#C9BEAC}

/* ---- info page (护具 / 配件) ---- */
.infolist{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:6px 16px;margin-bottom:16px}
.infolist li{list-style:none;padding:12px 0;border-top:1px solid #F2EBDF;font-size:16px;
  display:flex;gap:10px;align-items:flex-start}
.infolist li:first-child{border-top:none}
.infolist li::before{content:"·";color:var(--accent);font-weight:700;font-size:20px;line-height:1.2}
.whyblock{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 18px;
  margin-bottom:8px;font-size:16px;color:#4f4940;white-space:pre-line;line-height:1.7}
/* ---- 首页「训练小知识」浮卡：右上角固定，可收起，手机上默认收起以免挡内容 ---- */
.daycard{position:fixed;top:72px;right:16px;width:322px;z-index:60;
  background:var(--surface);border:1px solid var(--accent-line);border-radius:16px;
  box-shadow:0 12px 34px rgba(120,92,40,.18);overflow:hidden}
.daycard[hidden]{display:none}
.daycard-head{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 14px;cursor:pointer;background:var(--accent-soft);user-select:none}
.daycard-eyebrow{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.02em}
.daycard-toggle{border:none;background:none;color:var(--accent);font-size:15px;line-height:1;
  cursor:pointer;padding:2px 4px;transition:transform .18s ease}
.daycard.collapsed{width:auto}
.daycard.collapsed .daycard-toggle{transform:rotate(-90deg)}
.daycard-panel{padding:13px 15px 15px;max-height:min(64vh,520px);overflow-y:auto}
.daycard.collapsed .daycard-panel{display:none}
.daycard-group{font-size:11.5px;color:var(--ink-soft);margin-bottom:5px}
.daycard-title{font-family:var(--serif);font-size:18px;color:var(--ink);margin:0 0 9px;line-height:1.32}
.daycard-text{font-size:14px;color:var(--ink-soft);line-height:1.68}
.daycard-text p{margin:0 0 9px}
.daycard-text p:last-child{margin-bottom:0}
.daycard-foot{display:flex;align-items:center;justify-content:flex-end;gap:10px;
  margin-top:12px;padding-top:11px;border-top:1px solid var(--line)}
.daycard-reroll{background:var(--accent-soft);color:var(--accent);border:none;border-radius:100px;
  padding:6px 13px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit;white-space:nowrap}
.daycard-reroll:hover{background:var(--accent-line)}
@media (max-width:640px){
  .daycard{top:108px;right:10px;width:min(82vw,290px)}
  .daycard-panel{max-height:min(66vh,430px)}
}
.caution{background:var(--check-bg);border:1px solid #EAD9B6;border-radius:14px;padding:14px 16px;
  font-size:15px;color:#7a5a1c;margin-bottom:16px}
.caution b{color:var(--check)}

/* ---- knowledge ---- */
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.toc a{font-size:14px;color:var(--accent);font-weight:600;text-decoration:none;
  background:var(--accent-soft);border:1px solid var(--accent-line);
  padding:7px 13px;border-radius:20px;white-space:nowrap}
.to-top{position:fixed;right:16px;bottom:20px;z-index:20;background:var(--accent);color:#fff;
  border:none;border-radius:24px;padding:11px 17px;font-size:14px;font-weight:600;
  box-shadow:0 6px 18px rgba(197,106,69,.35);cursor:pointer;text-decoration:none;
  opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .2s,transform .2s}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.kgroup{margin-bottom:26px;scroll-margin-top:72px}
.karticle{scroll-margin-top:72px}
.karticle{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 18px;margin-bottom:12px}
.karticle h4{font-family:var(--serif);font-size:19px;margin-bottom:8px}
.karticle p{font-size:16px;color:#4f4940;white-space:pre-line;line-height:1.7}

/* ---- legal / footer ---- */
.prose h3{font-family:var(--serif);font-size:20px;margin:18px 0 8px}
.prose p{font-size:15px;color:#4f4940;margin-bottom:10px}
.stack-list{list-style:none;margin:0 0 14px}
.stack-list li{font-size:15px;color:#4f4940;padding:7px 0;border-top:1px solid #F2EBDF;line-height:1.6}
.stack-list li:first-child{border-top:none}
.stack-list a{color:var(--accent);font-weight:600;text-decoration:none}
footer{border-top:1px solid var(--line);margin-top:20px}
.foot-in{max-width:var(--wrap);margin:0 auto;padding:20px;font-size:13px;color:var(--ink-soft);
  display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.foot-in a{color:var(--ink-soft);text-decoration:none}