.t-old{--g: #8a5a2b;--g-soft: rgb(138 90 43 / 11%)}.t-new{--g: #1f5f8b;--g-soft: rgb(31 95 139 / 10%)}.chip-rows{display:grid;gap:10px}.group-section{margin-top:18px;padding-top:0;overflow:hidden}.group-head{display:flex;align-items:baseline;justify-content:space-between;gap:4px 16px;flex-wrap:wrap;margin:0 -20px 14px;padding:16px 20px 14px;color:#fff;background:radial-gradient(circle at 95% 0%,rgb(255 255 255 / 20%),transparent 45%),linear-gradient(135deg,var(--g),color-mix(in srgb,var(--g) 70%,#000))}.group-head h2{font:400 clamp(1.7rem,1.4rem + 1.3vw,2.3rem) / 1 var(--display)}.group-count{margin:0;font-weight:700;font-size:.85rem;opacity:.9}.dyk-books{display:grid;gap:8px}.dyk-book{border:1px solid var(--line);border-left:4px solid var(--g);border-radius:12px;background:#fff}.dyk-book>summary{display:flex;align-items:center;gap:12px;padding:8px 14px 8px 10px;list-style:none;cursor:pointer;border-radius:10px}.dyk-book>summary::-webkit-details-marker{display:none}.dyk-book>summary:hover{background:var(--g-soft)}.dyk-book>summary:after{content:"";flex:none;width:9px;height:9px;margin:0 4px 0 auto;border-right:2px solid var(--g);border-bottom:2px solid var(--g);transform:rotate(-45deg);transition:transform .2s ease}.dyk-book[open]>summary:after{transform:rotate(45deg)}.dyk-book[open]>summary{border-bottom:1px solid var(--line);border-radius:10px 10px 0 0}.dyk-thumb{position:relative;flex:none;display:block;overflow:hidden;width:44px;height:44px}.dyk-thumb img{position:absolute;display:block}.book-name{font:400 1.35rem/1.1 var(--display);color:var(--navy)}.book-count{padding:2px 9px;border-radius:999px;font-size:.76rem;font-weight:700;white-space:nowrap;color:var(--g);background:var(--g-soft)}.dyk-facts{display:grid;gap:6px;padding:10px}.dyk-facts:empty{display:none}.dyk-fact{border:1px solid rgb(16 37 59 / 10%);border-radius:10px;background:var(--paper)}.dyk-fact summary{display:flex;align-items:flex-start;gap:10px;padding:10px 30px 10px 12px;list-style:none;cursor:pointer;border-radius:10px}.dyk-fact summary::-webkit-details-marker{display:none}.dyk-fact summary:hover{background:var(--g-soft)}.dyk-fact summary:before{content:"?";flex:none;display:grid;place-items:center;width:24px;height:24px;margin-top:1px;border-radius:50%;font:400 .95rem/1 var(--display);color:#fff;background:var(--g)}.dyk-fact-details[open]>summary:before{content:"!";background:var(--gold)}.dyk-q{font-weight:600;font-size:1.02rem;line-height:1.3;color:var(--navy)}.dyk-fact-details[open] .dyk-q{color:var(--g)}.dyk-fact-body{padding:0 14px 14px 46px;-webkit-user-select:text;user-select:text}.dyk-text{font-size:1.04rem;line-height:1.45}.dyk-ref{font-size:.9rem;font-weight:700}.dyk-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 14px;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}.dyk-similar{margin:0;font-size:.88rem;color:var(--muted)}.dyk-similar a{font-weight:600;text-decoration-color:var(--g);text-underline-offset:2px}.dyk-bookmark{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:5px 14px 5px 10px;border:1.5px solid var(--g);border-radius:999px;background:#fff;color:var(--g);font:700 .85rem/1 var(--body);cursor:pointer;transition:background-color .15s ease,color .15s ease}.dyk-bookmark svg{width:17px;height:17px}.dyk-bookmark:hover{background:var(--g-soft)}.dyk-bookmark[aria-pressed=true]{background:#a8810c;border-color:#a8810c;color:#fff}.dyk-bookmark[aria-pressed=true] svg{fill:currentColor}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}@media (max-width: 600px){.group-head{margin:0 -16px 12px;padding:14px 16px}.dyk-thumb{width:38px;height:38px}.book-name{font-size:1.2rem}.dyk-facts{padding:8px 6px}.dyk-fact summary{padding:9px 26px 9px 9px}.dyk-fact-body{padding:0 12px 12px}}@media (prefers-reduced-motion: reduce){.dyk-book>summary:after,.dyk-bookmark{transition:none}}