.culture-library{box-sizing:border-box;width:min(780px,calc(100vw - 24px));max-width:780px;max-height:92dvh;padding:24px;overflow-y:auto;background:linear-gradient(145deg,#fffdf6,#f0ecff 60%,#eaf5ff);border:2px solid #bcacd9}
.history-library .history-keyword{color:#b52635;font-weight:800}
.culture-header{display:flex;align-items:center;justify-content:space-between;gap:16px}.culture-header h2{margin:0;font-size:28px}.culture-header button{flex-shrink:0}
.culture-progress{font-size:17px;color:#514c75;line-height:1.6}.culture-notice{font-size:17px;color:#684486;line-height:1.6;min-height:1.6em}
.culture-progress,.culture-reward{word-break:keep-all}.culture-notice:empty{display:none}
.culture-tabs{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0}.culture-tabs button{min-width:42px;min-height:42px;padding:7px 11px}.culture-tabs [aria-pressed=true]{background:#ece3ff;border:2px solid #8463b7;box-shadow:inset 0 -2px 0 #b6a0d5}
.culture-tabs.history-chapter-tabs{flex-wrap:nowrap;align-items:center;max-width:100%;overflow-x:auto;padding:4px 2px 10px}.history-chapter-tabs button{flex-shrink:0}.history-chapter-name{flex:0 0 auto;margin-left:8px;color:#34566a;font-size:18px;font-weight:700;line-height:1.5;white-space:nowrap}
.culture-titles{display:flex;flex-direction:column;gap:9px;max-height:48dvh;overflow-y:auto;padding:4px}.culture-title{display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;width:100%;background:#fffefa;border:1.5px solid #ccbedf;border-radius:12px;padding:15px 18px;color:#44355f;font-size:20px}.culture-title:hover{background:#f3ecff}.culture-title small{font-size:14px;color:#3a7161;flex-shrink:0}.culture-empty{padding:18px;line-height:1.8}
.culture-back{margin-bottom:16px}.culture-paper{position:relative;padding:32px 36px 28px 44px;border:8px solid #5d577f;border-left-width:15px;border-radius:12px 22px 22px 12px;background:repeating-linear-gradient(5deg,#fff8e914 0 3px,#e5d0a608 3px 5px),linear-gradient(90deg,#dfccac,#fff7e7 5%,#fffaf0 92%,#eddfc5);box-shadow:inset 0 0 0 2px #d9bc7f,inset 0 0 20px #b9943d1c,3px 5px 0 #d6c6a7,5px 7px 0 #b8a489,0 12px 24px #42346624;color:#443b36}
.culture-paper::before{content:'✦';position:absolute;right:20px;top:12px;color:#ae8742;font-size:25px}.culture-category{color:#8a653f;font-size:15px;margin:0}.culture-book-title{font-size:30px;line-height:1.45;margin:8px 0 24px;text-align:center;color:#65507c}.culture-book-title:focus{outline:none}.culture-paragraphs{font-size:21px;line-height:1.95;word-break:keep-all;overflow-wrap:anywhere}.culture-paragraphs p{margin:0 0 18px}.culture-lesson{border-top:1px solid #d6ba84;padding-top:18px;font-size:19px;line-height:1.8;color:#725a30}.culture-source{font-size:14px;line-height:1.6;color:#71665c}.culture-source summary{cursor:pointer}.culture-source a{color:#615086}
.culture-reader-footer{display:flex;align-items:center;justify-content:flex-end;gap:20px;margin-top:22px}.culture-reward{flex:1;font-size:16px;line-height:1.6;color:#565079}.culture-done{flex-shrink:0;min-width:112px;min-height:48px;font-size:20px}.culture-reader[hidden],.culture-catalog[hidden]{display:none}
.history-library .culture-paper{border-color:#456c85;background:linear-gradient(90deg,#d8e5e4,#fcfbef 6%,#fffdf4 95%,#dce4d9);box-shadow:inset 0 0 0 2px #ddc48f,3px 5px 0 #d4dacf,5px 7px 0 #9eafaa,0 12px 24px #35567424}.history-library .culture-paper::before{content:'✧';color:#55829c}.history-library .culture-paragraphs p{padding:0 0 14px 16px;border-left:2px solid #d8a0a0;background:repeating-linear-gradient(transparent 0 40px,#bfd2d84d 40px 41px);line-height:41px}.history-library .culture-book-title{color:#34566a}.history-library .culture-lesson{background:#f8e9b860;border-top:0;padding:13px;border-radius:8px}.history-library .culture-category{color:#496f7c}
.science-menu{text-align:center;padding:12px 8px 28px}.science-menu p{font-size:19px;line-height:1.7;word-break:keep-all}.science-bulb{object-fit:contain;display:block;margin:0 auto 16px}.science-bulb.is-glowing{animation:science-light .75s ease-in-out}.science-memo{position:relative;margin:25px 3px 8px;padding:35px 30px 25px;background:linear-gradient(120deg,#fff3ba,#fffbed 65%,#ede7c4);border:2px solid #d1bb79;border-radius:6px 6px 24px 6px;box-shadow:5px 6px 0 #bcb39355,0 10px 20px #5d577b22}.science-memo::before{content:'✦';position:absolute;top:-22px;left:calc(50% - 22px);width:44px;height:38px;border:1px solid #b39ccb;background:linear-gradient(#ede4ff,#c4b1e6);border-radius:9px;color:#82624a;text-align:center;font-size:27px;box-shadow:0 3px 4px #9d8c7155}.science-memo h3{font-size:28px;line-height:1.4;color:#5d5577;margin:9px 0 24px}.science-memo h3:focus{outline:none}.science-menu[hidden],.science-memo[hidden],.science-next[hidden]{display:none}.science-start,.science-done,.science-next{min-height:48px;font-size:19px}.science-library .culture-reader-footer{flex-wrap:wrap}.science-library .culture-reader-footer .culture-reward{flex-basis:100%}@keyframes science-light{0%,100%{filter:drop-shadow(0 0 1px #f6ce6a);transform:scale(1)}50%{filter:drop-shadow(0 0 18px #edc568);transform:scale(1.045)}}@media(prefers-reduced-motion:reduce){.science-bulb.is-glowing{animation:none}}@media(max-width:540px){.science-memo{padding:26px 18px 20px}.science-memo h3{font-size:24px}}
@media(max-width:540px){.culture-library{padding:16px}.culture-header h2{font-size:24px}.culture-title{font-size:18px;padding:13px 12px}.culture-title small{font-size:12px}.culture-paper{padding:26px 18px 20px 22px;border-width:5px;border-left-width:9px}.culture-book-title{font-size:26px}.culture-paragraphs{font-size:19px;line-height:1.9}.culture-reader-footer{gap:12px}.culture-reward{font-size:14px}.culture-done{min-width:92px}}
.culture-sort-bar{display:flex;justify-content:flex-end;margin:8px 4px}.culture-sort-button{min-height:42px;padding:8px 16px;color:#554272}.culture-title .culture-vote-count{color:#72518c;font-weight:700}
.culture-recommend{flex-shrink:0;min-height:48px;font-size:18px;color:#634587}.culture-recommend[aria-pressed=true]{background:#eee4ff;border-color:#8766b0;box-shadow:inset 0 -2px 0 #b6a0d5}
@media(max-width:540px){.culture-recommend{min-height:44px;font-size:16px}}