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var(--rule);background:var(--paper-raised);width:32px;height:32px;color:var(--ink-2);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.theme-toggle:hover{color:var(--qing);border-color:var(--qing-line)}.theme-toggle svg{width:16px;height:16px}.theme-toggle .icon-sun{display:none}.dark .theme-toggle .icon-sun{display:block}.dark .theme-toggle .icon-moon{display:none}.site-main{max-width:1120px;margin:0 auto;padding:0 20px 48px}.container{max-width:860px;margin:0 auto}.container.narrow{max-width:460px}.page-title{font-family:var(--serif);letter-spacing:.01em;margin:34px 0 8px;font-size:27px;font-weight:700}.page-sub{color:var(--ink-2);max-width:68ch;margin:0 0 22px;font-size:14px;line-height:1.75}.page-sub strong{color:var(--ink);font-weight:600}.site-footer{border-top:1px solid var(--rule);text-align:center;color:var(--ink-3);margin-top:64px;padding:30px 20px 44px;font-size:13px}.footer-links{flex-wrap:wrap;justify-content:center;gap:8px 18px;margin-bottom:12px;display:flex}.footer-links a{color:var(--ink-2)}.footer-links a:hover{color:var(--qing)}.site-footer p{margin:0}.shelf-hero{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:28px;padding:36px 0 24px;display:flex}.shelf-hero h1{font-family:var(--serif);letter-spacing:.01em;margin:0 0 8px;font-size:30px;font-weight:700}.shelf-hero .lede{color:var(--ink-2);max-width:56ch;margin:0;font-size:14px;line-height:1.75}.shelf-stat{text-align:right}.shelf-stat .num{font-family:var(--serif);color:var(--qing);font-variant-numeric:tabular-nums;font-size:32px;font-weight:700;line-height:1}.shelf-stat .cap{color:var(--ink-3);letter-spacing:.05em;margin-top:5px;font-size:12px}.version-pills{background:var(--paper-sunken);border:1px solid var(--rule);border-radius:999px;gap:2px;margin-bottom:22px;padding:3px;display:inline-flex}.library-version-pills{margin-top:4px}.version-pill{color:var(--ink-2);white-space:nowrap;border-radius:999px;padding:5px 16px;font-size:13px}.version-pill:hover{color:var(--qing);text-decoration:none}.version-pill.active{background:var(--paper-raised);color:var(--ink);box-shadow:var(--sh-sm);font-weight:600}.levels-bar{z-index:30;background:var(--paper-veil);-webkit-backdrop-filter:saturate(150%)blur(12px);backdrop-filter:saturate(150%)blur(12px);border-bottom:1px solid var(--rule);margin:0 -20px 4px;position:sticky;top:58px}.levels-bar-in{scrollbar-width:none;gap:4px;max-width:1120px;margin:0 auto;padding:0 20px;display:flex;overflow-x:auto}.levels-bar-in::-webkit-scrollbar{display:none}.level-pill{color:var(--ink-2);white-space:nowrap;border-bottom:2px solid #0000;flex:none;margin-bottom:-1px;padding:14px 15px 12px;font-size:14px}.level-pill:hover{color:var(--qing);text-decoration:none}.level-pill.active{color:var(--ink);border-bottom-color:var(--qing);font-weight:600}.reader-nav{padding-top:20px}.reader-nav .version-pills{margin-bottom:10px}.reader-nav .level-pills{scrollbar-width:none;gap:6px;margin-bottom:10px;padding-bottom:2px;display:flex;overflow-x:auto}.reader-nav .level-pills::-webkit-scrollbar{display:none}.novel-menu{-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:6px;padding-bottom:6px;display:flex;overflow-x:auto}.novel-menu::-webkit-scrollbar{display:none}.novel-item{background:var(--paper-raised);border:1px solid var(--rule);color:var(--ink-2);white-space:nowrap;border-radius:999px;flex:none;align-items:center;gap:6px;padding:7px 13px;font-size:13px;display:flex}.novel-item:hover{border-color:var(--qing-line);color:var(--qing);text-decoration:none}.novel-item.active{background:var(--qing);border-color:var(--qing);color:var(--on-qing);font-weight:600}.novel-item.active .novel-item-num,.novel-item.active .novel-item-title{color:var(--on-qing)}.novel-item.locked{background:var(--paper)}.novel-item.planned{opacity:.6;border-style:dashed}.novel-item-num{color:var(--ink-3);font-variant-numeric:tabular-nums;font-size:11px}.novel-item-title{color:var(--ink);text-overflow:ellipsis;max-width:15em;font-weight:600;overflow:hidden}.lock-icon{color:var(--ink-3);align-items:center;display:inline-flex}.novel-item.active .lock-icon{color:var(--on-qing)}.reader{background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--r-lg);box-shadow:var(--sh-sm);max-width:720px;margin:20px auto 0;padding:44px clamp(28px,5vw,60px) 34px}.novel-kicker{color:var(--qing);letter-spacing:.14em;margin:0 0 10px;font-size:12px;font-weight:600}.novel-title{font-family:var(--serif);letter-spacing:.01em;text-wrap:balance;margin:0 0 14px;font-size:clamp(25px,3.6vw,32px);font-weight:700;line-height:1.35}.novel-intro{color:var(--ink-2);margin:0 0 16px;font-size:14px;line-height:1.85}.novel-tags{flex-wrap:wrap;gap:6px;margin:0 0 16px;display:flex}.novel-tag{background:var(--qing-wash);color:var(--qing);border-radius:999px;align-items:center;padding:2px 9px;font-size:12px;display:inline-flex}.novel-card-tags{color:var(--ink-3);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.novel-meta{color:var(--ink-3);border-bottom:1px solid var(--rule);flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 26px;padding-bottom:18px;font-size:13px;display:flex}.novel-meta strong{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:600}.novel-meta .hint{color:var(--ink-3)}.novel-meta .hint b,.novel-meta b{color:var(--qing);font-weight:600}.novel-text{font-family:var(--serif);letter-spacing:.012em;color:var(--ink);font-size:18.5px;line-height:2.05}.novel-text p{text-align:justify;text-indent:2em;margin:0 0 1.15em}.novel-text p:last-child{margin-bottom:0}.word-btn{appearance:none;border:none;border-bottom:1px solid var(--qing-line);font:inherit;color:var(--qing);cursor:pointer;background:0 0;border-radius:2px;margin:0 1px;padding:0;transition:border-color .15s,background-color .15s}.word-btn:hover{border-bottom-color:var(--qing);background:var(--qing-wash)}.word-popup{z-index:50;background:var(--paper-raised);border:1px solid var(--rule-strong);border-radius:var(--r-lg);box-shadow:var(--sh-lg);font-family:var(--sans);padding:16px 18px 15px;font-size:14px;line-height:1.65;animation:.16s ease-out word-popup-in;position:fixed}.word-popup:before{content:"";background:var(--paper-raised);border-left:1px solid var(--rule-strong);border-top:1px solid var(--rule-strong);width:11px;height:11px;position:absolute;top:-6px;left:34px;transform:rotate(45deg)}@keyframes word-popup-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.word-popup-head strong{font-family:var(--latin-serif);letter-spacing:.01em;font-size:21px;font-weight:700}.word-popup-form{color:var(--ink-3);font-size:12px}.word-popup-actions{float:right;gap:6px;display:inline-flex}.speak-btn{border:1px solid var(--rule);background:var(--paper);color:var(--qing);font-family:var(--sans);cursor:pointer;border-radius:999px;align-items:center;gap:4px;padding:3px 9px;font-size:12px;font-weight:600;display:inline-flex}.speak-btn:hover{border-color:var(--qing-line);background:var(--qing-wash)}.word-popup-phonetic{color:var(--ink-3);margin-top:3px;font-size:12px;display:block}.word-popup-defs{margin:10px 0 0;padding:0;list-style:none}.word-popup-defs li{gap:7px;margin-bottom:3px;display:flex}.word-popup-defs 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20px;font-size:14px;line-height:1.75}.lock-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.lock-hint{color:var(--ink-3);margin:14px 0 0;font-size:13px}.lock-free{color:var(--ink-2);margin:16px 0 0;font-size:14px}.btn{border-radius:var(--r-md);border:1px solid var(--rule-strong);background:var(--paper-raised);color:var(--ink);font-family:var(--sans);cursor:pointer;justify-content:center;align-items:center;gap:7px;padding:9px 17px;font-size:14px;font-weight:600;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.btn:hover{border-color:var(--qing);color:var(--qing);text-decoration:none}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--qing);border-color:var(--qing);color:var(--on-qing)}.btn-primary:hover{background:var(--qing-bright);border-color:var(--qing-bright);color:var(--on-qing)}.btn-small{border-radius:var(--r-sm);padding:6px 13px;font-size:13px}.form{background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--r-lg);box-shadow:var(--sh-sm);flex-direction:column;gap:15px;padding:20px;display:flex}.form-label{color:var(--ink-2);flex-direction:column;gap:7px;font-size:13px;font-weight:600;display:flex}.form-row{flex-wrap:wrap;gap:12px;display:flex}.form-row .form-label{min-width:140px}.form-row .form-label.grow{flex:1;min-width:180px}.form-input{border:1px solid var(--rule);border-radius:var(--r-md);width:100%;font-size:14px;font-family:var(--sans);background:var(--paper-sunken);color:var(--ink);padding:10px 13px}.form-input::placeholder{color:var(--ink-3)}.form-input:focus{border-color:var(--qing);background:var(--paper-raised);outline:none}.code-input{text-transform:uppercase;letter-spacing:1px;font-family:ui-monospace,monospace}.form-error{color:var(--bad);margin:0;font-size:13px}.form-success{color:var(--qing);margin:0;font-size:13px}.form-footnote{color:var(--ink-3);text-align:center;margin-top:16px;font-size:13px}.library-level{margin-bottom:30px}.library-level-name{font-family:var(--serif);margin:22px 0 2px;font-size:20px;font-weight:700}.library-level-tagline{color:var(--ink-2);margin:0 0 14px;font-size:13px}.library-level-mastered{color:var(--qing);font-weight:600}.library-level-progress{float:right;color:var(--ink-3);font-variant-numeric:tabular-nums;padding-top:6px;font-size:12px;font-weight:400}.library-grid{grid-template-columns:repeat(auto-fill,minmax(238px,1fr));gap:12px;display:grid}.novel-card{background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--r-md);flex-direction:column;gap:3px;padding:14px 16px 13px 19px;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;position:relative;overflow:hidden}.novel-card:before{content:"";background:var(--rule);width:3px;position:absolute;top:0;bottom:0;left:0}.novel-card:not(.locked):not(.planned):before{background:var(--qing)}.novel-card:hover{border-color:var(--qing-line);box-shadow:var(--sh-md);text-decoration:none;transform:translateY(-1px)}.novel-card.locked{background:var(--paper)}.novel-card.locked .novel-card-title{color:var(--ink-2)}.novel-card.planned{background:0 0;border-style:dashed}.novel-card.planned .novel-card-title{color:var(--ink-3);font-weight:400}.novel-card-num{color:var(--ink-3);font-variant-numeric:tabular-nums;letter-spacing:.04em;font-size:12px}.novel-card-title{font-family:var(--serif);letter-spacing:.01em;color:var(--ink);font-size:16px;font-weight:700;line-height:1.45}.novel-card-words{color:var(--ink-3);margin-top:4px;font-size:12px}.novel-card-lock{color:var(--ink-3);align-items:center;gap:4px;margin-top:3px;font-size:12px;display:inline-flex}.admin-section{background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--r-lg);box-shadow:var(--sh-sm);margin-bottom:18px;padding:18px 20px 20px}.admin-section h2{font-family:var(--serif);margin:0 0 14px;font-size:18px}.codes-result{border-top:1px dashed 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10px;font-size:15px;line-height:1.75}.quiz-feedback-bad strong{color:var(--qing)}.quiz-feedback-ex{color:var(--ink-2);margin:0 0 16px;font-size:13.5px;line-height:1.75}.quiz-feedback-ex span{display:block}.quiz-next-btn{width:100%}.quiz-score{text-align:center;margin:8px 0 6px}.quiz-score-ring{width:116px;height:116px;font-family:var(--serif);border:5px solid var(--rule);font-variant-numeric:tabular-nums;border-radius:50%;justify-content:center;align-items:center;margin-bottom:14px;font-size:31px;font-weight:700;display:inline-flex}.quiz-score-ring.good{border-color:var(--qing);color:var(--qing)}.quiz-score-ring.ok{color:var(--warn);border-color:#b8860b}.quiz-score-ring.bad{border-color:var(--zhu);color:var(--zhu)}.quiz-score-line{color:var(--ink);margin:0 0 5px;font-size:15px}.quiz-score-line strong{font-variant-numeric:tabular-nums}.quiz-save-state{color:var(--ink-3);margin:0;font-size:12.5px}.quiz-wrong{border-top:1px dashed 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strong{font-family:var(--serif);font-size:17px;font-weight:700}.review-level-counts{color:var(--ink-3);font-variant-numeric:tabular-nums;font-size:13px}.review-level-bar{background:var(--paper-sunken);border-radius:3px;width:100%;height:5px;overflow:hidden}.review-level-bar-fill{background:var(--qing);border-radius:3px;height:100%}.review-all-mastered{color:var(--qing);font-size:13.5px;font-weight:600}.feedback-fab{z-index:90;background:var(--qing);width:46px;height:46px;color:var(--on-qing);cursor:pointer;border:none;border-radius:999px;justify-content:center;align-items:center;transition:transform .15s,background .15s;display:flex;position:fixed;bottom:18px;right:18px;box-shadow:0 4px 14px #23201b33}.feedback-fab:hover{background:var(--qing-bright);transform:scale(1.06)}.feedback-pop{z-index:90;background:var(--paper-raised);border:1px solid var(--rule-strong);border-radius:var(--r-lg);width:min(340px,100vw - 24px);box-shadow:var(--sh-lg);flex-direction:column;gap:12px;padding:16px;display:flex;position:fixed;bottom:74px;right:18px}.feedback-head{color:var(--ink);font-size:15px;font-weight:700}.feedback-field{color:var(--ink-2);flex-direction:column;gap:6px;font-size:13px;display:flex}.feedback-field>span{justify-content:space-between;align-items:baseline;display:flex}.feedback-count{color:var(--ink-3);font-size:12px;font-style:normal}.feedback-textarea{resize:vertical;min-height:84px;line-height:1.6}.feedback-submit{width:100%}.feedback-done{color:var(--qing);text-align:center;margin:8px 0;font-size:14px;font-weight:600}.feedback-table .feedback-body{white-space:pre-wrap;word-break:break-word;max-width:320px;font-size:13px}.feedback-table .feedback-page{word-break:break-all;max-width:180px;font-size:12px}.feedback-table .feedback-actions{gap:6px;display:inline-flex}.feedback-del{color:var(--bad)}.feedback-del:hover{border-color:var(--bad);color:var(--bad)}.feedback-table tr.feedback-open td{background:var(--qing-wash)}@media (max-width:860px){.site-main{padding:0 16px 40px}.levels-bar{margin:0 -16px 4px}.levels-bar-in{padding:0 12px}.level-pill{padding:13px 12px 11px;font-size:13.5px}}@media (max-width:640px){.site-header-inner{gap:14px;height:52px;padding:0 14px}.brand{font-size:15px}.brand svg{width:23px;height:23px}.nav-links{gap:15px;font-size:13.5px}.nav-links a.nav-hide-mobile,.username{display:none}.user-area{gap:9px}.levels-bar{top:52px}.reader{border-radius:var(--r-md);padding:26px 20px 22px}.novel-title{font-size:23px}.novel-text{letter-spacing:0;font-size:17px;line-height:1.95}.novel-text p{text-align:left;text-indent:0;margin-bottom:1.3em}.reader-nav-link{max-width:48%}.word-popup-drawer{border-radius:var(--r-lg) var(--r-lg) 0 0;width:100%;max-height:70vh;padding:18px 20px calc(20px + env(safe-area-inset-bottom));border-bottom:none;inset:auto 0 0;overflow-y:auto;box-shadow:0 -8px 30px #23201b33}.word-popup-drawer:before{display:none}.shelf-hero{padding:26px 0 18px}.shelf-hero h1{font-size:24px}.shelf-stat{text-align:left}.shelf-stat .num{font-size:27px}.library-grid{grid-template-columns:1fr 1fr;gap:10px}.novel-card{padding:12px 13px 11px 16px}.novel-card-title{font-size:15px}.quiz-panel{border-radius:var(--r-md);margin-top:20px;padding:22px 20px 20px}.quiz-title{font-size:22px}.quiz-choice-list{grid-template-columns:1fr}.quiz-prompt{font-size:29px}.quiz-cloze{font-size:17px}.page-title{font-size:23px}.lock-panel{margin:20px auto;padding:32px 24px}}