:root{color-scheme:light;--paper:#f6f2e8;--ink:#1c4947;--muted:#6c7770;--line:#d6dacd;--coral:#b95136;--blue:#355997;--white:#fffcf5;--ui: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;--display:"Songti SC","STSong","SimSun",serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--ui);font-size:15px;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.25}button,a{touch-action:manipulation}button{border:0;background:transparent}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #d19b3c;outline-offset:4px}svg{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}svg.svg-defs{position:absolute;width:0;height:0;overflow:hidden}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
.shelf{max-width:1440px;margin:auto;padding:clamp(32px,6vw,82px) clamp(24px,6vw,92px) 32px;min-height:100svh}.shelf-heading{position:relative;max-width:720px;margin-bottom:clamp(36px,5vw,64px)}.series-mark{font-size:12px;letter-spacing:.13em;font-weight:500;color:var(--muted)}.shelf h1{font-family:var(--display);font-weight:700;font-size:clamp(38px,5.1vw,66px);line-height:1.23;letter-spacing:.02em;margin:20px 0 14px}.shelf-heading p{font-size:17px;line-height:1.8;margin:0;color:var(--muted)}.mobile-break{display:none}.books{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,3vw,44px)}.book{min-width:0}.book-cover{display:block;position:relative;width:100%;aspect-ratio:4/5;padding:0;isolation:isolate;transition:transform .24s ease}.book-cover::before{position:absolute;content:"";z-index:-1;inset:10% 2% 0;box-shadow:6px 14px 22px #28433625;transform:rotate(-.7deg)}.book-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#ffffff35,transparent 3%,transparent 98%,#1f342519);pointer-events:none}.book-cover img{display:block;width:100%;height:100%;object-fit:cover;border-radius:1px}.book-cover:hover{transform:translateY(-6px) rotate(-.65deg)}.book:nth-child(even) .book-cover:hover{transform:translateY(-6px) rotate(.65deg)}.book-caption{padding:19px 0 0}.book h2{font-family:var(--display);font-size:21px;line-height:1.4;font-weight:700;margin:0 0 5px}.book-subject{display:block;color:var(--muted);font-size:12px;letter-spacing:.07em;line-height:1.6}.book-links{display:flex;gap:20px;margin-top:13px}.book-links button,.book-links a{padding:5px 0;display:flex;gap:5px;align-items:center;text-decoration:none;font-size:12px;line-height:1.4;color:var(--muted)}.book-links svg{width:15px;height:15px}.book-links a:hover,.book-links button:hover{color:var(--coral)}.shelf-footer{margin-top:clamp(45px,6vw,82px);border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);line-height:1.7}.loading-message{color:var(--muted);grid-column:1/-1;padding:35px 0}.load-error{grid-column:1/-1;line-height:1.8;max-width:500px}
.reader{height:100svh;min-height:0;display:flex;flex-direction:column;overflow:hidden;background:var(--paper)}body.reading{overflow:hidden}.reader-toolbar{height:72px;min-height:72px;display:flex;align-items:center;gap:20px;padding:0 clamp(18px,3vw,48px);position:relative;z-index:3}.text-button{display:inline-flex;gap:6px;align-items:center;padding:9px 0;font-size:13px;text-decoration:none}.text-button svg{width:18px;height:18px}.back-button{min-width:82px;justify-content:flex-start}.reader-heading{margin:auto;text-align:center}.reader-heading h1{font-family:var(--display);font-size:19px;font-weight:600;line-height:1.4;margin:0}.reader-heading>span{font-size:10px;color:var(--muted);letter-spacing:.09em}.toolbar-actions{display:flex;position:relative;gap:6px;min-width:82px;justify-content:flex-end}.icon-button{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;flex:none}.icon-button:hover{background:#2648400a}.reader-menu{position:absolute;right:0;top:48px;min-width:188px;background:var(--white);padding:8px;border:1px solid var(--line);box-shadow:0 8px 25px #24463a16;z-index:6;border-radius:7px}.menu-item{display:flex;align-items:center;gap:11px;width:100%;padding:11px 9px;font-size:13px;text-decoration:none;text-align:left;border-radius:3px}.menu-item:hover{background:#294c420a}.menu-item svg{width:18px;height:18px}.reading-area{flex:1;min-height:0;position:relative;display:grid;grid-template-columns:54px minmax(0,1fr) 54px;gap:4px;padding:0 14px}.stage{min-height:0;min-width:0;position:relative;display:flex;align-items:center;justify-content:center;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#abb8a5 transparent}.picture-frame{margin:0;display:flex;align-items:center;justify-content:center;position:relative;width:100%;height:100%}.picture{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;user-select:none;box-shadow:0 3px 16px #263e3519;background:#f4eedf;transition:opacity .15s ease}.picture.is-loading{opacity:.25}.page-turn{align-self:center;justify-self:center;width:42px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:50px;transition:background .15s}.page-turn:hover:not(:disabled){background:#294c420a}.page-turn svg{width:23px;height:23px;stroke-width:1.35}.next svg{transform:rotate(180deg)}.reader-footer{position:relative;z-index:2;height:66px;min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 clamp(20px,4vw,60px)}.view-switch{display:flex;gap:2px;min-width:150px}.view-switch button{padding:7px 10px;font-size:11px;display:flex;gap:5px;align-items:center;color:var(--muted);border-radius:4px}.view-switch svg{width:18px;height:18px}.view-switch button[aria-pressed=true]{color:var(--ink);background:#3154440b}.page-position{color:var(--ink);font-size:13px;min-width:80px;font-variant-numeric:tabular-nums;padding:10px 7px}.page-total{color:var(--muted);font-size:11px}.reader-footer-actions{display:flex;gap:8px;min-width:150px;justify-content:flex-end}.review-button{display:flex;align-items:center;gap:7px;font-size:12px;padding:8px 10px;color:var(--ink);border-radius:4px}.review-button:hover{background:#3154440b}.review-button svg{width:18px;height:18px}.is-zoomed .stage{display:block;cursor:grab}.is-zoomed .stage.is-dragging{cursor:grabbing}.is-zoomed .picture-frame{display:block;max-width:none;max-height:none;align-items:initial;justify-content:initial;width:var(--zoom-width);height:var(--zoom-height);margin:auto}.is-zoomed .picture{width:100%;height:100%;max-width:none;max-height:none;box-shadow:none}.zoom-tip{position:absolute;left:50%;bottom:72px;transform:translateX(-50%);margin:0;border-radius:20px;background:#fffcf5eb;border:1px solid #d6dacda0;padding:7px 15px;color:var(--muted);font-size:11px;text-align:center;pointer-events:none;z-index:2;white-space:nowrap}.image-error{position:absolute;max-width:300px;text-align:center;background:var(--white);padding:24px;line-height:1.9}.reader:fullscreen{height:100%;width:100%}
dialog{border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--white);box-shadow:0 20px 90px #192d3840;padding:25px 28px;max-height:calc(100svh - 36px);overflow:auto;width:calc(100% - 32px)}dialog::backdrop{background:#153e3b75;backdrop-filter:blur(4px)}.small-dialog{max-width:450px}.review-dialog{max-width:560px}.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:0 0 18px}.dialog-heading h2{font-family:var(--display);font-weight:600;font-size:24px;line-height:1.4;margin:0;padding-top:4px}.dialog-heading .icon-button{margin:-7px -10px 0 0}.dialog-heading .series-mark{font-size:10px}.dialog-heading .series-mark+h2{margin-top:8px}.dialog-book-title{color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 20px}.small-dialog>p:not(.dialog-book-title){font-size:13px;line-height:1.85}.primary-button{border:0;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--ink);color:var(--white);padding:13px 18px;text-decoration:none;font-size:13px;font-weight:500;line-height:1.5;min-height:44px}.primary-button:hover{background:#285b56}.primary-button svg{width:17px;height:17px}.form-actions .primary-button svg{transform:rotate(180deg)}.secondary-link{display:block;font-size:12px;line-height:1.6;margin-top:17px;color:var(--muted);text-underline-offset:3px}.print-steps{margin:0 0 20px;padding-left:20px;line-height:1.9;font-size:14px}.print-steps li{padding:0 0 10px 4px}.print-steps strong{font-weight:600}.fine-print{color:var(--muted);font-size:11px!important}.page-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.page-picker button{background:var(--paper);padding:18px 4px;border:1px solid transparent;border-radius:4px;line-height:1.6;font-size:15px}.page-picker button span{display:block;color:var(--muted);font-size:10px}.page-picker button[aria-current=page]{border-color:var(--ink)}.page-picker button:hover{background:#e8ecd9}.form-row{display:grid;grid-template-columns:1fr 1.5fr;gap:14px;margin-bottom:18px}label{display:block;font-size:12px;font-weight:500;margin:0 0 7px}input,textarea,select{border:1px solid #cbd1c5;border-radius:4px;width:100%;padding:11px 12px;background:#fffdfa;color:var(--ink);font-size:14px;line-height:1.6}select{margin-top:7px;height:45px}textarea{resize:vertical;min-height:108px;margin-bottom:16px}input::placeholder,textarea::placeholder{color:#859084;font-size:12px}.required-note{font-size:10px;color:var(--muted);font-weight:400;margin-left:9px}.form-actions{display:flex;justify-content:flex-end;align-items:center;gap:20px;margin:17px 0 0}.review-privacy{font-size:11px;line-height:1.7;color:var(--muted);margin:12px 0 0}.form-status{font-size:12px;line-height:1.8;color:var(--coral);margin:14px 0 0}.form-status.success{color:var(--ink)}.review-list-section{margin-top:29px;padding-top:20px;border-top:1px solid var(--line)}.review-list-section h3{font-size:13px;font-weight:500;margin:0 0 13px}.review-list{font-size:12px;line-height:1.8;color:var(--muted)}.review-item{padding:12px 0;border-top:1px solid #dde0d5}.review-item:first-child{border-top:0;padding-top:0}.review-item-header{font-size:10px;color:var(--muted);display:flex;justify-content:space-between;gap:15px}.review-item p{white-space:pre-wrap;word-break:break-word;color:var(--ink);font-size:13px;margin:6px 0 0;line-height:1.8}.review-item .review-version{font-size:10px;margin-top:5px}.toast{position:fixed;z-index:30;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--white);font-size:12px;line-height:1.7;padding:11px 20px;border-radius:5px;box-shadow:0 4px 16px #1c49471a;max-width:calc(100% - 32px);text-align:center}.noscript-note{padding:25px;line-height:1.8}#share-url{font-size:12px;margin-bottom:20px}
@media(min-width:1600px){.reading-area{padding:0 40px;grid-template-columns:65px minmax(0,1fr) 65px}}
@media(max-width:1000px){.shelf{padding-left:32px;padding-right:32px}.books{gap:23px}.book h2{font-size:18px}.book-links{gap:13px}.shelf-footer{font-size:11px}.reading-area{padding:0 4px;grid-template-columns:40px minmax(0,1fr) 40px}.page-turn{width:34px}.reader-toolbar{height:66px;min-height:66px}}
@media(max-width:700px){.shelf{padding:35px 25px 28px}.shelf-heading{margin-bottom:36px}.series-mark{font-size:10px}.shelf h1{font-size:41px;line-height:1.22;margin:17px 0 12px}.shelf-heading p{font-size:14px}.mobile-break{display:block}.books{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}.book-caption{padding-top:14px}.book h2{font-size:18px}.book-subject{font-size:10px}.book-links{margin-top:8px;gap:14px}.book-links a,.book-links button{font-size:11px}.shelf-footer{display:block;margin-top:45px;padding-top:17px}.shelf-footer span{display:block;margin-bottom:4px}.reader-toolbar{height:60px;min-height:60px;gap:7px;padding:0 12px}.reader-heading h1{font-size:16px}.reader-heading>span{font-size:9px}.back-button{font-size:11px;min-width:51px;gap:1px}.back-button svg{width:16px;height:16px}.toolbar-actions{min-width:70px;gap:0}.icon-button{width:35px;height:38px}.toolbar-actions .icon-button svg{width:19px;height:19px}.reading-area{padding:0 12px;display:block;position:relative}.stage{height:100%;width:100%}.picture-frame{width:100%;height:100%}.picture{box-shadow:0 2px 8px #263e3517}.page-turn{position:absolute;bottom:3px;z-index:1;width:42px;height:40px;border-radius:4px;background:#fffcf5df;border:1px solid #d6dacd60}.page-turn.previous{left:15px}.page-turn.next{right:15px}.page-turn svg{width:19px;height:19px}.page-turn:disabled{opacity:.15}.reader-footer{height:64px;min-height:64px;padding:0 14px;gap:0}.view-switch{min-width:0;gap:0}.view-switch button{padding:8px 6px;gap:3px;font-size:10px}.view-switch svg{width:16px;height:16px}.page-position{padding:10px 3px;font-size:12px;min-width:57px}.page-total{font-size:10px}.reader-footer-actions{min-width:0;gap:0}.reader-footer-actions .icon-button{width:32px}.reader-footer-actions .icon-button svg{width:18px;height:18px}.review-button{font-size:11px;padding:8px 5px;gap:4px}.review-button svg{width:16px;height:16px}.zoom-tip{bottom:68px;font-size:10px;max-width:calc(100% - 32px);padding:6px 10px}.reader-menu{top:43px;min-width:180px}.small-dialog,.review-dialog{padding:22px;max-height:calc(100svh - 24px)}.dialog-heading h2{font-size:22px}.dialog-heading .icon-button{margin-right:-7px}.form-row{gap:10px}input,textarea,select{font-size:16px}.form-actions{gap:15px}.print-steps{font-size:13px}.toast{bottom:18px}.is-zoomed .page-turn{display:none}}
@media(max-width:370px){.shelf{padding-left:20px;padding-right:20px}.books{gap:29px 19px}.book h2{font-size:16px}.book-links{gap:11px}.view-switch button span{display:none}.reader-footer{padding:0 12px}.reader-footer-actions .review-button{padding-left:8px}.reader-heading h1{font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}
@media print{body{background:white}main,.toast,dialog{display:none!important}body::after{content:"请下载 A4 折页打印版后打印：A4 横向、双面短边翻转、实际尺寸。";display:block;padding:40px;font-size:18px}}