:root{--page:#f7f8f2;--paper:#fffefa;--ink:#233c32;--muted:#68736a;--green:#2e5946;--green-hover:#244936;--sage:#e8eedc;--line:#e2e6dc;--warm:#f6eddc;--blue:#edf1f1;--danger:#a44337;--radius:20px;--body:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--serif:Georgia,"Times New Roman",serif}
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span{pointer-events:none}.icon{width:20px;height:20px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}.skip{position:fixed;top:-60px;left:20px;padding:12px;background:var(--paper);z-index:50}.skip:focus{top:8px}.site-header{height:88px;border-bottom:1px solid var(--line);background:var(--page)}.header-inner{max-width:1224px;height:100%;margin:auto;padding:0 36px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:650;white-space:nowrap}.brand-icon{display:grid;place-items:center;width:42px;height:42px;background:var(--green);color:#f4f7ee;border-radius:13px}.brand-icon svg{width:27px;height:27px}.brand small{font-size:13px;font-weight:400;margin-left:12px;color:var(--muted);font-family:var(--serif);letter-spacing:.4px}.desktop-nav{display:flex;align-items:center;gap:6px}.nav-btn{min-height:44px;border:0;background:none;padding:10px 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.sentence{font-size:23px;line-height:1.65;min-height:0;color:var(--ink)}.review-context .source{font-size:11px;color:var(--muted);margin-top:15px}.note-line{font-size:13px;color:var(--muted);margin-top:20px;display:flex;gap:9px;align-items:flex-start}.note-line .icon{width:17px;height:20px}.review-actions{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:12px;margin-top:25px}.review-actions .btn{flex-direction:column;gap:0;padding:12px 8px;line-height:1.6}.review-actions .btn small{font-size:10px;font-weight:400;opacity:.8}.review-hint{text-align:center;color:var(--muted);font-size:11px;margin:22px 0}.session-finish{padding:65px 25px;text-align:center;background:var(--sage);border-radius:24px}.session-finish>.icon{margin:0 auto 18px;width:46px;height:46px}.session-finish h2{font-size:27px;font-weight:550}.session-finish p{color:#59674b;margin:12px 0 27px;font-size:14px}.session-finish .btn{margin:5px}.session-undo{font-size:12px;color:var(--green);border:0;background:none;min-height:44px;padding:8px}dialog{border:1px solid var(--line);padding:0;border-radius:24px;background:var(--paper);color:var(--ink);width:630px;max-width:calc(100% - 32px);max-height:90dvh;box-shadow:0 24px 100px #182c242b}dialog::backdrop{background:#25352c66;backdrop-filter:blur(3px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 26px 13px;position:sticky;top:0;background:var(--paper);z-index:2}.dialog-header h2{font-size:21px;font-weight:600}.dialog-body{padding:0 28px 28px}.dialog-subtitle{font-size:13px;color:var(--muted);margin:0 0 21px}.form-row{margin:19px 0}.form-row label{display:block;font-size:13px;font-weight:550;margin-bottom:8px}.form-row label small{font-weight:400;color:var(--muted);margin-left:8px}.field-hint{font-size:11px;color:var(--muted);margin-top:6px}.form-row input{font-size:14px}.segmented{display:flex;padding:4px;background:#ecefe5;border-radius:11px;gap:4px;margin:18px 0}.segmented button{flex:1;min-height:42px;border:0;background:none;font-size:13px;color:var(--muted);border-radius:8px}.segmented button.active{background:var(--paper);color:var(--green);box-shadow:0 2px 5px #293c2710}.form-footer{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:23px}.form-footer .muted{font-size:11px}.error{font-size:13px;color:var(--danger);margin-top:10px}.token-area{border:1px solid var(--line);border-radius:12px;padding:14px;margin-top:14px;background:#f5f6ed;line-height:2.2;font-family:var(--serif);font-size:18px}.token{display:inline-block;font-family:inherit;font-size:inherit;line-height:1.5;border:0;background:transparent;padding:5px 3px;margin:2px 1px;border-radius:5px;min-height:40px}.token.selected{background:#d2e1bc;color:var(--green)}.selected-word{display:grid;grid-template-columns:110px 1fr 38px;gap:10px;align-items:center;margin:10px 0}.selected-word strong{font:19px var(--serif);overflow-wrap:anywhere}.selected-word input{font-size:13px;padding:9px}.selected-word .icon-btn{width:38px}.detail-hero{padding:7px 0 20px}.detail-hero .word{font-size:42px}.detail-hero .meaning{font-size:16px}.detail-context{background:var(--sage);padding:20px;border-radius:14px}.detail-context .sentence{font-size:20px;min-height:0}.detail-meta{margin-top:15px;font-size:12px;color:var(--muted)}.detail-note{margin:20px 0;font-size:13px;color:var(--muted);background:#f4f0e5;padding:14px;border-radius:10px}.encounter{padding:13px 0;font-size:13px}.encounter .sentence{min-height:0;margin-top:6px}.detail-actions{display:flex;gap:8px;justify-content:space-between;margin-top:25px}.about-mark{width:55px;height:55px;background:var(--green);color:white;display:grid;place-items:center;border-radius:17px;margin:5px 0 20px}.about-mark .icon{width:31px;height:31px}.info-box{background:var(--sage);padding:17px;border-radius:12px;font-size:13px;line-height:1.9;margin:18px 0}.settings-choice{display:flex;align-items:center;gap:10px;padding:13px 15px;margin:8px 0;border:1px solid var(--line);border-radius:10px;font-size:14px}.settings-choice input{width:18px;accent-color:var(--green)}#toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,16px);z-index:100;background:var(--green);color:white;padding:12px 22px;border-radius:12px;font-size:13px;box-shadow:0 5px 25px #19332620;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:90vw;text-align:center}#toast.show{opacity:1;transform:translate(-50%,0)}.loading-fail{padding:30px}.sample-note{font-size:10px;color:var(--muted)}
@media(min-width:1400px){#main{padding-top:48px}.page-intro{margin-bottom:34px}.review-banner{min-height:265px}}
@media(max-width:1050px){.header-inner{padding:0 24px;gap:12px}.brand small{display:none}.header-actions{gap:12px}.desktop-nav .nav-btn{padding:10px 14px}#main{padding:32px 24px}.overview,.content-layout{grid-template-columns:minmax(0,1fr) 260px;gap:20px}.book-art{width:145px;transform:scale(.9);transform-origin:right}.review-banner{padding:25px}.review-banner h2{font-size:22px}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.word-card{padding:15px}.word{font-size:25px}.stats{gap:25px}}
@media(max-width:760px){.site-header{height:73px}.header-inner{padding:0 20px}.brand{font-size:23px;gap:9px}.brand-icon{width:37px;height:37px;border-radius:12px}.brand-icon svg{width:25px;height:25px}.brand small{display:inline;font-size:12px;margin-left:9px}.desktop-nav,.desktop-add{display:none}.demo-badge{font-size:9px;letter-spacing:1px}.demo-badge span{font-size:10px}#main{padding:28px 20px 126px;min-height:calc(100dvh - 73px)}.page-intro{margin-bottom:24px}.page-intro h1{font-size:27px;letter-spacing:-.7px;margin:7px 0 5px}.page-intro p{font-size:12px}.eyebrow{font-size:9px;letter-spacing:1.8px}.date-label{display:none}.overview{display:flex;flex-direction:column;gap:15px}.review-banner{padding:24px;min-height:230px;border-radius:19px}.review-banner h2{font-size:22px;line-height:1.65;letter-spacing:-.4px}.review-banner p{font-size:11px;margin:8px 0 18px}.banner-kicker{font-size:11px;margin-bottom:12px}.book-art{width:116px;height:160px;transform:scale(.76);margin:0 -13px 0 -17px;transform-origin:right center}.art-sheet{left:0}.art-sheet.back{left:-12px}.art-leaf{right:-25px}.summary-card{padding:16px 18px;border-radius:15px;display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:center}.summary-title{display:none}.stats{margin:0;gap:22px}.stat strong{font-size:30px}.stat span{font-size:10px}.week{gap:3px}.day-circle{width:21px;height:21px;font-size:9px}.day-cell{font-size:9px}.content-layout{display:block}.section-heading{margin:25px 0 12px}.section-heading h2{font-size:16px}.text-link{font-size:12px}.entry-grid{grid-template-columns:1fr;gap:12px}.word-card{padding:18px 20px}.word{font-size:29px}.word-top>.icon-btn{width:44px;height:44px;margin-right:-7px}.meaning{font-size:13px;margin:6px 0 11px}.sentence{font-size:16px;min-height:0}.card-footer{font-size:10px;margin-top:13px}.trail{margin-top:7px}.trail-list{gap:7px}.trail-item{padding:10px 0}.trail-text strong{font-size:13px}.trail-text span{font-size:11px}.quiet-note{display:none}.page-footer{margin-top:26px;flex-direction:column;gap:3px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;background:#fafbf6f5;backdrop-filter:blur(15px);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:9px 15px calc(9px + env(safe-area-inset-bottom));z-index:10}.mobile-nav .nav-btn{flex-direction:column;gap:3px;font-size:10px;padding:6px 30px;min-height:53px;border-radius:10px;background:transparent}.mobile-nav .nav-btn .icon{width:22px;height:22px}.mobile-nav .nav-btn.active{color:var(--green);background:#eaf0df}.mobile-add{display:flex;position:fixed;bottom:calc(92px + env(safe-area-inset-bottom));right:20px;align-items:center;justify-content:center;z-index:9;width:51px;height:51px;border:0;border-radius:17px;background:var(--green);color:white;box-shadow:0 6px 18px #284d3a28}.mobile-add .icon{width:24px;height:24px}#toast{bottom:calc(88px + env(safe-area-inset-bottom));font-size:12px;padding:11px 17px}.library-toolbar{flex-wrap:wrap;gap:10px}.search-wrap{flex-basis:100%}.library-toolbar select{max-width:none;width:100%;font-size:12px}.filter-row{gap:13px;margin-bottom:16px}.pill{padding:9px 13px;font-size:11px;min-height:40px}.sort-toggle{margin-left:auto}.sort-toggle button{font-size:11px;padding:7px}.library-grid{grid-template-columns:1fr;gap:12px}.group-title{margin-top:21px;font-size:12px;align-items:flex-start}.group-title span{font-size:10px}.review-wrap{max-width:none}.review-card{padding:25px 23px;border-radius:20px}.review-card .word{font-size:40px}.review-card .meaning{font-size:15px;margin:12px 0 23px}.review-context{padding:18px}.review-context .sentence{font-size:21px}.review-actions{gap:8px;margin-top:18px}.review-actions .btn{font-size:12px;min-height:64px}.review-actions .btn small{font-size:9px}.review-topline{margin-top:12px}.review-hint{font-size:10px}.note-line{font-size:12px}.session-finish{padding:45px 20px}.session-finish h2{font-size:24px}.page-intro>.btn{font-size:11px;min-height:42px;padding:8px 11px}.page-intro>.btn .icon{width:15px;height:15px}dialog{max-width:calc(100% - 20px);max-height:92dvh;width:100%;border-radius:20px}.dialog-header{padding:16px 18px 10px}.dialog-header h2{font-size:19px}.dialog-body{padding:0 21px 24px}.dialog-subtitle{font-size:12px}.dialog-body input,.dialog-body textarea{font-size:16px}.selected-word{grid-template-columns:86px 1fr 30px;gap:7px}.selected-word strong{font-size:17px}.selected-word input{font-size:16px}.selected-word .icon-btn{width:30px}.form-footer{align-items:center;gap:8px}.form-footer .btn{padding:11px 14px;font-size:12px}.form-footer>.muted{max-width:47%;font-size:10px}.detail-hero .word{font-size:37px}.detail-actions{flex-wrap:wrap}.empty{padding:46px 16px}.empty h2{font-size:18px}}
@media(max-width:760px){.page-intro{flex-wrap:wrap;gap:12px}.page-intro>div:first-child{flex-basis:100%}.page-intro>.btn{margin-left:auto;flex-shrink:0;white-space:nowrap}.review-card .word{font-size:clamp(29px,10vw,40px)}.review-wrap .word-top{align-items:center}.review-wrap .word-top>.word{min-width:0}.book-art{margin-right:6px}.art-leaf{right:-8px}}
@media(max-width:360px){.header-inner{padding:0 15px}.brand small{display:none}#main{padding-left:15px;padding-right:15px}.book-art{display:none}.summary-card{grid-template-columns:1fr;gap:16px}.week{max-width:270px}.stats{gap:36px}.review-banner{min-height:220px}.mobile-nav .nav-btn{padding-inline:24px}}
@media(max-width:760px){.book-art{width:90px;transform:scale(.68)}.stats{gap:12px}.stat span{white-space:nowrap}.week{gap:1px}.day-circle{width:18px;height:21px}.day-cell{min-width:18px}.summary-card{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
body[data-page="review"] .mobile-add{display:none}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}