@charset "UTF-8";
:root{--paper:#f7f5ef;--white:#fffefa;--ink:#263b33;--muted:#788178;--green:#214e42;--green-soft:#e9eee5;--orange:#c57d50;--orange-soft:#f4e8da;--line:#dddcd0;--red:#a04e3d;--shadow:0 15px 50px #243d3210;--serif:Georgia,"Times New Roman","Songti SC","STSong",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 var(--sans);-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #d09a6b;outline-offset:4px}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}button{border:0;background:none}button svg,svg.icon{width:20px;height:20px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}button svg.fill{fill:currentColor;stroke:none}[hidden]{display:none!important}.skip-link{position:fixed;top:-100px;left:20px;background:var(--green);color:white;padding:12px 20px;z-index:100}.skip-link:focus{top:10px}
.site-header{max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:26px 6%;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;gap:11px;min-width:228px}.brand-mark{width:34px;height:31px;display:flex;align-items:center;gap:3px}.brand-mark span{height:25px;width:14px;border:2px solid var(--green);border-radius:2px 7px 1px 2px;transform:skewY(12deg)}.brand-mark span:last-child{border-radius:7px 2px 2px 1px;transform:skewY(-12deg)}.brand-text{font-family:var(--serif);font-size:23px;letter-spacing:2px;font-weight:700;line-height:1.2}.brand-text small{display:block;letter-spacing:1.3px;font-family:var(--sans);font-size:9px;font-weight:500;margin-top:8px;color:var(--muted)}.main-nav{display:flex;gap:32px;font-size:14px}.main-nav a{padding:8px 0;position:relative;color:var(--muted)}.main-nav a.active{color:var(--green);font-weight:600}.main-nav a.active:after{content:"";height:2px;background:var(--green);position:absolute;bottom:0;left:0;right:0}.nav-count{display:inline-block;margin-left:6px;font-size:10px;background:var(--green-soft);border-radius:20px;padding:0 5px}.header-progress{display:flex;align-items:center;gap:8px;font-size:12px;white-space:nowrap;background:var(--green-soft);padding:9px 13px;border-radius:30px}.header-progress b{font-variant-numeric:tabular-nums}.progress-dot{height:7px;width:7px;background:var(--green);border-radius:50%}
#main{max-width:1440px;margin:auto;min-height:65vh}#main:focus{outline:none}.page-wrap{padding:46px 6% 64px}.eyebrow{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:2.2px;display:flex;align-items:center;gap:10px;color:var(--orange)}.eyebrow:before{content:"";height:1px;width:24px;background:currentColor}.hero{display:grid;grid-template-columns:1.03fr 1fr;gap:70px;align-items:center;padding-bottom:52px}.hero-copy h1{font-family:var(--serif);font-size:clamp(34px,3.6vw,51px);font-weight:500;line-height:1.32;letter-spacing:1px;margin:19px 0}.hero-copy h1 em{font-style:normal;color:var(--green);position:relative;white-space:nowrap}.hero-copy h1 em:after{position:absolute;content:"";height:7px;border-radius:10px;background:#d5dec8a0;left:1px;right:1px;bottom:0;z-index:-1}.hero-copy>p{font-size:14px;color:var(--muted);max-width:410px;line-height:1.9}.hero-steps{display:flex;align-items:center;gap:14px;margin-top:28px;font-size:12px}.hero-steps span{display:flex;align-items:center;gap:7px}.hero-steps b{border:1px solid #c4d0bf;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;font-size:10px;color:var(--green);font-weight:500}.hero-steps i{font-style:normal;color:#b8bdb2}
.featured-story{background:var(--white);border:1px solid var(--line);padding:17px;box-shadow:var(--shadow);border-radius:5px;position:relative;display:grid;grid-template-columns:43% 1fr;gap:22px;min-height:259px}.featured-cover{background:#eee9df;overflow:hidden;border-radius:2px;min-height:220px;position:relative}.featured-cover img{width:100%;height:100%;position:absolute;object-fit:cover}.featured-cover .cover-fallback{height:100%}.featured-content{padding:10px 4px 6px 0;display:flex;flex-direction:column;align-items:flex-start}.featured-kicker{font-size:10px;color:var(--orange);letter-spacing:.8px;display:flex;align-items:center;gap:5px}.featured-content h2{font-family:var(--serif);font-size:26px;line-height:1.15;margin:12px 0 9px}.featured-content p{font-size:12px;color:var(--muted);margin-bottom:17px;line-height:1.7}.featured-content .button{margin-top:auto}.tag{display:inline-flex;align-items:center;gap:5px;font-size:10px;letter-spacing:.2px;border:1px solid var(--line);padding:2px 7px;border-radius:2px;color:var(--muted)}.tag.green{background:var(--green-soft);color:var(--green);border-color:transparent}.tag.orange{background:var(--orange-soft);color:#935b35;border-color:transparent}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;background:var(--green);color:white;border-radius:3px;font-size:13px;font-weight:500;line-height:1.4;border:1px solid var(--green);transition:background .15s,transform .15s}.button:hover{background:#173e34}.button.secondary{background:transparent;color:var(--green);border:1px solid #bdc9bd}.button.secondary:hover{background:var(--green-soft)}.button.light{background:var(--white);border:1px solid var(--line);color:var(--ink)}.button.light:hover{background:#eeeee4}.button.small{font-size:12px;padding:8px 12px}.button.selected{background:var(--green-soft);color:var(--green);border-color:#bacab9}.button.danger{background:white;color:var(--red);border:1px solid #dbbeb4}.text-button{font-size:12px;color:var(--green);display:inline-flex;align-items:center;gap:5px;padding:4px 0;border-bottom:1px solid #bdc9bd}.text-button svg{width:15px;height:15px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:15px;margin-bottom:22px}.section-heading h2{font-family:var(--serif);font-size:25px;font-weight:500;line-height:1.3}.section-heading p{font-size:12px;color:var(--muted);margin-top:5px}.section-heading .mini-count{font-size:11px;color:var(--muted)}
.shelf-heading{padding-top:29px;border-top:1px solid var(--line)}.shelf-tools{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.filter-tabs{display:flex;flex-wrap:wrap;gap:7px}.filter-tabs button{padding:6px 13px;font-size:12px;border:1px solid transparent;border-radius:20px;color:var(--muted)}.filter-tabs button.active{background:var(--green);color:var(--white)}.filter-tabs button:hover:not(.active){background:#e9e9de}.shelf-select{display:flex;align-items:center;gap:10px}.shelf-select select{font-size:12px;border:0;border-bottom:1px solid var(--line);background:none;padding:6px 25px 6px 0;max-width:180px;color:var(--muted)}.search-wrap{border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px}.search-wrap svg{width:16px;height:16px;color:var(--muted)}.search-wrap input{width:145px;background:none;border:0;padding:6px 0;outline:none;font-size:12px;color:var(--ink)}.story-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:29px 23px}.story-card{min-width:0;position:relative}.story-cover-link{display:block;position:relative;aspect-ratio:1.22;background:#eae8db;border-radius:3px;overflow:hidden}.story-cover-link img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.story-cover-link:hover img{transform:scale(1.035)}.cover-badges{position:absolute;top:10px;left:10px;display:flex;gap:5px}.cover-badges .tag{background:#fffdf5ec;border:0;color:var(--green);font-size:9px;padding:3px 7px}.cover-badges .read-badge{background:var(--green);color:white}.audio-badge{position:absolute;bottom:10px;right:10px;width:24px;height:24px;display:grid;place-items:center;background:#fffdf5e6;border-radius:50%;color:var(--green)}.audio-badge svg{width:13px;height:13px}.story-card h3{font:500 22px/1.2 var(--serif);margin:14px 0 6px}.story-card .card-summary{font-size:12px;color:var(--muted);height:38px;overflow:hidden;line-height:1.65;margin-bottom:12px}.story-meta{font-size:10px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:9px;gap:5px}.story-meta .readiness{color:var(--green)}.coverage-line{height:2px;background:#e4e6dc;margin-top:8px}.coverage-line span{display:block;height:100%;background:#91a88c}.cover-fallback{display:grid;place-items:center;min-height:130px;background:var(--green-soft);color:#70876d;font:italic 22px var(--serif);text-align:center;padding:20px}.fine-note{font-size:11px;color:var(--muted);line-height:1.8}.shelf-note{margin-top:27px;border-top:1px solid var(--line);padding-top:15px;display:flex;gap:9px;align-items:start}.shelf-note svg{width:14px;height:14px;margin-top:3px;flex-shrink:0}.empty-state{padding:50px 25px;background:#efeee5;border:1px dashed #d3d6c9;text-align:center;grid-column:1/-1;border-radius:3px}.empty-state h2{font:500 25px var(--serif);margin-bottom:10px}.empty-state p{font-size:13px;color:var(--muted);max-width:450px;margin:0 auto 18px}.loading-state{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.loading-state h1{font:500 26px var(--serif);margin:20px 0 10px}.loading-state p{color:var(--muted);font-size:13px}.loading-ring{width:28px;height:28px;border-radius:50%;border:2px solid #d6decc;border-top-color:var(--green);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.story-page-wrap{padding:28px 6% 50px}.breadcrumb{display:flex;gap:10px;align-items:center;font-size:11px;color:var(--muted);margin-bottom:24px}.breadcrumb a{display:flex;align-items:center;gap:5px}.breadcrumb svg{width:13px;height:13px}.story-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.story-top h1{font:500 clamp(28px,3.6vw,42px)/1.1 var(--serif);margin:8px 0}.story-top p{font-size:12px;color:var(--muted)}.story-tabs{display:flex;gap:3px;background:#eaece2;padding:4px;border-radius:5px;flex-shrink:0}.story-tabs button{padding:8px 16px;color:var(--muted);font-size:12px;border-radius:3px}.story-tabs button.active{background:var(--white);box-shadow:0 1px 4px #15311f0d;color:var(--green)}.prepare-layout{display:grid;grid-template-columns:1fr 300px;gap:32px}.prepare-panel{border:1px solid var(--line);border-radius:4px;background:var(--white);padding:27px}.panel-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:23px}.panel-top h2{font:500 23px var(--serif);margin-bottom:6px}.panel-top p{font-size:12px;color:var(--muted)}.mini-switch{display:flex;border-bottom:1px solid var(--line);font-size:11px;white-space:nowrap;align-self:flex-start}.mini-switch button{padding:4px 7px;color:var(--muted)}.mini-switch .active{border-bottom:2px solid var(--green);color:var(--green)}.word-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.study-word{padding:14px 14px 12px;border:1px solid var(--line);border-radius:3px;display:flex;align-items:flex-start;gap:10px;position:relative;min-width:0;background:var(--paper)}.study-word.is-known{border-color:#c3d2bf;background:#eef3e9}.word-open{padding:0;flex:1;text-align:left;min-width:0}.study-word .word-en{font:600 21px/1.2 var(--serif);display:block;margin-bottom:4px;overflow-wrap:anywhere}.study-word .word-meaning{font-size:11px;color:var(--muted);display:block;line-height:1.5}.word-label{font-size:9px;color:#9b7350;display:block;margin-top:7px}.known-toggle{width:23px;height:23px;border:1px solid #c9cec1;border-radius:50%;display:grid;place-items:center;flex-shrink:0;padding:0;margin-top:2px;color:#97a18e}.known-toggle svg{width:13px;height:13px}.known-toggle.active{color:white;background:var(--green);border-color:var(--green)}.batch-navigation{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:20px;margin-top:20px;border-top:1px solid var(--line)}.batch-navigation p{font-size:11px;color:var(--muted)}.batch-navigation>div{display:flex;gap:8px}.prepare-intro{background:var(--orange-soft);border-radius:4px;padding:23px;color:#775e45;margin-bottom:18px}.prepare-intro .big-number{font:500 40px/1 var(--serif);color:#78543b;margin:12px 0}.prepare-intro h3{font-size:13px;font-weight:500}.prepare-intro p{font-size:12px;line-height:1.8;margin:10px 0 19px}.prepare-intro .button{width:100%}.sidebar-cover{aspect-ratio:1.35;overflow:hidden;border-radius:3px;margin-bottom:17px;background:#e9e6db}.sidebar-cover img{height:100%;width:100%;object-fit:cover}.phrase-list{margin-top:25px;padding-top:22px;border-top:1px solid var(--line)}.phrase-list h3,.extra-list h3{font:500 19px var(--serif);margin-bottom:12px}.pattern{padding:10px 0;border-bottom:1px dashed var(--line)}.pattern:last-child{border:0}.pattern strong{font:600 18px var(--serif);display:block}.pattern p{font-size:12px;color:var(--muted);margin-top:3px}.pattern .pattern-example{font:italic 15px/1.6 var(--serif);color:var(--green);margin-top:5px}.extra-list{margin-top:22px}.extra-list p{font-size:12px;color:var(--muted)}.extra-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.extra-chips button{background:var(--green-soft);font-size:11px;padding:5px 9px;border-radius:3px}.source-block{font-size:10px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;line-height:1.85}.source-block a{text-decoration:underline;text-underline-offset:3px}.source-block strong{font-weight:500;color:var(--ink)}.source-block p{margin-bottom:3px}.source-block details{margin-top:8px}.source-block summary{cursor:pointer}
.reader-layout{display:grid;grid-template-columns:155px minmax(0,1fr);gap:27px;align-items:start}.reader-sidebar{position:sticky;top:20px}.chapter-label{font-size:10px;color:var(--muted);letter-spacing:1px;margin-bottom:12px}.page-list{display:flex;flex-direction:column;gap:7px}.page-list button{padding:8px;display:flex;align-items:center;gap:10px;text-align:left;border:1px solid transparent;border-radius:3px;font-size:11px;color:var(--muted)}.page-list button.active{background:var(--white);border-color:var(--line);color:var(--green)}.page-list img{width:40px;height:31px;object-fit:cover;border-radius:2px}.page-list .page-dot{width:32px;height:29px;display:grid;place-items:center;background:var(--green-soft);font-family:var(--serif)}.reader-tip{padding-top:17px;margin-top:16px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);line-height:1.8}.reader-tip b{color:var(--green);font-weight:500}.reader-body{min-width:0}.story-paper{border:1px solid var(--line);border-radius:4px;background:var(--white);box-shadow:0 9px 35px #2b38290a;overflow:hidden}.reading-page{display:grid;grid-template-columns:1.05fr 1fr;min-height:380px}.page-art{background:#edeadf;display:flex;align-items:center;justify-content:center;overflow:hidden}.page-art img{width:100%;height:100%;max-height:500px;object-fit:contain}.page-art .cover-fallback{min-height:350px}.page-prose{padding:35px 30px 28px;display:flex;flex-direction:column;justify-content:center}.page-number{font-size:10px;color:var(--orange);letter-spacing:2px;margin-bottom:21px}.english-text{font:400 clamp(21px,2.2vw,29px)/1.7 var(--serif);white-space:pre-wrap;overflow-wrap:break-word}.word-token{display:inline;padding:0;color:inherit;font:inherit;border:0;border-radius:3px;text-align:inherit;line-height:inherit;transition:background .15s;text-decoration-line:underline;text-decoration-color:#b7c8b2;text-decoration-thickness:1px;text-underline-offset:5px}.word-token:hover{background:var(--orange-soft);text-decoration-color:var(--orange)}.word-token.known{text-decoration-color:transparent}.word-token.saved{background:#f4ebd2}.word-token.extra{text-decoration-style:dotted;text-decoration-color:#bc9778}.text-legend{font-size:10px;color:var(--muted);margin-top:28px}.text-legend span{border-bottom:1px solid #b7c8b2}.listening-state{text-align:center;padding:25px 0;color:var(--muted)}.listening-state .listening-bars{display:flex;align-items:center;justify-content:center;gap:5px;height:45px;margin-bottom:20px}.listening-bars i{width:4px;background:#779582;border-radius:6px;height:25px}.listening-bars i:nth-child(2n){height:40px}.listening-bars i:nth-child(3n){height:15px}.listening-state p{font:italic 22px var(--serif);margin-bottom:10px;color:var(--green)}.listening-state small{font-size:11px;display:block;margin-bottom:18px}
.audio-player{background:#edf0e6;padding:16px 22px;border-top:1px solid #dae0d2}.audio-main{display:flex;align-items:center;gap:14px}.audio-play{display:grid;place-items:center;width:39px;height:39px;flex-shrink:0;background:var(--green);color:white;border-radius:50%}.audio-play svg{width:16px;height:16px}.audio-track{flex:1;min-width:0}.audio-track-top{display:flex;justify-content:space-between;gap:10px;font-size:10px;margin-bottom:3px;color:#677767}.audio-track-top span:last-child{font-variant-numeric:tabular-nums}.audio-track input{width:100%;height:15px;margin:0;accent-color:var(--green);display:block;cursor:pointer}.audio-options{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:12px 0 0 53px;font-size:10px;color:#697968}.audio-options-left,.audio-options-right{display:flex;gap:13px;align-items:center}.audio-options button{display:flex;gap:4px;align-items:center;font-size:10px;padding:3px 0}.audio-options button[aria-pressed=true]{color:var(--green);font-weight:600}.audio-options svg{width:14px;height:14px}.speed-select{background:transparent;border:0;color:var(--green);font-size:11px;padding:3px;max-width:80px}.audio-error{font-size:11px;color:var(--red);margin-top:8px}.reader-nav{display:flex;justify-content:space-between;align-items:center;margin-top:18px;gap:12px}.reader-nav p{font-size:11px;color:var(--muted)}.reader-bottom{margin-top:28px}.quiz-panel{padding:27px;border:1px solid var(--line);background:var(--white);border-radius:4px;margin-top:25px}.quiz-panel .eyebrow{margin-bottom:10px}.quiz-panel h2{font:500 25px var(--serif);margin-bottom:7px}.quiz-panel>p{font-size:12px;color:var(--muted)}.quiz-item{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.quiz-item h3{font-size:14px;font-weight:500;margin-bottom:12px}.quiz-options{display:grid;gap:7px}.quiz-option{text-align:left;border:1px solid var(--line);background:var(--paper);padding:11px 13px;border-radius:3px;font-size:13px;display:flex;gap:9px}.quiz-option span{font-size:11px;width:20px;height:20px;border:1px solid #cbd0c3;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.quiz-option.correct{background:#e9f1e4;border-color:#a9c49f;color:var(--green)}.quiz-option.incorrect{background:#f8eae3;border-color:#d9b2a2;color:var(--red)}.quiz-feedback{font-size:12px;line-height:1.8;padding:13px;background:var(--green-soft);margin-top:9px;color:var(--green)}.quiz-feedback.wrong{background:var(--orange-soft);color:#875b3d}.completion-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:23px;padding-top:20px;border-top:1px solid var(--line)}.completion-bar p{font-size:11px;color:var(--muted);max-width:390px}.completion-bar .button{flex-shrink:0}
.drawer-backdrop{position:fixed;inset:0;background:#18362d4a;z-index:50;backdrop-filter:blur(2px)}.word-drawer{position:fixed;top:0;right:0;bottom:0;width:min(470px,100%);padding:28px 29px;background:var(--white);z-index:51;box-shadow:-8px 0 50px #14271f20;overflow-y:auto;overscroll-behavior:contain}.drawer-head{display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:1px;color:var(--muted);margin-bottom:23px}.icon-button{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--line);border-radius:50%;padding:0}.icon-button svg{width:16px;height:16px}.drawer-word{font:600 44px/1.12 var(--serif);overflow-wrap:anywhere;margin:10px 0}.drawer-ipa{font:17px/1.5 var(--serif);color:var(--muted);margin-bottom:12px}.drawer-meaning{font-size:14px;line-height:1.8}.context-note{font-size:12px;background:var(--orange-soft);padding:10px 13px;margin-top:16px;color:#845f43;border-radius:3px}.mnemonic-block{margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}.mnemonic-block h3{font-size:11px;letter-spacing:1px;color:var(--green);margin-bottom:10px}.mnemonic-text{font-size:15px;line-height:1.95;white-space:pre-wrap}.mnemonic-image{background:white;border:1px solid var(--line);border-radius:3px;padding:10px;margin-top:17px}.mnemonic-image img{max-height:300px;object-fit:contain;width:100%}.mnemonic-image figcaption{font-size:10px;color:var(--muted);margin-top:6px;text-align:center}.mnemonic-image{margin-left:0;margin-right:0}.dependency-block{padding-top:18px;margin-top:18px;border-top:1px dashed var(--line)}.dependency-block p{font-size:11px;color:var(--muted);margin-bottom:9px}.dependency-buttons{display:flex;flex-wrap:wrap;gap:7px}.dependency-buttons button{font:15px var(--serif);border:1px solid #c6d0bf;border-radius:3px;padding:6px 10px;background:var(--green-soft);color:var(--green)}.drawer-example{font-size:12px;border-top:1px solid var(--line);padding-top:17px;margin-top:20px;color:var(--muted)}.drawer-example .en{font:17px/1.6 var(--serif);color:var(--ink);margin-bottom:3px}.drawer-family{font-size:12px;color:var(--muted);margin-top:16px;line-height:1.8}.drawer-actions{position:sticky;bottom:-29px;background:var(--white);padding:18px 0 22px;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;border-top:1px solid var(--line)}.drawer-actions .button{font-size:12px}.drawer-footnote{font-size:10px;color:var(--muted);margin-top:5px}.drawer-back{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--green);margin-top:-9px;margin-bottom:20px}.drawer-back svg{width:13px;height:13px}.drawer-section-label{font-size:10px;color:var(--orange);letter-spacing:1px}
.saved-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.saved-head h1,.path-header h1{font:500 38px/1.3 var(--serif);margin:10px 0}.saved-head p,.path-header p{font-size:13px;color:var(--muted);line-height:1.9;max-width:650px}.saved-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.saved-card{background:var(--white);border:1px solid var(--line);border-radius:3px;padding:19px;display:flex;flex-direction:column;gap:9px}.saved-card h2{font:600 25px var(--serif)}.saved-card p{font-size:12px;color:var(--muted)}.saved-card .saved-card-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:9px;border-top:1px solid var(--line);margin-top:auto}.saved-card .button{font-size:11px}.path-header{margin-bottom:34px}.path-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.path-step{background:var(--white);border:1px solid var(--line);border-radius:4px;padding:25px}.path-step .step-number{font:italic 37px var(--serif);color:#a8b8a0;line-height:1;margin-bottom:18px}.path-step h2{font:500 23px var(--serif);margin-bottom:12px}.path-step p{font-size:13px;color:var(--muted);line-height:1.9}.path-step .step-caption{font-size:10px;letter-spacing:1px;color:var(--orange);margin-top:20px}.path-note{margin:30px 0;background:var(--green-soft);padding:24px 29px;border-radius:4px;display:flex;align-items:center;justify-content:space-between;gap:25px}.path-note h2{font:500 23px var(--serif);margin-bottom:8px}.path-note p{font-size:13px;color:#687a67}.path-note .button{white-space:nowrap}.path-stories{display:grid;gap:10px}.path-story-row{display:flex;align-items:center;gap:17px;padding:13px 17px;background:var(--white);border:1px solid var(--line);border-radius:3px}.path-story-row .order{font:italic 23px var(--serif);color:#a7b49b;width:26px;text-align:center}.path-story-row img{width:65px;height:48px;object-fit:cover;border-radius:2px}.path-story-row .path-story-title{flex:1}.path-story-row h3{font:500 20px var(--serif)}.path-story-row p{font-size:11px;color:var(--muted);margin-top:3px}.path-story-row .button{font-size:11px}.source-catalog{margin-top:36px}.source-catalog details{border-top:1px solid var(--line);padding:15px 0}.source-catalog summary{cursor:pointer;font-size:13px}.source-catalog p{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.85}.source-catalog a{text-decoration:underline;color:var(--green);text-underline-offset:3px}
.wordbook-tools{margin-bottom:21px}.wordbook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.wordbook-card{background:var(--white);border:1px solid var(--line);border-radius:3px;padding:17px;min-width:0;display:flex;flex-direction:column}.wordbook-card-top{display:flex;align-items:start;gap:9px}.wordbook-card .word-open{font:600 26px/1.2 var(--serif);overflow-wrap:anywhere}.wordbook-card .word-number{font-size:9px;color:var(--muted);margin-bottom:8px}.wordbook-card>p{font-size:12px;color:var(--muted);margin:8px 0 13px;line-height:1.7}.word-story-links{border-top:1px solid var(--line);padding-top:10px;font-size:10px;color:var(--muted);margin-top:auto}.word-story-links a{font:13px/1.6 var(--serif);color:var(--green);text-decoration:underline;text-underline-offset:3px;display:inline}.word-story-links>span{display:block;margin-bottom:4px}.word-story-links .story-link-gap{display:inline;padding:0 5px;color:#b1baab}.wordbook-pagination{display:flex;justify-content:space-between;align-items:center;padding-top:23px;margin-top:23px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);gap:15px}.wordbook-pagination>div{display:flex;gap:8px}.drawer-related{border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.drawer-related h3{font-size:11px;color:var(--green);margin-bottom:9px;font-weight:500}.drawer-related>p{font-size:12px;color:var(--muted)}.drawer-related a{display:block;padding:7px 0;font:17px/1.5 var(--serif);color:var(--green)}.story-reader-note{font-size:12px;border-left:3px solid var(--orange);background:var(--orange-soft);padding:11px 14px;margin:-4px 0 21px;color:#805d41}.wordbook-search input{width:235px}
.more-form-notes{font-size:12px;margin-top:14px}.more-form-notes summary{cursor:pointer;color:var(--green);padding:8px 0;text-decoration:underline;text-underline-offset:4px}.form-notes>.fine-note{margin-bottom:10px}
.coverage-caption{font-size:9px;color:var(--muted);margin-top:5px;letter-spacing:.1px}
.context-meaning{padding:12px 14px;border-radius:3px;background:var(--green-soft);margin:13px 0}.context-meaning span{display:block;font-size:10px;color:var(--green);margin-bottom:4px}.context-meaning strong{font-weight:500;font-size:15px;line-height:1.7}
.settings-dialog{border:1px solid var(--line);border-radius:6px;padding:29px;max-width:540px;width:calc(100% - 32px);max-height:90vh;background:var(--white);color:var(--ink);box-shadow:var(--shadow)}.settings-dialog::backdrop{background:#18362d4a;backdrop-filter:blur(2px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.dialog-header h2{font:500 26px var(--serif)}.settings-dialog p{font-size:12px;color:var(--muted);line-height:1.85}.settings-stats{display:grid;grid-template-columns:repeat(3,1fr);margin:22px 0;background:var(--green-soft);border-radius:4px}.settings-stats div{text-align:center;padding:17px 5px}.settings-stats b{display:block;font:500 30px var(--serif);color:var(--green)}.settings-stats span{font-size:10px;color:var(--muted)}.settings-section{border-top:1px solid var(--line);padding-top:19px;margin-top:20px}.settings-section h3{font-size:13px;font-weight:500;margin-bottom:7px}.settings-buttons{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.settings-dialog .button{font-size:12px}.import-status{font-size:12px;line-height:1.7;margin-top:12px}.import-status.error{color:var(--red)}.import-status.success{color:var(--green)}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:100;max-width:calc(100% - 35px);padding:11px 20px;background:var(--green);color:white;box-shadow:0 5px 24px #17352a26;border-radius:4px;font-size:12px;text-align:center}.site-footer{max-width:1440px;margin:auto;border-top:1px solid var(--line);padding:23px 6%;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px;line-height:1.8}.site-footer button{font-size:10px;color:var(--muted);padding:0}.footer-dot{padding:0 7px}
@media(min-width:1441px){.site-header,.site-footer{padding-left:86px;padding-right:86px}.page-wrap{padding-left:86px;padding-right:86px}.story-page-wrap{padding-left:86px;padding-right:86px}}
@media(max-width:1100px){.site-header{padding:23px 4%;gap:16px}.page-wrap{padding:36px 4% 50px}.story-page-wrap{padding:25px 4% 40px}.main-nav{gap:22px}.brand{min-width:210px}.brand-text{font-size:21px}.hero{gap:35px}.hero-copy h1{font-size:37px}.featured-story{gap:15px;padding:13px}.featured-content h2{font-size:24px}.story-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:27px 20px}.prepare-layout{grid-template-columns:1fr 265px;gap:23px}.prepare-panel{padding:22px}.word-list{gap:8px}.study-word{padding:12px}.reader-layout{grid-template-columns:110px 1fr;gap:17px}.page-list button{gap:7px}.page-list img{width:30px;height:25px}.page-prose{padding:28px 24px}.english-text{font-size:24px}.site-footer{padding:22px 4%}}
@media(max-width:800px){.site-header{flex-wrap:wrap;gap:13px 20px;padding:20px 5% 0}.brand{order:1;min-width:0}.header-progress{order:2;margin-left:auto}.main-nav{order:3;width:100%;justify-content:center;gap:38px;margin-top:3px;font-size:12px}.main-nav a{padding:11px 0 12px}.brand-text{font-size:20px}.brand-text small{font-size:8px;letter-spacing:1px;margin-top:7px}.brand-mark{transform:scale(.9);width:30px}.page-wrap{padding:32px 5% 42px}.hero{grid-template-columns:1fr;gap:28px;padding-bottom:35px}.hero-copy h1{font-size:38px;margin:16px 0}.hero-copy>p{max-width:500px}.hero-steps{margin-top:20px}.featured-story{grid-template-columns:35% 1fr;min-height:205px;max-width:600px;padding:15px;gap:23px}.featured-cover{min-height:185px}.featured-content{padding:8px 10px 5px 0}.featured-content h2{font-size:30px;margin:9px 0}.featured-content p{font-size:12px;margin-bottom:13px}.shelf-heading{padding-top:24px}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 19px}.shelf-tools{align-items:flex-start;flex-direction:column;gap:16px}.shelf-select{width:100%;justify-content:space-between}.search-wrap input{width:200px}.filter-tabs{gap:3px}.filter-tabs button{font-size:11px;padding:5px 11px}.story-page-wrap{padding:23px 5% 38px}.story-top{align-items:flex-start;flex-direction:column;gap:16px}.story-top h1{font-size:36px}.story-tabs{align-self:stretch;justify-content:space-between}.story-tabs button{flex:1}.prepare-layout{grid-template-columns:1fr;gap:20px}.prepare-aside{display:grid;grid-template-columns:1fr 1fr;gap:17px}.prepare-intro{margin-bottom:0}.prepare-aside .source-block{grid-column:1/-1}.sidebar-cover{margin:0;height:100%;aspect-ratio:auto;min-height:190px}.prepare-aside .source-block{font-size:10px}.reader-layout{display:block}.reader-sidebar{position:static;margin-bottom:16px}.chapter-label{display:none}.page-list{flex-direction:row;overflow-x:auto;padding-bottom:2px;gap:5px}.page-list button{flex-shrink:0;white-space:nowrap;font-size:10px;padding:6px 8px}.page-list img{width:25px;height:22px}.page-list .page-dot{width:20px;height:20px}.reader-tip{display:none}.reading-page{min-height:340px}.page-prose{padding:25px 22px}.english-text{font-size:23px}.page-art img{max-height:430px}.saved-list{grid-template-columns:repeat(2,minmax(0,1fr))}.path-steps{gap:12px}.path-step{padding:18px}.path-step h2{font-size:20px}.path-step p{font-size:12px}.path-note{padding:23px;align-items:start;flex-direction:column;gap:16px}.site-footer{padding:21px 5%;font-size:9px}.site-footer button{font-size:9px}}
@media(max-width:540px){.site-header{padding-top:16px}.header-progress{font-size:10px;padding:7px 10px}.brand{gap:7px}.brand-text{font-size:19px;letter-spacing:1px}.brand-text small{font-size:7px;letter-spacing:1px}.brand-mark{width:27px}.main-nav{gap:35px}.hero-copy h1{font-size:34px}.hero-copy>p{font-size:13px}.hero-steps{gap:9px;font-size:10px}.hero-steps b{width:20px;height:20px}.featured-story{gap:16px;min-height:190px}.featured-cover{min-height:165px}.featured-content{padding:5px 0}.featured-content h2{font-size:25px}.featured-content p{font-size:11px}.featured-content .button{font-size:11px;padding:9px 12px}.featured-kicker{font-size:9px}.story-grid{gap:25px 15px}.story-card h3{font-size:22px;margin-top:11px}.story-card .card-summary{font-size:11px;height:36px;margin-bottom:10px}.story-meta{font-size:9px;align-items:start;flex-direction:column;gap:2px}.cover-badges{left:7px;top:7px}.cover-badges .tag{font-size:8px;padding:2px 5px}.story-cover-link{aspect-ratio:1.05}.section-heading h2{font-size:24px}.section-heading .mini-count{font-size:10px}.filter-tabs button{padding:5px 9px}.search-wrap input{width:145px}.shelf-select{gap:16px}.shelf-select select{max-width:145px;font-size:11px}.shelf-note{font-size:10px}.panel-top{flex-direction:column;gap:13px}.prepare-panel{padding:19px 16px}.word-list{grid-template-columns:1fr 1fr}.study-word{padding:12px 10px;gap:6px}.study-word .word-en{font-size:20px}.study-word .word-meaning{font-size:10px}.known-toggle{width:20px;height:20px}.known-toggle svg{width:11px;height:11px}.word-label{font-size:8px}.batch-navigation{flex-wrap:wrap}.batch-navigation p{font-size:10px}.batch-navigation .button{font-size:10px;padding:7px 9px}.prepare-aside{grid-template-columns:1fr}.sidebar-cover{display:none}.prepare-intro{padding:20px}.prepare-intro .big-number{font-size:36px;margin:10px 0}.prepare-intro .button{width:auto}.prepare-intro p{margin-bottom:14px}.story-top h1{font-size:34px}.reading-page{display:flex;flex-direction:column;min-height:0}.page-art{height:255px}.page-art img{max-height:255px;width:100%;height:100%}.page-art .cover-fallback{min-height:255px;width:100%}.page-prose{padding:23px 24px 27px;min-height:195px}.page-number{font-size:9px;margin-bottom:13px}.english-text{font-size:25px;line-height:1.65}.text-legend{font-size:9px;margin-top:18px}.audio-player{padding:14px 16px}.audio-main{gap:12px}.audio-options{margin-left:0;font-size:9px;margin-top:10px}.audio-options-left,.audio-options-right{gap:12px}.audio-options button{font-size:10px}.audio-track-top{font-size:9px}.audio-play{width:35px;height:35px}.reader-nav .button{font-size:11px;padding:9px 11px}.reader-nav p{font-size:10px}.quiz-panel{padding:23px 18px}.quiz-panel h2{font-size:23px}.completion-bar{align-items:start;flex-direction:column}.completion-bar .button{width:100%}.saved-head{align-items:start;flex-direction:column;gap:14px}.saved-head h1,.path-header h1{font-size:32px}.saved-list{grid-template-columns:1fr}.saved-card{padding:18px}.path-steps{grid-template-columns:1fr;gap:12px}.path-step{position:relative;padding:22px 22px 22px 76px}.path-step .step-number{position:absolute;left:22px;top:24px;font-size:32px}.path-step h2{font-size:22px}.path-step .step-caption{margin-top:12px}.path-header p{font-size:12px}.path-note{padding:22px}.path-note h2{font-size:22px}.path-note p{font-size:12px}.path-story-row{gap:11px;padding:12px}.path-story-row img{width:46px;height:40px}.path-story-row .order{font-size:18px;width:18px}.path-story-row h3{font-size:18px}.path-story-row p{font-size:10px}.path-story-row .button{font-size:10px;padding:7px 9px}.path-story-row .button svg{display:none}.word-drawer{padding:23px}.drawer-word{font-size:42px}.drawer-actions{bottom:-23px}.mnemonic-text{font-size:14px}.site-footer{flex-direction:column;gap:5px}.site-footer button{text-align:left}.settings-dialog{padding:23px}.settings-buttons{gap:8px}.settings-buttons .button{font-size:11px;padding:10px 12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.word-drawer,.drawer-backdrop,.reader-sidebar,.audio-player,.reader-nav,.story-tabs,.breadcrumb{display:none}.page-wrap,.story-page-wrap{padding:0}.reader-layout{display:block}.story-paper{box-shadow:none}.reading-page{break-inside:avoid}.page-art{height:auto}.page-prose{min-height:0}.word-token{text-decoration:none}body{background:white}}
@media(max-width:1100px){.main-nav{gap:20px}.wordbook-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.main-nav{gap:30px}.wordbook-card .word-open{font-size:24px}}
@media(max-width:540px){.main-nav{gap:23px;font-size:11px}.wordbook-grid{grid-template-columns:1fr 1fr;gap:10px}.wordbook-card{padding:13px}.wordbook-card .word-open{font-size:21px}.wordbook-card>p{font-size:11px}.word-story-links{font-size:9px}.word-story-links a{font-size:12px}.wordbook-search{width:100%}.wordbook-search input{width:100%}.wordbook-pagination{font-size:10px;flex-wrap:wrap}.wordbook-pagination .button{font-size:10px}.story-reader-note{font-size:11px}}
.course-switch { display: flex; flex: 0 0 auto; gap: 4px; padding: 4px; border-radius: 10px; background: #edf1ed; }
.course-switch a { padding: 6px 10px; border-radius: 7px; text-decoration: none; color: #466159; font-size: 13px; white-space: nowrap; }
.course-switch a[aria-current="true"] { color: #fff; background: #214e42; }
.course-switch a:focus-visible { outline: 3px solid #bb8a49; outline-offset: 2px; }
.course-preparation { max-width: 620px; margin: 70px auto; padding: 28px; line-height: 1.8; }
.course-preparation .button { display: inline-flex; margin-top: 14px; }
@media(max-width: 560px) { .course-switch a { padding: 5px 8px; }.course-preparation { margin: 25px auto; padding: 20px; } }
.course-scope-note { margin-top: 24px; margin-bottom: -12px; padding: 16px 20px; border-left: 3px solid var(--green, #285447); background: #eef3ee; }
.course-scope-note p { margin: 5px 0 0; line-height: 1.6; }
.memory-figure-trigger { display:block; width:100%; padding:0; border:0; background:white; cursor:zoom-in; }
.memory-figure-trigger img { display:block; width:100%; height:auto; }
.memory-figure-trigger:focus-visible { outline:3px solid #bb8a49; outline-offset:3px; }
.memory-figure-dialog { width:min(1100px,calc(100vw - 24px)); height:min(900px,calc(100dvh - 24px)); max-width:calc(100vw - 24px); max-height:calc(100dvh - 24px); padding:16px; border:1px solid var(--line); border-radius:10px; background:var(--white); color:var(--ink); box-sizing:border-box; overflow:hidden; }
.memory-figure-dialog[open] { display:flex; flex-direction:column; gap:10px; }
.memory-figure-dialog::backdrop { background:#10271fd9; }
.memory-figure-header { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.memory-figure-header h2 { font-size:17px; line-height:1.4; margin:0; }
.memory-figure-header .button { flex-shrink:0; }
.memory-figure-controls { display:flex; align-items:center; flex-wrap:wrap; gap:8px; }
.memory-figure-controls .button { min-width:44px; min-height:44px; padding:8px 12px; }
.memory-figure-scale { min-width:46px; text-align:center; font-size:13px; }
.memory-figure-hint { margin:0; font-size:12px; line-height:1.6; color:var(--muted); }
.memory-figure-viewport { flex:1; min-height:0; width:100%; overflow:auto; overscroll-behavior:contain; touch-action:pan-x pan-y pinch-zoom; border:1px solid var(--line); background:white; }
.memory-figure-viewport img { display:block; max-width:none; height:auto; }
@media(max-width:540px) { .memory-figure-dialog { padding:12px; }.memory-figure-header h2 { font-size:15px; } }