:root{font-family:"Microsoft JhengHei","Noto Sans TC",system-ui,sans-serif;color:#233b44;background:#f5f7f5}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #1e7b79}.lock-screen{min-height:100vh;display:grid;grid-template-columns:1fr 430px;gap:55px;align-items:center;max-width:1160px;margin:auto;padding:45px}.brand-mark,.top-brand{display:flex;align-items:center;gap:12px;font-weight:800}.brand-mark img,.top-brand img{border-radius:10px}.hero-kicker,.eyebrow{letter-spacing:2px;font-size:11px;color:#318175;font-weight:800}.lock-intro h1{font-size:clamp(30px,4.8vw,58px);line-height:1.25;letter-spacing:-2px}.lock-intro h1 em{font-style:normal;color:#218075}.lock-intro p{line-height:1.9;color:#637c7f}.hero-features{display:flex;gap:10px;flex-wrap:wrap}.hero-features span{background:#e0eeeb;border-radius:18px;padding:8px 13px;font-size:12px}.unlock-card,.reading-block,.summary-card,.more-details{background:white;border:1px solid #e0e9e6;border-radius:20px;padding:25px;box-shadow:0 8px 28px #3654530a}.unlock-card h2{font-size:24px}.unlock-card p{color:#647b7e;line-height:1.8}.unlock-card label{display:block;margin:15px 0 7px;font-size:12px;font-weight:800}.password-row{display:flex;border:1px solid #c5d8d5;border-radius:12px;overflow:hidden}.password-row input{width:100%;padding:14px;border:0;min-width:0}.password-row button{border:0;padding:0 15px;background:#ebf1f0}.primary-button{width:100%;padding:15px;background:#1e7777;color:white;border:0;border-radius:12px;font-weight:800;margin-top:14px}.form-message{min-height:20px;color:#a64b46!important}.privacy-note{font-size:12px;line-height:1.7;background:#f0f7f5;padding:12px;border-radius:10px}.library{max-width:1480px;margin:auto}.top-bar{display:flex;justify-content:space-between;align-items:center;padding:17px 25px;border-bottom:1px solid #e0e9e6;background:white}.top-brand strong,.top-brand small{display:block}.top-brand small{font-size:12px;color:#78908c}.top-actions{display:flex;align-items:center;gap:12px}.network-status{font-size:11px;color:#60877e}.outline-button,.subtle-button,.back-button{border:1px solid #cadbd7;background:white;border-radius:10px;padding:10px 14px;color:#2c6c69}.workspace{display:grid;grid-template-columns:minmax(310px,405px) minmax(0,1fr);gap:24px;padding:24px;min-height:calc(100vh - 80px)}.browse-panel,.detail-panel{min-width:0}.browse-panel{padding:8px 4px}.section-heading h1{font-size:28px;margin:9px 0}.section-heading p{color:#738986;line-height:1.7}.search-label,.filter-head,.filter-grid label{font-size:12px;color:#66837c;display:block;margin:13px 0 8px}.search-box input,.filter-grid select{background:#fff;border:1px solid #cbdcd7;border-radius:10px;padding:13px;width:100%}.filter-head{display:flex;justify-content:space-between}.chips{display:flex;gap:7px;flex-wrap:wrap}.chip{background:white;border:1px solid #ccdfda;padding:9px 12px;border-radius:18px;font-size:12px}.chip.selected{background:#1f766e;color:white}.filter-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.filter-switch{border:1px solid #ccdfda;background:white;padding:13px;width:100%;border-radius:10px}.filter-switch[aria-pressed=true]{background:#216f6e;color:white}.list-head{display:flex;justify-content:space-between;gap:9px;margin:27px 0 14px;font-size:13px;color:#5a7773}.video-list{display:grid;gap:9px;max-height:65vh;overflow:auto}.video-item{display:block;text-align:left;border:1px solid #dfebe8;background:white;border-radius:13px;padding:15px;color:#284844}.video-item small{display:block;color:#248a80;font-size:11px}.video-item strong{display:block;font-size:15px;margin:7px 0}.video-item p{color:#788e8c;font-size:12px;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.detail-panel{background:#fafcfb;border-radius:18px;padding:20px}.empty-detail{text-align:center;padding:100px 15px;color:#6b8882}.book-shape{font-size:60px;color:#3b9186}.detail-actions{display:flex;justify-content:space-between;margin-bottom:15px}.detail-title{font-size:29px}.review-status,.detail-category-row,.section-help{font-size:12px;color:#7a8d87}.summary-card{margin:17px 0}.summary-card p{line-height:1.85;color:#526b66}.reading-block{margin:14px 0}.reading-block h3{margin:0;font-size:18px}.content-heading{display:flex;gap:12px;align-items:center;margin-bottom:15px}.section-index{background:#e8f2ef;color:#27746d;border-radius:8px;padding:8px;font-size:12px}.markdown-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.9;color:#345550}.markdown-text{white-space:pre-wrap}.personal-section{border-style:dashed;background:#fbfdfc}.more-details{margin:14px 0}.more-details summary{cursor:pointer;color:#286f6c;font-weight:700}.source-footer{font-size:12px;line-height:1.8;color:#77908a;padding:17px}.source-link{color:#277d76}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#264f4a;color:white;padding:12px 20px;border-radius:12px}@media(max-width:850px){.lock-screen{display:block;padding:25px 17px}.lock-intro{margin:35px 0}.unlock-card{max-width:520px;margin:auto}.workspace{display:block;padding:12px}.detail-panel{display:none}.workspace.detail-open .browse-panel{display:none}.workspace.detail-open .detail-panel{display:block;padding:10px}.top-bar{padding:12px}.top-brand small{display:none}.video-list{max-height:none}.detail-title{font-size:23px}}@media(min-width:851px){.back-button{display:none}}[hidden]{display:none!important}