:root{--bg: #F5F0E8;--bg2: #EDE7D9;--bg3: #E3DBCB;--text: #4A3F38;--text2: #6B5E54;--text3: #9E8F86;--accent: #7B5EA7;--accent2: #D4799A;--border: rgba(74,63,56,.1);--card-bg: #FAF7F2;--tag-bg: rgba(123,94,167,.1);--tag-color: #7B5EA7;--serif-zh: "Noto Serif SC", serif;--sans-zh: "Noto Sans SC", sans-serif;--sans-en: "Inter", sans-serif;--serif-en: "Lora", serif}[data-theme=dark]{--bg: #1A1614;--bg2: #221E1B;--bg3: #2A2520;--text: #E8E2D9;--text2: #B0A89E;--text3: #7A7068;--accent: #C4A8E0;--accent2: #F0A8C0;--border: rgba(232,226,217,.1);--card-bg: #201C19;--tag-bg: rgba(196,168,224,.12);--tag-color: #C4A8E0}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--sans-zh);line-height:1.7;transition:background .3s,color .3s}[data-lang=zh] .only-en,[data-lang=en] .only-zh{display:none!important}[data-lang=en] body{font-family:var(--serif-en)}nav{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--border);padding:0 1.5rem;display:flex;align-items:center;gap:1.5rem;height:52px;backdrop-filter:blur(8px)}.nav-brand{display:flex;align-items:center;gap:8px;text-decoration:none}.nav-brand img{width:28px;height:28px;flex-shrink:0}.brand-text{font-family:"Inter",var(--sans-en);font-weight:400;font-size:15px;color:#584149;letter-spacing:-.2px;white-space:nowrap}.nav-links{display:flex;gap:.75rem;align-items:center;margin-left:auto}.nav-links a{font-family:var(--sans-zh);font-size:13px;color:var(--text2);text-decoration:none;white-space:nowrap;transition:color .2s}.nav-links a:hover{color:var(--accent)}.nav-hidden{display:none!important}.ctrl-btn{background:none;border:1px solid var(--border);border-radius:16px;padding:3px 10px;font-size:11px;color:var(--text2);cursor:pointer;font-family:var(--sans-en);transition:all 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em{font-style:normal;color:var(--accent)}.hero-desc{font-size:14px;color:var(--text2);line-height:1.55;margin-bottom:.35rem}.hero-desc.only-zh{font-family:var(--sans-zh)}.hero-desc.only-en{font-family:var(--serif-en);font-style:italic;font-size:13px}.hero-desc em{font-style:normal;color:var(--accent);font-weight:500}.container{max-width:860px;margin:0 auto;padding:0 1.5rem}.section{padding:1.75rem 0;border-bottom:1px solid var(--border)}.section-header{display:flex;align-items:baseline;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap}.section-date{font-family:var(--serif-zh);font-weight:600;font-size:1.05rem;color:var(--text)}[data-lang=en] .section-date{font-family:var(--sans-en)}.section-sub{font-family:var(--sans-en);font-size:11px;color:var(--text3)}.article-list{display:flex;flex-direction:column;gap:0}.article-item{display:flex;gap:1rem;padding:.85rem 1.25rem;border-bottom:1px solid var(--border);text-decoration:none;color:var(--text);transition:background .15s}.article-item:last-child{border-bottom:none}.article-item:hover{background:var(--bg2)}.article-item:hover .article-title{color:var(--accent)}.article-num{font-size:.8rem;font-weight:600;color:var(--text3);width:1.5rem;flex-shrink:0;display:flex;align-items:center}.article-body{flex:1;min-width:0;overflow:hidden;display:flex;flex-direction:column;gap:.3rem}.article-title{font-size:.95rem;font-weight:600;line-height:1.5;margin:0;color:var(--text);transition:color .2s}.article-title.only-zh{font-family:var(--serif-zh)}.article-title.only-en{font-family:var(--sans-en);font-size:.9rem}.article-tags{display:flex;flex-wrap:wrap;gap:4px}.article-source-line{font-size:.78rem;color:var(--text3);display:flex;flex-wrap:nowrap;align-items:center;gap:2px;overflow:hidden}.source-label{white-space:nowrap;flex-shrink:0}.src-link{color:var(--accent);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.src-link:hover{text-decoration:underline}.src-text{color:var(--text3);white-space:nowrap}.source-sep{color:var(--bg3);margin:0 2px;flex-shrink:0}.source-etc{white-space:nowrap;color:var(--text3);flex-shrink:0}.is-lead{background:var(--bg2);border-left:3px solid var(--accent2);padding-left:calc(1.25rem - 3px)}.is-lead .article-num{font-size:1.2rem;color:var(--accent2)}.is-lead .article-title{font-size:1.05rem}.tag{font-size:10px;padding:1px 7px;border-radius:8px;font-family:var(--sans-en);letter-spacing:.2px;white-space:nowrap}.tag-product{background:#d4799a1f;color:#c0607e}.tag-research{background:#378add1f;color:#1a6bb5}.tag-funding{background:#ba75171f;color:#9a6010}.tag-policy{background:#6399221f;color:#4a7a10}.tag-others{background:#7878781a;color:#707070}.tag-tech{background:#7c3aed1a;color:#6d28d9}.tag-body{background:#ec48991a;color:#db2777}.tag-lifeStage{background:#f59e0b1a;color:#d97706}.tag-method{background:#10b9811a;color:#059669}[data-theme=dark] .tag-product{color:#f0a8c0;background:#f0a8c01f}[data-theme=dark] .tag-research{color:#85b7eb;background:#85b7eb1f}[data-theme=dark] .tag-funding{color:#fac775;background:#fac7751f}[data-theme=dark] .tag-policy{color:#97c459;background:#97c4591f}[data-theme=dark] .tag-others{color:#b0b0b0;background:#b0b0b01f}[data-theme=dark] .tag-tech{color:#a78bfa;background:#a78bfa1f}[data-theme=dark] .tag-body{color:#f9a8d4;background:#f9a8d41f}[data-theme=dark] 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.2s}.search-box:focus{border-color:var(--accent)}.result-count{font-family:var(--sans-en);font-size:11px;color:var(--text3);margin-left:.5rem;white-space:nowrap}.empty-state{text-align:center;padding:3rem 1.5rem;font-family:var(--sans-zh);font-size:14px;color:var(--text3)}[data-lang=en] .empty-state{font-family:var(--serif-en)}.flat-mode .section-header{display:none}.flat-mode .section{border-bottom:none;padding:.5rem 0}.flat-mode .section:first-child{padding-top:0}.archive-cta{text-align:center;padding:1.5rem 0 .25rem}.archive-cta a{font-family:var(--sans-zh);font-size:13px;color:var(--accent);text-decoration:none;transition:opacity .2s}.archive-cta a:hover{opacity:.7}[data-lang=en] .archive-cta a{font-family:var(--sans-en)}.newsletter{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:2.5rem 2rem;text-align:center;margin:3rem 0}.newsletter h3{font-size:1.15rem;color:var(--text);margin-bottom:.35rem;font-weight:700}.newsletter h3.only-zh{font-family:var(--serif-zh)}.newsletter h3.only-en{font-family:var(--sans-en)}.newsletter p{font-family:var(--sans-en);font-size:13px;color:var(--text2);margin-bottom:1.5rem}.subscribe-row{display:flex;gap:.6rem;max-width:440px;margin:0 auto;align-items:center}.subscribe-row input{flex:1;padding:11px 16px;background:var(--bg);border:1px solid var(--border);border-radius:10px;font-family:var(--sans-en);font-size:13px;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s}.subscribe-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #7b5ea71f}.subscribe-row button{padding:11px 26px;background:var(--accent);color:#fff;border:none;border-radius:10px;font-family:var(--sans-en);font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:opacity .2s,transform .15s}.subscribe-row button:hover{opacity:.88;transform:translateY(-1px)}.subscribe-row button:active{transform:translateY(0)}footer{border-top:1px solid var(--border);padding:1.25rem 1.5rem;display:flex;flex-direction:column;align-items:center;gap:.5rem;text-align:center}.footer-brand{font-family:var(--sans-zh);font-size:12px;color:var(--text3)}.footer-links{display:flex;justify-content:center;gap:1.25rem}.footer-links a{font-family:var(--sans-zh);font-size:12px;color:var(--text3);text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--accent)}@media(max-width:640px){nav{padding:0 1rem;gap:.75rem}.brand-text{font-size:13px}.nav-links{gap:.4rem}.nav-links a{font-size:12px}.ctrl-btn,.lang-btn{padding:2px 8px;font-size:10px}.hero{padding:1.75rem 1rem 1.25rem}.hero-eyebrow{font-size:10px;letter-spacing:1px}.hero-desc{font-size:13px}.hero-desc.only-en{font-size:12px}.section{padding:1.25rem 0}.container{padding:0 1rem}.article-item{padding:.7rem 0;gap:.75rem}.article-item.is-lead .article-title{font-size:15px}.article-num{font-size:14px;width:24px}.article-item.is-lead .article-num{font-size:24px;width:30px}.article-source-line{font-size:9.5px}.archive-ctrl{padding:1.25rem 1rem 0;flex-direction:column;align-items:stretch;gap:.5rem}.filter-group{gap:3px}.filter-btn{font-size:11px;padding:3px 10px}.search-box{width:100%;margin-left:0}.result-count{margin-left:0}.newsletter{margin:1.5rem 0;padding:1.25rem}.subscribe-row{flex-direction:column}.subscribe-row input{width:100%}footer{padding:1rem}.footer-links{gap:1rem}.footer-links a,.footer-brand{font-size:11px}}@media(max-width:480px){.brand-text{display:none}nav{gap:.4rem;padding:0 .75rem;height:48px}.nav-links{gap:.25rem}.nav-links a{font-size:11px}.ctrl-btn,.lang-btn{padding:2px 7px;font-size:10px}.hero{padding:1.25rem .75rem 1rem}.hero-eyebrow{font-size:9px;letter-spacing:.8px;margin-bottom:.4rem}.hero-desc{font-size:12px;margin-bottom:.25rem}.section{padding:1rem 0}.section-header{gap:.5rem;margin-bottom:.75rem}.section-date{font-size:.95rem}.section-sub{font-size:10px}.article-item{padding:.6rem 0;gap:.6rem}.article-title{font-size:13px}.article-item.is-lead .article-title{font-size:14px}.article-num{font-size:13px;width:20px}.article-item.is-lead .article-num{font-size:20px;width:26px}.tag{font-size:9px;padding:1px 5px}.archive-ctrl{padding:1rem .75rem 0;gap:.4rem}.filter-group{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px}.filter-btn{flex-shrink:0;font-size:10px;padding:3px 10px}.newsletter{margin:1.25rem 0;padding:1rem;border-radius:8px}.newsletter h3{font-size:.95rem}.archive-cta{padding:1rem 0 0}.archive-cta a{font-size:12px}footer{padding:.85rem .75rem;gap:.35rem}.footer-links{gap:.85rem}.footer-links a,.footer-brand{font-size:10px}.empty-state{padding:2rem 1rem;font-size:13px}}