:root{--ink:#173426;--muted:#607066;--paper:#fffaf2;--surface:#fff;--soft:#f3f7ef;--yellow:#ffca52;--yellow-deep:#f4b82f;--green:#356a4b;--line:#dce6dc;--shadow:0 18px 60px rgba(34,61,43,.12);--radius:24px;--serif:"Songti SC","STSong",Georgia,serif;--sans:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{display:block;max-width:100%}.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}
.site-header{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 clamp(20px,5vw,78px);background:rgba(255,250,242,.9);border-bottom:1px solid rgba(23,52,38,.1);backdrop-filter:blur(16px);position:sticky;top:0;z-index:50}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.18rem;letter-spacing:.02em;white-space:nowrap}.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--yellow);display:grid;place-items:center;font-family:var(--serif);font-weight:900}.desktop-nav{display:flex;gap:30px;margin-left:auto}.desktop-nav a{font-size:.94rem;font-weight:650;color:#395345}.desktop-nav a:hover{color:var(--green)}.header-search{border:1px solid var(--line);background:#fff;border-radius:999px;display:flex;align-items:center;gap:8px;padding:9px 12px;cursor:pointer}.header-search kbd{border-radius:6px;background:#edf2ed;padding:1px 6px;font-size:.72rem;color:var(--muted)}
main{overflow:hidden}.hero{min-height:690px;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);gap:clamp(36px,6vw,90px);align-items:center;padding:70px clamp(22px,6vw,96px) 86px;position:relative}.hero:before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:rgba(255,202,82,.2);filter:blur(2px);left:-190px;top:80px}.hero-copy{position:relative;z-index:1;max-width:720px}.eyebrow{margin:0 0 16px;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--green)}h1,h2,h3,p{margin-top:0}h1{font-family:var(--serif);font-size:clamp(3rem,6.3vw,6rem);line-height:1.02;letter-spacing:-.055em;margin-bottom:28px;font-weight:900}h1 em{font-style:normal;color:var(--green);position:relative;white-space:nowrap}h1 em:after{content:"";position:absolute;height:10px;border-radius:99px;background:var(--yellow);left:2%;right:0;bottom:2px;z-index:-1}.hero-intro{font-size:clamp(1.04rem,1.4vw,1.2rem);color:var(--muted);max-width:560px;margin-bottom:30px}.search-box{width:min(100%,620px);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;border:2px solid transparent;background:#fff;border-radius:18px;padding:12px 14px 12px 20px;box-shadow:var(--shadow);text-align:left;cursor:text;transition:.2s}.search-box:hover{border-color:var(--yellow);transform:translateY(-2px)}.search-icon{font-size:1.5rem}.search-placeholder{color:#7a847e}.search-action{background:var(--ink);color:#fff;border-radius:12px;padding:10px 20px;font-weight:750}.quick-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;align-items:center}.quick-links span{font-size:.83rem;color:var(--muted);margin-right:4px}.quick-links button{border:0;background:#f0eadf;border-radius:999px;padding:7px 11px;cursor:pointer;font-size:.82rem}.quick-links button:hover{background:var(--yellow)}
.hero-visual{position:relative;margin:0;transform:rotate(1.8deg)}.hero-visual:before{content:"";position:absolute;inset:22px -18px -18px 22px;border:2px solid var(--ink);border-radius:34px;z-index:-1}.hero-visual img{width:100%;height:min(60vw,560px);object-fit:cover;border-radius:32px;box-shadow:0 24px 70px rgba(35,54,41,.18)}.hero-visual figcaption{position:absolute;left:-28px;bottom:34px;background:var(--yellow);border:2px solid var(--ink);border-radius:16px;padding:12px 18px;box-shadow:6px 6px 0 var(--ink);display:flex;flex-direction:column;transform:rotate(-3deg)}.hero-visual figcaption strong{font-size:.76rem;text-transform:uppercase;letter-spacing:.13em}.hero-visual figcaption span{font-weight:800}
.trust-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;padding:0 clamp(22px,6vw,96px)}.trust-strip div{display:flex;align-items:center;justify-content:center;gap:14px;padding:24px 12px;border-right:1px solid var(--line)}.trust-strip div:last-child{border-right:0}.trust-strip strong{color:var(--yellow-deep);font-family:var(--serif);font-size:1.35rem}.trust-strip span{font-weight:700}
.section{padding:110px clamp(22px,6vw,96px)}.section-heading{margin-bottom:44px}.section-heading h2{font-family:var(--serif);font-size:clamp(2.15rem,4vw,4rem);line-height:1.1;letter-spacing:-.04em;margin-bottom:0}.split-heading{display:flex;align-items:end;justify-content:space-between;gap:40px}.split-heading>p{max-width:430px;color:var(--muted);margin:0}.ages-section{background:#fff}.age-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.age-card{min-height:190px;border:1px solid var(--line);border-radius:20px;background:var(--soft);padding:24px;text-align:left;display:flex;flex-direction:column;cursor:pointer;transition:.2s}.age-card span{font-size:.82rem;color:var(--muted);font-weight:700}.age-card strong{font-family:var(--serif);font-size:2.45rem;margin-top:auto;line-height:1}.age-card small{color:var(--muted)}.age-card:hover,.age-card.active{background:var(--yellow);border-color:var(--ink);transform:translateY(-5px);box-shadow:5px 6px 0 var(--ink)}
.month-guide-section{background:#fff}.month-picker{display:flex;gap:8px;overflow-x:auto;padding:4px 4px 13px;scrollbar-width:thin}.month-picker button{flex:0 0 64px;height:58px;border:1px solid var(--line);border-radius:16px;background:var(--soft);font-family:var(--serif);font-size:1.35rem;font-weight:900;cursor:pointer;transition:.2s}.month-picker button small{font-family:var(--sans);font-size:.7rem;color:var(--muted);margin-left:2px}.month-picker button:hover,.month-picker button.active{background:var(--yellow);border-color:var(--ink);box-shadow:3px 4px 0 var(--ink);transform:translateY(-2px)}.month-panel{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.5fr);gap:18px;margin-top:24px}.month-summary{background:var(--ink);color:#fff;border-radius:26px;padding:36px;display:flex;flex-direction:column}.month-summary>span{width:max-content;border-radius:999px;background:var(--yellow);color:var(--ink);padding:7px 12px;font-weight:850;font-size:.82rem}.month-summary h3{font-family:var(--serif);font-size:clamp(1.75rem,2.8vw,2.7rem);line-height:1.22;margin:24px 0 15px}.month-summary p{color:#c8d5cd}.month-summary a{margin-top:auto;font-weight:850;color:var(--yellow)}.month-focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.month-focus-grid article{min-height:190px;border:1px solid var(--line);background:var(--paper);border-radius:22px;padding:24px}.month-focus-grid article>span{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:#fff;border:1px solid var(--line);font-size:1.2rem}.month-focus-grid small{display:block;margin:14px 0 6px;font-weight:850;color:var(--green)}.month-focus-grid p{margin:0;color:#405449;font-size:.93rem}.month-note{margin:18px 0 0;color:var(--muted);font-size:.82rem}
.roadmap-section{background:#edf5ec}.roadmap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:stage}.roadmap-grid article{min-height:310px;padding:26px;border:1px solid var(--line);border-radius:24px;background:#fff;display:flex;flex-direction:column;position:relative;overflow:hidden}.roadmap-grid article:after{content:"";position:absolute;width:130px;height:130px;border-radius:50%;background:rgba(255,202,82,.2);right:-55px;top:-45px}.roadmap-grid article>span{font-family:var(--serif);font-size:2.1rem;font-weight:900;color:var(--yellow-deep)}.roadmap-grid small{font-weight:800;color:var(--green);letter-spacing:.05em}.roadmap-grid h3{font-family:var(--serif);font-size:1.55rem;margin:11px 0}.roadmap-grid p{color:var(--muted);font-size:.93rem}.roadmap-grid button{margin-top:auto;align-self:flex-start;border:0;background:transparent;padding:0;font-weight:800;cursor:pointer}.roadmap-grid button:hover{color:var(--green)}
.topics-section{background:var(--ink);color:#fff}.topics-section .eyebrow{color:var(--yellow)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-grid a{padding:28px;border:1px solid rgba(255,255,255,.16);border-radius:20px;display:grid;grid-template-columns:auto 1fr;column-gap:16px;align-items:center;background:rgba(255,255,255,.04);transition:.2s}.topic-grid a:hover{background:var(--yellow);color:var(--ink);transform:translateY(-3px)}.topic-icon{grid-row:1/3;width:48px;height:48px;border-radius:16px;background:rgba(255,255,255,.1);display:grid;place-items:center;font-size:1.45rem}.topic-grid a:hover .topic-icon{background:#fff}.topic-grid strong{font-size:1.08rem}.topic-grid small{color:#b8c7bd}.topic-grid a:hover small{color:#395345}
.featured-section{background:#f5f1e8}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.article-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;display:flex;flex-direction:column;transition:.25s}.article-card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}.article-card[hidden]{display:none}.article-image{aspect-ratio:16/10;overflow:hidden}.article-image img{width:100%;height:100%;object-fit:cover;transition:.35s}.article-card:hover .article-image img{transform:scale(1.035)}.article-body{padding:24px;display:flex;flex-direction:column;flex:1}.article-meta{display:flex;justify-content:space-between;color:var(--green);font-size:.78rem;font-weight:800;margin-bottom:15px}.article-body h3{font-family:var(--serif);font-size:1.5rem;line-height:1.3;margin-bottom:12px}.article-body h3 a:hover{text-decoration:underline;text-decoration-color:var(--yellow);text-decoration-thickness:5px;text-underline-offset:2px}.article-body p{color:var(--muted);font-size:.94rem}.text-link{font-weight:800;margin-top:auto}.text-link:hover{color:var(--green)}.empty-state{text-align:center;border:1px dashed #aebcae;border-radius:24px;padding:52px}.empty-state strong{font-size:1.25rem}.empty-state p{color:var(--muted)}.empty-state button,.primary-link{display:inline-block;border:0;border-radius:12px;background:var(--ink);color:#fff;padding:11px 18px;font-weight:800;cursor:pointer}
.quick-help-section{background:#fff}.quick-help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.quick-help-grid button{border:1px solid var(--line);border-radius:20px;background:var(--paper);padding:24px;text-align:left;cursor:pointer;transition:.2s}.quick-help-grid button:hover{background:var(--yellow);border-color:var(--ink);transform:translateY(-3px)}.quick-help-grid span{display:block;font-family:var(--serif);font-size:1.3rem;font-weight:800;margin-bottom:7px}.quick-help-grid small{color:var(--muted)}
.toolkit-section{background:#edf5ec}.toolkit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card{min-height:390px;border:1px solid var(--line);border-radius:26px;padding:30px;display:flex;flex-direction:column;background:#fff}.tool-number{font-family:var(--serif);font-size:1.7rem;font-weight:900;color:var(--yellow-deep)}.tool-card h3{font-family:var(--serif);font-size:1.7rem;line-height:1.25;margin:14px 0 20px}.tool-card ul{padding-left:1.2em;color:#405449}.tool-card li{margin:10px 0}.tool-card>a{font-weight:850;margin-top:auto}.milk-card{background:#fff7da}.food-card{background:#fff}.urgent-card{background:#173426;color:#fff}.urgent-card .tool-number{color:var(--yellow)}.urgent-card ul{color:#e2ece5}.urgent-card>p{margin-top:auto;color:var(--yellow);font-weight:800}.food-plate{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:1fr 1fr;gap:5px;aspect-ratio:1.55;margin:0 auto 22px;width:min(100%,270px);border:6px solid #f3ead7;border-radius:50%;overflow:hidden;background:#f3ead7}.food-plate span{display:grid;place-items:center;text-align:center;padding:6px;font-size:.8rem;font-weight:800}.food-plate span:nth-child(1){grid-row:1/3;background:#ffd66f}.food-plate span:nth-child(2){background:#f1d1a7}.food-plate span:nth-child(3){background:#b9d9aa}.food-plate span:nth-child(4){background:#f6b4a7}
.promise-section{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;background:var(--yellow)}.promise-copy h2{font-family:var(--serif);font-size:clamp(2.2rem,4.5vw,4.6rem);line-height:1.08;letter-spacing:-.045em}.promise-copy>p:not(.eyebrow){max-width:620px}.promise-section blockquote{margin:0;background:#fff;border:2px solid var(--ink);border-radius:28px;padding:clamp(28px,4vw,56px);box-shadow:10px 12px 0 var(--ink);transform:rotate(1deg)}.promise-section blockquote>span{font-family:var(--serif);font-size:5rem;line-height:.6;color:var(--yellow-deep)}.promise-section blockquote p{font-family:var(--serif);font-size:clamp(1.35rem,2.3vw,2.2rem);font-weight:700;line-height:1.45}.promise-section blockquote footer{font-size:.86rem;color:var(--muted)}
.site-footer{padding:64px clamp(22px,6vw,96px) 26px;background:#10281c;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:50px}.footer-brand{margin-bottom:14px}.site-footer>div>p{color:#aebfb4}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:24px}.footer-links div{display:flex;flex-direction:column;gap:9px}.footer-links strong{color:var(--yellow);margin-bottom:3px}.footer-links a{color:#c5d1c9}.footer-links a:hover{color:#fff}.footer-note{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:22px;margin:0;color:#8fa297;font-size:.82rem}
.search-dialog{width:min(760px,calc(100% - 28px));border:0;border-radius:22px;padding:0;background:transparent}.search-dialog::backdrop{background:rgba(9,27,17,.66);backdrop-filter:blur(5px)}.dialog-shell{background:#fff;border-radius:22px;padding:18px;box-shadow:var(--shadow)}.dialog-search-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;border:2px solid var(--ink);border-radius:15px;padding:10px 12px}.dialog-search-row input{border:0;outline:0;min-width:0;font-size:1.05rem}.dialog-search-row button{border:0;background:#edf2ed;border-radius:9px;padding:7px 10px;cursor:pointer}.search-suggestions{padding:22px 4px 8px;display:flex;flex-wrap:wrap;gap:8px}.search-suggestions p{width:100%;font-size:.78rem;color:var(--muted);margin-bottom:3px}.search-suggestions button{border:0;border-radius:999px;padding:7px 12px;background:#f0eadf;cursor:pointer}.search-results{display:grid;gap:8px;margin-top:12px;max-height:46vh;overflow:auto}.search-result{padding:14px;border-radius:12px;background:#f6f8f4;display:block}.search-result:hover{background:#fff0bd}.search-result strong{display:block}.search-result span{font-size:.82rem;color:var(--muted)}
@media(max-width:960px){.desktop-nav{display:none}.hero{grid-template-columns:1fr;padding-top:54px}.hero-visual{max-width:720px}.hero-visual img{height:auto}.age-grid{grid-template-columns:repeat(3,1fr)}.month-panel{grid-template-columns:1fr}.month-summary{min-height:300px}.roadmap-grid{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.article-grid{grid-template-columns:1fr 1fr}.article-card:first-child{grid-column:1/-1;display:grid;grid-template-columns:1.1fr .9fr}.article-card:first-child .article-image{aspect-ratio:auto}.quick-help-grid{grid-template-columns:repeat(2,1fr)}.toolkit-grid{grid-template-columns:1fr 1fr}.urgent-card{grid-column:1/-1;min-height:300px}.promise-section{grid-template-columns:1fr}}
@media(max-width:640px){.site-header{height:68px;padding:0 18px}.header-search{width:42px;height:42px;justify-content:center}.site-header>a.header-search{display:none}.header-search span:nth-child(2),.header-search kbd{display:none}.hero{padding:44px 18px 62px;gap:42px;min-height:0}.hero-copy{min-width:0}h1{font-size:clamp(2.5rem,12vw,2.95rem);letter-spacing:-.06em}h1 em{white-space:normal}.hero-intro{font-size:1rem}.search-box{padding-left:14px}.search-action{padding:9px 12px}.quick-links{display:none}.hero-visual{margin:0 8px 0 0}.hero-visual:before{inset:12px -10px -10px 12px}.hero-visual figcaption{left:-4px;bottom:18px}.trust-strip{grid-template-columns:1fr;padding:0 18px}.trust-strip div{justify-content:flex-start;border-right:0;border-bottom:1px solid var(--line);padding:14px 4px}.trust-strip div:last-child{border-bottom:0}.section{padding:76px 18px}.split-heading{align-items:flex-start;flex-direction:column;gap:16px}.section-heading{margin-bottom:30px}.month-picker{margin:0 -18px;padding-left:18px;padding-right:18px}.month-picker button{flex-basis:58px}.month-summary{padding:28px;min-height:320px}.month-focus-grid{grid-template-columns:1fr}.month-focus-grid article{min-height:0}.age-grid{display:flex;overflow:auto;padding:0 18px 12px;margin:0 -18px;scroll-snap-type:x mandatory}.age-card{min-width:150px;min-height:160px;scroll-snap-align:start}.roadmap-grid,.topic-grid,.quick-help-grid,.toolkit-grid{grid-template-columns:1fr}.roadmap-grid article{min-height:270px}.topic-grid a{padding:22px}.article-grid{grid-template-columns:1fr}.article-card:first-child{grid-column:auto;display:flex}.article-card:first-child .article-image{aspect-ratio:16/10}.tool-card,.urgent-card{grid-column:auto;min-height:340px}.promise-section{gap:45px}.promise-section blockquote{box-shadow:7px 8px 0 var(--ink)}.site-footer{grid-template-columns:1fr}.footer-note{grid-column:auto}.dialog-shell{padding:12px}.dialog-search-row button{font-size:.82rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Reading pages */
.reading-header{position:relative;background:var(--paper)}.article-hero{padding:64px clamp(22px,8vw,140px) 44px;max-width:1260px;margin:auto}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.86rem;margin-bottom:34px}.breadcrumbs a:hover{color:var(--green)}.article-hero h1{max-width:930px;font-size:clamp(2.55rem,6vw,5.2rem);margin-bottom:24px}.article-deck{max-width:780px;font-size:1.18rem;color:var(--muted)}.article-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.article-facts span{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;font-size:.82rem;font-weight:750}.article-cover{width:min(1180px,calc(100% - 44px));height:min(52vw,620px);object-fit:cover;margin:0 auto;border-radius:32px;box-shadow:var(--shadow)}.article-layout{max-width:1180px;margin:0 auto;padding:70px 22px 110px;display:grid;grid-template-columns:240px minmax(0,720px);gap:72px;justify-content:center}.article-aside{align-self:start;position:sticky;top:105px}.article-aside strong{display:block;margin-bottom:12px}.article-aside a{display:block;padding:7px 0;color:var(--muted);font-size:.9rem}.article-aside a:hover{color:var(--green)}.article-content{font-size:1.08rem}.article-content .direct-answer{font-family:var(--serif);font-size:1.4rem;font-weight:700;line-height:1.65;border-left:7px solid var(--yellow);padding:18px 24px;background:#fff7da;border-radius:0 18px 18px 0;margin-bottom:42px}.article-content h2{font-family:var(--serif);font-size:2rem;line-height:1.3;margin:54px 0 18px;scroll-margin-top:105px}.article-content h3{font-size:1.18rem;margin:32px 0 12px}.article-content p,.article-content li{color:#334a3d}.article-content li{margin:.55em 0}.article-content ul,.article-content ol{padding-left:1.35em}.safety-note{border:2px solid #b1492f;border-radius:18px;padding:22px 24px;margin:34px 0;background:#fff8f3}.safety-note strong{color:#9e311e}.source-list{font-size:.94rem}.source-list a{text-decoration:underline;text-underline-offset:3px}.article-disclaimer{font-size:.9rem;color:var(--muted);padding-top:24px;border-top:1px solid var(--line);margin-top:52px}.related-block{background:var(--soft);border-radius:24px;padding:28px;margin-top:54px}.related-block h2{margin-top:0}.related-block a{display:block;background:#fff;border-radius:13px;padding:14px;margin-top:8px;font-weight:750}.plain-page{max-width:950px;margin:0 auto;padding:70px 22px 120px}.plain-page h1{font-size:clamp(2.7rem,6vw,5rem)}.plain-page .lead{font-size:1.23rem;color:var(--muted);max-width:760px}.plain-page h2{font-family:var(--serif);font-size:2rem;margin-top:54px}.principle-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:32px 0}.principle-list article{padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff}.principle-list span{font-family:var(--serif);font-size:2rem;color:var(--yellow-deep);font-weight:800}.principle-list h3{margin:6px 0}.page-note{background:var(--yellow);border-radius:20px;padding:24px;margin-top:40px}.mini-footer{padding:30px clamp(22px,5vw,78px);background:#10281c;color:#c4d2c8;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.mini-footer a{color:#fff}
@media(max-width:820px){.article-layout{grid-template-columns:1fr;gap:20px}.article-aside{position:static;border-bottom:1px solid var(--line);padding-bottom:20px}.article-aside a{display:inline-block;margin-right:13px}.principle-list{grid-template-columns:1fr}}
@media(max-width:640px){.article-hero{padding:42px 18px 30px}.article-cover{width:calc(100% - 36px);height:56vw;border-radius:20px}.article-layout{padding:48px 18px 76px}.article-content{font-size:1rem}.article-content h2{font-size:1.65rem}.article-content .direct-answer{font-size:1.17rem;padding:16px 18px}.plain-page{padding:52px 18px 82px}}