:root{--bg:#F6F4EE;--card:#fff;--soft:#ECEFE8;--sand:#F2E7D7;--green:#21463B;--green2:#17352D;--green3:#3C685A;--orange:#C56B3D;--gold:#C6A15B;--title:#1F2D28;--text:#3E4A45;--muted:#66716C;--hint:#78817D;--border:#D9DED8;--footer:#183129;--footertext:#F4F3ED}
*,*::before,*::after{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-wrap:anywhere}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--orange)}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.wrap{width:min(calc(100% - 64px),1180px);margin-inline:auto;min-width:0}.skip-link{position:absolute;left:12px;top:-60px;background:#fff;padding:10px 14px;z-index:100}.skip-link:focus{top:10px}.site-header{background:rgba(246,244,238,.98);border-bottom:1px solid var(--border);position:relative;z-index:20}.header-row{min-height:70px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;white-space:nowrap;min-width:0}.brand-logo{display:block;height:32px;width:auto;max-width:165px;object-fit:contain}.brand-name{font-weight:760;color:var(--green2);font-size:17px}.primary-nav{display:flex;align-items:center;gap:22px;margin-left:auto}.primary-nav a,.header-actions a{font-size:15px;text-decoration:none;color:var(--title);white-space:nowrap}.primary-nav a.is-current{color:var(--orange);font-weight:700}.header-actions{display:flex;align-items:center;gap:10px}.directory-toggle,.directory-close,.button-link{min-height:44px;border:1px solid var(--green);border-radius:9px;background:var(--green);color:#fff;padding:8px 14px;font:inherit;font-size:15px;cursor:pointer}.mobile-entry{padding:8px 0}.mobile-actions{display:none;margin-left:auto;align-items:center;gap:10px}.mobile-actions a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none}.site-directory{background:#fff;border-bottom:1px solid var(--border)}.site-directory[hidden]{display:none}.directory-inner{padding-block:22px 28px}.directory-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.directory-head strong{font-size:19px;color:var(--title)}.directory-close{background:#fff;color:var(--green);padding-inline:13px}.directory-desktop{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}.directory-desktop section{min-width:0}.directory-desktop h2,.directory-mobile h2{font-size:15px;margin:0 0 8px;color:var(--orange)}.directory-desktop a{display:grid;grid-template-columns:auto 1fr;gap:8px 10px;align-items:baseline;padding:7px 0;text-decoration:none;border-bottom:1px solid #eef0ec}.directory-desktop b{font-size:15px;color:var(--title)}.directory-desktop span{font-size:13px;color:var(--muted)}.directory-mobile{display:none}
main{min-width:0}.page-shell{width:min(calc(100% - 64px),980px);margin:0 auto;padding:42px 0 70px;min-width:0}.page-shell.narrow{max-width:780px}.page-intro{padding:8px 0 30px;border-bottom:1px solid var(--border);margin-bottom:34px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:8px}.breadcrumb a{color:var(--muted)}.eyebrow{display:inline-block;color:var(--orange);font-size:14px;font-weight:700;margin-bottom:8px}.page-intro h1,.home-lead h1{font-size:34px;line-height:1.25;color:var(--title);margin:0 0 12px}.page-intro p{max-width:760px;margin:0;color:var(--muted)}h2{font-size:25px;line-height:1.35;color:var(--title);margin:0 0 14px}h3{font-size:19px;line-height:1.45;color:var(--title);margin:0 0 10px}p{margin:0 0 1.05em}ul,ol{padding-left:1.35em}.section{padding:28px 0;min-width:0}.section+.section{border-top:1px solid var(--border)}.lead-text{font-size:17px;color:#34423d}.text-links{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:16px}.text-links a{font-weight:650}.soft-box{background:var(--soft);border:1px solid var(--border);border-radius:12px;padding:22px}.sand-box{background:var(--sand);border-radius:12px;padding:22px}.quote-box{border-left:4px solid var(--gold);padding:5px 0 5px 20px;color:#52615b;margin:24px 0}.media{min-width:0}.media img,.content-image{display:block;max-width:100%;height:auto;object-fit:contain;border:1px solid var(--border);border-radius:12px;background:#fff}.content-image{margin:22px auto}.img-sm{max-width:360px;max-height:240px}.img-md{max-width:430px;max-height:300px}.img-mobile{max-width:240px;max-height:380px}.home{width:min(calc(100% - 64px),1180px);margin:0 auto;padding-bottom:70px;min-width:0}.home section{padding:56px 0;min-width:0}.home section+section{border-top:1px solid var(--border)}.home-lead{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:54px;align-items:center;min-height:390px}.home-lead .copy{max-width:650px}.home-lead p{font-size:17px}.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.cta-row a{display:inline-flex;align-items:center;min-height:44px;padding:8px 15px;border-radius:9px;text-decoration:none;border:1px solid var(--green)}.cta-row a:first-child{background:var(--green);color:white}.home-lead .media{display:flex;justify-content:flex-end}.home-lead img{max-width:430px;max-height:300px}.reading-lines{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:34px}.reading-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.55fr);gap:22px;align-items:end;background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px}.reading-main img{max-height:180px}.reading-minors{display:grid;gap:18px;align-content:start}.minor-line{padding:18px 0;border-bottom:1px solid var(--border)}.purpose-layout{display:grid;grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr);gap:44px;align-items:start}.purpose-list{display:grid;gap:10px}.purpose-list span{display:block;padding:10px 0;border-bottom:1px solid var(--border);font-weight:700;color:var(--title)}.purpose-copy{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,.7fr);gap:24px;align-items:center}.people-world{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(250px,.6fr);gap:40px}.people-world .main-piece img{max-width:520px;max-height:260px;margin-top:20px}.people-world aside img{max-width:300px;max-height:200px;margin-top:18px}.essay-insert{max-width:780px}.essay-insert .content-image{margin:28px 0}.lab-layout{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:42px;align-items:start}.lab-layout img{max-width:360px;max-height:300px}.steps-line{max-width:820px;margin-left:50px;border-left:2px solid var(--gold);padding-left:30px}.step{position:relative;padding:0 0 24px}.step::before{content:"";position:absolute;left:-37px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--orange)}.step-visual{margin:10px 0 28px}.step-visual img{max-width:360px;max-height:200px}.topics-home{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:32px}.topic-feature{background:var(--sand);padding:24px;border-radius:14px}.topic-feature img{max-width:420px;max-height:240px;margin-top:20px}.topic-shortlist{display:grid;gap:16px}.topic-short{border-bottom:1px solid var(--border);padding-bottom:16px}.letter-home{display:grid;grid-template-columns:minmax(0,760px) minmax(220px,1fr);gap:34px;align-items:center}.letter-home img{max-width:330px;max-height:230px}.continue-home{display:grid;grid-template-columns:260px minmax(0,1fr);gap:38px;align-items:center}.continue-home img{max-width:240px;max-height:380px}.service-strip{display:flex;flex-wrap:wrap;gap:10px 18px;padding-top:18px;margin-top:18px;border-top:1px solid var(--border)}
.index-list{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px}.index-list nav{position:sticky;top:18px;align-self:start}.index-list nav a{display:block;padding:7px 0}.long-lines{display:grid;gap:26px}.long-line{padding-bottom:24px;border-bottom:1px solid var(--border)}.mood-chapter{display:grid;grid-template-columns:140px minmax(0,1fr);gap:26px;padding:26px 0;border-bottom:1px solid var(--border)}.mood-chapter .mood-tag{color:var(--orange);font-weight:750}.numbered-flow{display:grid;grid-template-columns:68px minmax(0,1fr);gap:20px;padding:24px 0;border-bottom:1px solid var(--border)}.numbered-flow .num{font-size:28px;color:var(--gold);font-weight:800}.people-block{padding:26px 0}.people-block.wide{max-width:900px}.people-block.mid{max-width:760px;margin-left:80px}.people-block.narrower{max-width:650px;margin-left:auto}.world-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:40px}.world-index{border-left:1px solid var(--border);padding-left:22px}.world-index a{display:block;padding:6px 0}.scene-chapter{padding:24px 0;border-top:1px solid var(--border)}.scene-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:15px}.scene-meta div{background:var(--soft);padding:14px;border-radius:10px}.path-row{display:grid;grid-template-columns:110px minmax(0,1fr);gap:24px;padding:22px 0;border-bottom:1px solid var(--border)}.sound-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:36px}.sound-list{background:var(--soft);padding:18px;border-radius:12px;align-self:start}.sound-list li{margin:8px 0}.ai-focus{display:grid;grid-template-columns:minmax(280px,430px) minmax(0,1fr);gap:34px;align-items:center}.ai-focus img{max-height:300px}.flow-step{padding:25px 0;border-bottom:1px solid var(--border)}.writing-note{max-width:760px}.writing-duo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:24px;margin:26px 0}.article-one,.article-two,.article-three{padding:36px 0;border-top:1px solid var(--border)}.article-one{max-width:780px}.article-two{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.65fr);gap:32px}.article-three{max-width:680px;margin-left:auto}.topic-group{padding:32px 0;border-top:1px solid var(--border)}.topic-group.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}.topic-vertical article{padding:14px 0;border-bottom:1px solid var(--border)}.archive-group{display:grid;grid-template-columns:180px minmax(0,1fr);gap:28px;padding:24px 0;border-bottom:1px solid var(--border)}.archive-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 20px}.beginner-step{display:grid;grid-template-columns:70px minmax(0,1fr);gap:22px;padding:24px 0;border-bottom:1px solid var(--border)}.mobile-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start}.mobile-layout img{max-width:240px;max-height:380px}.problem-row{display:grid;grid-template-columns:170px minmax(0,1fr);gap:26px;padding:22px 0;border-bottom:1px solid var(--border)}.terms section{padding:18px 0;border-bottom:1px solid var(--border)}.faq-list article{padding:0 0 24px;margin-bottom:24px;border-bottom:1px solid var(--border)}.contact-types{display:grid;gap:14px}.contact-types article{padding:16px 0;border-bottom:1px solid var(--border)}.about-block{padding:28px 0;border-top:1px solid var(--border)}
.site-footer{background:var(--footer);color:var(--footertext);padding:46px 0 28px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:28px}.site-footer h2{font-size:17px;color:#fff;margin-bottom:10px}.site-footer p{color:#d7ddd8;font-size:14px}.site-footer a{display:block;color:#f4f3ed;text-decoration:none;font-size:14px;padding:4px 0}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.16);margin-top:30px;padding-top:18px;font-size:14px;color:#d7ddd8}.footer-bottom a{display:inline}.bottom-nav{display:none}
@media(max-width:1024px){.wrap,.home,.page-shell{width:min(calc(100% - 44px),1180px)}.primary-nav{gap:14px}.reading-lines,.topics-home{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-brand{grid-row:span 2}.lab-layout{grid-template-columns:300px minmax(0,1fr)}}
@media(max-width:767px){.wrap,.home,.page-shell{width:calc(100% - 32px)}.header-row{min-height:60px;gap:10px}.primary-nav,.header-actions{display:none}.mobile-actions{display:flex}.brand-logo{height:27px;max-width:120px}.brand-name{font-size:16px}.directory-desktop{display:none}.directory-mobile{display:block}.directory-mobile section+section{margin-top:18px}.directory-mobile section>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 14px}.directory-mobile a{padding:7px 0;text-decoration:none;border-bottom:1px solid #edf0ec}.page-shell{padding:28px 0 86px}.page-intro{margin-bottom:22px;padding-bottom:24px}.page-intro h1,.home-lead h1{font-size:28px;line-height:1.35}h2{font-size:22px;line-height:1.4}h3{font-size:18px;line-height:1.5}body{font-size:16px;line-height:1.8}.home{padding-bottom:86px}.home section{padding:40px 0}.home-lead{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;min-height:0}.home-lead .media{justify-content:flex-start}.home-lead img{max-width:100%;max-height:220px}.cta-row a{flex:0 1 auto}.reading-lines,.reading-main,.purpose-layout,.purpose-copy,.people-world,.lab-layout,.topics-home,.letter-home,.continue-home,.index-list,.world-layout,.sound-layout,.ai-focus,.writing-duo,.article-two,.topic-group.split,.mobile-layout,.problem-row,.archive-group,.mood-chapter,.numbered-flow,.path-row,.beginner-step,.scene-meta{grid-template-columns:minmax(0,1fr);grid-column:auto;grid-row:auto;grid-area:auto}.reading-lines>* ,.reading-main>* ,.purpose-layout>* ,.purpose-copy>* ,.people-world>* ,.lab-layout>* ,.topics-home>* ,.letter-home>* ,.continue-home>* ,.index-list>* ,.world-layout>* ,.sound-layout>* ,.ai-focus>* ,.writing-duo>* ,.article-two>* ,.topic-group.split>* ,.mobile-layout>* ,.problem-row>* ,.archive-group>* ,.mood-chapter>* ,.numbered-flow>* ,.path-row>* ,.beginner-step>* ,.scene-meta>*{grid-column:auto!important;grid-row:auto!important;grid-area:auto!important;min-width:0;width:auto}.reading-main{padding:18px}.people-block.mid,.people-block.narrower,.article-three{margin-left:0;max-width:none}.steps-line{margin-left:14px;padding-left:24px}.step::before{left:-31px}.index-list nav{position:static;border-bottom:1px solid var(--border);padding-bottom:14px}.world-index{border-left:0;border-top:1px solid var(--border);padding-left:0;padding-top:18px}.archive-links{grid-template-columns:minmax(0,1fr)}.mood-chapter .mood-tag,.numbered-flow .num,.path-row>h2,.beginner-step .num{margin-bottom:0}.mobile-layout img{max-width:190px;max-height:290px}.footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 18px}.footer-brand{grid-column:1/-1;grid-row:auto}.footer-bottom{padding-bottom:56px;flex-direction:column}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));min-height:56px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.bottom-nav a{display:flex;align-items:center;justify-content:center;text-decoration:none;color:var(--title);font-size:15px;min-width:0}.img-sm,.img-md,.content-image{max-width:100%;max-height:200px}.site-footer{padding-bottom:0}}
@media(max-width:390px){.directory-mobile section>div{grid-template-columns:minmax(0,1fr)}.brand-logo{display:none}.mobile-actions{gap:6px}.directory-toggle{padding-inline:11px}.footer-grid{grid-template-columns:minmax(0,1fr)}.footer-brand{grid-column:auto}}
@media (min-width:768px) and (max-width:900px){.purpose-layout{grid-template-columns:minmax(0,1fr)}.purpose-copy{grid-template-columns:minmax(0,1fr) minmax(220px,.65fr)}}
main img.content-image{max-width:min(100%,430px)!important;height:auto}
.home .lab-layout img.content-image{max-width:min(100%,360px)!important}
.home .people-world aside img.content-image{max-width:min(100%,300px)!important}
.home .people-world .main-piece img.content-image{max-width:min(100%,430px)!important}
.home .step-visual img.content-image{max-width:min(100%,360px)!important}
.home .topic-feature img.content-image{max-width:min(100%,420px)!important}
.home .letter-home img.content-image{max-width:min(100%,330px)!important}
.home .continue-home img.content-image,.mobile-layout img.content-image{max-width:min(100%,240px)!important}
@media(max-width:767px){main img.content-image{max-width:100%!important;height:auto}.home .continue-home img.content-image,.mobile-layout img.content-image{max-width:min(100%,190px)!important;max-height:290px!important}}
.brand-icon{display:none;height:27px;width:auto;max-width:34px;object-fit:contain}
@media(max-width:767px){.brand-logo{display:none}.brand-icon{display:block}}