@charset "UTF-8";
:root{color-scheme:light;--paper:#f7f6ef;--ink:#25483f;--muted:#68736b;--orange:#b45434;--line:#d9ddd2;--sans:"Avenir Next","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--serif:"Iowan Old Style","Baskerville","Songti SC","Noto Serif CJK SC",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}p,h1,h2,h3{margin:0}::selection{background:#efd980;color:var(--ink)}.wrap{width:min(1240px,calc(100% - 112px));margin-inline:auto}.skip-link{position:absolute;top:-100px;left:20px;z-index:10;padding:14px 22px;background:var(--ink);color:white;border-radius:8px}.skip-link:focus{top:12px}:focus-visible{outline:3px solid var(--orange);outline-offset:6px}.site-header{height:110px;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:30px}.brand{display:inline-flex;align-items:center;gap:11px;font-family:var(--serif);font-size:31px;letter-spacing:-1.3px;font-weight:700}.brand img{width:35px;height:35px}.brand-dot{color:var(--orange)}.header-note{font-size:12px;letter-spacing:2px;margin-left:12px;padding-left:26px;border-left:1px solid var(--line)}.header-link{margin-left:auto;font-size:13px;display:flex;align-items:center;gap:22px;min-height:44px}.header-link span{font-size:23px}.header-link:hover{color:var(--orange)}.hero{padding:69px 0 59px;display:flex;align-items:center;justify-content:space-between;gap:30px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2.5px;line-height:1.8;display:flex;align-items:center;gap:10px}.tiny-flower{font-size:20px;color:var(--orange);line-height:1}h1{font-size:clamp(54px,5.5vw,79px);font-family:var(--serif);font-weight:600;line-height:1.3;letter-spacing:-2px;margin:22px 0 21px}h1>span{color:var(--orange)}.hero-description{font-size:14px;color:var(--muted);line-height:1.9;letter-spacing:.4px}.mobile-break{display:none}.hero-aside{width:270px;margin:12px 47px 0 0;text-align:center;transform:rotate(7deg)}.sun-doodle{width:140px;height:140px;margin-bottom:17px}.aside-handwriting{font-family:var(--serif);font-size:19px;letter-spacing:2px}.aside-caption{display:block;margin-top:11px;font-family:var(--serif);font-size:14px;font-style:italic;color:var(--muted);letter-spacing:.6px}.section-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:21px}.section-label h2{font-size:15px;font-weight:500;letter-spacing:1px}.section-label>span{font-size:11px;letter-spacing:1px;color:var(--muted)}.world-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.world-card{display:block;min-width:0;border-radius:19px;overflow:hidden;position:relative;border:1px solid rgba(37,72,63,.10);transition:transform .3s,box-shadow .3s;background:#f6ebe1}.learn-card{background:#eaf0e6}.world-image{position:relative;aspect-ratio:1.66;overflow:hidden;background:#f1d9c6}.learn-card .world-image{background:#dce9d8}.world-image>img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.65,.3,1)}.image-label{position:absolute;left:23px;top:22px;display:flex;align-items:center;gap:8px;padding:9px 12px;background:rgba(247,246,239,.92);border-radius:5px;font-size:9px;letter-spacing:1.5px;font-weight:600}.label-dot{width:6px;height:6px;border-radius:50%;background:var(--orange)}.learn-card .label-dot{background:var(--ink)}.world-number{position:absolute;right:24px;top:23px;font-family:var(--serif);font-size:23px;color:var(--ink);opacity:.65}.world-content{padding:29px 30px 24px}.world-title-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.world-kicker{font-size:11px;letter-spacing:2px;margin-bottom:6px;color:#715c4e}.learn-card .world-kicker{color:#52664f}h3{font-family:var(--serif);font-size:43px;line-height:1.13;font-weight:500;letter-spacing:-1.6px}.title-dot{color:var(--orange)}.world-symbol{font-size:49px;font-weight:400;color:var(--orange);line-height:1}.learn-card .world-symbol{color:#53795e}.world-description{font-size:12px;color:#655e51;line-height:1.9;margin-top:18px;min-height:46px}.learn-card .world-description{color:#55654f}.world-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid rgba(37,72,63,.15);margin-top:25px;padding-top:18px}.world-topics{font-size:10px;letter-spacing:1px;color:#665f53}.world-topics>span{margin:0 4px;opacity:.5}.world-action{display:flex;align-items:center;gap:13px;font-size:12px;font-weight:600;white-space:nowrap}.arrow-circle{width:37px;height:37px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--ink);color:var(--paper);font-size:22px;transition:background .25s,transform .25s}.closing{display:grid;grid-template-columns:49px 1fr auto;gap:25px;align-items:start;padding:72px 2px 65px}.closing-flower{font-size:43px;color:#b45434;line-height:1.1}.closing .eyebrow{font-size:8px;letter-spacing:2px;color:var(--muted);margin-bottom:12px}.closing h2{font-family:var(--serif);font-size:25px;font-weight:500;letter-spacing:.4px;line-height:1.5}.closing-copy{font-size:12px;line-height:1.9;color:var(--muted);margin-top:13px}.signature{font-family:var(--serif);font-size:19px;font-style:italic;transform:rotate(-6deg);margin:54px 5px 0 20px;color:#7b806c}.site-footer{border-top:1px solid var(--line);padding:25px 0 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px;letter-spacing:.6px}.site-footer>span:last-child{display:flex;align-items:center;gap:18px}.footer-flower{color:var(--orange);font-size:18px}
@media(hover:hover){.world-card:hover{transform:translateY(-5px);box-shadow:0 16px 30px -20px rgba(37,72,63,.3)}.world-card:hover .world-image>img{transform:scale(1.035)}.world-card:hover .arrow-circle{background:var(--orange);transform:rotate(45deg)}}
@media(min-width:1500px){.hero{padding-top:81px;padding-bottom:70px}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.header-note{display:none}.hero-aside{margin-right:15px;width:200px}.world-grid{gap:20px}.world-content{padding:24px}.world-symbol{font-size:38px}h3{font-size:35px}.world-description br{display:none}.world-description{min-height:69px}.world-topics{letter-spacing:0}.world-topics>span{margin:0 1px}.signature{display:none}.closing{grid-template-columns:42px 1fr}.hero-description{font-size:13px}}
@media(max-width:720px){.wrap{width:calc(100% - 40px)}.site-header{height:85px}.brand{font-size:28px}.brand img{width:29px;height:29px}.header-link{font-size:12px;gap:11px}.hero{padding:43px 0 38px;position:relative;display:block}.eyebrow{font-size:8px;letter-spacing:1.7px}.tiny-flower{font-size:16px}h1{font-size:clamp(43px,9.4vw,65px);letter-spacing:-1px;line-height:1.32;margin:20px 0}.hero-description{font-size:12px;line-height:1.9;letter-spacing:0}.mobile-break{display:block}.hero-aside{position:absolute;right:0;top:62px;width:92px;margin:0;transform:rotate(9deg)}.sun-doodle{width:83px;height:83px;margin:0}.aside-handwriting,.aside-caption{display:none}.section-label{margin-bottom:16px}.section-label h2{font-size:13px}.section-label>span{font-size:9px;letter-spacing:0}.world-grid{grid-template-columns:1fr;gap:25px}.world-card{border-radius:15px}.world-image{aspect-ratio:1.55}.world-content{padding:25px 24px 21px}.world-image>img{object-position:center center}.image-label{left:19px;top:18px;font-size:8px}.world-number{right:20px;top:18px;font-size:22px}h3{font-size:40px}.world-description{min-height:0;font-size:12px;line-height:1.85}.world-kicker{font-size:10px}.world-bottom{margin-top:22px;padding-top:17px}.world-topics{font-size:10px}.world-action{font-size:11px}.closing{padding:45px 0 38px;gap:14px;grid-template-columns:28px 1fr}.closing-flower{font-size:28px}.closing h2{font-size:23px}.closing-copy{font-size:11px}.closing-copy br{display:none}.closing .eyebrow{font-size:7px;letter-spacing:1.4px}.site-footer{padding:21px 0 26px;font-size:9px;letter-spacing:0}.site-footer>span:last-child{gap:10px}.footer-flower{font-size:15px}}
@media(max-width:370px){.wrap{width:calc(100% - 32px)}.brand{font-size:25px}.hero-aside{width:65px;top:73px;right:0}.sun-doodle{width:65px;height:65px}.world-content{padding:22px 19px}h3{font-size:35px}.world-symbol{font-size:33px}.world-topics{font-size:9px}.world-action{gap:8px}.section-label>span{font-size:8px}.site-footer{gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}