:root{--paper:#FFF8F2;--white:#FFFFFF;--soft:#F3EBE3;--ink:#1A1230;--body:#2C2440;--muted:#5A5270;--faint:#8A8298;--pink:#E11D8F;--indigo:#6366F1;--cyan:#0891B2;--amber:#D97706;--mint:#059669;--line:rgba(26,18,48,.10);--shadow:0 14px 34px rgba(26,18,48,.08);--max:1160px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:150px}body{margin:0;min-width:0;background:var(--paper);color:var(--body);font:400 16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:clip}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--indigo);outline-offset:3px}p{margin:.55em 0 1.1em}h1,h2,h3{font-weight:800;color:var(--ink);line-height:1.33;margin:0}h1{font-size:clamp(28px,3.7vw,34px)}h2{font-size:clamp(21px,2.6vw,25px)}h3{font-size:18px}button{border:0}.shell{width:min(var(--max),calc(100% - 40px));margin-inline:auto;min-width:0}.eyebrow{display:inline-block;font-weight:800;font-size:12px;letter-spacing:.115em;text-transform:uppercase;color:var(--pink)}.accent{color:var(--pink)}.muted{color:var(--muted)}.site-main{padding-top:118px;min-width:0}.section{margin-top:clamp(34px,5.8vw,64px)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:20px}.section-head>div{min-width:0}.section-head h2{margin-top:5px}.section-head p{color:var(--muted);margin:7px 0 0;font-size:15px;max-width:720px}.section-head>a,.inline-arrow{font-size:14px;font-weight:750;color:var(--pink);white-space:nowrap}.section-head>a:hover,.inline-arrow:hover{text-decoration:underline}
/* Full-viewport fixed masthead: never constrain its background to the body container. */
.site-top{position:fixed;inset:0 0 auto;z-index:50;width:100%;box-shadow:0 4px 14px rgba(26,18,48,.045)}.masthead{width:100%;height:72px;background:var(--paper);border-bottom:1px solid var(--line)}.masthead-inner{height:100%;display:grid;grid-template-columns:64px minmax(0,1fr) auto;align-items:center;column-gap:10px}.brand-mark{display:inline-flex;align-items:center;justify-content:center;min-width:0;max-width:100%}.header-brand{justify-self:center}.brand-mark img{width:auto;max-width:min(220px,100%);height:36px;object-fit:contain}.brand-word{display:flex;flex-direction:column;align-items:center;white-space:nowrap;min-width:0;font-size:24px;font-weight:900;line-height:1.15;letter-spacing:.06em;color:var(--ink)}.brand-mini{font-size:9px;letter-spacing:.15em;color:var(--pink);margin-top:4px}.square-button{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;color:var(--ink);background:var(--white);border:1px solid var(--line);transition:background .2s,transform .2s}.square-button:hover{background:#f4eaf6;transform:translateY(-1px)}.menu-icon{width:21px;height:2px;border-radius:2px;background:currentColor;box-shadow:0 -7px 0 currentColor,0 7px 0 currentColor;display:block}.mast-actions{display:flex;align-items:center;gap:10px}.search-icon{position:relative;display:block;width:18px;height:18px;border:2px solid currentColor;border-radius:50%;transform:scale(.8)}.search-icon::after{content:"";width:9px;height:2px;position:absolute;right:-7px;bottom:-3px;transform:rotate(45deg);border-radius:2px;background:currentColor}.app-link{height:44px;border-radius:24px;display:flex;align-items:center;justify-content:center;white-space:nowrap;gap:4px;padding:0 19px;background:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%);color:white;font-weight:800;font-size:14px;box-shadow:0 7px 22px rgba(225,29,143,.15)}.app-link:hover,.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px)}.chapter-band{height:46px;background:#fff;border-bottom:1px solid var(--line);width:100%}.chapter-band-inner{height:100%;display:flex;align-items:stretch;justify-content:center;gap:clamp(18px,3.9vw,44px);white-space:nowrap}.chapter-band a{display:inline-flex;align-items:center;position:relative;font-size:14px;font-weight:700;color:var(--muted);padding:0 2px}.chapter-band a::after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--pink);transform:scaleX(0);transition:transform .18s}.chapter-band a.current{color:var(--pink)}.chapter-band a.current::after,.chapter-band a:hover::after{transform:scaleX(1)}.chapter-band a:hover{color:var(--pink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:46px;white-space:nowrap;padding:0 21px;border-radius:999px;font-size:14px;font-weight:750;transition:filter .15s,transform .15s,background .15s}.btn-primary{color:white;background:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%)}.btn-secondary{color:var(--ink);background:#fff;border:1px solid rgba(26,18,48,.16)}.btn-secondary:hover{background:#f4edf5;transform:translateY(-1px)}.mini-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:18px}.chip{border-radius:999px;display:inline-flex;align-items:center;min-height:34px;font-size:12px;font-weight:800;background:#fff;padding:0 13px;border:1px solid var(--line);color:var(--ink)}
/* Visual paper only, never an image asset or a remote request. */
.art-frame{position:relative;overflow:hidden;min-width:0;display:grid;place-items:center;background:linear-gradient(130deg,#f4ede9 0%,#fff 48%,#efe7f2 100%);border:1px solid var(--line);border-radius:19px;isolation:isolate}.art-frame img{width:100%;height:100%;max-height:100%;object-fit:contain;object-position:center;position:relative;z-index:3}.art-pattern{position:absolute;inset:0;overflow:hidden;pointer-events:none}.art-pattern span{position:absolute;width:32%;aspect-ratio:1;border:2px solid rgba(99,102,241,.1);border-radius:40% 60% 55% 45%;transform:rotate(24deg);background:linear-gradient(120deg,rgba(225,29,143,.05),rgba(99,102,241,.055))}.art-pattern span:nth-child(1){width:43%;top:-25%;left:-10%;transform:rotate(35deg)}.art-pattern span:nth-child(2){right:-7%;bottom:-28%;width:55%;border-color:rgba(8,145,178,.13)}.art-pattern span:nth-child(3){left:40%;top:25%;width:24%;transform:rotate(-22deg)}.art-text{position:relative;z-index:1;color:#b9abc8;font-weight:900;font-size:clamp(10px,1.8vw,17px);letter-spacing:.35em;white-space:nowrap}
/* Home as a lively but readable magazine spread. */
.home-cover{margin-top:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.93fr);gap:clamp(18px,3vw,42px);padding:clamp(20px,3.5vw,38px);align-items:center;position:relative;overflow:hidden}.home-cover::before{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(225,29,143,.1);border-radius:50%;top:-105px;left:35%;pointer-events:none}.cover-text{position:relative;min-width:0}.vertical-caption{writing-mode:vertical-rl;letter-spacing:.14em;color:var(--pink);font-weight:850;font-size:11px;position:absolute;left:0;top:0}.cover-content{padding-left:34px}.cover-content h1{max-width:500px;font-size:clamp(28px,3.4vw,38px);margin:12px 0 15px}.cover-content .lead{color:var(--muted);font-size:16px;line-height:1.84;max-width:540px}.cover-art{min-height:0;height:min(29vw,340px);max-height:360px}.cover-folio{font-size:12px;color:var(--faint);letter-spacing:.16em;display:block;margin-top:21px}.topic-tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.topic-tile{display:flex;flex-direction:column;gap:6px;min-width:0;border:1px solid var(--line);border-radius:16px;padding:18px 16px;background:#fff;transition:transform .2s,box-shadow .2s}.topic-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.topic-tile .dot{display:block;width:11px;height:11px;border-radius:50%;background:var(--pink)}.topic-tile:nth-child(4n+2) .dot{background:var(--indigo)}.topic-tile:nth-child(4n+3) .dot{background:var(--cyan)}.topic-tile:nth-child(4n+4) .dot{background:var(--amber)}.topic-tile h3{font-size:17px;margin-top:3px}.topic-tile p{font-size:14px;line-height:1.65;color:var(--muted);margin:0;flex:1}.topic-tile .tile-open{font-size:13px;color:var(--pink);font-weight:800;margin-top:7px}.today-feature{background:#fff;border-radius:20px;padding:clamp(20px,3vw,34px);display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.25fr);gap:28px;border:1px solid var(--line)}.today-picture{min-height:270px;max-height:360px}.today-copy>p{font-size:15px;color:var(--muted)}.chapter-row{display:grid;grid-template-columns:54px 1fr;gap:13px;border-top:1px solid var(--line);padding:13px 0}.chapter-row .chapter-num{color:var(--pink);font-size:22px;font-weight:900;line-height:1.2}.chapter-row strong{color:var(--ink)}.chapter-row p{font-size:14px;color:var(--muted);margin:4px 0 0;line-height:1.6}.feature-cards{display:grid;grid-template-columns:1.1fr .93fr 1fr;gap:15px;align-items:stretch}.feature-card{min-width:0;border-radius:19px;background:#fff;border:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:12px}.feature-card:nth-child(2){margin-top:24px}.feature-card:nth-child(3){margin-top:8px}.feature-card .art-frame{height:180px}.feature-card h3{font-size:20px}.feature-card p{font-size:15px;color:var(--muted);margin:0;flex:1}.feature-card>a{color:var(--pink);font-size:14px;font-weight:800;align-self:flex-start}.split-feature{display:grid;grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);gap:26px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:20px;align-items:center}.split-feature .art-frame{height:245px}.split-feature p{color:var(--muted)}.step-four{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.mini-step{padding:19px;border-radius:16px;border:1px solid var(--line);background:#fff}.mini-step>b{font-size:24px;color:var(--indigo);font-weight:900}.mini-step h3{margin:12px 0 8px}.mini-step p{font-size:14px;color:var(--muted);margin:0}.theme-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.theme-cell{position:relative;min-width:0;background:#fff;border:1px solid var(--line);padding:21px;border-radius:17px;min-height:151px}.theme-cell:nth-child(1),.theme-cell:nth-child(6){background:#f6effb}.theme-cell:nth-child(2),.theme-cell:nth-child(5){background:#edf7f9}.theme-cell:nth-child(3){background:#fff6e9}.theme-cell:nth-child(4){background:#eef7f0}.theme-cell h3{margin:3px 0 7px}.theme-cell p{color:var(--muted);font-size:14px;margin:0}.theme-cell a{display:inline-block;color:var(--pink);font-size:13px;font-weight:800;margin-top:11px}.shelf-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.72fr);gap:16px}.shelf-list{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden}.shelf-link{display:grid;grid-template-columns:38px minmax(0,1fr) 18px;gap:15px;align-items:center;padding:19px 22px;border-bottom:1px solid var(--line)}.shelf-link:last-child{border-bottom:0}.shelf-link:hover{background:#fbf5fc}.shelf-link b{font-size:17px}.shelf-link p{font-size:14px;color:var(--muted);margin:3px 0 0}.shelf-link .shelf-id{color:var(--pink);font-size:19px;font-weight:900}.shelf-visual{min-height:255px}.editor-layout{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:18px;align-items:center}.editor-visual{height:285px}.editor-list{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.editor-list a{display:grid;grid-template-columns:49px 1fr 16px;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:13px 16px;font-size:15px}.editor-list a:last-child{border:0}.editor-list a:hover{background:#fcf5fb}.editor-list b{font-size:25px;color:var(--pink)}.editor-list a:nth-child(2) b{color:var(--indigo)}.editor-list a:nth-child(3) b{color:var(--cyan)}.editor-list a:nth-child(4) b{color:var(--amber)}.editor-list a:nth-child(5) b{color:var(--mint)}.season-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:22px}.season-visual{height:260px}.season-nodes{border-left:2px solid rgba(99,102,241,.23);margin:0 0 0 12px;padding:0 0 0 22px}.season-node{position:relative;padding:0 0 16px}.season-node::before{content:"";position:absolute;left:-31px;top:9px;width:14px;height:14px;background:var(--pink);border:3px solid var(--paper);border-radius:100%}.season-node strong{font-size:17px;color:var(--ink)}.season-node p{font-size:14px;margin:5px 0;color:var(--muted)}.status{display:inline-block;color:#553350;font-size:12px;font-weight:800;border:1px solid rgba(225,29,143,.18);background:#f9ebf2;border-radius:99px;padding:2px 10px}.app-panel{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:30px;align-items:center;border-radius:20px;padding:28px;background:linear-gradient(125deg,#f4eefb,#fff 70%);border:1px solid var(--line)}.app-panel .art-frame{height:340px;max-height:360px;max-width:290px;margin:auto;width:100%}.app-panel h2{margin-top:13px}.app-panel .app-lead{font-size:15px;color:var(--body)}.icon-inline{display:flex;align-items:center;gap:12px;margin-bottom:10px}.icon-inline img{max-width:62px;max-height:62px;object-fit:contain}.fine-print{font-size:14px;color:var(--muted)}.home-note-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.home-note-grid article{border-radius:18px;padding:24px;background:#fff;border:1px solid var(--line)}.home-note-grid p{font-size:15px;color:var(--muted)}.home-faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.home-faq details{border:1px solid var(--line);border-radius:15px;padding:15px 18px;background:#fff}.home-faq summary{font-weight:800;color:var(--ink);cursor:pointer}.home-faq p{font-size:14px;color:var(--muted)}.about-note{background:#fff;border-radius:20px;padding:27px;border:1px solid var(--line);margin-bottom:54px}.about-note p{color:var(--muted)}
/* Inner pages, seven distinct editorial treatments. */
.inner-page{padding-top:22px;padding-bottom:58px}.inner-cover{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);align-items:center;gap:24px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(22px,3.5vw,36px);min-height:260px}.inner-cover .inner-copy{min-width:0}.inner-cover .fold-label{font-weight:750;color:var(--pink);font-size:13px;margin:13px 0 7px}.inner-cover .inner-intro{max-width:690px;color:var(--muted);font-size:16px;margin:14px 0}.inner-art{height:225px}.inner-cover.acc-indigo{border-top:5px solid var(--indigo)}.inner-cover.acc-pink{border-top:5px solid var(--pink)}.inner-cover.acc-cyan{border-top:5px solid var(--cyan)}.inner-cover.acc-amber{border-top:5px solid var(--amber)}.inner-cover.acc-mint{border-top:5px solid var(--mint)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:27px;margin-top:30px;align-items:start}.article-body{min-width:0}.side-note{border-left:3px solid var(--pink);background:#fff;border-radius:0 13px 13px 0;padding:22px;position:sticky;top:145px;color:var(--muted);font-size:14px}.side-note>span{display:block;font-size:11px;font-weight:900;letter-spacing:.1em;color:var(--pink);margin-bottom:12px}.side-note strong{display:block;color:var(--ink);font-size:18px}.side-note a{color:var(--pink);font-weight:850}.index-entry{display:grid;grid-template-columns:58px minmax(0,1fr);gap:20px;border-bottom:1px solid var(--line);padding:23px 0}.index-entry:first-child{padding-top:0}.index-digit{color:var(--pink);font-size:29px;font-weight:850;line-height:1.2}.index-entry h2{font-size:22px}.index-entry p,.step-entry p,.topic-entry p,.prose-entry p{font-size:16px;line-height:1.82;margin:12px 0 0;color:var(--body)}.topic-grid-inner{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.topic-entry{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;min-width:0}.topic-index{font-size:25px;font-weight:900;color:var(--pink)}.topic-index span{color:#dad0e1}.topic-entry h2{font-size:21px;margin:8px 0}.mosaic-inner .topic-entry:nth-child(4n+2){background:#f7f4fc}.mosaic-inner .topic-entry:nth-child(4n+3){background:#eef8fb}.shelf-inner .topic-entry:nth-child(odd){border-left:4px solid var(--cyan)}.numeric-inner .topic-entry:nth-child(2n){border-top:4px solid var(--indigo)}.step-stack{position:relative;padding-left:16px;border-left:2px solid rgba(99,102,241,.23)}.step-entry{position:relative;margin-left:22px;margin-bottom:25px;padding:21px 23px;background:#fff;border-radius:16px;border:1px solid var(--line)}.step-entry::before{content:"";position:absolute;left:-47px;top:31px;background:var(--pink);border:3px solid var(--paper);border-radius:50%;width:15px;height:15px}.step-dot{font-size:14px;font-weight:900;color:var(--pink);display:inline-block;margin-bottom:6px}.step-entry h2{font-size:22px}.timeline-stack .step-entry:nth-child(2n){background:#f8f5fd}.prose-stack{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px clamp(20px,3.5vw,42px)}.prose-entry{padding:25px 0;border-bottom:1px solid var(--line)}.prose-entry:last-child{border-bottom:0}.prose-index{font-size:11px;font-weight:800;letter-spacing:.06em;color:var(--pink)}.prose-entry h2{margin-top:6px}.letter-stack{border-left:5px solid var(--cyan)}.essay-stack{border-top:5px solid var(--pink)}.policy-stack{border-left:5px solid var(--indigo)}.next-spread{margin-top:30px;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:24px;border:1px solid var(--line);background:var(--soft);padding:25px;border-radius:18px}.next-spread p{font-size:15px;color:var(--muted)}.related-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-content:center}.related-link-grid a{min-width:0;min-height:44px;background:#fff;border:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;border-radius:11px;padding:10px 14px;font-size:14px;font-weight:750}.related-link-grid a:hover{color:var(--pink);border-color:rgba(225,29,143,.3)}
/* Real HTML details keep answers readable even with JavaScript disabled. */
.faq-hero{padding:34px;background:#fff;border-radius:22px;border:1px solid var(--line)}.faq-hero h1{margin:12px 0}.faq-hero p{max-width:760px;color:var(--muted)}.faq-page-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:27px;margin-top:22px}.faq-item{border-radius:16px;background:#fff;border:1px solid var(--line);margin:0 0 12px;padding:0 20px}.faq-item summary{display:flex;align-items:center;gap:14px;min-height:65px;list-style:none;cursor:pointer;font-size:17px;font-weight:800;color:var(--ink)}.faq-item summary::-webkit-details-marker{display:none}.faq-num{color:var(--pink);font-weight:900}.faq-plus{margin-left:auto;font-size:22px;color:var(--pink)}.faq-item[open] .faq-plus{transform:rotate(45deg)}.faq-item p{font-size:16px;line-height:1.75;color:var(--body);padding:0 0 17px 37px;margin:0}.faq-aside{background:var(--soft);border-radius:16px;padding:22px;align-self:start}.faq-aside strong{color:var(--ink)}.faq-aside p{color:var(--muted);font-size:14px}.faq-aside a{display:block;color:var(--pink);padding:8px 0;font-weight:750;font-size:14px}
/* Footer */
.site-footer{background:var(--ink);color:#F7EFE6;border-top:4px solid var(--pink);margin-top:15px;font-size:13px}.footer-main{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:35px;padding-block:49px 30px}.footer-intro p{max-width:325px;color:#d9d0df;font-size:14px}.footer-brand{display:flex;align-items:center;gap:13px;flex-wrap:wrap}.footer-brand .brand-mark{justify-content:flex-start}.footer-brand .brand-word{font-size:22px;color:white;align-items:flex-start}.footer-brand .brand-mini{color:#f4c8e8}.footer-brand .brand-mark img{height:30px;max-width:180px}.footer-brand>span{font-size:12px;color:#bca8cd;letter-spacing:.12em}.footer-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.footer-columns h3{color:#fff;font-size:15px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.17);margin-bottom:9px}.footer-columns a{display:block;color:#ded4e5;padding:5px 0;font-size:13px}.footer-columns a:hover{color:#fff;text-decoration:underline}.footer-policy{border-top:1px solid rgba(255,255,255,.15);padding:14px 0 25px;display:flex;gap:22px;justify-content:space-between;color:#cfc4d7;font-size:12px}.footer-policy p{margin:0}
/* Overlays */
body.has-dialog{overflow:hidden}.overlay{position:fixed;inset:0;background:rgba(20,14,36,.58);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s}.overlay.visible{opacity:1;visibility:visible;pointer-events:auto}.book-modal,.search-modal{visibility:hidden;pointer-events:none;opacity:0;position:fixed;z-index:100;transition:opacity .15s,transform .2s}.book-modal.is-open,.search-modal.is-open{visibility:visible;pointer-events:auto;opacity:1}.book-modal{top:50%;left:50%;width:min(840px,calc(100vw - 32px));max-height:calc(100dvh - 50px);overflow-y:auto;background:#fff9f5;border:1px solid rgba(255,255,255,.5);border-radius:20px;box-shadow:0 28px 100px rgba(14,8,28,.35);transform:translate(-50%,-46%)}.book-modal.is-open{transform:translate(-50%,-50%)}.book-head{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5;gap:15px;border-bottom:1px solid var(--line);padding:15px 24px;background:#fffaf6}.book-brand{display:flex;align-items:center;gap:17px;min-width:0}.book-brand>.brand-mark{justify-content:flex-start}.book-brand .brand-word{font-size:19px}.book-brand img{height:28px;max-width:170px}.book-brand strong{color:var(--ink);font-size:14px;white-space:nowrap}.book-actions{display:flex;align-items:center;gap:9px}.text-tool,.close-button{background:#fff;min-height:44px;padding:7px 12px;border:1px solid var(--line);border-radius:10px;white-space:nowrap;color:var(--ink);font-size:14px;font-weight:800}.close-button span{font-size:20px;line-height:1;margin-left:4px}.text-tool:hover,.close-button:hover{background:#f7edf9}.book-pages{display:grid;grid-template-columns:1fr 1fr;gap:0;background:linear-gradient(90deg,#fffaf5 49.95%,rgba(26,18,48,.08) 50%,#fff 50.05%);padding:14px 18px 24px}.book-group{padding:15px;min-width:0}.book-group h2{font-size:18px;border-bottom:1px solid var(--line);padding-bottom:9px;margin-bottom:9px}.book-group h2 span{color:var(--pink);font-size:10px;letter-spacing:.1em;font-weight:800;margin-left:6px}.book-links{display:flex;flex-direction:column}.book-links a{display:grid;grid-template-columns:72px minmax(0,1fr) 16px;gap:7px;align-items:center;min-height:57px;padding:10px 6px;border-bottom:1px solid var(--line)}.book-links a:hover{background:#faeef5}.book-links a b{font-size:14px;color:var(--ink);white-space:normal}.book-links a small{font-size:12px;color:var(--muted);line-height:1.5}.book-arrow{color:var(--pink)}.search-modal{top:50%;left:50%;width:min(600px,calc(100vw - 32px));max-height:calc(100dvh - 40px);overflow:auto;background:#fff;border-radius:20px;padding:26px;box-shadow:0 25px 100px rgba(14,8,28,.35);transform:translate(-50%,-46%)}.search-modal.is-open{transform:translate(-50%,-50%)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.search-modal h2{margin:14px 0 23px;font-size:25px}.search-entry{display:flex;align-items:center;min-height:52px;border-radius:12px;gap:12px;padding:0 14px;border:1px solid var(--line);background:#f9f6fa}.search-entry .search-icon{flex:none}.search-entry input{min-width:0;width:100%;outline:none;border:none;background:transparent;color:var(--ink);font-size:15px}.search-entry>span:last-child{white-space:nowrap;font-size:11px;color:var(--muted)}.search-results{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:19px}.search-results a{border:1px solid var(--line);min-height:49px;display:flex;align-items:center;justify-content:space-between;padding:10px 13px;border-radius:11px;font-weight:750}.search-results a:hover{background:#f9ebf4;color:var(--pink)}.search-results a[hidden]{display:none!important}.search-empty{color:var(--muted);font-size:14px}.bottom-nav{display:none}
@media(max-width:1020px){.article-layout,.faq-page-layout{grid-template-columns:minmax(0,1fr)}.side-note{position:static;max-width:none}.footer-main{grid-template-columns:1fr;gap:24px}.footer-intro p{max-width:700px}.topic-grid-inner{gap:12px}}
@media(max-width:767px){html{scroll-padding-top:92px}.shell{width:calc(100% - 32px)}.site-main{padding-top:72px}.masthead{height:72px}.masthead-inner{grid-template-columns:48px minmax(0,1fr) 88px;gap:4px}.brand-word{font-size:19px}.brand-mini{font-size:8px;letter-spacing:.08em}.brand-mark img{max-width:100%;height:30px}.mast-actions{gap:0;justify-content:end}.mast-actions .search-toggle{display:none}.app-link{min-height:44px;padding:0 10px;font-size:13px;width:88px}.chapter-band{display:none}.home-cover{margin-top:16px;grid-template-columns:minmax(0,1fr);padding:19px;gap:17px}.cover-content{padding-left:25px}.vertical-caption{font-size:9px}.cover-content h1{font-size:28px}.cover-content .lead{font-size:15px}.cover-art{height:190px;max-height:260px;order:-1}.section{margin-top:33px}.section-head{align-items:flex-start}.section-head>a{margin-top:3px}.topic-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.topic-tile{padding:13px 12px;min-height:157px}.topic-tile h3{font-size:16px}.topic-tile p{font-size:13px}.today-feature,.split-feature,.editor-layout,.season-layout,.shelf-layout,.app-panel{grid-template-columns:minmax(0,1fr);gap:16px;padding:17px}.today-picture{height:205px;min-height:0}.feature-cards{grid-template-columns:1fr}.feature-card:nth-child(n){margin-top:0}.feature-card .art-frame{height:184px}.step-four{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mini-step{padding:15px}.theme-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.theme-cell{padding:16px;min-height:172px}.theme-cell h3{font-size:17px}.theme-cell p{font-size:13px}.shelf-visual,.editor-visual,.season-visual{height:205px;min-height:0}.shelf-list{order:0}.home-note-grid,.home-faq{grid-template-columns:1fr}.app-panel .art-frame{height:290px;max-width:220px}.inner-page{padding-top:16px}.inner-cover{grid-template-columns:minmax(0,1fr);padding:20px;gap:15px}.inner-cover .inner-intro{font-size:15px}.inner-art{height:180px;order:-1}.article-layout{margin-top:18px}.topic-grid-inner{grid-template-columns:1fr}.topic-entry{padding:20px}.index-entry{grid-template-columns:39px 1fr;gap:13px;padding:19px 0}.index-digit{font-size:23px}.index-entry h2,.step-entry h2,.topic-entry h2{font-size:21px}.step-stack{padding-left:6px}.step-entry{margin-left:16px;padding:19px}.step-entry::before{left:-33px}.prose-stack{padding:15px 20px}.prose-entry{padding:21px 0}.next-spread{grid-template-columns:1fr;padding:20px}.faq-hero{padding:20px}.faq-page-layout{gap:16px}.faq-item{padding:0 14px}.faq-item summary{font-size:15px}.faq-item p{padding-left:24px;font-size:15px}.footer-main{padding:38px 0 23px}.footer-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 14px}.footer-policy{display:block;padding-bottom:17px}.footer-policy p+ p{margin-top:9px}.site-footer{margin-bottom:0}.bottom-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:calc(50px + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);position:fixed;inset:auto 0 0;z-index:40;width:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 20px rgba(26,18,48,.09)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;min-width:0;font-size:11px;font-weight:750;color:var(--muted);line-height:1.35}.bottom-nav a .mobile-symbol{font-size:19px;line-height:1.15}.bottom-nav a.selected{color:var(--pink);background:#fff0f8}.bottom-nav a:hover{color:var(--pink)}body{padding-bottom:calc(60px + env(safe-area-inset-bottom,0px))}.book-modal{width:calc(100vw - 24px);max-height:calc(100dvh - 32px);border-radius:15px}.book-head{padding:11px 13px}.book-brand{gap:8px}.book-brand strong{font-size:13px}.book-brand .brand-word{font-size:15px}.book-brand img{height:25px;max-width:110px}.book-actions{gap:5px}.text-tool,.close-button{font-size:12px;padding:7px 9px}.book-pages{grid-template-columns:1fr;padding:8px 12px;background:#fffaf6}.book-group{padding:11px 7px}.book-links a{grid-template-columns:71px minmax(0,1fr) 14px;min-height:54px;gap:8px}.book-links a b{font-size:13px}.book-links a small{font-size:12px}.search-modal{padding:20px}.search-modal h2{font-size:21px}.search-entry>span:last-child{display:none}}
@media(max-width:360px){.app-link{font-size:12px;width:82px}.masthead-inner{grid-template-columns:46px minmax(0,1fr) 82px}.brand-word{font-size:17px}.cover-content h1{font-size:26px}.book-brand strong{display:none}.search-results a{font-size:13px;padding:9px}.topic-tiles{gap:8px}.topic-tile{padding:11px 10px}.theme-cell{padding:13px}.section-head h2{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}

.step-four.after-split{margin-top:13px}.theme-wall.after-visual{margin-top:14px}.about-note h2{margin-top:9px}.section-head>a,.inline-arrow,.feature-card>a,.theme-cell a{display:inline-flex;align-items:center;min-height:44px}.footer-columns a{min-height:44px;padding:9px 0}.related-link-grid a{min-height:44px}
.theme-main-art{height:clamp(150px,20vw,240px)}.app-icon-box{width:62px;height:62px;flex:none;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#6366F1,#E11D8F);font-weight:900;color:#fff;letter-spacing:.1em}.app-icon-box img{width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain}