:root{--paper:#FFF8F2;--white:#fff;--paper-deep:#F3EBE3;--ink:#1A1230;--text:#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);--gradient:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:144px}
body{margin:0;color:var(--text);background:var(--paper);font:400 16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;overflow-x:clip;padding-top:118px;min-width:0}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}button{cursor:pointer}
img{max-width:100%;height:auto;display:block;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}
a,button{transition:background-color .16s,color .16s,border-color .16s,transform .16s}
[hidden]{display:none!important}
.wrap{width:min(1160px,calc(100% - 32px));margin:0 auto;min-width:0}
.masthead{height:72px;position:fixed;z-index:100;top:0;right:0;left:0;width:100%;background:var(--paper);border-bottom:1px solid var(--line)}
.masthead-inner{max-width:1192px;padding:0 16px;margin:auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;min-width:0;gap:12px}
.menu-square{display:flex;align-items:center;justify-content:center;gap:10px;min-width:96px;width:max-content;height:46px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--ink);font-weight:700;font-size:14px}
.menu-square:hover{border-color:var(--pink);color:var(--pink)}
.menu-bars{width:23px;height:18px;display:flex;justify-content:space-between;flex-direction:column;flex-shrink:0}
.menu-bars i{display:block;width:23px;height:2px;border-radius:2px;background:currentColor}
.site-brand{display:flex;align-items:center;justify-content:center;max-width:100%;min-width:0;min-height:44px}
.brand-img{height:37px;width:auto;max-width:220px;object-fit:contain}
.brand-wordmark{font-size:23px;line-height:1.1;white-space:nowrap;font-weight:850;letter-spacing:.06em;color:var(--ink)}
.brand-dot{color:var(--pink)}
.masthead-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;min-width:0}
.search-action{width:54px;min-height:46px;border:0;background:transparent;color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.search-action>span{font-size:27px;font-family:Georgia,serif;line-height:24px}
.search-action small{font-size:11px;margin-top:2px}
.search-action:hover{color:var(--pink)}
.app-action{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:44px;padding:0 17px;border:1px solid var(--line);background:var(--ink);border-radius:100px;color:#fff;font-size:14px;font-weight:700;white-space:nowrap}
.app-action:hover{background:var(--pink)}
.chapter-bar{height:46px;position:fixed;top:72px;left:0;right:0;z-index:99;background:#fff;border-bottom:1px solid var(--line)}
.chapter-inner{height:100%;max-width:780px;margin:auto;display:grid;grid-template-columns:repeat(6,1fr);align-items:stretch;padding:0 10px;gap:12px}
.chapter-link{font-size:14px;color:var(--muted);display:flex;align-items:center;justify-content:center;border-bottom:3px solid transparent;padding-top:3px;min-width:0;white-space:nowrap}
.chapter-link:hover,.chapter-link.is-current{color:var(--pink)}
.chapter-link.is-current{border-bottom-color:var(--pink);font-weight:750}
.site-main{padding-bottom:52px;min-width:0}
.section{margin-top:48px}.section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.kicker{font-size:12px;font-weight:850;letter-spacing:.16em;color:var(--pink);text-transform:uppercase}
.section-title{font-size:24px;line-height:1.35;color:var(--ink);margin:5px 0 0;font-weight:850;letter-spacing:-.02em}
.section-link{font-size:13px;font-weight:750;color:var(--pink);white-space:nowrap;min-height:44px;display:inline-flex;align-items:center;gap:4px}
.section-link:hover{color:var(--indigo)}
.panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;min-width:0}
.pill{display:inline-flex;align-items:center;width:max-content;max-width:100%;font-size:12px;font-weight:800;padding:5px 12px;border-radius:99px;background:#fbe7f1;color:#9b155e;letter-spacing:.03em}
.btn-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 22px;border-radius:999px;font-size:14px;font-weight:800;white-space:nowrap}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 8px 20px rgba(225,29,143,.16)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 11px 24px rgba(225,29,143,.20)}
.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-secondary:hover{border-color:var(--pink);color:var(--pink)}
.media-slot{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(140deg,#fce5f0,#ecebff 58%,#fff1db);border:1px solid rgba(26,18,48,.07);isolation:isolate;min-width:0;border-radius:15px;height:218px}
.media-slot img{position:relative;z-index:2;width:100%;height:100%;object-fit:contain;object-position:center}
.media-slot .media-decor{position:absolute;inset:0;overflow:hidden;z-index:0;pointer-events:none}
.media-decor i{position:absolute;display:block;box-shadow:0 0 0 1px rgba(255,255,255,.45)}
.media-decor i:nth-child(1){width:140px;height:140px;left:8%;top:16%;transform:rotate(-14deg);background:rgba(225,29,143,.15);border-radius:30px}
.media-decor i:nth-child(2){width:190px;height:200px;right:7%;top:-20px;transform:rotate(17deg);background:rgba(99,102,241,.16);border-radius:40px}
.media-decor i:nth-child(3){width:84px;height:84px;left:55%;bottom:-20px;background:rgba(217,119,6,.18);border-radius:50%}
.media-label{position:relative;z-index:1;color:#412b62;font-size:20px;letter-spacing:.12em;font-weight:850;text-shadow:0 1px 0 rgba(255,255,255,.7)}
.media-slot.cover-image{height:min(360px,33vw);min-height:255px;background:linear-gradient(150deg,#fce8e6,#eeeafd 50%,#fff3e6)}
.media-slot.cover-image .media-label{font-size:clamp(20px,2.2vw,32px)}
.media-slot.tall{height:340px}
.media-slot.square{height:205px}
.media-slot.compact{height:172px}
.media-slot.paper-media{background:linear-gradient(120deg,#e9f2ff,#f9e8f5)}
.media-slot.amber-media{background:linear-gradient(130deg,#fff0d9,#f8e4e8)}
.media-slot.mint-media{background:linear-gradient(130deg,#e2f8ef,#eaeafa)}
.cover{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;padding:26px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow);margin-top:24px;min-height:0}
.cover-copy{display:flex;flex-direction:column;justify-content:center;padding:18px 12px 16px 12px;min-width:0}
.cover-issue{display:flex;align-items:center;gap:10px;color:var(--pink);font-size:11px;letter-spacing:.20em;font-weight:800}
.cover-issue:before{content:"";width:30px;height:2px;background:var(--pink)}
.cover h1{font-size:clamp(28px,3vw,39px);line-height:1.28;margin:21px 0;color:var(--ink);font-weight:900;letter-spacing:-.025em}
.cover-subline{font-size:12px;font-weight:750;letter-spacing:.08em;color:var(--muted);margin:0}
.cover-intro{font-size:15px;line-height:1.85;color:var(--muted);max-width:510px;margin:0 0 24px}
.cover-media{min-width:0;position:relative}
.cover-media:after{content:"DOUJIN / ANIME";position:absolute;right:16px;bottom:9px;font:700 10px Georgia,serif;letter-spacing:.15em;color:rgba(26,18,48,.4)}
.cover-edge{position:absolute;top:0;left:0;bottom:0;width:6px;background:linear-gradient(180deg,var(--pink),var(--indigo),var(--cyan),var(--amber))}
.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.category-tile{display:block;background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px 18px;min-width:0;min-height:128px}
.category-tile:hover{border-color:rgba(225,29,143,.35);transform:translateY(-2px)}
.category-tile strong{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:16px;margin-bottom:8px}
.category-tile strong:before{content:"";width:10px;height:10px;flex-shrink:0;border-radius:50%;background:var(--pink)}
.category-tile:nth-child(4n+2) strong:before{background:var(--indigo)}
.category-tile:nth-child(4n+3) strong:before{background:var(--cyan)}
.category-tile:nth-child(4n+4) strong:before{background:var(--amber)}
.category-tile p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
.observation-card{display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px;padding:24px;align-items:center}
.observation-card .media-slot{height:220px}
.observation-card p{margin:8px 0 17px;font-size:15px;line-height:1.85}
.inline-number-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.inline-number-links a{display:flex;gap:6px;align-items:center;padding:8px 9px;background:var(--paper);border-radius:10px;font-size:13px;font-weight:700;min-height:44px;min-width:0}
.inline-number-links b{color:var(--pink);font-family:Georgia,serif;font-size:15px}
.inline-number-links a:hover{color:var(--pink)}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}
.feature-card{padding:14px 14px 20px}
.feature-card:nth-child(2){margin-top:20px}.feature-card:nth-child(3){margin-top:42px}
.feature-card h3{font-size:18px;margin:17px 5px 9px;color:var(--ink)}
.feature-card p{font-size:14px;line-height:1.85;margin:0 5px 12px;color:var(--muted)}
.feature-card .text-link{margin-left:5px}
.text-link{color:var(--pink);font-weight:800;font-size:14px;min-height:44px;display:inline-flex;align-items:center}
.text-link:hover{color:var(--indigo)}
.split-story{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:25px;align-items:center;padding:23px}
.split-story .media-slot{min-height:245px}
.split-story p,.essay p{line-height:1.9;margin:12px 0;color:var(--muted)}
.step-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.step-card{padding:19px;border:1px solid var(--line);border-radius:15px;background:#fff}
.step-card b{display:block;font:800 31px Georgia,serif;color:var(--indigo);margin-bottom:7px}
.step-card:nth-child(2) b{color:var(--pink)}.step-card:nth-child(3) b{color:var(--cyan)}.step-card:nth-child(4) b{color:var(--amber)}
.step-card strong{display:block;color:var(--ink);font-size:16px;margin-bottom:5px}
.step-card p{font-size:13px;line-height:1.75;color:var(--muted);margin:0}
.theme-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.theme-block{border-radius:16px;background:#f2eaff;border:1px solid var(--line);min-height:138px;padding:18px;display:flex;flex-direction:column;justify-content:space-between;gap:10px}
.theme-block:nth-child(3n+2){background:#e5f7f8}.theme-block:nth-child(3n+3){background:#fff0d9}.theme-block:nth-child(2){min-height:175px}.theme-block:nth-child(6){min-height:165px}
.theme-block strong{font-size:18px;color:var(--ink)}.theme-block p{font-size:13px;color:var(--muted);margin:4px 0 0;line-height:1.65}
.theme-block:hover{outline:1px solid var(--pink)}
.shelf-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.shelf-item{display:grid;grid-template-columns:52px minmax(0,1fr) 20px;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-left:7px solid var(--indigo);border-radius:13px;padding:13px 17px;min-height:88px}
.shelf-item:nth-child(4n+2){border-left-color:var(--pink)}.shelf-item:nth-child(4n+3){border-left-color:var(--mint)}.shelf-item:nth-child(4n+4){border-left-color:var(--amber)}
.shelf-item b{font:800 25px Georgia,serif;color:var(--faint)}
.shelf-item strong{font-size:15px;color:var(--ink)}.shelf-item small{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:4px}
.shelf-item:hover{border-color:rgba(225,29,143,.45)}
.rank-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:11px}
.rank-item{padding:17px 13px;background:#fff;border:1px solid var(--line);border-radius:15px;min-height:156px}
.rank-item .rank-num{font:900 44px Georgia,serif;line-height:1.1;color:var(--pink)}
.rank-item:nth-child(2) .rank-num{color:var(--indigo)}.rank-item:nth-child(3) .rank-num{color:var(--cyan)}.rank-item:nth-child(4) .rank-num{color:var(--amber)}.rank-item:nth-child(5) .rank-num{color:var(--mint)}
.rank-item h3{font-size:16px;margin:9px 0 6px;color:var(--ink)}.rank-item p{font-size:13px;margin:0;color:var(--muted);line-height:1.75}
.timeline{border-left:2px solid rgba(99,102,241,.3);margin-left:10px;padding:2px 0 2px 24px;display:grid;gap:12px}
.timeline-entry{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.timeline-entry:before{content:"";position:absolute;width:14px;height:14px;left:-32px;top:22px;background:var(--pink);border-radius:50%;border:3px solid var(--paper)}
.timeline-entry:nth-child(2):before{background:var(--indigo)}.timeline-entry:nth-child(3):before{background:var(--mint)}
.status{display:inline-flex;border-radius:100px;color:var(--ink);background:#edf0ff;font-size:12px;font-weight:800;padding:3px 9px}
.timeline-entry strong{font-size:16px;color:var(--ink);display:block;margin:6px 0}
.timeline-entry p{font-size:14px;color:var(--muted);margin:0}
.app-overview{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:22px;padding:24px;align-items:center}
.app-overview .media-slot{height:330px;background:linear-gradient(120deg,#ffe6f1,#e9f1ff)}
.app-overview h3{font-size:23px;color:var(--ink);margin:12px 0}.app-overview p{font-size:15px;color:var(--muted);line-height:1.9}
.icon-emblem{width:57px;height:57px;display:flex;align-items:center;justify-content:center;border-radius:17px;background:#fff;border:1px solid var(--line);margin-bottom:10px;overflow:hidden}
.icon-emblem img{width:100%;height:100%;object-fit:contain}.icon-emblem strong{color:var(--pink);font-size:21px}
.end-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.end-card{border-radius:17px;background:#fff;border:1px solid var(--line);padding:22px}
.end-card h3{font-size:18px;color:var(--ink);margin:0 0 10px}.end-card p{font-size:14px;color:var(--muted);line-height:1.86;margin:0 0 12px}
.faq-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.faq-preview a{display:flex;justify-content:space-between;gap:10px;align-items:center;border:1px solid var(--line);background:#fff;padding:14px 16px;border-radius:12px;font-size:14px;min-height:52px}
.faq-preview a span{color:var(--pink)}.faq-preview a:hover{border-color:var(--pink)}
.about-strip{background:linear-gradient(120deg,#19132f,#3b235d);color:#fff;border-radius:19px;padding:28px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.about-strip h2{color:#fff;font-size:22px;margin:0 0 7px}.about-strip p{max-width:700px;font-size:14px;line-height:1.85;color:#eee4f5;margin:0}
.about-strip .btn-secondary{flex-shrink:0}
/* Interior magazine pages */
.inner-page{padding-top:29px}
.page-cover{position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:25px;align-items:center;min-height:220px;padding:28px 32px;background:#fff;border:1px solid var(--line);border-radius:19px;box-shadow:var(--shadow);overflow:hidden}
.page-cover:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(var(--pink),var(--indigo),var(--cyan))}
.page-index{display:flex;align-items:center;gap:12px;font-size:12px;font-weight:800;color:var(--pink);letter-spacing:.12em}
.page-index:before{content:"";width:25px;height:2px;background:var(--pink)}
.page-cover h1{font-size:30px;line-height:1.35;margin:14px 0 12px;color:var(--ink);font-weight:850}
.page-cover p{font-size:15px;line-height:1.85;margin:0;color:var(--muted)}
.page-cover .media-slot{height:190px}
.page-main{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:22px;margin-top:25px;align-items:start}
.chapter-content{min-width:0}
.article-section{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:15px;padding:24px 26px;min-width:0}
.article-section h2{font-size:21px;line-height:1.4;color:var(--ink);margin:0 0 12px}
.article-section h2 .section-counter{display:inline-block;font:800 24px Georgia,serif;color:var(--pink);margin-right:14px}
.article-section p{font-size:15px;line-height:1.9;color:var(--text);margin:0 0 12px}
.article-section p:last-child{margin-bottom:0}
.article-section .mini-note{padding:13px 16px;border-left:3px solid var(--indigo);background:#f5f5ff;border-radius:0 10px 10px 0;color:var(--muted);font-size:14px;margin-top:14px}
.article-section .key-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.key-points span{display:inline-flex;border-radius:100px;background:var(--paper-deep);padding:6px 12px;font-size:13px;font-weight:750;color:var(--muted)}
.article-section.feature-article{border-left:5px solid var(--pink)}
.article-section.essay-article{padding:31px 34px}.article-section.essay-article h2{font-family:Georgia,"Songti SC","SimSun",serif;font-size:25px}
.article-section.row-article{display:grid;grid-template-columns:60px minmax(0,1fr);gap:17px;align-items:start}
.article-section.row-article .big-number{font:850 40px Georgia,serif;color:var(--indigo);line-height:1.2}
.article-section.row-article:nth-child(2n) .big-number{color:var(--pink)}
.article-section.timeline-article{margin-left:18px;position:relative}.article-section.timeline-article:before{position:absolute;content:"";left:-22px;top:22px;width:12px;height:12px;border:3px solid var(--paper);border-radius:50%;background:var(--pink)}
.page-aside{position:sticky;top:141px;background:var(--paper-deep);border:1px solid var(--line);border-radius:17px;padding:17px;min-width:0}
.page-aside h2{font-size:16px;color:var(--ink);margin:0 0 9px}
.page-aside p{font-size:13px;line-height:1.75;color:var(--muted);margin:0 0 14px}
.page-aside a{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);font-size:13px;padding:10px 1px;min-height:44px}
.page-aside a:hover{color:var(--pink)}
.full-article{max-width:935px;margin:auto}
.full-article .article-section{padding:29px 35px}
.section-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.section-pair .article-section{margin-bottom:0}
.article-section.category-article{border-top:4px solid var(--indigo)}
.article-section.category-article:nth-child(2n){border-top-color:var(--pink)}
.article-section.category-article:nth-child(3n){border-top-color:var(--cyan)}
.article-section .subheading{display:block;color:var(--pink);font-size:12px;font-weight:800;letter-spacing:.1em;margin-bottom:6px}
.related-panel{padding:20px 24px;margin-top:18px;background:#fff;border-radius:15px;border:1px solid var(--line)}
.related-panel h2{color:var(--ink);font-size:19px;margin:0 0 13px}
.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{background:var(--paper);padding:10px 17px;border:1px solid var(--line);border-radius:100px;font-size:14px;min-height:44px;display:inline-flex;align-items:center;font-weight:750}
.related-links a:hover{border-color:var(--pink);color:var(--pink)}
.faq-page{max-width:935px;margin:0 auto}.faq-page details{border-radius:14px;border:1px solid var(--line);background:#fff;margin-bottom:13px;overflow:hidden}
.faq-page summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:15px;align-items:center;padding:18px 22px;color:var(--ink);font-size:16px;font-weight:750}
.faq-page summary::-webkit-details-marker{display:none}.faq-page summary:after{content:"+";font:600 24px Georgia,serif;color:var(--pink)}.faq-page details[open] summary:after{content:"−"}
.faq-page details p{margin:0;padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.92}
/* Footer and dialogs */
.site-footer{background:var(--ink);color:#F7EFE6;padding:44px 0 24px;position:relative;margin-top:22px}
.footer-brandline{display:flex;align-items:center;gap:18px;padding-bottom:25px;border-bottom:1px solid rgba(255,255,255,.13)}
.footer-logo{display:flex;min-width:0;align-items:center}.footer-logo .brand-img{max-height:32px;max-width:175px}.footer-logo .brand-wordmark{color:#fff;font-size:20px}
.footer-brandline>div{display:flex;flex-direction:column;gap:0}.footer-brandline strong{font-size:16px}.footer-brandline span{font-size:11px;letter-spacing:.13em;color:#c4b7d3}
.footer-brandline p{font-size:13px;color:#dfd4e8;margin:0 0 0 auto}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px;padding:24px 0}
.footer-group{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.footer-group h2{font-size:14px;color:#fff;margin:0 0 4px}.footer-group a{font-size:13px;min-height:29px;color:#d0c7dc}
.footer-group a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.copyright-notice{border-top:1px solid rgba(255,255,255,.12);font-size:13px;padding-top:18px;color:#ddd2e8;margin:0;line-height:1.8}
.footer-fine{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:17px;color:#b9adc8;font-size:12px}
.footer-fine a{color:#ecdaf3}
.bottom-nav{display:none}
.ui-overlay{position:fixed;inset:0;z-index:300;background:rgba(20,13,42,.67);display:flex;align-items:center;justify-content:center;padding:24px;overflow-y:auto;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .17s,visibility .17s}
.ui-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.book-frame{width:min(840px,100%);max-height:min(88vh,900px);display:flex;flex-direction:column;background:#fff;border-radius:15px;overflow:hidden;box-shadow:0 25px 80px rgba(0,0,0,.25);transform:translateY(-12px);transition:transform .16s}
.is-open .book-frame,.is-open .search-card{transform:translateY(0)}
.book-topline{display:flex;align-items:center;justify-content:space-between;padding:17px 23px;background:var(--paper);border-bottom:1px solid var(--line);gap:12px}
.book-identity{display:flex;gap:13px;align-items:center;min-width:0}
.book-identity .brand-img{height:30px;max-width:160px}.book-identity .brand-wordmark{font-size:19px}
.book-identity>span:last-child{font-size:12px;color:var(--muted);white-space:nowrap}
.book-controls{display:flex;gap:8px;align-items:center}
.close-square{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;line-height:1;color:var(--ink)}
.close-square:hover{background:var(--ink);color:#fff}
.book-search{min-height:44px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:0 12px;font-size:13px;color:var(--ink);font-weight:750;white-space:nowrap}
.book-search:hover{border-color:var(--pink);color:var(--pink)}
.book-leaves{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));min-height:0;overflow:auto;overscroll-behavior:contain}
.book-leaf{padding:22px;min-width:0;background:#fff}
.book-leaf.right-leaf{border-left:1px solid var(--line);background:#fff9f6;box-shadow:inset 9px 0 19px rgba(26,18,48,.045)}
.book-group+.book-group{margin-top:22px}
.book-group h2{margin:0 0 10px;font-size:16px;color:var(--pink);border-bottom:1px solid var(--line);padding-bottom:7px}
.book-items{display:grid;gap:4px}
.book-link{position:relative;display:block;min-height:61px;padding:8px 23px 8px 9px;border-radius:9px}
.book-link:hover{background:#f2eaf8}
.book-link strong{display:block;color:var(--ink);font-size:14px}
.book-link small{display:block;color:var(--muted);font-size:11px;line-height:1.55;margin-top:2px}
.book-link>span{position:absolute;right:5px;top:11px;color:var(--pink);font-size:13px}
.search-overlay{z-index:305}
.search-card{width:min(600px,100%);max-height:min(87vh,850px);overflow:auto;background:#fff;padding:27px;border-radius:19px;box-shadow:0 25px 65px rgba(0,0,0,.26);transform:translateY(-12px);transition:transform .16s}
.search-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:21px;gap:12px}
.search-top h2{margin:5px 0 0;font-size:25px;color:var(--ink)}
.search-card label{display:block;font-weight:750;color:var(--muted);font-size:14px;margin-bottom:9px}
.search-field{height:52px;border:1px solid rgba(99,102,241,.35);border-radius:13px;display:flex;align-items:center;gap:8px;padding:0 14px}
.search-field:focus-within{border-color:var(--pink);box-shadow:0 0 0 3px rgba(225,29,143,.08)}
.search-field span{font-size:26px;color:var(--pink)}.search-field input{border:0;outline:0;min-width:0;width:100%;height:45px;background:transparent;color:var(--ink);font-size:15px}
.search-card>p{font-size:13px;color:var(--muted);line-height:1.65}
.search-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.search-options a{background:var(--paper);border:1px solid var(--line);border-radius:11px;min-height:50px;padding:10px 13px;display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:14px;font-weight:750}
.search-options a span:last-child{color:var(--pink)}
.search-options a:hover{border-color:var(--pink)}
/* Responsive */
@media(max-width:960px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.rank-list{grid-template-columns:repeat(3,minmax(0,1fr))}.page-main{grid-template-columns:minmax(0,1fr) 190px}}
@media(max-width:700px){
 html{scroll-padding-top:80px}
 body{padding-top:72px;padding-bottom:calc(51px + env(safe-area-inset-bottom))}
 .chapter-bar{display:none}
 .masthead-inner{height:72px;grid-template-columns:49px minmax(0,1fr) 77px;gap:5px}
 .menu-square{width:46px;min-width:46px;padding:0;gap:0}.menu-caption{display:none}
 .site-brand{justify-self:center;max-width:100%;overflow:visible}.brand-wordmark{font-size:clamp(16px,4.8vw,23px);letter-spacing:.01em}.brand-img{max-width:145px;max-height:31px}
 .masthead-actions{justify-content:flex-end}.search-action{display:none}
 .app-action{min-height:44px;font-size:12px;padding:0 10px;gap:1px}
 .app-action span{display:none}
 .section{margin-top:32px}.section-title{font-size:21px}
 .cover{display:flex;flex-direction:column;gap:13px;padding:15px;margin-top:16px}
 .cover-copy{padding:13px 6px 5px}
 .cover h1{font-size:29px;margin:14px 0;line-height:1.37}
 .cover-intro{margin-bottom:17px;font-size:14px;line-height:1.85}
 .media-slot.cover-image{height:240px;min-height:0}
 .btn{min-height:44px;padding:0 16px;font-size:13px}
 .category-tile{min-height:118px;padding:14px}.category-tile strong{font-size:15px}.category-tile p{font-size:12px}
 .observation-card{grid-template-columns:1fr;padding:16px;gap:15px}
 .observation-card .media-slot{height:198px}
 .inline-number-links{grid-template-columns:repeat(2,minmax(0,1fr))}
 .feature-grid{grid-template-columns:1fr;gap:11px}.feature-card:nth-child(2),.feature-card:nth-child(3){margin-top:0}
 .feature-card{display:grid;grid-template-columns:125px minmax(0,1fr);column-gap:13px;row-gap:4px;align-items:start;min-width:0}
 .feature-card .media-slot{height:170px;grid-row:span 3}.feature-card h3{margin:4px 0 0}.feature-card p{margin:0;font-size:13px}.feature-card .text-link{margin:0}
 .split-story{display:flex;flex-direction:column;align-items:stretch;padding:15px;gap:13px}.split-story .media-slot{min-height:200px}
 .step-row{grid-template-columns:repeat(2,minmax(0,1fr))}
 .theme-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .shelf-list{grid-template-columns:1fr}
 .rank-list{grid-template-columns:repeat(2,minmax(0,1fr))}
 .app-overview{display:flex;flex-direction:column;align-items:stretch;padding:16px}.app-overview .media-slot{height:305px}
 .end-grid{grid-template-columns:1fr}
 .faq-preview{grid-template-columns:1fr}
 .about-strip{align-items:flex-start;flex-direction:column;padding:21px}
 .inner-page{padding-top:18px}
 .page-cover{display:flex;flex-direction:column;align-items:stretch;gap:16px;padding:20px 21px}.page-cover h1{font-size:27px;margin:12px 0}.page-cover p{font-size:14px}
 .page-cover .media-slot{height:175px}
 .page-main{display:flex;flex-direction:column;gap:0;margin-top:16px}
 .chapter-content{width:100%}
 .page-aside{position:static;width:100%;margin-top:8px}
 .article-section{padding:19px 20px}.article-section h2{font-size:19px}.article-section p{font-size:14px}
 .article-section.essay-article{padding:23px}.article-section.essay-article h2{font-size:22px}
 .full-article .article-section{padding:22px}
 .section-pair{grid-template-columns:1fr}
 .footer-brandline{align-items:flex-start;flex-wrap:wrap;gap:10px}
 .footer-brandline>p{flex-basis:100%;margin-left:0}
 .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
 .site-footer{padding-top:29px;margin-top:10px}
 .bottom-nav{height:calc(51px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;width:100%;z-index:110;background:#fff;border-top:1px solid var(--line);box-shadow:0 -5px 17px rgba(26,18,48,.06)}
 .bottom-link{height:50px;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;color:var(--muted);line-height:1.1}
 .bottom-link span{font-size:20px}.bottom-link small{font-size:11px;margin-top:2px}
 .bottom-link.is-current{color:var(--pink);font-weight:850}.bottom-link:hover{color:var(--pink)}
 .ui-overlay{padding:14px 12px calc(14px + env(safe-area-inset-bottom))}
 .book-frame{max-height:88vh;width:100%;border-radius:14px}
 .book-topline{padding:11px 12px}.book-identity{gap:7px}.book-identity>span:last-child{display:none}.book-identity .brand-wordmark{font-size:17px}.book-identity .brand-img{max-width:135px}
 .book-leaves{grid-template-columns:1fr;display:block;overflow:auto}
 .book-leaf{padding:15px 18px}.book-leaf.right-leaf{border-left:0;box-shadow:none;border-top:1px solid var(--line)}
 .book-group+.book-group{margin-top:17px}
 .book-link{min-height:63px}
 .search-card{padding:19px;max-height:86vh}
}
@media(max-width:350px){.feature-card{grid-template-columns:105px minmax(0,1fr)}.feature-card .media-slot{height:160px}.feature-card p{line-height:1.6}.btn{padding:0 12px}.category-grid{gap:8px}.category-tile{padding:12px}.footer-brandline .brand-wordmark{font-size:17px}.book-search{padding:0 8px;font-size:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}