:root{--paper:#FFF8F2;--white:#FFFFFF;--soft:#F3EBE3;--ink:#1A1230;--text:#2C2440;--muted:#5A5270;--faint:#8A8298;--magenta:#E11D8F;--indigo:#6366F1;--cyan:#0891B2;--amber:#D97706;--mint:#059669;--line:rgba(26,18,48,.10);--shadow:0 14px 34px rgba(26,18,48,.08);--footer:#1A1230;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}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}
.masthead{position:fixed;z-index:80;top:0;left:0;right:0;height:72px;background:rgba(255,248,242,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.masthead-inner{max-width:var(--max);height:100%;margin:auto;padding:0 20px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.square-action,.text-action,.close-action,.directory-search{min-height:44px;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:14px}.square-action{width:44px;font-weight:800}.brand-home{justify-self:center;display:flex;align-items:center;justify-content:center;min-height:44px;min-width:140px;color:var(--ink);font-size:20px;font-weight:800;letter-spacing:.08em}.brand-home img{height:38px;width:auto;max-width:210px}.mast-actions{justify-self:end;display:flex;align-items:center;gap:10px}.text-action,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:999px}.text-action{border:1px solid var(--line);background:var(--white)}.app-link{color:#fff;background:linear-gradient(135deg,var(--indigo) 0%,var(--magenta) 55%,var(--amber) 100%);font-weight:700}
.chapter-band{position:fixed;z-index:70;top:72px;left:0;right:0;height:46px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line)}.chapter-inner{height:100%;max-width:var(--max);margin:auto;display:flex;justify-content:center;align-items:center;gap:34px;padding:0 20px}.chapter-inner a{height:46px;display:flex;align-items:center;color:var(--ink);font-size:14px;position:relative;white-space:nowrap}.chapter-inner a.is-current:after{content:"";position:absolute;left:15%;right:15%;bottom:0;height:3px;background:var(--magenta);border-radius:3px 3px 0 0}.site-main{padding-top:118px;min-height:70vh}
.page-shell{max-width:var(--max);margin:0 auto;padding:46px 20px 76px}.narrow{max-width:900px}.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--magenta);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.kicker:before{content:"";width:26px;height:3px;background:currentColor;border-radius:2px}h1,h2,h3{color:var(--ink);line-height:1.3;margin-top:0}h1{font-size:clamp(28px,4vw,34px);margin-bottom:18px}h2{font-size:24px;margin-bottom:14px}h3{font-size:18px;margin-bottom:8px}p{margin:0 0 16px}.lead{font-size:18px;color:var(--muted);max-width:820px}.section{margin-top:42px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.section-head p{max-width:680px;color:var(--muted);margin:0}.paper-card,.white-card{background:var(--white);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.paper-card{background:var(--paper)}
.image-slot{background:var(--soft);border:1px solid var(--line);border-radius:20px;min-height:180px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain}.image-slot.banner{min-height:240px;max-height:360px}.image-slot.banner img{max-height:360px}.image-slot.wide{min-height:220px}.image-slot.tall{min-height:300px;max-height:360px}.image-slot.icon{width:64px;height:64px;min-height:64px;border-radius:18px}.image-slot.icon img{width:48px;height:48px}
.primary-button,.secondary-button{min-height:44px;padding:0 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;white-space:nowrap}.primary-button{color:#fff;background:linear-gradient(135deg,var(--indigo) 0%,var(--magenta) 55%,var(--amber) 100%)}.secondary-button{background:#fff;color:var(--ink);border:1px solid var(--line)}.primary-button:hover,.primary-button:focus-visible,.app-link:hover,.app-link:focus-visible{filter:saturate(1.1) brightness(.98);transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(225,29,143,.35);outline-offset:3px}
.cover{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:44px;align-items:center;padding-top:12px}.cover-copy{padding:20px 0}.vertical-brand{writing-mode:vertical-rl;letter-spacing:.3em;color:var(--magenta);font-weight:800;font-size:13px;height:90px;float:left;margin-right:18px}.cover h1{font-size:clamp(32px,5vw,52px);max-width:720px;margin-bottom:20px}.cover-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.tag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tag-card{padding:18px;border:1px solid var(--line);background:#fff;border-radius:18px;min-height:135px}.tag-card .dot{width:12px;height:12px;border-radius:50%;display:block;margin-bottom:18px}.tag-card:nth-child(4n+1) .dot{background:var(--magenta)}.tag-card:nth-child(4n+2) .dot{background:var(--indigo)}.tag-card:nth-child(4n+3) .dot{background:var(--cyan)}.tag-card:nth-child(4n) .dot{background:var(--amber)}.tag-card p{font-size:14px;color:var(--muted)}.tag-card a{font-weight:800;color:var(--ink)}
.feature-band{padding:26px}.chapter-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.chapter-item{border-top:3px solid var(--line);padding-top:13px}.chapter-item b{display:block;color:var(--magenta);font-size:13px}.chapter-item a{font-weight:800}.masonry-cards{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px;align-items:start}.masonry-card{padding:18px}.masonry-card:nth-child(2){margin-top:38px}.masonry-card:nth-child(3){margin-top:74px}.masonry-card .image-slot{margin-bottom:16px}
.steps{display:grid;gap:14px}.step{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step-no{font-size:28px;font-weight:900;color:var(--indigo)}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.theme-card{padding:22px;min-height:170px}.theme-card:nth-child(2),.theme-card:nth-child(5){min-height:210px}.theme-card:nth-child(3n+1){border-top:5px solid var(--magenta)}.theme-card:nth-child(3n+2){border-top:5px solid var(--indigo)}.theme-card:nth-child(3n){border-top:5px solid var(--cyan)}
.shelf-list{display:grid;gap:10px}.shelf-row{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:16px}.shelf-row .shelf-mark{height:8px;border-radius:8px;background:var(--magenta)}.shelf-row:nth-child(2) .shelf-mark{background:var(--indigo)}.shelf-row:nth-child(3) .shelf-mark{background:var(--cyan)}.shelf-row:nth-child(4) .shelf-mark{background:var(--amber)}.shelf-row a{font-weight:800}
.rank-list{display:grid;gap:4px}.rank-item{display:grid;grid-template-columns:92px 1fr;gap:20px;align-items:start;padding:20px 0;border-bottom:1px solid var(--line)}.rank-num{font-size:44px;font-weight:900;line-height:1;color:var(--magenta)}.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)}
.timeline{position:relative;padding-left:32px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--line)}.timeline-item{position:relative;padding:0 0 28px 24px}.timeline-item:before{content:"";position:absolute;left:-30px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--indigo);box-shadow:0 0 0 6px var(--paper)}.status{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--ink);font-size:13px;font-weight:800}
.app-product{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:36px;align-items:center;padding:26px}.app-copy-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.fact-card{padding:20px}.faq-mini{display:grid;gap:12px}.faq-mini details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px}.faq-mini summary{cursor:pointer;color:var(--ink);font-weight:800}.faq-mini p{margin-top:12px;color:var(--muted)}
.page-intro{padding:10px 0 16px}.page-intro .lead{max-width:850px}.editor-note{padding:20px;border-left:5px solid var(--magenta);background:#fff;border-radius:0 18px 18px 0;box-shadow:var(--shadow)}.content-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.content-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.content-card{padding:22px}.character-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.character-card{padding:22px;display:grid;grid-template-columns:76px 1fr;gap:18px}.character-mark{width:60px;height:60px;border-radius:20px;background:linear-gradient(145deg,var(--indigo),var(--magenta));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.index-list{counter-reset:item;display:grid;gap:12px}.index-entry{counter-increment:item;display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:start;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}.index-entry:before{content:counter(item,decimal-leading-zero);font-weight:900;color:var(--magenta);font-size:20px}.catalog-list{display:grid;gap:10px}.catalog-row{padding:20px;background:#fff;border:1px solid var(--line);border-radius:18px}.catalog-row header{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:8px}.catalog-row .chip{font-size:12px;font-weight:800;color:var(--indigo);background:#efefff;border-radius:999px;padding:4px 9px}.longform article{max-width:850px;margin:0 auto}.longform article h2{margin-top:34px}.longform blockquote{margin:26px 0;padding:18px 22px;background:#fff;border-left:5px solid var(--indigo);border-radius:0 18px 18px 0;color:var(--muted)}.term-sections{display:grid;gap:16px}.term-section{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px}.contact-options{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.contact-option{padding:24px;background:#fff;border:1px solid var(--line);border-radius:20px}.notice{padding:18px 20px;background:#fff7e7;border:1px solid rgba(217,119,6,.24);border-radius:18px;color:#5f3a05}
.site-footer{background:var(--footer);color:#F7EFE6;padding:50px 20px calc(44px + env(safe-area-inset-bottom));border-top:1px solid rgba(255,255,255,.12)}.footer-inner{max-width:var(--max);margin:auto}.footer-brand{display:flex;align-items:center;gap:14px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.14)}.footer-logo{min-height:44px;display:flex;align-items:center}.footer-logo img{height:28px;max-width:190px}.footer-brand span:last-child{color:#cfc6dc;font-size:13px;letter-spacing:.12em}.footer-directory{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0}.footer-directory h2{color:#fff;font-size:14px;margin-bottom:12px}.footer-directory a{display:block;color:#e9dfef;font-size:13px;min-height:30px}.footer-directory a:hover{text-decoration:underline}.footer-note,.copyright{font-size:13px;color:#cfc6dc}.copyright{margin-bottom:0}
.overlay{position:fixed;z-index:90;inset:0;background:rgba(26,18,48,.46);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}.book-directory,.search-panel{position:fixed;z-index:100;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.book-directory{left:50%;top:50%;transform:translate(-50%,-48%);width:min(840px,calc(100% - 32px));max-height:calc(100vh - 44px);overflow:auto;background:#fdf8f2;border-radius:22px;box-shadow:0 28px 70px rgba(26,18,48,.28);border:1px solid rgba(255,255,255,.6)}.book-directory.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,-50%)}.directory-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:#fff;border-bottom:1px solid var(--line)}.directory-brand{display:flex;align-items:center;gap:12px;color:var(--ink)}.directory-brand img{height:30px;max-width:180px}.close-action{padding:0 14px}.directory-search{margin:16px 18px 0;width:calc(100% - 36px);padding:0 16px;text-align:left;color:var(--muted)}.book-spread{display:grid;grid-template-columns:1fr 1fr}.book-page{padding:20px 24px 28px}.book-page:first-child{border-right:1px solid var(--line);box-shadow:inset -16px 0 30px rgba(26,18,48,.03)}.directory-group+.directory-group{margin-top:24px}.directory-group h2{font-size:14px;color:var(--magenta);letter-spacing:.12em}.directory-group a{display:block;padding:10px 0;border-bottom:1px dashed var(--line)}.directory-group b{display:block;color:var(--ink)}.directory-group span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.search-panel{inset:0;display:flex;align-items:flex-start;justify-content:center;padding-top:120px}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(620px,calc(100% - 32px));background:#fff;border-radius:22px;padding:22px;box-shadow:0 28px 70px rgba(26,18,48,.25)}.search-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.search-head h2{margin:0;font-size:20px}.search-card label{display:block;margin:18px 0 8px;color:var(--muted);font-size:14px}.search-card input{width:100%;height:50px;border:1px solid var(--line);border-radius:14px;padding:0 16px;color:var(--ink);background:var(--paper)}.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;font-weight:800;color:var(--ink)}.search-presets a[hidden]{display:none}.search-empty{margin:16px 0 0;color:var(--muted)}.mobile-bottom{display:none}
@media(max-width:900px){.tag-grid{grid-template-columns:repeat(2,1fr)}.masonry-cards{grid-template-columns:1fr 1fr}.masonry-card:nth-child(3){grid-column:1/-1;margin-top:0}.masonry-card:nth-child(2){margin-top:30px}.theme-grid{grid-template-columns:repeat(2,1fr)}.content-grid-3{grid-template-columns:1fr 1fr}.footer-directory{grid-template-columns:1fr 1fr}.fact-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.masthead{height:72px}.masthead-inner{padding:0 16px;grid-template-columns:64px minmax(0,1fr) 92px;gap:6px}.brand-home{min-width:0;font-size:17px;overflow:hidden}.brand-home img{max-width:150px;height:32px}.mast-actions{width:92px}.desktop-search{display:none}.app-link{width:92px;padding:0 10px;font-size:13px}.chapter-band{display:none}.site-main{padding-top:72px}.page-shell{padding:34px 16px 60px}.cover{grid-template-columns:1fr;gap:24px}.cover-copy{padding-top:0}.vertical-brand{height:70px}.cover h1{font-size:34px}.image-slot.banner{min-height:210px}.chapter-list{grid-template-columns:1fr 1fr}.masonry-cards{grid-template-columns:1fr}.masonry-card:nth-child(2),.masonry-card:nth-child(3){margin-top:0}.theme-grid,.content-grid-2,.content-grid-3,.character-grid,.contact-options{grid-template-columns:1fr}.theme-card:nth-child(n){min-height:0}.shelf-row{grid-template-columns:52px 1fr}.shelf-row a{grid-column:2}.rank-item{grid-template-columns:68px 1fr}.rank-num{font-size:36px}.app-product{grid-template-columns:1fr;padding:18px}.app-product .image-slot.tall{min-height:240px}.fact-grid{grid-template-columns:1fr}.index-entry{grid-template-columns:44px 1fr}.index-entry a{grid-column:2}.footer-directory{grid-template-columns:1fr 1fr;gap:18px}.site-footer{padding-bottom:calc(82px + env(safe-area-inset-bottom))}.book-directory{width:calc(100% - 24px);max-height:calc(100vh - 24px)}.book-spread{grid-template-columns:1fr}.book-page:first-child{border-right:0;border-bottom:1px solid var(--line);box-shadow:none}.book-page{padding:18px}.search-panel{padding-top:86px}.search-presets{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:60;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -10px 25px rgba(26,18,48,.06)}.mobile-bottom a{height:50px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.is-current{color:var(--magenta);font-weight:900}.overlay.is-active~.mobile-bottom{z-index:60}}
@media(max-width:430px){.masthead-inner{grid-template-columns:52px minmax(0,1fr) 82px}.app-link{width:82px;font-size:12px}.brand-home img{max-width:128px}.tag-grid{grid-template-columns:1fr}.chapter-list{grid-template-columns:1fr}.search-presets{grid-template-columns:1fr}.footer-directory{grid-template-columns:1fr}.shelf-row{grid-template-columns:42px 1fr}.cover-actions{display:grid}.primary-button,.secondary-button{width:100%}}