*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#FFF8F2;color:#2C2440;font:16px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}.locked{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto;object-fit:contain}.site-masthead{position:fixed;z-index:40;top:0;left:0;right:0;height:72px;background:#FFF8F2;border-bottom:1px solid rgba(26,18,48,.1)}.masthead-inner{max-width:1160px;height:100%;margin:auto;padding:0 18px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.square-btn,.text-btn{border:1px solid rgba(26,18,48,.12);background:#fff;color:#1A1230;border-radius:14px;min-width:44px;min-height:44px;font:inherit;cursor:pointer}.square-btn{justify-self:start;width:44px}.brand{justify-self:center;display:flex;align-items:center;min-height:44px}.brand-logo{max-height:38px;max-width:220px}.brand-text{font-size:22px;font-weight:800;color:#1A1230;letter-spacing:.08em}.mast-actions{justify-self:end;display:flex;align-items:center;gap:10px}.app-link{display:inline-flex;min-height:44px;align-items:center;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%);color:#fff;font-weight:700}.chapter-nav{position:fixed;z-index:35;top:72px;left:0;right:0;height:46px;background:#fff;border-bottom:1px solid rgba(26,18,48,.1);display:flex;justify-content:center;gap:38px;align-items:center}.chapter-nav a{height:46px;display:flex;align-items:center;border-bottom:3px solid transparent}.chapter-nav a.active{border-color:#E11D8F;color:#E11D8F;font-weight:700}.page-main{max-width:1160px;margin:0 auto;padding:158px 18px 72px}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:34px;background:#fff;border:1px solid rgba(26,18,48,.1);border-radius:22px;box-shadow:0 14px 34px rgba(26,18,48,.08)}.hero.no-image{grid-template-columns:1fr}.eyebrow{color:#E11D8F;font-weight:800;letter-spacing:.12em}.hero h1,.page-hero h1{margin:.2em 0 .4em;color:#1A1230;font-size:clamp(28px,4vw,34px);line-height:1.25}.hero-copy{font-size:17px;color:#5A5270}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;min-height:44px;align-items:center;padding:0 18px;border-radius:999px;font-weight:700}.btn.primary{background:linear-gradient(135deg,#6366F1,#E11D8F 55%,#D97706);color:#fff}.btn.secondary{background:#fff;border:1px solid rgba(26,18,48,.14);color:#1A1230}.hero-media img{max-height:360px;margin:auto}.section{margin-top:34px;padding:28px;background:#fff;border:1px solid rgba(26,18,48,.1);border-radius:20px}.section h2{margin-top:0;color:#1A1230;font-size:26px}.muted{color:#5A5270}.tag-grid,.card-grid,.topic-grid,.step-grid,.link-grid{display:grid;gap:16px}.tag-grid{grid-template-columns:repeat(4,1fr)}.tag,.card,.topic,.step,.entry{padding:18px;border-radius:18px;background:#F3EBE3}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}.c1{background:#E11D8F}.c2{background:#6366F1}.c3{background:#0891B2}.c4{background:#D97706}.card-grid{grid-template-columns:repeat(3,1fr);align-items:start}.card img,.section-media img{max-height:300px;margin:0 auto 16px}.topic-grid{grid-template-columns:repeat(3,1fr)}.step-grid{grid-template-columns:repeat(4,1fr)}.number{font-size:42px;font-weight:900;line-height:1;color:#6366F1}.shelf-list,.timeline,.rank-list,.article-list{display:grid;gap:14px}.shelf-item,.rank-item,.timeline-item,.article-item{padding:18px;border-radius:16px;border:1px solid rgba(26,18,48,.1);background:#fff}.rank-item{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start}.rank-no{font-size:38px;font-weight:900;color:#E11D8F;line-height:1}.timeline{border-left:3px solid #6366F1;padding-left:20px}.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;left:-29px;top:24px;width:13px;height:13px;border-radius:50%;background:#E11D8F;border:3px solid #FFF8F2}.status{display:inline-flex;padding:3px 10px;border-radius:999px;background:#F3EBE3;color:#5A5270;font-size:14px}.page-hero{padding:28px 0 10px}.intro-grid{display:grid;grid-template-columns:1fr .8fr;gap:28px;align-items:center}.intro-grid.no-image{grid-template-columns:1fr}.intro-grid img{max-height:340px;margin:auto}.notice{padding:18px;border-left:4px solid #D97706;background:#fff;border-radius:0 16px 16px 0}.faq-item{padding:20px 0;border-bottom:1px solid rgba(26,18,48,.1)}.faq-item:last-child{border-bottom:0}.faq-item h3{margin:0 0 8px;color:#1A1230}.site-footer{background:#1A1230;color:#F7EFE6;padding:44px 0 80px}.footer-inner{max-width:1160px;margin:auto;padding:0 18px}.footer-brand{display:flex;gap:14px;align-items:center;margin-bottom:28px}.footer-brand span{display:block;color:#cfc7dd;font-size:13px;letter-spacing:.08em}.footer-logo{max-height:34px;max-width:180px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-grid h3{margin:0 0 10px;color:#fff}.footer-grid a{display:block;color:#e6deef;margin:5px 0}.footer-note{margin-top:28px;color:#d8d0e3}.copyright{color:#bdb5c9;font-size:14px}.overlay{position:fixed;inset:0;z-index:70;background:rgba(26,18,48,.46);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.modal-panel{position:fixed;z-index:80;left:50%;top:50%;transform:translate(-50%,-48%);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.modal-panel.show{transform:translate(-50%,-50%);opacity:1;visibility:visible;pointer-events:auto}.book-menu{width:min(840px,calc(100% - 32px));max-height:84vh;overflow:auto;background:#fff;border-radius:22px;box-shadow:0 24px 70px rgba(26,18,48,.25)}.book-head,.search-head{position:sticky;top:0;z-index:2;background:#fff;display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid rgba(26,18,48,.1)}.book-brand{display:flex;align-items:center;gap:10px}.book-brand img{max-height:28px;max-width:150px}.book-pages{display:grid;grid-template-columns:1fr 1fr}.book-page{padding:24px}.book-page:nth-child(odd){border-right:1px solid rgba(26,18,48,.1)}.book-page a{display:block;padding:12px 0;border-bottom:1px solid rgba(26,18,48,.08)}.book-page b,.book-page span{display:block}.book-page span{color:#5A5270;font-size:14px}.search-card{width:min(560px,calc(100% - 32px));background:#fff;border-radius:22px;box-shadow:0 24px 70px rgba(26,18,48,.25);padding-bottom:18px}.search-head h2{margin:0}.search-box{display:block;padding:22px}.search-box span{display:block;color:#5A5270;margin-bottom:8px}.search-box input{width:100%;min-height:48px;border:1px solid rgba(26,18,48,.15);border-radius:14px;padding:0 14px;font:inherit}.search-links{padding:0 22px;display:flex;gap:10px;flex-wrap:wrap}.search-links a{padding:9px 12px;background:#F3EBE3;border-radius:999px}.mobile-bottom{display:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(225,29,143,.35);outline-offset:3px}.card:hover,.topic:hover,.shelf-item:hover,.rank-item:hover{transform:translateY(-2px);transition:.2s;box-shadow:0 10px 25px rgba(26,18,48,.08)}
@media(max-width:860px){.tag-grid{grid-template-columns:repeat(2,1fr)}.card-grid,.topic-grid{grid-template-columns:1fr 1fr}.step-grid{grid-template-columns:1fr 1fr}.hero,.intro-grid{grid-template-columns:1fr}.hero-media{order:-1}.chapter-nav{gap:18px}}
@media(max-width:680px){.site-masthead{height:64px}.masthead-inner{padding:0 16px;grid-template-columns:48px 1fr 74px}.brand-logo{max-height:32px;max-width:150px}.mast-actions .search-open{display:none}.app-link{padding:0 12px;font-size:14px;white-space:nowrap}.chapter-nav{display:none}.page-main{padding:92px 16px 92px}.hero,.section{padding:20px;border-radius:18px}.hero{gap:20px}.hero-media img{max-height:300px}.tag-grid,.card-grid,.topic-grid,.step-grid{grid-template-columns:1fr}.book-menu{max-height:88vh}.book-pages{grid-template-columns:1fr}.book-page:nth-child(odd){border-right:0}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:96px}.mobile-bottom{display:grid;position:fixed;z-index:50;left:0;right:0;bottom:0;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid rgba(26,18,48,.1)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:14px;min-width:0}.mobile-bottom a.active{color:#E11D8F;font-weight:800}.footer-brand{align-items:flex-start}.rank-item{grid-template-columns:50px 1fr}.search-card{width:calc(100% - 24px)}}
