*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#FFF8F2;color:#2C2440;font:16px/1.8 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;max-height:520px;width:auto;height:auto;object-fit:contain}.masthead{position:fixed;z-index:50;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 20px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand{justify-self:center;display:flex;align-items:center;height:48px}.brand img{max-height:38px;max-width:220px}.brand strong{font-size:22px;color:#1A1230;letter-spacing:.08em}.icon-btn,.modal-close{width:44px;height:44px;border:0;border-radius:50%;background:#fff;color:#1A1230;font-size:22px;cursor:pointer}.menu-open{justify-self:start;display:flex;flex-direction:column;justify-content:center;gap:4px;padding:12px}.menu-open span{height:2px;background:#1A1230;width:19px;display:block}.mast-actions{justify-self:end;display:flex;align-items:center;gap:8px}.app-link,.btn-primary,.btn-secondary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:0 18px;font-weight:700}.app-link,.btn-primary{background:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%);color:#fff}.btn-secondary{background:#fff;color:#1A1230;border:1px solid rgba(26,18,48,.12)}.chapter-bar{position:fixed;z-index:45;top:72px;left:0;right:0;height:46px;background:#fff;border-bottom:1px solid rgba(26,18,48,.1);display:flex;align-items:center;justify-content:center;gap:30px}.chapter-bar a{height:46px;display:flex;align-items:center;position:relative;color:#5A5270}.chapter-bar a.active:after{content:"";position:absolute;height:3px;border-radius:3px;left:0;right:0;bottom:0;background:#E11D8F}.site-main{padding-top:118px}.wrap{max-width:1160px;margin:auto;padding:56px 20px}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:42px;align-items:center}.hero.no-image{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:clamp(28px,4vw,34px);line-height:1.25;color:#1A1230;margin:.2em 0 .6em}.kicker,.eyebrow{color:#E11D8F;font-weight:800;letter-spacing:.12em}.lede{font-size:18px;color:#5A5270;max-width:760px}.hero-media{background:#fff;border-radius:22px;padding:14px;box-shadow:0 14px 34px rgba(26,18,48,.08)}.hero-media img{max-height:360px;margin:auto}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.section{padding:54px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.section h2{font-size:clamp(23px,3vw,30px);line-height:1.35;color:#1A1230;margin:0}.section-head p{margin:0;max-width:640px;color:#5A5270}.tag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tag-card,.card,.step,.note,.shelf-row,.faq-item,.policy-block{background:#fff;border:1px solid rgba(26,18,48,.10);border-radius:18px;padding:20px;box-shadow:0 14px 34px rgba(26,18,48,.05)}.tag-card .dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}.tag-card:nth-child(4n+1) .dot{background:#E11D8F}.tag-card:nth-child(4n+2) .dot{background:#6366F1}.tag-card:nth-child(4n+3) .dot{background:#0891B2}.tag-card:nth-child(4n) .dot{background:#D97706}.tag-card h3,.card h3,.step h3,.policy-block h2{color:#1A1230;margin:.2em 0 .4em}.tag-card p,.card p,.step p,.note p,.shelf-row p,.policy-block p{margin:.35em 0;color:#5A5270}.editorial-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}.chapter-list{display:grid;gap:12px}.chapter-item{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid rgba(26,18,48,.1)}.chapter-item b,.big-number{font-size:26px;color:#E11D8F}.cards-3{display:grid;grid-template-columns:1.05fr .95fr 1.05fr;gap:18px;align-items:start}.card.tall{padding-bottom:42px}.card img{margin:0 auto 14px;max-height:230px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step b{display:block;font-size:26px;color:#6366F1}.masonry-6{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.masonry-6 .card:nth-child(2),.masonry-6 .card:nth-child(5){transform:translateY(18px)}.shelf-list{display:grid;gap:12px}.shelf-row{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:18px}.shelf-row .label{font-weight:800;color:#6366F1}.rank-list{display:grid;gap:12px}.rank-item{display:grid;grid-template-columns:80px 1fr;gap:18px;align-items:start;padding:16px 0;border-bottom:1px solid rgba(26,18,48,.1)}.rank-item .big-number{font-size:44px;font-weight:900;line-height:1}.timeline{position:relative;margin-left:12px;padding-left:34px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:#F3EBE3}.timeline-item{position:relative;margin:0 0 26px;background:#fff;border-radius:18px;padding:20px;border:1px solid rgba(26,18,48,.1)}.timeline-item:before{content:"";position:absolute;left:-33px;top:28px;width:14px;height:14px;border-radius:50%;background:#059669;box-shadow:0 0 0 5px #FFF8F2}.timeline-item .status{font-weight:800;color:#059669}.page-hero{padding:54px 0 26px}.page-hero .hero-line{max-width:820px}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.content-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.prose{max-width:860px}.prose p{margin:0 0 1.1em}.prose h2{margin:1.6em 0 .5em;color:#1A1230}.callout{border-left:4px solid #E11D8F;background:#fff;padding:18px 20px;border-radius:0 16px 16px 0;margin:24px 0}.badge{display:inline-flex;border-radius:999px;padding:5px 11px;background:#F3EBE3;color:#1A1230;font-size:14px;font-weight:700}.faq-list{display:grid;gap:14px}.faq-item h2{font-size:20px}.app-showcase{display:grid;grid-template-columns:minmax(260px,.75fr) minmax(0,1.25fr);gap:32px;align-items:center}.app-visuals{display:grid;grid-template-columns:1fr 90px;gap:12px;align-items:end}.app-visuals img{background:#fff;padding:10px;border-radius:20px;box-shadow:0 14px 34px rgba(26,18,48,.08)}.contact-options{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.site-footer{background:#1A1230;color:#F7EFE6;padding:56px 0 76px}.footer-inner{max-width:1160px;margin:auto;padding:0 20px}.footer-brand{max-width:640px}.footer-brand img{max-height:38px;margin-bottom:12px}.footer-brand strong{display:block;font-size:23px}.footer-brand span{color:#cfc5df}.footer-brand p{color:#ddd3e6}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin:38px 0}.footer-grid h2{font-size:16px;margin:0 0 12px;color:#fff}.footer-grid a{display:block;color:#ddd3e6;padding:5px 0}.footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:#cfc5df}.overlay{position:fixed;z-index:80;inset:0;background:rgba(26,18,48,.42);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.modal-shell{position:fixed;z-index:90;left:50%;top:50%;transform:translate(-50%,-46%);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.modal-shell.show{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,-50%)}.book-menu{width:min(840px,calc(100vw - 32px));max-height:calc(100vh - 50px);overflow:auto;background:#FFF8F2;border-radius:22px;box-shadow:0 30px 70px rgba(26,18,48,.24)}.book-head{position:sticky;top:0;background:#FFF8F2;display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid rgba(26,18,48,.1);z-index:2}.book-brand{display:flex;align-items:center;gap:10px}.book-brand img{max-height:30px;max-width:160px}.book-pages{display:grid;grid-template-columns:1fr 1fr}.book-pages section{padding:22px 26px}.book-pages section:nth-child(odd){border-right:1px solid rgba(26,18,48,.1)}.book-pages h2{font-size:17px;color:#E11D8F}.book-pages a{display:block;padding:10px 0;border-bottom:1px dashed rgba(26,18,48,.1)}.book-pages b{display:block;color:#1A1230}.book-pages span{display:block;color:#5A5270;font-size:14px}.search-modal{width:min(560px,calc(100vw - 32px))}.search-card{position:relative;background:#fff;border-radius:22px;padding:28px;box-shadow:0 30px 70px rgba(26,18,48,.24)}.search-card .modal-close{position:absolute;right:14px;top:14px}.fake-search{margin:18px 0;background:#F3EBE3;border-radius:999px;padding:13px 18px;color:#8A8298}.preset-links{display:flex;flex-wrap:wrap;gap:10px}.preset-links a{background:#FFF8F2;border:1px solid rgba(26,18,48,.1);padding:9px 13px;border-radius:999px}.modal-open{overflow:hidden}.mobile-nav{display:none}.soft-panel{background:#F3EBE3;border-radius:22px;padding:26px}.small-media{max-width:440px;margin:auto}.center{text-align:center}.muted{color:#5A5270}.spacer{height:10px}a:focus-visible,button:focus-visible{outline:3px solid rgba(99,102,241,.45);outline-offset:3px}@media(max-width:820px){.chapter-bar{display:none}.site-main{padding-top:72px}.masthead-inner{grid-template-columns:72px 1fr 96px;padding:0 10px}.search-open{display:none}.app-link{padding:0 13px;font-size:14px}.hero,.editorial-grid,.app-showcase{grid-template-columns:1fr}.hero-media{order:-1}.tag-grid{grid-template-columns:repeat(2,1fr)}.cards-3,.content-grid.three{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.masonry-6{grid-template-columns:repeat(2,1fr)}.masonry-6 .card:nth-child(2),.masonry-6 .card:nth-child(5){transform:none}.shelf-row{grid-template-columns:1fr}.book-pages{grid-template-columns:1fr}.book-pages section:nth-child(odd){border-right:0}.book-pages section{border-bottom:1px solid rgba(26,18,48,.1)}.content-grid,.contact-options{grid-template-columns:1fr}.mobile-nav{position:fixed;z-index:40;left:0;right:0;bottom:0;display:grid;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-nav a{display:flex;align-items:center;justify-content:center;font-size:13px;min-height:50px}.mobile-nav a.active{color:#E11D8F;font-weight:800}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}}@media(max-width:520px){.wrap{padding:42px 16px}.tag-grid,.steps,.masonry-6{grid-template-columns:1fr}.section{padding:42px 0}.footer-grid{grid-template-columns:repeat(2,1fr)}.rank-item{grid-template-columns:62px 1fr}.rank-item .big-number{font-size:36px}.app-visuals{grid-template-columns:1fr 74px}.brand img{max-width:150px}.masthead-inner{grid-template-columns:56px 1fr 88px}.app-link{padding:0 10px}.search-card{padding:24px 18px}.book-menu{width:calc(100vw - 20px)}}