:root{
  --paper:#FFF8F2;--white:#FFFFFF;--soft:#F3EBE3;--ink:#1A1230;--text:#2C2440;--muted:#5A5270;--aux:#8A8298;
  --pink:#E11D8F;--indigo:#6366F1;--cyan:#0891B2;--amber:#D97706;--mint:#059669;
  --border:rgba(26,18,48,.10);--shadow:0 14px 34px rgba(26,18,48,.08);--max:1160px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.no-scroll{overflow:hidden}.masthead{position:fixed;left:0;right:0;top:0;height:72px;background:var(--paper);z-index:100;border-bottom:1px solid var(--border)}.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:18px}.square-btn,.search-btn{min-width:44px;height:44px;border:1px solid var(--border);background:var(--white);color:var(--ink);border-radius:14px;cursor:pointer}.square-btn{justify-self:start;width:44px}.brand-lockup{justify-self:center;display:flex;align-items:center;min-height:44px}.brand-logo{max-height:38px;width:auto}.brand-text{font-weight:800;letter-spacing:.08em;color:var(--ink);font-size:20px}.masthead-actions{justify-self:end;display:flex;gap:10px;align-items:center}.search-btn{padding:0 16px}.app-btn,.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;font-weight:700}.app-btn,.btn-primary{background:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%);color:#fff}.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--border)}.chapter-band{position:fixed;left:0;right:0;top:72px;height:46px;background:#fff;z-index:90;border-bottom:1px solid var(--border)}.chapter-inner{max-width:var(--max);height:100%;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:center;gap:36px}.chapter-inner a{height:46px;display:flex;align-items:center;position:relative;color:var(--muted);font-weight:650}.chapter-inner a.is-current{color:var(--ink)}.chapter-inner a.is-current:after{content:"";position:absolute;left:15%;right:15%;bottom:0;height:3px;background:var(--pink);border-radius:3px}.site-main{padding-top:118px}.wrap{max-width:var(--max);margin:auto;padding:0 20px}.page-hero{padding:58px 0 28px}.page-kicker,.eyebrow{font-size:13px;letter-spacing:.15em;text-transform:uppercase;font-weight:800;color:var(--pink)}h1,h2,h3{color:var(--ink);line-height:1.25;margin-top:0}h1{font-size:clamp(28px,4vw,34px);margin-bottom:18px}h2{font-size:clamp(22px,3vw,28px)}h3{font-size:19px}.lead{max-width:760px;font-size:17px;color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.magazine-cover{padding:44px 0 42px}.cover-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.vertical-mark{writing-mode:vertical-rl;letter-spacing:.3em;color:var(--pink);font-weight:800;font-size:13px;margin-bottom:14px}.cover-copy h1{max-width:640px}.cover-copy p{max-width:620px}.media-slot{min-height:240px;background:linear-gradient(135deg,rgba(99,102,241,.12),rgba(225,29,143,.10),rgba(217,119,6,.12));border:1px solid var(--border);border-radius:22px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{max-height:360px;width:100%;object-fit:contain}.section{padding:44px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:22px}.section-head p{max-width:620px;margin:0;color:var(--muted)}.tags-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tag-card,.card,.note-card,.faq-item,.step-card,.shelf-row,.index-row,.policy-block,.timeline-item{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.tag-card{padding:18px}.tag-dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}.dot-pink{background:var(--pink)}.dot-indigo{background:var(--indigo)}.dot-cyan{background:var(--cyan)}.dot-amber{background:var(--amber)}.tag-card p,.card p,.note-card p{margin-bottom:0;color:var(--muted)}.tag-card a,.text-link{display:inline-block;margin-top:12px;font-weight:750;color:var(--indigo)}.feature-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px;align-items:start}.chapter-list{counter-reset:item;display:grid;gap:12px}.chapter-list a{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;display:flex;gap:14px;align-items:center}.chapter-list b{color:var(--pink);font-size:22px}.masonry-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;align-items:start}.card{padding:20px}.card:nth-child(2){margin-top:28px}.card-media{margin:-20px -20px 18px;border-radius:18px 18px 0 0;overflow:hidden;min-height:150px;background:var(--soft)}.card-media img{width:100%;max-height:280px;object-fit:cover}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step-card{padding:20px}.step-num{font-size:28px;font-weight:900;color:var(--indigo)}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.theme-grid .card:nth-child(2n){margin-top:26px}.theme-grid .card:nth-child(3n){margin-top:8px}.shelf-list{display:grid;gap:12px}.shelf-row{padding:18px 20px;display:grid;grid-template-columns:160px 1fr auto;gap:18px;align-items:center}.shelf-label{font-weight:800;color:var(--ink)}.big-rank{display:grid;gap:14px}.rank-row{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--border)}.rank-no{font-size:52px;line-height:1;font-weight:900}.rank-row:nth-child(1) .rank-no{color:var(--pink)}.rank-row:nth-child(2) .rank-no{color:var(--indigo)}.rank-row:nth-child(3) .rank-no{color:var(--cyan)}.rank-row:nth-child(4) .rank-no{color:var(--amber)}.rank-row:nth-child(5) .rank-no{color:var(--mint)}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--border)}.timeline-item{position:relative;padding:20px;margin-bottom:16px}.timeline-item:before{content:"";position:absolute;left:-27px;top:28px;width:14px;height:14px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 6px var(--paper)}.status{display:inline-flex;border-radius:999px;padding:4px 10px;background:var(--soft);font-size:13px;font-weight:800;color:var(--ink)}.app-feature{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:center}.icon-box{display:flex;align-items:center;gap:14px;margin-bottom:18px}.icon-box img{width:58px;height:58px;object-fit:contain;border-radius:16px}.prose{max-width:850px}.prose p{margin:0 0 18px}.prose h2{margin-top:36px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.index-row,.policy-block,.note-card{padding:22px}.index-row{display:grid;grid-template-columns:56px 1fr;gap:16px}.index-code{font-weight:900;color:var(--pink);font-size:24px}.editor-note{border-left:4px solid var(--pink);background:#fff;padding:18px 20px;border-radius:0 16px 16px 0;margin:20px 0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{padding:22px}.faq-item h2{font-size:19px;margin-bottom:10px}.faq-item p{margin:0}.contact-choices{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-choices article{background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px}.site-footer{background:var(--ink);color:#F7EFE6;margin-top:56px;padding-bottom:0}.footer-inner{max-width:var(--max);margin:auto;padding:48px 20px 28px;display:grid;grid-template-columns:1.2fr 2fr;gap:42px}.footer-logo-wrap{display:flex;align-items:center;gap:14px;margin-bottom:16px}.footer-logo{max-height:36px;width:auto}.footer-brand strong{display:block;font-size:20px}.footer-brand small{display:block;color:#cfc6dd;letter-spacing:.12em}.footer-brand p{color:#d9d0e3}.footer-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-columns h2{color:#fff;font-size:15px;margin-bottom:12px}.footer-columns a{display:block;color:#d9d0e3;padding:5px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 20px;text-align:center;color:#c9c0d4;font-size:14px}.overlay{position:fixed;inset:0;background:rgba(26,18,48,.48);z-index:150;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.book-menu,.search-panel{position:fixed;left:50%;top:50%;transform:translate(-50%,-48%) scale(.98);z-index:160;background:var(--paper);border:1px solid var(--border);box-shadow:0 24px 70px rgba(26,18,48,.22);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.book-menu.is-open,.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.book-menu{width:min(840px,calc(100vw - 32px));max-height:86vh;border-radius:22px;overflow:auto}.book-head,.search-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}.book-brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--ink)}.book-brand img{max-height:32px;max-width:150px}.close-btn{width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:14px;cursor:pointer;color:var(--ink);font-size:24px}.book-pages{display:grid;grid-template-columns:1fr 1fr}.book-pages section{padding:22px}.book-pages section:nth-child(odd){border-right:1px solid var(--border)}.book-pages section:nth-child(-n+2){border-bottom:1px solid var(--border)}.book-pages h2{font-size:16px;color:var(--pink)}.book-pages a{display:block;padding:12px 0;border-top:1px dashed var(--border)}.book-pages a:first-of-type{border-top:0}.book-pages b{display:block;color:var(--ink)}.book-pages span{display:block;color:var(--muted);font-size:14px}.search-panel{width:min(620px,calc(100vw - 32px));border-radius:22px;padding-bottom:20px}.search-head h2{margin:0;font-size:20px}.fake-search{margin:20px;border:1px solid var(--border);background:#fff;border-radius:16px;padding:16px;color:var(--aux)}.search-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 20px}.search-links a{background:var(--soft);border-radius:14px;padding:12px;text-align:center;font-weight:700;color:var(--ink)}.mobile-bottom{display:none}.square-btn:hover,.search-btn:hover,.btn-secondary:hover,.book-pages a:hover,.footer-columns a:hover,.text-link:hover{color:var(--pink)}a:focus-visible,button:focus-visible{outline:3px solid rgba(99,102,241,.35);outline-offset:3px}
@media(max-width:900px){.tags-grid{grid-template-columns:repeat(2,1fr)}.cover-grid,.feature-grid,.app-feature,.footer-inner{grid-template-columns:1fr}.masonry-3{grid-template-columns:1fr 1fr}.steps{grid-template-columns:repeat(2,1fr)}.theme-grid,.grid-3{grid-template-columns:repeat(2,1fr)}.shelf-row{grid-template-columns:120px 1fr}.shelf-row a{grid-column:2}.footer-columns{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.masthead{height:64px}.masthead-inner{padding:0 16px;grid-template-columns:44px minmax(0,1fr) auto;gap:8px}.brand-logo{max-height:32px;max-width:170px}.masthead-actions{gap:0}.desktop-search{display:none}.app-btn{padding:0 14px;min-height:44px}.chapter-band{display:none}.site-main{padding-top:64px}.wrap{padding:0 16px}.magazine-cover{padding-top:28px}.cover-grid{gap:22px}.vertical-mark{writing-mode:horizontal-tb}.page-hero{padding-top:36px}.section{padding:34px 0}.section-head{display:block}.section-head p{margin-top:8px}.masonry-3,.grid-2,.grid-3,.theme-grid,.contact-choices{grid-template-columns:1fr}.masonry-3 .card,.theme-grid .card{margin-top:0}.tags-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}.shelf-row{grid-template-columns:1fr}.shelf-row a{grid-column:auto}.rank-row{grid-template-columns:66px 1fr}.rank-no{font-size:42px}.footer-inner{padding-bottom:24px}.footer-columns{grid-template-columns:1fr 1fr}.book-menu{width:calc(100vw - 24px);max-height:90vh}.book-pages{grid-template-columns:1fr}.book-pages section{border-right:0!important;border-bottom:1px solid var(--border)!important}.search-panel{width:calc(100vw - 24px)}.search-links{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);z-index:80}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:750;color:var(--muted)}.mobile-bottom a.is-current{color:var(--pink)}}
@media(max-width:460px){.tags-grid{grid-template-columns:1fr}.footer-columns{grid-template-columns:1fr}.app-btn{font-size:13px;padding:0 11px}.brand-text{font-size:18px}}