:root{
  --paper:#FFF8F2;--white:#FFFFFF;--soft:#F3EBE3;--ink:#1A1230;--text:#2C2440;--muted:#5A5270;--subtle:#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","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button,input{font:inherit}.skip-link{position:fixed;left:16px;top:-70px;z-index:2000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:10px}
.masthead{position:fixed;z-index:900;top:0;left:0;right:0;height:72px;background:var(--paper);border-bottom:1px solid var(--border)}.masthead-inner{height:100%;max-width:var(--max);margin:auto;padding:0 16px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand-link{justify-self:center;min-width:120px;text-align:center;display:flex;align-items:center;justify-content:center}.masthead-logo{max-height:38px;max-width:210px;object-fit:contain}.brand-wordmark{font-weight:900;letter-spacing:.08em;color:var(--ink);font-size:20px}.icon-button,.close-button{border:1px solid var(--border);background:#fff;color:var(--ink);width:44px;height:44px;border-radius:12px;display:inline-grid;place-items:center;cursor:pointer}.icon-button{font-size:22px}.masthead-actions{justify-self:end;display:flex;align-items:center;gap:8px}.app-link{min-height:44px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;background:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%);color:#fff;font-weight:800}.chapter-strip{position:fixed;z-index:850;top:72px;left:0;right:0;height:46px;background:#fff;border-bottom:1px solid var(--border)}.chapter-strip-inner{max-width:var(--max);height:100%;margin:auto;display:flex;align-items:center;justify-content:center;gap:36px;padding:0 16px}.chapter-strip a{height:100%;display:flex;align-items:center;position:relative;color:var(--muted);font-weight:700}.chapter-strip a.is-active,.chapter-strip a:hover{color:var(--ink)}.chapter-strip a.is-active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--pink);border-radius:3px 3px 0 0}.site-main{padding-top:118px;min-height:70vh}.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}.page-hero{padding:70px 0 36px}.page-hero .kicker,.eyebrow{margin:0 0 10px;color:var(--pink);font-size:13px;font-weight:900;letter-spacing:.12em}.page-hero h1{font-size:clamp(28px,4vw,34px);line-height:1.2;color:var(--ink);margin:0 0 18px}.page-hero p{max-width:760px;margin:0;color:var(--muted);font-size:17px}.section{padding:36px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.section-head h2{margin:0;color:var(--ink);font-size:clamp(22px,3vw,30px);line-height:1.3}.section-head p{margin:0;max-width:650px;color:var(--muted)}.prose-card,.content-card{background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:24px}.content-card h2,.content-card h3,.prose-card h2,.prose-card h3{color:var(--ink);margin-top:0}.content-card p:last-child,.prose-card p:last-child{margin-bottom:0}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card-link{display:block;transition:transform .18s ease,border-color .18s ease}.card-link:hover{transform:translateY(-3px);border-color:rgba(225,29,143,.28)}.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)}.dot-mint{background:var(--mint)}.number{font-size:44px;line-height:1;font-weight:900;color:var(--indigo);letter-spacing:-.05em}.number.pink{color:var(--pink)}.number.cyan{color:var(--cyan)}.number.amber{color:var(--amber)}.number.mint{color:var(--mint)}
.cover{padding:48px 0 28px}.cover-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:34px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:34px}.cover-copy{position:relative;padding-left:28px}.cover-copy .vertical-title{position:absolute;left:0;top:3px;writing-mode:vertical-rl;color:var(--pink);font-size:12px;font-weight:900;letter-spacing:.18em}.cover h1{font-size:clamp(32px,5vw,54px);line-height:1.12;color:var(--ink);margin:0 0 18px;letter-spacing:-.03em}.cover p{margin:0 0 22px;color:var(--muted);font-size:17px}.button-row{display:flex;flex-wrap:wrap;gap:10px}.primary-btn,.secondary-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;font-weight:900}.primary-btn{background:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%);color:#fff}.secondary-btn{background:#fff;color:var(--ink);border:1px solid var(--border)}.cover-media,.media-slot{border-radius:20px;background:linear-gradient(145deg,#F3EBE3,#FFF8F2);min-height:260px;display:flex;align-items:center;justify-content:center;overflow:hidden}.cover-media img{max-height:360px;width:100%;object-fit:contain}.section-media{margin:0 0 22px;border-radius:20px;overflow:hidden;background:var(--soft)}.section-media img{width:100%;max-height:360px;object-fit:contain}.tag-grid .content-card{box-shadow:none}.steps{counter-reset:step;display:grid;gap:14px}.step{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;padding:18px;border:1px solid var(--border);border-radius:18px;background:#fff}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);width:52px;height:52px;border-radius:16px;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:900}.shelf-list{display:grid;gap:12px}.shelf-row{display:grid;grid-template-columns:70px 1fr auto;gap:16px;align-items:center;padding:18px 20px;border:1px solid var(--border);border-radius:16px;background:#fff}.shelf-code{font-size:20px;font-weight:900;color:var(--pink)}.shelf-row strong{color:var(--ink)}.shelf-row span{color:var(--muted)}.shelf-row a{font-weight:800;color:var(--indigo)}.timeline{position:relative;display:grid;gap:18px;margin-left:10px}.timeline:before{content:"";position:absolute;left:15px;top:10px;bottom:10px;width:2px;background:rgba(99,102,241,.25)}.timeline-item{position:relative;padding-left:52px}.timeline-item:before{content:"";position:absolute;left:7px;top:26px;width:18px;height:18px;border:5px solid #fff;border-radius:50%;background:var(--indigo);box-shadow:0 0 0 1px var(--border)}.timeline-item:nth-child(2):before{background:var(--pink)}.timeline-item:nth-child(3):before{background:var(--amber)}.timeline-item:nth-child(4):before{background:var(--mint)}.status{display:inline-flex;align-items:center;min-height:30px;padding:0 11px;border-radius:999px;background:var(--soft);color:var(--ink);font-size:13px;font-weight:900}.editor-note{border-left:4px solid var(--pink);padding:14px 18px;background:#fff;border-radius:0 16px 16px 0;color:var(--muted)}.clause-list{display:grid;gap:14px}.clause{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px}.clause h2,.clause h3{margin:0 0 8px;color:var(--ink)}.clause p{margin:0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px}.faq-item h2{font-size:18px;margin:0 0 8px;color:var(--ink)}.faq-item p{margin:0;color:var(--muted)}
.site-footer{background:var(--ink);color:#F7EFE6;margin-top:64px;padding:48px 0 calc(42px + env(safe-area-inset-bottom))}.footer-inner{width:min(calc(100% - 32px),var(--max));margin:auto}.footer-brand{display:flex;align-items:center;gap:14px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.15)}.footer-logo{max-height:34px;max-width:180px;filter:brightness(0) invert(1)}.footer-brand strong{display:block;font-size:20px}.footer-brand span{display:block;color:rgba(247,239,230,.66);font-size:12px;letter-spacing:.12em}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:26px 0}.footer-group h2{font-size:14px;color:#fff;margin:0 0 10px}.footer-group a{display:block;color:rgba(247,239,230,.75);padding:5px 0}.footer-group a:hover{color:#fff}.footer-note{max-width:840px;color:rgba(247,239,230,.72);margin:0 0 8px}.copyright{margin:0;color:rgba(247,239,230,.56);font-size:13px}.page-overlay{position:fixed;z-index:1000;inset:0;background:rgba(26,18,48,.46);opacity:0;pointer-events:none;transition:opacity .18s}.page-overlay.is-visible{opacity:1;pointer-events:auto}.book-menu,.search-layer{position:fixed;z-index:1100;inset:0;display:grid;place-items:center;padding:24px;visibility:hidden;pointer-events:none}.book-menu.is-open,.search-layer.is-open{visibility:visible;pointer-events:auto}.book-shell{width:min(840px,100%);max-height:86vh;overflow:auto;background:#fff;border-radius:24px;box-shadow:0 30px 80px rgba(26,18,48,.24);border:1px solid var(--border)}.book-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;border-bottom:1px solid var(--border)}.book-brand{display:flex;align-items:center;gap:12px}.menu-logo{max-height:34px;max-width:170px}.book-brand strong{display:block;color:var(--ink)}.book-brand span{display:block;color:var(--subtle);font-size:11px;letter-spacing:.12em}.book-pages{display:grid;grid-template-columns:1fr 1fr}.book-group{padding:22px;min-width:0}.book-group:nth-child(odd){border-right:1px solid var(--border)}.book-group:nth-child(-n+2){border-bottom:1px solid var(--border)}.book-link{display:block;padding:10px 0;border-bottom:1px dashed rgba(26,18,48,.1)}.book-link:last-child{border-bottom:0}.book-link strong{display:block;color:var(--ink)}.book-link span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:3px}.search-card{width:min(620px,100%);background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:0 30px 80px rgba(26,18,48,.24);overflow:hidden}.search-head h2{margin:0;color:var(--ink);font-size:24px}.search-look{display:block;padding:22px}.search-look span{display:block;font-size:13px;color:var(--muted);font-weight:800;margin-bottom:8px}.search-look input{width:100%;height:50px;border:1px solid var(--border);border-radius:14px;padding:0 14px;color:var(--ink);background:var(--paper);outline:none}.search-look input:focus{border-color:var(--indigo);box-shadow:0 0 0 3px rgba(99,102,241,.12)}.preset-links{padding:0 22px 20px;display:flex;flex-wrap:wrap;gap:8px}.preset-links a{min-height:40px;padding:0 13px;display:inline-flex;align-items:center;border-radius:999px;background:var(--soft);color:var(--ink);font-weight:800}.search-note{margin:0;padding:0 22px 22px;color:var(--muted);font-size:14px}.mobile-bottom{display:none}.icon-button:focus-visible,.close-button:focus-visible,.app-link:focus-visible,a:focus-visible{outline:3px solid rgba(225,29,143,.35);outline-offset:3px}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr 1fr}.cover-grid{grid-template-columns:1fr}.cover-media{min-height:220px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.chapter-strip{display:none}.site-main{padding-top:72px;padding-bottom:64px}.masthead-inner{grid-template-columns:52px minmax(0,1fr) auto}.masthead-actions .search-trigger{display:none}.app-link{padding:0 12px;font-size:14px}.brand-link{min-width:0}.masthead-logo{max-width:150px;max-height:34px}.book-menu,.search-layer{padding:12px}.book-pages{grid-template-columns:1fr}.book-group:nth-child(odd){border-right:0}.book-group:nth-child(-n+2){border-bottom:0}.book-group{border-bottom:1px solid var(--border)!important}.book-group:last-child{border-bottom:0!important}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.cover{padding-top:24px}.cover-grid{padding:22px}.cover h1{font-size:36px}.page-hero{padding-top:42px}.section{padding:28px 0}.section-head{display:block}.section-head p{margin-top:8px}.shelf-row{grid-template-columns:52px 1fr}.shelf-row>a{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:calc(82px + env(safe-area-inset-bottom))}.mobile-bottom{position:fixed;z-index:800;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);display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:var(--muted);font-size:15px;min-width:0}.mobile-bottom a b{font-size:11px}.mobile-bottom a.is-active{color:var(--pink)}.modal-open .mobile-bottom{z-index:700}}
@media(max-width:430px){.footer-grid{grid-template-columns:1fr}.cover-copy{padding-left:22px}.cover-grid{padding:18px}.book-head,.search-head{padding:16px}.book-group{padding:18px}.search-card{border-radius:20px}.brand-wordmark{font-size:17px}.app-link{padding:0 10px}.masthead-actions{gap:4px}}