:root{--paper:#FFF8F2;--white:#FFFFFF;--soft:#F3EBE3;--ink:#1A1230;--body:#2C2440;--muted:#5A5270;--faint:#8A8298;--magenta:#E11D8F;--indigo:#6366F1;--cyan:#0891B2;--amber:#D97706;--mint:#059669;--border:rgba(26,18,48,.10);--shadow:0 14px 34px rgba(26,18,48,.08);--radius:20px;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--body);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;line-height:1.78;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:inherit;text-decoration:none}a,button{outline:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(99,102,241,.35);outline-offset:3px}img{display:block;max-width:100%;height:auto}.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.masthead{position:fixed;top:0;left:0;right:0;height:72px;background:rgba(255,248,242,.97);border-bottom:1px solid var(--border);z-index:80;backdrop-filter:blur(8px)}.masthead-inner{height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.square-action,.icon-action,.layer-close{border:0;background:transparent;color:var(--ink);cursor:pointer;min-width:44px;min-height:44px}.square-action{width:44px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:10px}.square-action span{width:20px;height:2px;background:var(--ink);border-radius:2px}.brand-lockup{justify-self:center;display:flex;align-items:center;min-height:44px;font-size:23px;color:var(--ink);font-weight:800}.brand-logo{max-height:38px;width:auto}.mast-actions{justify-self:end;display:flex;align-items:center;gap:8px}.icon-action{display:inline-flex;align-items:center;gap:7px;padding:0 10px}.search-glyph{width:17px;height:17px;border:2px solid currentColor;border-radius:50%;display:inline-block;position:relative;flex:0 0 auto}.search-glyph:after{content:"";position:absolute;width:7px;height:2px;background:currentColor;right:-5px;bottom:-2px;transform:rotate(45deg);border-radius:2px}.app-quick,.btn-primary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,#6366F1 0%,#E11D8F 55%,#D97706 100%);color:#fff;font-weight:700}.chapter-band{position:fixed;top:72px;left:0;right:0;height:46px;background:#fff;border-bottom:1px solid var(--border);z-index:70}.chapter-inner{height:46px;display:flex;align-items:center;justify-content:center;gap:34px}.chapter-inner a{height:46px;display:flex;align-items:center;position:relative;color:var(--muted);font-size:15px}.chapter-inner a.active{color:var(--ink);font-weight:700}.chapter-inner a.active:after{content:"";position:absolute;left:10%;right:10%;bottom:0;height:3px;background:var(--magenta);border-radius:3px 3px 0 0}.site-main{padding-top:118px}
.page-shell{padding:42px 0 72px}.page-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.75fr);gap:36px;align-items:center;margin-bottom:34px}.page-hero.compact{grid-template-columns:1fr}.eyebrow{font-weight:800;letter-spacing:.12em;color:var(--magenta);font-size:13px;margin:0 0 8px}.page-hero h1,.cover-copy h1{font-size:clamp(28px,4vw,34px);line-height:1.3;color:var(--ink);margin:0 0 16px}.lead{font-size:17px;color:var(--muted);max-width:760px}.media-slot{min-height:250px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#F3EBE3,#fff);border:1px dashed rgba(26,18,48,.16);border-radius:22px;color:var(--faint);font-weight:800;letter-spacing:.12em}.page-hero .media-slot,.page-hero img{max-height:330px;object-fit:contain;margin-inline:auto}
.card,.paper-section,.faq-item,.shelf-row,.timeline-item,.number-card,.step-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:var(--radius)}.paper-section{padding:28px;margin:18px 0}.paper-section h2,.card h2,.card h3,.step-card h3,.shelf-row h3,.faq-item h2{color:var(--ink);margin-top:0}.paper-section p:last-child,.card p:last-child{margin-bottom:0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:52px 0 18px}.section-title h2{margin:0;color:var(--ink);font-size:26px}.section-title p{margin:0;color:var(--muted);max-width:640px}.card{padding:24px}.tag,.pill{display:inline-flex;align-items:center;min-height:28px;padding:2px 10px;border-radius:999px;background:var(--soft);font-size:13px;color:var(--muted)}.card-link,.text-link{color:var(--indigo);font-weight:800}.card-link:hover,.text-link:hover{text-decoration:underline}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn-secondary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--ink);font-weight:700}
.cover{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.95fr);gap:32px;align-items:center;padding:54px 0 36px}.cover-kicker{display:flex;gap:18px;align-items:flex-start}.vertical-mark{writing-mode:vertical-rl;color:var(--magenta);font-weight:900;letter-spacing:.22em;font-size:13px;padding-top:5px}.cover-copy p{font-size:17px;color:var(--muted);max-width:620px}.cover-art img,.cover-art .media-slot{width:100%;max-height:360px;object-fit:contain}.topic-ribbon{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic-chip{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;min-height:130px}.topic-chip h3{margin:0 0 7px;color:var(--ink);font-size:18px}.topic-chip p{margin:0 0 8px;color:var(--muted);font-size:14px}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:7px}.dot.m1{background:var(--magenta)}.dot.m2{background:var(--indigo)}.dot.m3{background:var(--cyan)}.dot.m4{background:var(--amber)}
.editorial-feature{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(0,1.15fr);gap:24px}.editorial-feature .media-slot,.editorial-feature img{height:100%;min-height:300px;object-fit:contain;background:#fff}.chapter-list{display:grid;gap:12px}.chapter-line{display:grid;grid-template-columns:52px 1fr auto;gap:12px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px 16px}.chapter-no,.big-no{font-weight:900;font-size:24px;color:var(--magenta)}.masonry-three{display:grid;grid-template-columns:1.08fr .92fr 1fr;gap:18px;align-items:start}.masonry-three .card:nth-child(2){margin-top:34px}.masonry-three .card:nth-child(3){margin-top:12px}.card-image{margin:-24px -24px 18px}.card-image img,.card-image .media-slot{border-radius:20px 20px 0 0;min-height:190px;max-height:240px;width:100%;object-fit:contain;background:var(--paper)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step-card{padding:22px}.step-card .step-no{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;font-weight:900;margin-bottom:12px}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}.theme-grid .card:nth-child(2),.theme-grid .card:nth-child(5){min-height:230px}.theme-grid .card:nth-child(3){min-height:190px}
.shelf-list{display:grid;gap:12px}.shelf-row{padding:20px 22px;display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center}.shelf-label{font-weight:900;color:#fff;border-radius:14px;padding:14px;text-align:center;background:linear-gradient(135deg,var(--indigo),var(--magenta))}.rank-list{display:grid;gap:14px}.number-card{padding:18px 22px;display:grid;grid-template-columns:80px 1fr auto;gap:20px;align-items:center}.number-card:nth-child(2n) .big-no{color:var(--indigo)}.number-card:nth-child(3n) .big-no{color:var(--cyan)}.number-card:nth-child(4n) .big-no{color:var(--amber)}.timeline{position:relative;margin-left:20px}.timeline:before{content:"";position:absolute;left:15px;top:12px;bottom:12px;width:2px;background:rgba(99,102,241,.24)}.timeline-item{position:relative;margin:0 0 16px 48px;padding:20px 22px}.timeline-item:before{content:"";position:absolute;left:-42px;top:28px;width:18px;height:18px;border-radius:50%;background:var(--magenta);box-shadow:0 0 0 7px var(--paper)}.timeline-item .status{font-size:13px;font-weight:800;color:var(--indigo)}
.app-panel{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:center;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:28px}.app-visual{display:grid;grid-template-columns:78px 1fr;gap:16px;align-items:center}.app-icon img,.app-icon .media-slot{width:78px;height:78px;min-height:78px;border-radius:20px;object-fit:contain}.app-image img,.app-image .media-slot{max-height:280px;min-height:240px;object-fit:contain}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.note{border-left:4px solid var(--amber);padding:14px 18px;background:#fff;border-radius:0 14px 14px 0;color:var(--muted)}.editor-opinion{border-left:4px solid var(--magenta);padding:16px 20px;background:#fff;border-radius:0 16px 16px 0}.editor-opinion strong{color:var(--magenta)}
.faq-list{display:grid;gap:14px}.faq-item{padding:24px}.faq-item h2{font-size:19px;margin-bottom:10px}.faq-item p{margin:0}.contact-types{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.contact-types .card{min-height:220px}.prose h2{color:var(--ink);font-size:23px;margin-top:34px}.prose h3{color:var(--ink);font-size:19px;margin-top:26px}.prose p{margin:12px 0}.legal-section{border-top:1px solid var(--border);padding:26px 0}.legal-section:first-child{border-top:0}.legal-section h2{margin:0 0 10px;color:var(--ink)}.index-image img{max-height:300px;object-fit:contain;margin:auto}
.site-footer{background:var(--ink);color:#F7EFE6;padding:50px 0 88px}.footer-top{display:grid;grid-template-columns:1.1fr 2fr;gap:44px}.footer-brand p{color:rgba(247,239,230,.78)}.footer-logo-link{display:inline-flex;align-items:center;color:#fff;font-size:24px;font-weight:900}.footer-logo{max-height:36px;width:auto}.footer-en{font-weight:800;letter-spacing:.14em}.footer-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-columns h2{font-size:15px;color:#fff;margin:0 0 12px}.footer-columns a{display:block;color:rgba(247,239,230,.78);margin:7px 0}.footer-columns a:hover{color:#fff}.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:22px;color:rgba(247,239,230,.72);font-size:14px}
.layer,.overlay{visibility:hidden;pointer-events:none;opacity:0;transition:opacity .2s ease,visibility .2s ease}.overlay{position:fixed;inset:0;background:rgba(26,18,48,.52);z-index:90}.layer{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px}.overlay.is-open,.layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.directory-book{width:min(840px,100%);max-height:calc(100vh - 48px);overflow:auto;background:#fff;border-radius:22px;box-shadow:0 30px 80px rgba(26,18,48,.28)}.layer-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;border-bottom:1px solid var(--border);background:var(--paper);position:sticky;top:0;z-index:2}.layer-brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:900}.layer-logo{max-height:30px;width:auto}.layer-close{border:1px solid var(--border);border-radius:999px;padding:0 14px;background:#fff}.book-pages{display:grid;grid-template-columns:1fr 1fr}.book-page{padding:24px 28px}.book-page:first-child{border-right:1px solid var(--border)}.directory-group h2{font-size:15px;color:var(--magenta);letter-spacing:.08em;margin:0 0 10px}.directory-group{margin-bottom:24px}.directory-group a{display:block;padding:10px 0;border-bottom:1px dashed var(--border)}.directory-group b{display:block;color:var(--ink)}.directory-group span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:2px}.search-card{width:min(620px,100%);background:#fff;border-radius:22px;box-shadow:0 30px 80px rgba(26,18,48,.28);overflow:hidden}.fake-search{display:flex;align-items:center;gap:12px;margin:24px;border:1px solid var(--border);border-radius:16px;padding:0 16px;min-height:54px;color:var(--muted)}.fake-search input{border:0;background:transparent;width:100%;font-size:16px;color:var(--ink)}.search-hint{margin:0 24px 12px;color:var(--muted)}.search-presets{display:flex;flex-wrap:wrap;gap:10px;padding:0 24px 26px}.search-presets a{min-height:44px;display:flex;align-items:center;padding:0 14px;border-radius:999px;background:var(--soft);color:var(--ink);font-weight:700}.mobile-bottom{display:none}

/* Interactive states and compact supporting text */
.app-quick,.btn-primary,.btn-secondary,.square-action,.icon-action,.layer-close,.search-presets a{transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,filter .18s ease,color .18s ease}
.app-quick:hover,.btn-primary:hover{filter:brightness(.96);transform:translateY(-1px);box-shadow:0 8px 18px rgba(26,18,48,.12)}
.btn-secondary:hover,.search-presets a:hover,.layer-close:hover,.square-action:hover,.icon-action:hover{background:var(--soft)}
.muted-line{color:var(--muted);font-size:14px;line-height:1.55;margin-top:2px}.number-card h3,.timeline-item h3{margin:0 0 5px;color:var(--ink)}.number-card p,.timeline-item p,.step-card p,.shelf-row p{margin:0;color:var(--muted)}
@media (max-width:900px){.chapter-inner{gap:20px}.topic-ribbon{grid-template-columns:repeat(2,1fr)}.masonry-three{grid-template-columns:1fr 1fr}.masonry-three .card:nth-child(3){grid-column:1/-1}.steps{grid-template-columns:repeat(2,1fr)}.theme-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr}.page-hero,.cover,.editorial-feature,.app-panel{grid-template-columns:1fr}.cover-art{order:-1}.three-col{grid-template-columns:1fr 1fr}}
@media (max-width:700px){.desktop-only,.chapter-band,.search-open{display:none}.masthead,.masthead-inner{height:64px}.masthead-inner{grid-template-columns:56px 1fr 92px}.mast-actions{width:92px}.app-quick{width:92px;padding:0 10px;font-size:14px}.brand-lockup{font-size:21px}.brand-logo{max-height:34px}.site-main{padding-top:64px}.page-shell{padding-top:28px;padding-bottom:74px}.cover{padding-top:30px;gap:20px}.cover-kicker{display:block}.vertical-mark{writing-mode:horizontal-tb;margin-bottom:8px}.topic-ribbon,.masonry-three,.steps,.theme-grid,.two-col,.three-col,.contact-types{grid-template-columns:1fr}.masonry-three .card:nth-child(2),.masonry-three .card:nth-child(3){margin-top:0;grid-column:auto}.page-hero{grid-template-columns:1fr;gap:20px}.paper-section{padding:22px}.shelf-row{grid-template-columns:1fr}.shelf-label{width:max-content}.number-card{grid-template-columns:64px 1fr}.number-card .text-link{grid-column:2}.book-pages{grid-template-columns:1fr}.book-page{padding:20px}.book-page:first-child{border-right:0;border-bottom:1px solid var(--border)}.directory-book{max-height:calc(100vh - 24px)}.layer{padding:12px}.footer-columns{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:98px}.mobile-bottom{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:60;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(26,18,48,.06)}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50px;color:var(--muted);font-size:11px;line-height:1.2}.mobile-bottom a span{font-size:17px;margin-bottom:2px}.mobile-bottom a.active{color:var(--magenta);font-weight:800}.chapter-line{grid-template-columns:44px 1fr}.chapter-line .text-link{grid-column:2}.section-title{align-items:flex-start;flex-direction:column}.timeline{margin-left:5px}}
@media (max-width:420px){.footer-columns{grid-template-columns:1fr}.page-hero h1,.cover-copy h1{font-size:29px}.card{padding:20px}.card-image{margin:-20px -20px 16px}.masthead-inner{width:100%;padding:0 8px}.brand-logo{max-width:150px}.app-quick{width:84px;font-size:13px}.mast-actions{width:84px}}