:root{--bg:#FFF7FA;--surface:#FFFFFF;--soft:#FFEAF2;--ink:#4A1630;--text:#5C2A3E;--muted:#8A4A62;--faint:#B07A90;--brand:#E85A8B;--bright:#FF7AA8;--deep:#C43B6E;--pale:#FFE1EC;--border:rgba(232,90,139,.16);--shadow:0 14px 34px rgba(196,59,110,.10);--rail:88px;--top:56px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);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}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;display:block}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(232,90,139,.35);outline-offset:3px}.topbar{position:fixed;left:88px;right:0;top:0;height:56px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;z-index:90}.topbar-side{padding:0 20px}.topbar-right{text-align:right}.brand-top{height:44px;min-width:150px;display:flex;align-items:center;justify-content:center}.brand-logo{max-height:36px;max-width:180px;width:auto}.brand-word{font-weight:800;color:var(--ink);letter-spacing:.04em}.app-link{display:inline-flex;min-height:44px;align-items:center;padding:0 16px;border-radius:999px;color:var(--deep);font-weight:700}.app-link:hover{background:var(--soft)}.desktop-rail{position:fixed;left:0;top:0;bottom:0;width:88px;background:var(--soft);border-right:1px solid var(--border);z-index:100;display:flex;flex-direction:column;align-items:center;padding:12px 8px;gap:8px}.rail-brand{width:56px;height:56px;border-radius:18px;background:#fff;display:grid;place-items:center;color:var(--deep);font-weight:800;box-shadow:var(--shadow);margin-bottom:6px;overflow:hidden}.rail-brand img{width:100%;height:100%;object-fit:cover}.rail-item{width:72px;min-height:52px;padding:6px;border-radius:18px;display:grid;place-items:center;text-align:center;font-size:13px;line-height:1.25;color:var(--text);border:1px solid transparent}.rail-item:hover{background:#fff;border-color:var(--border)}.rail-item.is-active{background:var(--deep);color:#fff}.rail-button{background:transparent}.site-main{margin-left:calc(var(--rail) + 24px);padding:calc(var(--top) + 34px) 24px 70px;min-height:70vh}.wrap{max-width:1180px;margin:0 auto}.hero,.page-hero{max-width:1180px;margin:0 auto 28px}.page-hero{padding:34px;background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--deep);font-weight:800;font-size:13px;letter-spacing:.08em}.eyebrow:before{content:"";width:18px;height:2px;background:var(--brand);border-radius:99px}h1,h2,h3{color:var(--ink);line-height:1.3;margin-top:0}h1{font-size:clamp(28px,3vw,34px);margin-bottom:16px}h2{font-size:24px;margin-bottom:12px}h3{font-size:18px}.lead{font-size:17px;max-width:820px;margin:0;color:var(--muted)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{min-height:44px;padding:10px 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.btn-primary{background:linear-gradient(135deg,#FF7AA8 0%,#E85A8B 55%,#C43B6E 100%);color:#fff}.btn-secondary{background:#fff;color:var(--deep);border:1px solid var(--border)}.cover-card{background:linear-gradient(180deg,#fff,#fff5f9);border:1px solid var(--border);border-radius:22px;padding:34px;box-shadow:var(--shadow)}.cover-media{margin-top:24px;border-radius:20px;overflow:hidden;background:var(--pale);max-height:360px}.cover-media img{width:100%;max-height:360px;object-fit:cover}.media-placeholder{width:100%;aspect-ratio:16/7;background:linear-gradient(135deg,#FFEAF2,#FFF7FA 54%,#FFE1EC);border:1px dashed rgba(196,59,110,.16)}.section{max-width:1180px;margin:28px auto;background:#fff;border:1px solid var(--border);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.section-soft{background:var(--soft)}.section-head-spaced{margin-top:24px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:20px}.section-head p{margin:0;color:var(--muted);max-width:620px}.more-link{color:var(--deep);font-weight:800}.polaroid-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.polaroid{background:#fff;border:1px solid var(--border);padding:12px 12px 18px;border-radius:18px;box-shadow:var(--shadow)}.polaroid:nth-child(1),.polaroid:nth-child(5){transform:rotate(-1deg)}.polaroid:nth-child(2),.polaroid:nth-child(6){transform:rotate(1deg)}.polaroid:nth-child(3){transform:rotate(.5deg)}.polaroid:nth-child(4){transform:rotate(-.5deg)}.polaroid .media-placeholder,.polaroid img{aspect-ratio:4/3;object-fit:cover;border-radius:13px}.polaroid h3{margin:14px 2px 8px}.polaroid p{margin:0 2px;color:var(--muted)}.notebook{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:24px}.note-list{counter-reset:note}.note-item{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}.note-item:before{counter-increment:note;content:"0" counter(note);font-size:24px;font-weight:900;color:var(--brand)}.note-item:last-child{border-bottom:0}.media-card img,.media-card .media-placeholder{border-radius:18px;aspect-ratio:4/3;object-fit:cover}.bookshelf{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.book{background:var(--soft);border-radius:18px;padding:18px;min-height:260px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--border)}.book-cover{aspect-ratio:3/4;background:linear-gradient(180deg,#fff,#FFE1EC);border-radius:12px;margin-bottom:16px;display:flex;align-items:end;padding:14px;color:var(--deep);font-weight:900}.book p{margin:0;color:var(--muted);font-size:14px}.number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.number-card{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--border)}.number{font-size:44px;font-weight:900;line-height:1;color:var(--brand);margin-bottom:12px}.status-grid,.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.status-card,.info-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px}.status-card strong{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--deep);font-size:13px;margin-bottom:12px}.letter-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.letter{background:#fff9fb;border:1px solid var(--border);border-radius:18px;padding:24px}.letter small{color:var(--deep);font-weight:800}.app-feature{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:26px;align-items:center}.app-visual{position:relative;background:var(--soft);padding:24px;border-radius:22px}.app-visual img,.app-visual .media-placeholder{border-radius:18px;aspect-ratio:4/3;object-fit:cover}.app-icon{position:absolute;right:12px;bottom:12px;width:64px;height:64px;border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--shadow);display:grid;place-items:center}.app-icon img{width:100%;height:100%;object-fit:cover}.prose{font-size:16px}.prose p{margin:0 0 16px}.prose h2{margin-top:30px}.prose h3{margin-top:22px}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.content-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px}.content-card p{margin-bottom:0;color:var(--muted)}.index-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.index-row{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px}.index-row span{display:block;color:var(--brand);font-weight:900;margin-bottom:6px}.steps{display:grid;gap:14px;counter-reset:step}.step{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px 20px 20px 84px;position:relative}.step:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--deep);color:#fff;font-weight:900}.quote-note{background:var(--soft);border-left:4px solid var(--brand);padding:18px 20px;border-radius:0 16px 16px 0;color:var(--text)}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:16px;padding:0 18px;margin-bottom:12px}.faq-list summary{cursor:pointer;min-height:54px;display:flex;align-items:center;font-weight:800;color:var(--ink)}.faq-list p{margin:0;padding:0 0 18px;color:var(--muted)}.site-footer{margin-left:88px;background:#4A1630;color:#F8D6E4;padding:46px 24px 88px}.footer-inner{max-width:1180px;margin:0 auto}.footer-brand{display:flex;align-items:center;gap:16px;margin-bottom:28px}.footer-logo{max-height:38px;max-width:170px}.footer-brand strong{display:block;color:#fff;font-size:20px}.footer-brand span{font-size:12px;letter-spacing:.12em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h2{font-size:14px;color:#fff}.footer-grid a{display:block;padding:5px 0;color:#F8D6E4}.footer-grid a:hover{text-decoration:underline}.footer-note{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14)}.copyright{font-size:13px;color:#DDB0C4}.overlay{position:fixed;inset:0;background:rgba(74,22,48,.28);z-index:180;opacity:0;pointer-events:none;transition:opacity .2s}.overlay.is-open{opacity:1;pointer-events:auto}.menu-layer,.search-layer{position:fixed;inset:0;z-index:190;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .2s}.menu-layer{background:#FFF3F8;overflow:auto;padding:22px}.menu-layer.is-open,.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.layer-head{max-width:1180px;margin:0 auto 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}.layer-brand img{max-height:36px;max-width:180px}.close-button{min-height:44px;padding:0 15px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--deep);font-weight:800}.menu-groups{max-width:1180px;margin:0 auto;display:grid;gap:24px}.menu-groups section{background:#fff;border:1px solid var(--border);border-radius:22px;padding:24px}.menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.menu-grid a{padding:16px;border-radius:16px;background:var(--bg);border:1px solid var(--border);min-height:116px}.menu-grid a:hover{background:var(--soft)}.menu-grid strong{display:block;color:var(--ink);margin-bottom:6px}.menu-grid span{font-size:14px;color:var(--muted)}.search-layer{display:grid;place-items:center;padding:18px}.search-card{width:min(620px,100%);background:#fff;border:1px solid var(--border);border-radius:22px;padding:24px;box-shadow:0 24px 60px rgba(74,22,48,.18)}.search-title{display:flex;justify-content:space-between;gap:18px}.search-title h2{margin:6px 0 18px}.search-look input{width:100%;height:52px;border:1px solid var(--border);border-radius:16px;background:var(--bg);padding:0 16px;color:var(--text)}.search-hint{color:var(--muted);font-size:14px}.preset-links{display:flex;flex-wrap:wrap;gap:10px}.preset-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:999px;background:var(--soft);color:var(--deep);font-weight:700}.layer-open{overflow:hidden}.mobile-only,.mobile-bottom{display:none}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.legal-section{padding:22px 0;border-bottom:1px solid var(--border)}.legal-section:last-child{border-bottom:0}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tag{display:inline-flex;min-height:34px;align-items:center;padding:0 11px;border-radius:999px;background:var(--soft);color:var(--deep);font-size:13px;font-weight:700}.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.story-body{max-width:820px;margin:0 auto}.story-body p:first-of-type:first-letter{float:left;font-size:54px;line-height:.8;padding:8px 8px 0 0;color:var(--brand);font-weight:900}
@media(max-width:900px){.polaroid-grid,.content-grid{grid-template-columns:repeat(2,1fr)}.bookshelf,.number-grid,.status-grid,.card-grid{grid-template-columns:repeat(2,1fr)}.notebook,.app-feature{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.menu-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){:root{--top:56px}.desktop-rail{display:none}.topbar{left:0;grid-template-columns:1fr auto 1fr}.topbar-side{padding:0 8px}.topbar-left{text-align:left}.mobile-only{display:inline-flex}.icon-button{min-width:44px;min-height:44px;align-items:center;justify-content:center;border:0;background:transparent;color:var(--deep);font-weight:800}.brand-top{min-width:0}.brand-logo{max-width:128px;max-height:32px}.brand-word{font-size:16px}.app-link{padding:0 8px;font-size:14px}.site-main{margin-left:0;padding:calc(var(--top) + 20px) 16px 80px}.site-footer{margin-left:0;padding:38px 16px calc(78px + env(safe-area-inset-bottom))}.cover-card,.page-hero,.section{padding:22px;border-radius:18px}.section{margin:20px auto}.section-head{align-items:start;flex-direction:column;gap:8px}.polaroid-grid{grid-template-columns:1fr 1fr;gap:12px}.polaroid{padding:9px 9px 15px}.polaroid h3{font-size:16px}.polaroid p{font-size:14px}.bookshelf,.number-grid,.status-grid,.card-grid,.content-grid,.index-list,.split,.letter-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section{min-width:0}.menu-layer{padding:14px}.menu-groups section{padding:18px}.menu-grid{grid-template-columns:1fr 1fr}.menu-grid a{min-height:132px;padding:14px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);border-top:1px solid var(--border);z-index:150}.mobile-bottom a{min-height:50px;display:grid;place-items:center;font-size:13px;color:var(--muted)}.mobile-bottom a.is-active{color:var(--brand);font-weight:900}.media-placeholder{aspect-ratio:16/9}} 
@media(max-width:420px){.polaroid-grid,.menu-grid{grid-template-columns:1fr}.topbar .app-link{font-size:13px}.footer-grid{grid-template-columns:1fr}.note-item{grid-template-columns:44px 1fr}}