:root{--bg:#FFF7FA;--surface:#FFFFFF;--soft:#FFEAF2;--title:#4A1630;--text:#5C2A3E;--muted:#8A4A62;--quiet:#B07A90;--pink:#E85A8B;--bright:#FF7AA8;--deep:#C43B6E;--pale:#FFE1EC;--line:rgba(232,90,139,.16);--shadow:0 14px 34px rgba(196,59,110,.10);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--title);color:#fff;padding:10px 16px;border-radius:999px}.skip-link:focus{top:10px}.site-header{position:fixed;inset:0 0 auto 0;z-index:80}.candy-strip{height:22px;background:var(--deep);color:#fff;font-size:12px}.top-inner,.cover-inner,.sticker-inner,.footer-inner{max-width:var(--max);margin:auto;padding-left:20px;padding-right:20px}.top-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.plain-btn{border:0;background:transparent;color:#fff;cursor:pointer;padding:0 4px;height:22px}.cover-bar{height:64px;background:#fff;border-bottom:1px solid var(--line)}.cover-inner{height:64px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;display:flex;align-items:center;min-width:0}.brand-logo{height:36px;max-width:190px;object-fit:contain;object-position:left center}.brand-text{font-weight:800;color:var(--title);font-size:20px}.envelope-open,.app-link,.btn,.btn-secondary{min-height:44px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;font-weight:700}.envelope-open{border:1px solid var(--line);background:var(--soft);color:var(--deep);cursor:pointer}.app-link{justify-self:end;background:linear-gradient(135deg,#FF7AA8 0%,#E85A8B 55%,#C43B6E 100%);color:#fff}.sticker-track{height:44px;background:var(--soft);border-bottom:1px solid var(--line)}.sticker-inner{height:44px;display:flex;align-items:center;gap:8px}.sticker-inner a{padding:6px 12px;border-radius:10px;color:var(--muted);font-size:14px}.sticker-inner a.active{background:var(--deep);color:#fff}.site-main{max-width:var(--max);margin:0 auto;padding:154px 20px 64px}.page-hero{padding:34px 0 18px}.eyebrow{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:14px;font-weight:700}.page-hero h1,.hero-copy h1{color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.25;margin:14px 0 14px}.lead{max-width:780px;color:var(--muted);font-size:17px}.section{margin:28px 0 42px}.section 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.media-fallback{height:360px}.hero-copy{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}.kicker{margin:0;color:var(--deep);font-weight:800}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.btn{background:linear-gradient(135deg,#FF7AA8 0%,#E85A8B 55%,#C43B6E 100%);color:#fff}.btn-secondary{background:#fff;color:var(--deep);border:1px solid var(--line)}.grid-2,.grid-3,.grid-4,.grid-6{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}.card,.note-card,.status-card,.book-card,.step-card,.policy-card,.qa-card,.letter-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}.card p,.note-card p,.status-card p,.step-card p,.policy-card p,.qa-card p,.letter-card p{margin:8px 0 0}.card 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var(--pink);padding-left:18px;color:var(--muted)}.tag-list{display:flex;flex-wrap:wrap;gap:10px}.tag{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:14px}.index-list{display:grid;gap:12px}.index-list a,.index-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center}.index-list .idx{color:var(--pink);font-weight:900}.index-list .arrow{color:var(--quiet)}.prose{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.prose p{margin:0 0 16px}.prose p:last-child{margin-bottom:0}.prose ul{padding-left:20px}.prose li{margin:6px 0}.feature-split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:22px;align-items:center}.app-icon{width:64px;height:64px;border-radius:18px;overflow:hidden;background:var(--soft);border:1px solid 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rgba(255,255,255,.12)}.footer-logo-wrap{display:flex;align-items:center;gap:12px;color:#fff}.footer-logo{height:32px;max-width:170px;object-fit:contain}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;padding:28px 0}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 10px}.footer-grid a{display:block;padding:4px 0;color:#F8D6E4;font-size:14px}.footer-note,.copyright{font-size:13px;color:#E9BFD1}.page-mask{position:fixed;inset:0;background:rgba(74,22,48,.38);z-index:90;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.page-mask.open{visibility:visible;opacity:1;pointer-events:auto}.envelope-drawer{position:fixed;left:50%;bottom:0;z-index:100;width:min(920px,100%);max-height:70vh;transform:translate(-50%,105%);background:#fff;border-radius:24px 24px 0 0;box-shadow:0 -18px 45px rgba(74,22,48,.18);visibility:hidden;pointer-events:none;transition:.28s 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