:root{--bg:#FFF7FA;--white:#FFFFFF;--soft:#FFEAF2;--soft2:#FFE1EC;--title:#4A1630;--text:#5C2A3E;--muted:#8A4A62;--aux:#B07A90;--pink:#E85A8B;--bright:#FF7AA8;--deep:#C43B6E;--border:rgba(232,90,139,.16);--shadow:0 14px 34px rgba(196,59,110,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"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{cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.top-shell,.bar-shell,.tab-shell,.content-shell,.footer-shell{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:fixed;inset:0 0 auto 0;z-index:70}.sugar-strip{height:22px;background:var(--deep);color:#fff}.top-shell{height:22px;display:flex;align-items:center;justify-content:space-between;font-size:12px;letter-spacing:.04em}.text-button{border:0;background:transparent;color:#fff;min-height:22px;padding:0 4px}.cover-bar{height:64px;background:#fff;border-bottom:1px solid var(--border)}.bar-shell{height:64px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:12px}.brand-mark{justify-self:start;min-height:44px;display:flex;align-items:center;color:var(--title);font-size:20px}.brand-logo{height:36px;width:auto;max-width:190px;object-fit:contain}.envelope-open{justify-self:center;min-height:44px;padding:8px 18px;border:1px solid rgba(196,59,110,.28);border-radius:999px;background:#fff;color:var(--deep);font-weight:700}.app-link{justify-self:end;min-height:44px;display:flex;align-items:center;padding:8px 16px;border-radius:999px;background:linear-gradient(135deg,#FF7AA8 0%,#E85A8B 55%,#C43B6E 100%);color:#fff;font-weight:700;white-space:nowrap}.sticker-track{height:44px;background:var(--soft);border-bottom:1px solid var(--border)}.tab-shell{height:44px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}.tab-shell::-webkit-scrollbar{display:none}.sticker-track a{display:flex;align-items:center;min-height:32px;padding:4px 11px;border-radius:9px;color:var(--muted);white-space:nowrap}.sticker-track a.active,.sticker-track a:hover{background:var(--deep);color:#fff}
.page-main{padding-top:150px;min-height:60vh}.content-shell{padding:26px 0 72px}.page-head{padding:26px 0 20px;border-bottom:1px solid var(--border);margin-bottom:24px}.eyebrow{color:var(--deep);font-size:13px;letter-spacing:.12em}.page-head h1,.hero-copy h1{margin:5px 0 12px;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.3}.lead{max-width:920px;color:var(--muted);margin:0}.section-block{margin:28px 0}.section-title{margin:0 0 16px;color:var(--title);font-size:23px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card,.note-card,.list-card,.step-card,.status-card,.shelf-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow)}.card h2,.card h3,.note-card h2,.note-card h3,.list-card h2,.list-card h3,.step-card h2,.step-card h3,.shelf-card h2,.shelf-card h3{margin:0 0 8px;color:var(--title)}.card p,.note-card p,.list-card p,.step-card p,.shelf-card p{margin:.45em 0}.muted{color:var(--muted)}.text-link{color:var(--deep);border-bottom:1px solid rgba(196,59,110,.35)}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.btn{min-height:44px;display:inline-flex;align-items:center;padding:9px 17px;border-radius:999px;font-weight:700}.btn.primary{background:linear-gradient(135deg,#FF7AA8 0%,#E85A8B 55%,#C43B6E 100%);color:#fff}.btn.secondary{background:#fff;color:var(--deep);border:1px solid rgba(196,59,110,.3)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--deep);outline-offset:3px}.media-slot{min-height:190px;border-radius:20px;background:linear-gradient(135deg,#FFF,#FFEAF2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-media{max-height:300px;aspect-ratio:16/9}.media-slot img{width:100%;height:100%;max-height:240px;object-fit:contain;object-position:center}.hero-media img{max-height:300px}.app-media{max-height:420px;min-height:260px}.app-media img{max-height:420px}.slot-mark{color:var(--deep);font-size:19px;letter-spacing:.08em}.hero-copy{padding:22px 0 8px}.note-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:22px 0}.note-tile{background:#fff;border:1px solid var(--border);border-radius:18px;padding:14px}.note-tile .media-slot{min-height:180px;margin-bottom:10px}.note-tile h2{font-size:18px;margin:4px 0;color:var(--title)}.note-tile p{font-size:14px;color:var(--muted);margin:4px 0}.number-list{display:grid;gap:10px}.number-row{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}.number-row strong{font-size:28px;color:var(--deep)}.number-row h3{margin:0 0 5px;color:var(--title)}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.72fr);gap:22px;align-items:start}.vertical-list{display:grid;gap:12px}.vertical-list article{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px}.vertical-list h3{margin:0 0 6px;color:var(--title)}.timeline{border-left:2px solid var(--bright);margin-left:16px;padding-left:24px;display:grid;gap:16px}.timeline article{position:relative;background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px}.timeline article:before{content:"";position:absolute;left:-31px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--deep);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-block;padding:2px 9px;border-radius:999px;background:var(--soft);color:var(--deep);font-size:13px}.policy{display:grid;gap:16px}.policy article{background:#fff;border-left:4px solid var(--pink);border-radius:0 18px 18px 0;padding:18px 20px}.policy h2{margin:0 0 8px;color:var(--title)}.letter-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.letter-card .badge{display:inline-block;padding:3px 9px;border-radius:999px;background:var(--deep);color:#fff;font-size:12px}.letter-card h2{color:var(--title)}.shelf{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.shelf-card{border-top:8px solid var(--pink);min-height:250px;aspect-ratio:3/4;display:flex;flex-direction:column;justify-content:flex-end}.steps{display:grid;gap:12px}.steps article{display:grid;grid-template-columns:48px 1fr;gap:14px;background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px}.steps strong{width:42px;height:42px;border-radius:50%;background:var(--soft2);color:var(--deep);display:flex;align-items:center;justify-content:center}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:16px;padding:0 16px}.faq-list summary{cursor:pointer;color:var(--title);font-weight:700;padding:15px 0}.faq-list p{margin:0 0 16px;color:var(--text)}
.site-footer{background:var(--title);color:#F8D6E4}.footer-shell{padding:42px 0 90px}.footer-brand{display:flex;gap:16px;align-items:flex-start;padding-bottom:22px;border-bottom:1px solid rgba(248,214,228,.16)}.footer-logo{height:34px;width:auto;object-fit:contain}.footer-brand strong{display:block;color:#fff;font-size:22px}.footer-brand span{display:block;color:#E9A9C2;font-size:12px;letter-spacing:.12em}.footer-brand p{max-width:700px;margin:8px 0 0;color:#E9BDD0}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:24px 0}.footer-grid h2{font-size:15px;color:#fff}.footer-grid a{display:block;color:#E9BDD0;padding:3px 0}.footer-grid a:hover{color:#fff}.footer-note,.copyright{color:#E9BDD0;font-size:14px}.overlay{position:fixed;inset:0;background:rgba(74,22,48,.45);z-index:80;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.overlay.open{visibility:visible;pointer-events:auto;opacity:1}.envelope-panel{position:fixed;left:50%;bottom:0;width:min(920px,100%);max-height:70vh;z-index:90;background:#fff;border:1px solid var(--border);border-bottom:0;border-radius:24px 24px 0 0;box-shadow:0 -18px 50px rgba(74,22,48,.18);visibility:hidden;pointer-events:none;opacity:0;transform:translate(-50%,24px);transition:.22s;overflow-y:auto}.envelope-panel.open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.envelope-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#fff;z-index:2}.envelope-brand{display:flex;gap:12px;align-items:center;color:var(--title)}.panel-logo{height:32px;width:auto;object-fit:contain}.panel-close,.search-close{min-height:44px;padding:6px 14px;border-radius:999px;border:1px solid rgba(196,59,110,.3);background:#fff;color:var(--deep)}.envelope-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:18px 20px 26px}.envelope-groups h2{font-size:15px;color:var(--deep)}.envelope-groups a{display:block;padding:9px 0;border-bottom:1px solid var(--border)}.envelope-groups b{display:block;color:var(--title);font-size:14px}.envelope-groups span{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:3px}.search-layer{position:fixed;left:0;right:0;top:86px;z-index:92;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(900px,calc(100% - 32px));margin:auto;background:#fff;border:1px solid var(--border);border-radius:0 0 20px 20px;padding:20px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;color:var(--title);margin-bottom:14px}.search-box input{width:100%;height:48px;border-radius:999px;border:1px solid rgba(196,59,110,.25);background:var(--bg);color:var(--title);padding:0 16px}.search-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.search-links a{padding:8px 12px;border:1px solid var(--border);border-radius:999px;color:var(--deep)}.mobile-nav{display:none}
@media(max-width:980px){.note-grid{grid-template-columns:repeat(3,1fr)}.card-grid{grid-template-columns:1fr 1fr}.shelf{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}.envelope-groups{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.shelf-card{aspect-ratio:auto;min-height:220px}.sticker-track{display:none}.page-main{padding-top:102px}.top-shell,.bar-shell,.content-shell,.footer-shell{width:calc(100% - 32px)}.bar-shell{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-mark{font-size:17px;min-width:0}.brand-logo{max-width:145px;height:32px}.envelope-open,.app-link{padding:7px 10px}.note-grid,.card-grid,.shelf{grid-template-columns:1fr}.note-tile .media-slot{min-height:180px}.envelope-panel{left:0;width:100%;max-height:70vh;border-radius:22px 22px 0 0;transform:translateY(24px)}.envelope-panel.open{transform:none}.envelope-groups{grid-template-columns:1fr 1fr;gap:12px;padding:14px 16px 22px}.envelope-groups span{font-size:11px}.search-layer{top:22px;bottom:0;background:var(--bg);padding-top:64px}.search-card{width:calc(100% - 24px);border-radius:18px}.footer-grid{grid-template-columns:1fr 1fr}.footer-shell{padding-bottom:84px}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-nav a{min-height:50px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}.mobile-nav a.active{background:var(--pink);color:#fff}.number-row{grid-template-columns:48px 1fr}.number-row strong{font-size:24px}.steps article{grid-template-columns:42px 1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}