:root{
  --bg:#FFF7FA;
  --surface:#FFFFFF;
  --surface-soft:#FFEAF2;
  --title:#4A1630;
  --text:#5C2A3E;
  --muted:#8A4A62;
  --subtle:#B07A90;
  --pink:#E85A8B;
  --pink-bright:#FF7AA8;
  --pink-deep:#C43B6E;
  --pink-soft:#FFE1EC;
  --border:rgba(232,90,139,.16);
  --shadow:0 14px 34px rgba(196,59,110,.10);
  --rail:88px;
  --top:56px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
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}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(232,90,139,.34);outline-offset:3px}
.skip-link{position:fixed;left:12px;top:10px;z-index:9999;transform:translateY(-150%);padding:9px 14px;background:var(--title);color:#fff;border-radius:999px}
.skip-link:focus{transform:none}
.topbar{position:fixed;top:0;left:0;right:0;height:var(--top);z-index:850;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;background:rgba(255,247,250,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:0 18px}
.topbar-left{justify-self:start}.topbar-right{justify-self:end}.brand-center{display:flex;align-items:center;justify-content:center;min-width:140px;height:44px;color:var(--title);font-weight:800;letter-spacing:.05em}.brand-center img{max-height:34px;width:auto}.app-link,.icon-button{min-height:44px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px}.app-link{background:linear-gradient(135deg,var(--pink-bright) 0%,var(--pink) 55%,var(--pink-deep) 100%);color:#fff;font-weight:700}.icon-button{border:1px solid var(--border);background:#fff;color:var(--pink-deep);font-weight:700}
.side-rail{position:fixed;z-index:900;left:0;top:0;bottom:0;width:var(--rail);padding:10px 8px;display:flex;flex-direction:column;align-items:center;gap:8px;background:var(--pink-soft);border-right:1px solid var(--border)}
.rail-brand{width:56px;height:56px;border-radius:18px;display:flex;align-items:center;justify-content:center;margin-bottom:3px;color:var(--title);font-weight:800;background:#fff;border:1px solid var(--border);overflow:hidden}.rail-brand img{width:38px;height:38px;object-fit:contain}.rail-item{width:72px;min-height:52px;padding:7px 4px;border-radius:18px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.25;color:var(--muted);transition:.2s ease}.rail-item:hover{background:rgba(255,255,255,.72);color:var(--pink-deep)}.rail-item.is-current,.rail-brand.is-current{background:var(--pink-deep);color:#fff}.rail-button{border:0;background:transparent}
.site-main{min-height:70vh;margin-left:calc(var(--rail) + 24px);padding-top:calc(var(--top) + 28px);padding-right:24px;padding-bottom:70px}
.page-shell{width:min(var(--max),100%);margin:0 auto}.page-hero{padding:32px 0 26px}.eyebrow{margin:0 0 8px;color:var(--pink-deep);font-weight:800;letter-spacing:.08em;font-size:13px}.page-hero h1,.cover-copy h1{margin:0;color:var(--title);font-size:clamp(28px,4vw,34px);line-height:1.25;letter-spacing:-.02em}.page-lead,.cover-copy p{max-width:760px;margin:14px 0 0;font-size:16px;color:var(--text)}
.cover{padding:26px 0 16px}.cover-card{padding:34px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(180deg,#fff 0%,#fff7fa 100%);box-shadow:var(--shadow)}.cover-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 26px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;font-weight:800}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--pink-bright) 0%,var(--pink) 55%,var(--pink-deep) 100%)}.btn-secondary{color:var(--pink-deep);background:#fff;border:1px solid var(--border)}.cover-media{border-radius:20px;overflow:hidden;background:var(--pink-soft);max-height:360px}.cover-media img{width:100%;height:auto;max-height:360px;object-fit:cover}.media-placeholder{width:100%;aspect-ratio:16/7;background:linear-gradient(135deg,#FFEAF2,#FFF7FA);border:1px dashed rgba(196,59,110,.2);border-radius:20px}
.section{padding:30px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head h2,.content-card h2,.article-card h2,.status-card h2,.letter-card h2,.faq-item h2{margin:0;color:var(--title);font-size:22px;line-height:1.35}.section-head p{margin:0;color:var(--muted);max-width:520px}.section-more{color:var(--pink-deep);font-weight:800;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}.grid{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))}.content-card,.article-card,.status-card,.letter-card,.index-card,.faq-item,.term-card{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:0 8px 26px rgba(196,59,110,.06)}.content-card,.article-card,.status-card,.letter-card,.faq-item,.term-card{padding:22px}.content-card p,.article-card p,.status-card p,.letter-card p,.term-card p{margin:10px 0 0}.tag{display:inline-flex;min-height:30px;align-items:center;padding:0 10px;border-radius:999px;background:var(--pink-soft);color:var(--pink-deep);font-weight:800;font-size:12px}.meta-line{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:14px}.number{font-size:40px;line-height:1;color:var(--pink);font-weight:900;letter-spacing:-.04em}.soft-panel{padding:24px;border-radius:20px;background:var(--surface-soft);color:var(--title)}.soft-panel p{color:var(--text)}
.polaroid-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}.polaroid{background:#fff;border:1px solid var(--border);border-radius:18px;padding:10px 10px 18px;box-shadow:var(--shadow);transform:rotate(var(--r,0deg))}.polaroid:nth-child(1){--r:-1.2deg}.polaroid:nth-child(2){--r:.9deg}.polaroid:nth-child(3){--r:-.6deg}.polaroid:nth-child(4){--r:1.3deg}.polaroid:nth-child(5){--r:-.9deg}.polaroid:nth-child(6){--r:.6deg}.polaroid .media-placeholder,.polaroid img{border-radius:14px;aspect-ratio:4/3;object-fit:cover}.polaroid:nth-child(2) .media-placeholder,.polaroid:nth-child(2) img{aspect-ratio:1/1}.polaroid:nth-child(3) .media-placeholder,.polaroid:nth-child(3) img{aspect-ratio:16/11}.polaroid:nth-child(5) .media-placeholder,.polaroid:nth-child(5) img{aspect-ratio:5/4}.polaroid h3{margin:14px 8px 4px;color:var(--title);font-size:18px}.polaroid p{margin:0 8px;color:var(--text);font-size:15px}
.notebook{background:#fff;border:1px solid var(--border);border-radius:22px;padding:26px;box-shadow:var(--shadow)}.notebook-row{display:grid;grid-template-columns:80px 1fr;gap:18px;padding:16px 0;border-bottom:1px dashed var(--border)}.notebook-row:last-child{border-bottom:0}.notebook-row b{color:var(--pink-deep);font-size:18px}.notebook-row h3{margin:0;color:var(--title);font-size:18px}.notebook-row p{margin:4px 0 0}.notebook-intro{margin-bottom:20px}.notebook-intro img,.notebook-intro .media-placeholder{border-radius:18px;max-height:340px;object-fit:cover}
.bookshelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.book{min-height:320px;padding:24px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#FFEAF2 100%);border:1px solid var(--border);display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow)}.book span{font-size:12px;color:var(--pink-deep);font-weight:800}.book h3{margin:8px 0;color:var(--title);font-size:20px}.book p{margin:0}.book:nth-child(2),.book:nth-child(4){transform:translateY(12px)}
.number-list{display:grid;gap:14px}.number-row{display:grid;grid-template-columns:86px 1fr;gap:18px;padding:18px 20px;background:#fff;border:1px solid var(--border);border-radius:18px}.number-row .number{align-self:center}.number-row h3{margin:0;color:var(--title)}.number-row p{margin:6px 0 0}
.status-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.status-card strong{display:inline-block;color:var(--pink-deep);font-size:13px;margin-bottom:8px}.status-card h3{margin:0;color:var(--title);font-size:19px}.status-card p{margin:8px 0 0}
.letter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.letter-card{position:relative;padding-top:44px}.letter-card:before{content:"编辑观点";position:absolute;top:16px;left:20px;font-size:12px;font-weight:800;color:var(--pink-deep);background:var(--pink-soft);padding:4px 9px;border-radius:999px}.letter-card blockquote{margin:0;color:var(--text)}
.split-media{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:24px;align-items:center}.split-media img,.split-media .media-placeholder{border-radius:20px;max-height:420px;object-fit:cover}.app-icon-row{display:flex;align-items:center;gap:14px;margin-bottom:14px}.app-icon-row img{width:64px;height:64px;object-fit:contain;border-radius:16px}.app-icon-fallback{width:64px;height:64px;border-radius:16px;background:var(--pink-soft)}
.content-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.index-card{padding:20px}.index-card h2,.index-card h3{margin:0;color:var(--title);font-size:19px}.index-card p{margin:8px 0 0}.index-card a{display:inline-flex;min-height:44px;align-items:center;margin-top:12px;color:var(--pink-deep);font-weight:800}
.step-list{counter-reset:step;display:grid;gap:16px}.step{counter-increment:step;display:grid;grid-template-columns:56px 1fr;gap:18px;background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px}.step:before{content:counter(step,decimal-leading-zero);width:52px;height:52px;border-radius:16px;background:var(--pink-soft);color:var(--pink-deep);font-weight:900;display:flex;align-items:center;justify-content:center}.step h2,.step h3{margin:0;color:var(--title)}.step p{margin:7px 0 0}
.longform{max-width:860px}.longform .article-card{margin-bottom:18px}.longform p{font-size:16px}.quote-note{padding:20px 22px;border-left:4px solid var(--pink);background:var(--surface-soft);border-radius:0 16px 16px 0;color:var(--title)}
.term-list{display:grid;gap:16px}.term-card h2{font-size:20px}.term-card ul{margin:10px 0 0;padding-left:20px}.term-card li{margin:6px 0}.notice{padding:18px 20px;border:1px solid var(--border);border-radius:18px;background:var(--surface-soft);color:var(--title)}
.faq-list{display:grid;gap:14px}.faq-item h2{font-size:18px}.faq-item p{margin:10px 0 0}
.inline-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.inline-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--pink-deep);font-weight:800}
.site-footer{margin-left:var(--rail);background:var(--title);color:#F8D6E4;padding:48px 24px 34px}.footer-inner{width:min(var(--max),100%);margin:0 auto}.footer-brand{display:flex;align-items:center;gap:16px;margin-bottom:30px}.footer-brand img{max-width:170px;max-height:40px;object-fit:contain}.footer-brand strong{display:block;color:#fff;font-size:20px}.footer-brand span{display:block;font-size:12px;letter-spacing:.12em}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:28px 0;border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}.footer-groups h2{font-size:15px;color:#fff;margin:0 0 12px}.footer-groups a{display:flex;align-items:center;min-height:44px;padding:4px 0;color:#F8D6E4;font-size:14px}.footer-groups a:hover{color:#fff}.footer-note,.copyright{font-size:13px;color:#EFBACC}.footer-note{margin:24px 0 6px}.copyright{margin:0}
.overlay-backdrop{position:fixed;inset:0;z-index:1000;background:rgba(74,22,48,.28);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay-backdrop.is-open{opacity:1;visibility:visible;pointer-events:auto}.menu-overlay,.search-overlay{position:fixed;inset:0;z-index:1050;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.menu-overlay{background:var(--bg);overflow:auto}.menu-overlay.is-open,.search-overlay.is-open{visibility:visible;pointer-events:auto;opacity:1}.overlay-open{overflow:hidden}.overlay-head{position:sticky;top:0;z-index:2;height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:rgba(255,247,250,.96);border-bottom:1px solid var(--border)}.overlay-logo img{max-height:34px;max-width:180px}.overlay-logo span{font-weight:900;color:var(--title)}.overlay-close,.search-close{min-height:44px;border:1px solid var(--border);background:#fff;color:var(--pink-deep);border-radius:999px;padding:0 16px;font-weight:800}.menu-grid-wrap{width:min(1180px,calc(100% - 36px));margin:24px auto 70px;display:grid;grid-template-columns:1fr;gap:22px}.menu-group{background:#fff;border:1px solid var(--border);border-radius:20px;padding:18px}.menu-group h2{margin:0 0 12px;color:var(--title);font-size:18px}.menu-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.menu-grid a{min-height:88px;padding:14px;border-radius:16px;background:var(--bg);border:1px solid transparent}.menu-grid a:hover{border-color:var(--border);background:var(--surface-soft)}.menu-grid strong{display:block;color:var(--title)}.menu-grid span{display:block;margin-top:4px;color:var(--muted);font-size:13px;line-height:1.5}
.search-overlay{display:flex;align-items:center;justify-content:center;padding:18px}.search-card{position:relative;width:min(560px,100%);padding:32px;background:#fff;border-radius:22px;box-shadow:0 30px 70px rgba(74,22,48,.18)}.search-close{position:absolute;right:18px;top:18px}.search-card h2{margin:0 0 18px;color:var(--title);font-size:26px}.search-look{height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border:1px solid var(--border);border-radius:999px;color:var(--subtle);background:var(--bg)}.search-look b{color:var(--pink-deep)}.search-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}.search-links a{min-height:44px;display:flex;align-items:center;padding:0 14px;border-radius:14px;background:var(--surface-soft);color:var(--title);font-weight:700}.search-help{margin:16px 0 0;color:var(--muted);font-size:13px}
.mobile-nav{display:none}
.mobile-only{display:none}
@media (max-width:980px){
  .side-rail{display:none}.mobile-only{display:inline-flex}.site-main{margin-left:0;padding-left:18px;padding-right:18px}.site-footer{margin-left:0}.topbar{padding:0 12px}.topbar-left,.topbar-right{min-width:82px}.brand-center{min-width:0}.grid-4,.bookshelf,.status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.polaroid-grid,.content-index,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.menu-grid-wrap{grid-template-columns:1fr}.menu-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.split-media{grid-template-columns:1fr}
}
@media (max-width:680px){
  body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.topbar{grid-template-columns:88px minmax(0,1fr) 88px}.topbar-left,.topbar-right{min-width:0}.icon-button,.app-link{padding:0 12px;font-size:13px}.brand-center span{font-size:16px}.brand-center img{max-width:140px}.site-main{padding-top:calc(var(--top) + 18px);padding-left:16px;padding-right:16px;padding-bottom:42px}.page-hero{padding:24px 0 18px}.cover-card{padding:24px 18px}.cover-actions{flex-direction:column}.btn{width:100%}.grid-2,.grid-3,.grid-4,.polaroid-grid,.bookshelf,.status-grid,.content-index,.letter-grid{grid-template-columns:1fr}.book:nth-child(2),.book:nth-child(4){transform:none}.number-row{grid-template-columns:64px 1fr}.notebook-row{grid-template-columns:58px 1fr}.menu-grid-wrap{grid-template-columns:1fr;gap:12px;width:calc(100% - 24px)}.menu-group{grid-column:auto;padding:14px}.menu-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.menu-grid a{min-height:112px;padding:12px}.menu-grid span{font-size:12px}.search-card{padding:58px 18px 24px}.search-links{grid-template-columns:1fr 1fr}.footer-groups{grid-template-columns:1fr 1fr;gap:20px}.site-footer{padding:38px 16px 28px}.section-head{align-items:flex-start;flex-direction:column}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:820;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);backdrop-filter:blur(10px)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-width:0;color:var(--muted);font-size:12px;font-weight:800}.mobile-nav a.is-current{color:var(--pink)}.overlay-backdrop.is-open,.menu-overlay.is-open,.search-overlay.is-open{z-index:1200}.overlay-head{padding:0 14px}.footer-brand{align-items:flex-start;flex-direction:column}.footer-brand img{max-width:150px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}