:root{--bg:#FFF7FA;--paper:#fff;--soft:#FFEAF2;--title:#4A1630;--text:#5C2A3E;--muted:#8A4A62;--faint:#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;--top:118px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.78;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:2000;background:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:8px}.site-header{position:fixed;left:0;right:0;top:0;z-index:1000}.sugar-core{height:18px;background:var(--deep);color:#fff;font-size:11px}.core-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.brand-mini{font-weight:700;letter-spacing:.02em}.text-btn{border:0;background:transparent;color:#fff;padding:0 4px;min-height:18px}.sugar-box{height:60px;background:#fff;border-bottom:1px solid var(--line)}.box-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-home{justify-self:start;display:flex;align-items:center;min-height:44px;font-size:21px;font-weight:800;color:var(--title)}.brand-logo{display:block;max-width:190px;height:36px;object-fit:contain;object-position:left center}.drawer-btn,.app-link,.btn,.ghost-btn{min-height:44px;border-radius:12px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.drawer-btn{border:1px solid var(--line);background:var(--soft);color:var(--title)}.app-link{justify-self:end;background:linear-gradient(135deg,var(--bright),var(--pink) 55%,var(--deep));color:#fff}.sugar-tabs{height:40px;background:var(--soft);border-bottom:1px solid var(--line)}.tabs-inner{display:flex;height:40px;align-items:center;gap:8px}.tabs-inner a{height:30px;padding:0 12px;display:inline-flex;align-items:center;border-radius:8px;font-size:14px;font-weight:700;color:var(--muted)}.tabs-inner a.active{background:var(--deep);color:#fff}.site-main{padding-top:calc(var(--top) + 26px);min-height:70vh}.hero,.page-hero{margin-bottom:28px}.hero-media{max-height:300px;border-radius:20px;overflow:hidden;background:var(--pale);display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}.hero-media img{width:100%;max-height:300px;object-fit:contain;object-position:center}.hero-fallback{min-height:240px;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;color:var(--title)}.eyebrow{color:var(--deep);font-weight:800;letter-spacing:.08em;margin:0 0 6px}.hero-copy{padding:24px 2px 4px}.hero-copy h1,.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.25;margin:0 0 12px;color:var(--title)}.hero-copy p,.page-hero p{max-width:850px;margin:0 0 18px}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{background:linear-gradient(135deg,var(--bright),var(--pink) 55%,var(--deep));color:#fff}.ghost-btn{background:#fff;color:var(--deep);border:1px solid var(--line)}.section{margin:34px auto}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:16px}.section-head h2{margin:0;color:var(--title);font-size:24px}.section-head p{margin:0;color:var(--muted);max-width:640px}.grid{display:grid;gap:16px}.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))}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.card img,.content-image img{width:100%;max-height:240px;object-fit:contain;object-position:center;background:var(--bg);border-radius:14px;margin-bottom:12px}.card h3{margin:0 0 8px;color:var(--title);font-size:19px}.card p{margin:0;color:var(--text)}.number{font-size:38px;line-height:1;color:var(--pink);font-weight:900;margin-bottom:10px}.list-strip{display:grid;gap:12px}.list-item{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}.list-item b{color:var(--deep);font-size:18px}.book-stack{display:grid;gap:14px}.book{background:#fff;border-left:8px solid var(--pink);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}.status-grid .card{min-height:150px}.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 18px 18px 70px;position:relative}.step:before{content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:17px;font-size:24px;color:var(--pink);font-weight:900}.letter{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.letter small{color:var(--deep);font-weight:700}.page-hero{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.page-hero .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center}.page-hero img{width:100%;max-height:260px;object-fit:contain;border-radius:14px;background:var(--bg)}.prose{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}.prose h2{color:var(--title);font-size:22px;margin:26px 0 8px}.prose h2:first-child{margin-top:0}.prose h3{color:var(--deep);margin:20px 0 6px}.prose p{margin:0 0 14px}.prose ul{padding-left:1.2em}.index-links{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}.index-links a{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--deep);font-weight:700}.note{background:var(--soft);border-radius:14px;padding:16px 18px;color:var(--title);margin:16px 0}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.faq-item h2,.faq-item h3{font-size:18px;margin:0 0 8px;color:var(--title)}.site-footer{background:var(--title);color:#F8D6E4;margin-top:54px;padding:38px 0 calc(32px + env(safe-area-inset-bottom))}.footer-top{display:grid;grid-template-columns:260px 1fr;gap:36px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.footer-logo{height:34px;max-width:190px;object-fit:contain;object-position:left center}.footer-brand strong{font-size:22px;color:#fff}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footer-groups h2{font-size:15px;color:#fff;margin:0 0 10px}.footer-groups a{display:block;margin:6px 0;font-size:14px}.footer-note{border-top:1px solid rgba(255,255,255,.14);margin-top:26px;padding-top:18px;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(74,22,48,.35);z-index:1090;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.sugar-drawer{position:fixed;left:0;right:0;top:78px;z-index:1100;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);max-height:52vh;overflow:auto;transform:translateY(-16px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.sugar-drawer.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-head{height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:30px;max-width:170px;object-fit:contain}.close-btn{min-height:44px;border:1px solid var(--line);background:#fff;color:var(--deep);border-radius:10px;padding:0 14px}.drawer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding-top:18px;padding-bottom:22px}.drawer-groups h2{font-size:16px;margin:0 0 8px;color:var(--title)}.drawer-groups a{display:block;padding:9px;border-radius:10px}.drawer-groups a:hover,.drawer-groups a:focus-visible{background:var(--soft)}.drawer-groups b,.drawer-groups span{display:block}.drawer-groups b{font-size:14px;color:var(--deep)}.drawer-groups span{font-size:12px;color:var(--muted);line-height:1.45}.search-layer{position:fixed;top:78px;left:0;right:0;z-index:1110;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.open{opacity:1;visibility:visible;pointer-events:auto}.search-card{width:min(760px,calc(100% - 32px));margin:16px auto;background:#fff;border-radius:18px;padding:20px;box-shadow:var(--shadow);border:1px solid var(--line)}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.search-card label{display:block;font-weight:700;color:var(--title);margin-bottom:8px}.search-card input{width:100%;height:48px;border:1px solid var(--line);border-radius:12px;padding:0 14px;color:var(--title);background:var(--bg)}.preset-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.preset-links a{background:var(--soft);border-radius:10px;padding:8px 11px;color:var(--deep);font-weight:700}.mobile-bottom{display:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(232,90,139,.34);outline-offset:2px}@media(max-width:800px){:root{--top:78px}.sugar-tabs{display:none}.box-inner{grid-template-columns:1fr auto auto;gap:8px}.brand-logo{max-width:130px;height:32px}.brand-home{font-size:18px}.drawer-btn,.app-link{padding:0 11px;font-size:13px}.site-main{padding-top:calc(var(--top) + 22px);padding-bottom:64px}.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}.page-hero .hero-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.sugar-drawer{top:78px;max-height:68vh}.drawer-groups{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:1080;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;min-height:50px;color:var(--muted)}.mobile-bottom a.active{background:var(--pink);color:#fff}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.section-head{align-items:start;flex-direction:column}.list-item{grid-template-columns:48px 1fr}.hero-fallback{min-height:190px}.search-layer{top:78px}}@media(max-width:520px){.wrap{width:min(var(--max),calc(100% - 32px))}.brand-mini{font-size:10px}.app-link{padding:0 9px}.drawer-btn{padding:0 10px}.drawer-groups{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.card,.prose,.page-hero{padding:18px}.hero-copy{padding-top:18px}}

/* 图片尺寸稳定修正：避免原图过大撑破版面，同时保持完整显示 */
img{max-width:100%;height:auto}
.hero-media img{display:block;width:auto;max-width:100%;height:auto;max-height:300px;margin:0 auto;object-fit:contain;object-position:center}
.card img{display:block;width:auto;max-width:100%;height:auto;max-height:200px;margin:0 auto 12px;object-fit:contain;object-position:center}
.content-image{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;min-width:0}
.content-image img{display:block;width:auto;max-width:100%;height:auto;max-height:240px;margin:0 auto;object-fit:contain;object-position:center}
.section>img,.wide-img{display:block;width:auto;max-width:min(100%,760px);height:auto;max-height:240px;margin:18px auto 0;object-fit:contain;object-position:center;border-radius:14px;background:var(--bg)}
.page-hero .hero-grid>div:last-child{min-width:0;text-align:center}
.page-hero img{display:block;width:auto;max-width:100%;height:auto;max-height:260px;margin:0 auto;object-fit:contain;object-position:center}
img[src="糖心-app.webp"]{width:auto;max-width:min(100%,280px);height:auto;max-height:420px;object-fit:contain}
img[src="糖心-icon.webp"]{width:72px;max-width:72px;height:72px;max-height:72px;object-fit:contain;flex:0 0 auto}
.brand-logo,.footer-logo,.drawer-brand img{width:auto;height:auto;max-height:36px;object-fit:contain}
.drawer-brand img{max-height:30px}

@media(max-width:800px){
  .card img{max-height:180px}
  .content-image img{max-height:210px}
  .section>img,.wide-img{max-width:min(100%,620px);max-height:210px}
  .page-hero img{max-height:220px}
  img[src="糖心-app.webp"]{max-width:min(100%,230px);max-height:360px}
  img[src="糖心-icon.webp"]{width:64px;max-width:64px;height:64px;max-height:64px}
}
@media(max-width:520px){
  .hero-media img{max-height:260px}
  .card img{max-height:165px}
  .content-image img{max-height:190px}
  .section>img,.wide-img{max-height:190px}
  .page-hero img{max-height:200px}
  img[src="糖心-app.webp"]{max-width:min(100%,210px);max-height:330px}
  img[src="糖心-icon.webp"]{width:56px;max-width:56px;height:56px;max-height:56px}
}