:root{--bg:#FFF7FA;--surface:#FFFFFF;--soft:#FFEAF2;--ink:#4A1630;--body:#5C2A3E;--muted:#8A4A62;--hint:#B07A90;--pink:#E85A8B;--pink2:#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(--body);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75;overflow-x:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;background:var(--deep);color:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}.site-header{position:fixed;left:0;right:0;top:0;z-index:900}.sugar-core-line{height:18px;background:var(--deep);color:#fff;font-size:11px}.core-inner,.box-inner,.tag-inner,.drawer-shell,.footer-inner,.content-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.core-inner{height:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}.text-control{height:18px;padding:0 4px;border:0;background:transparent;color:#fff;cursor:pointer}.sugar-box-bar{height:60px;background:#fff;border-bottom:1px solid var(--line)}.box-inner{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;min-width:44px;min-height:44px;display:flex;align-items:center}.brand-logo,.drawer-logo,.footer-logo{object-fit:contain;object-position:center}.brand-logo{height:34px;width:auto;max-width:180px}.brand-text{font-weight:800;color:var(--ink);font-size:19px}.drawer-button,.app-link,.close-button,.button-primary,.button-secondary{min-height:44px;border-radius:12px;padding:10px 16px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:.18s ease}.drawer-button{border:1px solid var(--line);background:var(--soft);color:var(--ink);cursor:pointer}.app-link{justify-self:end;background:linear-gradient(135deg,var(--pink2) 0%,var(--pink) 55%,var(--deep) 100%);color:#fff}.sugar-tag-strip{height:40px;background:var(--pale);border-bottom:1px solid var(--line)}.tag-inner{height:100%;display:flex;align-items:center;gap:6px;overflow:hidden}.tag-link{font-size:14px;padding:5px 10px;border-radius:9px;color:var(--ink);white-space:nowrap}.tag-link.is-active{background:var(--deep);color:#fff}.site-main{padding-top:138px;min-height:65vh}.content-wrap{padding:36px 0 64px}.page-hero{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:28px;margin-bottom:26px}.eyebrow{display:inline-block;font-size:13px;font-weight:800;color:var(--deep);background:var(--pale);border-radius:9px;padding:4px 9px;margin-bottom:8px}.page-hero h1,.cover-copy h1{font-size:clamp(28px,3vw,32px);line-height:1.25;color:var(--ink);margin:0 0 14px}.lead{font-size:17px;color:var(--body);max-width:860px;margin:0}.section-block{margin:26px 0;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 8px 24px rgba(196,59,110,.06)}.section-block h2{color:var(--ink);font-size:23px;line-height:1.3;margin:0 0 12px}.section-block h3{color:var(--ink);font-size:18px;margin:0 0 8px}.section-block p{margin:8px 0}.section-kicker{color:var(--deep);font-weight:800;font-size:13px;letter-spacing:.04em}.image-slot{background:linear-gradient(180deg,#fff,var(--soft));border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:180px}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.image-slot.cover{max-height:300px;min-height:220px}.image-slot.cover img{max-height:300px}.image-slot.card-image{height:210px}.image-slot.card-image img{height:210px}.image-slot.page-image{min-height:220px;max-height:360px;margin:14px 0}.image-slot.page-image img{max-height:340px}.image-slot.app-portrait{min-height:260px;max-height:420px}.image-slot.app-portrait img{max-height:420px;width:auto}.cover-stack{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:30px 0 0}.cover-copy{padding:22px 2px 8px}.cover-copy .mini-title{font-size:14px;font-weight:800;color:var(--deep);margin:0 0 6px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.button-primary{background:linear-gradient(135deg,var(--pink2) 0%,var(--pink) 55%,var(--deep) 100%);color:#fff}.button-secondary{background:#fff;border:1px solid var(--line);color:var(--deep)}.button-primary:hover,.button-primary:focus-visible,.app-link:hover,.app-link:focus-visible{filter:brightness(.96);transform:translateY(-1px)}.button-secondary:hover,.drawer-button:hover,.tag-link:hover{background:var(--pale)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(232,90,139,.35);outline-offset:2px}.sugar-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.sugar-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.sugar-card .card-body{padding:18px}.sugar-card h2,.sugar-card h3{margin:0 0 8px;color:var(--ink)}.sugar-card p{margin:0}.number-list,.step-list,.plain-list,.faq-list{list-style:none;padding:0;margin:0}.number-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.number-list li,.status-card,.mini-card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:16px}.number{font-size:30px;line-height:1;color:var(--deep);font-weight:900;display:block;margin-bottom:8px}.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start}.four-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.five-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.vertical-books{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.book-card{min-height:220px;padding:22px 18px;background:linear-gradient(180deg,#fff,var(--pale));border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;justify-content:space-between}.editor-letter{border-left:4px solid var(--pink);padding:16px 18px;background:var(--soft);border-radius:0 14px 14px 0;margin:12px 0}.editor-letter strong{color:var(--deep)}.article-prose{max-width:880px}.article-prose p{margin:0 0 14px}.index-row{display:grid;grid-template-columns:84px 1fr;gap:16px;border-bottom:1px solid var(--line);padding:15px 0}.index-row:last-child{border-bottom:0}.index-code{font-weight:900;color:var(--deep)}.note-box{background:var(--pale);border:1px solid var(--line);border-radius:14px;padding:16px;margin:14px 0}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:12px}.breadcrumbs a{color:var(--deep)}.definition-list{display:grid;gap:14px}.definition-list div{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff}.definition-list dt{font-weight:800;color:var(--ink);margin-bottom:6px}.definition-list dd{margin:0}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.faq-item h2{font-size:19px;margin:0 0 8px;color:var(--ink)}.contact-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.contact-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.site-footer{background:var(--ink);color:#F8D6E4;margin-top:34px}.footer-inner{padding:42px 0 32px}.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}.footer-logo{height:32px;width:auto;max-width:170px}.footer-brand strong{display:block;color:#fff}.footer-brand span{display:block;font-size:12px;opacity:.85}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-groups h2{font-size:15px;color:#fff;margin:0 0 8px}.footer-groups a{display:block;padding:4px 0;color:#F8D6E4}.footer-note{border-top:1px solid rgba(255,255,255,.12);margin:24px 0 0;padding-top:20px}.copyright{font-size:13px;opacity:.8}.page-overlay{position:fixed;inset:0;background:rgba(74,22,48,.28);z-index:920;opacity:0;pointer-events:none;transition:opacity .18s ease}.page-overlay.is-visible{opacity:1;pointer-events:auto}.sugar-drawer,.search-layer{position:fixed;z-index:940;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.18s ease}.sugar-drawer{top:78px}.search-layer{top:78px}.sugar-drawer.is-open,.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.drawer-shell{background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 18px 18px;box-shadow:var(--shadow);max-height:52vh;overflow:auto}.drawer-head,.search-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}.drawer-logo{height:30px;width:auto}.close-button{border:1px solid var(--line);background:#fff;color:var(--deep);cursor:pointer}.drawer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:16px}.drawer-group h2{font-size:14px;color:var(--deep);margin:0 0 8px}.drawer-group a{display:block;border-top:1px solid var(--line);padding:8px 0}.drawer-group a:first-of-type{border-top:0}.drawer-group strong{display:block;color:var(--ink);font-size:15px}.drawer-group span{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:2px}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:0 0 18px 18px;box-shadow:var(--shadow);padding-bottom:18px}.search-card label{display:block;padding:14px 18px 6px;color:var(--ink);font-weight:700}.search-card input{display:block;width:calc(100% - 36px);margin:0 18px 14px;border:1px solid var(--line);border-radius:12px;min-height:46px;padding:10px 12px;color:var(--ink);background:var(--bg)}.preset-links{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px}.preset-links a{background:var(--pale);color:var(--deep);padding:9px 12px;border-radius:10px}.layer-open{overflow:hidden}.mobile-bottom-nav{display:none}.phone-card{display:grid;grid-template-columns:minmax(220px,330px) 1fr;gap:28px;align-items:center}.phone-copy h2{color:var(--ink)}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--line)}.timeline-item{position:relative;margin:0 0 18px;padding:0 0 0 10px}.timeline-item:before{content:"";position:absolute;left:-25px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--pink)}.term-section{padding:20px 0;border-bottom:1px solid var(--line)}.term-section:last-child{border-bottom:0}.term-section h2{font-size:21px;color:var(--ink);margin:0 0 10px}.badge{display:inline-flex;min-height:32px;align-items:center;padding:4px 9px;border-radius:9px;background:var(--pale);color:var(--deep);font-weight:800;font-size:13px}.muted{color:var(--muted)}
@media (max-width:900px){.sugar-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.number-list,.four-grid,.vertical-books{grid-template-columns:repeat(2,minmax(0,1fr))}.five-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.drawer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col,.phone-card{grid-template-columns:1fr}.contact-options{grid-template-columns:1fr}}
@media (max-width:640px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.core-inner,.box-inner,.drawer-shell,.footer-inner,.content-wrap,.cover-stack{width:calc(100% - 32px)}.sugar-tag-strip{display:none}.site-main{padding-top:78px}.box-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:6px}.brand-logo{max-width:126px;height:30px}.brand-text{font-size:17px}.drawer-button,.app-link{padding:8px 10px;min-width:44px;white-space:nowrap}.app-link{justify-self:end;font-size:13px}.sugar-drawer,.search-layer{top:78px}.drawer-shell{width:100%;max-height:68vh;border-radius:0 0 16px 16px}.drawer-groups{grid-template-columns:1fr 1fr;gap:10px;padding:12px}.drawer-group span{font-size:11px}.search-card{width:calc(100% - 20px)}.page-hero{padding:20px}.content-wrap{padding-top:24px}.cover-stack{padding-top:22px}.image-slot.cover{min-height:180px}.sugar-card-grid{grid-template-columns:1fr}.number-list,.four-grid,.five-grid,.vertical-books{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:880;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom-nav a{min-width:0;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--ink)}.mobile-bottom-nav a.is-active{background:var(--pink);color:#fff}.index-row{grid-template-columns:64px 1fr}.site-footer{margin-bottom:0}.section-block{padding:20px}.footer-inner{padding-bottom:28px}}
@media (max-width:420px){.core-inner{font-size:10px}.brand-logo{max-width:100px}.drawer-button{font-size:12px;padding:8px}.app-link{font-size:12px;padding:8px}.drawer-groups{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr;gap:14px}.page-hero h1,.cover-copy h1{font-size:28px}}
/* 各栏目独立阅读形态 */
.journal-stack{display:grid;gap:14px}.journal-entry{position:relative;padding-left:68px}.journal-entry h2{position:relative}.journal-entry h2:before{content:"";position:absolute;left:-42px;top:6px;width:14px;height:14px;border-radius:4px;background:var(--pink)}
.special-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.special-grid .section-block{margin:0;height:100%}.gaze-card{border-top:4px solid var(--pink)}.crumb-card{background:linear-gradient(180deg,#fff,var(--soft))}.tint-card{min-height:240px}.tray-book{min-height:260px;background:linear-gradient(180deg,#fff 0%,var(--pale) 100%)}.week-card h2:before{content:"编辑关注 · ";color:var(--deep);font-size:13px}.sheet-status h2:before{content:"状态 · ";color:var(--deep);font-size:13px}.help-card{border-left:4px solid var(--pink)}
.lane-index,.amble-index{counter-reset:lane;display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 22px}.lane-row,.amble-row{counter-increment:lane;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;margin:0;padding-left:74px;position:relative}.lane-row:last-child,.amble-row:last-child{border-bottom:0}.lane-row:before,.amble-row:before{content:counter(lane,decimal-leading-zero);position:absolute;left:12px;top:24px;font-size:28px;font-weight:900;color:var(--deep)}
.longread-stack{max-width:880px;margin:0 auto}.yarn-chapter{box-shadow:none;border-left:4px solid var(--line)}
.timeline-stack{position:relative;padding-left:26px}.timeline-stack:before{content:"";position:absolute;left:8px;top:18px;bottom:18px;width:2px;background:var(--line)}.light-step,.cut-step,.install-step{position:relative}.light-step:before,.cut-step:before,.install-step:before{content:"";position:absolute;left:-25px;top:30px;width:12px;height:12px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 5px var(--pale)}
.letter-stack{max-width:900px;margin:0 auto}.post-letter{border-left:5px solid var(--pink);border-radius:0 16px 16px 0;background:var(--soft)}
.app-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.app-feature-grid .section-block{margin:0}.app-feature:first-child{grid-column:1/-1}.app-feature{background:#fff}
.terms-stack{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 24px}.terms-stack .term-section{border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;margin:0;padding:24px 0}.terms-stack .term-section:last-child{border-bottom:0}.brand-stack{display:grid;gap:16px}.brand-section{margin:0}.brand-section:nth-child(even){background:var(--soft)}
@media(max-width:760px){.special-grid,.app-feature-grid{grid-template-columns:1fr}.app-feature:first-child{grid-column:auto}.journal-entry{padding-left:54px}.lane-row,.amble-row{padding-left:64px}.terms-stack{padding:0 18px}}