:root{--paper:#F4F1F8;--deep:#E4DEEC;--content:#FBF8FF;--soft:#EEE8F4;--ink:#161418;--text:#2A242C;--muted:#5A5460;--subtle:#7A7480;--blue:#4A8AB8;--pink:#C46A8A;--green:#6A9A48;--gold:#C4A04A;--violet:#6A4A9A;--border:rgba(22,20,24,.12);--focus:rgba(106,74,154,.45);--shadow:0 12px 28px rgba(22,20,24,.08);--radius:10px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(960px,calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:120;background:var(--ink);color:var(--content);padding:8px 12px}.skip-link:focus{top:8px}.jiu-edge{position:fixed;inset:0 0 auto;height:20px;background:var(--ink);color:var(--gold);z-index:90;font-size:12px}.edge-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-trigger{border:0;background:transparent;color:var(--gold);padding:0 4px}.color-head{position:fixed;left:0;right:0;top:20px;height:54px;background:var(--content);border-bottom:1px solid rgba(106,74,154,.35);z-index:89}.head-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-link{display:inline-flex;align-items:center;min-height:44px;max-width:52%}.brand-media img,.footer-logo img,.drawer-logo img{display:block;height:24px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-media:has(img)+.brand-fallback{display:none}.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.screen-trigger,.btn{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:10px;font-size:14px;white-space:nowrap}.app-link{border:1px solid var(--violet);background:var(--content);color:var(--ink)}.screen-trigger{border:1px solid var(--border);background:var(--soft);color:var(--ink)}.fan-nav{position:fixed;left:0;right:0;top:74px;height:44px;background:rgba(251,248,255,.96);border-bottom:1px solid var(--border);z-index:88}.fan-row{height:44px;display:flex;align-items:center;justify-content:center;gap:42px}.fan-item{height:44px;min-width:72px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:13px;color:var(--muted)}.fan-shape{width:28px;height:10px;border:1px solid var(--blue);border-radius:18px 18px 2px 2px;background:transparent}.fan-item.is-current .fan-shape{background:var(--violet);border-color:var(--violet)}.fan-item.is-current{color:var(--ink);font-weight:700}.site-main{padding-top:150px;padding-bottom:72px;min-height:70vh}h1,h2,h3{color:var(--ink);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:16px}h2{font-size:20px;line-height:1.4;margin-bottom:12px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}p{margin:0 0 14px}.eyebrow{font-size:13px;color:var(--violet);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.lead{font-size:16px;color:var(--muted)}.section{margin:0 0 28px}.panel{background:var(--content);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.btn-primary{background:linear-gradient(135deg,var(--blue) 0%,var(--pink) 50%,var(--violet) 100%);color:var(--content);border:0}.btn-secondary{background:var(--content);color:var(--ink);border:1px solid var(--violet)}.btn:hover,.app-link:hover,.screen-trigger:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(196,160,74,.55);outline-offset:3px}.fan-index{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.fan-index a{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--border);border-radius:9px;background:var(--content);font-size:13px}.fan-index span{width:22px;height:9px;border-radius:15px 15px 2px 2px;border:1px solid var(--blue)}.home-intro{padding:4px 0 8px}.home-intro .lead{max-width:760px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.fan-cut{position:relative;min-height:230px;padding:28px 230px 28px 28px;background:var(--content);border:1px solid var(--border);border-radius:12px;overflow:hidden}.fan-cut:after{content:"";position:absolute;right:-80px;top:-110px;width:310px;height:310px;border-radius:50%;border:1px solid rgba(74,138,184,.35);background:linear-gradient(145deg,rgba(74,138,184,.10),rgba(196,106,138,.07))}.fan-image-slot{position:absolute;right:18px;top:22px;width:188px;height:176px;z-index:1;background:var(--content);border:1px dashed rgba(106,74,154,.28);border-radius:100% 100% 16px 16px;display:flex;align-items:center;justify-content:center;overflow:hidden}.fan-image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.triple-narrow{display:grid;grid-template-columns:1.05fr .95fr .95fr;gap:12px}.narrow-card{background:var(--content);border:1px solid var(--border);border-radius:9px;padding:18px;min-height:210px}.narrow-card.featured{border-top:4px solid var(--pink)}.card-image-slot{height:150px;background:var(--soft);border-radius:8px;margin-bottom:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.card-image-slot img,.fold-image img,.catalog-head img,.period-image img,.status-image img,.wrap-image img,.single-image img,.banner-slot img,.brand-image img{width:100%;height:100%;object-fit:contain;object-position:center}.fold-pages{display:grid;grid-template-columns:1fr 1fr;gap:16px}.fold-page{position:relative;background:var(--content);border:1px solid var(--border);border-radius:12px;padding:22px 22px 22px 34px;min-height:250px}.fold-page:before{content:"";position:absolute;left:15px;top:18px;bottom:18px;width:3px;border-radius:3px;background:linear-gradient(var(--blue),var(--pink),var(--violet))}.fold-image{height:150px;background:var(--soft);border-radius:9px;margin:0 0 14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.catalog-head{height:160px;background:var(--content);border:1px dashed var(--focus);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;overflow:hidden}.catalog-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.catalog-card{background:var(--content);border:1px solid var(--border);border-radius:12px;padding:22px}.period-wrap{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:stretch}.period-image{background:var(--content);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:260px}.period-steps{display:grid;gap:10px}.period-step{background:var(--content);border-left:5px solid var(--blue);border-radius:8px;padding:16px 18px}.period-step:nth-child(2){border-left-color:var(--pink)}.period-step:nth-child(3){border-left-color:var(--green)}.status-wrap{display:grid;grid-template-columns:1fr 220px;gap:18px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:90px 1fr;gap:14px;align-items:start;background:var(--content);border:1px solid var(--border);border-radius:10px;padding:16px}.status-label{font-weight:800;color:var(--violet)}.status-image{background:var(--content);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.wrap-app{background:var(--content);border:1px solid var(--border);border-radius:12px;padding:24px;display:flow-root}.wrap-media{float:right;width:220px;margin:0 0 12px 24px}.wrap-image{height:270px;background:var(--soft);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.app-icon-slot{width:48px;height:48px;margin:10px auto 0;display:flex;align-items:center;justify-content:center}.app-icon-slot img{width:48px;height:48px;object-fit:contain}.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.method-card,.topic-item,.rule-block,.check-item,.status-note{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:20px}.faq-mini{display:grid;gap:10px}.faq-mini details,.faq-page details{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.faq-mini summary,.faq-page summary{font-weight:800;color:var(--ink);cursor:pointer}.brand-block{background:linear-gradient(145deg,rgba(74,138,184,.09),rgba(196,106,138,.08),rgba(106,74,154,.09));border:1px solid var(--border);border-radius:12px;padding:24px}.brand-image{height:180px;background:var(--content);border-radius:10px;margin-top:16px;display:flex;align-items:center;justify-content:center;overflow:hidden}.page-head{margin-bottom:24px}.page-head .lead{max-width:760px}.single-column{max-width:760px;margin:0 auto}.single-image{height:220px;background:var(--content);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:18px}.three-column-page{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.three-column-page article{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:18px}.three-column-page article:first-child{grid-row:span 2}.three-column-page .card-image-slot{height:190px}.cut-layout{position:relative;padding:26px 240px 26px 26px;background:var(--content);border:1px solid var(--border);border-radius:12px;min-height:300px;overflow:hidden}.cut-layout .single-image{position:absolute;right:18px;top:26px;width:200px;height:220px;margin:0;border-radius:55% 55% 10px 10px}.folded-layout{display:grid;grid-template-columns:1fr 1fr;gap:16px}.folded-sheet{background:var(--content);border:1px solid var(--border);border-radius:12px;padding:24px;position:relative}.folded-sheet:after{content:"";position:absolute;top:0;right:0;width:70px;height:70px;background:linear-gradient(225deg,var(--paper) 50%,rgba(106,74,154,.15) 51%);border-top-right-radius:12px}.timeline{display:grid;gap:14px}.timeline article{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:20px;background:var(--content);border:1px solid var(--border);border-radius:10px}.timeline .phase{font-weight:800;color:var(--violet)}.checklist{display:grid;gap:12px}.check-item{display:grid;grid-template-columns:36px 1fr;gap:14px}.check-num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--violet);color:var(--content);font-weight:800}.topic-list{display:grid;gap:12px}.topic-item{display:grid;grid-template-columns:150px 1fr;gap:18px}.topic-item strong{color:var(--violet)}.centered-cards{max-width:760px;margin:0 auto;display:grid;gap:14px}.centered-cards article{background:var(--content);border:1px solid var(--border);border-radius:12px;padding:24px;text-align:center}.terms{display:grid;gap:14px}.rule-block h2{border-bottom:1px solid var(--border);padding-bottom:10px}.banner-slot{height:200px;background:var(--content);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:20px}.contact-options{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.notice{padding:16px 18px;border-left:4px solid var(--gold);background:rgba(196,160,74,.10);border-radius:8px}.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--gold);padding:34px 0 72px;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.8fr repeat(4,1fr);gap:24px}.footer-brand{max-width:320px}.footer-brand strong{font-size:16px;margin-right:8px}.footer-brand>span{color:var(--gold)}.footer-brand p{color:#d8d1df;margin-top:10px}.footer-logo{height:28px;margin-bottom:10px}.site-footer h2{font-size:13px;color:var(--gold);margin-bottom:10px}.site-footer a{display:block;color:var(--paper);padding:3px 0}.footer-bottom{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(196,160,74,.3);margin-top:24px;padding-top:16px}.overlay{position:fixed;inset:0;background:rgba(22,20,24,.45);z-index:96;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.jiu-drawer{position:fixed;left:0;top:74px;width:min(28vw,380px);height:min(78vh,650px);background:var(--content);z-index:99;transform:translateX(-104%);visibility:hidden;pointer-events:none;box-shadow:var(--shadow);border:1px solid var(--border);border-left:0;border-radius:0 12px 12px 0;transition:.22s}.drawer-open .jiu-drawer{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:58px;padding:8px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-head button,.search-head button{min-height:44px;border:1px solid var(--border);background:var(--soft);border-radius:8px;color:var(--ink)}.drawer-scroll{height:calc(100% - 58px);overflow:auto;padding:14px}.drawer-scroll section{margin-bottom:14px}.drawer-scroll h2{font-size:13px;color:var(--violet);margin-bottom:6px}.drawer-scroll a{display:grid;grid-template-columns:62px 1fr;gap:8px;padding:8px;border-radius:7px}.drawer-scroll a:hover{background:var(--soft)}.drawer-scroll a span{font-size:12px;color:var(--muted)}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:98;visibility:hidden;pointer-events:none;transform:translateY(-18px);opacity:0;transition:.2s}.search-open .search-panel{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(720px,calc(100% - 32px));margin:0 auto;background:var(--content);border:1px solid var(--border);border-radius:0 0 12px 12px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.search-card label{display:block;margin-bottom:8px;color:var(--muted)}.search-card input{width:100%;height:44px;border:1px solid var(--focus);border-radius:9px;background:#fff;padding:0 12px;color:var(--ink)}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-presets a{padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--soft)}.search-empty{margin-top:12px;color:var(--muted)}.mobile-bottom{display:none}.lock-scroll{overflow:hidden}
@media (max-width:760px){.shell{width:calc(100% - 32px)}.fan-nav{display:none}.site-main{padding-top:104px;padding-bottom:92px}.head-actions{gap:5px}.app-link,.screen-trigger{padding:0 11px}.brand-link{max-width:45%}.triple-narrow,.fold-pages,.catalog-grid,.method-grid,.contact-options,.folded-layout{grid-template-columns:1fr}.fan-cut,.cut-layout{padding:22px;min-height:auto}.fan-cut:after{display:none}.fan-image-slot,.cut-layout .single-image{position:relative;right:auto;top:auto;width:100%;height:190px;margin:18px 0 0;border-radius:12px}.period-wrap,.status-wrap{grid-template-columns:1fr}.period-image,.status-image{min-height:190px;height:190px}.wrap-media{float:none;width:100%;margin:0 0 16px}.wrap-image{height:280px}.three-column-page{grid-template-columns:1fr}.three-column-page article:first-child{grid-row:auto}.timeline article{grid-template-columns:1fr;gap:8px}.topic-item{grid-template-columns:1fr;gap:8px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.jiu-drawer{top:74px;width:88%;height:min(78vh,620px)}.search-panel{top:0;bottom:0;background:var(--ink);display:flex;align-items:flex-start;padding-top:74px}.search-card{width:calc(100% - 32px);border-radius:12px;background:var(--ink);color:var(--gold);border-color:rgba(196,160,74,.35)}.search-card strong,.search-card label{color:var(--gold)}.search-card input{background:#211e24;color:var(--paper);border-color:rgba(196,160,74,.5)}.search-presets a{background:#211e24;border-color:rgba(196,160,74,.25);color:var(--paper)}.search-head button{background:#211e24;color:var(--gold);border-color:rgba(196,160,74,.3)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:91;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--content);border-top:1px solid var(--border)}.mobile-bottom a{display:grid;place-items:center;font-size:13px}.mobile-bottom a.is-current{background:var(--violet);color:var(--content)}.site-footer{padding-bottom:96px}.overlay{z-index:95}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.panel{padding:20px}.catalog-card,.fold-page,.rule-block{padding:18px}.drawer-scroll a{grid-template-columns:58px 1fr}}

.install-flow{counter-reset:install;display:grid;gap:14px}.install-step{counter-increment:install;background:var(--content);border:1px solid var(--border);border-radius:10px;padding:22px 22px 22px 70px;position:relative}.install-step:before{content:counter(install);position:absolute;left:20px;top:22px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:var(--content);font-weight:800}.install-step:nth-child(2):before{background:var(--pink)}.install-step:nth-child(3):before{background:var(--green)}.install-step:nth-child(4):before{background:var(--violet)}
.grade-flow{display:grid;gap:0;border-left:3px solid var(--violet);margin-left:14px}.grade-item{position:relative;padding:6px 18px 24px 28px}.grade-item:before{content:"";position:absolute;left:-9px;top:12px;width:15px;height:15px;border-radius:50%;background:var(--content);border:3px solid var(--violet)}.grade-item h2{margin-bottom:8px}.grade-item+ .grade-item{padding-top:20px;border-top:1px dashed var(--border)}
.privacy-flow{display:grid;grid-template-columns:1fr 1fr;gap:18px}.privacy-item{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:22px}.privacy-item:nth-child(2),.privacy-item:nth-child(4){transform:translateY(20px)}
.help-flow{display:grid;gap:12px}.help-item{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:20px 22px;border-left:6px solid var(--blue)}.help-item:nth-child(2){border-left-color:var(--pink)}.help-item:nth-child(3){border-left-color:var(--green)}.help-item:nth-child(4){border-left-color:var(--gold)}.help-item:nth-child(5){border-left-color:var(--violet)}.help-item:nth-child(6){border-left-color:var(--blue)}
.about-flow{display:grid;gap:18px}.about-item{background:var(--content);border:1px solid var(--border);border-radius:12px;padding:24px;max-width:82%}.about-item:nth-child(even){margin-left:auto;border-right:5px solid var(--pink)}.about-item:nth-child(odd){margin-right:auto;border-left:5px solid var(--blue)}
@media (max-width:760px){.privacy-flow{grid-template-columns:1fr}.privacy-item:nth-child(2),.privacy-item:nth-child(4){transform:none}.about-item{max-width:100%;margin-left:0!important;margin-right:0!important}.install-step{padding-left:64px}}

/* 91次元 2026 内容聚合版细节 */
.home-intro{border-top:3px solid rgba(106,74,154,.38);background:linear-gradient(180deg,#FBF8FF 0%,#F4F1F8 100%)}
.page-head{position:relative;overflow:hidden}.page-head:after{content:"";position:absolute;right:12px;bottom:12px;width:56px;height:18px;border:1px solid rgba(74,138,184,.28);border-radius:50% 50% 2px 2px;transform:rotate(-4deg);pointer-events:none}
.topic-row:nth-child(odd),.help-item:nth-child(even),.privacy-item:nth-child(odd){background:#FBF8FF}
.topic-row:nth-child(even),.help-item:nth-child(odd),.privacy-item:nth-child(even){background:#EEE8F4}
.catalog-card,.panel,.narrow-card,.folded-sheet,.method-card{box-shadow:0 8px 22px rgba(22,20,24,.06)}