fix: unify product detail back button with top mask style

dist/common.wxss

@@ -1 +1 @@
-.scroll-top-mask{left:0;pointer-events:none;position:fixed;right:0;top:0;-webkit-transform:translateZ(0);transform:translateZ(0);z-index:40}.scroll-top-blur,.scroll-top-gradient{height:100%;left:0;pointer-events:none;position:absolute;right:0;top:0}.scroll-top-gradient{height:80%}.scroll-top-title{bottom:38%;color:var(--text-primary);font-size:36rpx;font-weight:600;left:0;letter-spacing:0;pointer-events:none;position:absolute;right:0;text-align:center}.scroll-top-back{-ms-flex-align:center;-ms-flex-pack:center;-webkit-align-items:center;align-items:center;backdrop-filter:blur(32rpx) saturate(1.2);-webkit-backdrop-filter:blur(32rpx) saturate(1.2);background:hsla(0,0%,100%,.55);border:1rpx solid hsla(0,0%,100%,.55);border-radius:50%;-webkit-box-shadow:0 12rpx 40rpx rgba(0,0,0,.18),0 4rpx 12rpx rgba(0,0,0,.08);box-shadow:0 12rpx 40rpx rgba(0,0,0,.18),0 4rpx 12rpx rgba(0,0,0,.08);display:-webkit-flex;display:-ms-flexbox;display:flex;height:80rpx;-webkit-justify-content:center;justify-content:center;left:30rpx;pointer-events:auto;position:absolute;width:80rpx}.theme-dark .scroll-top-back{background:rgba(25,25,25,.55);border-color:hsla(0,0%,100%,.14);-webkit-box-shadow:0 12rpx 40rpx rgba(0,0,0,.5),0 4rpx 12rpx rgba(0,0,0,.3);box-shadow:0 12rpx 40rpx rgba(0,0,0,.5),0 4rpx 12rpx rgba(0,0,0,.3)}.scroll-top-back-arrow{color:var(--text-primary);font-size:44rpx;font-weight:600;line-height:1}.scroll-top-blur-mid{backdrop-filter:blur(12rpx);-webkit-backdrop-filter:blur(12rpx);-webkit-mask-image:-webkit-gradient(linear,left top,left bottom,from(#000),color-stop(42%,rgba(0,0,0,.8)),color-stop(76%,rgba(0,0,0,0)));-webkit-mask-image:-webkit-linear-gradient(top,#000,rgba(0,0,0,.8) 42%,rgba(0,0,0,0) 76%);mask-image:-webkit-gradient(linear,left top,left bottom,from(#000),color-stop(42%,rgba(0,0,0,.8)),color-stop(76%,rgba(0,0,0,0)));mask-image:linear-gradient(180deg,#000 0,rgba(0,0,0,.8) 42%,rgba(0,0,0,0) 76%)}.scroll-top-blur-soft{backdrop-filter:blur(6rpx);-webkit-backdrop-filter:blur(6rpx);-webkit-mask-image:-webkit-gradient(linear,left top,left bottom,from(#000),color-stop(52%,rgba(0,0,0,.65)),to(rgba(0,0,0,0)));-webkit-mask-image:-webkit-linear-gradient(top,#000,rgba(0,0,0,.65) 52%,rgba(0,0,0,0));mask-image:-webkit-gradient(linear,left top,left bottom,from(#000),color-stop(52%,rgba(0,0,0,.65)),to(rgba(0,0,0,0)));mask-image:linear-gradient(180deg,#000 0,rgba(0,0,0,.65) 52%,rgba(0,0,0,0))}.theme-light .scroll-top-gradient{background:-webkit-gradient(linear,left top,left bottom,from(hsla(38,44%,96%,.94)),color-stop(50%,hsla(38,44%,96%,.9)),color-stop(78%,hsla(38,44%,96%,.58)),to(hsla(38,44%,96%,0)));background:-webkit-linear-gradient(top,hsla(38,44%,96%,.94),hsla(38,44%,96%,.9) 50%,hsla(38,44%,96%,.58) 78%,hsla(38,44%,96%,0));background:linear-gradient(180deg,hsla(38,44%,96%,.94) 0,hsla(38,44%,96%,.9) 50%,hsla(38,44%,96%,.58) 78%,hsla(38,44%,96%,0))}.theme-dark .scroll-top-gradient{background:-webkit-gradient(linear,left top,left bottom,from(rgba(25,25,25,.94)),color-stop(50%,rgba(25,25,25,.9)),color-stop(78%,rgba(25,25,25,.58)),to(rgba(25,25,25,0)));background:-webkit-linear-gradient(top,rgba(25,25,25,.94),rgba(25,25,25,.9) 50%,rgba(25,25,25,.58) 78%,rgba(25,25,25,0));background:linear-gradient(180deg,rgba(25,25,25,.94) 0,rgba(25,25,25,.9) 50%,rgba(25,25,25,.58) 78%,rgba(25,25,25,0))}.bottom-action-bar{-ms-flex-align:center;-webkit-align-items:center;align-items:center;backdrop-filter:blur(32rpx) saturate(1.2);-webkit-backdrop-filter:blur(32rpx) saturate(1.2);background:hsla(0,0%,100%,.55);border:1rpx solid hsla(0,0%,100%,.55);border-radius:64rpx;bottom:36rpx;-webkit-box-shadow:0 12rpx 40rpx rgba(46,34,34,.18),0 4rpx 12rpx rgba(46,34,34,.08);box-shadow:0 12rpx 40rpx rgba(46,34,34,.18),0 4rpx 12rpx rgba(46,34,34,.08);-webkit-box-sizing:border-box;box-sizing:border-box;display:-webkit-flex;display:-ms-flexbox;display:flex;gap:24rpx;left:36rpx;padding:24rpx 24rpx calc(24rpx + env(safe-area-inset-bottom));position:fixed;right:36rpx;z-index:500}.theme-dark .bottom-action-bar{background:rgba(25,25,25,.55);border-color:hsla(0,0%,100%,.14);-webkit-box-shadow:0 12rpx 40rpx rgba(0,0,0,.5),0 4rpx 12rpx rgba(0,0,0,.3);box-shadow:0 12rpx 40rpx rgba(0,0,0,.5),0 4rpx 12rpx rgba(0,0,0,.3)}
+.scroll-top-mask{left:0;pointer-events:none;position:fixed;right:0;top:0;-webkit-transform:translateZ(0);transform:translateZ(0);z-index:40}.scroll-top-blur,.scroll-top-gradient{height:100%;left:0;pointer-events:none;position:absolute;right:0;top:0}.scroll-top-gradient{height:80%}.scroll-top-title{color:var(--text-primary);font-size:36rpx;font-weight:600;left:0;letter-spacing:0;pointer-events:none;position:absolute;right:0;text-align:center}.scroll-top-back{-ms-flex-align:center;-ms-flex-pack:center;-webkit-align-items:center;align-items:center;backdrop-filter:blur(32rpx) saturate(1.2);-webkit-backdrop-filter:blur(32rpx) saturate(1.2);background:hsla(0,0%,100%,.55);border:1rpx solid hsla(0,0%,100%,.55);border-radius:50%;-webkit-box-shadow:0 12rpx 40rpx rgba(0,0,0,.18),0 4rpx 12rpx rgba(0,0,0,.08);box-shadow:0 12rpx 40rpx rgba(0,0,0,.18),0 4rpx 12rpx rgba(0,0,0,.08);display:-webkit-flex;display:-ms-flexbox;display:flex;height:80rpx;-webkit-justify-content:center;justify-content:center;left:30rpx;pointer-events:auto;position:absolute;width:80rpx}.theme-dark .scroll-top-back{background:rgba(25,25,25,.55);border-color:hsla(0,0%,100%,.14);-webkit-box-shadow:0 12rpx 40rpx rgba(0,0,0,.5),0 4rpx 12rpx rgba(0,0,0,.3);box-shadow:0 12rpx 40rpx rgba(0,0,0,.5),0 4rpx 12rpx rgba(0,0,0,.3)}.scroll-top-back-arrow{color:var(--text-primary);font-size:44rpx;font-weight:600;line-height:1}.scroll-top-blur-mid{backdrop-filter:blur(12rpx);-webkit-backdrop-filter:blur(12rpx);-webkit-mask-image:-webkit-gradient(linear,left top,left bottom,from(#000),color-stop(42%,rgba(0,0,0,.8)),color-stop(76%,rgba(0,0,0,0)));-webkit-mask-image:-webkit-linear-gradient(top,#000,rgba(0,0,0,.8) 42%,rgba(0,0,0,0) 76%);mask-image:-webkit-gradient(linear,left top,left bottom,from(#000),color-stop(42%,rgba(0,0,0,.8)),color-stop(76%,rgba(0,0,0,0)));mask-image:linear-gradient(180deg,#000 0,rgba(0,0,0,.8) 42%,rgba(0,0,0,0) 76%)}.scroll-top-blur-soft{backdrop-filter:blur(6rpx);-webkit-backdrop-filter:blur(6rpx);-webkit-mask-image:-webkit-gradient(linear,left top,left bottom,from(#000),color-stop(52%,rgba(0,0,0,.65)),to(rgba(0,0,0,0)));-webkit-mask-image:-webkit-linear-gradient(top,#000,rgba(0,0,0,.65) 52%,rgba(0,0,0,0));mask-image:-webkit-gradient(linear,left top,left bottom,from(#000),color-stop(52%,rgba(0,0,0,.65)),to(rgba(0,0,0,0)));mask-image:linear-gradient(180deg,#000 0,rgba(0,0,0,.65) 52%,rgba(0,0,0,0))}.theme-light .scroll-top-gradient{background:-webkit-gradient(linear,left top,left bottom,from(hsla(38,44%,96%,.94)),color-stop(50%,hsla(38,44%,96%,.9)),color-stop(78%,hsla(38,44%,96%,.58)),to(hsla(38,44%,96%,0)));background:-webkit-linear-gradient(top,hsla(38,44%,96%,.94),hsla(38,44%,96%,.9) 50%,hsla(38,44%,96%,.58) 78%,hsla(38,44%,96%,0));background:linear-gradient(180deg,hsla(38,44%,96%,.94) 0,hsla(38,44%,96%,.9) 50%,hsla(38,44%,96%,.58) 78%,hsla(38,44%,96%,0))}.theme-dark .scroll-top-gradient{background:-webkit-gradient(linear,left top,left bottom,from(rgba(25,25,25,.94)),color-stop(50%,rgba(25,25,25,.9)),color-stop(78%,rgba(25,25,25,.58)),to(rgba(25,25,25,0)));background:-webkit-linear-gradient(top,rgba(25,25,25,.94),rgba(25,25,25,.9) 50%,rgba(25,25,25,.58) 78%,rgba(25,25,25,0));background:linear-gradient(180deg,rgba(25,25,25,.94) 0,rgba(25,25,25,.9) 50%,rgba(25,25,25,.58) 78%,rgba(25,25,25,0))}.bottom-action-bar{-ms-flex-align:center;-webkit-align-items:center;align-items:center;backdrop-filter:blur(32rpx) saturate(1.2);-webkit-backdrop-filter:blur(32rpx) saturate(1.2);background:hsla(0,0%,100%,.55);border:1rpx solid hsla(0,0%,100%,.55);border-radius:64rpx;bottom:36rpx;-webkit-box-shadow:0 12rpx 40rpx rgba(46,34,34,.18),0 4rpx 12rpx rgba(46,34,34,.08);box-shadow:0 12rpx 40rpx rgba(46,34,34,.18),0 4rpx 12rpx rgba(46,34,34,.08);-webkit-box-sizing:border-box;box-sizing:border-box;display:-webkit-flex;display:-ms-flexbox;display:flex;gap:24rpx;left:36rpx;padding:24rpx 24rpx calc(24rpx + env(safe-area-inset-bottom));position:fixed;right:36rpx;z-index:500}.theme-dark .bottom-action-bar{background:rgba(25,25,25,.55);border-color:hsla(0,0%,100%,.14);-webkit-box-shadow:0 12rpx 40rpx rgba(0,0,0,.5),0 4rpx 12rpx rgba(0,0,0,.3);box-shadow:0 12rpx 40rpx rgba(0,0,0,.5),0 4rpx 12rpx rgba(0,0,0,.3)}

dist/pages/service/index.wxss

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-.service-page{-webkit-box-sizing:border-box;box-sizing:border-box;min-height:100vh;padding:0 32rpx calc(24rpx + env(safe-area-inset-bottom))}.service-page .page-header.service-header{-ms-flex-align:center;-webkit-align-items:center;align-items:center;display:-webkit-flex;display:-ms-flexbox;display:flex;gap:16rpx;margin:0;padding-bottom:32rpx;padding-left:0;padding-right:0}.service-header .back-btn{-ms-flex-align:center;-ms-flex-pack:center;-webkit-align-items:center;align-items:center;background:var(--bg-card);border:1rpx solid var(--border-strong);border-radius:50%;-webkit-box-shadow:var(--shadow-card);box-shadow:var(--shadow-card);-webkit-box-sizing:border-box;box-sizing:border-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex:0 0 auto;-ms-flex:0 0 auto;flex:0 0 auto;height:88rpx;-webkit-justify-content:center;justify-content:center;width:88rpx}.service-header .back-btn:active{-webkit-transform:scale(.96);-ms-transform:scale(.96);transform:scale(.96)}.service-header .back-arrow{color:var(--text-primary);font-size:36rpx;line-height:1}.service-header .page-title{color:var(--text-primary);-webkit-flex:1;-ms-flex:1;flex:1;font-size:44rpx;font-weight:700;letter-spacing:0;line-height:1.2;min-width:0;overflow:hidden;text-align:center;text-overflow:ellipsis;white-space:nowrap}.service-header .header-spacer{-webkit-flex:0 0 auto;-ms-flex:0 0 auto;flex:0 0 auto;width:88rpx}.service-hero{-ms-flex-align:center;-webkit-align-items:center;align-items:center;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;padding:56rpx 40rpx;text-align:center}.service-hero-icon{height:88rpx;margin-bottom:24rpx;width:88rpx}.service-title{color:var(--text-primary);display:block;font-size:36rpx;font-weight:700;letter-spacing:0;margin-bottom:12rpx}.service-desc{color:var(--text-secondary);display:block;font-size:24rpx;line-height:1.5;margin-bottom:32rpx}.service-btn{-ms-flex-align:center;-ms-flex-pack:center;-webkit-align-items:center;align-items:center;-webkit-box-sizing:border-box;box-sizing:border-box;display:-webkit-flex;display:-ms-flexbox;display:flex;font-size:28rpx;font-weight:600;height:80rpx;-webkit-justify-content:center;justify-content:center;min-width:280rpx;padding:0 48rpx}.service-page .section-title{color:var(--text-primary);display:block;font-size:32rpx;font-weight:700;letter-spacing:0;margin-bottom:24rpx}.contact-list.surface-card{overflow:hidden;padding:0 32rpx}.contact-item{-ms-flex-align:center;-webkit-align-items:center;align-items:center;border-bottom:1rpx solid var(--border);display:-webkit-flex;display:-ms-flexbox;display:flex;min-height:112rpx;padding:24rpx 0}.contact-item:last-child{border-bottom:none}.contact-item-link{-webkit-transition:background .16s ease;transition:background .16s ease}.contact-item-link:active{background:var(--bg-muted)}.contact-icon-img{-ms-flex-negative:0;-webkit-flex-shrink:0;flex-shrink:0;height:48rpx;margin-right:24rpx;width:48rpx}.contact-info{-webkit-flex:1;-ms-flex:1;flex:1;min-width:0}.contact-label{color:var(--text-secondary);display:block;font-size:24rpx;line-height:1.4;margin-bottom:4rpx}.contact-value{color:var(--text-primary);display:block;font-size:28rpx;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.contact-arrow{-ms-flex-negative:0;color:var(--text-muted);-webkit-flex-shrink:0;flex-shrink:0;font-size:32rpx;line-height:1;margin-left:16rpx}.faq-card{display:block;margin-bottom:24rpx;padding:32rpx}.faq-q{color:var(--text-primary);display:block;font-size:30rpx;font-weight:700;letter-spacing:0;line-height:1.45;margin-bottom:12rpx}.faq-a{color:var(--text-secondary);display:block;font-size:26rpx;line-height:1.7}.enterprise-service{padding:32rpx}.enterprise-service .flex-center{-ms-flex-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;margin-bottom:12rpx}.enterprise-icon{-ms-flex-negative:0;-webkit-flex-shrink:0;flex-shrink:0;height:40rpx;margin-right:12rpx;width:40rpx}.enterprise-title{color:var(--text-primary);display:block;font-size:30rpx;font-weight:700;letter-spacing:0}.enterprise-desc{color:var(--text-secondary);display:block;font-size:24rpx;line-height:1.6;margin-bottom:24rpx}.enterprise-btn{-ms-flex-align:center;-ms-flex-pack:center;-webkit-align-items:center;align-items:center;display:-webkit-flex;display:-ms-flexbox;display:flex;font-size:28rpx;font-weight:600;height:80rpx;-webkit-justify-content:center;justify-content:center}
+.service-page{-webkit-box-sizing:border-box;box-sizing:border-box;min-height:100vh;padding:0 32rpx calc(24rpx + env(safe-area-inset-bottom))}.service-page .page-header.service-header{-ms-flex-align:center;-webkit-align-items:center;align-items:center;display:-webkit-flex;display:-ms-flexbox;display:flex;gap:16rpx;margin:0;padding-bottom:32rpx;padding-left:0;padding-right:0}.service-header .back-btn{-ms-flex-align:center;-ms-flex-pack:center;-webkit-align-items:center;align-items:center;background:var(--bg-card);border:1rpx solid var(--border-strong);border-radius:50%;-webkit-box-shadow:var(--shadow-card);box-shadow:var(--shadow-card);-webkit-box-sizing:border-box;box-sizing:border-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex:0 0 auto;-ms-flex:0 0 auto;flex:0 0 auto;height:88rpx;-webkit-justify-content:center;justify-content:center;width:88rpx}.service-header .back-btn:active{-webkit-transform:scale(.96);-ms-transform:scale(.96);transform:scale(.96)}.service-header .back-arrow{color:var(--text-primary);font-size:36rpx;line-height:1}.service-header .page-title{color:var(--text-primary);-webkit-flex:1;-ms-flex:1;flex:1;font-size:34rpx;font-weight:700;letter-spacing:0;line-height:1.2;min-width:0;overflow:hidden;text-align:center;text-overflow:ellipsis;white-space:nowrap}.service-header .header-spacer{-webkit-flex:0 0 auto;-ms-flex:0 0 auto;flex:0 0 auto;width:88rpx}.service-hero{-ms-flex-align:center;-webkit-align-items:center;align-items:center;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;padding:56rpx 40rpx;text-align:center}.service-hero-icon{height:88rpx;margin-bottom:24rpx;width:88rpx}.service-title{color:var(--text-primary);display:block;font-size:36rpx;font-weight:700;letter-spacing:0;margin-bottom:12rpx}.service-desc{color:var(--text-secondary);display:block;font-size:24rpx;line-height:1.5;margin-bottom:32rpx}.service-btn{-ms-flex-align:center;-ms-flex-pack:center;-webkit-align-items:center;align-items:center;-webkit-box-sizing:border-box;box-sizing:border-box;display:-webkit-flex;display:-ms-flexbox;display:flex;font-size:28rpx;font-weight:600;height:80rpx;-webkit-justify-content:center;justify-content:center;min-width:280rpx;padding:0 48rpx}.service-page .section-title{color:var(--text-primary);display:block;font-size:32rpx;font-weight:700;letter-spacing:0;margin-bottom:24rpx}.contact-list.surface-card{overflow:hidden;padding:0 32rpx}.contact-item{-ms-flex-align:center;-webkit-align-items:center;align-items:center;border-bottom:1rpx solid var(--border);display:-webkit-flex;display:-ms-flexbox;display:flex;min-height:112rpx;padding:24rpx 0}.contact-item:last-child{border-bottom:none}.contact-item-link{-webkit-transition:background .16s ease;transition:background .16s ease}.contact-item-link:active{background:var(--bg-muted)}.contact-icon-img{-ms-flex-negative:0;-webkit-flex-shrink:0;flex-shrink:0;height:48rpx;margin-right:24rpx;width:48rpx}.contact-info{-webkit-flex:1;-ms-flex:1;flex:1;min-width:0}.contact-label{color:var(--text-secondary);display:block;font-size:24rpx;line-height:1.4;margin-bottom:4rpx}.contact-value{color:var(--text-primary);display:block;font-size:28rpx;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.contact-arrow{-ms-flex-negative:0;color:var(--text-muted);-webkit-flex-shrink:0;flex-shrink:0;font-size:32rpx;line-height:1;margin-left:16rpx}.faq-card{display:block;margin-bottom:24rpx;padding:32rpx}.faq-q{color:var(--text-primary);display:block;font-size:30rpx;font-weight:700;letter-spacing:0;line-height:1.45;margin-bottom:12rpx}.faq-a{color:var(--text-secondary);display:block;font-size:26rpx;line-height:1.7}.enterprise-service{padding:32rpx}.enterprise-service .flex-center{-ms-flex-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;margin-bottom:12rpx}.enterprise-icon{-ms-flex-negative:0;-webkit-flex-shrink:0;flex-shrink:0;height:40rpx;margin-right:12rpx;width:40rpx}.enterprise-title{color:var(--text-primary);display:block;font-size:30rpx;font-weight:700;letter-spacing:0}.enterprise-desc{color:var(--text-secondary);display:block;font-size:24rpx;line-height:1.6;margin-bottom:24rpx}.enterprise-btn{-ms-flex-align:center;-ms-flex-pack:center;-webkit-align-items:center;align-items:center;display:-webkit-flex;display:-ms-flexbox;display:flex;font-size:28rpx;font-weight:600;height:80rpx;-webkit-justify-content:center;justify-content:center}

dist/pages/shop/index.wxss

@@ -1 +1 @@
-.shop-list{padding:0 32rpx calc(220rpx + env(safe-area-inset-bottom))}.shop-header{padding:48rpx 0 32rpx;text-align:center}.shop-header-title{color:var(--text-primary);display:block;font-size:44rpx;font-weight:700;letter-spacing:0}.shop-header-sub{color:var(--text-secondary);display:block;font-size:24rpx;margin-top:8rpx}.shop-grid{display:grid;gap:24rpx;grid-template-columns:1fr 1fr}.shop-card{background:var(--bg-card);border:1rpx solid var(--border);border-radius:24rpx;-webkit-box-shadow:var(--shadow-card);box-shadow:var(--shadow-card);overflow:hidden;-webkit-transition:-webkit-transform .15s ease;transition:-webkit-transform .15s ease;transition:transform .15s ease;transition:transform .15s ease,-webkit-transform .15s ease}.shop-card:active{-webkit-transform:scale(.98);-ms-transform:scale(.98);transform:scale(.98)}.shop-card-img-wrap{aspect-ratio:1/1;background:var(--bg-muted);overflow:hidden}.shop-card-img{height:100%;-o-object-fit:cover;object-fit:cover;-webkit-transition:-webkit-transform .4s ease;transition:-webkit-transform .4s ease;transition:transform .4s ease;transition:transform .4s ease,-webkit-transform .4s ease;width:100%}.shop-card-body{padding:20rpx 24rpx 24rpx}.shop-card-name{-webkit-line-clamp:2;-webkit-box-orient:vertical;color:var(--text-primary);display:-webkit-box;font-size:28rpx;font-weight:700;line-height:1.4;overflow:hidden}.shop-card-desc{-webkit-line-clamp:2;-webkit-box-orient:vertical;color:var(--text-secondary);display:-webkit-box;font-size:24rpx;line-height:1.4;margin-top:8rpx;overflow:hidden}.shop-card-price{color:var(--accent-primary);display:block;font-size:32rpx;font-variant:tabular-nums;font-weight:700;margin-top:12rpx}@media (min-width:750rpx){.shop-page{-ms-flex-pack:center;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-justify-content:center;justify-content:center}}
+.shop-list{padding:0 32rpx calc(220rpx + env(safe-area-inset-bottom))}.shop-header{padding-bottom:32rpx}.shop-header-title{color:var(--text-primary);display:block;font-size:56rpx;font-weight:800;letter-spacing:0;line-height:1.15}.shop-header-sub{color:var(--text-secondary);display:block;font-size:24rpx;margin-top:8rpx}.shop-grid{display:grid;gap:24rpx;grid-template-columns:1fr 1fr}.shop-card{background:var(--bg-card);border:1rpx solid var(--border);border-radius:24rpx;-webkit-box-shadow:var(--shadow-card);box-shadow:var(--shadow-card);overflow:hidden;-webkit-transition:-webkit-transform .15s ease;transition:-webkit-transform .15s ease;transition:transform .15s ease;transition:transform .15s ease,-webkit-transform .15s ease}.shop-card:active{-webkit-transform:scale(.98);-ms-transform:scale(.98);transform:scale(.98)}.shop-card-img-wrap{aspect-ratio:1/1;background:var(--bg-muted);overflow:hidden}.shop-card-img{height:100%;-o-object-fit:cover;object-fit:cover;-webkit-transition:-webkit-transform .4s ease;transition:-webkit-transform .4s ease;transition:transform .4s ease;transition:transform .4s ease,-webkit-transform .4s ease;width:100%}.shop-card-body{padding:20rpx 24rpx 24rpx}.shop-card-name{-webkit-line-clamp:2;-webkit-box-orient:vertical;color:var(--text-primary);display:-webkit-box;font-size:28rpx;font-weight:700;line-height:1.4;overflow:hidden}.shop-card-desc{-webkit-line-clamp:2;-webkit-box-orient:vertical;color:var(--text-secondary);display:-webkit-box;font-size:24rpx;line-height:1.4;margin-top:8rpx;overflow:hidden}.shop-card-price{color:var(--accent-primary);display:block;font-size:32rpx;font-variant:tabular-nums;font-weight:700;margin-top:12rpx}@media (min-width:750rpx){.shop-page{-ms-flex-pack:center;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-justify-content:center;justify-content:center}}

src/app.scss

@@ -201,10 +201,27 @@ page {
   padding-top: calc(env(safe-area-inset-top, 20px) + 96rpx);
 }
 
-/* 返回按钮不单独占状态栏空间——父级 .page-header / .edit-header 已整体下移 */
+/* 返回按钮统一为 TopMask 同款圆形毛玻璃 */
 .back-btn,
-.edit-back {
-  display: inline-block;
+.edit-back,
+.shop-back-btn {
+  display: flex !important;
+  align-items: center !important;
+  justify-content: center !important;
+  border-radius: 50% !important;
+  background: rgba(255, 255, 255, 0.55) !important;
+  backdrop-filter: blur(32px) saturate(1.2) !important;
+  -webkit-backdrop-filter: blur(32px) saturate(1.2) !important;
+  border: 1rpx solid rgba(255, 255, 255, 0.55) !important;
+  box-shadow: 0 12rpx 40rpx rgba(0, 0, 0, 0.18), 0 4rpx 12rpx rgba(0, 0, 0, 0.08) !important;
+}
+
+.theme-dark .back-btn,
+.theme-dark .edit-back,
+.theme-dark .shop-back-btn {
+  background: rgba(25, 25, 25, 0.55) !important;
+  border-color: rgba(255, 255, 255, 0.14) !important;
+  box-shadow: 0 12rpx 40rpx rgba(0, 0, 0, 0.5), 0 4rpx 12rpx rgba(0, 0, 0, 0.3) !important;
 }
 
 /* ==========================================================

src/components/ScrollTopMask/index.scss

@@ -26,7 +26,6 @@
   position: absolute;
   left: 0;
   right: 0;
-  bottom: 38%;
   text-align: center;
   font-size: 36rpx;
   font-weight: 600;

src/components/ScrollTopMask/index.tsx

@@ -111,6 +111,8 @@ export default function ScrollTopMask({ title, targetSelector = '.page-header',
       <Text
         className='scroll-top-title'
         style={{
+          top: `calc(${safe.menuButtonTop}px + 40rpx)`,
+          transform: 'translateY(-50%)',
           opacity: Math.max(0, Math.min(1, (topMaskOpacity - 0.5) / 0.5))
         }}
       >

src/pages/designList/index.scss

@@ -5,28 +5,23 @@
 
 .page-header.design-header {
   display: flex;
-  align-items: center;
+  align-items: flex-end;
   min-height: 88rpx;
-  padding-bottom: 16rpx;
-}
-
-.header-spacer {
-  width: 88rpx;
-  height: 88rpx;
-  flex-shrink: 0;
+  padding-bottom: 32rpx;
 }
 
 .header-title {
   flex: 1;
-  text-align: center;
-  font-size: 36rpx;
-  font-weight: 700;
+  font-size: 56rpx;
+  font-weight: 800;
+  line-height: 1.15;
+  letter-spacing: 0;
   color: var(--text-primary);
 }
 
 .header-manage {
   width: 88rpx;
-  text-align: center;
+  text-align: right;
   font-size: 28rpx;
   font-weight: 500;
   color: var(--accent-secondary);

src/pages/designList/index.tsx

@@ -125,7 +125,6 @@ export default function DesignListPage() {
       <LoginGuard>
         <View className='design-page'>
           <View className='page-header design-header' style={{ paddingTop: `${safe.statusBarHeight + 12}px` }}>
-            <View className='header-spacer' />
             <Text className='header-title'>我的设计清单</Text>
             <View className='header-manage' onTap={handleManage}>
               <Text>{managing ? '完成' : '管理'}</Text>

src/pages/diy/index.tsx

@@ -279,7 +279,7 @@ export default function DIYPage() {
       <ScrollTopMask title="设计工作台" targetSelector=".page-header.surface-card" showBack />
       <View className='diy-page'>
 
-        <View className='page-header surface-card mt-20' style={{ paddingTop: `${safe.statusBarHeight + 12}px` }}>
+        <View className='page-header surface-card' style={{ paddingTop: `${safe.statusBarHeight + 12}px` }}>
           <View className='flex-between' style={{ width: '100%' }}>
             <Text className='back-btn' onTap={goBack}>←</Text>
             <Text className='page-title'>设计工作台</Text>

src/pages/orderDetail/index.scss

@@ -481,8 +481,3 @@
   font-weight: 600;
   color: var(--accent-secondary);
 }
-
-/* --- 底部留白 --- */
-.page-bottom-spacer {
-  height: 48rpx;
-}

src/pages/orderDetail/index.tsx

@@ -56,7 +56,7 @@ export default function OrderDetailPage() {
     return (
       <View className={`theme-${resolvedTheme}`}>
         <ThemedPageMeta />
-      <ScrollTopMask title="订单详情" targetSelector=".page-header" showBack />
+        <ScrollTopMask title="订单详情" targetSelector=".page-header" showBack />
         <View className='order-detail-page'>
           <View className='page-header' style={{ paddingTop: `${safe.statusBarHeight + 12}px` }}>
             <View className='page-header-inner'>
@@ -75,7 +75,7 @@ export default function OrderDetailPage() {
   return (
       <View className={`theme-${resolvedTheme}`}>
         <ThemedPageMeta />
-      <ScrollTopMask title="订单详情" targetSelector=".page-header" showBack />
+        <ScrollTopMask title="订单详情" targetSelector=".page-header" showBack />
         <View className='order-detail-page'>
 
         <View className='page-header' style={{ paddingTop: `${safe.statusBarHeight + 12}px` }}>
@@ -209,8 +209,6 @@ export default function OrderDetailPage() {
           </View>
         </View>
 
-        <View className='page-bottom-spacer' />
-
         {/* 地址选择底部弹窗 */}
         {showAddrPicker && (
           <View className='modal-overlay' style={{ alignItems: 'flex-end', justifyContent: 'flex-end' }}>

src/pages/orders/index.scss

@@ -8,15 +8,16 @@
 .orders-page .page-header {
   display: flex;
   align-items: flex-end;
+  padding-top: 0;
   padding-bottom: 32rpx;
   margin: 0;
 }
 
 .orders-page .page-title {
   display: block;
-  font-size: 44rpx;
-  font-weight: 700;
-  line-height: 1.2;
+  font-size: 56rpx;
+  font-weight: 800;
+  line-height: 1.15;
   color: var(--text-primary);
   letter-spacing: 0;
 }

src/pages/product/index.scss

@@ -19,8 +19,8 @@
 }
 
 .back-btn {
-  width: 88rpx;
-  height: 88rpx;
+  width: 80rpx;
+  height: 80rpx;
   flex: 0 0 auto;
   border-radius: 50%;
   background: var(--bg-card);
@@ -36,7 +36,8 @@
 }
 
 .back-arrow {
-  font-size: 36rpx;
+  font-size: 44rpx;
+  font-weight: 600;
   line-height: 1;
   color: var(--text-primary);
 }
@@ -53,7 +54,7 @@
 }
 
 .nav-placeholder {
-  width: 88rpx;
+  width: 80rpx;
   flex: 0 0 auto;
 }
 

src/pages/product/index.tsx

@@ -28,7 +28,7 @@ export default function ProductPage() {
     return (
       <View className={`theme-${resolvedTheme}`}>
         <ThemedPageMeta />
-      <ScrollTopMask title="商品详情" targetSelector=".page-header" showBack />
+        <ScrollTopMask title="商品详情" targetSelector=".page-header" showBack />
         <View className='product-page'>
           <View className='page-header' style={{ marginTop: `${safe.statusBarHeight + 12}px` }}>
             <View className='page-header-inner'>
@@ -173,9 +173,6 @@ export default function ProductPage() {
           </View>
         </BottomActionBar>
 
-        {/* 安全区占位（防止内容被 action-bar 遮挡） */}
-        <View className='safe-bottom-placeholder' />
-
         {/* 数量选择弹窗 */}
         {showModal && (
           <View className='modal-overlay'>

src/pages/service/index.scss

@@ -46,7 +46,7 @@
   flex: 1;
   min-width: 0;
   text-align: center;
-  font-size: 44rpx;
+  font-size: 34rpx;
   font-weight: 700;
   line-height: 1.2;
   color: var(--text-primary);

src/pages/service/index.tsx

@@ -95,7 +95,6 @@ export default function ServicePage() {
           </View>
         </View>
 
-        <View style={{ height: '80rpx' }} />
       </View>
     </View>
   )

src/pages/settings/index.tsx

@@ -142,6 +142,7 @@ export default function SettingsPage() {
             </View>
           )}
 
+          {/* 底部留白：短内容页，为退出登录按钮与底部保留呼吸空间 */}
           <View style={{ height: '80rpx' }} />
 
           {/* 编辑弹窗 */}

src/pages/shop/detail/index.scss

@@ -281,10 +281,10 @@
 .shop-back-btn {
   position: fixed;
   top: calc(env(safe-area-inset-top, 20px) + 20rpx);
-  left: 24rpx;
+  left: 30rpx;
   z-index: 50;
-  width: 88rpx;
-  height: 88rpx;
+  width: 80rpx;
+  height: 80rpx;
   border-radius: 50%;
   background: rgba(40, 35, 32, 0.5);
   backdrop-filter: blur(16px) saturate(1.4);
@@ -302,9 +302,10 @@
 }
 
 .shop-back-arrow {
-  font-size: 36rpx;
-  color: var(--text-primary);
+  font-size: 44rpx;
+  font-weight: 600;
   line-height: 1;
+  color: var(--text-primary);
 }
 
 /* --- Bottom Action Bar — 毛玻璃由 BottomActionBar 提供，本地只补充价格摘要 --- */

src/pages/shop/detail/index.tsx

@@ -277,7 +277,7 @@ export default function ShopDetailPage() {
       <View
         className="shop-back-btn"
         onTap={() => Taro.navigateBack()}
-        style={{ top: `${safe.backBtnPaddingTop}px`, opacity: heroStyles.backBtnOpacity }}
+        style={{ top: `${safe.menuButtonTop}px`, opacity: heroStyles.backBtnOpacity }}
       >
         <Text className="shop-back-arrow">←</Text>
       </View>

src/pages/shop/index.scss

@@ -8,15 +8,15 @@
 }
 
 .shop-header {
-  text-align: center;
-  padding: 48rpx 0 32rpx;
+  padding-bottom: 32rpx;
 }
 
 .shop-header-title {
-  font-size: 44rpx;
-  font-weight: 700;
+  font-size: 56rpx;
+  font-weight: 800;
   color: var(--text-primary);
   letter-spacing: 0;
+  line-height: 1.15;
   display: block;
 }
 

src/pages/userDatabase/index.scss

@@ -94,11 +94,12 @@
 }
 
 .udb-header .page-title {
-  text-align: center;
-  font-size: 44rpx;
-  font-weight: 700;
+  text-align: left;
+  font-size: 56rpx;
+  font-weight: 800;
   color: var(--text-primary);
   letter-spacing: 0;
+  line-height: 1.15;
 }
 
 /* 工具栏 */