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@media(max-width:980px){.note-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.weekly-grid,.status-grid,.tips-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.steps-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tray-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.service-grid{grid-template-columns:.75fr 1.25fr}.bottom-info{grid-template-columns:1fr 1fr}.bottom-info article:last-child{grid-column:span 2}}
@media(max-width:780px){body{padding-top:86px;padding-bottom:calc(50px + env(safe-area-inset-bottom))}html{scroll-padding-top:102px}.sticker-rail{display:none}.hero-front{padding-top:17px}.mobile-bottom{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:50;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 20px rgba(74,22,48,.09);width:100%}.mobile-bottom a{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;line-height:1.15;color:var(--muted);gap:4px}.mobile-bottom a .nav-icon{font-size:18px;line-height:1}.mobile-bottom a.current{background:var(--pink);color:white;font-weight:800}.site-footer{padding-bottom:45px}.split-panel,.split-panel.reverse{grid-template-columns:1fr}.split-panel .media-frame{height:250px}.split-panel .content{order:0}.split-panel .media-frame{order:1}.service-grid{grid-template-columns:1fr}.service-grid .phone-frame{height:360px}.books-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.entries{grid-template-columns:1fr}.search-results{grid-template-columns:1fr}.page-shell{padding-top:20px}.inner-hero{padding:27px 23px}.inner-hero .lead{font-size:16px}.inner-visual{height:210px}.search-panel{top:86px;right:16px;left:16px;width:auto;max-height:calc(100dvh - 100px)}}
@media(max-width:560px){.wrap{padding-inline:16px}.paper-strip{font-size:9px}.site-brand{max-width:140px;font-size:19px}.site-brand img{max-height:32px}.bar-grid{gap:6px}.square-control{min-width:44px;min-height:44px}.app-link{min-height:44px;padding:7px 10px;font-size:12px}.hero-stack{padding:8px;border-radius:18px}.hero-copy{padding:20px 12px 15px}.hero-copy h1{font-size:28px}.hero-copy p{font-size:15px}.section-head{display:block}.note-grid{grid-template-columns:1fr}.note-card .media-frame{height:196px}.home-section{padding-block:19px 25px}.split-panel{padding:17px;gap:15px}.split-panel .media-frame{height:215px}.weekly-grid,.status-grid,.tips-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.weekly-cell,.status-cell,.tip-card{padding:15px 12px}.big-no{font-size:35px}.weekly-cell h3{font-size:16px}.weekly-cell p,.status-cell p,.tip-card p{font-size:12px;line-height:1.75}.steps-grid{grid-template-columns:1fr 1fr}.step-cell{padding:15px 12px}.step-cell p{font-size:12px}.letters-grid{grid-template-columns:1fr}.letter-paper{padding:23px}.bottom-info{grid-template-columns:1fr}.bottom-info article:last-child{grid-column:auto}.service-grid{padding:18px;gap:15px}.service-grid .phone-frame{height:330px}.book-cover{height:186px}.book-cover strong{font-size:18px}.foot-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 13px}.foot-brand strong{font-size:20px}.foot-brand img{max-width:150px}.tray-groups{gap:10px;padding:14px 12px;grid-template-columns:repeat(2,minmax(0,1fr))}.tray-item{padding:10px 9px}.tray-item strong{font-size:13px}.tray-item span{font-size:10px}.tray-group h2{font-size:14px}.panel-head{padding:12px 15px}.panel-head .panel-title{font-size:16px}.panel-head img{max-height:25px;max-width:118px}.envelope-tray{max-height:70dvh;height:70dvh}.inner-hero{padding:22px 18px}.entry,.layout-terms .entry,.layout-steps .entry,.layout-index .entry,.layout-guide .entry,.layout-longform .entry,.layout-letters .entry,.layout-statement .entry{padding:23px 19px}.entry h2{font-size:19px}.entry p{font-size:15px}.final-thought{padding:22px 19px}.related-grid{grid-template-columns:1fr}.faq-item{padding:20px 18px}.faq-item h2{font-size:18px}.faq-item p{font-size:15px}.search-form-inline{flex-direction:column}}
@media(max-width:360px){.site-brand{max-width:130px}.app-link{font-size:11px;padding-inline:9px}.bar-grid{gap:4px}.site-brand img{max-height:29px}.hero-copy h1{font-size:27px}.book-cover{height:160px}.book-cover strong{font-size:17px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* 三线目录图标采用稳定矢量描边，避免手机端字符字体差异 */
.square-control svg{display:block;width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}

/* 手机首屏缺图时缩小标记与文字，封面完整落入比例框 */
.banner-frame .media-fallback{max-width:100%;min-width:0;padding:5px 10px;gap:1px;font-size:clamp(16px,4.6vw,22px);line-height:1.25;overflow-wrap:anywhere}
.banner-frame .media-fallback::before{font-size:clamp(17px,5vw,27px);line-height:1.15}
/* 手机封面遵循横幅比例；品牌链接触摸区域不少于44px */
.site-brand{min-height:44px}
@media (max-width:560px){.banner-frame{aspect-ratio:16 / 9}}