*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:#E8E4DC;color:#3A372F;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.ui-lock{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{display:block;max-width:100%}.stone-line{position:fixed;z-index:90;top:0;left:0;right:0;height:22px;background:#3E3B36;color:#F7F3EB;font-size:12px}.stone-line-inner{max-width:1080px;height:22px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.stone-search-trigger{height:22px;min-width:44px;padding:0 8px;border:0;background:transparent;color:#F7F3EB;cursor:pointer}.rock-bar{position:fixed;z-index:89;top:22px;left:0;right:0;height:56px;background:#D6D0C6;border-bottom:1px solid rgba(62,59,54,.16)}.rock-bar-inner{max-width:1080px;height:56px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.brand-home,.footer-logo-link{display:inline-flex;align-items:center;min-height:44px}.brand-logo,.drawer-logo,.footer-logo{height:26px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-fallback{font-weight:700;font-size:16px;color:#2C2A26}.rock-actions{display:flex;align-items:center;gap:8px}.drawer-trigger,.app-link,.drawer-close,.search-close{min-height:44px;padding:0 16px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.drawer-trigger,.drawer-close,.search-close{border:1px solid rgba(62,59,54,.18);background:#F7F3EB;color:#3E3B36}.app-link{background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:#F7F3EB}.rock-tabs{position:fixed;z-index:88;top:78px;left:0;right:0;height:38px;background:#F7F3EB;border-bottom:1px solid rgba(62,59,54,.16)}.rock-tabs-inner{max-width:1080px;height:38px;margin:0 auto;display:flex;justify-content:center;align-items:center;gap:8px}.rock-tabs a{height:30px;min-width:76px;padding:0 14px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px}.rock-tabs a:hover,.rock-tabs a:focus-visible{background:#EFEBE3}.rock-tabs a.is-current{background:#3E3B36;color:#F7F3EB}.site-main{padding-top:116px;min-height:70vh}.page-shell,.home-shell{max-width:1080px;margin:0 auto;padding:32px 16px 64px}.page-head{margin-bottom:28px}.eyebrow{font-size:12px;letter-spacing:.15em;color:#A65A3A;font-weight:700}.page-head h1,.hero-intro h1{margin:6px 0 12px;color:#2C2A26;font-size:24px;line-height:1.3}.page-head p,.hero-intro p{max-width:820px;margin:0;color:#6B675E}.section-title{margin:0 0 16px;font-size:20px;line-height:1.35;color:#2C2A26}.minor-title{font-size:16px;color:#2C2A26;margin:0 0 8px}.copy{margin:0 0 14px}.muted{color:#6B675E}.small-note{font-size:13px;color:#6B675E}.btn{min-height:42px;padding:0 18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:#F7F3EB}.btn-secondary{background:#F7F3EB;border:1px solid rgba(166,90,58,.40);color:#3E3B36}.btn:hover,.btn:focus-visible,.app-link:hover,.app-link:focus-visible{transform:translateY(-1px);box-shadow:0 8px 18px rgba(44,42,38,.10);outline:none}.media-slot{background:#EFEBE3;border:1px solid rgba(62,59,54,.16);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-intro{padding:30px;border:1px solid rgba(62,59,54,.16);border-radius:12px;background:#F6F3ED;box-shadow:0 12px 28px rgba(44,42,38,.08)}.hero-intro .btn{margin-top:18px}.home-section{margin-top:28px}.dual-feature{display:grid;grid-template-columns:1fr 1fr;gap:16px}.feature-panel{background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px;padding:18px}.feature-panel .media-slot{height:168px;margin-bottom:14px}.numbered-band{background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:12px;overflow:hidden}.numbered-band .media-slot{height:190px;border:0;border-bottom:1px solid rgba(62,59,54,.16);border-radius:0}.band-copy{padding:18px}.band-row{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:12px 0;border-top:1px solid rgba(62,59,54,.12)}.band-row:first-of-type{border-top:0}.band-mark{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#3E3B36;color:#F7F3EB;font-weight:700}.note-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}.note-column{background:#F7F3EB;border-left:4px solid #6A7A58;padding:20px;border-radius:8px}.note-column:nth-child(2){border-left-color:#A65A3A}.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.shelf-cell{min-height:150px;padding:18px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-bottom:5px solid #C8C2B6;border-radius:8px}.alpha-list{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.alpha-item{padding:18px;background:#D6D0C6;border-radius:10px;border:1px solid rgba(62,59,54,.16)}.alpha-item strong{display:block;font-size:22px;color:#A65A3A;margin-bottom:8px}.node-line{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.node{position:relative;padding:22px 18px 18px;background:#F6F3ED;border-radius:10px;border:1px solid rgba(62,59,54,.16)}.node:before{content:"";position:absolute;left:18px;top:0;width:42px;height:4px;background:#6A7A58}.node:nth-child(2):before{background:#A65A3A}.node:nth-child(3):before{background:#8A8478}.app-home{display:flex;flex-direction:column;gap:16px;background:#D6D0C6;border-radius:12px;padding:22px}.app-home-icons{display:flex;align-items:center;gap:12px;margin-top:12px}.icon-slot{width:48px;height:48px;border-radius:12px;background:#F7F3EB;border:1px solid rgba(62,59,54,.16);display:flex;align-items:center;justify-content:center}.icon-slot img{width:48px;height:48px;object-fit:contain}.app-visual{height:320px;background:#F7F3EB}.text-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.text-card{padding:18px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px}.home-faq{display:grid;grid-template-columns:1fr 1fr;gap:12px}.home-faq article{padding:16px;background:#EFEBE3;border-radius:8px}.brand-home-section{padding:24px;background:#3E3B36;color:#F7F3EB;border-radius:12px}.brand-home-section h2{color:#F7F3EB}.brand-home-section p{color:#E8E4DC}.banner-slot{height:220px;margin:16px 0 24px}.numbered-list{display:flex;flex-direction:column;gap:10px}.numbered-list article{display:grid;grid-template-columns:64px 1fr;gap:18px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px;padding:18px}.numbered-list .tag{font-size:22px;color:#A65A3A;font-weight:700}.observe-directory{display:grid;grid-template-columns:220px 1fr;gap:18px}.observe-index{align-self:start;position:sticky;top:132px;background:#3E3B36;color:#F7F3EB;border-radius:10px;padding:16px}.observe-index div{padding:8px 0;border-bottom:1px solid rgba(247,243,235,.14)}.observe-content{display:flex;flex-direction:column;gap:14px}.observe-content article{background:#F6F3ED;border:1px solid rgba(62,59,54,.16);padding:20px;border-radius:10px}.card-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.card-wall article{min-height:220px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px;padding:20px}.card-wall article:nth-child(3n){background:#D6D0C6}.card-wall .wide{grid-column:1/-1;min-height:auto}.split-notes{display:grid;grid-template-columns:1fr 1fr;gap:18px}.split-notes section{background:#F7F3EB;border:1px solid rgba(62,59,54,.16);border-radius:10px;padding:20px}.split-notes ul,.memo-list ul{padding-left:1.2em}.alpha-stack{display:flex;flex-direction:column;gap:12px}.alpha-stack article{display:grid;grid-template-columns:70px 1fr;gap:18px;background:#D6D0C6;border-radius:10px;padding:18px}.alpha-stack .alpha{font-size:28px;color:#A65A3A;font-weight:700}.timeline{display:flex;flex-direction:column;gap:0;margin-left:14px;border-left:2px solid #8A8478}.timeline article{position:relative;margin:0 0 0 20px;padding:0 0 24px 18px}.timeline article:before{content:"";position:absolute;left:-27px;top:5px;width:12px;height:12px;border-radius:50%;background:#A65A3A;border:3px solid #E8E4DC}.status{display:inline-flex;padding:3px 9px;border-radius:999px;background:#3E3B36;color:#F7F3EB;font-size:12px}.memo-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.memo-list article{background:#F6F3ED;border:1px dashed rgba(62,59,54,.26);border-radius:10px;padding:20px}.method-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.method-flow article{background:#F6F3ED;border-top:4px solid #6A7A58;padding:18px;border-radius:8px}.method-flow article:nth-child(even){border-top-color:#A65A3A}.theme-list{display:flex;flex-direction:column;gap:12px}.theme-list article{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:18px;background:#F6F3ED;border-radius:10px;border:1px solid rgba(62,59,54,.16)}.theme-list .theme-name{font-size:18px;color:#2C2A26;font-weight:700}.library-shelf{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.library-shelf article{min-height:210px;padding:20px;background:#F7F3EB;border:1px solid rgba(62,59,54,.16);border-bottom:6px solid #6B675E;border-radius:8px}.library-shelf article:nth-child(2n){border-bottom-color:#A65A3A}.library-shelf article:nth-child(3n){border-bottom-color:#6A7A58}.product-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:20px}.product-copy{background:#F6F3ED;border-radius:12px;padding:22px;border:1px solid rgba(62,59,54,.16)}.product-visual{height:340px;background:#F7F3EB}.product-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.product-points article{padding:16px;background:#EFEBE3;border-radius:8px}.install-steps{counter-reset:step;display:grid;grid-template-columns:1fr 1fr;gap:14px}.install-steps article{counter-increment:step;padding:20px;background:#F6F3ED;border-radius:10px;border:1px solid rgba(62,59,54,.16)}.install-steps article:before{content:"第" counter(step) "项";display:inline-block;margin-bottom:10px;color:#A65A3A;font-weight:700}.clauses{display:flex;flex-direction:column;gap:14px}.clauses section{background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px;padding:20px}.clauses section h2{border-left:4px solid #A65A3A;padding-left:10px}.help-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-matrix article{padding:20px;background:#F6F3ED;border-radius:10px;border:1px solid rgba(62,59,54,.16)}.faq-list{display:flex;flex-direction:column;gap:12px}.faq-list details{background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px;padding:0 18px}.faq-list summary{cursor:pointer;min-height:52px;display:flex;align-items:center;font-weight:700;color:#2C2A26}.faq-list p{margin:0 0 18px;color:#3A372F}.contact-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-paths article{padding:20px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px}.brand-statement{display:grid;grid-template-columns:1fr;gap:16px}.brand-statement section{padding:22px;background:#F6F3ED;border-radius:10px;border-left:5px solid #6A7A58}.brand-statement section:nth-child(even){border-left-color:#A65A3A}.about-media{height:220px;margin-bottom:18px}.site-footer{background:#2A2824;color:#E8E4DC;border-top:1px solid #C8C2B6}.footer-inner{max-width:1080px;margin:0 auto;padding:32px 16px 76px}.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:22px}.footer-brand strong,.footer-brand span{display:block}.footer-brand span{font-size:12px;color:#C8C2B6}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-grid h2{font-size:13px;color:#F7F3EB;margin:0 0 8px}.footer-grid a{display:block;font-size:13px;color:#E8E4DC;padding:3px 0}.footer-grid a:hover,.footer-grid a:focus-visible{color:#F7F3EB;text-decoration:underline}.copyright-note{margin:24px 0 6px;padding-top:18px;border-top:1px solid rgba(232,228,220,.16);font-size:13px;color:#C8C2B6}.copyright{margin:0;font-size:13px;color:#C8C2B6}.page-overlay{position:fixed;z-index:110;inset:0;background:rgba(42,40,36,.50);opacity:0;visibility:hidden;pointer-events:none;transition:.22s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.rock-drawer{position:fixed;z-index:120;top:0;bottom:0;left:0;width:380px;max-width:88vw;background:#F6F3ED;transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s;box-shadow:0 12px 28px rgba(44,42,38,.18)}.rock-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:68px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(62,59,54,.16)}.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700}.drawer-scroll{height:calc(100vh - 68px);overflow:auto;padding:12px 16px 26px}.drawer-group{margin-bottom:18px}.drawer-group h2{font-size:13px;color:#6B675E;margin:0 0 6px}.drawer-group a{display:block;padding:10px 8px;border-radius:8px}.drawer-group a:hover,.drawer-group a:focus-visible{background:#EFEBE3;outline:none}.drawer-group strong,.drawer-group span{display:block}.drawer-group strong{font-size:14px}.drawer-group span{font-size:12px;color:#6B675E}.search-layer{position:fixed;z-index:105;left:0;right:0;top:78px;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{max-width:720px;margin:0 auto;background:#E8E4DC;border:1px solid rgba(62,59,54,.16);box-shadow:0 12px 28px rgba(44,42,38,.14);border-radius:0 0 12px 12px;padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.search-card label{display:block;font-size:13px;margin-bottom:6px;color:#6B675E}.search-card input{width:100%;height:44px;border-radius:9px;border:1px solid rgba(62,59,54,.22);background:#F7F3EB;color:#2C2A26;padding:0 12px;outline:none}.search-card input:focus{border-color:rgba(166,90,58,.55);box-shadow:0 0 0 3px rgba(166,90,58,.10)}.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16)}.search-empty{font-size:13px;color:#6B675E}.mobile-bottom{display:none}.footer-logo-link .brand-fallback{color:#F7F3EB}.divider{height:1px;background:rgba(62,59,54,.16);margin:26px 0}.callout{padding:18px;background:#D6D0C6;border-left:4px solid #A65A3A;border-radius:8px}.bullet-clean{list-style:none;padding:0;margin:0}.bullet-clean li{padding:8px 0;border-bottom:1px solid rgba(62,59,54,.12)}
@media (max-width:760px){.rock-tabs{display:none}.site-main{padding-top:78px}.page-shell,.home-shell{padding:24px 16px 72px}.hero-intro{padding:22px}.dual-feature,.note-pair,.node-line,.text-grid,.home-faq,.split-notes,.card-wall,.product-layout,.install-steps,.help-matrix,.contact-paths{grid-template-columns:1fr}.shelf-grid,.library-shelf{grid-template-columns:1fr 1fr}.alpha-list{grid-template-columns:1fr}.method-flow{grid-template-columns:1fr 1fr}.observe-directory{grid-template-columns:1fr}.observe-index{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:4px}.observe-index div{border-bottom:0;background:rgba(247,243,235,.08);padding:8px;border-radius:6px}.theme-list article{grid-template-columns:1fr}.product-visual{height:320px}.search-layer{top:0;bottom:0;background:#3E3B36}.search-card{height:100%;max-width:none;margin:0;border:0;border-radius:0;background:#3E3B36;color:#F7F3EB;padding:22px 16px}.search-card label,.search-empty{color:#E8E4DC}.search-head strong{color:#F7F3EB}.search-presets{grid-template-columns:1fr 1fr}.search-presets a{background:#F7F3EB;color:#3E3B36}.mobile-bottom{display:grid;position:fixed;z-index:95;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(5,1fr);background:#F7F3EB;border-top:1px solid rgba(62,59,54,.16)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;min-width:0}.mobile-bottom a.is-current{background:#A65A3A;color:#F7F3EB}.footer-inner{padding-bottom:86px}.footer-grid{grid-template-columns:1fr 1fr}.rock-actions{gap:6px}.drawer-trigger,.app-link{padding:0 12px}.stone-line-inner{padding:0 12px}.numbered-list article,.alpha-stack article{grid-template-columns:48px 1fr;gap:10px}.memo-list{grid-template-columns:1fr}.page-head{margin-bottom:20px}}
@media (max-width:420px){.brand-fallback{font-size:15px}.rock-actions .drawer-trigger,.rock-actions .app-link{padding:0 10px}.shelf-grid,.library-shelf,.method-flow{grid-template-columns:1fr}.search-presets{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.numbered-list article,.alpha-stack article{grid-template-columns:1fr}.band-row{grid-template-columns:42px 1fr}}