:root{
--bg:#E8E4DC;--deep:#D6D0C6;--surface:#F6F3ED;--surface2:#EFEBE3;--title:#2C2A26;--text:#3A372F;--muted:#6B675E;--soft:#8A8478;--rock:#6B675E;--dark:#3E3B36;--light:#C8C2B6;--warm:#F7F3EB;--moss:#6A7A58;--clay:#A65A3A;--border:rgba(62,59,54,.16);--accent-border:rgba(166,90,58,.40);--shadow:0 12px 28px rgba(44,42,38,.08);--max:1080px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-top:116px}.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.site-head{position:fixed;inset:0 0 auto 0;z-index:80}.stone-line{height:22px;background:var(--dark);color:var(--warm);font-size:12px}.stone-line__inner{height:22px;display:flex;align-items:center;justify-content:space-between;gap:12px}.text-button{border:0;background:transparent;color:var(--warm);padding:0 2px;min-width:44px;height:22px}.rock-bar{height:56px;background:var(--deep);border-bottom:1px solid var(--border)}.rock-bar__inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{display:inline-flex;min-height:44px;align-items:center}.brand-logo{height:26px;width:auto;max-width:210px;object-fit:contain;object-position:center}.brand-fallback{font-weight:700;font-size:16px;color:var(--title)}.rock-bar__actions{display:flex;align-items:center;gap:8px}.soft-action,.primary-action,.secondary-action,.close-button{min-height:44px;border-radius:9px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.soft-action{border:1px solid var(--border);background:var(--surface2);color:var(--dark)}.primary-action{border:0;background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:var(--warm);font-weight:700}.secondary-action{border:1px solid var(--clay);background:var(--warm);color:var(--dark);font-weight:700}.close-button{border:1px solid var(--border);background:var(--surface2);color:var(--dark)}.rock-tags{height:38px;background:var(--warm);border-bottom:1px solid var(--border)}.rock-tags__inner{height:38px;display:flex;align-items:center;justify-content:center;gap:8px}.rock-tags a{height:30px;padding:0 18px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:var(--dark)}.rock-tags a.is-current{background:var(--dark);color:var(--warm)}.site-main{min-height:60vh}.page-shell{padding:42px 0 72px}.hero-intro{padding:62px 0 44px;border-bottom:1px solid var(--border)}.hero-intro .inner{max-width:820px}.eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--clay);font-weight:700;margin-bottom:8px}h1,h2,h3{margin:0;color:var(--title);line-height:1.3}h1{font-size:24px;margin-bottom:14px}h2{font-size:20px;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}p{margin:0 0 14px}.lead{font-size:16px;line-height:1.8;max-width:820px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.section{padding:44px 0}.section--warm{background:var(--warm)}.section--deep{background:var(--deep)}.section--surface{background:var(--surface)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.section-head p{max-width:660px;color:var(--muted);margin:0}.media-slot{background:var(--warm);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.home-duo{display:grid;grid-template-columns:1fr 1fr;gap:18px}.duo-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:var(--shadow)}.duo-card .media-slot{height:168px;margin-bottom:16px}.number-strips{display:grid;gap:10px}.number-strip{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px}.number-strip b{font-size:18px;color:var(--clay)}.number-strip p{margin:0}.feature-media{height:190px;margin:18px 0}.note-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-paper{background:var(--warm);border:1px solid var(--border);border-left:4px solid var(--moss);border-radius:10px;padding:20px}.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.shelf-cell{background:var(--surface);border:1px solid var(--border);border-bottom:4px solid var(--light);border-radius:10px;padding:18px;min-height:156px}.sequence-list{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.sequence-item{background:var(--dark);color:var(--warm);border-radius:10px;padding:18px}.sequence-item h3{color:var(--warm)}.sequence-item b{display:block;color:#F7F3EB;font-size:20px;margin-bottom:8px}.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;align-items:stretch;padding:4px 0 10px}.timeline-node{background:var(--surface);border:1px solid var(--border);border-top:4px solid var(--clay);border-radius:10px;padding:18px}.status{display:inline-flex;padding:3px 9px;border-radius:999px;background:var(--deep);color:var(--dark);font-size:12px;margin-bottom:10px}.app-block{max-width:760px}.app-image-stack{display:grid;grid-template-columns:1fr 96px;gap:14px;max-width:620px;margin-top:22px;align-items:end}.app-image-stack .media-slot:first-child{height:320px}.app-image-stack .icon-slot{height:96px}.reading-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.point{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px}.faq-mini{display:grid;gap:10px}.faq-mini details,.faq-list details{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.faq-mini summary,.faq-list summary{cursor:pointer;font-weight:700;color:var(--title)}.faq-mini p,.faq-list p{margin:10px 0 2px}.brand-story{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;align-items:stretch}.brand-stone{background:var(--dark);color:var(--warm);border-radius:12px;padding:24px}.brand-stone h2{color:var(--warm)}.page-hero{padding:40px 0 28px}.page-hero__box{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:26px;box-shadow:var(--shadow)}.page-hero__box p:last-child{margin-bottom:0}.banner-slot{height:220px;margin-top:18px}.catalog-list{display:grid;gap:12px}.catalog-row{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px;display:grid;grid-template-columns:72px 1fr;gap:16px}.catalog-row .mark{font-weight:800;color:var(--clay);font-size:18px}.observe-directory{display:grid;grid-template-columns:280px 1fr;gap:18px}.observe-index{background:var(--dark);color:var(--warm);border-radius:12px;padding:20px;align-self:start;position:sticky;top:132px}.observe-index h2{color:var(--warm)}.observe-index a{display:block;padding:8px 0;border-bottom:1px solid rgba(247,243,235,.16)}.observe-articles{display:grid;gap:14px}.observe-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px}.card-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.scene-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;min-height:220px}.scene-card:nth-child(3n){background:var(--surface2)}.memo-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.memo{background:var(--warm);border:1px solid var(--border);border-radius:10px;padding:20px}.memo ul,.check-list,.terms ul{margin:8px 0 0;padding-left:20px}.memo li,.check-list li,.terms li{margin:7px 0}.seq-stack{display:grid;gap:12px}.seq-row{display:grid;grid-template-columns:70px 1fr;background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden}.seq-letter{background:var(--dark);color:var(--warm);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;min-height:120px}.seq-copy{padding:18px}.node-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding-bottom:10px}.node-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px}.note-checks{display:grid;gap:12px}.check-block{background:var(--surface);border:1px solid var(--border);border-left:5px solid var(--clay);border-radius:10px;padding:18px}.method-steps{display:grid;counter-reset:step;gap:12px}.method-step{counter-increment:step;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px 20px 20px 72px;position:relative}.method-step:before{content:counter(step,"cjk-ideographic");position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;background:var(--dark);color:var(--warm);display:flex;align-items:center;justify-content:center;font-weight:800}.theme-list{display:grid;gap:12px}.theme-row{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px;display:grid;grid-template-columns:180px 1fr;gap:18px}.cabinet{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.cabinet-section{background:var(--warm);border:1px solid var(--border);border-radius:12px;padding:18px}.cabinet-section ul{list-style:none;padding:0;margin:10px 0 0}.cabinet-section li{padding:10px 0;border-top:1px solid var(--border)}.product-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}.product-panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}.product-image .media-slot{height:320px}.terms{display:grid;gap:14px}.term-block{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px}.contact-lanes{display:grid;gap:12px}.contact-lane{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;display:grid;grid-template-columns:180px 1fr;gap:18px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.about-panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.site-footer{background:#2A2824;color:#E8E4DC;padding:40px 0 calc(30px + env(safe-area-inset-bottom));border-top:1px solid rgba(200,194,182,.35);font-size:13px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:24px}.footer-brand{display:flex;flex-direction:column;gap:6px}.footer-brand strong,.footer-col h2{color:var(--warm)}.footer-col h2{font-size:13px;margin-bottom:10px}.footer-col a{display:block;color:#E8E4DC;padding:4px 0}.footer-note{border-top:1px solid rgba(200,194,182,.25);margin-top:28px;padding-top:18px;color:#D6D0C6}.footer-note p:last-child{margin-bottom:0}.page-overlay{position:fixed;inset:0;background:rgba(42,40,36,.48);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.page-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.rock-drawer{position:fixed;z-index:100;left:0;top:0;bottom:0;width:380px;max-width:88vw;background:var(--warm);box-shadow:var(--shadow);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:.25s ease;overflow-y:auto;padding:18px}.drawer-open .rock-drawer{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-group{padding:16px 0;border-bottom:1px solid var(--border)}.drawer-group h2{font-size:13px;color:var(--muted);margin-bottom:6px}.drawer-group a{display:block;padding:9px 8px;border-radius:8px}.drawer-group a:hover{background:var(--surface2)}.drawer-group strong{display:block;color:var(--title)}.drawer-group span{display:block;color:var(--muted);font-size:13px;margin-top:2px}.search-layer{position:fixed;z-index:110;top:78px;left:0;right:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);opacity:0;transition:.2s ease}.search-open .search-layer{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:12px auto 0;background:var(--deep);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.search-head h2{margin-bottom:4px}.search-form{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:16px}.search-form label{grid-column:1/-1;color:var(--muted);font-size:13px}.search-form input{min-width:0;height:44px;border:1px solid var(--border);border-radius:9px;background:var(--surface);padding:0 12px;color:var(--text)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-presets a{min-height:40px;padding:0 14px;border:1px solid var(--border);background:var(--warm);border-radius:8px;display:inline-flex;align-items:center}.mobile-bottom{display:none}.primary-action:hover,.secondary-action:hover,.soft-action:hover,.rock-tags a:hover,.search-presets a:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(166,90,58,.32);outline-offset:2px}
@media(max-width:820px){body{padding-top:78px;padding-bottom:calc(56px + env(safe-area-inset-bottom))}.rock-tags{display:none}.timeline,.node-track{grid-template-columns:1fr}.top-app{padding:0 12px}.wrap{width:calc(100% - 32px)}.hero-intro{padding:40px 0 34px}.home-duo,.note-columns,.brand-story,.product-grid,.about-grid{grid-template-columns:1fr}.shelf-grid{grid-template-columns:1fr 1fr}.sequence-list{grid-template-columns:1fr}.reading-points{grid-template-columns:1fr}.observe-directory{grid-template-columns:1fr}.observe-index{position:static}.card-wall,.memo-grid,.help-grid{grid-template-columns:1fr}.theme-row,.contact-lane{grid-template-columns:1fr}.cabinet{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.mobile-bottom{position:fixed;z-index:70;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--warm);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--dark)}.mobile-bottom a.is-current{background:var(--clay);color:var(--warm)}.search-layer{top:0;bottom:0;background:var(--dark);padding:16px;overflow-y:auto}.search-card{width:100%;margin:0;background:var(--dark);border-color:rgba(247,243,235,.18);color:var(--warm);box-shadow:none}.search-head h2,.search-head .eyebrow,.search-form label{color:var(--warm)}.search-card .close-button{background:var(--warm);color:var(--dark)}.search-form{grid-template-columns:1fr}.search-form input{background:var(--warm)}.search-presets a{background:transparent;color:var(--warm);border-color:rgba(247,243,235,.3)}.section-head{align-items:flex-start;flex-direction:column}.page-shell{padding-top:28px}.app-image-stack{grid-template-columns:1fr 80px}.app-image-stack .icon-slot{height:80px}.catalog-row{grid-template-columns:52px 1fr}.seq-row{grid-template-columns:56px 1fr}.number-strip{grid-template-columns:48px 1fr}}
@media(max-width:540px){.stone-line__inner{font-size:11px}.brand-logo{max-width:150px}.rock-bar__actions{gap:6px}.soft-action,.top-app{padding:0 10px}.shelf-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.page-hero__box{padding:20px}.app-image-stack{grid-template-columns:1fr}.app-image-stack .icon-slot{width:96px}.catalog-row,.number-strip{grid-template-columns:1fr}.theme-row,.contact-lane{grid-template-columns:1fr}.method-step{padding-left:62px}}

.section-head--spaced{margin-top:34px}.brand-story--spaced{margin-top:18px}.brand-media-slot{height:220px;margin-bottom:14px}.product-icon-slot{height:96px;width:96px;margin-top:14px}.icon-slot img{width:48px;height:48px;max-width:48px;max-height:48px}