:root{--bg:#E8E4DC;--deep:#D6D0C6;--paper:#F6F3ED;--soft:#EFEBE3;--ink:#2C2A26;--text:#3A372F;--muted:#6B675E;--subtle:#8A8478;--rock:#6B675E;--dark:#3E3B36;--light:#C8C2B6;--warm:#F7F3EB;--moss:#6A7A58;--clay:#A65A3A;--line:rgba(62,59,54,.16);--accent-line:rgba(166,90,58,.40);--shadow:0 12px 28px rgba(44,42,38,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;object-fit:contain;object-position:center}button{font:inherit}.shell{width:min(1080px,calc(100% - 32px));margin:0 auto}.stone-line{height:22px;background:var(--dark);color:var(--warm);font-size:12px;position:fixed;inset:0 0 auto;z-index:80}.stone-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.line-search-btn{border:0;background:transparent;color:var(--warm);height:22px;padding:0 6px;cursor:pointer}.rock-bar{height:56px;background:var(--bg);border-bottom:1px solid var(--line);position:fixed;top:22px;left:0;right:0;z-index:79}.rock-bar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand-link{display:flex;align-items:center;min-height:44px}.brand-logo{height:26px;width:auto;max-width:180px}.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}.rock-actions{display:flex;gap:8px;align-items:center}.drawer-btn,.app-link,.btn-primary,.btn-secondary{height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:0 16px;font-size:14px;white-space:nowrap}.drawer-btn{border:1px solid var(--accent-line);background:var(--warm);color:var(--dark);cursor:pointer}.app-link,.btn-primary{background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:var(--warm);border:1px solid transparent}.btn-secondary{background:var(--warm);border:1px solid var(--clay);color:var(--dark)}.drawer-btn:hover,.app-link:hover,.btn-primary:hover,.btn-secondary:hover,.line-search-btn:hover{filter:brightness(.98)}a:focus-visible,button:focus-visible{outline:3px solid rgba(166,90,58,.35);outline-offset:2px}.rock-tabs{height:38px;background:var(--warm);border-bottom:1px solid var(--line);position:fixed;top:78px;left:0;right:0;z-index:78}.rock-tabs-inner{height:38px;display:flex;align-items:center;justify-content:center;gap:10px}.rock-tabs a{height:30px;min-width:72px;padding:0 14px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:13px;color:var(--dark)}.rock-tabs a.is-current{background:var(--dark);color:var(--warm)}.site-main{padding-top:136px;padding-bottom:56px}.page-head{padding:34px 0 18px}.page-head h1,.hero-intro h1{font-size:24px;line-height:1.3;margin:0 0 14px;color:var(--ink)}h2{font-size:20px;line-height:1.35;color:var(--ink)}h3{font-size:16px;line-height:1.45;color:var(--ink)}p{margin:0 0 12px}.lead{font-size:16px;color:var(--text);max-width:820px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--clay);font-weight:800;text-transform:uppercase}.section{padding:22px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:14px}.section-title h2{margin:0}.section-title p{margin:0;color:var(--muted);font-size:13px}.paper{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px}.soft{background:var(--soft);border:1px solid var(--line);border-radius:10px}.image-slot{background:var(--warm);border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%}.slot-168{height:168px}.slot-190{height:190px}.slot-220{height:220px}.slot-app{height:340px}.hero-intro{padding:42px 0 34px}.hero-intro .intro-box{max-width:790px}.hero-intro .slogan{font-size:20px;font-weight:800;color:var(--dark);margin:0 0 12px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.two-feature{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature-card{padding:16px}.feature-card h2{margin:14px 0 8px}.number-strips{display:grid;gap:10px}.number-strip{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;padding:16px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.cn-num{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--deep);color:var(--dark);font-weight:800}.note-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.note-column{padding:18px}.note-column ul,.check-list{margin:0;padding-left:20px}.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.shelf-cell{min-height:132px;padding:16px;background:var(--warm);border:1px solid var(--line);border-radius:10px}.sequence-row{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.sequence-item{padding:16px;background:var(--soft);border-top:3px solid var(--moss);border-radius:10px;min-height:150px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.timeline-node{min-width:0;padding:16px;background:var(--paper);border:1px solid var(--line);border-radius:10px;position:relative}.status{display:inline-flex;padding:3px 9px;border-radius:999px;background:var(--deep);color:var(--dark);font-size:12px;margin-bottom:8px}.app-stack{display:grid;gap:16px}.app-copy{padding:20px}.app-icons{display:flex;align-items:center;gap:12px;margin:12px 0}.app-icons img{width:48px;height:48px}.reading-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.reading-point{padding:16px;border-left:4px solid var(--moss);background:var(--paper);border-radius:8px}.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-mini article{padding:16px;background:var(--soft);border:1px solid var(--line);border-radius:9px}.brand-story{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:stretch}.brand-story>div{padding:20px}.catalog-list{display:grid;gap:10px}.catalog-item{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.catalog-item strong{color:var(--dark)}.card-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.wall-card{padding:17px;background:var(--paper);border:1px solid var(--line);border-radius:10px;min-height:190px}.memo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.memo{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.memo h2{margin-top:0}.memo dl{margin:0}.memo dt{font-weight:800;color:var(--dark);margin-top:12px}.memo dd{margin:4px 0 0;color:var(--text)}.check-board{display:grid;gap:12px}.check-row{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:16px;background:var(--paper);border-left:4px solid var(--clay);border-radius:8px}.method-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.method-step{padding:16px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.theme-list{display:grid;gap:12px}.theme-item{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.theme-mark{width:42px;height:42px;border-radius:8px;background:var(--dark);color:var(--warm);display:flex;align-items:center;justify-content:center;font-weight:800}.shelf-section{padding:18px;background:var(--paper);border-radius:10px;border:1px solid var(--line)}.shelf-section+.shelf-section{margin-top:14px}.shelf-title{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:12px}.shelf-items{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.shelf-item{padding:14px;background:var(--warm);border-radius:8px;border:1px solid var(--line)}.product-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.product-copy{padding:20px}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.feature-list article{padding:14px;background:var(--soft);border-radius:8px}.term-stack{display:grid;gap:14px}.term{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.term h2{margin:0 0 8px}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-card{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.faq-list{display:grid;gap:12px}.faq-item{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.faq-item h2{font-size:16px;margin:0 0 8px}.contact-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-path{padding:18px;background:var(--paper);border-left:4px solid var(--clay);border-radius:9px}.about-manifest{padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.banner-slot{margin-top:18px}.site-footer{background:#2A2824;color:#E8E4DC;border-top:1px solid rgba(200,194,182,.3);font-size:13px;padding:30px 0 calc(24px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:18px}.footer-grid h2{font-size:13px;color:var(--warm);margin:0 0 8px}.footer-grid a{display:block;color:#E8E4DC;margin:4px 0}.footer-brand{display:flex;flex-direction:column;gap:4px}.footer-logo{height:26px;width:auto;max-width:180px;margin-bottom:6px}.footer-note{border-top:1px solid rgba(200,194,182,.22);margin-top:20px;padding-top:16px;color:#CFC8BB}.site-overlay{position:fixed;inset:0;background:rgba(30,28,25,.48);z-index:100;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.site-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.rock-drawer{position:fixed;left:0;top:0;bottom:0;width:380px;max-width:88vw;background:var(--paper);z-index:110;transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s}.rock-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:72px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:26px;width:auto;max-width:150px}.drawer-brand strong,.drawer-brand span{display:block}.drawer-brand span{font-size:11px;color:var(--muted)}.drawer-head button,.search-head button{min-width:44px;height:40px;border:1px solid var(--line);border-radius:8px;background:var(--warm);color:var(--dark);cursor:pointer}.drawer-scroll{height:calc(100% - 72px);overflow-y:auto;padding:14px}.drawer-scroll section{margin-bottom:16px}.drawer-scroll h2{font-size:13px;margin:0 0 6px;color:var(--clay)}.drawer-scroll a{display:grid;grid-template-columns:78px 1fr;gap:10px;padding:10px 6px;border-bottom:1px solid var(--line)}.drawer-scroll b{font-size:14px;color:var(--dark)}.drawer-scroll span{font-size:12px;color:var(--muted)}.search-layer{position:fixed;top:78px;left:0;right:0;z-index:109;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{width:min(760px,calc(100% - 32px));margin:14px auto 0;background:var(--bg);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px;padding:16px}.search-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.search-presets a{min-height:44px;padding:0 16px;display:flex;align-items:center;border:1px solid var(--accent-line);background:var(--warm);border-radius:8px}.mobile-bottom{display:none}.legal-note{padding:15px;background:var(--soft);border:1px solid var(--line);border-radius:9px;color:var(--muted)}
@media(max-width:860px){.timeline{grid-template-columns:repeat(2,1fr)}.sequence-row{grid-template-columns:repeat(2,1fr)}.shelf-grid{grid-template-columns:repeat(2,1fr)}.card-wall{grid-template-columns:repeat(2,1fr)}.method-flow{grid-template-columns:repeat(2,1fr)}.shelf-items{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.product-grid,.brand-story{grid-template-columns:1fr}}
@media(max-width:640px){.timeline{grid-template-columns:1fr}.rock-tabs{display:none}.site-main{padding-top:98px;padding-bottom:76px}.rock-actions{gap:6px}.drawer-btn,.app-link{padding:0 12px}.brand-logo{max-width:132px}.stone-line-inner{gap:8px}.stone-line-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.two-feature,.note-columns,.memo-grid,.reading-points,.faq-mini,.help-grid,.contact-paths{grid-template-columns:1fr}.sequence-row,.card-wall,.method-flow,.shelf-items,.feature-list{grid-template-columns:1fr}.shelf-grid{grid-template-columns:1fr 1fr}.catalog-item,.check-row{grid-template-columns:1fr}.product-grid,.brand-story{grid-template-columns:1fr}.slot-168{height:168px}.slot-190{height:190px}.slot-220{height:220px}.slot-app{height:320px}.mobile-bottom{position:fixed;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(--line);z-index:90;display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;min-width:0}.mobile-bottom a.is-current{background:var(--clay);color:var(--warm)}.site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.search-layer{inset:22px 0 0;background:var(--dark);color:var(--warm);top:22px}.search-card{width:100%;height:100%;margin:0;border:0;border-radius:0;background:var(--dark);box-shadow:none;color:var(--warm);padding:22px 16px}.search-head strong{color:var(--warm)}.search-head button{background:var(--warm);color:var(--dark)}.search-presets a{background:transparent;color:var(--warm);border-color:rgba(247,243,235,.4)}.footer-grid{grid-template-columns:1fr 1fr}.page-head{padding-top:26px}.hero-intro{padding-top:32px}}
.mb-14{margin-bottom:14px}.mt-14{margin-top:14px}.pad-18{padding:18px}.pad-20{padding:20px}