*{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","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.lock-scroll{overflow:hidden}.wrap{width:min(1080px,calc(100% - 32px));margin:0 auto}.stone-line{height:22px;position:fixed;top:0;left:0;right:0;z-index:80;background:#3E3B36;color:#F7F3EB;font-size:12px}.stone-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between;gap:12px}.plain-button{border:0;background:transparent;color:inherit;font:inherit;min-height:22px;padding:0 4px;cursor:pointer}.rock-bar{height:56px;position:fixed;top:22px;left:0;right:0;z-index:79;background:#D6D0C6;border-bottom:1px solid rgba(62,59,54,.16)}.rock-bar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:14px}.brand-link{display:flex;align-items:center;min-width:0;color:#2C2A26;text-decoration:none;font-size:16px;font-weight:700}.brand-image-slot-small{height:26px;min-width:26px;display:inline-flex;align-items:center}.brand-logo{height:26px;max-width:150px;object-fit:contain;object-position:center}.brand-fallback{margin-left:8px;white-space:nowrap}.brand-image-slot:empty+.brand-fallback{margin-left:0}.rock-actions{display:flex;align-items:center;gap:8px}.primary-button,.secondary-button,.text-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border-radius:9px;text-decoration:none;font-size:14px;line-height:1;white-space:nowrap;transition:.2s ease}.primary-button{background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:#F7F3EB;border:1px solid rgba(62,59,54,.16)}.secondary-button{background:#F7F3EB;color:#3E3B36;border:1px solid rgba(166,90,58,.40);font:inherit;cursor:pointer}.compact-button{min-height:40px}.primary-button:hover,.secondary-button:hover,.text-link:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible{outline:3px solid rgba(166,90,58,.40);outline-offset:2px}.rock-tabs{height:38px;position:fixed;top:78px;left:0;right:0;z-index:78;background:#F7F3EB;border-bottom:1px solid rgba(62,59,54,.16)}.rock-tabs-inner{height:38px;display:flex;align-items:center;justify-content:center;gap:6px}.rock-tabs a{display:inline-flex;align-items:center;justify-content:center;height:30px;padding:0 16px;border-radius:8px;color:#3E3B36;text-decoration:none;font-size:13px}.rock-tabs a.active{background:#3E3B36;color:#F7F3EB}.site-main{padding-top:132px;min-height:70vh}.section{padding:34px 0}.section-tight{padding:22px 0}.surface{background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:12px;box-shadow:0 12px 28px rgba(44,42,38,.08)}.soft-surface{background:#EFEBE3;border:1px solid rgba(62,59,54,.16);border-radius:10px}.deep-surface{background:#3E3B36;color:#F7F3EB;border-radius:12px}.terracotta-surface{background:#A65A3A;color:#F7F3EB;border-radius:12px}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:#2C2A26;margin-bottom:14px}h2{font-size:20px;line-height:1.4;color:#2C2A26;margin-bottom:14px}h3{font-size:16px;line-height:1.45;color:#2C2A26;margin-bottom:8px}.deep-surface h2,.deep-surface h3,.terracotta-surface h2,.terracotta-surface h3{color:#F7F3EB}p{margin-bottom:12px}.muted{color:#6B675E}.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#8A8478;margin-bottom:8px}.hero-intro{padding:36px 0 28px}.hero-intro-box{padding:30px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:end}.hero-copy{max-width:760px}.hero-copy .lead{font-size:18px;color:#2C2A26;margin-bottom:12px}.hero-mark{width:72px;height:72px;display:flex;align-items:center;justify-content:center;background:#EFEBE3;border-radius:50%;border:1px solid rgba(62,59,54,.16)}.hero-mark img{max-width:56px;max-height:56px;object-fit:contain}.two-feature{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature-card{padding:18px}.image-slot{display:flex;align-items:center;justify-content:center;overflow:hidden;background:#EFEBE3;border:1px solid rgba(62,59,54,.16);border-radius:10px}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-168{height:168px}.slot-190{height:190px}.slot-220{height:220px}.slot-app{height:min(340px,55vw);min-height:220px}.feature-card .image-slot{margin-bottom:14px}.number-strips{display:grid;gap:10px;margin-top:16px}.number-strip{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;padding:14px 16px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px}.number-strip .mark{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:#3E3B36;color:#F7F3EB;font-weight:700}.notebook-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-panel{padding:22px}.note-list{margin:0;padding-left:20px}.note-list li{margin:8px 0}.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.shelf-cell{padding:18px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:9px;min-height:130px}.ordinal-list{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.ordinal-item{padding:18px 14px;background:#3E3B36;color:#F7F3EB;border-radius:10px}.ordinal-item strong{display:block;font-size:20px;margin-bottom:8px}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative}.timeline:before{content:"";position:absolute;left:8%;right:8%;top:26px;height:1px;background:#8A8478}.timeline-node{position:relative;padding-top:0;text-align:center}.timeline-dot{width:52px;height:52px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#A65A3A;color:#F7F3EB;position:relative;z-index:1;font-size:13px}.timeline-card{padding:16px;min-height:140px;background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px}.app-showcase{display:grid;gap:18px}.app-copy{padding:24px}.app-visual{padding:18px;display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start}.icon-slot{width:48px;height:48px;border-radius:10px;background:#EFEBE3;display:flex;align-items:center;justify-content:center}.icon-slot img{width:48px;height:48px;object-fit:contain}.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-mini details,.faq-list details{background:#F6F3ED;border:1px solid rgba(62,59,54,.16);border-radius:10px;padding:14px 16px}.faq-mini summary,.faq-list summary{cursor:pointer;color:#2C2A26;font-weight:700}.faq-mini p,.faq-list p{margin:10px 0 0}.page-head{padding:32px 0 18px}.page-head .head-box{padding:26px}.page-head p{max-width:820px}.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:center}.observation-directory{display:grid;grid-template-columns:220px 1fr;gap:18px}.directory-index{padding:18px;position:sticky;top:132px;align-self:start}.directory-index a{display:block;padding:8px 10px;border-radius:8px;color:#3E3B36;text-decoration:none}.directory-index a:hover{background:#EFEBE3}.directory-content{display:grid;gap:14px}.directory-section{padding:22px}.card-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.wall-card{padding:20px}.memo-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.memo-column{display:grid;gap:14px}.memo-card{padding:20px;border-left:4px solid #A65A3A}.ordinal-editorial{display:grid;gap:12px}.ordinal-editorial article{display:grid;grid-template-columns:72px 1fr;gap:16px;padding:18px}.ordinal-editorial .big-mark{font-size:28px;color:#A65A3A;font-weight:800}.memo-checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.check-card{padding:20px}.check-card ul{margin:0;padding-left:20px}.method-flow{display:grid;gap:16px}.method-step{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:20px}.method-label{font-weight:800;color:#A65A3A}.theme-list{display:grid;gap:12px}.theme-row{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:18px;align-items:start}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.service-card{padding:20px}.legal-sections{display:grid;gap:14px}.legal-sections section{padding:22px}.help-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-card{padding:20px}.contact-list{display:grid;gap:12px}.contact-item{padding:20px;display:grid;grid-template-columns:180px 1fr;gap:14px}.about-principles{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.about-principles article{padding:20px}.site-footer{background:#2A2824;color:#E8E4DC;margin-top:36px;padding:34px 0 calc(28px + env(safe-area-inset-bottom));border-top:1px solid #C8C2B6;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:20px}.footer-grid h2{font-size:13px;color:#F7F3EB;margin-bottom:8px}.footer-grid a{display:block;color:#E8E4DC;text-decoration:none;padding:4px 0}.footer-brand{display:flex;flex-direction:column;gap:5px}.footer-logo-slot{height:26px;display:flex;align-items:center}.footer-note{margin-top:22px;padding-top:16px;border-top:1px solid rgba(232,228,220,.18);color:#C8C2B6}.page-overlay{position:fixed;inset:0;background:rgba(42,40,36,.46);z-index:90;opacity:0;pointer-events:none;transition:.2s}.page-overlay.active{opacity:1;pointer-events:auto}.rock-drawer{position:fixed;left:0;top:0;bottom:0;z-index:100;width:380px;max-width:88vw;background:#F6F3ED;color:#3A372F;transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow-y:auto;padding:16px}.rock-drawer.active{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid rgba(62,59,54,.16)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand strong,.drawer-brand span{display:block}.drawer-brand span{font-size:11px;color:#6B675E}.icon-button{min-height:44px;padding:0 14px;border-radius:9px;background:#F7F3EB;color:#3E3B36;border:1px solid rgba(166,90,58,.40);cursor:pointer}.drawer-section{padding:14px 0;border-bottom:1px solid rgba(62,59,54,.12)}.drawer-section h2{font-size:13px;margin-bottom:6px;color:#8A8478}.drawer-section a{display:block;text-decoration:none;color:#3A372F;padding:9px 10px;border-radius:8px}.drawer-section a:hover{background:#EFEBE3}.drawer-section a strong,.drawer-section a span{display:block}.drawer-section a span{font-size:12px;color:#6B675E}.search-layer{position:fixed;top:116px;left:0;right:0;z-index:95;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.2s}.search-layer.active{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:#E8E4DC;border:1px solid rgba(62,59,54,.16);border-radius:0 0 12px 12px;box-shadow:0 12px 28px rgba(44,42,38,.12);padding:18px}.search-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.search-head strong,.search-head span{display:block}.search-head span{font-size:13px;color:#6B675E}.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;background:#F7F3EB;color:#3E3B36;border:1px solid rgba(166,90,58,.40);border-radius:9px;text-decoration:none}.mobile-bottom{display:none}.brand-image-slot:empty{display:none}.brand-image-slot:empty+.brand-fallback{display:inline}.brand-image-slot:not(:empty)+.brand-fallback{display:none}
@media(max-width:860px){.page-head-grid{grid-template-columns:1fr}.page-head-grid .image-slot{max-width:540px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.service-grid{grid-template-columns:1fr 1fr}.ordinal-list{grid-template-columns:repeat(3,1fr)}.shelf-grid{grid-template-columns:repeat(2,1fr)}.observation-directory{grid-template-columns:1fr}.directory-index{position:static;display:flex;flex-wrap:wrap;gap:6px}.directory-index a{background:#EFEBE3}.contact-item{grid-template-columns:1fr}.theme-row{grid-template-columns:130px 1fr}}
@media(max-width:720px){.rock-tabs{display:none}.site-main{padding-top:94px;padding-bottom:64px}.wrap{width:min(100% - 32px,1080px)}.rock-bar{top:22px}.brand-fallback{font-size:15px}.rock-actions{gap:6px}.rock-actions .secondary-button,.rock-actions .primary-button{padding:0 11px;min-height:44px}.hero-intro{padding-top:26px}.hero-intro-box{grid-template-columns:1fr;padding:22px}.hero-mark{width:58px;height:58px}.two-feature,.notebook-grid,.memo-columns,.card-wall,.faq-mini,.help-matrix,.about-principles,.memo-checklist{grid-template-columns:1fr}.shelf-grid{grid-template-columns:1fr 1fr}.ordinal-list{grid-template-columns:1fr}.timeline{grid-template-columns:1fr}.timeline:before{display:none}.timeline-node{text-align:left;display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:start}.timeline-dot{margin:0}.app-visual{grid-template-columns:1fr}.slot-app{height:320px}.service-grid{grid-template-columns:1fr}.method-step,.theme-row{grid-template-columns:1fr}.page-head{padding-top:24px}.footer-grid{grid-template-columns:1fr 1fr}.search-layer{top:22px;bottom:0;background:#3E3B36;padding-top:64px}.search-layer.active{transform:none}.search-card{width:100%;height:100%;margin:0;background:#3E3B36;color:#F7F3EB;border:0;border-radius:0;box-shadow:none}.search-head span{color:#E8E4DC}.search-head strong{color:#F7F3EB}.search-presets{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#F7F3EB;border-top:1px solid rgba(62,59,54,.16)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#3E3B36;text-decoration:none;font-size:12px;min-height:48px}.mobile-bottom a.active{background:#A65A3A;color:#F7F3EB}.site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.footer-grid{gap:18px 12px}.slot-220{height:180px}}
@media(max-width:420px){.stone-line-inner{font-size:11px}.brand-fallback{max-width:110px;overflow:hidden;text-overflow:ellipsis}.shelf-grid{grid-template-columns:1fr}.search-presets{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.number-strip{grid-template-columns:48px 1fr}.contact-item{padding:16px}}
