:root{
--bg:#E8E4DC;--deep:#D6D0C6;--paper:#F6F3ED;--paper2:#EFEBE3;--title:#2C2A26;--text:#3A372F;--muted:#6B675E;--soft:#8A8478;--rock:#6B675E;--dark:#3E3B36;--light:#C8C2B6;--cream:#F7F3EB;--moss:#6A7A58;--clay:#A65A3A;--border:rgba(62,59,54,.16);--focus: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:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}.skip-link{position:fixed;left:12px;top:-80px;z-index:200;background:var(--cream);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.stone-line{position:fixed;left:0;right:0;top:0;height:22px;background:var(--dark);color:var(--cream);z-index:90;font-size:12px}.stone-line-inner,.rock-bar-inner,.rock-tags-inner,.footer-inner{width:min(var(--max),calc(100% - 32px));margin:auto}.stone-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between;gap:12px}.plain-action{border:0;background:transparent;color:var(--cream);height:22px;cursor:pointer;padding:0 4px}.rock-bar{position:fixed;left:0;right:0;top:22px;height:56px;background:var(--deep);border-bottom:1px solid var(--border);z-index:89}.rock-bar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:14px}.brand-home{display:flex;align-items:center;min-width:0;font-size:16px;font-weight:700;color:var(--dark)}.brand-home img{height:26px;width:auto;object-fit:contain;object-position:center}.rock-actions{display:flex;gap:8px;align-items:center}.primary-button,.secondary-button{min-height:40px;padding:0 16px;border-radius:9px;font-size:14px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}.primary-button{border:0;background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:var(--cream)}.secondary-button{border:1px solid var(--clay);background:var(--cream);color:var(--dark);cursor:pointer}.compact{height:40px}.primary-button:hover,.secondary-button:hover,.plain-action:hover,.rock-tags a:hover,.mobile-bottom a:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.rock-tags{position:fixed;left:0;right:0;top:78px;height:38px;background:var(--cream);border-bottom:1px solid var(--border);z-index:88}.rock-tags-inner{height:38px;display:flex;align-items:center;justify-content:center;gap:8px}.rock-tags a{height:30px;display:flex;align-items:center;padding:0 18px;border-radius:8px;font-size:13px;color:var(--dark)}.rock-tags a.is-current{background:var(--dark);color:var(--cream)}.site-main{padding:142px 16px 56px;min-height:72vh}.page-wrap{width:min(var(--max),100%);margin:0 auto}.page-head{margin-bottom:24px}.page-head .eyebrow{font-size:13px;color:var(--clay);font-weight:700;letter-spacing:.08em}.page-head h1,.hero-intro h1{font-size:24px;line-height:1.3;margin:6px 0 10px;color:var(--title)}h2{font-size:20px;line-height:1.35;color:var(--title)}h3{font-size:16px;color:var(--title)}p{margin:0 0 14px}.lead{max-width:780px;color:var(--muted)}.section-block{margin:30px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:14px}.section-heading p{max-width:650px;color:var(--muted);margin:0}.media-slot{background:var(--paper2);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}.media-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-340{height:340px}.slot-brand{height:210px}.hero-intro{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:26px;box-shadow:var(--shadow)}.hero-intro .slogan{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:8px}.hero-intro p{max-width:810px}.hero-actions{margin-top:18px}.dual-feature{display:grid;grid-template-columns:1fr 1fr;gap:16px}.feature-panel{background:var(--paper);border:1px solid var(--border);border-radius:11px;padding:16px}.feature-panel h2{margin:14px 0 7px}.feature-panel p{margin-bottom:0}.numbered-strip{display:grid;gap:10px}.numbered-strip article{display:grid;grid-template-columns:52px minmax(0,1fr);gap:14px;align-items:start;background:var(--paper);border:1px solid var(--border);border-radius:9px;padding:14px}.numbered-strip .mark{width:42px;height:42px;border-radius:8px;background:var(--dark);color:var(--cream);display:flex;align-items:center;justify-content:center;font-weight:700}.numbered-strip h3{margin:0 0 4px}.numbered-strip p{margin:0}.note-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.note-columns article{background:var(--paper);border-left:4px solid var(--moss);padding:18px;border-radius:8px}.note-columns article:nth-child(2){border-left-color:var(--clay)}.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--paper)}.shelf-grid article{padding:18px;min-height:150px;border-right:1px solid var(--border)}.shelf-grid article:last-child{border-right:0}.shelf-grid h3{margin:0 0 7px}.letter-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}.letter-flow article{background:var(--paper);border:1px solid var(--border);border-radius:9px;padding:14px}.letter-flow b{display:inline-flex;width:36px;height:36px;border-radius:50%;align-items:center;justify-content:center;background:var(--deep);color:var(--dark);margin-bottom:8px}.timeline{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}.timeline article{min-width:210px;flex:1;background:var(--paper);border:1px solid var(--border);border-radius:9px;padding:15px;position:relative}.status{display:inline-flex;padding:3px 8px;border-radius:999px;background:var(--deep);color:var(--dark);font-size:12px;font-weight:700}.app-block{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:22px}.app-copy{max-width:850px;margin-bottom:14px}.app-visuals{display:grid;grid-template-columns:minmax(0,2fr) minmax(120px,1fr);gap:14px}.icon-slot{height:120px}.read-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}.read-grid article,.faq-mini,.brand-story{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}.faq-mini{display:grid;gap:12px}.faq-mini article{border-bottom:1px solid var(--border);padding-bottom:10px}.faq-mini article:last-child{border-bottom:0;padding-bottom:0}.faq-mini h3{margin:0 0 5px}.brand-story{border-top:4px solid var(--clay)}
/* 内页版式 */
.strip-list{display:grid;gap:12px}.strip-list article{display:grid;grid-template-columns:72px 1fr;gap:18px;background:var(--paper);border:1px solid var(--border);padding:17px;border-radius:10px}.strip-list .strip-key{font-size:18px;font-weight:700;color:var(--clay)}.observe-directory{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--border);background:var(--paper);border-radius:10px;overflow:hidden}.observe-directory article{padding:20px;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}.observe-directory article:nth-child(2n){border-right:0}.observe-directory article:last-child{grid-column:1/-1;border-bottom:0}.card-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card-wall article{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px;min-height:220px}.card-wall article:nth-child(2){transform:translateY(18px)}.card-wall article:nth-child(5){grid-column:2/4}.memo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.memo-column{display:grid;gap:14px}.memo-column article{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}.memo-column:first-child article{border-top:3px solid var(--moss)}.memo-column:last-child article{border-top:3px solid var(--clay)}.letter-page{display:grid;gap:12px}.letter-page article{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px;display:grid;grid-template-columns:58px 1fr;gap:16px}.letter-page .big-letter{font-size:28px;font-weight:800;color:var(--clay)}.timeline-page{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.timeline-page:before{content:"";position:absolute;top:18px;left:7%;right:7%;height:2px;background:var(--light)}.timeline-page article{position:relative;background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:32px 16px 18px}.timeline-page article:before{content:"";position:absolute;top:12px;left:16px;width:12px;height:12px;border-radius:50%;background:var(--clay);box-shadow:0 0 0 5px var(--paper)}.checklist{display:grid;gap:12px;counter-reset:item}.checklist article{counter-increment:item;background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px 18px 18px 58px;position:relative}.checklist article:before{content:"✓";position:absolute;left:18px;top:18px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--moss);color:var(--cream);font-weight:700}.method-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.method-steps article{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}.method-steps .step{font-weight:800;color:var(--clay);font-size:13px}.theme-list{display:grid;gap:0;border-radius:10px;overflow:hidden;border:1px solid var(--border)}.theme-list article{display:grid;grid-template-columns:180px 1fr;gap:18px;background:var(--paper);padding:18px;border-bottom:1px solid var(--border)}.theme-list article:last-child{border-bottom:0}.theme-list h2{margin:0}.shelf-page{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.shelf-page section{background:var(--paper);border:1px solid var(--border);border-radius:10px;overflow:hidden}.shelf-page h2{margin:0;background:var(--deep);padding:13px 16px}.shelf-page article{padding:15px 16px;border-top:1px solid var(--border)}.product-flow{display:grid;gap:18px}.product-flow section{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:start;background:var(--paper);border:1px solid var(--border);border-radius:11px;padding:18px}.product-flow section:nth-child(even){grid-template-columns:1fr 220px}.product-flow section:nth-child(even) .product-index{order:2}.product-index{background:var(--deep);padding:15px;border-radius:9px;font-weight:700}.clauses{display:grid;gap:14px}.clauses section{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px}.clauses section h2{margin-top:0}.help-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-paths article{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px}.help-paths article:nth-child(5){grid-column:1/-1}.faq-list{display:grid;gap:10px}.faq-list details{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:0 16px}.faq-list summary{cursor:pointer;font-weight:700;padding:15px 0;color:var(--title)}.faq-list p{padding:0 0 16px;margin:0}.contact-path{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-path article{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px}.manifesto{display:grid;gap:14px}.manifesto section{background:var(--paper);border-left:5px solid var(--clay);padding:20px;border-radius:8px}.manifesto section:nth-child(even){border-left-color:var(--moss)}.banner-head{margin:0 0 22px}.site-footer{background:#2A2824;color:#E8E4DC;border-top:1px solid var(--light);font-size:13px;padding:34px 0 78px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-brand img{height:26px;width:auto;object-fit:contain}.footer-brand strong{display:block;font-size:16px;color:var(--cream)}.footer-brand span{display:block;color:var(--light);font-size:11px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h2{font-size:13px;color:var(--cream);margin:0 0 8px}.footer-grid a{display:block;color:var(--light);padding:3px 0}.footer-note{margin:24px 0 8px;color:var(--light);max-width:920px}.copyright{color:var(--light);margin:0}.overlay{position:fixed;inset:0;background:rgba(44,42,38,.48);z-index:110;opacity:0;pointer-events:none;transition:.2s}.overlay.active{opacity:1;pointer-events:auto}.rock-drawer{position:fixed;left:0;top:0;bottom:0;width:380px;max-width:88vw;background:var(--cream);z-index:120;transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.rock-drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:66px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:26px;width:auto;object-fit:contain}.drawer-close,.search-head button{min-width:60px;min-height:40px;border:1px solid var(--border);border-radius:8px;background:var(--paper);color:var(--dark);cursor:pointer}.drawer-scroll{height:calc(100% - 66px);overflow:auto;padding:14px 16px 24px}.drawer-scroll section{margin-bottom:18px}.drawer-scroll h2{font-size:13px;margin:0 0 6px;color:var(--clay)}.drawer-scroll a{display:block;border-top:1px solid var(--border);padding:9px 2px}.drawer-scroll b{display:block}.drawer-scroll span{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:2px}.search-layer{position:fixed;left:0;right:0;top:116px;z-index:119;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.2s}.search-layer.open{visibility:visible;pointer-events:auto;transform:none;opacity:1}.search-card{width:min(720px,calc(100% - 32px));margin:0 auto;background:var(--deep);border:1px solid var(--border);border-radius:0 0 12px 12px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.search-card p{color:var(--muted)}.search-presets{display:flex;flex-wrap:wrap;gap:8px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 14px;background:var(--cream);border:1px solid var(--border);border-radius:8px}.mobile-bottom{display:none}
@media (max-width:800px){.rock-tags{display:none}.site-main{padding-top:96px;padding-bottom:82px}.dual-feature,.note-columns,.read-grid,.observe-directory,.memo-grid,.method-steps,.contact-path,.help-paths{grid-template-columns:1fr}.observe-directory article{border-right:0}.observe-directory article:last-child{grid-column:auto}.card-wall{grid-template-columns:1fr 1fr}.card-wall article:nth-child(2){transform:none}.card-wall article:nth-child(5){grid-column:1/-1}.shelf-grid{grid-template-columns:1fr 1fr}.shelf-grid article{border-right:0;border-bottom:1px solid var(--border)}.shelf-grid article:nth-last-child(-n+2){border-bottom:0}.letter-flow{grid-template-columns:1fr 1fr}.letter-flow article:last-child{grid-column:1/-1}.timeline-page{grid-template-columns:1fr 1fr}.timeline-page:before{display:none}.theme-list article{grid-template-columns:1fr}.shelf-page{grid-template-columns:1fr 1fr}.product-flow section,.product-flow section:nth-child(even){grid-template-columns:1fr}.product-flow section:nth-child(even) .product-index{order:0}.footer-grid{grid-template-columns:1fr 1fr}.search-layer{top:0;bottom:0;background:var(--dark);padding:88px 16px 16px}.search-card{width:100%;background:var(--dark);color:var(--cream);border:1px solid rgba(247,243,235,.2);border-radius:12px}.search-card strong{color:var(--cream)}.search-card p{color:var(--light)}.search-head button{background:transparent;color:var(--cream);border-color:rgba(247,243,235,.3)}.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(--cream);border-top:1px solid var(--border);z-index:100;display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;min-height:48px}.mobile-bottom a.is-current{background:var(--clay);color:var(--cream)}.site-footer{padding-bottom:96px}.app-visuals{grid-template-columns:1fr}.slot-340{height:300px}}
@media (max-width:560px){.stone-line-inner,.rock-bar-inner,.footer-inner{width:calc(100% - 32px)}.stone-line-inner span{max-width:76%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rock-actions{gap:6px}.primary-button,.secondary-button{padding:0 12px}.hero-intro{padding:20px}.numbered-strip article,.strip-list article,.letter-page article{grid-template-columns:1fr}.shelf-grid,.letter-flow,.card-wall,.timeline-page,.shelf-page{grid-template-columns:1fr}.shelf-grid article,.shelf-grid article:nth-last-child(-n+2){border-bottom:1px solid var(--border)}.shelf-grid article:last-child{border-bottom:0}.letter-flow article:last-child{grid-column:auto}.card-wall article:nth-child(5){grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.slot-220{height:190px}.slot-340{height:280px}}