:root{--bg:#E8E4DC;--deep:#D6D0C6;--card:#F6F3ED;--sub:#EFEBE3;--title:#2C2A26;--text:#3A372F;--muted:#6B675E;--soft:#8A8478;--rock:#6B675E;--dark:#3E3B36;--light:#C8C2B6;--warm:#F7F3EB;--moss:#6A7A58;--clay:#A65A3A;--line:rgba(62,59,54,.16);--focus: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","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block;object-fit:contain;object-position:center}.lock-scroll{overflow:hidden}.stone-line{position:fixed;top:0;left:0;right:0;height:22px;background:var(--dark);color:var(--warm);z-index:60;font-size:12px}.top-inner,.bar-inner,.tabs-inner,.site-main,.footer-inner{max-width:1080px;margin:0 auto}.top-inner{height:22px;display:flex;align-items:center;justify-content:space-between;padding:0 16px}.plain-button{border:0;background:transparent;color:inherit;min-height:44px;padding:0 10px}.stone-line .plain-button{min-height:22px;padding:0 2px;color:var(--warm)}.rock-bar{position:fixed;top:22px;left:0;right:0;height:56px;background:var(--bg);border-bottom:1px solid var(--line);z-index:59}.bar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 16px}.brand-link{display:flex;align-items:center;min-height:44px}.brand-logo,.footer-logo{height:26px;width:auto}.brand-text{font-size:16px;font-weight:700;color:var(--title)}.bar-actions{display:flex;gap:8px;align-items:center}.primary-button,.secondary-button{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:9px;border:1px solid transparent;font-size:14px;white-space:nowrap}.primary-button{background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:var(--warm)}.secondary-button{background:var(--warm);border-color:var(--clay);color:var(--dark)}.compact{height:40px}.primary-button:hover,.primary-button:focus-visible{filter:brightness(.94)}.secondary-button:hover,.secondary-button:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.rock-tabs{position:fixed;top:78px;left:0;right:0;height:38px;background:var(--warm);border-bottom:1px solid var(--line);z-index:58}.tabs-inner{height:38px;display:flex;align-items:center;justify-content:center;gap:8px}.rock-tabs a{height:30px;min-width:72px;padding:4px 14px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:13px;color:var(--dark)}.rock-tabs a.active{background:var(--dark);color:var(--warm)}.site-main{padding:148px 16px 72px;min-height:70vh}.page-hero{padding:30px 0 22px;border-bottom:1px solid var(--line)}.eyebrow{font-size:13px;color:var(--clay);letter-spacing:.12em}.page-hero h1,.intro h1{font-size:24px;line-height:1.3;margin:6px 0 12px;color:var(--title)}h2{font-size:20px;line-height:1.4;color:var(--title);margin:0 0 14px}h3{font-size:16px;line-height:1.5;color:var(--title);margin:0 0 8px}p{margin:0 0 14px}.lead{font-size:16px;max-width:760px}.muted{color:var(--muted)}.section{padding:32px 0;border-bottom:1px solid var(--line)}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:20px}.intro{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px}.intro .slogan{font-size:20px;color:var(--dark);font-weight:700}.hero-action{margin-top:20px}.two-feature{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature-column{background:var(--sub);border-radius:10px;padding:18px}.media-slot{height:168px;background:var(--warm);border:1px solid var(--line);border-radius:9px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin:0 0 14px}.media-slot img{width:100%;height:100%;object-fit:contain}.media-slot.tall{height:320px}.media-slot.banner{height:220px}.media-slot.shikan{height:190px}.number-strips{display:grid;gap:10px}.number-strip{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:9px;padding:16px}.cn-index{width:42px;height:42px;border-radius:8px;background:var(--dark);color:var(--warm);display:flex;align-items:center;justify-content:center;font-weight:700}.note-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-block{background:var(--sub);border-left:4px solid var(--moss);padding:18px;border-radius:8px}.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.shelf-cell{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;min-height:150px}.letter-list{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.letter-item{background:var(--dark);color:var(--warm);border-radius:9px;padding:16px}.letter-item h3{color:var(--warm)}.timeline{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}.timeline-item{min-width:200px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}.status{display:inline-flex;padding:3px 10px;border-radius:999px;background:var(--deep);color:var(--dark);font-size:12px}.status.done{background:#dfe4d8;color:#4f5d43}.status.work{background:#e8ded4;color:#7c4b37}.app-block{display:grid;gap:18px}.app-icons{display:flex;align-items:center;gap:14px}.app-icon-slot{width:64px;height:64px;background:var(--warm);border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center}.app-icon-slot img{width:48px;height:48px}.detail-list{display:grid;gap:14px}.detail-row{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px}.observe-directory{display:grid;grid-template-columns:180px 1fr;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card)}.observe-directory .labels{background:var(--dark);color:var(--warm);padding:18px}.observe-directory .labels a{display:block;padding:10px 0;border-bottom:1px solid rgba(247,243,235,.18)}.observe-directory .content{padding:22px}.card-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.wall-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}.memo-list{display:grid;gap:12px}.memo-item{background:var(--warm);border:1px solid var(--line);border-radius:10px;padding:18px}.method-steps{counter-reset:step;display:grid;gap:14px}.method-step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 18px 18px 64px}.method-step:before{counter-increment:step;content:counter(step, cjk-ideographic);position:absolute;left:18px;top:18px;width:32px;height:32px;border-radius:50%;background:var(--moss);color:var(--warm);display:flex;align-items:center;justify-content:center}.theme-list{display:grid;gap:12px}.theme-item{display:grid;grid-template-columns:150px 1fr;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px}.policy-sections{display:grid;gap:16px}.policy-section{background:var(--card);border-top:4px solid var(--clay);border-radius:10px;padding:20px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}.site-footer{background:#2A2824;color:#E8E4DC;border-top:1px solid rgba(200,194,182,.25);font-size:13px}.footer-inner{padding:34px 16px 80px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{font-size:16px}.footer-brand span{color:#C8C2B6}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-grid h3{color:#F7F3EB;font-size:14px}.footer-grid a{display:block;color:#E8E4DC;padding:4px 0}.footer-note{margin-top:24px;color:#D6D0C6}.copyright{color:#C8C2B6}.overlay{position:fixed;inset:0;background:rgba(42,40,36,.46);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;z-index:90}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.rock-drawer{position:fixed;top:0;bottom:0;left:0;width:380px;max-width:88vw;background:var(--warm);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;z-index:100;overflow-y:auto}.rock-drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:var(--warm);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px 16px;z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:26px;width:auto}.drawer-groups{padding:10px 16px 24px}.drawer-groups section{padding:14px 0;border-bottom:1px solid var(--line)}.drawer-groups section>a{display:grid;grid-template-columns:72px 1fr;gap:10px;padding:9px 0}.drawer-groups b{color:var(--title)}.drawer-groups span{color:var(--muted);font-size:13px}.search-panel{position:fixed;top:78px;left:0;right:0;z-index:99;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{max-width:900px;margin:0 auto;background:var(--deep);border:1px solid var(--line);border-radius:0 0 12px 12px;padding:20px}.search-head{display:flex;justify-content:space-between;align-items:center}.preset-links{display:flex;flex-wrap:wrap;gap:10px}.preset-links a{min-height:44px;padding:10px 16px;background:var(--warm);border:1px solid var(--clay);border-radius:8px;color:var(--dark)}.mobile-nav{display:none}
@media (max-width:760px){.rock-tabs{display:none}.site-main{padding:112px 16px 88px}.two-feature,.note-columns,.card-wall,.contact-grid{grid-template-columns:1fr}.shelf-grid{grid-template-columns:1fr 1fr}.letter-list{grid-template-columns:1fr}.observe-directory{grid-template-columns:1fr}.observe-directory .labels{display:flex;gap:12px;overflow-x:auto}.observe-directory .labels a{white-space:nowrap;border-bottom:0}.theme-item{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.search-panel{top:0;bottom:0;background:var(--dark);padding:18px}.search-card{height:100%;max-width:none;background:var(--dark);color:var(--warm);border:0;border-radius:0;padding:16px}.search-head h2{color:var(--warm)}.search-card p{color:var(--warm)}.preset-links a{background:var(--warm);color:var(--dark)}.mobile-nav{position:fixed;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:var(--warm);border-top:1px solid var(--line);z-index:70}.mobile-nav a{display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-nav a.active{background:var(--clay);color:var(--warm)}.footer-inner{padding-bottom:110px}.bar-actions{gap:6px}.secondary-button,.primary-button.compact{padding:0 12px}.shelf-grid{gap:10px}}
@media (max-width:420px){.top-inner{padding:0 12px}.bar-inner{padding:0 12px}.site-main{padding-left:16px;padding-right:16px}.shelf-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.intro{padding:22px}.number-strip{grid-template-columns:46px 1fr}}