:root{--bg:#E8E4DC;--deep-bg:#D6D0C6;--paper:#F6F3ED;--sub:#EFEBE3;--title:#2C2A26;--text:#3A372F;--muted:#6B675E;--aux:#8A8478;--rock:#6B675E;--rock-deep:#3E3B36;--rock-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);--radius:10px;--shell:1080px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,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}.shell{width:min(calc(100% - 32px),var(--shell));margin:0 auto}.top-stack{position:fixed;top:0;left:0;right:0;z-index:60;box-shadow:0 6px 16px rgba(44,42,38,.05)}.stone-line{height:22px;background:var(--rock-deep);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 8px;min-height:22px}.rock-bar{height:56px;background:var(--deep-bg);border-bottom:1px solid var(--line)}.rock-bar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{display:flex;align-items:center;min-height:44px;min-width:120px}.brand-logo,.footer-logo,.drawer-logo{height:26px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-text{font-size:16px;font-weight:700;color:var(--rock-deep)}.rock-actions{display:flex;align-items:center;gap:8px}.rock-drawer-button,.app-link,.btn,.close-button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:9px;font-size:14px;white-space:nowrap}.rock-drawer-button,.btn-primary{border:1px solid transparent;background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:var(--warm)}.app-link,.btn-secondary{background:var(--warm);border:1px solid var(--clay);color:var(--rock-deep)}.close-button{border:1px solid var(--line);background:var(--warm);color:var(--rock-deep)}.rock-tabs{height:38px;background:var(--warm);border-bottom:1px solid var(--line)}.rock-tabs-inner{height:38px;display:flex;align-items:center;justify-content:center;gap:8px}.rock-tabs a{display:flex;align-items:center;height:30px;padding:0 16px;border-radius:7px;font-size:13px;color:var(--rock-deep)}.rock-tabs a.is-active{background:var(--rock-deep);color:var(--warm)}.site-main{padding-top:132px}.page-section{padding:46px 0}.page-section.compact{padding:32px 0}.paper{background:var(--paper)}.subtle{background:var(--sub)}.deep-block{background:var(--rock-deep);color:var(--warm)}.deep-block h2,.deep-block h3,.deep-block p{color:inherit}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--clay);font-weight:700}.hero{padding:58px 0 48px}.hero h1,.page-hero h1{margin:8px 0 14px;font-size:24px;line-height:1.3;color:var(--title)}h2{font-size:20px;line-height:1.35;color:var(--title);margin:0 0 16px}h3{font-size:16px;line-height:1.4;color:var(--title);margin:0 0 10px}p{margin:0 0 14px}.lead{max-width:760px;color:var(--text)}.hero-actions{margin-top:22px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head p{color:var(--muted);max-width:640px;margin:0}.dual-feature{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.image-slot{display:flex;align-items:center;justify-content:center;background:var(--warm);border:1px solid var(--line);border-radius:10px;overflow:hidden}.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-340{height:min(340px,60vw)}.slot-120{height:120px}.number-strip{display:grid;gap:10px}.number-item{display:grid;grid-template-columns:70px 1fr;gap:16px;align-items:start;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.number-mark{width:54px;height:54px;border-radius:10px;background:var(--rock-deep);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-card{background:var(--warm);border:1px solid var(--line);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(--paper);border:1px solid var(--line);border-bottom:4px solid var(--rock-light);border-radius:9px;padding:18px;min-height:150px}.cn-rank{display:grid;gap:10px}.cn-row{display:grid;grid-template-columns:64px 1fr;gap:14px;padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-radius:9px}.cn-row strong:first-child{color:var(--clay);font-size:18px}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative}.timeline:before{content:"";position:absolute;left:5%;right:5%;top:26px;height:2px;background:var(--rock-light)}.time-node{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:44px 18px 18px}.time-node:before{content:"";position:absolute;top:19px;left:18px;width:14px;height:14px;border-radius:50%;background:var(--clay);box-shadow:0 0 0 6px var(--warm)}.time-status{display:inline-flex;padding:2px 8px;border-radius:999px;background:var(--deep-bg);color:var(--rock-deep);font-size:12px}.app-stack{display:grid;gap:18px}.app-copy{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:22px}.app-visual{display:grid;grid-template-columns:1fr 90px;gap:16px;align-items:end}.icon-slot{height:90px}.quick-points{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick-point{padding:16px;background:var(--paper);border:1px solid var(--line);border-radius:9px}.faq-preview{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-preview details,.faq-list details{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.faq-preview summary,.faq-list summary{font-weight:700;color:var(--title);cursor:pointer}.faq-preview details p,.faq-list details p{margin:10px 0 0;color:var(--text)}.page-hero{padding:44px 0 30px}.page-hero .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,420px);gap:24px;align-items:center}.page-intro{max-width:760px;color:var(--muted)}.observation-list{display:grid;gap:14px}.observation-item{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.observation-item:last-child{border-bottom:0}.observation-label{font-weight:700;color:var(--rock-deep);font-size:16px}.card-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.wall-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px;min-height:210px}.memo-list{display:grid;gap:12px}.memo-item{background:var(--warm);border:1px solid var(--line);border-radius:10px;padding:18px 18px 18px 48px;position:relative}.memo-item:before{content:"";position:absolute;left:18px;top:25px;width:10px;height:10px;border-radius:50%;background:var(--moss)}.method-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.method-step{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--clay);border-radius:10px;padding:18px}.theme-list{display:grid;gap:12px}.theme-row{display:grid;grid-template-columns:180px 1fr;gap:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.legal-sections{display:grid;gap:14px}.legal-section{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.product-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start}.product-points{display:grid;gap:12px}.product-point{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.help-index{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.help-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.callout{padding:18px;border:1px solid var(--accent-line);background:var(--warm);border-radius:10px}.site-footer{background:#2A2824;color:#E8E4DC;border-top:1px solid rgba(232,228,220,.14);padding:34px 0 76px;font-size:13px}.footer-brand-row{padding-bottom:20px;border-bottom:1px solid rgba(232,228,220,.14)}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand strong{display:block;font-size:16px;color:var(--warm)}.footer-brand span{display:block;color:#C8C2B6}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:24px 0}.footer-grid h2{font-size:14px;color:var(--warm);margin-bottom:8px}.footer-grid a{display:block;color:#E8E4DC;padding:3px 0}.footer-note{padding-top:18px;border-top:1px solid rgba(232,228,220,.14);color:#C8C2B6}.ui-overlay{position:fixed;inset:0;background:rgba(42,40,36,.48);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.ui-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.rock-drawer{position:fixed;z-index:90;top:0;bottom:0;left:0;width:min(380px,88vw);background:var(--paper);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow-y:auto;box-shadow:var(--shadow)}.rock-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:var(--deep-bg);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-groups{padding:8px 16px 24px}.drawer-groups section{padding:14px 0;border-bottom:1px solid var(--line)}.drawer-groups h2{font-size:14px;margin-bottom:8px}.drawer-groups a{display:block;padding:10px 8px;border-radius:8px}.drawer-groups a:hover{background:var(--sub)}.drawer-groups strong{display:block;font-size:14px}.drawer-groups span{display:block;font-size:12px;color:var(--muted)}.search-panel{position:fixed;z-index:95;top:78px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(calc(100% - 32px),720px);margin:0 auto;background:var(--deep-bg);border:1px solid var(--line);border-radius:0 0 12px 12px;padding:18px;box-shadow:var(--shadow);color:var(--rock-deep)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.search-presets{display:flex;flex-wrap:wrap;gap:8px}.search-presets a{padding:9px 14px;background:var(--warm);border:1px solid var(--line);border-radius:8px;min-height:42px}.mobile-bottom{display:none}.ui-lock{overflow:hidden!important}.btn:hover,.rock-drawer-button:hover{filter:brightness(.96)}.app-link:hover,.btn-secondary:hover,.rock-tabs a:hover,.search-presets a:hover{background:var(--sub)}a:focus-visible,button:focus-visible{outline:3px solid rgba(166,90,58,.42);outline-offset:2px}
@media (max-width:800px){.site-main{padding-top:78px}.rock-tabs{display:none}.hero{padding-top:40px}.dual-feature,.note-columns,.faq-preview,.product-layout,.contact-grid{grid-template-columns:1fr}.shelf-grid,.quick-points,.method-flow{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:1fr}.timeline:before{left:25px;right:auto;top:18px;bottom:18px;width:2px;height:auto}.time-node{padding:18px 18px 18px 52px}.time-node:before{top:26px}.page-hero .hero-grid{grid-template-columns:1fr}.card-wall{grid-template-columns:repeat(2,1fr)}.help-index{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.site-footer{padding-bottom:92px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;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);box-shadow:0 -6px 18px rgba(44,42,38,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;min-width:0}.mobile-bottom a.is-active{background:var(--clay);color:var(--warm)}.search-panel{top:0;bottom:0;background:var(--rock-deep)}.search-card{width:100%;height:100%;border-radius:0;background:var(--rock-deep);color:var(--warm);border:0;padding:22px 16px}.search-card .close-button{background:var(--warm)}.search-presets a{background:var(--warm);color:var(--rock-deep)}.observation-item,.theme-row{grid-template-columns:1fr;gap:6px}.app-visual{grid-template-columns:1fr 80px}}
@media (max-width:560px){.shell{width:min(calc(100% - 32px),var(--shell))}.stone-line-inner>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-link{min-width:0}.brand-logo{max-width:135px}.rock-actions{gap:6px}.rock-drawer-button,.app-link{padding:0 11px;min-height:44px}.shelf-grid,.quick-points,.method-flow,.card-wall,.help-index{grid-template-columns:1fr}.number-item{grid-template-columns:56px 1fr}.number-mark{width:44px;height:44px}.cn-row{grid-template-columns:52px 1fr}.footer-grid{grid-template-columns:1fr 1fr}.page-section{padding:36px 0}.page-hero{padding:34px 0 24px}.app-visual{grid-template-columns:1fr}.icon-slot{width:90px}.hero h1,.page-hero h1{font-size:24px}}

.mt-14{margin-top:14px}.mt-16{margin-top:16px}