:root{--paper:#F3E8D4;--deep:#E2D2B4;--surface:#FBF3E4;--soft:#EDE0C8;--ink:#1A140A;--text:#2C2214;--muted:#5C4A30;--faint:#7C6844;--gold:#7A5A20;--copper:#B88838;--line:rgba(26,20,10,.12);--strong:rgba(122,90,32,.50);--shadow:0 12px 28px rgba(26,20,10,.10);--radius:10px;--max:960px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-top:116px}body.locked,body.searching{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}.site-shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.utility-bar{position:fixed;z-index:80;top:0;left:0;right:0;height:20px;background:var(--ink);color:var(--copper);font-size:12px}.utility-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.plain-action{border:0;background:transparent;color:var(--copper);padding:0 4px;cursor:pointer}.brand-bar{position:fixed;z-index:80;top:20px;left:0;right:0;height:54px;background:var(--surface);border-bottom:1px solid var(--strong)}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-mark{display:flex;align-items:center;gap:8px;height:44px;font-size:16px}.brand-image{width:auto;max-width:110px;height:24px}.brand-image img{height:24px;width:auto}.brand-mark strong{font-size:16px}.brand-actions{display:flex;align-items:center;gap:8px}.brand-actions a,.brand-actions button{height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--strong);background:var(--surface);border-radius:8px;color:var(--ink);cursor:pointer}.brand-actions a:hover,.brand-actions button:hover{background:var(--soft)}
.desktop-nav{position:fixed;z-index:70;top:74px;left:0;right:0;height:42px;background:var(--surface);border-bottom:1px solid var(--line)}.nav-row{height:42px;display:flex;align-items:center;justify-content:center;gap:30px}.nav-link{height:42px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);position:relative}.nav-link span{width:8px;height:8px;border:1px solid var(--ink);border-radius:50%}.nav-link.is-current,.nav-link:hover{color:var(--ink)}.nav-link.is-current span{background:var(--copper);border-color:var(--copper)}.nav-link:focus-visible,.brand-actions a:focus-visible,.brand-actions button:focus-visible,.btn:focus-visible,.drawer a:focus-visible,.mobile-nav a:focus-visible,.search-options a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.page-content{min-height:60vh}.home-intro{padding:54px 0 44px;background:linear-gradient(180deg,var(--surface),var(--paper));border-bottom:1px solid var(--line)}.route-links{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}.route-links a{padding:8px 12px;border:1px solid var(--strong);border-radius:999px;font-size:13px;background:var(--surface)}.kicker{margin:0 0 8px;color:var(--gold);font-weight:700;font-size:12px;letter-spacing:.08em}.home-intro h1,.page-hero h1{margin:0;max-width:760px;color:var(--ink);font-size:24px;line-height:1.3}.intro-copy,.page-lead{max-width:800px;margin:18px 0 0;font-size:15px;color:var(--muted)}.action-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:8px;font-size:14px;border:1px solid var(--strong)}.btn.primary{background:linear-gradient(135deg,#1A140A 0%,#B88838 100%);color:#FBF3E4}.btn.secondary{background:var(--surface);color:var(--ink)}
.home-section{padding:46px 0;border-bottom:1px solid var(--line)}.home-section.soft{background:var(--deep)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head>div{display:flex;align-items:baseline;gap:10px}.section-head span{font-size:12px;color:var(--gold);font-weight:700}.section-head h2{margin:0;color:var(--ink);font-size:20px}.section-head>a{font-size:13px;color:var(--gold);border-bottom:1px solid var(--strong)}.media-frame{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;min-height:150px;overflow:hidden}.media-frame.wide{height:168px}.media-frame.tallish{min-height:250px}.media-frame img{width:100%;height:100%;object-fit:contain}.editorial-band{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:stretch}.editorial-copy{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.editorial-copy h3,.focus-stack h3,.lens-notes h3,.index-panels h3,.method-grid h3,.faq-preview h3,.about-card h3,.app-showcase h3{margin:0 0 8px;color:var(--ink);font-size:16px}.editorial-copy p:last-child{margin-bottom:0}.focus-stack{display:grid;grid-template-columns:.9fr 1.25fr .9fr;gap:14px}.focus-stack article,.lens-notes article,.index-panels article,.method-grid article,.faq-preview article,.about-card,.app-showcase article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.focus-stack article p,.lens-notes p,.method-grid p,.faq-preview p{margin:0}.focus-stack .with-media{padding:0;overflow:hidden}.focus-stack .with-media .media-frame{border:0;border-radius:0;height:170px}.focus-stack .with-media>div:last-child{padding:18px}.lens-layout{display:grid;grid-template-columns:.42fr .58fr;gap:18px}.lens-notes{display:grid;gap:12px}.index-panels{display:grid;grid-template-columns:1.35fr .65fr;gap:18px;align-items:stretch}.review-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.review-row article{padding:18px;border:1px solid rgba(26,20,10,.16);background:rgba(251,243,228,.75);border-radius:var(--radius)}.review-row b{color:var(--ink)}.review-row p{margin:6px 0 0}.review-media,.status-media{margin-top:14px}.status-board{display:grid;gap:10px}.status-board>div{display:grid;grid-template-columns:120px 1fr;align-items:start;padding:15px 16px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--copper);border-radius:8px}.status-board strong{color:var(--ink)}.status-board p{margin:0}.app-showcase{display:grid;grid-template-columns:.42fr .58fr;gap:20px;align-items:start}.app-art{position:relative}.app-frame{height:300px}.app-icon{position:absolute;right:16px;bottom:16px;width:64px;height:64px;background:var(--surface);border:1px solid var(--strong);border-radius:14px;padding:7px;box-shadow:var(--shadow)}.app-icon img{width:48px;height:48px}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.faq-preview{display:grid;grid-template-columns:1fr 1fr;gap:12px}.about-tease{padding-bottom:58px}.about-card{border-left:5px solid var(--copper)}
.page-hero{padding:44px 0 26px;background:linear-gradient(180deg,var(--surface),var(--paper));border-bottom:1px solid var(--line)}.page-media{height:230px;margin-top:22px}.article-page{padding:34px 0 56px}.article-flow{display:grid;gap:16px}.article-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.article-block h2{margin:0 0 12px;font-size:20px;color:var(--ink)}.article-block p{margin:0 0 12px}.article-block p:last-child{margin-bottom:0}.faq-page{padding:34px 0 58px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.faq-item h2{font-size:16px;margin:0 0 8px;color:var(--ink)}.faq-item p{margin:0}
.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--copper);padding:34px 0 68px}.footer-brand{display:flex;align-items:center;gap:10px;padding-bottom:20px;border-bottom:1px solid rgba(184,136,56,.32)}.footer-logo{height:24px;max-width:110px}.footer-logo img{height:24px;width:auto}.footer-brand strong{font-size:16px}.footer-brand span{font-size:12px;color:var(--copper)}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:22px 0}.footer-grid h2{font-size:14px;color:var(--copper);margin:0 0 8px}.footer-grid a{display:block;font-size:13px;padding:4px 0;color:var(--paper)}.footer-note{font-size:13px;color:#E2D2B4;border-top:1px solid rgba(184,136,56,.22);padding-top:16px}.footer-note p{margin:4px 0}
.page-shade{position:fixed;z-index:120;inset:0;background:rgba(26,20,10,.48);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-shade.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;z-index:130;right:18px;bottom:18px;width:min(320px,88vw);max-height:min(640px,82vh);background:var(--surface);border:1px solid var(--strong);border-radius:12px;box-shadow:var(--shadow);transform:translateY(24px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;display:flex;flex-direction:column}.drawer.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-head{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--line)}.drawer-head button,.search-head button{min-height:40px;border:1px solid var(--strong);border-radius:8px;background:var(--surface);padding:0 12px;cursor:pointer}.drawer-brand{display:flex;align-items:center;gap:8px}.drawer-brand span{height:24px;max-width:88px}.drawer-brand img{height:24px}.drawer-scroll{padding:8px 14px 16px;overflow:auto}.drawer section{padding:10px 0;border-bottom:1px solid var(--line)}.drawer section:last-child{border:0}.drawer h2{font-size:13px;color:var(--gold);margin:0 0 5px}.drawer a{display:block;padding:8px;border-radius:7px}.drawer a:hover{background:var(--soft)}.drawer b,.drawer small{display:block}.drawer b{font-size:14px;color:var(--ink)}.drawer small{font-size:12px;color:var(--muted);line-height:1.5;margin-top:2px}
.search-panel{position:fixed;z-index:110;top:74px;left:0;right:0;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{background:var(--surface);border:1px solid var(--strong);box-shadow:var(--shadow);border-radius:0 0 12px 12px;padding:18px}.search-head{display:flex;justify-content:space-between;gap:18px;align-items:start}.search-head b{font-size:16px;color:var(--ink)}.search-head p{margin:3px 0 0;color:var(--muted)}.search-options{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.search-options a{min-height:40px;display:inline-flex;align-items:center;padding:0 13px;border:1px solid var(--strong);border-radius:999px;background:var(--paper)}
.mobile-nav{display:none}
@media(max-width:760px){body{padding-top:74px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}.desktop-nav{display:none}.site-shell{width:min(calc(100% - 32px),var(--max))}.brand-actions a,.brand-actions button{padding:0 10px}.home-intro{padding:38px 0 34px}.home-section{padding:34px 0}.editorial-band,.focus-stack,.lens-layout,.index-panels,.app-showcase,.method-grid,.faq-preview,.review-row{grid-template-columns:1fr}.section-head{align-items:center}.media-frame.wide{height:160px}.media-frame.tallish{min-height:210px}.app-frame{height:280px}.status-board>div{grid-template-columns:1fr;gap:4px}.site-footer{padding-bottom:86px}.footer-grid{grid-template-columns:1fr 1fr}.mobile-nav{position:fixed;z-index:90;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(4,1fr);background:var(--ink);border-top:1px solid var(--copper)}.mobile-nav a{height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--paper)}.mobile-nav a.is-current{background:var(--copper);color:var(--ink);font-weight:700}.search-panel{top:0;bottom:0;background:var(--ink);padding-top:28px}.search-card{height:100%;border-radius:0;border:0;background:var(--ink);color:var(--paper);box-shadow:none}.search-head b,.search-head p{color:var(--paper)}.search-head button{background:transparent;color:var(--copper);border-color:var(--copper)}.search-options a{background:transparent;color:var(--paper);border-color:var(--copper)}.drawer{right:6%;bottom:calc(58px + env(safe-area-inset-bottom));width:88%;max-height:76vh}.route-links{gap:8px}.route-links a{padding:7px 10px}.page-media{height:190px}}
@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.section-head>a{display:none}.home-intro h1,.page-hero h1{font-size:24px}.brand-actions a{font-size:13px}.brand-actions button{font-size:13px}}