*{box-sizing:border-box}:root{--paper:#F3E8D4;--paper-deep:#E2D2B4;--content:#FBF3E4;--sub:#EDE0C8;--ink:#1A140A;--text:#2C2214;--muted:#5C4A30;--soft:#7C6844;--gold:#7A5A20;--copper:#B88838;--line:rgba(26,20,10,.12);--focus:rgba(122,90,32,.50);--shadow:0 12px 28px rgba(26,20,10,.10)}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;color:var(--text);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.lock-scroll{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}.shell{width:min(960px,calc(100% - 32px));margin:0 auto}.old-edge{position:fixed;z-index:80;inset:0 0 auto 0;height:20px;background:var(--ink);color:var(--copper);font-size:12px}.old-edge-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.old-edge-brand{letter-spacing:.08em}.text-action{border:0;background:transparent;color:var(--copper);min-height:20px;padding:0 2px}.copper-head{position:fixed;z-index:79;top:20px;left:0;right:0;height:54px;background:var(--content);border-bottom:1px solid var(--focus)}.copper-head-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-link,.brand-image{display:inline-flex;align-items:center;min-height:44px}.brand-image img{height:24px;width:auto;object-fit:contain}.brand-fallback{font-weight:800;font-size:16px;color:var(--ink)}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.drawer-toggle{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:0 14px;font-size:14px}.app-link{background:linear-gradient(135deg,#1A140A 0%,#B88838 100%);color:var(--content)}.drawer-toggle{border:1px solid var(--gold);background:var(--content);color:var(--ink)}.copper-dots{position:fixed;z-index:78;top:74px;left:0;right:0;height:42px;background:var(--content);border-bottom:1px solid var(--line)}.dot-nav{height:42px;display:flex;align-items:center;gap:42px}.dot-item{min-width:48px;height:42px;display:flex;flex-direction:column;justify-content:center;align-items:center;font-size:13px;line-height:1.1;color:var(--muted)}.dot-mark{width:8px;height:8px;border:1px solid var(--ink);border-radius:50%;margin-bottom:4px;background:transparent}.dot-item.is-active .dot-mark{background:var(--copper);border-color:var(--copper)}.site-main{padding-top:138px;padding-bottom:48px;min-height:60vh}.page-intro{padding:34px 0 20px}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--gold);margin:0 0 6px}h1,h2,h3{color:var(--ink);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.35;margin-bottom:10px}h3{font-size:16px;line-height:1.45;margin-bottom:6px}p{margin:0 0 14px}.lead{font-size:16px;line-height:1.8;color:var(--text);max-width:760px}.muted{color:var(--muted)}.small-note{font-size:13px;color:var(--soft)}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn-primary,.btn-secondary{min-height:42px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;font-size:14px}.btn-primary{background:linear-gradient(135deg,#1A140A 0%,#B88838 100%);color:var(--content)}.btn-secondary{background:var(--content);border:1px solid var(--gold);color:var(--ink)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.card{background:var(--content);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:20px}.section{padding:24px 0}.section+.section{border-top:1px solid var(--line)}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section-title p{margin:0;color:var(--muted);max-width:600px}.image-slot{background:var(--content);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:120px}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.image-slot.wide{height:168px}.image-slot.tall{height:min(320px,70vw)}.image-slot.banner{height:200px}.home-index-dots{display:flex;gap:26px;margin-bottom:22px}.home-index-dots a{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.home-index-dots span{width:8px;height:8px;border-radius:50%;border:1px solid var(--ink)}.home-three{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px}.home-three article{min-height:220px}.home-three .first-story{padding:0;overflow:hidden}.home-three .first-story .story-copy{padding:18px}.home-three .image-slot{border:0;border-bottom:1px solid var(--line);border-radius:0;height:150px}.clip-pages{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.clip-page{background:var(--sub);border:1px solid var(--line);border-radius:10px;padding:18px}.clip-page:nth-child(2){margin-top:28px}.archive-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.ten-day{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:12px}.ten-day article{background:var(--content);border-top:3px solid var(--copper);padding:18px;border-radius:0 0 10px 10px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:140px 1fr auto;gap:14px;align-items:center;background:var(--content);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.status-badge{font-size:12px;color:var(--gold);border:1px solid var(--gold);border-radius:999px;padding:2px 9px;white-space:nowrap}.app-stack{display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:start}.app-visual{display:grid;gap:10px}.app-mini{display:flex;align-items:center;gap:12px;padding:12px;background:var(--content);border-radius:10px;border:1px solid var(--line)}.app-mini img{width:48px;height:48px;object-fit:contain}.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.feature-list article{background:var(--content);border:1px solid var(--line);border-radius:10px;padding:18px}.faq-short{display:grid;gap:10px}.faq-short details{background:var(--content);border:1px solid var(--line);border-radius:9px;padding:14px 16px}.faq-short summary{cursor:pointer;color:var(--ink);font-weight:700}.page-strip{padding:22px 0;background:var(--paper-deep);border-bottom:1px solid var(--line)}.triple-layout{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.triple-layout article{background:var(--content);border:1px solid var(--line);padding:18px;border-radius:10px}.triple-layout .featured{grid-row:span 2}.crosscut-layout{display:grid;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--content)}.crosscut-layout article{display:grid;grid-template-columns:180px 1fr;border-bottom:1px solid var(--line)}.crosscut-layout article:last-child{border-bottom:0}.crosscut-layout h2{padding:18px;background:var(--sub);margin:0}.crosscut-layout .copy{padding:18px}.clip-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.clip-layout article{background:var(--content);border:1px solid var(--line);border-radius:10px;padding:20px}.clip-layout article:nth-child(even){transform:translateY(26px)}.single-column{max-width:760px;margin:0 auto;display:grid;gap:16px}.single-column article{background:var(--content);border-left:4px solid var(--copper);padding:18px 20px;border-radius:0 10px 10px 0}.memo-list{display:grid;gap:12px}.memo-list article{background:var(--content);border:1px solid var(--line);border-radius:10px;padding:18px}.memo-list ul{margin:8px 0 0;padding-left:20px}.center-cards{max-width:760px;margin:0 auto;display:grid;gap:18px}.center-cards article{background:var(--content);border:1px solid var(--line);border-radius:10px;padding:22px}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.method-grid article{background:var(--content);border:1px solid var(--line);padding:20px;border-radius:10px}.topic-list{display:grid;gap:12px}.topic-list article{display:grid;grid-template-columns:170px 1fr;gap:18px;background:var(--content);border:1px solid var(--line);border-radius:10px;padding:18px}.terms{display:grid;gap:16px}.terms section{background:var(--content);border:1px solid var(--line);border-radius:10px;padding:20px}.faq-list{display:grid;gap:12px}.faq-list details{background:var(--content);border:1px solid var(--line);border-radius:10px;padding:16px 18px}.faq-list summary{font-weight:700;color:var(--ink);cursor:pointer}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-grid article{background:var(--content);border:1px solid var(--line);border-radius:10px;padding:20px}.about-stack{display:grid;gap:16px}.about-stack article{background:var(--content);border:1px solid var(--line);border-radius:10px;padding:20px}.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--copper);padding:34px 0 70px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:24px}.footer-logo{display:flex;align-items:center;gap:9px;color:var(--copper);margin-bottom:12px}.footer-logo img{height:24px;width:auto;object-fit:contain}.footer-brand p{font-size:13px;color:var(--paper-deep);max-width:380px}.footer-group h2{font-size:13px;color:var(--copper);margin:0 0 8px}.footer-group a{display:block;font-size:13px;color:var(--paper);padding:3px 0}.footer-bottom{border-top:1px solid rgba(243,232,212,.14);margin-top:24px;padding-top:14px;display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--paper-deep)}.page-mask{position:fixed;inset:0;z-index:110;background:rgba(26,20,10,.45);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.page-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}.copper-drawer{position:fixed;z-index:120;left:18px;bottom:18px;width:240px;max-height:380px;background:var(--content);border:1px solid var(--focus);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(18px);transition:.2s ease}.copper-drawer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.drawer-head{height:54px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;border-bottom:1px solid var(--line)}.drawer-title{display:flex;align-items:center;gap:8px;color:var(--ink)}.drawer-title img{height:24px;width:auto;object-fit:contain}.drawer-close,.search-head button{min-height:44px;border:0;background:transparent;color:var(--gold)}.drawer-scroll{max-height:326px;overflow:auto;padding:10px 12px 16px}.drawer-scroll section{margin-bottom:12px}.drawer-scroll h2{font-size:12px;color:var(--gold);margin:0 0 4px}.drawer-scroll a{display:block;border-top:1px solid var(--line);padding:7px 0}.drawer-scroll b{font-size:13px;color:var(--ink);margin-right:6px}.drawer-scroll span{font-size:12px;color:var(--muted)}.search-layer{position:fixed;z-index:125;top:74px;left:50%;width:min(640px,calc(100% - 32px));transform:translate(-50%,-10px);background:var(--content);border:1px solid var(--focus);border-radius:0 0 12px 12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.search-card{padding:18px}.search-head{display:flex;justify-content:space-between;gap:16px}.search-head strong{color:var(--ink);font-size:16px}.search-head p{font-size:13px;color:var(--muted);margin:2px 0 0}.local-search label{display:block;font-size:13px;color:var(--muted);margin:10px 0 6px}.search-row{display:flex;gap:8px}.search-row input{height:44px;flex:1;min-width:0;border:1px solid var(--line);border-radius:9px;background:#fffaf0;color:var(--ink);padding:0 12px}.search-row button{height:44px;border:0;border-radius:9px;background:linear-gradient(135deg,#1A140A 0%,#B88838 100%);color:var(--content);padding:0 16px}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{font-size:13px;border:1px solid var(--gold);color:var(--ink);border-radius:999px;padding:6px 10px}.search-result{font-size:13px;color:var(--gold);margin:10px 0 0}.mobile-bottom{display:none}@media(max-width:780px){.copper-dots{display:none}.site-main{padding-top:92px;padding-bottom:76px}.shell{width:min(100% - 32px,960px)}.head-actions{gap:6px}.app-link,.drawer-toggle{padding:0 11px}.home-three,.triple-layout,.archive-cards,.method-grid,.contact-grid,.feature-list{grid-template-columns:1fr}.clip-pages,.clip-layout{grid-template-columns:1fr}.clip-page:nth-child(2),.clip-layout article:nth-child(even){margin-top:0;transform:none}.ten-day{grid-template-columns:1fr}.status-row{grid-template-columns:1fr;gap:6px}.app-stack{grid-template-columns:1fr}.app-visual{max-width:360px}.crosscut-layout article{grid-template-columns:1fr}.topic-list article{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.site-footer{padding-bottom:92px}.copper-drawer{left:6%;right:6%;bottom:62px;width:88%;max-height:72vh}.drawer-scroll{max-height:calc(72vh - 54px)}.search-layer{top:0;left:0;right:0;bottom:0;width:100%;transform:none;border:0;border-radius:0;background:var(--ink);color:var(--copper)}.search-layer.is-open{transform:none}.search-card{width:min(100% - 32px,620px);margin:70px auto 0}.search-head strong,.search-head p,.search-head button,.local-search label{color:var(--copper)}.search-row input{background:var(--content)}.search-presets a{color:var(--paper);border-color:var(--copper)}.mobile-bottom{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);background:var(--content);border-top:1px solid var(--focus);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px;color:var(--muted)}.mobile-bottom a.is-active{background:var(--copper);color:var(--ink)}}@media(max-width:520px){.page-intro{padding-top:26px}.home-index-dots{gap:14px;flex-wrap:wrap}.footer-grid{grid-template-columns:1fr 1fr;gap:18px}.section-title{display:block}}

/* v2 content-center refinements */
.home-index-dots a{font-weight:600}.page-intro .lead{max-width:820px}.card h2,.card h3{letter-spacing:.01em}.section-title h2{margin-bottom:0}.topic-list article,.method-grid article{transition:transform .15s ease}.topic-list article:hover,.method-grid article:hover{transform:translateY(-1px)}