:root{--paper:#F4EDE0;--deep:#E4D6C0;--panel:#FBF6EC;--sub:#EDE3D0;--ink:#1C160C;--text:#2A2214;--muted:#5A4A30;--soft:#7A6848;--gold:#8A6A28;--copper:#C49A3C;--line:rgba(28,22,12,.12);--focus:rgba(138,106,40,.50);--shadow:0 12px 28px rgba(28,22,12,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0;background:var(--paper);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body{font-size:15px;line-height:1.7}.no-scroll{overflow:hidden!important}.shell{width:min(960px,calc(100% - 32px));margin:0 auto}a{color:inherit;text-decoration:none}button{font:inherit}a,button{outline:none}a:focus-visible,button:focus-visible{box-shadow:0 0 0 3px rgba(196,154,60,.28)}.site-head{position:fixed;z-index:50;top:0;left:0;right:0}.gold-edge{height:20px;background:var(--ink);color:var(--copper);font-size:12px}.edge-inner,.dark-head-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.text-button,.box-button{border:0;background:transparent;color:inherit;min-height:44px;cursor:pointer}.dark-head{height:54px;background:var(--panel);border-bottom:1px solid rgba(138,106,40,.38)}.brand-link{display:flex;align-items:center;min-height:44px;max-width:48%}.brand-logo{height:24px;max-width:180px;object-fit:contain;object-position:left center}.brand-text{font-weight:700;color:var(--ink);font-size:16px}.head-actions{display:flex;align-items:center;gap:10px}.mini-link,.box-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 12px;border:1px solid rgba(138,106,40,.45);border-radius:4px;background:var(--panel);color:var(--ink)}.gold-needle{height:44px;background:var(--panel);border-bottom:1px solid var(--line)}.needle-inner{height:100%;display:flex;align-items:center;justify-content:center;gap:32px}.needle-item{display:flex;align-items:center;gap:8px;min-width:90px;height:32px;padding:0 10px;color:var(--ink);font-size:13px}.needle-mark{width:3px;height:22px;background:var(--ink);display:block}.needle-item.is-active .needle-mark{background:var(--copper)}.needle-item.is-active{font-weight:700}.page-main{padding-top:138px}.page-wrap{width:min(960px,calc(100% - 32px));margin:0 auto;padding:36px 0 72px}.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--gold);font-weight:700}.hero-plain{padding:28px 0 34px;border-bottom:1px solid var(--line)}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:1.4}h3{font-size:16px;line-height:1.45}.lead{font-size:16px;max-width:760px;color:var(--muted)}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:42px;padding:0 18px;border-radius:4px;border:1px solid var(--focus);display:inline-flex;align-items:center;justify-content:center;font-size:14px}.btn-primary{background:linear-gradient(135deg,#1C160C 0%,#C49A3C 100%);color:#FBF6EC}.btn-secondary{background:var(--panel);color:var(--ink)}.section-space{padding:34px 0;border-bottom:1px solid var(--line)}.paper-card,.paper-section{background:var(--panel);border:1px solid var(--line);border-radius:4px;box-shadow:var(--shadow);padding:22px}.paper-section{margin:18px 0}.media-slot{width:100%;min-height:160px;background:var(--panel);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{max-width:100%;max-height:240px;width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.tall{min-height:260px}.media-slot.tall img{max-height:320px}.media-slot.banner{height:200px}.media-slot.banner img{max-height:200px}.home-needle-intro{display:flex;gap:26px;align-items:center;margin-bottom:18px}.home-needle-intro a{display:flex;align-items:center;gap:8px;font-size:13px}.home-needle-intro i{display:block;width:3px;height:22px;background:var(--copper)}.split-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.split-card{border:1px solid var(--line);background:var(--panel);padding:18px;border-radius:4px}.single-record{display:grid;gap:12px}.record-item{display:grid;grid-template-columns:60px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.record-item:last-child{border-bottom:0}.record-no{font-size:28px;color:var(--gold);font-weight:700;line-height:1}.fold-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.fold-card{background:linear-gradient(180deg,var(--panel),var(--sub));border-left:3px solid var(--gold);padding:20px}.shelf-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.shelf-card{padding:20px;border:1px solid var(--line);background:var(--panel)}.period-row{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}.status-list{display:grid;gap:10px}.status-item{display:flex;align-items:flex-start;gap:14px;padding:16px;background:var(--panel);border:1px solid var(--line)}.status-tag{display:inline-flex;min-width:68px;justify-content:center;padding:3px 8px;background:var(--gold);color:var(--panel);font-size:12px;border-radius:2px}.app-split{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:28px;align-items:center}.app-visual{position:relative}.app-icon{width:48px;height:48px;object-fit:contain;position:absolute;right:8px;top:8px;background:var(--panel);border:1px solid var(--line)}.faq-mini{display:grid;gap:12px}.faq-mini details{background:var(--panel);border:1px solid var(--line);padding:14px 16px}.faq-mini summary{cursor:pointer;font-weight:700;color:var(--ink)}.brand-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center}.brand-copy{padding:20px;background:var(--ink);color:var(--paper)}.brand-copy h2,.brand-copy h3{color:var(--copper)}.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--copper);font-size:13px;padding:34px 0 78px}.footer-brand-row{display:flex;align-items:center;gap:12px}.footer-logo{height:24px;max-width:170px;object-fit:contain}.footer-brand-row strong{display:block;color:var(--copper)}.footer-brand-row span{display:block;color:var(--deep)}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:26px 0}.footer-groups h3{color:var(--copper);font-size:13px;margin-bottom:9px}.footer-groups a{display:block;color:var(--paper);padding:3px 0}.footer-note{color:var(--deep);border-top:1px solid rgba(196,154,60,.25);padding-top:18px}.copyright{color:var(--soft)}.overlay{position:fixed;z-index:70;inset:0;background:rgba(28,22,12,.48);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible}.gold-box{position:fixed;z-index:80;left:50%;bottom:18px;transform:translate(-50%,120%);width:280px;max-height:340px;overflow:auto;background:var(--panel);border:1px solid var(--copper);box-shadow:0 20px 50px rgba(0,0,0,.25);padding:14px;visibility:hidden;pointer-events:none;transition:.25s}.gold-box.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.gold-box-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.gold-box-title{display:flex;align-items:center;gap:8px}.gold-box-title img{height:24px;max-width:120px;object-fit:contain}.close-button{width:44px;height:44px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}.box-groups{display:grid;gap:12px}.box-groups h3{font-size:12px;margin:12px 0 4px;color:var(--gold)}.box-groups a{display:block;padding:8px 0;border-bottom:1px solid var(--line)}.box-groups a b{display:block;font-size:13px}.box-groups a span{display:block;color:var(--muted);font-size:12px}.search-layer{position:fixed;z-index:79;top:74px;left:0;right:0;visibility:hidden;pointer-events:none}.search-layer.is-open{visibility:visible;pointer-events:auto}.search-card{width:min(680px,calc(100% - 32px));margin:0 auto;background:var(--panel);border:1px solid var(--copper);box-shadow:var(--shadow);padding:18px}.search-look{margin:14px 0;padding:13px;background:var(--sub);color:var(--muted)}.search-presets{display:flex;flex-wrap:wrap;gap:8px}.search-presets a{padding:8px 12px;border:1px solid var(--line);background:var(--paper)}.mobile-nav{display:none}.page-title-block{padding:16px 0 24px;border-bottom:1px solid var(--line)}.layout-index{display:grid;grid-template-columns:180px 1fr;gap:24px}.index-rail{border-right:1px solid var(--line);padding-right:16px}.index-rail a,.index-label{display:block;padding:8px 0;color:var(--gold)}.dual-strip{display:grid;grid-template-columns:1fr 1fr;gap:16px}.dual-strip article{padding:18px;border-top:2px solid var(--gold);background:var(--panel)}.record-list article{padding:18px 0;border-bottom:1px solid var(--line)}.image-left{display:grid;grid-template-columns:minmax(220px,360px) 1fr;gap:24px;align-items:start}.fold-list article{padding:18px;background:linear-gradient(180deg,var(--panel),var(--sub));border-left:3px solid var(--gold);margin-bottom:12px}.memo-list{display:grid;gap:12px}.memo-list article{padding:18px;border:1px dashed rgba(138,106,40,.55);background:var(--panel)}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.topic-list article{padding:18px;border-bottom:1px solid var(--line);background:var(--panel)}.center-card{max-width:760px;margin:0 auto;text-align:left}.terms article{margin:18px 0;padding:20px;background:var(--panel);border:1px solid var(--line)}.faq-list{display:grid;gap:14px}.faq-item{padding:18px;background:var(--panel);border:1px solid var(--line)}.faq-item h2{font-size:17px}.contact-options{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-options article{padding:20px;background:var(--panel);border:1px solid var(--line)}
@media (max-width:760px){.gold-needle{display:none}.page-main{padding-top:74px}.shell,.page-wrap{width:calc(100% - 32px)}.head-actions{gap:6px}.mini-link,.box-button{padding:0 9px}.split-cards,.fold-grid,.shelf-grid,.brand-panel,.dual-strip,.method-grid,.contact-options{grid-template-columns:1fr}.app-split,.image-left,.layout-index{grid-template-columns:1fr}.index-rail{border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px}.period-row{grid-template-columns:70px 1fr}.footer-groups{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:92px}.mobile-nav{position:fixed;z-index:60;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--panel);border-top:1px solid var(--line)}.mobile-nav a{display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-nav a.is-active{background:var(--gold);color:var(--panel)}.gold-box{width:88%;max-height:70vh}.search-layer{top:0;bottom:0;background:var(--ink);padding-top:34px}.search-layer.is-open{display:block}.search-card{background:var(--ink);color:var(--copper);border-color:var(--copper)}.search-card strong{color:var(--copper)}.search-card .close-button{background:var(--ink);color:var(--copper);border-color:rgba(196,154,60,.4)}.search-look{background:rgba(196,154,60,.08);color:var(--paper)}.search-presets a{background:transparent;color:var(--paper);border-color:rgba(196,154,60,.35)}.record-item{grid-template-columns:46px 1fr}.home-needle-intro{gap:16px}.page-wrap{padding-bottom:88px}}