:root{--paper:#F6F1EA;--deep:#EFE6DA;--card:#FFFCF7;--ink:#161410;--text:#2A2622;--muted:#5C564E;--soft:#7A746C;--orange:#FF7A1A;--orange2:#C85A00;--line:rgba(22,20,16,.14);--shadow:0 14px 36px rgba(22,20,16,.12);--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{text-decoration:none;color:inherit}button{font:inherit}img{display:block;max-width:100%;height:auto}.wrap{width:min(calc(100% - 32px),var(--max));margin:auto}.site-header{position:fixed;z-index:1000;top:0;left:0;right:0}.ink-line{height:10px;background:var(--ink);color:var(--orange);font-size:9px;line-height:10px}.ink-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.ink-brand{font-weight:800}.plain-icon-btn{height:10px;padding:0 6px;border:0;background:transparent;color:var(--orange);font-size:9px;cursor:pointer}.material-bar{height:48px;background:var(--paper);border-bottom:1px solid var(--line)}.material-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand-lockup{height:44px;display:flex;align-items:center;font-size:22px;font-weight:900}.brand-lockup img{height:24px;width:auto;object-fit:contain}.top-actions{display:flex;gap:8px}.bar-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border:1px solid var(--ink);border-radius:10px;background:var(--card);font-weight:900}.bar-btn-primary{background:var(--orange);border-color:var(--orange)}.spine{height:32px;background:var(--paper);border-bottom:1px solid var(--line)}.spine-inner{height:100%;display:flex;align-items:center;gap:10px;font-weight:800;font-size:14px}.spine a{height:32px;display:flex;align-items:center;position:relative}.spine a.active:after{content:"";position:absolute;left:0;right:0;bottom:2px;height:3px;background:var(--orange)}.slash{color:var(--orange)}.page-main{padding-top:110px;padding-bottom:64px}.meta-lead{font-size:13px;color:var(--muted);margin:10px 0 18px}.meta-lead strong{color:var(--ink)}h1,h2,h3{color:var(--ink);line-height:1.28}h1{font-size:clamp(28px,4vw,32px);margin:0 0 16px}h2{font-size:22px}h3{font-size:18px}p{margin:0 0 16px}.lead{font-size:18px;color:var(--muted);max-width:860px}.kicker{display:inline-block;color:var(--orange2);font-weight:900;letter-spacing:.08em;margin-bottom:8px}.section{padding:34px 0;border-top:1px solid var(--line)}.section:first-child{border-top:0}.grid-2,.grid-3,.grid-4{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}.card-link{display:block}.card-link:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.text-link{display:inline-flex;align-items:center;min-height:44px;border-bottom:2px solid var(--orange);font-weight:900}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;background:var(--orange);border:1px solid var(--orange);font-weight:900}.btn.secondary{background:var(--paper)}.media-slot{background:#FFE0C1;border:1px solid rgba(200,90,0,.18);border-radius:14px;display:grid;place-items:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.cover-slot{max-height:220px;min-height:180px;aspect-ratio:16/9;margin:0 auto 22px;max-width:900px}.cover-fallback{font-size:28px;font-weight:900}.column-img{height:170px;margin-top:14px}.wide-img{height:180px;margin-top:18px}.app-img{min-height:320px;max-height:420px}.app-img img{max-height:420px}.icon-badge{width:72px;height:72px;border-radius:14px;background:var(--deep);display:grid;place-items:center;border:1px solid var(--line);overflow:hidden;margin-bottom:16px}.icon-badge img{width:60px;height:60px;object-fit:contain}.hero{text-align:center;padding:18px 0 42px}.hero .lead{margin:auto}.article-body{max-width:860px}.article-body h2{margin-top:34px}.status{border-left:4px solid var(--orange)}.notice{border:1px solid var(--orange);background:#FFF0DF;border-radius:12px;padding:16px 18px}.faq-item{padding:20px 0;border-bottom:1px solid var(--line)}.faq-item h2{font-size:19px;margin-bottom:8px}.overlay{position:fixed;inset:0;z-index:1100;background:rgba(22,20,16,.5);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.material-drawer{position:fixed;z-index:1200;top:58px;left:50%;transform:translateX(-50%) translateY(-10px);width:min(560px,calc(100% - 32px));height:340px;background:var(--paper);border-top:2px solid var(--orange);border-radius:0 0 12px 12px;box-shadow:var(--shadow);visibility:hidden;pointer-events:none;opacity:0;transition:.2s;overflow:auto}.material-drawer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateX(-50%) translateY(0)}.drawer-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:22px;width:auto;object-fit:contain}.drawer-close,.search-head button{min-height:44px;border:0;background:transparent;font-weight:900}.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:18px}.drawer-grid h2{font-size:14px;margin:0 0 8px;color:var(--orange2)}.drawer-grid a{display:block;padding:6px 0;border-bottom:1px solid var(--line)}.drawer-grid a strong,.drawer-grid a span{display:block}.drawer-grid a span{font-size:12px;color:var(--muted);line-height:1.4}.search-panel{position:fixed;z-index:1200;top:58px;left:50%;transform:translateX(-50%) translateY(-10px);width:min(500px,calc(100% - 32px));visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateX(-50%) translateY(0)}.search-card{background:var(--paper);border-top:2px solid var(--orange);border-radius:0 0 12px 12px;box-shadow:var(--shadow);padding:0 18px 18px}.search-head{display:flex;justify-content:space-between;align-items:center;min-height:56px}.search-look{min-height:48px;border:1px solid var(--ink);border-radius:10px;background:var(--card);display:flex;align-items:center;padding:10px 12px;color:var(--muted)}.search-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:12px}.search-links a{min-height:44px;border:1px solid var(--line);border-radius:10px;background:var(--card);display:flex;align-items:center;padding:0 12px;font-weight:800}.site-footer{background:var(--ink);color:var(--paper);padding:42px 0 84px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:26px}.footer-brand img{height:24px;width:auto;object-fit:contain}.footer-brand strong,.footer-brand span{display:block;color:var(--paper)}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h2{color:var(--orange);font-size:15px}.footer-grid a{display:block;color:var(--paper);padding:4px 0}.footer-note,.copyright{color:var(--paper)}.footer-note{margin-top:28px;max-width:900px}.mobile-bottom{display:none}a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:2px}@media(max-width:780px){.spine{display:none}.page-main{padding-top:78px;padding-bottom:84px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.material-drawer{top:58px;width:calc(100% - 20px);height:60vh}.drawer-grid{grid-template-columns:1fr 1fr}.search-panel{top:58px;width:calc(100% - 20px)}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:1050;min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--line)}.mobile-bottom a{min-height:50px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900}.mobile-bottom a.active{background:var(--ink);color:var(--orange)}.site-footer{padding-bottom:92px}.hero{text-align:left}.hero .lead{margin:0}}@media(max-width:520px){.drawer-grid,.footer-grid,.search-links{grid-template-columns:1fr}.bar-btn{padding:0 10px}.column-img,.wide-img{height:160px}}