:root{--maxw: 980px;--fs-body-d: 13px;--fs-body-m: 12px;--fs-h1-d: 18px;--fs-h1-m: 17px;--fs-h2-d: 16px;--fs-h2-m: 15px;--c-bg: #fff;--c-text: #111;--c-muted: rgba(17, 17, 17, .72);--c-border: rgba(0, 0, 0, .08);--c-hover: #f4f4f4;--nav-underline: #111;--nav-underline-hover: #999;--shadow-soft: 0 10px 26px rgba(0, 0, 0, .06)}*{box-sizing:border-box}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}:focus-visible{outline:2px solid #000;outline-offset:2px}.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}html,body{height:100%}html{scrollbar-gutter:stable}body{overflow-y:scroll;margin:0;background:var(--c-bg);color:var(--c-text);font-weight:400;letter-spacing:0;font-size:var(--fs-body-d);line-height:1.7;-webkit-text-size-adjust:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans SC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif}@media(max-width:720px){body{font-size:var(--fs-body-m)}}.site-header{border-bottom:1px solid var(--c-border);background:#ffffffeb;backdrop-filter:blur(6px)}.header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:12px 0}.brand{display:inline-flex;align-items:center;gap:10px}.brand-logo{width:210px;height:42px;object-fit:contain;display:block}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;white-space:nowrap}.nav{display:flex;justify-content:center;align-items:center;gap:18px;overflow-x:auto;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav-link{padding:6px 2px;border-bottom:2px solid transparent;font-weight:400;letter-spacing:0;white-space:nowrap;transition:border-color .16s ease}.nav-link:hover{border-bottom-color:var(--nav-underline-hover)}.nav-link[aria-current=page]{border-bottom-color:var(--nav-underline)}.header-right{display:flex;align-items:center;gap:10px;justify-content:flex-end}.lang-switch{display:inline-flex;align-items:center;justify-content:center;width:34px;height:32px;border:1px solid var(--c-border);border-radius:999px;background:#fff;transition:background .16s ease,transform .16s ease;font-size:12px}.lang-switch:hover{background:var(--c-hover);transform:translateY(-2px)}.menu-btn{display:none;align-items:center;justify-content:center;height:32px;padding:0 12px;border:1px solid var(--c-border);border-radius:999px;background:#fff;transition:background .16s ease,transform .16s ease;font-size:12px;cursor:pointer}.menu-btn:hover{background:var(--c-hover);transform:translateY(-2px)}.mobile-nav{display:none}main{padding:14px 0 28px}.site-footer{border-top:1px solid var(--c-border);background:#fff;padding:18px 0}.footer-top{display:grid;grid-template-columns:1.2fr 1fr 1fr auto;gap:12px;align-items:stretch}.footer-brand{display:flex;flex-direction:column;justify-content:flex-end;min-height:100%}.footer-brand-name{margin:0;font-weight:500;font-size:16px;line-height:1.35;color:red;letter-spacing:0}.footer-brand-slogan{margin:12px 0 0;font-weight:500;font-size:14px;line-height:1.45;color:#111;letter-spacing:0;white-space:nowrap}.footer-brand .footer-line{margin-top:12px}.footer-title{margin:0 0 8px;font-weight:700}.footer-line{margin:6px 0;color:var(--c-muted);line-height:1.8}.footer-line.addr{white-space:nowrap}.footer-links{display:flex;flex-direction:column;gap:6px}.footer-links a{color:var(--c-muted);line-height:1.8}.footer-links a:hover{color:var(--c-text)}.footer-quick{justify-self:end}.footer-contact{margin-left:60px}.qr{display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:6px;margin-left:120px}.qr img{width:96px;height:96px;border-radius:10px;border:1px solid rgba(0,0,0,.08);object-fit:cover;background:#fff}.qr-cap{font-size:12px;color:var(--c-muted);line-height:1.4;white-space:nowrap;display:block;width:96px}.footer-bottom{margin-top:14px;padding-top:12px;border-top:1px solid var(--c-border);display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--c-muted);font-size:12px}.icp-link{color:var(--c-muted)}.icp-link:hover{color:var(--c-text)}@media(max-width:900px){.footer-top{grid-template-columns:1fr}.footer-quick{justify-self:start}.footer-contact,.qr{margin-left:0}.footer-line.addr{white-space:normal}.footer-brand{justify-content:flex-start}}@media(max-width:720px){.brand-logo{width:180px;height:36px}.nav{display:none}.menu-btn{display:inline-flex}.mobile-nav{display:block;border-top:1px solid var(--c-border);background:#fffffffa}.mobile-nav[hidden]{display:none}.mobile-nav-inner{padding:8px 0}.mobile-nav a{display:block;padding:10px 0;border-bottom:1px solid rgba(0,0,0,.06);color:var(--c-text);letter-spacing:0;font-weight:400}.mobile-nav a:last-child{border-bottom:0}.footer-brand-name{font-size:15px;font-weight:400}.footer-brand-slogan{font-size:13px;font-weight:400}.footer-line.addr{white-space:normal}}