:root{--accent:#4d6bfe;--accent-hover:#3964fe;--accent-soft:#4d6bfe14;--accent-border:#4d6bfe38;--bg:#f6f9fd;--bg-alt:#eef4ff;--surface:#fff;--text:#43454a;--text-heading:#0f1115;--text-muted:#81858c;--border:#e1e5ee;--shadow-sm:0 1px 3px #0000000a;--shadow-md:0 4px 16px #0000000f;--shadow-lg:0 8px 32px #00000014;--font-display:"Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-body:"Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;font-family:var(--font-body);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.6}@media (prefers-color-scheme:dark){:root{--accent:#679efe;--accent-soft:#679efe26;--accent-border:#679efe47;--bg:#0f1115;--bg-alt:#15171d;--surface:#1b1d24;--text:#adb2b8;--text-heading:#f5f6f7;--text-muted:#7f8287;--border:#2c2f38}}body{margin:0}*,:before,:after{box-sizing:border-box}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}:root{--xc-blue:#2563ff;--xc-blue-2:#1d4ed8;--xc-navy:#0b132b;--xc-text:#0b132b;--xc-muted:#64748b;--xc-bg:#f5f8ff;--xc-border:#e5ecff;--xc-soft:#eaf0ff;--xc-card:#fff;--xc-white:#fff}.public-page{background:var(--xc-white);min-height:100vh;color:var(--xc-text);font-family:var(--font-body);padding-top:72px}.public-nav{z-index:1000;border-bottom:1px solid var(--xc-border);-webkit-backdrop-filter:blur(10px);background:#fffffff5;position:fixed;top:0;left:0;right:0}.public-nav__inner{align-items:center;gap:24px;max-width:1180px;height:72px;margin:0 auto;padding:0 22px;display:flex}.public-nav__brand{flex:none;align-items:center;display:flex}.public-nav__brand .logo-img{object-fit:contain;object-position:center;aspect-ratio:auto;width:auto;height:36px;transform:none}.public-nav__links{align-items:center;gap:20px;margin-left:auto;font-size:14px;font-weight:600;display:flex}.public-nav__links a{color:var(--xc-muted);white-space:nowrap;text-decoration:none}.public-nav__links a:hover{color:var(--xc-blue)}.public-nav__apply{background:linear-gradient(135deg,#2563ff 0%,#1d4ed8 100%);border:1px solid #0000;border-radius:12px;padding:10px 16px;color:var(--xc-white)!important}.public-nav__console{background:var(--xc-white);border:1px solid var(--xc-border);border-radius:12px;padding:9px 14px;color:var(--xc-muted)!important}.public-menu{border:1px solid var(--xc-border);background:var(--xc-white);width:38px;height:38px;color:var(--xc-text);border-radius:12px;margin-left:auto;display:none}.public-mobile{border-top:1px solid var(--xc-border);background:var(--xc-white);padding:0 22px 18px;display:none}.public-mobile a{color:var(--xc-muted);padding:12px 0;font-weight:600;text-decoration:none;display:block}.public-section{max-width:1180px;margin:0 auto;padding:84px 22px}.public-section--soft{background:var(--xc-bg);max-width:none}.public-section--soft>.public-section__inner{max-width:1180px;margin:0 auto;padding:0 22px}.section-kicker{color:var(--xc-blue);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;font-size:13px;font-weight:800}.section-title{letter-spacing:-.02em;color:var(--xc-text);margin:0;font-size:clamp(30px,4vw,48px);line-height:1.12}.section-desc{max-width:720px;color:var(--xc-muted);margin:16px 0 0;font-size:17px;line-height:1.8}.btn{cursor:pointer;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:0 20px;font-weight:800;text-decoration:none;display:inline-flex}.btn-primary,.primary-button{color:var(--xc-white);background:linear-gradient(135deg,#2563ff 0%,#1d4ed8 100%)}.btn-secondary{color:var(--xc-text);background:var(--xc-white);border-color:var(--xc-border)}.btn-ghost{color:var(--xc-blue);background:var(--xc-soft);border-color:var(--xc-border)}.card-grid{gap:18px;display:grid}.card{background:var(--xc-card);border:1px solid var(--xc-border);border-radius:18px;padding:24px;box-shadow:0 10px 28px #0b132b0a}.card h3{letter-spacing:-.01em;color:var(--xc-text);margin:0 0 10px;font-size:20px}.card p{color:var(--xc-muted);margin:0;line-height:1.7}.public-footer{background:var(--xc-white);color:var(--xc-text);border-top:1px solid var(--xc-border)}.public-footer__inner{grid-template-columns:1.15fr 1fr 1fr 1fr;gap:32px;max-width:1180px;margin:0 auto;padding:52px 22px 28px;display:grid}.public-footer h4{color:var(--xc-text);margin:0 0 14px;font-size:15px}.public-footer a{color:var(--xc-muted);margin:9px 0;font-size:14px;text-decoration:none;display:block}.public-footer a:hover{color:var(--xc-blue)}.public-footer__brand p{color:var(--xc-muted);max-width:320px;margin:14px 0 0;line-height:1.7}.public-footer__bottom{max-width:1180px;color:var(--xc-muted);border-top:1px solid var(--xc-border);flex-wrap:wrap;gap:16px;margin:0 auto;padding:20px 22px 28px;font-size:13px;display:flex}.public-footer__bottom a{margin:0;display:inline}.public-footer-contact-icons{flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:16px;display:flex}.public-footer-icon-link,.public-footer-wechat{color:#666;align-items:center;text-decoration:none;transition:color .2s;display:flex}.public-footer-icon-link:hover,.public-footer-wechat:hover{color:var(--xc-blue)}.public-footer-icon-link svg,.public-footer-wechat svg{flex-shrink:0}.public-footer-email{position:relative}.public-footer-tooltip{border:1px solid var(--xc-border);background:var(--xc-white);color:var(--xc-text);white-space:nowrap;opacity:0;pointer-events:none;z-index:21;border-radius:10px;padding:8px 10px;font-size:13px;font-weight:700;transition:opacity .18s,transform .18s;position:absolute;bottom:100%;left:50%;transform:translate(-50%)translateY(-8px);box-shadow:0 12px 28px #0b132b1f}.public-footer-tooltip:after{content:"";border:6px solid #0000;border-top-color:var(--xc-white);position:absolute;top:100%;left:50%;transform:translate(-50%)}.public-footer-email:hover .public-footer-tooltip{opacity:1;transform:translate(-50%)translateY(-14px)}.public-footer-wechat{cursor:pointer;position:relative}.public-footer-wechat-qr{z-index:20;margin-bottom:16px;display:none;position:absolute;bottom:100%;left:50%;transform:translate(-50%)}.public-footer-wechat:hover .public-footer-wechat-qr{display:block}.public-footer-wechat-qr img{border:1px solid var(--xc-border);width:220px;height:auto;image-rendering:pixelated;border-radius:10px;display:block;box-shadow:0 12px 28px #0b132b1f}.public-footer-xhs{cursor:pointer;justify-content:center;align-items:center;width:auto;min-width:36px;height:36px;position:relative}.public-footer-xhs-logo{object-fit:contain;object-position:center;width:auto;height:24px;display:block;transform:none}.public-footer-xhs-qr{z-index:20;margin-bottom:16px;display:none;position:absolute;bottom:100%;left:50%;transform:translate(-50%)}.public-footer-xhs:hover .public-footer-xhs-qr{display:block}.public-footer-xhs-qr img{border:1px solid var(--xc-border);border-radius:10px;width:220px;height:auto;display:block;box-shadow:0 12px 28px #0b132b1f}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.form-field{flex-direction:column;gap:8px;display:flex}.form-field label{color:var(--xc-text);font-size:14px;font-weight:700}.form-field input,.form-field textarea,.form-field select{border:1px solid var(--xc-border);width:100%;color:var(--xc-text);background:var(--xc-white);font:inherit;border-radius:12px;outline:none;padding:13px 14px}.form-field textarea{resize:vertical;min-height:116px}.form-field input:focus,.form-field textarea:focus,.form-field select:focus{border-color:var(--xc-blue);box-shadow:0 0 0 3px #2563ff1a}.form-field--full{grid-column:1/-1}.success-box{border:1px solid var(--xc-border);background:var(--xc-bg);color:var(--xc-blue-2);border-radius:16px;margin-top:18px;padding:18px}.code-block{background:var(--xc-navy);color:var(--xc-soft);border:1px solid #eaf0ff1f;border-radius:16px;padding:20px;font-size:14px;line-height:1.7;overflow:auto}.code-block code{font-family:var(--font-mono)}.inline-code{font-family:var(--font-mono);color:var(--xc-blue-2);background:var(--xc-soft);border-radius:6px;padding:2px 6px}@media (max-width:980px){.public-nav__links{display:none}.public-menu{justify-content:center;align-items:center;display:inline-flex}.public-mobile.open{display:block}.public-footer__inner{grid-template-columns:1fr 1fr}}@media (max-width:680px){.public-page{padding-top:64px}.public-nav__inner{height:64px}.public-nav__brand .logo-img{height:30px}.public-section{padding:64px 18px}.public-section--soft>.public-section__inner{padding:0 18px}.public-footer__inner,.form-grid{grid-template-columns:1fr}.section-title{font-size:34px}}