:root{--brand:#3B6EF5;--brand-strong:#2451c9;--brand-light:#5b8def;--brand-tint:#eaf1ff;--purple:#4f7df0;--purple-strong:#3a5fc0;--purple-tint:#eef3ff;--brand-glow:rgba(59,110,245,.18);--grad:linear-gradient(135deg,#3B6EF5 0%,#5b8def 100%);--grad-strong:linear-gradient(135deg,#2451c9 0%,#3B6EF5 100%);--heading:#16203f;--ink:#2b3450;--muted:#646e85;--bg:#f5f7fb;--surface:#ffffff;--line:#e7ebf2;--footer-bg:#16203f;--radius:14px;--shadow:0 8px 28px rgba(36,81,201,.1);--shadow-sm:0 4px 14px rgba(36,81,201,.07);--header-bg:rgba(255,255,255,.82);--maxw:1180px;--font:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif}[data-theme=dark]{--brand:#5b8def;--brand-strong:#1a2547;--brand-light:#7ba4f2;--brand-tint:#16203a;--purple:#6f9bf2;--purple-strong:#4f74d6;--purple-tint:#172a4d;--brand-glow:rgba(123,164,242,.22);--grad:linear-gradient(135deg,#5b8def 0%,#7ba4f2 100%);--grad-strong:linear-gradient(135deg,#101a38 0%,#1f3a73 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(max-width:680px){.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--surface);flex-direction:column;padding:10px;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.nav-links a{padding:12px 18px}.nav-toggle{display:flex}.nav-cta{display:none}.hero h1{font-size:32px}.grid-2,.grid-3,.grid-4,.steps,.certs,.footer-grid{grid-template-columns:1fr}.hero-stats{gap:24px}.section-head h2{font-size:26px}}.qrcode-wrap{display:flex;justify-content:center;padding:10px 0 30px}.qrcode-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,background-color .3s ease,border-color .3s ease}.qrcode-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.qrcode-card img{display:block;width:200px;height:200px;margin:0 auto 14px;border-radius:8px;background:#fff;padding:8px;border:1px solid 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.15s}.icp-link[data-v-6fc4a926]:hover{color:#fff}.back-top[data-v-8d67383b]{position:fixed;right:24px;bottom:32px;z-index:900;width:46px;height:46px;border:none;border-radius:50%;background:var(--brand);color:#fff;font-size:20px;line-height:1;cursor:pointer;box-shadow:var(--shadow);transition:.18s}.back-top[data-v-8d67383b]:hover{background:var(--brand-strong);transform:translateY(-2px)}.auth-mask[data-v-5351ce29]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#0c10188c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px}.auth-dialog[data-v-5351ce29]{position:relative;width:100%;max-width:420px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 28px 30px;box-shadow:var(--shadow);max-height:92vh;overflow-y:auto}.auth-close[data-v-5351ce29]{position:absolute;top:12px;right:14px;width:30px;height:30px;border:none;background:transparent;color:var(--muted);font-size:22px;line-height:1;cursor:pointer}.auth-close[data-v-5351ce29]:hover{color:var(--brand)}.auth-tabs[data-v-5351ce29]{display:flex;gap:10px;margin-bottom:18px;border-bottom:1px solid var(--line);padding-bottom:12px}.auth-tabs button[data-v-5351ce29]{flex:1;padding:10px 0;border:none;background:transparent;color:var(--muted);font-size:15px;font-weight:600;cursor:pointer;border-radius:8px;transition:.18s}.auth-tabs button.active[data-v-5351ce29]{background:var(--brand-tint);color:var(--brand)}.auth-form label[data-v-5351ce29]{display:block;font-size:14px;color:var(--ink);margin:14px 0 6px;font-weight:600}.auth-form input[data-v-5351ce29]{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;color:var(--ink);background:var(--surface);transition:border-color .18s,box-shadow .18s}.auth-form input[data-v-5351ce29]:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 3px var(--brand-glow)}.captcha-row[data-v-5351ce29]{display:flex;gap:10px;align-items:center}.captcha-row input[data-v-5351ce29]{flex:1}.captcha-img[data-v-5351ce29]{width:96px;height:44px;border-radius:8px;border:1px solid var(--line);cursor:pointer;flex-shrink:0}.code-btn[data-v-5351ce29]{flex-shrink:0;padding:12px 14px;border:1px solid var(--brand-light);border-radius:10px;background:var(--brand-tint);color:var(--brand);font-size:13.5px;font-weight:600;cursor:pointer;transition:.18s}.code-btn[data-v-5351ce29]:disabled{opacity:.55;cursor:not-allowed}.auth-error[data-v-5351ce29]{color:#e5484d;font-size:13px;margin:12px 0 0}.auth-submit[data-v-5351ce29]{margin-top:20px;width:100%;padding:13px 0;border:none;border-radius:11px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:.18s}.auth-submit[data-v-5351ce29]:hover{background:var(--brand-strong)}.auth-submit[data-v-5351ce29]:disabled{opacity:.6;cursor:not-allowed}#app-root{min-height:100vh;display:flex;flex-direction:column}