@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@400;500;600;700;900&display=swap";.hero[data-v-4cf14cdf]{background:linear-gradient(170deg,#f0f4ff 0%,#f7f8fa 40%,#fff 100%);padding:120px 0 0;position:relative;overflow:hidden}.hero-grid[data-v-4cf14cdf]{grid-template-columns:1fr 1fr;align-items:center;gap:64px;min-height:480px;display:grid}.hero-badge[data-v-4cf14cdf]{color:var(--brand-blue);letter-spacing:2px;border-radius:var(--radius-full);background:#0066ff14;align-items:center;gap:8px;margin-bottom:24px;padding:6px 16px;font-size:13px;font-weight:700;display:inline-flex}.badge-dot[data-v-4cf14cdf]{background:var(--brand-blue);border-radius:50%;width:7px;height:7px;animation:2s infinite pulse-4cf14cdf}@keyframes pulse-4cf14cdf{0%,to{opacity:1}50%{opacity:.4}}.hero-title[data-v-4cf14cdf]{font-family:var(--font-cn);letter-spacing:-1px;color:var(--text-primary);margin-bottom:20px;font-size:52px;font-weight:900;line-height:1.2}.hero-title .highlight[data-v-4cf14cdf]{background:var(--brand-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-desc[data-v-4cf14cdf]{color:var(--text-secondary);white-space:pre-line;margin-bottom:32px;font-size:17px;line-height:1.7}.hero-buttons[data-v-4cf14cdf]{gap:14px;margin-bottom:48px;display:flex}.hero-stats[data-v-4cf14cdf]{align-items:center;gap:28px;display:flex}.stat[data-v-4cf14cdf]{flex-direction:column;gap:2px;display:flex}.stat-num[data-v-4cf14cdf]{font-family:var(--font-en);background:var(--brand-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:28px;font-weight:800}.stat-label[data-v-4cf14cdf]{color:var(--text-tertiary);font-size:13px}.stat-divider[data-v-4cf14cdf]{background:var(--border-light);width:1px;height:32px}.hero-visual[data-v-4cf14cdf]{height:340px;position:relative}.visual-card[data-v-4cf14cdf]{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);color:inherit;cursor:pointer;background:#fff;align-items:center;gap:12px;padding:16px 20px;text-decoration:none;transition:box-shadow .3s;animation:6s ease-in-out infinite floatCard-4cf14cdf;display:flex;position:absolute}.visual-card[data-v-4cf14cdf]:hover{box-shadow:var(--shadow-xl)}.visual-card .v-emoji[data-v-4cf14cdf]{font-size:28px}.visual-card .v-label[data-v-4cf14cdf]{color:var(--text-primary);flex:1;font-size:15px;font-weight:600}.visual-card .v-tag[data-v-4cf14cdf]{color:var(--brand-blue);border-radius:var(--radius-full);letter-spacing:.5px;background:#0066ff14;padding:3px 10px;font-size:12px;font-weight:700}.card-1[data-v-4cf14cdf]{animation-delay:0s;top:10px;left:20px}.card-2[data-v-4cf14cdf]{animation-delay:1.5s;top:90px;right:0}.card-3[data-v-4cf14cdf]{animation-delay:3s;top:180px;left:40px}.card-4[data-v-4cf14cdf]{animation-delay:4.5s;top:270px;right:20px}@keyframes floatCard-4cf14cdf{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.visual-bg[data-v-4cf14cdf]{background:var(--brand-gradient-light);filter:blur(60px);border-radius:50%;width:280px;height:280px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.hero-wave[data-v-4cf14cdf]{width:100%;margin-top:40px}.hero-wave svg[data-v-4cf14cdf]{width:100%;height:80px;display:block}@media (width<=768px){.hero[data-v-4cf14cdf]{padding:100px 0 0}.hero-grid[data-v-4cf14cdf]{grid-template-columns:1fr;gap:32px;min-height:auto}.hero-title[data-v-4cf14cdf]{font-size:34px}.hero-visual[data-v-4cf14cdf]{display:none}.hero-buttons[data-v-4cf14cdf]{flex-direction:column}.hero-stats[data-v-4cf14cdf]{gap:16px}}.capabilities[data-v-94e9ea59]{background:var(--bg-page)}.capabilities-grid[data-v-94e9ea59]{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.capability-card[data-v-94e9ea59]{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);opacity:0;padding:32px 28px;transition:all .35s;position:relative;overflow:hidden;transform:translateY(30px)}.capability-card.visible[data-v-94e9ea59]{opacity:1;transform:translateY(0)}.capability-card[data-v-94e9ea59]:hover{box-shadow:var(--shadow-lg);border-color:#0000;transform:translateY(-4px)}.capability-card:hover .card-accent[data-v-94e9ea59]{height:4px}.card-accent[data-v-94e9ea59]{background:var(--card-gradient);width:100%;height:3px;transition:height .25s;position:absolute;top:0;left:0}.card-top[data-v-94e9ea59]{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.card-emoji[data-v-94e9ea59]{font-size:40px}.card-title[data-v-94e9ea59]{font-family:var(--font-cn);color:var(--text-primary);margin-bottom:8px;font-size:20px;font-weight:700}.card-desc[data-v-94e9ea59]{color:var(--text-secondary);min-height:42px;margin-bottom:14px;font-size:14px;line-height:1.6}.card-tags[data-v-94e9ea59]{flex-wrap:wrap;gap:6px;display:flex}.card-tag[data-v-94e9ea59]{border-radius:var(--radius-sm);color:var(--text-secondary);letter-spacing:.5px;background:#00000008;padding:4px 10px;font-size:12px;font-weight:600}@media (width<=1024px){.capabilities-grid[data-v-94e9ea59]{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.capabilities-grid[data-v-94e9ea59]{grid-template-columns:1fr}}.tech[data-v-754e326b]{background:var(--bg-section)}.tech-grid[data-v-754e326b]{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.tech-card[data-v-754e326b]{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid #0000;flex-direction:column;gap:8px;padding:22px 20px;transition:all .3s;display:flex}.tech-card[data-v-754e326b]:hover{border-color:var(--border-light);box-shadow:var(--shadow-md)}.tech-dot[data-v-754e326b]{border-radius:50%;width:12px;height:12px}.tech-info[data-v-754e326b]{align-items:center;gap:10px;display:flex}.tech-name[data-v-754e326b]{font-family:var(--font-en);color:var(--text-primary);font-size:18px;font-weight:700}.tech-level[data-v-754e326b]{border-radius:var(--radius-full);letter-spacing:.5px;padding:2px 8px;font-size:11px;font-weight:700}.tech-desc[data-v-754e326b]{color:var(--text-tertiary);font-size:13px;line-height:1.5}@media (width<=768px){.tech-grid[data-v-754e326b]{grid-template-columns:repeat(2,1fr)}}.projects[data-v-ace8b786]{background:var(--bg-page)}.projects-grid[data-v-ace8b786]{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.project-card[data-v-ace8b786]{background:var(--bg-section);border-radius:var(--radius-lg);border:1px solid #0000;padding:28px;transition:all .3s}.project-card[data-v-ace8b786]:hover{border-color:var(--border-light);box-shadow:var(--shadow-md);background:#fff}.project-emoji[data-v-ace8b786]{margin-bottom:12px;font-size:36px}.project-title[data-v-ace8b786]{font-family:var(--font-cn);color:var(--text-primary);margin-bottom:8px;font-size:18px;font-weight:700}.project-link[data-v-ace8b786]:hover{color:var(--brand-blue)}.ext-icon[data-v-ace8b786]{color:var(--text-tertiary);font-size:13px}.project-desc[data-v-ace8b786]{color:var(--text-secondary);margin-bottom:14px;font-size:14px;line-height:1.6}.project-tags[data-v-ace8b786]{flex-wrap:wrap;gap:6px;display:flex}.project-tag[data-v-ace8b786]{border-radius:var(--radius-full);color:var(--brand-blue);background:#0066ff0f;padding:3px 10px;font-size:12px;font-weight:600}@media (width<=1024px){.projects-grid[data-v-ace8b786]{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.projects-grid[data-v-ace8b786]{grid-template-columns:1fr}}.faq[data-v-6ec23606]{background:var(--bg-section)}.faq-list[data-v-6ec23606]{flex-direction:column;gap:8px;max-width:720px;margin:0 auto;display:flex}.faq-item[data-v-6ec23606]{background:var(--bg-page);border-radius:var(--radius-md);border:1px solid #0000;transition:all .25s}.faq-item.open[data-v-6ec23606]{border-color:var(--border-light);box-shadow:var(--shadow-sm)}.faq-q[data-v-6ec23606]{width:100%;color:var(--text-primary);text-align:left;letter-spacing:.3px;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-size:16px;font-weight:600;display:flex}.faq-icon[data-v-6ec23606]{font-family:var(--font-en);color:var(--text-tertiary);flex-shrink:0;font-size:22px;transition:color .2s}.faq-item.open .faq-icon[data-v-6ec23606]{color:var(--brand-blue)}.faq-a-wrapper[data-v-6ec23606]{max-height:0;transition:max-height .4s;overflow:hidden}.faq-item.open .faq-a-wrapper[data-v-6ec23606]{max-height:500px}.faq-a[data-v-6ec23606]{color:var(--text-secondary);padding:0 24px 20px;font-size:14px;line-height:1.8}.cta-section[data-v-383e6d5e]{background:var(--bg-page);padding:60px 0 80px}.cta-card[data-v-383e6d5e]{background:var(--brand-gradient);border-radius:var(--radius-xl);text-align:center;color:#fff;padding:64px 48px}.cta-title[data-v-383e6d5e]{font-family:var(--font-cn);margin-bottom:12px;font-size:34px;font-weight:800}.cta-desc[data-v-383e6d5e]{opacity:.85;margin-bottom:32px;font-size:17px}.cta-buttons[data-v-383e6d5e]{justify-content:center;gap:14px;margin-bottom:24px;display:flex}.cta-note[data-v-383e6d5e]{opacity:.65;font-size:13px}@media (width<=768px){.cta-card[data-v-383e6d5e]{padding:40px 24px}.cta-title[data-v-383e6d5e]{font-size:26px}.cta-buttons[data-v-383e6d5e]{flex-direction:column;align-items:center}}.legal-page[data-v-0fe4daf7]{max-width:800px;margin:0 auto;padding:120px 0 80px}.legal-page h1[data-v-0fe4daf7]{font-family:var(--font-cn);color:var(--text-primary);margin-bottom:8px;font-size:36px;font-weight:800}.update-date[data-v-0fe4daf7]{color:var(--text-tertiary);border-bottom:1px solid var(--border-light);margin-bottom:40px;padding-bottom:24px;font-size:14px}.legal-page section[data-v-0fe4daf7]{margin-bottom:32px}.legal-page h2[data-v-0fe4daf7]{color:var(--text-primary);margin-bottom:12px;font-size:20px;font-weight:700}.legal-page p[data-v-0fe4daf7]{color:var(--text-secondary);margin-bottom:8px;font-size:15px;line-height:1.8}.legal-page a[data-v-0fe4daf7]{color:var(--brand-blue)}.legal-page a[data-v-0fe4daf7]:hover{text-decoration:underline}.legal-page[data-v-cf391ece]{max-width:800px;margin:0 auto;padding:120px 0 80px}.legal-page h1[data-v-cf391ece]{font-family:var(--font-cn);color:var(--text-primary);margin-bottom:8px;font-size:36px;font-weight:800}.update-date[data-v-cf391ece]{color:var(--text-tertiary);border-bottom:1px solid var(--border-light);margin-bottom:40px;padding-bottom:24px;font-size:14px}.legal-page section[data-v-cf391ece]{margin-bottom:32px}.legal-page h2[data-v-cf391ece]{color:var(--text-primary);margin-bottom:12px;font-size:20px;font-weight:700}.legal-page p[data-v-cf391ece]{color:var(--text-secondary);margin-bottom:8px;font-size:15px;line-height:1.8}.legal-page a[data-v-cf391ece]{color:var(--brand-blue)}.legal-page a[data-v-cf391ece]:hover{text-decoration:underline}.lang-switcher[data-v-1272c3b0]{border-radius:var(--radius-full);font-family:var(--font-en);letter-spacing:.5px;color:var(--text-tertiary);background:var(--bg-hover);align-items:center;gap:0;padding:4px 10px;font-size:12px;font-weight:600;transition:all .2s;display:inline-flex}.lang-switcher[data-v-1272c3b0]:hover{color:var(--text-primary);background:var(--border-light)}.lang-option[data-v-1272c3b0]{border-radius:var(--radius-sm);padding:2px 6px;transition:all .2s}.lang-option.active[data-v-1272c3b0]{color:var(--brand-blue);background:#0066ff1a}.lang-divider[data-v-1272c3b0]{opacity:.3;margin:0 1px}.app-header[data-v-43b1c8c6]{z-index:1000;width:100%;height:var(--header-h);background:#fff0;transition:all .3s;position:fixed;top:0;left:0}.app-header.scrolled[data-v-43b1c8c6]{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--border-light);background:#ffffffeb}.header-inner[data-v-43b1c8c6]{justify-content:space-between;align-items:center;height:100%;display:flex}.logo-link[data-v-43b1c8c6]{flex-shrink:0;align-items:center;gap:10px;display:flex}.logo-img[data-v-43b1c8c6]{flex-shrink:0;width:auto;height:36px}.logo-text[data-v-43b1c8c6]{font-family:var(--font-cn);background:var(--brand-gradient);-webkit-text-fill-color:transparent;letter-spacing:2px;-webkit-background-clip:text;background-clip:text;font-size:22px;font-weight:800}.desktop-nav[data-v-43b1c8c6]{align-items:center;gap:36px;display:flex}.desktop-nav a[data-v-43b1c8c6]{color:var(--text-secondary);letter-spacing:.5px;font-size:14px;font-weight:500;transition:color .2s}.desktop-nav a[data-v-43b1c8c6]:hover{color:var(--brand-blue)}.header-actions[data-v-43b1c8c6]{align-items:center;gap:12px;display:flex}.btn-sm[data-v-43b1c8c6]{padding:8px 20px;font-size:14px}.mobile-toggle[data-v-43b1c8c6]{flex-direction:column;gap:5px;width:28px;padding:4px 0;display:none}.mobile-toggle span[data-v-43b1c8c6]{background:var(--text-primary);transform-origin:50%;border-radius:1px;height:2px;transition:all .3s;display:block}.mobile-toggle span.open[data-v-43b1c8c6]:first-child{transform:rotate(45deg)translate(5px,5px)}.mobile-toggle span.open[data-v-43b1c8c6]:nth-child(2){opacity:0}.mobile-toggle span.open[data-v-43b1c8c6]:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}.mobile-nav[data-v-43b1c8c6]{top:var(--header-h);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);background:#fffffffa;flex-direction:column;gap:4px;width:100%;padding:24px;display:flex;position:fixed;left:0}.mobile-nav a[data-v-43b1c8c6]{color:var(--text-primary);border-radius:var(--radius-sm);padding:14px 16px;font-size:16px;font-weight:500;transition:background .2s;display:block}.mobile-nav a[data-v-43b1c8c6]:hover{background:var(--bg-hover)}.mobile-nav .mobile-cta[data-v-43b1c8c6]{text-align:center;color:#fff;margin-top:12px}.mobile-nav .mobile-lang[data-v-43b1c8c6]{padding:14px 16px}.slide-enter-active[data-v-43b1c8c6],.slide-leave-active[data-v-43b1c8c6]{transition:all .25s}.slide-enter-from[data-v-43b1c8c6],.slide-leave-to[data-v-43b1c8c6]{opacity:0;transform:translateY(-8px)}@media (width<=768px){.desktop-nav[data-v-43b1c8c6],.header-actions[data-v-43b1c8c6]{display:none}.mobile-toggle[data-v-43b1c8c6]{display:flex}}.app-footer[data-v-f0832393]{background:var(--bg-section);border-top:1px solid var(--border-light);padding:56px 0 28px}.footer-grid[data-v-f0832393]{grid-template-columns:1.2fr 2fr;gap:48px;margin-bottom:40px;display:grid}.footer-logo[data-v-f0832393]{align-items:center;gap:10px;margin-bottom:12px;display:flex}.footer-logo-img[data-v-f0832393]{flex-shrink:0;width:auto;height:32px}.footer-logo .logo-text[data-v-f0832393]{font-family:var(--font-cn);background:var(--brand-gradient);-webkit-text-fill-color:transparent;letter-spacing:2px;-webkit-background-clip:text;background-clip:text;font-size:22px;font-weight:800}.footer-tagline[data-v-f0832393]{color:var(--text-tertiary);white-space:pre-line;font-size:14px;line-height:1.7}.footer-links[data-v-f0832393]{gap:48px;display:flex}.link-group[data-v-f0832393]{flex-direction:column;gap:12px;display:flex}.link-group h4[data-v-f0832393]{color:var(--text-primary);letter-spacing:1px;text-transform:uppercase;margin-bottom:4px;font-size:13px;font-weight:700}.link-group a[data-v-f0832393]{color:var(--text-tertiary);font-size:14px;transition:color .2s}.link-group a[data-v-f0832393]:hover{color:var(--brand-blue)}.tech-tag[data-v-f0832393]{border-radius:var(--radius-sm);color:var(--text-secondary);border:1px solid var(--border-light);background:#fff;padding:3px 10px;font-size:12px;font-weight:600}.footer-bottom[data-v-f0832393]{border-top:1px solid var(--border-light);color:var(--text-tertiary);flex-direction:column;align-items:center;gap:8px;padding-top:24px;font-size:13px;display:flex}.footer-legal[data-v-f0832393]{align-items:center;gap:8px;display:flex}.footer-legal a[data-v-f0832393]{color:var(--text-secondary);transition:color .2s}.footer-legal a[data-v-f0832393]:hover{color:var(--brand-blue)}.footer-info[data-v-f0832393]{align-items:center;gap:8px;display:flex}.footer-dot[data-v-f0832393]{margin:0 4px}@media (width<=768px){.footer-grid[data-v-f0832393]{grid-template-columns:1fr;gap:32px}.footer-links[data-v-f0832393]{flex-wrap:wrap;gap:24px}}.chat-widget[data-v-a6c3f228]{z-index:9999;flex-direction:column;align-items:flex-end;gap:14px;display:flex;position:fixed;bottom:28px;right:28px}.chat-panel[data-v-a6c3f228]{background:#fff;border-radius:16px;width:320px;overflow:hidden;box-shadow:0 8px 40px #00000024}.panel-header[data-v-a6c3f228]{background:var(--brand-gradient);color:#fff;align-items:center;gap:14px;padding:20px;display:flex}.panel-avatar[data-v-a6c3f228]{background:#fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:flex}.panel-title[data-v-a6c3f228]{letter-spacing:1px;font-size:17px;font-weight:700}.panel-status[data-v-a6c3f228]{opacity:.85;margin-top:2px;font-size:12px}.panel-body[data-v-a6c3f228]{padding:20px}.panel-greeting[data-v-a6c3f228]{color:var(--text-primary);margin-bottom:6px;font-size:15px;font-weight:600}.panel-hint[data-v-a6c3f228]{color:var(--text-tertiary);margin-bottom:18px;font-size:13px;line-height:1.5}.panel-btn[data-v-a6c3f228]{letter-spacing:.5px;border-radius:10px;justify-content:center;align-items:center;gap:6px;width:100%;margin-bottom:16px;padding:14px;font-size:15px;font-weight:700;transition:all .2s;display:flex}.panel-btn.primary[data-v-a6c3f228]{background:var(--brand-gradient);color:#fff;box-shadow:0 2px 8px #0066ff40}.panel-btn.primary[data-v-a6c3f228]:hover{transform:translateY(-1px);box-shadow:0 4px 16px #0066ff59}.panel-divider[data-v-a6c3f228]{color:var(--text-tertiary);align-items:center;gap:12px;margin-bottom:16px;font-size:12px;display:flex}.panel-divider[data-v-a6c3f228]:before,.panel-divider[data-v-a6c3f228]:after{content:"";background:var(--border-light);flex:1;height:1px}.panel-qr[data-v-a6c3f228]{text-align:center;background:#f7f8fa;border-radius:10px;margin-bottom:14px;padding:16px}.qr-label[data-v-a6c3f228]{color:var(--text-primary);margin-bottom:12px;font-size:13px;font-weight:600}.qr-img-wrapper[data-v-a6c3f228]{border:1px solid var(--border-light);background:#fff;border-radius:8px;width:160px;height:160px;margin:0 auto 10px;position:relative;overflow:hidden}.qr-img[data-v-a6c3f228]{object-fit:contain;z-index:1;width:100%;height:100%;display:block;position:relative}.qr-placeholder[data-v-a6c3f228]{z-index:0;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.qr-placeholder-inner[data-v-a6c3f228]{text-align:center;flex-direction:column;align-items:center;gap:6px;padding:12px;display:flex}.qr-placeholder-inner span[data-v-a6c3f228]{color:var(--text-tertiary);font-size:11px;line-height:1.4}.qr-hint[data-v-a6c3f228]{color:var(--text-tertiary);font-size:11px}.panel-note[data-v-a6c3f228]{color:var(--text-tertiary);text-align:center;font-size:12px;line-height:1.5}.chat-toggle[data-v-a6c3f228]{background:var(--brand-gradient);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;transition:all .25s;display:flex;box-shadow:0 4px 16px #0066ff4d}.chat-toggle[data-v-a6c3f228]:hover{transform:scale(1.08);box-shadow:0 6px 24px #06f6}.toggle-icon[data-v-a6c3f228]{font-size:24px;line-height:1}.panel-enter-active[data-v-a6c3f228]{transition:all .3s}.panel-leave-active[data-v-a6c3f228]{transition:all .2s}.panel-enter-from[data-v-a6c3f228]{opacity:0;transform:translateY(12px)scale(.95)}.panel-leave-to[data-v-a6c3f228]{opacity:0;transform:translateY(8px)scale(.97)}@media (width<=480px){.chat-widget[data-v-a6c3f228]{bottom:16px;right:16px}.chat-panel[data-v-a6c3f228]{width:calc(100vw - 48px);max-width:320px}}:root{--brand-blue:#06f;--brand-cyan:#00b8d4;--brand-purple:#6c47ff;--brand-gradient:linear-gradient(135deg, #06f 0%, #6c47ff 100%);--brand-gradient-light:linear-gradient(135deg, #0066ff0f 0%, #6c47ff0f 100%);--text-primary:#1f2329;--text-secondary:#646a73;--text-tertiary:#8f959e;--text-inverse:#fff;--bg-page:#fff;--bg-section:#f7f8fa;--bg-card:#fff;--bg-hover:#f2f3f5;--border-light:#e5e6eb;--border-card:#eeeef0;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px #0000000f;--shadow-lg:0 8px 24px #00000014;--shadow-xl:0 16px 48px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--font-en:"Inter", system-ui, sans-serif;--font-cn:"Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--header-h:64px;--max-width:1200px;font-family:var(--font-cn);color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px;line-height:1.6}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh}.lang-en body{font-family:var(--font-en)}.lang-zh body{font-family:var(--font-cn)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer;background:0 0;border:none;font-family:inherit}ul{list-style:none}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}.btn{border-radius:var(--radius-full);letter-spacing:.5px;white-space:nowrap;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:600;transition:all .25s;display:inline-flex}.btn-primary{background:var(--brand-gradient);color:var(--text-inverse);box-shadow:0 2px 8px #0066ff40}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #0066ff59}.btn-outline{color:var(--text-primary);border:1.5px solid var(--border-light);background:0 0}.btn-outline:hover{border-color:var(--brand-blue);color:var(--brand-blue);background:#0066ff0a}.btn-lg{padding:16px 36px;font-size:17px}.section{padding:80px 0}.section-header{text-align:center;margin-bottom:56px}.section-label{letter-spacing:2px;text-transform:uppercase;color:var(--brand-blue);border-radius:var(--radius-full);background:#0066ff14;margin-bottom:16px;padding:6px 16px;font-size:13px;font-weight:700;display:inline-block}.section-title{font-family:var(--font-cn);color:var(--text-primary);letter-spacing:-.5px;margin-bottom:12px;font-size:38px;font-weight:800}.section-desc{color:var(--text-secondary);max-width:520px;margin:0 auto;font-size:17px}@media (width<=768px){.section{padding:48px 0}.section-header{margin-bottom:32px}.section-title{font-size:28px}.section-desc{font-size:15px}}.lang-en{--brand-blue:#2563eb;--brand-purple:#2563eb;--brand-gradient:linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);--brand-gradient-light:linear-gradient(135deg, #2563eb0a 0%, #1d4ed80a 100%);--heading-weight:700}.lang-en .hero{background:linear-gradient(170deg,#f8fafc 0%,#fff 40% 100%)}.lang-en .hero-visual{display:none}.lang-en .hero-grid{text-align:center;grid-template-columns:1fr;min-height:auto;padding-bottom:40px}.lang-en .hero-title{letter-spacing:-1.5px;font-size:48px;font-weight:700}.lang-en .hero-desc{max-width:600px;margin-left:auto;margin-right:auto;font-size:18px}.lang-en .hero-buttons,.lang-en .hero-stats{justify-content:center}.lang-en .hero-badge{color:var(--text-secondary);letter-spacing:.5px;background:0 0;margin-bottom:16px;padding:0;font-size:14px;font-weight:600}.lang-en .badge-dot{display:none}.lang-en .btn{letter-spacing:0;border-radius:8px}.lang-en .btn-primary{box-shadow:none;background:#2563eb}.lang-en .btn-primary:hover{background:#1d4ed8;box-shadow:0 2px 8px #2563eb33}.lang-en .section{padding:100px 0}.lang-en .section-label{color:var(--text-tertiary);letter-spacing:1.5px;background:0 0;margin-bottom:12px;padding:0;font-size:12px;font-weight:600}.lang-en .section-title{letter-spacing:-1px;font-size:36px;font-weight:700}.lang-en .section-desc{font-size:16px}.lang-en .capability-card{border:1px solid var(--border-card);box-shadow:0 1px 3px #0000000a}.lang-en .capability-card:hover{border-color:#2563eb;box-shadow:0 4px 16px #0000000f}.lang-en .card-accent{display:none}.lang-en .card-emoji{filter:grayscale(.3);font-size:28px}.lang-en .card-title{font-size:18px;font-weight:600}.lang-en .project-card{box-shadow:0 1px 3px #0000000a}.lang-en .project-card:hover{border-color:#2563eb}.lang-en .project-tag{color:var(--text-secondary);background:#f1f5f9;font-weight:500}.lang-en .faq-q{font-size:15px;font-weight:500}.lang-en .cta-card{background:#1e293b}.lang-en .app-footer{background:#f8fafc}@media (width<=768px){.lang-en .hero-title{font-size:32px}.lang-en .section-title{font-size:28px}}