:root{--bg-primary:#090b10;--bg-surface:#11151e;--bg-card:#121823bf;--bg-card-hover:#1a2230e6;--bg-card-solid:#151b27;--border-subtle:#ffffff14;--border-medium:#ffffff24;--border-hover:#3b82f659;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#3b82f6;--accent-primary-hover:#2563eb;--accent-secondary:#10b981;--accent-purple:#8b5cf6;--accent-amber:#f59e0b;--glow-primary:#3b82f62e;--glow-emerald:#10b98126;--font-sans:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", SFMono-Regular, Menlo, Monaco, Consolas, monospace;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--radius-full:9999px;--shadow-sm:0 2px 8px #0003;--shadow-md:0 8px 24px #0000004d;--shadow-lg:0 20px 48px #00000073;--shadow-glow:0 0 60px var(--glow-primary);--header-height:72px;--container-max:1200px}[data-theme=light]{--bg-primary:#f8fafc;--bg-surface:#fff;--bg-card:#ffffffd9;--bg-card-hover:#fffffffa;--bg-card-solid:#fff;--border-subtle:#00000012;--border-medium:#0000001f;--border-hover:#2563eb66;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent-primary:#2563eb;--accent-primary-hover:#1d4ed8;--accent-secondary:#059669;--glow-primary:#2563eb1a;--glow-emerald:#05966914;--shadow-sm:0 2px 8px #0000000d;--shadow-md:0 8px 24px #00000014;--shadow-lg:0 20px 48px #0000001f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;transition:background-color .3s,color 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var(--border-medium);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;gap:12px;padding:18px;display:flex}.card-meta{justify-content:space-between;align-items:center;display:flex}.card-type-tag{border-radius:var(--radius-full);color:var(--accent-purple);background:#8b5cf61f;padding:2px 8px;font-size:.72rem;font-weight:600}.anchor-link-btn{color:var(--accent-primary);border-radius:var(--radius-sm);background:#3b82f614;align-items:center;gap:4px;padding:3px 8px;font-size:.75rem;font-weight:600;transition:background .2s;display:flex}.anchor-link-btn:hover{background:#3b82f62e}.card-title{color:var(--text-primary);font-size:.98rem;font-weight:700;line-height:1.35}.mechanism-list{color:var(--text-secondary);flex-direction:column;gap:8px;font-size:.82rem;list-style:none;display:flex}.mechanism-list li strong{color:var(--text-primary)}.card-footer-actions{border-top:1px solid var(--border-subtle);margin-top:6px;padding-top:12px}.mini-btn{color:var(--accent-secondary);border-radius:var(--radius-sm);cursor:pointer;background:#10b9811a;border:1px solid #10b98133;align-items:center;gap:6px;padding:6px 12px;font-size:.75rem;font-weight:600;display:flex}.section-container{padding:100px 0;position:relative}.section-header{margin-bottom:56px}.section-header.text-center{text-align:center}.section-subtitle{letter-spacing:.08em;color:var(--accent-primary);text-transform:uppercase;margin-bottom:12px;font-size:.8rem;font-weight:700}.section-title{letter-spacing:-.025em;margin-bottom:16px;font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;line-height:1.25}.section-desc{color:var(--text-secondary);max-width:680px;margin:0 auto;font-size:1.05rem;line-height:1.6}.interactive-demo-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);grid-template-columns:1.2fr 1fr;gap:24px;padding:24px;display:grid}.demo-pdf-column{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);flex-direction:column;display:flex;overflow:hidden}.demo-toolbar{background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:12px 18px;font-size:.82rem;display:flex}[data-theme=light] .demo-toolbar{background:#f8fafc;border-bottom:1px solid #0000000f}.file-name{color:var(--text-primary);font-weight:600}.page-text{font-family:var(--font-mono);color:var(--text-muted)}.demo-pdf-canvas{scroll-behavior:smooth;height:380px;padding:24px;position:relative;overflow-y:auto}.page-header-line{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid 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8px;font-size:.72rem;font-weight:700}.assets-list{flex-direction:column;gap:14px;display:flex}.interactive-asset-item{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;padding:16px;transition:all .25s}.interactive-asset-item:hover{border-color:var(--border-medium);transform:translate(4px)}.interactive-asset-item.active{border-color:var(--accent-primary);background:var(--bg-card-hover);box-shadow:0 4px 16px #3b82f626}.asset-item-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.asset-category{border-radius:var(--radius-full);padding:2px 8px;font-size:.72rem;font-weight:700}.med-tag{color:#60a5fa;background:#3b82f626}.law-tag{color:#fbbf24;background:#f59e0b26}.paper-tag{color:#34d399;background:#10b98126}.asset-anchor-badge{color:var(--accent-secondary);background:#10b9811a;border:1px solid #10b98133;border-radius:6px;padding:2px 8px;font-size:.72rem;font-weight:600}[data-theme=light] .asset-anchor-badge{color:#047857;background:#05966914;border-color:#0596692e}.asset-item-title{color:var(--text-primary);margin-bottom:6px;font-size:.92rem;font-weight:700}.asset-item-summary{color:var(--text-secondary);font-size:.8rem;line-height:1.5}.asset-item-action{color:var(--accent-primary);margin-top:10px;font-size:.75rem;font-weight:600}.loop-compare-grid{grid-template-columns:1fr 1fr;gap:32px;display:grid}.flow-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:36px}.flow-badge{border-radius:var(--radius-full);margin-bottom:16px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-block}.broken-badge{color:#f87171;background:#ef44441f;border:1px solid #ef444433}.closed-badge{color:var(--accent-secondary);background:#10b9811f;border:1px solid #10b98140}.flow-title{margin-bottom:24px;font-size:1.4rem;font-weight:800}.flow-steps{flex-direction:column;gap:18px;display:flex}.flow-step-item{border-radius:var(--radius-md);background:var(--bg-surface);border:1px solid var(--border-subtle);align-items:flex-start;gap:16px;padding:14px;display:flex}.linknotes-flow .flow-step-item.active{background:#3b82f60a;border-color:#3b82f640}.step-num{font-family:var(--font-mono);color:var(--text-muted);font-size:.9rem;font-weight:700}.step-icon{font-size:1.2rem}.step-info strong{color:var(--text-primary);margin-bottom:4px;font-size:.95rem;display:block}.step-info p{color:var(--text-secondary);font-size:.84rem;line-height:1.45}.bento-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.bento-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex-direction:column;justify-content:space-between;padding:32px;transition:all 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var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary);gap:8px;padding:12px 14px;font-size:.84rem;font-style:italic;display:flex}.interactive-flashcard{perspective:1000px;cursor:pointer;margin-top:14px}.flashcard-inner{text-align:center;width:100%;min-height:140px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.interactive-flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{backface-visibility:hidden;border-radius:var(--radius-md);border:1px solid var(--border-medium);flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:20px;display:flex;position:absolute}.flashcard-front{background:var(--bg-surface)}.flashcard-back{background:#10b98114;border-color:#10b9814d;transform:rotateY(180deg)}.flashcard-badge{color:var(--text-muted);margin-bottom:8px;font-size:.72rem;font-weight:700}.flashcard-question{color:var(--text-primary);font-size:.92rem;font-weight:600}.flashcard-answer{color:var(--accent-secondary);font-size:.9rem}.privacy-shield-list{color:var(--text-secondary);flex-direction:column;gap:12px;font-size:.85rem;display:flex}.privacy-item{align-items:center;gap:10px;display:flex}.privacy-item svg{color:var(--accent-secondary)}.tabs-nav-wrapper{justify-content:center;margin-bottom:40px;display:flex}.tabs-nav{background:var(--bg-surface);border-radius:var(--radius-full);border:1px solid var(--border-subtle);gap:8px;padding:6px;display:inline-flex}.tab-btn{border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:10px 22px;font-size:.88rem;font-weight:600;transition:all .2s}.tab-btn.active{background:var(--accent-primary);color:#fff;box-shadow:0 2px 10px #3b82f659}.tab-pane{display:none}.tab-pane.active{animation:.35s fadeIn;display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.case-grid{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);grid-template-columns:1fr 1.1fr;align-items:center;gap:48px;padding:48px;display:grid}.case-heading{margin-bottom:16px;font-size:1.6rem;font-weight:800;line-height:1.3}.case-desc{color:var(--text-secondary);margin-bottom:28px;font-size:.96rem;line-height:1.65}.case-features{flex-direction:column;gap:16px;display:flex}.case-feat-item strong{color:var(--text-primary);margin-bottom:4px;font-size:.95rem;display:block}.case-feat-item span{color:var(--text-muted);font-size:.85rem}.case-img-preview{border-radius:var(--radius-lg);border:1px solid var(--border-subtle);width:100%;box-shadow:var(--shadow-md);object-fit:cover}.table-responsive{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);-webkit-overflow-scrolling:touch;overflow-x:auto}.comparison-table{border-collapse:collapse;width:100%;min-width:860px;font-size:.92rem}.comparison-table th,.comparison-table td{border-bottom:1px solid var(--border-subtle);vertical-align:middle;padding:18px 20px}.comparison-table th:first-child,.comparison-table td:first-child{text-align:left;width:25%;color:var(--text-primary);font-weight:600}.comparison-table th:not(:first-child),.comparison-table td:not(:first-child){text-align:center;white-space:nowrap}.comparison-table th{color:var(--text-secondary);background:var(--bg-surface);letter-spacing:-.01em;font-size:.95rem;font-weight:700}.col-highlight{border-left:1px solid #3b82f626;border-right:1px solid #3b82f626;width:21%;background:#3b82f60d!important}.table-brand-header{color:var(--accent-primary);justify-content:center;align-items:center;gap:8px;font-weight:800;display:inline-flex}.badge-good,.badge-poor,.badge-neutral{border-radius:var(--radius-full);white-space:nowrap;letter-spacing:-.01em;box-sizing:border-box;justify-content:center;align-items:center;padding:6px 14px;font-size:.82rem;font-weight:600;line-height:1.25;display:inline-flex}.badge-good{color:#10b981;background:#10b9811f;border:1px solid #10b9813d}.badge-poor{color:#f87171;background:#ef44441a;border:1px solid #ef444438}.badge-neutral{color:var(--text-muted);background:#94a3b81a;border:1px solid #94a3b833}[data-theme=light] .col-highlight{border-left:1px solid #2563eb1f;border-right:1px solid #2563eb1f;background:#2563eb0a!important}[data-theme=light] .badge-good{color:#047857;background:#0596691a;border-color:#05966938}[data-theme=light] .badge-poor{color:#dc2626;background:#ef444414;border-color:#ef44442e}[data-theme=light] .badge-neutral{color:#475569;background:#64748b14;border-color:#64748b2e}.faq-container{max-width:800px}.accordion-list{flex-direction:column;gap:16px;display:flex}.accordion-item{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:border-color .2s;overflow:hidden}.accordion-item.active{border-color:var(--border-hover)}.accordion-header{text-align:left;cursor:pointer;width:100%;color:var(--text-primary);background:0 0;border:none;justify-content:space-between;align-items:center;padding:20px 24px;font-size:1.05rem;font-weight:600;display:flex}.chevron-icon{color:var(--text-muted);transition:transform .3s}.accordion-item.active .chevron-icon{color:var(--accent-primary);transform:rotate(180deg)}.accordion-body{max-height:0;color:var(--text-secondary);padding:0 24px;font-size:.92rem;line-height:1.65;transition:max-height .3s cubic-bezier(0,1,0,1);overflow:hidden}.accordion-item.active .accordion-body{max-height:300px;padding-bottom:20px;transition:max-height .3s cubic-bezier(1,0,1,0)}.cta-banner{border:1px solid var(--border-medium);border-radius:var(--radius-xl);text-align:center;box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#1e293be6,#0f172af2);padding:72px 48px;position:relative;overflow:hidden}[data-theme=light] .cta-banner{background:linear-gradient(135deg,#fff,#f1f5f9);border-color:#0000001a}.cta-glow{background:radial-gradient(circle, var(--glow-primary) 0%, transparent 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16px;font-size:.82rem}.footer-copy{color:var(--text-muted);font-size:.75rem}.footer-heading{color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px;font-size:.85rem;font-weight:700}.footer-nav-col{flex-direction:column;gap:10px;display:flex}.footer-nav-col a{cursor:pointer;transition:color .2s}.footer-nav-col a:hover{color:var(--text-primary)}.footer-link-highlight{font-weight:500;color:var(--accent-primary)!important}.footer-link-highlight:hover{text-decoration:underline}.footer-contact-box{flex-direction:column;align-items:flex-start;gap:6px;margin:12px 0 16px;display:flex}.contact-hint{color:var(--text-muted);font-size:.76rem;font-weight:500}.footer-email-badge{background:var(--bg-card);border:1px solid var(--border-medium);font-size:.82rem;font-family:var(--font-mono,monospace);color:var(--text-primary);border-radius:8px;align-items:center;gap:6px;padding:5px 12px;text-decoration:none;transition:all .2s;display:inline-flex}.footer-email-badge:hover{background:var(--bg-card-hover);border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-1px)}.social-links{gap:12px;display:flex}.social-icon{border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border-subtle);width:38px;height:38px;color:var(--text-secondary);justify-content:center;align-items:center;transition:all .2s;display:flex}.social-icon:hover{color:var(--text-primary);border-color:var(--border-medium)}.modal-backdrop{-webkit-backdrop-filter:blur(12px);z-index:2000;opacity:0;pointer-events:none;background:#000c;justify-content:center;align-items:center;padding:20px;transition:opacity .25s cubic-bezier(.16,1,.3,1);display:flex;position:fixed;inset:0}.modal-backdrop.open{opacity:1;pointer-events:auto}.modal-card{background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:28px;width:100%;max-width:480px;padding:44px 36px 36px;transition:transform .25s cubic-bezier(.16,1,.3,1);position:relative;transform:translateY(24px)scale(.97);box-shadow:0 30px 70px #000000a6,0 0 0 1px #ffffff14}[data-theme=light] .modal-card{box-shadow:0 30px 70px #0003,0 0 0 1px #0000000d}.modal-backdrop.open .modal-card{transform:translateY(0)scale(1)}.modal-close-btn{border:1px solid var(--border-subtle);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;background:#ffffff0f;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex;position:absolute;top:18px;right:18px}[data-theme=light] .modal-close-btn{background:#0000000d}.modal-close-btn:hover{color:var(--text-primary);border-color:var(--border-medium);background:#ffffff26;transform:scale(1.05)}.modal-header{text-align:center;margin-bottom:28px}.modal-app-icon{box-shadow:var(--shadow-sm);border-radius:14px;margin-bottom:16px}.modal-title{letter-spacing:-.02em;color:var(--text-primary);margin-bottom:8px;font-size:1.35rem;font-weight:800}.modal-subtitle{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.modal-form{flex-direction:column;gap:20px;display:flex}.form-group{text-align:left;flex-direction:column;gap:8px;display:flex}.form-group label{color:var(--text-secondary);font-size:.84rem;font-weight:600}.form-input,.form-select{border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-medium);width:100%;min-height:48px;color:var(--text-primary);outline:none;padding:12px 16px;font-size:.95rem;transition:border-color .2s,box-shadow .2s}.form-input:focus,.form-select:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #3b82f633}.form-error{color:#f87171;font-size:.78rem;font-weight:500}.btn-submit{border-radius:var(--radius-md);width:100%;min-height:50px;margin-top:4px;padding:14px 24px;font-size:1rem;font-weight:700;box-shadow:0 4px 18px #3b82f659}.btn-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.modal-success{text-align:center;padding:24px 8px}.success-icon{margin-bottom:14px;font-size:2.8rem}.modal-success h4{color:var(--text-primary);margin-bottom:8px;font-size:1.3rem;font-weight:700}.modal-success p{color:var(--text-secondary);font-size:.92rem;line-height:1.6}@media (width<=1024px){.mockup-workspace{grid-template-columns:1fr}.anchor-bridge-overlay{display:none}.interactive-demo-card,.bento-grid{grid-template-columns:1fr}.bento-wide,.bento-tall{grid-column:span 1}.case-grid{grid-template-columns:1fr}.footer-container{grid-template-columns:1fr 1fr}}@media (width<=768px){.nav-links{display:none}.mobile-menu-btn{display:flex}.hero-trust-badges{flex-direction:column;gap:12px}.loop-compare-grid{grid-template-columns:1fr}.tabs-nav{border-radius:var(--radius-lg);flex-wrap:wrap}.footer-container{grid-template-columns:1fr}.modal-card{padding:32px 24px 28px}}