:root{--blue-50:#EFF6FF;--blue-100:#DBEAFE;--blue-200:#BFDBFE;--blue-300:#93C5FD;--blue-500:#3B82F6;--blue-600:#2563EB;--blue-700:#1D4ED8;--blue-800:#1E40AF;--blue-900:#1E3A8A;--sky-50:#F0F9FF;--sky-400:#38BDF8;--sky-500:#0EA5E9;--green:#10B981;--amber:#F59E0B;--red:#EF4444;--text-dark:#0F2247;--text-mid:#334E7A;--text-light:#6B84A8;--shadow-sm:0 1px 3px rgba(30,64,175,.08);--shadow-md:0 4px 16px rgba(30,64,175,.12);--shadow-lg:0 12px 40px rgba(30,64,175,.16);--radius:14px;--radius-lg:22px}.topbar-link{display:flex;align-items:center;gap:6px;color:var(--blue-200);text-decoration:none;font-weight:500;direction:ltr}.logo-sub{font-size:11px;color:var(--text-light)}.nav-links a{padding:6px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-mid);text-decoration:none;transition:background .2s,color .2s}.article-cat{display:inline-flex;align-items:center;gap:6px;background:var(--blue-100);color:var(--blue-700);padding:5px 14px;border-radius:50px;font-size:12px;font-weight:800;margin-bottom:18px}.answer-box{background:var(--blue-600);border-radius:var(--radius-lg);padding:28px 30px;margin-bottom:36px}.article-body>h2{font-size:clamp(20px,2.8vw,28px);font-weight:900;color:var(--text-dark);margin:48px 0 16px;padding-right:16px;border-right:4px solid var(--blue-600);line-height:1.3}.article-body ul,.article-body>ol{padding-right:24px;margin-bottom:18px}.article-body a{color:var(--blue-600);text-decoration:none;font-weight:600;border-bottom:1px solid var(--blue-200)}.article-body a:hover{border-color:var(--blue-600)}.info-box p{font-size:14px;color:var(--text-mid);margin-bottom:0;line-height:1.7}.stat-highlight{background:linear-gradient(135deg,var(--blue-600),var(--blue-800));border-radius:var(--radius);padding:24px 28px;margin:32px 0;display:flex;align-items:center;gap:20px}.sh-num{font-size:46px;font-weight:900;color:#fff;line-height:1;flex-shrink:0}.sh-text{font-size:15px;color:var(--blue-200);line-height:1.6}.story-box{border-radius:var(--radius-lg);padding:24px;margin:28px 0}.story-box.email-story{background:#FFF5F5;border:1px solid #FECACA}.story-box.ticket-story{background:#F0FDF4;border:1px solid #BBF7D0}.story-label{font-size:11px;font-weight:800;letter-spacing:.06em;margin-bottom:10px}.story-box.email-story .story-label{color:#DC2626}.story-box.ticket-story .story-label{color:#166534}.story-title{font-size:16px;font-weight:800;margin-bottom:10px}.story-box.email-story .story-title{color:#991B1B}.story-box.ticket-story .story-title{color:#14532D}.story-text{font-size:14px;line-height:1.75}.story-box.email-story .story-text{color:#7F1D1D}.story-box.ticket-story .story-text{color:#14532D}.comp-table{width:100%;border-collapse:collapse;margin:28px 0;box-shadow:var(--shadow-lg);border-radius:var(--radius);overflow:hidden}.comp-table th{padding:15px 16px;text-align:center;font-size:13px;font-weight:800}.comp-table th:first-child{text-align:right;background:var(--blue-800);color:var(--blue-200)}.comp-table th.email-col{background:#DC2626;color:#fff}.comp-table th.ticket-col{background:#166534;color:#fff}.comp-table td{font-size:13px;padding:13px 16px;border-bottom:1px solid var(--blue-50);text-align:center}.comp-table td:first-child{text-align:right;font-weight:700;color:var(--text-dark);background:var(--sky-50)}.comp-table td.email-val{background:#FFF5F5;color:#991B1B}.comp-table td.ticket-val{background:#F0FDF4;color:#14532D;font-weight:700}.comp-table tr:last-child td{border-bottom:none}.tc-yes{color:var(--green);font-size:16px;font-weight:900}.tc-no{color:var(--red);font-size:16px}.tc-partial{color:var(--amber);font-size:13px;font-weight:700}.when-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.when-card{border-radius:var(--radius-lg);padding:24px;border:2px solid}.when-email{background:#FFF5F5;border-color:#FECACA}.when-ticket{background:#F0FDF4;border-color:#BBF7D0}.when-icon{font-size:28px;margin-bottom:10px}.when-title{font-size:15px;font-weight:800;margin-bottom:12px}.when-email .when-title{color:#DC2626}.when-ticket .when-title{color:#166534}.when-list{list-style:none;padding:0}.when-list li{font-size:13px;margin-bottom:8px;display:flex;align-items:flex-start;gap:8px;line-height:1.5}.when-email .when-list li{color:#991B1B}.when-ticket .when-list li{color:#14532D}.email-problems{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.ep-card{background:#FFF5F5;border:1px solid #FECACA;border-radius:var(--radius);padding:18px}.ep-num{font-size:28px;font-weight:900;color:#DC2626;margin-bottom:5px}.ep-problem{font-size:13px;font-weight:800;color:#991B1B;margin-bottom:4px}.ep-desc{font-size:12px;color:#7F1D1D;line-height:1.5}.transition-steps{display:flex;flex-direction:column;gap:12px;margin:24px 0}.ts-item{display:flex;gap:14px;background:var(--sky-50);border:1px solid var(--blue-100);border-radius:var(--radius);padding:16px 18px}.ts-num{width:32px;height:32px;border-radius:50%;background:var(--blue-600);color:#fff;font-size:13px;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0}.ts-content strong{display:block;font-size:14px;font-weight:800;color:var(--text-dark);margin-bottom:3px}.ts-content span{font-size:13px;color:var(--text-mid);line-height:1.6}.cta-box p{font-size:15px;color:var(--blue-200);margin-bottom:24px}.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.cb-w{background:#fff;color:var(--blue-700);padding:13px 28px;border-radius:10px;font-size:14px;font-weight:800;text-decoration:none;display:inline-flex;align-items:center;gap:7px;transition:all .2s}.cb-w:hover{transform:translateY(-2px)}.cb-g{background:rgb(255 255 255 / .15);border:2px solid rgb(255 255 255 / .4);color:#fff;padding:11px 24px;border-radius:10px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:7px}.tag{font-size:12px;background:var(--blue-50);color:var(--blue-700);padding:4px 12px;border-radius:50px;text-decoration:none}.toc-list li a{display:block;font-size:13px;color:var(--text-mid);text-decoration:none;padding:6px 0;border-bottom:1px solid var(--blue-50)}.toc-list li a:hover{color:var(--blue-600)}.ri-icon{width:38px;height:38px;background:var(--blue-50);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}.cta-sidebar p{font-size:12px;color:var(--blue-200);margin-bottom:14px}.cta-sidebar a{display:block;background:#fff;color:var(--blue-700);padding:11px;border-radius:9px;font-size:13px;font-weight:800;text-decoration:none}.footer-col a{display:block;font-size:13px;color:#64748B;text-decoration:none;margin-bottom:10px;transition:color .2s}@media(max-width:768px){.when-grid{grid-template-columns:1fr}.email-problems{grid-template-columns:1fr}.nav-links{display:none}.stat-highlight{flex-direction:column;text-align:center}}@media(max-width:600px){.footer-top{grid-template-columns:1fr}.cta-btns{flex-direction:column;align-items:center}}