        :root {
            --primary: #0b2559;
            --primary-light: #16428f;
            --primary-accent: #2563eb;
            --secondary: #0284c7;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --dark: #0f172a;
            --slate: #334155;
            --muted: #64748b;
            --border: #e2e8f0;
            --border-focus: #2563eb;
            --bg-page: #f8fafc;
            --bg-card: #ffffff;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-sm: 0 2px 8px rgba(11, 37, 89, 0.04);
            --shadow-md: 0 10px 30px -5px rgba(11, 37, 89, 0.08);
            --shadow-lg: 0 20px 45px -10px rgba(11, 37, 89, 0.15);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
        }

        body {
            background-color: var(--bg-page);
            background-image: 
                radial-gradient(at 0% 0%, rgba(2, 132, 199, 0.07) 0px, transparent 45%),
                radial-gradient(at 100% 0%, rgba(37, 99, 235, 0.07) 0px, transparent 45%);
            background-attachment: fixed;
            color: var(--dark);
            line-height: 1.6;
            min-height: 100vh;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            width: 100%;
        }

        .container {
            max-width: 1240px;
            margin: 24px auto;
            padding: 0 16px;
        }


        /* ================= Sarker Net Primary Top Navbar ================= */
        .site-header-sn {
            position: sticky;
            top: 0;
            z-index: 9999;
            background: linear-gradient(135deg, #071e4a 0%, #0d3477 55%, #184ea8 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            box-shadow: 0 4px 25px rgba(7, 30, 74, 0.35);
            width: 100%;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .site-header-sn .nav-container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 10px 16px;
            box-sizing: border-box;
        }

        .site-header-sn .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            gap: 16px;
        }

        .site-header-sn .logo-container {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex: 1 1 auto;
            overflow: hidden;
            text-decoration: none;
        }

        .site-header-sn .logo {
            font-size: 1.3rem;
            color: white;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.08) 100%);
            width: 42px;
            height: 42px;
            min-width: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.25);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(8px);
            transition: transform 0.2s ease, border-color 0.2s ease;
            flex-shrink: 0;
        }

        .site-header-sn .logo:hover {
            transform: scale(1.04);
            border-color: rgba(255, 255, 255, 0.45);
        }

                .site-header-sn .brand-text {
            min-width: 0;
            display: flex;
            align-items: center;
        }

        .site-header-sn .brand-text h1 {
            font-size: 1.15rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin: 0;
            line-height: 1.2;
            color: #ffffff;
            white-space: nowrap;
        }

        .site-header-sn .badge-verified,
        .site-header-sn .brand-sub,
        .site-header-sn .brand-text p {
            display: none !important;
        }

        /* Desktop Header Actions */
        .site-header-sn .header-actions {
            display: flex;
            align-items: center;
            gap: 7px;
            flex-wrap: nowrap;
            flex-shrink: 0;
        }

        .nav-pill-btn {
            height: 38px;
            padding: 0 13px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            text-decoration: none;
            font-family: inherit;
            font-size: 12.5px;
            font-weight: 700;
            letter-spacing: 0.2px;
            white-space: nowrap;
            transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
            user-select: none;
            box-sizing: border-box;
        }

        .nav-pill-btn i {
            font-size: 13.5px;
            flex-shrink: 0;
        }

        .nav-pill-glass {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #ffffff;
            backdrop-filter: blur(8px);
        }

        .nav-pill-glass:hover {
            background: rgba(255, 255, 255, 0.24);
            border-color: rgba(255, 255, 255, 0.45);
            color: #ffffff;
            transform: translateY(-1.5px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
        }

        .nav-pill-btn.active {
            background: #ffffff !important;
            color: #071e4a !important;
            border-color: #ffffff !important;
            box-shadow: 0 4px 14px rgba(255, 255, 255, 0.35);
        }

        .nav-pill-btn.active i {
            color: #071e4a !important;
        }

        .nav-pill-helpline:hover {
            background: #ffffff;
            color: #071e4a !important;
            border-color: #ffffff;
            transform: translateY(-1.5px);
        }

        .nav-pill-helpline:hover i {
            color: #071e4a !important;
        }

        .nav-pill-selfcare {
            background: linear-gradient(135deg, #059669 0%, #10b981 100%);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
        }

        .nav-pill-selfcare:hover {
            background: linear-gradient(135deg, #047857 0%, #059669 100%);
            color: #ffffff;
            transform: translateY(-1.5px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.55);
        }

        .nav-pill-admin {
            background: rgba(37, 99, 235, 0.28);
            border: 1px solid rgba(147, 197, 253, 0.4);
            color: #e0e7ff;
        }

        .nav-pill-admin:hover {
            background: #2563eb;
            color: #ffffff;
            border-color: #60a5fa;
            transform: translateY(-1.5px);
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
        }

        .nav-pill-wa {
            background: #25d366;
            color: white;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            text-decoration: none;
            transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
            box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
            flex-shrink: 0;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .nav-pill-wa:hover {
            transform: scale(1.08) translateY(-1.5px);
            box-shadow: 0 6px 20px rgba(37, 211, 102, 0.55);
            color: white;
        }

        /* Mobile Header Controls */
        .mobile-header-controls {
            display: none;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .mobile-quick-btn {
            width: 34px;
            height: 34px;
            min-width: 34px;
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 14px;
            text-decoration: none;
            border: 1px solid rgba(255, 255, 255, 0.22);
            transition: transform 0.15s ease, background 0.15s ease;
            box-sizing: border-box;
        }

        .mobile-wa-btn {
            background: #25d366;
            box-shadow: 0 2px 8px rgba(37, 211, 102, 0.35);
        }

        .mobile-wa-btn:hover {
            transform: scale(1.05);
            background: #22c55e;
        }

        .mobile-call-btn {
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
        }

        .mobile-call-btn:hover {
            transform: scale(1.05);
            background: rgba(255, 255, 255, 0.28);
        }

        .menu-toggle-sn {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border: 1.5px solid rgba(255, 255, 255, 0.32);
            border-radius: 9px;
            background: rgba(255, 255, 255, 0.16);
            color: #ffffff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all 0.15s ease;
            outline: none;
            -webkit-tap-highlight-color: transparent;
            box-sizing: border-box;
        }

        .menu-toggle-sn:hover,
        .menu-toggle-sn:focus-visible {
            background: rgba(255, 255, 255, 0.28);
            border-color: rgba(255, 255, 255, 0.5);
        }

        /* Mobile Backdrop Overlay */
        .mobile-menu-backdrop {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(4, 15, 38, 0.65);
            backdrop-filter: blur(3px);
            -webkit-backdrop-filter: blur(3px);
            z-index: 9990;
        }

        .mobile-menu-backdrop.open {
            display: block;
        }

        /* Mobile Menu Drawer */
        .mobile-menu-sn {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #081d42;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
            max-height: calc(100vh - 65px);
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
            z-index: 9998;
        }

        .mobile-menu-sn.open {
            display: block;
            animation: snSlideDown 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        }

        @keyframes snSlideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-menu-inner {
            padding: 12px 16px 20px;
            max-width: 600px;
            margin: 0 auto;
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 10px;
            margin-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .mobile-drawer-title {
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            color: #93c5fd;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .mobile-drawer-close {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 15px;
            transition: all 0.15s ease;
            outline: none;
        }

        .mobile-drawer-close:hover,
        .mobile-drawer-close:active {
            background: rgba(239, 68, 68, 0.4);
            border-color: #ef4444;
            color: #ffffff;
        }

        .mobile-menu-section-title {
            font-size: 11px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            color: #93c5fd;
            margin: 6px 0 8px 6px;
        }

        .mobile-nav-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            margin-bottom: 7px;
            color: #ffffff;
            text-decoration: none;
            font-size: 14px;
            font-weight: 700;
            transition: all 0.18s ease;
        }

        .mobile-nav-item:hover,
        .mobile-nav-item:active {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateX(3px);
        }

        .mobile-nav-item.active {
            background: #ffffff !important;
            color: #071e4a !important;
            border-color: #ffffff !important;
            box-shadow: 0 4px 14px rgba(255, 255, 255, 0.25);
        }

        .mobile-nav-item.active .mobile-nav-item-left i {
            color: #071e4a !important;
        }

        .mobile-nav-item.active .mobile-nav-badge {
            background: #071e4a;
            color: #ffffff;
        }

        .mobile-nav-item-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mobile-nav-item-left i {
            font-size: 16px;
            width: 20px;
            text-align: center;
        }

        .mobile-nav-badge {
            font-size: 10.5px;
            font-weight: 800;
            padding: 2px 8px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.12);
            color: #cbd5e1;
        }

        .mobile-nav-badge.badge-green {
            background: #059669;
            color: #ffffff;
        }

        .mobile-support-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            margin-top: 6px;
        }

        .mobile-support-btn {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 10px;
            text-decoration: none;
            color: white;
            font-size: 12px;
            transition: transform 0.18s ease;
        }

        .mobile-support-btn:hover {
            transform: translateY(-1.5px);
        }

        .mobile-support-call {
            background: linear-gradient(135deg, #1e40af, #2563eb);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .mobile-support-wa {
            background: linear-gradient(135deg, #059669, #10b981);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .mobile-support-btn i {
            font-size: 18px;
        }

        .mobile-support-btn div {
            line-height: 1.25;
        }

        .mobile-support-btn small {
            display: block;
            opacity: 0.85;
            font-size: 10px;
        }

        .mobile-support-btn strong {
            font-size: 12.5px;
        }

        /* ================= ICC Talk App Download Button & Banner ================= */
        .icctalk-btn-badge {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: #2b3e50;
            color: #ffffff !important;
            padding: 7px 18px;
            border-radius: 10px;
            text-decoration: none !important;
            border: 1px solid rgba(255, 255, 255, 0.16);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
            transition: all 0.2s ease-in-out;
            cursor: pointer;
            vertical-align: middle;
            user-select: none;
        }

        .icctalk-btn-badge:hover {
            background: #1e2b38;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
            border-color: rgba(255, 255, 255, 0.35);
            color: #ffffff !important;
        }

        .icctalk-btn-badge:active {
            transform: translateY(0);
        }

        .icctalk-btn-badge .icctalk-btn-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .icctalk-btn-badge .icctalk-btn-labels {
            display: flex;
            flex-direction: column;
            text-align: left;
            line-height: 1.15;
        }

        .icctalk-btn-badge .icctalk-btn-sub {
            font-size: 11px;
            font-weight: 500;
            color: #e2e8f0;
            letter-spacing: 0.3px;
        }

        .icctalk-btn-badge .icctalk-btn-main {
            font-size: 16.5px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.2px;
        }

        /* ================= Modern App & Video Hero Hub Banner ================= */
        .app-banner-card {
            background: linear-gradient(135deg, #071938 0%, #0c2556 35%, #153c82 75%, #1e4bb5 100%);
            border-radius: 20px;
            padding: 24px 28px;
            margin-bottom: 28px;
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            align-items: center;
            gap: 28px;
            box-shadow: 0 18px 45px -10px rgba(7, 25, 56, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.14);
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .banner-ambient-glow {
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
            filter: blur(40px);
            opacity: 0.5;
        }
        .banner-ambient-glow.glow-1 {
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.5) 0%, transparent 70%);
            top: -60px;
            right: 20%;
        }
        .banner-ambient-glow.glow-2 {
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.35) 0%, transparent 70%);
            bottom: -60px;
            right: -30px;
        }

        .app-banner-left {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            min-width: 0;
            position: relative;
            z-index: 2;
        }

        .app-banner-icon-box {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.08) 100%);
            border: 1px solid rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #ffffff;
            flex-shrink: 0;
            backdrop-filter: blur(12px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.4);
            position: relative;
        }

        .app-banner-icon-box .icon-pulse-ring {
            position: absolute;
            inset: -4px;
            border-radius: 20px;
            border: 2px solid rgba(96, 165, 250, 0.5);
            animation: iconPulseRing 2.4s infinite ease-out;
            pointer-events: none;
        }

        @keyframes iconPulseRing {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.08); opacity: 0.2; }
            100% { transform: scale(1.15); opacity: 0; }
        }

        .app-banner-text {
            min-width: 0;
        }

        .app-banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(16, 185, 129, 0.18);
            border: 1px solid rgba(16, 185, 129, 0.4);
            color: #6ee7b7;
            font-size: 11px;
            font-weight: 800;
            padding: 4px 11px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 8px;
            backdrop-filter: blur(4px);
        }

        .pulse-live-dot {
            width: 7px;
            height: 7px;
            background-color: #10b981;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
            animation: liveDotPulse 1.8s infinite;
        }

        @keyframes liveDotPulse {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        .app-banner-text h3 {
            font-size: 1.32rem;
            font-weight: 800;
            margin: 0 0 6px;
            color: #ffffff;
            letter-spacing: -0.3px;
            line-height: 1.35;
        }

        .app-banner-text p {
            font-size: 0.92rem;
            color: #cbd5e1;
            margin: 0 0 10px;
            line-height: 1.55;
        }

        .app-banner-chips {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .banner-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #e2e8f0;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            backdrop-filter: blur(4px);
        }

        .banner-chip i.fa-check-circle { color: #34d399; }
        .banner-chip i.fa-bolt { color: #38bdf8; }

        /* Right Side: Action Hub */
        .app-banner-right {
            position: relative;
            z-index: 2;
            min-width: 0;
        }

        .banner-hub-grid {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        /* Hub Windows Card */
        .hub-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 14px;
            padding: 12px 14px;
            backdrop-filter: blur(8px);
            transition: all 0.25s ease;
        }
        .hub-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.28);
        }

        .hub-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .hub-icon-wrap {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .hub-icon-wrap.icon-win {
            background: rgba(37, 99, 235, 0.35);
            border: 1px solid rgba(96, 165, 250, 0.5);
            color: #93c5fd;
        }

        .hub-meta {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .hub-tag {
            font-size: 0.72rem;
            color: #93c5fd;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hub-title {
            font-size: 0.88rem;
            font-weight: 700;
            color: #ffffff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hub-btn-group {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 8px;
        }

        .hub-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 10px;
            text-decoration: none !important;
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .hub-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
        }

        .hub-btn-primary {
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #ffffff !important;
        }
        .hub-btn-primary:hover {
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
        }

        .hub-btn-cyan {
            background: rgba(8, 145, 178, 0.45);
            border: 1px solid rgba(34, 211, 238, 0.4);
            color: #e0f2fe !important;
        }
        .hub-btn-cyan:hover {
            background: rgba(8, 145, 178, 0.7);
            color: #ffffff !important;
        }

        .btn-text-wrap {
            display: flex;
            flex-direction: column;
            text-align: left;
            line-height: 1.25;
            min-width: 0;
        }

        .btn-main-label {
            font-size: 0.85rem;
            font-weight: 800;
            white-space: nowrap;
        }

        .btn-sub-label {
            font-size: 0.7rem;
            opacity: 0.88;
            white-space: nowrap;
        }

        .hub-badge-pill {
            margin-left: auto;
            background: rgba(255, 255, 255, 0.25);
            color: #ffffff;
            font-size: 0.65rem;
            font-weight: 800;
            padding: 2px 6px;
            border-radius: 6px;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }

        /* Dual Row: Mobile App & YouTube Video */
        .hub-row-dual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .hub-action-tile {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 12px;
            padding: 10px 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none !important;
            transition: all 0.25s ease;
            backdrop-filter: blur(8px);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }
        .hub-action-tile:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
        }

        .tile-android {
            border-color: rgba(16, 185, 129, 0.35);
        }
        .tile-android:hover {
            background: rgba(16, 185, 129, 0.2);
            border-color: rgba(16, 185, 129, 0.65);
        }

        .tile-video {
            border-color: rgba(239, 68, 68, 0.35);
        }
        .tile-video:hover {
            background: rgba(239, 68, 68, 0.2);
            border-color: rgba(239, 68, 68, 0.65);
        }

        .tile-icon-box {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            position: relative;
        }
        .tile-icon-box.icon-android {
            background: rgba(16, 185, 129, 0.25);
            border: 1px solid rgba(52, 211, 153, 0.45);
            color: #34d399;
        }
        .tile-icon-box.icon-youtube {
            background: rgba(239, 68, 68, 0.25);
            border: 1px solid rgba(248, 113, 113, 0.5);
            color: #f87171;
        }

        .tile-info {
            display: flex;
            flex-direction: column;
            min-width: 0;
            flex: 1;
            line-height: 1.25;
        }

        .tile-tag {
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.4px;
        }
        .tile-android .tile-tag { color: #6ee7b7; }
        .tile-video .tile-tag { color: #fca5a5; }

        .tile-title {
            font-size: 0.85rem;
            font-weight: 800;
            color: #ffffff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .tile-size {
            font-size: 0.7rem;
            color: #cbd5e1;
            margin-top: 2px;
            white-space: nowrap;
        }

        .tile-arrow {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }
        .hub-action-tile:hover .tile-arrow {
            background: rgba(255, 255, 255, 0.25);
            transform: scale(1.1);
        }

        .tile-video .pulse-arrow {
            background: rgba(239, 68, 68, 0.35);
            color: #ffffff;
            animation: playPulse 2s infinite ease-in-out;
        }
        @keyframes playPulse {
            0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
            70% { transform: scale(1.12); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
            100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
        }

        /* Highlight animation when scrolled from button */
        @keyframes videoPulseHighlight {
            0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.8); }
            50% { box-shadow: 0 0 0 16px rgba(37, 99, 235, 0.25); }
            100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
        }
        .video-section-highlight {
            animation: videoPulseHighlight 1.6s ease-out 2;
            border-color: #3b82f6 !important;
        }

        /* Video Lightbox Modal */
        .video-modal-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(7, 25, 56, 0.85);
            backdrop-filter: blur(8px);
            z-index: 99999;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .video-modal-backdrop.open {
            display: flex;
            opacity: 1;
        }
        .video-modal-card {
            background: #0f172a;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 18px;
            width: 100%;
            max-width: 860px;
            box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
            overflow: hidden;
            transform: scale(0.95);
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .video-modal-backdrop.open .video-modal-card {
            transform: scale(1);
        }
        .video-modal-header {
            padding: 14px 20px;
            background: #1e293b;
            border-bottom: 1px solid #334155;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: #ffffff;
        }
        .modal-video-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 700;
        }
        .video-modal-close {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: #ffffff;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }
        .video-modal-close:hover {
            background: #ef4444;
        }
        .video-modal-iframe-wrap {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            background: #000000;
        }
        .video-modal-iframe-wrap iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }
        .video-modal-footer {
            padding: 12px 20px;
            background: #1e293b;
            border-top: 1px solid #334155;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .btn-yt-direct {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #ef4444;
            color: #ffffff !important;
            padding: 7px 14px;
            border-radius: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            text-decoration: none !important;
            transition: background 0.2s;
        }
        .btn-yt-direct:hover {
            background: #dc2626;
        }
        .btn-modal-dismiss {
            background: #334155;
            border: 1px solid #475569;
            color: #cbd5e1;
            padding: 7px 14px;
            border-radius: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
        }
        .btn-modal-dismiss:hover {
            background: #475569;
            color: #ffffff;
        }

        @media (max-width: 1024px) {
            .app-banner-card {
                grid-template-columns: 1fr;
                gap: 22px;
                padding: 22px;
            }
        }

        @media (max-width: 640px) {
            .app-banner-card {
                padding: 18px 16px;
            }
            .app-banner-left {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .hub-btn-group {
                grid-template-columns: 1fr;
            }
            .hub-row-dual {
                grid-template-columns: 1fr;
            }
        }

        /* ================= Alert Messages ================= */
        .alert {
            padding: 16px 22px;
            margin-bottom: 25px;
            border-radius: var(--radius-md);
            display: none;
            align-items: center;
            font-weight: 500;
            font-size: 0.96rem;
            animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            box-shadow: var(--shadow-sm);
        }

        .alert-success {
            background: #ecfdf5;
            color: #065f46;
            border: 1px solid #a7f3d0;
        }

        .alert-error {
            background: #fef2f2;
            color: #991b1b;
            border: 1px solid #fecaca;
        }

        .alert i {
            margin-right: 12px;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ================= Success Card ================= */
        .success-message {
            text-align: center;
            padding: 60px 30px;
            background: white;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            margin-bottom: 40px;
            display: none;
            border-top: 6px solid var(--success);
            animation: fadeIn 0.5s ease;
        }

        .success-icon {
            font-size: 4.5rem;
            color: var(--success);
            margin-bottom: 20px;
            animation: pulseSuccess 2s infinite;
        }

        @keyframes pulseSuccess {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .success-message h2 {
            color: #065f46;
            margin-bottom: 12px;
            font-size: 2rem;
            font-weight: 800;
        }

        .success-message p {
            color: var(--slate);
            font-size: 1.05rem;
            margin-bottom: 12px;
        }

        .ref-box {
            display: inline-block;
            background: #f1f5f9;
            padding: 8px 20px;
            border-radius: 30px;
            margin: 10px 0 16px;
            border: 1.5px dashed #94a3b8;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* ================= Form Container ================= */
        .form-container {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            overflow: hidden;
            margin-bottom: 40px;
        }

        .form-header {
            background: linear-gradient(135deg, #091f48 0%, #153e7e 60%, #1e40af 100%);
            color: white;
            padding: 30px 35px;
            text-align: center;
            position: relative;
        }

        .form-header h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }

        .form-header p {
            opacity: 0.9;
            font-size: 1.05rem;
            color: #e2e8f0;
            max-width: 650px;
            margin: 0 auto;
        }

        .form-header-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 10px;
            color: #93c5fd;
        }

        .form-body {
            padding: 42px 40px;
        }

        /* ================= Bangla Warning Callout ================= */
        .bangla-notice {
            background: #fffbeb;
            border: 1px solid #fde68a;
            border-left: 5px solid #f59e0b;
            padding: 18px 24px;
            margin-bottom: 35px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.08);
        }

        .bangla-notice .notice-icon-wrap {
            background: #fef3c7;
            color: #d97706;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .bangla-notice .notice-text-wrap {
            color: #78350f;
            font-size: 1rem;
            line-height: 1.6;
        }

        .bangla-notice .notice-text-wrap strong {
            color: #92400e;
            font-weight: 700;
        }

        .bangla-notice .notice-sub {
            font-size: 0.87rem;
            color: #b45309;
            margin-top: 6px;
            font-weight: 500;
        }

        /* ================= Form Sections ================= */
        .form-section {
            margin-bottom: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid #f1f5f9;
        }

        .form-section:last-of-type {
            border-bottom: none;
            margin-bottom: 25px;
            padding-bottom: 0;
        }

        .section-title {
            font-size: 1.32rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            letter-spacing: -0.2px;
        }

        .section-title .title-badge {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: #eff6ff;
            color: var(--primary-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
            border: 1px solid #dbeafe;
        }

        .section-desc {
            font-size: 0.94rem;
            color: var(--muted);
            margin-top: -16px;
            margin-bottom: 24px;
            font-weight: 500;
        }

        .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 22px;
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--slate);
            font-size: 0.94rem;
        }

        .form-label .req {
            color: var(--danger);
            margin-left: 2px;
        }

        .form-control {
            width: 100%;
            padding: 13px 16px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.96rem;
            color: var(--dark);
            background: #f8fafc;
            transition: var(--transition);
        }

        .form-control:focus {
            background: #ffffff;
            border-color: var(--border-focus);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
            outline: none;
        }

        .input-group {
            position: relative;
        }

        .input-group-addon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 1.05rem;
            pointer-events: none;
            transition: var(--transition);
        }

        .input-group:focus-within .input-group-addon {
            color: var(--primary-accent);
        }

        .input-group .form-control {
            padding-left: 45px;
        }

        /* ================= Modern Radio & Checkbox Chips ================= */
        .radio-chip-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 6px;
        }

        .radio-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            background: #f8fafc;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
            font-size: 0.93rem;
            color: var(--slate);
            user-select: none;
        }

        .radio-chip:hover {
            border-color: #93c5fd;
            background: #f0f7ff;
            color: var(--primary);
        }

        .radio-chip input[type="radio"] {
            accent-color: var(--primary-accent);
            width: 16px;
            height: 16px;
            margin: 0;
            cursor: pointer;
        }

        .radio-chip:has(input:checked) {
            border-color: var(--primary-accent);
            background: #eff6ff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
        }

        /* ================= Preferred Numbers Cards ================= */
        .prefix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
            gap: 18px;
            margin-top: 8px;
        }

        .prefix-card {
            background: #f8fafc;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: var(--transition);
        }

        .prefix-card:focus-within {
            border-color: var(--primary-accent);
            background: #ffffff;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
        }

        .prefix-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .choice-badge {
            font-size: 0.8rem;
            font-weight: 700;
            background: #e2e8f0;
            color: var(--slate);
            padding: 3px 10px;
            border-radius: 6px;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }

        .prefix-pill {
            background: var(--primary);
            color: white;
            font-weight: 800;
            font-size: 0.92rem;
            padding: 4px 12px;
            border-radius: 8px;
            letter-spacing: 0.5px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .prefix-card input.prefix {
            font-size: 1.05rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-align: left;
        }

        /* ================= Document Upload Cards ================= */
        .upload-category {
            margin-bottom: 26px;
        }

        .upload-header-box {
            background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
            border: 1px solid #cbd5e1;
            color: #1e293b;
            font-weight: 700;
            font-size: 0.98rem;
            padding: 8px 18px;
            border-radius: 8px;
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.3px;
        }

        .file-upload {
            position: relative;
            overflow: hidden;
            display: inline-block;
            width: 100%;
        }

        .file-upload-btn {
            background: #f8fafc;
            border: 2px dashed #94a3b8;
            color: var(--slate);
            padding: 18px 20px;
            border-radius: var(--radius-md);
            font-size: 0.96rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            transition: var(--transition);
            width: 100%;
            text-align: center;
        }

        .file-upload-btn:hover {
            background: #eff6ff;
            border-color: var(--primary-accent);
            color: var(--primary-accent);
            transform: translateY(-1px);
        }

        .file-upload-btn i {
            font-size: 1.35rem;
        }

        .file-upload input[type="file"] {
            position: absolute;
            top: 0;
            right: 0;
            min-width: 100%;
            min-height: 100%;
            font-size: 100px;
            text-align: right;
            opacity: 0;
            outline: none;
            background: white;
            cursor: pointer;
            display: block;
        }

        .file-info {
            font-size: 0.84rem;
            color: var(--muted);
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }

        /* ================= Terms Section ================= */
        .terms-section {
            background: #f8fafc;
            padding: 26px 28px;
            border-radius: var(--radius-md);
            margin: 30px 0 25px;
            border: 1px solid var(--border);
            border-left: 5px solid var(--primary);
        }

        .terms-section p {
            margin-bottom: 14px;
            line-height: 1.7;
            color: var(--slate);
            font-size: 0.95rem;
        }

        .terms-section ul {
            margin-left: 20px;
            margin-bottom: 14px;
            color: var(--muted);
            font-size: 0.93rem;
        }

        .terms-section li {
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .warning-text {
            color: var(--danger);
            font-weight: 700;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .agree-checkbox-wrap {
            margin-top: 20px;
            background: #ffffff;
            padding: 14px 18px;
            border-radius: 10px;
            border: 1.5px solid var(--border);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .agree-checkbox-wrap:hover {
            border-color: #93c5fd;
        }

        .checkbox-label {
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.96rem;
            color: var(--dark);
            user-select: none;
            width: 100%;
        }

        .checkbox-label input {
            width: 19px;
            height: 19px;
            accent-color: var(--primary-accent);
            cursor: pointer;
        }

        /* ================= Submit Button ================= */
        .submit-btn-wrap {
            text-align: center;
            margin-top: 35px;
        }

        .submit-btn {
            background: linear-gradient(135deg, #071e4a 0%, #0d3477 50%, #1d4ed8 100%);
            color: white;
            border: none;
            padding: 18px 42px;
            font-size: 1.18rem;
            font-weight: 800;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            box-shadow: 0 10px 25px -5px rgba(7, 30, 74, 0.4);
            width: 100%;
            max-width: 340px;
            letter-spacing: 0.2px;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px -4px rgba(7, 30, 74, 0.5);
            background: linear-gradient(135deg, #0d3477 0%, #1d4ed8 100%);
        }

        .submit-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
        }

        /* ================= Modern Form Header Badges & Progress Bar ================= */
        .form-header-top {
            margin-bottom: 12px;
        }

        .form-super-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.15);
            color: #93c5fd;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.4px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .form-trust-badges {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }

        .trust-badge-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            color: #e0e7ff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
        }

        .trust-badge-item i {
            color: #60a5fa;
            font-size: 11px;
        }

        .form-progress-wrap {
            max-width: 650px;
            margin: 20px auto 0;
            background: rgba(255, 255, 255, 0.1);
            padding: 12px 18px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
        }

        .form-progress-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            font-weight: 700;
            color: #e0e7ff;
            margin-bottom: 8px;
        }

        .form-progress-info .progress-label {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .form-progress-info .progress-label i {
            color: #38bdf8;
        }

        .form-progress-track {
            background: rgba(255, 255, 255, 0.2);
            height: 8px;
            border-radius: 10px;
            overflow: hidden;
        }

        .form-progress-bar {
            height: 100%;
            width: 0%;
            background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
            border-radius: 10px;
            transition: width 0.4s ease;
        }

        /* ================= Modern Form Layout ================= */
        .icc-form-wrapper {
            display: flex;
            gap: 30px;
            align-items: flex-start;
        }

        .icc-main-col {
            flex: 1 1 73%;
            min-width: 0;
        }

        .icc-side-col {
            flex: 0 0 27%;
            min-width: 275px;
            position: sticky;
            top: 20px;
        }

        /* Horizontal Form Row */
        .icc-row {
            display: flex;
            align-items: center;
            margin-bottom: 14px;
            gap: 16px;
        }

        .icc-label {
            width: 195px;
            flex-shrink: 0;
            font-size: 13.5px;
            font-weight: 600;
            color: #1e293b;
            margin: 0;
            line-height: 1.4;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .icc-label .req {
            color: #ef4444;
            font-weight: 800;
        }

        .icc-field {
            flex: 1 1 auto;
            min-width: 0;
            position: relative;
        }

        .icc-input, .icc-select {
            width: 100%;
            height: 42px;
            padding: 8px 14px;
            font-size: 13.5px;
            font-family: inherit;
            color: #0f172a;
            background-color: #f8fafc;
            border: 1.5px solid #cbd5e1;
            border-radius: 8px;
            box-sizing: border-box;
            transition: all .2s ease-in-out;
            outline: none;
        }

        .icc-input:focus, .icc-select:focus {
            background-color: #ffffff;
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .icc-input::placeholder {
            color: #94a3b8;
            font-size: 13px;
        }

        .icc-input.valid {
            border-color: #10b981;
            background-color: #ffffff;
        }

        .icc-input.has-error {
            border-color: #ef4444;
            background-color: #fef2f2;
        }

        /* Interactive Radio Pills */
        .icc-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .icc-pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 14px;
            border: 1.5px solid #cbd5e1;
            border-radius: 8px;
            background: #f8fafc;
            cursor: pointer;
            font-size: 13px;
            font-weight: 600;
            color: #334155;
            transition: all 0.2s ease;
            user-select: none;
            margin: 0;
        }

        .icc-pill:hover {
            border-color: #93c5fd;
            background: #f0f7ff;
            color: #1e40af;
        }

        .icc-pill input[type="radio"] {
            margin: 0;
            width: 15px;
            height: 15px;
            accent-color: #2563eb;
            cursor: pointer;
        }

        .icc-pill:has(input:checked) {
            border-color: #2563eb;
            background: #eff6ff;
            color: #1d4ed8;
            font-weight: 700;
            box-shadow: 0 2px 6px rgba(37, 99, 235, 0.12);
        }

        /* Modern Gradient Header Banners */
        .icc-banner {
            background: linear-gradient(90deg, #eff6ff 0%, #f8fafc 100%);
            border: 1px solid #e2e8f0;
            border-left: 4px solid #2563eb;
            border-radius: 8px;
            padding: 10px 16px;
            margin: 22px 0 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            box-shadow: 0 1px 3px rgba(37, 99, 235, 0.04);
        }

        .icc-banner-title {
            font-size: 14.5px;
            font-weight: 700;
            color: #1e3a8a;
            display: flex;
            align-items: center;
            gap: 9px;
            letter-spacing: -0.2px;
        }

        .icc-banner-title i {
            color: #2563eb;
            font-size: 14px;
        }

        .autofill-btn {
            background: #ffffff;
            color: #2563eb;
            border: 1.5px solid #bfdbfe;
            padding: 5px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }

        .autofill-btn:hover {
            background: #2563eb;
            color: #ffffff;
            border-color: #2563eb;
            transform: translateY(-1px);
        }

        /* 3-Column Prefix Grid & Cards */
        .icc-prefix-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin-bottom: 14px;
        }

        .icc-prefix-card {
            background: #f8fafc;
            border: 1.5px solid #cbd5e1;
            border-radius: 10px;
            padding: 12px 14px;
            transition: all 0.2s ease;
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .icc-prefix-card:focus-within {
            border-color: #2563eb;
            background: #ffffff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
        }

        .icc-prefix-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .icc-prefix-tag {
            font-size: 10.5px;
            font-weight: 700;
            color: #475569;
            background: #e2e8f0;
            padding: 2px 7px;
            border-radius: 4px;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }

        .icc-prefix-label {
            font-size: 12.5px;
            font-weight: 700;
            color: #1e293b;
        }

        .icc-prefix-input-wrap {
            display: flex;
            align-items: stretch;
            border: 1.5px solid #cbd5e1;
            border-radius: 7px;
            overflow: hidden;
            background: #ffffff;
            transition: border-color 0.2s ease;
        }

        .icc-prefix-input-wrap:focus-within {
            border-color: #2563eb;
            box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
        }

        .icc-prefix-badge {
            background: #1e3a8a;
            color: #ffffff;
            font-weight: 800;
            font-size: 12.5px;
            padding: 7px 10px;
            display: flex;
            align-items: center;
            letter-spacing: 0.5px;
            user-select: none;
        }

        .icc-prefix-input {
            flex: 1;
            border: none;
            outline: none;
            padding: 7px 10px;
            font-size: 13.5px;
            font-weight: 700;
            color: #0f172a;
            letter-spacing: 1px;
            width: 100%;
            background: transparent;
        }

        .icc-prefix-preview {
            font-size: 11px;
            color: #64748b;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .icc-prefix-preview span {
            color: #2563eb;
            font-weight: 700;
            font-family: monospace;
            font-size: 11.5px;
        }

        /* 4-Column Address Grid */
        .icc-address-row {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1fr 1.1fr;
            gap: 12px;
            margin-bottom: 14px;
        }

        .icc-address-col {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .icc-address-col label {
            font-size: 12.5px;
            font-weight: 600;
            color: #334155;
            margin: 0;
        }

        /* ================= Document Upload Dropzone Cards (Right Sidebar) ================= */
        .icc-dropzone-card {
            background: #ffffff;
            border: 1.5px solid #e2e8f0;
            border-radius: 12px;
            margin-bottom: 18px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .icc-dropzone-card:hover {
            border-color: #cbd5e1;
            box-shadow: 0 4px 14px rgba(0,0,0,0.06);
        }

        .icc-dropzone-card.dragover {
            border-color: #2563eb;
            background: #eff6ff;
        }

        .icc-dropzone-header {
            background: #f8fafc;
            border-bottom: 1px solid #e2e8f0;
            padding: 10px 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .dropzone-header-title {
            font-size: 13px;
            font-weight: 700;
            color: #1e293b;
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .dropzone-header-title i {
            color: #2563eb;
            font-size: 14px;
        }

        .dropzone-required-badge {
            background: #fee2e2;
            color: #b91c1c;
            font-size: 10px;
            font-weight: 800;
            padding: 2px 7px;
            border-radius: 4px;
            letter-spacing: 0.3px;
        }

        .icc-dropzone-body {
            padding: 14px;
        }

        .icc-hidden-file {
            display: none;
        }

        .icc-dropzone-view {
            border: 2px dashed #cbd5e1;
            border-radius: 10px;
            padding: 20px 12px;
            text-align: center;
            cursor: pointer;
            transition: all 0.2s ease;
            background: #f8fafc;
        }

        .icc-dropzone-view:hover {
            border-color: #2563eb;
            background: #f0f7ff;
        }

        .dropzone-icon {
            font-size: 30px;
            color: #2563eb;
            margin-bottom: 8px;
        }

        .dropzone-text {
            font-size: 12.5px;
            color: #1e293b;
            margin-bottom: 4px;
        }

        .dropzone-text strong {
            color: #2563eb;
        }

        .dropzone-sub {
            font-size: 11px;
            color: #64748b;
            font-weight: 500;
            line-height: 1.4;
        }

        .icc-file-preview-card {
            margin-top: 10px;
            display: none;
        }

        .preview-inner {
            background: #f1f5f9;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            padding: 10px;
            position: relative;
        }

        .preview-inner img {
            width: 100%;
            max-height: 130px;
            object-fit: contain;
            border-radius: 6px;
            background: #ffffff;
            display: block;
        }

        .preview-pdf {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px;
            background: #eff6ff;
            border: 1px solid #bfdbfe;
            border-radius: 6px;
            color: #1e40af;
            font-size: 12px;
            font-weight: 600;
        }

        .preview-pdf i {
            font-size: 24px;
            color: #ef4444;
        }

        .preview-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 8px;
            font-size: 11px;
            color: #64748b;
            font-weight: 600;
        }

        .preview-remove-btn {
            background: #fee2e2;
            color: #b91c1c;
            border: 1px solid #fecaca;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .preview-remove-btn:hover {
            background: #ef4444;
            color: #ffffff;
        }

        .icc-side-help-card {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            padding: 14px;
            font-size: 12px;
            color: #475569;
        }

        .icc-side-help-card h4 {
            font-size: 12.5px;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .icc-side-help-card h4 i {
            color: #2563eb;
        }

        .icc-side-help-card ul {
            padding-left: 18px;
            margin: 0;
            line-height: 1.5;
        }

        .icc-side-help-card li {
            margin-bottom: 5px;
        }

        /* ================= Terms & Declaration Card ================= */
        .icc-terms-card {
            background: #ffffff;
            border: 1.5px solid #e2e8f0;
            border-left: 5px solid #2563eb;
            border-radius: 12px;
            padding: 22px 24px;
            margin: 28px 0 20px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
        }

        .icc-terms-header {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 12px;
        }

        .icc-terms-header i {
            color: #2563eb;
            font-size: 18px;
        }

        .icc-terms-content p {
            font-size: 13.5px;
            color: #334155;
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .icc-terms-list {
            list-style: none;
            padding: 0;
            margin: 0 0 16px 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .icc-terms-list li {
            font-size: 12.5px;
            color: #475569;
            display: flex;
            align-items: flex-start;
            gap: 9px;
            line-height: 1.5;
        }

        .icc-terms-list li i {
            color: #10b981;
            font-size: 12px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .icc-agree-box {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #f8fafc;
            border: 1.5px solid #cbd5e1;
            border-radius: 8px;
            padding: 12px 16px;
            cursor: pointer;
            transition: all 0.2s ease;
            user-select: none;
            margin: 0;
        }

        .icc-agree-box:hover {
            border-color: #93c5fd;
            background: #f0f7ff;
        }

        .icc-agree-box input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: #2563eb;
            cursor: pointer;
            flex-shrink: 0;
            margin: 0;
        }

        .agree-text {
            font-size: 13.5px;
            font-weight: 700;
            color: #0f172a;
        }

        .agree-text .req {
            color: #ef4444;
        }

        /* ================= High-Impact Submit Area ================= */
        .icc-submit-row {
            text-align: center;
            margin-top: 24px;
            padding-top: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .icc-submit-btn {
            background: linear-gradient(135deg, #091f48 0%, #153e7e 50%, #2563eb 100%);
            color: #ffffff;
            border: none;
            padding: 15px 45px;
            font-size: 16px;
            font-weight: 800;
            border-radius: 10px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            box-shadow: 0 8px 24px -4px rgba(37, 99, 235, 0.4);
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            letter-spacing: 0.2px;
            min-width: 320px;
        }

        .icc-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px -4px rgba(37, 99, 235, 0.55);
            background: linear-gradient(135deg, #0d285c 0%, #1e4bb5 100%);
        }

        .icc-submit-btn:disabled {
            opacity: 0.65;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .icc-security-note {
            font-size: 12px;
            font-weight: 600;
            color: #64748b;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .icc-security-note i {
            color: #10b981;
        }

        @media (max-width: 1024px) {
            .icc-form-wrapper {
                flex-direction: column;
            }
            .icc-side-col {
                width: 100%;
                position: static;
            }
            .icc-prefix-row {
                grid-template-columns: 1fr;
            }
            .icc-address-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .icc-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .icc-label {
                width: 100%;
            }
            .icc-address-row {
                grid-template-columns: 1fr;
            }
            .form-trust-badges {
                flex-direction: column;
                align-items: center;
            }
            .icc-submit-btn {
                width: 100%;
                min-width: unset;
            }
        }

        /* ================= Recharge & SelfCare Guide Section ================= */
        .recharge-section {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            overflow: hidden;
            margin-bottom: 40px;
            scroll-margin-top: 100px;
        }

        .recharge-header {
            background: linear-gradient(135deg, #091f48 0%, #153e7e 60%, #1e40af 100%);
            color: white;
            padding: 30px 35px;
            text-align: center;
            position: relative;
        }

        .recharge-header h2 {
            font-size: 1.85rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }

        .recharge-header p {
            color: #cbd5e1;
            font-size: 1.02rem;
            max-width: 680px;
            margin: 0 auto;
        }

        .recharge-body {
            padding: 38px 35px;
        }

        .selfcare-highlight-card {
            background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
            border: 1.5px solid #a7f3d0;
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.08);
        }

        .selfcare-highlight-text {
            flex: 1;
            min-width: 280px;
        }

        .selfcare-highlight-text h4 {
            font-size: 1.25rem;
            color: #065f46;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
        }

        .selfcare-highlight-text p {
            color: #047857;
            font-size: 0.96rem;
            line-height: 1.6;
            margin: 0;
        }

        .selfcare-btn-action {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #059669;
            color: white;
            padding: 13px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.98rem;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
            flex-shrink: 0;
        }

        .selfcare-btn-action:hover {
            background: #047857;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(5, 150, 105, 0.45);
            color: white;
        }

        /* App Highlight Card in Recharge Guide */
        .app-highlight-card {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            border: 1.5px solid #cbd5e1;
            border-radius: var(--radius-lg);
            padding: 22px 26px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            box-shadow: 0 4px 14px rgba(30, 41, 59, 0.08);
        }

        .app-highlight-text {
            flex: 1;
            min-width: 280px;
        }

        .app-highlight-text h4 {
            font-size: 1.25rem;
            color: #0f172a;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
        }

        .app-highlight-text p {
            color: #334155;
            font-size: 0.96rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Payment App Cards Grid */
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 26px;
        }

        .payment-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1.5px solid var(--border);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .payment-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }

        .payment-card.bkash-card {
            border-top: 5px solid #d12053;
        }

        .payment-card.nagad-card {
            border-top: 5px solid #f97316;
        }

        .payment-card-header {
            padding: 20px 24px;
            border-bottom: 1px solid #f1f5f9;
            background: #fafafa;
        }

        .bkash-card .payment-card-header h3 {
            color: #d12053;
            font-size: 1.25rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
        }

        .nagad-card .payment-card-header h3 {
            color: #ea580c;
            font-size: 1.25rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
        }

        .payment-steps-list {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            flex: 1;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .step-number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            color: white;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .bkash-card .step-number {
            background: #d12053;
            box-shadow: 0 2px 6px rgba(209, 32, 83, 0.35);
        }

        .nagad-card .step-number {
            background: #f97316;
            box-shadow: 0 2px 6px rgba(249, 115, 22, 0.35);
        }

        .step-content {
            flex: 1;
        }

        .step-title {
            font-weight: 700;
            font-size: 0.98rem;
            color: #1e293b;
            margin-bottom: 2px;
        }

        .step-desc {
            font-size: 0.91rem;
            color: #64748b;
            line-height: 1.5;
        }

        .merchant-highlight-box {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fdf2f8;
            border: 1px solid #fbcfe8;
            padding: 4px 10px;
            border-radius: 8px;
            font-family: 'Courier New', monospace;
            font-weight: 800;
            color: #be185d;
            font-size: 1.05rem;
            margin-top: 5px;
        }

        .nagad-card .merchant-highlight-box {
            background: #fff7ed;
            border: 1px solid #fed7aa;
            color: #c2410c;
        }

        .copy-badge-btn {
            background: #ffffff;
            border: 1px solid #cbd5e1;
            border-radius: 6px;
            padding: 3px 8px;
            font-size: 0.78rem;
            cursor: pointer;
            font-family: inherit;
            font-weight: 600;
            color: #475569;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .copy-badge-btn:hover {
            background: #0f172a;
            color: white;
            border-color: #0f172a;
        }

        .recharge-helpline-box {
            background: #f8fafc;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-top: 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .helpline-box-text {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .helpline-box-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: #eff6ff;
            color: #2563eb;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .helpline-box-text h4 {
            font-size: 1.05rem;
            color: #0f172a;
            margin-bottom: 3px;
            font-weight: 700;
        }

        .helpline-box-text p {
            font-size: 0.92rem;
            color: #64748b;
            margin: 0;
        }

        .helpline-buttons {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .helpline-tel-btn {
            background: #1e40af;
            color: white;
            padding: 9px 18px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 700;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .helpline-tel-btn:hover {
            background: #1e3a8a;
            color: white;
        }

        .helpline-wa-btn {
            background: #25d366;
            color: white;
            padding: 9px 18px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 700;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .helpline-wa-btn:hover {
            background: #1eb954;
            color: white;
        }

        /* ================= Footer ================= */
        footer {
            text-align: center;
            margin-top: 45px;
            padding: 35px 24px;
            background: linear-gradient(135deg, #071e4a 0%, #0d3477 55%, #184ea8 100%);
            color: white;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .footer-logo {
            font-size: 2.5rem;
            margin-bottom: 12px;
            opacity: 0.95;
            color: #60a5fa;
        }

        .footer-text h3 {
            font-size: 1.55rem;
            margin-bottom: 8px;
            font-weight: 800;
            letter-spacing: -0.3px;
        }

        .footer-text p {
            font-size: 0.96rem;
            opacity: 0.88;
            color: #cbd5e1;
            line-height: 1.65;
        }

        .footer-contact-info {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin: 22px 0 10px;
        }

        .footer-contact-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 8px 18px;
            border-radius: 25px;
            font-size: 0.92rem;
            backdrop-filter: blur(5px);
            transition: var(--transition);
        }

        .footer-contact-item:hover {
            background: rgba(255, 255, 255, 0.22);
            transform: translateY(-2px);
        }

        .footer-contact-item a {
            color: white;
            text-decoration: none;
            font-weight: 600;
        }

        .copyright {
            font-size: 0.88rem;
            opacity: 0.8;
            margin-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 18px;
            color: #94a3b8;
        }

        /* ================= Responsive Rules for Header & Mobile ================= */
        @media (max-width: 1180px) {
            .site-header-sn .header-actions {
                display: none !important;
            }
            .mobile-header-controls {
                display: flex !important;
            }
        }

        @media (max-width: 640px) {
            .site-header-sn .nav-container {
                padding: 8px 12px;
            }
            .site-header-sn .header-content {
                gap: 8px;
            }
            .site-header-sn .logo {
                width: 36px;
                height: 36px;
                min-width: 36px;
                border-radius: 10px;
            }
            .site-header-sn .logo img {
                width: 22px;
                height: 22px;
            }
            .site-header-sn .brand-text h1 {
                font-size: 1.02rem;
            }
            .mobile-support-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 380px) {
            .site-header-sn .nav-container {
                padding: 6px 8px;
            }
            .site-header-sn .logo-container {
                gap: 6px;
            }
            .site-header-sn .brand-text h1 {
                font-size: 0.90rem;
            }
            .mobile-quick-btn {
                width: 32px;
                height: 32px;
                min-width: 32px;
                font-size: 13px;
            }
            .menu-toggle-sn {
                width: 34px;
                height: 34px;
                min-width: 34px;
                font-size: 15px;
            }
        }

        @media (max-width: 860px) {
            .form-body {
                padding: 28px 20px;
            }

            .form-header {
                padding: 24px 20px;
            }

            .form-header h2 {
                font-size: 1.55rem;
            }

            .form-row {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .nav-pill-btn {
                padding: 0 11px;
                font-size: 11.5px;
                height: 36px;
            }
        }

        /* ================= PC Software & IP Phone Connection Guide Section ================= */
        .pc-guide-section {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            overflow: hidden;
            margin-bottom: 40px;
            scroll-margin-top: 100px;
        }

        .pc-guide-header {
            background: linear-gradient(135deg, #091a3c 0%, #17366e 50%, #0369a1 100%);
            color: white;
            padding: 34px 30px;
            text-align: center;
            position: relative;
        }

        .pc-guide-super-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.28);
            border-radius: 20px;
            padding: 5px 16px;
            font-size: 0.82rem;
            font-weight: 700;
            color: #bae6fd;
            margin-bottom: 12px;
            letter-spacing: 0.4px;
            text-transform: uppercase;
        }

        .pc-guide-header h2 {
            font-size: 1.85rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .pc-guide-header p {
            color: #cbd5e1;
            font-size: 1.02rem;
            max-width: 740px;
            margin: 0 auto;
            line-height: 1.55;
        }

        .pc-guide-body {
            padding: 35px 30px;
        }

        /* 3-Column Software Download Cards Grid */
        .software-dl-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
            gap: 22px;
            margin-bottom: 35px;
        }

        .software-dl-card {
            background: #ffffff;
            border-radius: 16px;
            border: 1.5px solid #e2e8f0;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
            position: relative;
            transition: all 0.25s ease;
        }

        .software-dl-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.09);
            border-color: #93c5fd;
        }

        .dl-badge-tag {
            position: absolute;
            top: 14px;
            right: 16px;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 11px;
            border-radius: 20px;
            background: #dbeafe;
            color: #1e40af;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }

        .dl-badge-cyan {
            background: #cffafe;
            color: #0e7490;
        }

        .dl-badge-emerald {
            background: #d1fae5;
            color: #065f46;
        }

        .dl-card-icon-box {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.45rem;
            margin-bottom: 14px;
        }

        .dl-icon-blue {
            background: #eff6ff;
            color: #2563eb;
            border: 1px solid #bfdbfe;
        }

        .dl-icon-cyan {
            background: #ecfeff;
            color: #0891b2;
            border: 1px solid #a5f3fc;
        }

        .dl-icon-emerald {
            background: #ecfdf5;
            color: #059669;
            border: 1px solid #a7f3d0;
        }

        .dl-card-info h4 {
            font-size: 1.2rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 6px;
        }

        .dl-card-desc {
            font-size: 0.9rem;
            color: #475569;
            line-height: 1.5;
            margin-bottom: 14px;
        }

        .dl-card-meta {
            display: flex;
            flex-direction: column;
            gap: 4px;
            font-size: 0.8rem;
            color: #64748b;
            font-weight: 600;
            margin-bottom: 18px;
            background: #f8fafc;
            padding: 8px 12px;
            border-radius: 8px;
            border: 1px solid #f1f5f9;
        }

        .dl-card-meta span {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .dl-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: 100%;
            padding: 12px 18px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.92rem;
            text-decoration: none;
            transition: all 0.2s ease;
            cursor: pointer;
            text-align: center;
            border: none;
        }

        .dl-btn-blue {
            background: #2563eb;
            color: #ffffff !important;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        .dl-btn-blue:hover {
            background: #1d4ed8;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
        }

        .dl-btn-cyan {
            background: #0891b2;
            color: #ffffff !important;
            box-shadow: 0 4px 14px rgba(8, 145, 178, 0.3);
        }

        .dl-btn-cyan:hover {
            background: #0e7490;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(8, 145, 178, 0.4);
        }

        .dl-btn-emerald {
            background: #059669;
            color: #ffffff !important;
            box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3);
        }

        .dl-btn-emerald:hover {
            background: #047857;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(5, 150, 105, 0.4);
        }

        /* Video Showcase Box */
        .video-tutorial-box {
            background: #0f172a;
            border-radius: 18px;
            overflow: hidden;
            border: 1.5px solid #334155;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            margin-bottom: 35px;
        }

        .video-box-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            background: #1e293b;
            flex-wrap: wrap;
            gap: 14px;
        }

        .video-box-title {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .video-box-title h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: #ffffff;
            margin: 0;
        }

        .video-box-title p {
            font-size: 0.85rem;
            color: #94a3b8;
            margin: 3px 0 0 0;
        }

        .youtube-direct-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #ef4444;
            color: #ffffff !important;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.86rem;
            font-weight: 700;
            text-decoration: none !important;
            transition: all 0.2s;
            box-shadow: 0 3px 10px rgba(239, 68, 68, 0.35);
        }

        .youtube-direct-btn:hover {
            background: #dc2626;
            transform: translateY(-1px);
            box-shadow: 0 5px 15px rgba(239, 68, 68, 0.45);
        }

        .video-responsive-wrapper {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 ratio */
            height: 0;
            overflow: hidden;
            background: #000000;
        }

        .video-responsive-wrapper iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }

        .video-box-footer {
            padding: 12px 24px;
            background: #111827;
            font-size: 0.85rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .video-box-footer a {
            color: #38bdf8;
            font-weight: 600;
            text-decoration: underline;
        }

        /* Interactive Setup Tabs */
        .setup-tabs-container {
            background: #ffffff;
            border: 1.5px solid #e2e8f0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
        }

        .setup-tabs-nav {
            display: flex;
            background: #f8fafc;
            border-bottom: 1.5px solid #e2e8f0;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .setup-tabs-nav::-webkit-scrollbar {
            display: none;
        }

        .setup-tab-btn {
            display: flex;
            align-items: center;
            gap: 9px;
            padding: 16px 22px;
            border: none;
            background: transparent;
            font-size: 0.92rem;
            font-weight: 700;
            color: #64748b;
            cursor: pointer;
            border-bottom: 3px solid transparent;
            transition: all 0.2s;
            white-space: nowrap;
        }

        .setup-tab-btn:hover {
            color: #1e40af;
            background: #f1f5f9;
        }

        .setup-tab-btn.active {
            color: #1e40af;
            background: #ffffff;
            border-bottom-color: #2563eb;
        }

        .setup-tabs-content {
            padding: 28px 26px;
        }

        .setup-tab-pane {
            display: none;
        }

        .setup-tab-pane.active {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        .tab-pane-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Timeline steps */
        .steps-timeline {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .timeline-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .timeline-step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #2563eb;
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.92rem;
            flex-shrink: 0;
            margin-top: 2px;
            box-shadow: 0 3px 8px rgba(37, 99, 235, 0.35);
        }

        .timeline-step-body {
            flex: 1;
        }

        .timeline-step-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #1e293b;
            margin: 0 0 5px 0;
        }

        .timeline-step-body p {
            font-size: 0.92rem;
            color: #475569;
            margin: 0;
            line-height: 1.6;
        }

        .timeline-param-list {
            margin: 10px 0 0 0;
            padding-left: 20px;
            font-size: 0.9rem;
            color: #334155;
            line-height: 1.75;
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 12px 18px 12px 32px;
        }

        .timeline-param-list code {
            background: #e2e8f0;
            color: #0f172a;
            padding: 2px 7px;
            border-radius: 4px;
            font-weight: 700;
            font-family: monospace;
            font-size: 0.92rem;
        }

        /* SIP Param Cards Grid */
        .sip-param-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 16px;
        }

        .param-card {
            background: #f8fafc;
            border: 1.5px solid #e2e8f0;
            border-radius: 12px;
            padding: 14px 18px;
            transition: all 0.2s;
        }

        .param-card:hover {
            border-color: #cbd5e1;
            background: #f1f5f9;
        }

        .param-label {
            font-size: 0.78rem;
            text-transform: uppercase;
            font-weight: 700;
            color: #64748b;
            margin-bottom: 6px;
            letter-spacing: 0.4px;
        }

        .param-value-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .param-text {
            font-size: 1.02rem;
            font-weight: 700;
            color: #0f172a;
            word-break: break-all;
        }

        /* Troubleshoot Grid */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 18px;
        }

        .troubleshoot-item {
            background: #f8fafc;
            border: 1.5px solid #e2e8f0;
            border-radius: 12px;
            padding: 18px 20px;
        }

        .troubleshoot-item h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #0f172a;
            margin: 0 0 8px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .troubleshoot-item p {
            font-size: 0.9rem;
            color: #475569;
            margin: 0;
            line-height: 1.55;
        }

        @media (max-width: 768px) {
            .pc-guide-header {
                padding: 24px 20px;
            }

            .pc-guide-header h2 {
                font-size: 1.45rem;
            }

            .pc-guide-body {
                padding: 24px 18px;
            }

            .video-box-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .setup-tab-btn {
                padding: 12px 16px;
                font-size: 0.86rem;
            }
        }

        /* Loading Spinner */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255,255,255,.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 1s ease-in-out infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }
