:root {
            --blue-dark: #0A2540;
            --blue-primary: #0055cc;
            --blue-light: #e6f0ff;
            --blue-bright: #0055cc;

            --gold: #FDCC0D;
            --gold-light: #FFF5DB;
            --gold-dark: #DAA520;

            --black: #111827;
            --gray-800: #1F2937;
            --gray-600: #4B5563;
            --gray-400: #9CA3AF;
            --gray-100: #F3F4F6;

            --white: #FFFFFF;
            --bg: #f2f7ff;

            --radius: 12px;
            --radius-lg: 18px;
        }


        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }


        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background: var(--bg);
            color: var(--black);

            display: flex;
            justify-content: center;
            align-items: center;

            min-height: 100dvh;
        }


        .shell {
            width: 100%;
            max-width: 430px;
            height: 100dvh;

            background: var(--white);

            display: flex;
            flex-direction: column;

            overflow: hidden;

            box-shadow: 0 0 60px rgba(0, 0, 0, 0.1);
        }


        /* =========================
           NAVIGATION
        ========================== */

        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;

            padding: 14px 18px;

            background: var(--white);

            border-bottom: 1px solid var(--gray-100);

            position: sticky;
            top: 0;

            z-index: 100;
        }


        .logo {
            display: flex;
            align-items: center;

            gap: 9px;

            text-decoration: none;
        }


        .logo img {
            width: 36px;
            height: 36px;

            border-radius: 9px;
        }


        .logo-name {
            font-weight: 700;
            font-size: 1rem;

            color: var(--black);
        }


        .hamburger {
            display: flex;
            flex-direction: column;

            gap: 4px;

            background: none;
            border: none;

            cursor: pointer;

            padding: 4px;
        }


        .hamburger span {
            display: block;

            width: 22px;
            height: 2px;

            background: var(--black);

            border-radius: 4px;

            transition: 0.2s;
        }


        .dropdown {
            display: none;

            position: absolute;

            top: 64px;
            right: 14px;

            background: var(--white);

            border: 1px solid var(--gray-100);

            border-radius: var(--radius);

            width: 190px;

            overflow: hidden;

            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);

            z-index: 99;
        }


        .dropdown.open {
            display: block;
        }


        .dropdown a {
            display: block;

            padding: 11px 16px;

            font-size: 0.875rem;

            font-weight: 500;

            color: var(--gray-800);

            text-decoration: none;

            border-bottom: 1px solid var(--gray-100);

            transition: background 0.15s;
        }


        .dropdown a:last-child {
            border-bottom: none;
        }


        .dropdown a:hover {
            background: var(--gold-light);
        }


        /* =========================
           SCROLL
        ========================== */

        .scroll {
            flex: 1;

            overflow-y: auto;

            scrollbar-width: none;

            padding-bottom: 56px;
        }


        .scroll::-webkit-scrollbar {
            display: none;
        }


        /* =========================
           HERO
        ========================== */

        .hero {
            padding: 30px 20px 26px;

            display: flex;
            flex-direction: column;

            align-items: center;

            text-align: center;

            background-image:
                url('https://allpayapp.net/ok.png');

            background-size: cover;

            background-position: center;

            background-repeat: no-repeat;

            border-bottom: 1px solid var(--blue-primary);

            position: relative;

            background-color: #0055cc;
        }


        .hero::before {
            content: '';

            position: absolute;

            inset: 0;

            background: rgba(10, 37, 64, 0.86);

            pointer-events: none;
        }


        .hero > * {
            position: relative;

            z-index: 1;
        }


        .hero-logo {
            width: 82px;
            height: 82px;

            border-radius: 20px;

            margin-bottom: 14px;

            box-shadow:
                0 4px 16px rgba(253, 204, 13, 0.25);
        }


        .hero h1 {
            font-size: 1.55rem;

            font-weight: 700;

            color: var(--white);

            margin-bottom: 9px;
        }


        .hero p {
            font-size: 0.875rem;

            color: #DDDDDD;

            line-height: 1.65;

            max-width: 320px;

            margin-bottom: 22px;
        }


        .btn-row {
            display: flex;

            gap: 10px;

            width: 100%;

            margin-bottom: 10px;
        }


        .btn {
            flex: 1;

            display: inline-flex;

            align-items: center;
            justify-content: center;

            padding: 11px 14px;

            border-radius: var(--radius);

            font-size: 0.875rem;

            font-weight: 600;

            text-decoration: none;

            transition: 0.2s;

            cursor: pointer;

            border: none;
        }


        .btn-primary {
            background: var(--gold);

            color: var(--black);

            box-shadow:
                0 2px 8px rgba(253, 204, 13, 0.35);
        }


        .btn-primary:hover {
            background: var(--gold-dark);
        }


        .btn-outline {
            background: transparent;

            color: var(--white);

            border: 1.5px solid var(--gold);
        }


        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
        }


        .btn-blue {
            background: var(--white);

            color: var(--blue-dark);

            box-shadow:
                0 2px 8px rgba(255, 255, 255, 0.3);
        }


        .btn-blue:hover {
            background: #DDDDDD;
        }


        /* =========================
           SECTIONS
        ========================== */

        .sec {
            margin: 12px 14px;

            background: var(--white);

            border: 1px solid var(--gray-100);

            border-radius: var(--radius-lg);

            padding: 21px 18px;
        }


        .sec h2 {
            font-size: 1.05rem;

            font-weight: 700;

            color: var(--black);

            margin-bottom: 13px;

            padding-bottom: 10px;

            border-bottom: 2px solid var(--gold-light);
        }


        .sec h3 {
            font-size: 0.9rem;

            font-weight: 700;

            color: var(--black);

            margin: 16px 0 7px;
        }


        .sec p {
            font-size: 0.85rem;

            color: var(--gray-600);

            line-height: 1.75;

            margin-bottom: 8px;
        }


        .sec ul,
        .sec ol {
            padding-left: 19px;

            margin-top: 7px;

            margin-bottom: 8px;
        }


        .sec li {
            font-size: 0.85rem;

            color: var(--gray-600);

            line-height: 1.75;

            margin-bottom: 5px;
        }


        .sec a {
            color: var(--blue-primary);

            text-decoration: none;

            font-weight: 600;
        }


        .sec a:hover {
            text-decoration: underline;
        }


        /* =========================
           TABLE OF CONTENTS
        ========================== */

        .toc-list {
            list-style: none;

            padding: 0;

            counter-reset: toc;
        }


        .toc-list li {
            counter-increment: toc;

            display: flex;

            align-items: center;

            gap: 10px;

            padding: 9px 0;

            border-bottom: 1px solid var(--gray-100);

            font-size: 0.85rem;
        }


        .toc-list li:last-child {
            border-bottom: none;
        }


        .toc-list li::before {
            content: counter(toc);

            width: 23px;
            height: 23px;

            background: var(--gold-light);

            color: var(--blue-primary);

            border-radius: 50%;

            display: grid;

            place-items: center;

            font-size: 0.75rem;

            font-weight: 700;

            flex-shrink: 0;
        }


        .toc-list a {
            color: var(--gray-800);

            text-decoration: none;

            font-weight: 500;
        }


        .toc-list a:hover {
            color: var(--blue-primary);
        }


        /* =========================
           TABLE
        ========================== */

        .data-table {
            width: 100%;

            border-collapse: collapse;

            margin-top: 12px;

            font-size: 0.78rem;
        }


        .data-table th {
            background: var(--blue-primary);

            color: var(--white);

            padding: 9px 8px;

            text-align: left;

            font-weight: 600;
        }


        .data-table td {
            padding: 9px 8px;

            border-bottom: 1px solid var(--gray-100);

            color: var(--gray-600);
        }


        .data-table tr:last-child td {
            border-bottom: none;
        }


        .data-table tr:nth-child(even) td {
            background: #F2F7FF;
        }


        /* =========================
           NOTE
        ========================== */

        .note {
            background: var(--gold-light);

            border-left: 3px solid var(--gold-dark);

            padding: 11px 12px;

            border-radius:
                0 var(--radius) var(--radius) 0;

            font-size: 0.8rem;

            color: var(--gray-600);

            margin-top: 11px;

            line-height: 1.65;
        }


        /* =========================
           BADGES
        ========================== */

        .badge-list {
            display: flex;

            flex-wrap: wrap;

            gap: 7px;

            margin-top: 9px;
        }


        .badge {
            background: var(--gold-light);

            color: var(--blue-primary);

            padding: 5px 10px;

            border-radius: 20px;

            font-size: 0.77rem;

            font-weight: 600;
        }


        /* =========================
           FOOTER
        ========================== */

        footer {
            position: absolute;

            bottom: 0;
            left: 0;

            width: 100%;

            background: var(--white);

            border-top: 1px solid var(--gray-100);

            text-align: center;

            padding: 13px;

            font-size: 0.75rem;

            color: var(--gray-400);

            z-index: 50;
        }


        footer a {
            color: var(--blue-primary);

            text-decoration: none;

            font-weight: 600;
        }


        @media (max-width: 480px) {

            body {
                background: var(--white);

                align-items: flex-start;
            }


            .shell {
                max-width: 100%;

                box-shadow: none;
            }

        }