/* roulang page: index */
:root {
 --bg-primary: #0A2E1C;
 --bg-secondary: #123E25;
 --bg-card: #0F3522;
 --accent-gold: #FFD700;
 --accent-red: #D32F2F;
 --accent-red-hover: #B71C1C;
 --text-white: #FFFFFF;
 --text-mint: #D1F2EB;
 --text-gold: #FFD700;
 --border-gold: #FFD700;
 --border-gold-light: rgba(255,215,0,0.3);
 --shadow-gold:04px15px rgba(255,215,0,0.2);
 --shadow-card:08px24px rgba(0,0,0,0.4);
 --radius-sm:8px;
 --radius-md:12px;
 --radius-lg:16px;
 --radius-xl:24px;
 --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
 --font-heading: 'Georgia', 'Times New Roman', serif;
 --transition: all0.3s ease;
 --max-width:1200px;
 --nav-height:72px;
 }

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

 html {
 scroll-behavior: smooth;
 font-size:16px;
 }

 body {
 font-family: var(--font-main);
 background-color: var(--bg-primary);
 color: var(--text-white);
 line-height:1.6;
 overflow-x: hidden;
 -webkit-font-smoothing: antialiased;
 }

 .container {
 width:100%;
 max-width: var(--max-width);
 margin:0 auto;
 padding:;
}
html { font-size: 16px; }
body { font-family: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif; background: var(--bg-primary); color: var(--text-white); line-height: 1.6; }

a { color: var(--accent-gold); text-decoration: none; transition: var(--transition); }
a:hover { color: #ffffff; }

img { max-width: 100%; height: auto; display: block; }

ul, ol { list-style: none; padding: 0; margin: 0; }

button, .btn { font-family: inherit; }
:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 3px; }

/* ===== UTILITY ===== */
.text-gold { color: var(--accent-gold) !important; }
.bg-gold { background: var(--accent-gold) !important; color: #0A2E1C !important; }
.border-gold { border-color: var(--accent-gold) !important; }
.bg-dark-green { background: var(--bg-primary) !important; }
.section-pad { padding: 4rem 0; }
.section-title { font-family: var(--font-heading); font-weight: 700; font-size: 2rem; color: var(--accent-gold); margin-bottom: 0.75rem; }
.section-subtitle { font-size: 1rem; color: var(--text-mint); max-width: 720px; margin-bottom: 2.5rem; }

.container { max-width: 1200px; padding-left: 1.25rem; padding-right: 1.25rem; }

/* ===== TOP BAR ===== */
.top-bar { background: #D1F2EB; color: #0A2E1C; font-size: 0.85rem; padding: 0.5rem 0; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.top-bar a { color: #0A2E1C; font-weight: 600; }
.top-bar a:hover { color: var(--accent-red); }

/* ===== HEADER / NAVBAR ===== */
.header-main { background: var(--bg-primary); position: sticky; top: 0; z-index: 1030; box-shadow: 0 2px 12px rgba(0,0,0,0.3); }
.header-main .container { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 1rem; }

.brand-logo { font-family: var(--font-heading); font-weight: 700; font-size: 1.5rem; color: var(--accent-gold); display: flex; align-items: center; gap: 0.6rem; }
.brand-logo .icon-chip { width: 42px; height: 42px; background: var(--accent-red); border: 2px solid var(--accent-gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.2rem; }
.brand-logo span { line-height: 1.1; }

.nav-custom { display: flex; align-items: center; gap: 1.75rem; }
.nav-custom a { color: var(--text-white); font-weight: 500; font-size: 0.95rem; position: relative; padding: 0.35rem 0; }
.nav-custom a:hover, .nav-custom a.active { color: var(--accent-gold); }
.nav-custom a.active::after { content: ''; position: absolute; left: 0; bottom: -4px; width: 100%; height: 2px; background: var(--accent-gold); border-radius: 2px; }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.btn-login { background: transparent; border: 1px solid rgba(255,255,255,0.25); color: #fff; padding: 0.45rem 1.2rem; border-radius: 30px; font-weight: 600; font-size: 0.9rem; transition: var(--transition); }
.btn-login:hover { background: rgba(255,255,255,0.08); color: var(--accent-gold); border-color: var(--accent-gold); }
.btn-signup { background: var(--accent-gold); color: #0A2E1C; border: none; padding: 0.5rem 1.5rem; border-radius: 30px; font-weight: 700; font-size: 0.9rem; box-shadow: var(--shadow-gold); transition: var(--transition); }
.btn-signup:hover { background: #fff; color: #0A2E1C; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(255,215,0,0.4); }

.navbar-toggler { border: 1px solid rgba(255,255,255,0.3); padding: 0.4rem 0.7rem; }
.navbar-toggler-icon { filter: invert(1); }

/* Mobile nav */
@media (max-width: 991.98px) {
  .header-main .container { flex-wrap: wrap; }
  .nav-custom { display: none; }
  .navbar-collapse { display: none; }
  .navbar-collapse.show { display: block; width: 100%; background: var(--bg-primary); padding: 1rem; border-top: 1px solid rgba(255,215,0,0.2); }
  .navbar-collapse .nav-custom { display: flex; flex-direction: column; gap: 0.75rem; align-items: flex-start; }
  .header-actions { margin-left: auto; display: flex; }
}
@media (max-width: 575.98px) {
  .header-actions .btn-login, .header-actions .btn-signup { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
  .brand-logo { font-size: 1.2rem; }
}

/* ===== HERO ===== */
.hero-section { position: relative; background-image: url('/assets/images/backpic/back-1.jpg'); background-size: cover; background-position: center; min-height: 440px; display: flex; align-items: center; padding: 3rem 0; }
.hero-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,46,28,0.92) 0%, rgba(10,46,28,0.55) 100%); }
.hero-section .container { position: relative; z-index: 2; }
.hero-badge { display: inline-block; background: var(--accent-red); color: #fff; padding: 0.3rem 1rem; border-radius: 30px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 1rem; }
.hero-title { font-family: var(--font-heading); font-weight: 700; font-size: 2.5rem; color: #fff; margin-bottom: 1rem; line-height: 1.2; }
.hero-title .highlight { color: var(--accent-gold); }
.hero-text { font-size: 1.05rem; color: var(--text-mint); max-width: 720px; margin-bottom: 1.75rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn-primary-cta { background: var(--accent-gold); color: #0A2E1C; border: none; padding: 0.7rem 1.8rem; border-radius: 40px; font-weight: 700; font-size: 1rem; display: inline-flex; align-items: center; gap: 0.5rem; box-shadow: var(--shadow-gold); transition: var(--transition); }
.btn-primary-cta:hover { background: #fff; color: #0A2E1C; transform: translateY(-2px); }
.btn-outline-cta { background: transparent; border: 2px solid var(--accent-gold); color: var(--accent-gold); padding: 0.65rem 1.6rem; border-radius: 40px; font-weight: 700; font-size: 0.95rem; transition: var(--transition); }
.btn-outline-cta:hover { background: var(--accent-gold); color: #0A2E1C; }
.hero-stats { display: flex; gap: 2rem; margin-top: 1.5rem; flex-wrap: wrap; }
.hero-stat .number { font-size: 1.8rem; font-weight: 800; color: var(--accent-gold); }
.hero-stat .label { font-size: 0.85rem; color: var(--text-mint); }

/* ===== VERTICAL SHOWCASE ===== */
.vertical-showcase { background: var(--bg-secondary); border-top: 1px solid rgba(255,215,0,0.1); }
.vertical-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.vertical-card { background: var(--bg-card); border: 1px solid rgba(255,215,0,0.25); border-radius: var(--radius-md); padding: 1.75rem; transition: var(--transition); }
.vertical-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); border-color: var(--accent-gold); }
.vertical-card .icon-box { width: 48px; height: 48px; background: rgba(211,47,47,0.2); border: 1px solid var(--accent-red); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent-gold); font-size: 1.5rem; margin-bottom: 1rem; }
.vertical-card h3 { font-size: 1.25rem; color: #fff; margin-bottom: 0.5rem; }
.vertical-card p { font-size: 0.9rem; color: var(--text-mint); }

/* ===== HOT LIST ===== */
.hot-list { background: var(--bg-primary); }
.hot-table { background: var(--bg-card); border: 1px solid rgba(255,215,0,0.2); border-radius: var(--radius-lg); overflow: hidden; }
.hot-table .table { margin-bottom: 0; color: #fff; }
.hot-table .table th { background: rgba(255,215,0,0.08); color: var(--accent-gold); font-weight: 600; border-bottom: 1px solid rgba(255,215,0,0.2); }
.hot-table .table td { vertical-align: middle; border-color: rgba(255,215,0,0.1); }
.hot-rank { font-weight: 800; color: var(--accent-gold); font-size: 1.2rem; }
.badge-hot { background: var(--accent-red); color: #fff; font-size: 0.7rem; padding: 0.25rem 0.6rem; border-radius: 20px; }
.btn-download-sm { background: var(--accent-gold); color: #0A2E1C; border: none; padding: 0.35rem 0.8rem; border-radius: 20px; font-weight: 600; font-size: 0.8rem; transition: var(--transition); }
.btn-download-sm:hover { background: #fff; }

/* ===== REVIEW WALL ===== */
.review-wall { background: var(--bg-secondary); }
.rating-summary { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.rating-summary .stars { font-size: 1.5rem; color: var(--accent-gold); }
.rating-summary .summary-text { font-size: 0.9rem; color: var(--text-mint); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.review-card { background: var(--bg-card); border: 1px solid rgba(255,215,0,0.2); border-radius: var(--radius-md); padding: 1.5rem; }
.review-card .reviewer { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.review-card .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-red); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.review-card .stars { font-size: 0.9rem; color: var(--accent-gold); }
.review-card p { font-size: 0.9rem; color: var(--text-mint); }

/* ===== NEWS SECTION ===== */
.news-section { background: var(--bg-primary); }
.news-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.news-list { list-style: none; }
.news-list li { border-bottom: 1px solid rgba(255,215,0,0.1); padding: 0.9rem 0; display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.news-list li a { color: #fff; font-weight: 500; flex: 1; }
.news-list li a:hover { color: var(--accent-gold); }
.news-date { font-size: 0.8rem; color: var(--text-mint); white-space: nowrap; }
.sidebar-box { background: var(--bg-card); border: 1px solid rgba(255,215,0,0.2); border-radius: var(--radius-md); padding: 1.5rem; }
.sidebar-box h4 { color: var(--accent-gold); font-family: var(--font-heading); margin-bottom: 1rem; }
.sidebar-box p { color: var(--text-mint); font-size: 0.9rem; margin-bottom: 0.75rem; }
.btn-sidebar { background: var(--accent-gold); color: #0A2E1C; border: none; padding: 0.4rem 1rem; border-radius: 20px; font-weight: 600; font-size: 0.85rem; transition: var(--transition); }
.btn-sidebar:hover { background: #fff; }

/* ===== SECURITY SECTION ===== */
.security-section { background: var(--bg-secondary); border-top: 1px solid rgba(255,215,0,0.1); }
.security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.security-item { text-align: left; padding: 1.25rem 1rem; border: 1px solid rgba(255,215,0,0.2); border-radius: var(--radius-md); background: rgba(10,46,28,0.6); transition: var(--transition); }
.security-item:hover { background: rgba(10,46,28,0.9); border-color: var(--accent-gold); }
.security-item i { font-size: 1.8rem; color: var(--accent-gold); margin-bottom: 0.75rem; }
.security-item h5 { color: #fff; font-size: 1rem; margin-bottom: 0.4rem; }
.security-item p { font-size: 0.85rem; color: var(--text-mint); }

/* ===== UPSALE CTA ===== */
.upsale-cta { background: linear-gradient(135deg, #0A2E1C 0%, #123E25 100%); border-top: 2px solid var(--accent-gold); border-bottom: 2px solid var(--accent-gold); }
.upsale-content { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.upsale-content h2 { font-family: var(--font-heading); color: var(--accent-gold); font-size: 2rem; margin-bottom: 0.5rem; }
.upsale-content p { color: var(--text-mint); max-width: 600px; margin-bottom: 1rem; }
.upsale-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== FAB ===== */
.fab-left { position: fixed; left: 1.5rem; bottom: 2rem; z-index: 1050; width: 56px; height: 56px; border-radius: 50%; background: var(--bg-primary); border: 2px solid var(--accent-gold); color: var(--accent-gold); display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(255,215,0,0.3); animation: floatSlow 3s infinite; transition: var(--transition); opacity: 0.7; }
.fab-left:hover { opacity: 1; transform: scale(1.1); }
.fab-left:active { transform: scale(0.95); }
.fab-left .notification-dot { position: absolute; top: -2px; right: -2px; width: 14px; height: 14px; background: #D32F2F; border: 2px solid #fff; border-radius: 50%; animation: blink 1.5s infinite; }
@keyframes floatSlow { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ===== FOOTER ===== */
.footer { background: #071f14; border-top: 1px solid rgba(255,215,0,0.3); padding: 3rem 0 1.5rem; }
.footer .brand-logo { font-size: 1.3rem; margin-bottom: 1rem; }
.footer-text { color: var(--text-mint); font-size: 0.9rem; max-width: 600px; margin-bottom: 1.5rem; }
.footer h5 { color: var(--accent-gold); margin-bottom: 1rem; font-size: 1rem; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--text-mint); font-size: 0.85rem; }
.footer-links a:hover { color: var(--accent-gold); }
.payment-badges { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.payment-badge { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,215,0,0.3); padding: 0.3rem 0.8rem; border-radius: 6px; font-size: 0.75rem; color: #fff; }
.license-badge { display: flex; align-items: center; gap: 0.5rem; color: var(--text-mint); font-size: 0.85rem; margin-top: 1.5rem; flex-wrap: wrap; }
.copyright { text-align: center; padding-top: 1.5rem; margin-top: 2rem; border-top: 1px solid rgba(255,215,0,0.15); color: var(--text-mint); font-size: 0.8rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 991.98px) {
  .vertical-grid, .review-grid, .security-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .upsale-content { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 767.98px) {
  .section-pad { padding: 2.5rem 0; }
  .hero-title { font-size: 1.8rem; }
  .hero-text { font-size: 0.95rem; }
  .vertical-grid, .review-grid, .security-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1rem; }
  .hero-stat .number { font-size: 1.4rem; }
  .fab-left { left: 1rem; bottom: 1.5rem; width: 48px; height: 48px; }
}
@media (max-width: 575.98px) {
  .brand-logo { font-size: 1rem; }
  .btn-login, .btn-signup { padding: 0.4rem 0.6rem; font-size: 0.75rem; }
  .hero-section { min-height: 360px; }
}

/* roulang page: article */
:root {
        --bg-primary: #0A2E1C;
        --bg-secondary: #123E25;
        --bg-card: #0F3522;
        --accent-gold: #FFD700;
        --accent-red: #D32F2F;
        --accent-red-hover: #B71C1C;
        --text-white: #FFFFFF;
        --text-mint: #D1F2EB;
        --text-gold: #FFD700;
        --border-gold: #FFD700;
        --border-gold-light: rgba(255, 215, 0, 0.3);
        --shadow-gold: 0 4px 15px rgba(255, 215, 0, 0.2);
        --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --font-main: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        --font-heading: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        --transition: all 0.3s ease;
        --max-width: 1200px;
        --nav-height: 72px;
    }

    /* ===== RESET & BASE ===== */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }

    body {
        font-family: var(--font-main);
        background-color: var(--bg-primary);
        color: var(--text-white);
        line-height: 1.6;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    a {
        color: var(--accent-gold);
        text-decoration: none;
        transition: var(--transition);
    }

    a:hover {
        color: #ffffff;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    button, .btn {
        font-family: inherit;
    }

    ul, ol {
        list-style: none;
    }

    /* ===== UTILITY ===== */
    .text-gold {
        color: var(--accent-gold) !important;
    }

    .border-gold {
        border-color: var(--accent-gold) !important;
    }

    .section-pad {
        padding: 4rem 0;
    }

    .container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .section-title {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 2rem;
        color: var(--accent-gold);
        margin-bottom: 0.75rem;
        line-height: 1.3;
    }

    .section-subtitle {
        font-size: 1rem;
        color: var(--text-mint);
        max-width: 720px;
        margin-bottom: 2.5rem;
        line-height: 1.6;
    }

    /* ===== HEADER / NAVBAR ===== */
    .header-main {
        background: var(--bg-primary);
        position: sticky;
        top: 0;
        z-index: 1030;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        border-bottom: 1px solid var(--border-gold-light);
    }

    .header-main .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 72px;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .brand-logo {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.4rem;
        color: var(--accent-gold);
        display: flex;
        align-items: center;
        gap: 0.6rem;
        transition: var(--transition);
        line-height: 1.1;
    }

    .brand-logo:hover {
        color: var(--accent-gold);
        transform: translateY(-1px);
    }

    .brand-logo .icon-chip {
        width: 42px;
        height: 42px;
        background: var(--accent-red);
        border: 2px solid var(--accent-gold);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.2rem;
        box-shadow: var(--shadow-gold);
        flex-shrink: 0;
    }

    .nav-custom {
        display: flex;
        align-items: center;
        gap: 1.75rem;
    }

    .nav-custom a {
        color: var(--text-white);
        font-weight: 500;
        font-size: 0.95rem;
        position: relative;
        padding: 0.35rem 0;
        transition: var(--transition);
        white-space: nowrap;
    }

    .nav-custom a:hover,
    .nav-custom a.active {
        color: var(--accent-gold);
    }

    .nav-custom a.active::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -4px;
        width: 100%;
        height: 2px;
        background: var(--accent-gold);
        border-radius: 2px;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        margin-left: auto;
    }

    .btn-login {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.25);
        color: #fff;
        padding: 0.45rem 1.2rem;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: var(--transition);
        white-space: nowrap;
        cursor: pointer;
    }

    .btn-login:hover {
        background: rgba(255, 255, 255, 0.08);
        color: var(--accent-gold);
        border-color: var(--accent-gold);
    }

    .btn-signup {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        padding: 0.5rem 1.5rem;
        border-radius: 30px;
        font-weight: 700;
        font-size: 0.9rem;
        box-shadow: var(--shadow-gold);
        transition: var(--transition);
        white-space: nowrap;
        cursor: pointer;
    }

    .btn-signup:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(255, 215, 0, 0.4);
    }

    .navbar-toggler {
        border: 1px solid rgba(255, 255, 255, 0.3);
        padding: 0.4rem 0.7rem;
        background: transparent;
        border-radius: var(--radius-sm);
        cursor: pointer;
    }

    .navbar-toggler-icon {
        filter: invert(1);
        width: 24px;
        height: 24px;
        display: inline-block;
    }

    .navbar-collapse {
        display: none;
    }

    .navbar-collapse.show {
        display: block;
        width: 100%;
        background: var(--bg-primary);
        padding: 1rem;
        border-top: 1px solid rgba(255, 215, 0, 0.2);
    }

    .navbar-collapse .nav-custom {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }

    /* ===== ARTICLE HERO ===== */
    .article-hero {
        position: relative;
        background-image: url('/assets/images/backpic/back-2.jpg');
        background-size: cover;
        background-position: center;
        padding: 4rem 0 3rem;
        min-height: 320px;
        display: flex;
        align-items: flex-end;
    }

    .article-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(10, 46, 28, 0.75) 0%, rgba(10, 46, 28, 0.88) 60%, rgba(10, 46, 28, 0.97) 100%);
    }

    .article-hero .container {
        position: relative;
        z-index: 2;
    }

    .article-breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.85rem;
        color: var(--text-mint);
        margin-bottom: 1.25rem;
    }

    .article-breadcrumb a {
        color: var(--text-mint);
        transition: var(--transition);
    }

    .article-breadcrumb a:hover {
        color: var(--accent-gold);
    }

    .article-breadcrumb .separator {
        color: var(--accent-gold);
        font-size: 0.75rem;
    }

    .article-breadcrumb .current {
        color: var(--accent-gold);
        font-weight: 600;
        max-width: 320px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .article-category-badge {
        display: inline-block;
        background: var(--accent-red);
        color: #fff;
        padding: 0.3rem 1rem;
        border-radius: 30px;
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.5px;
        text-transform: uppercase;
        margin-bottom: 1rem;
        border: 1px solid rgba(255, 215, 0, 0.4);
    }

    .article-title {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 2.4rem;
        color: #fff;
        margin-bottom: 0.75rem;
        line-height: 1.25;
        max-width: 900px;
    }

    .article-excerpt {
        font-size: 1.05rem;
        color: var(--text-mint);
        max-width: 760px;
        margin-bottom: 1.25rem;
        line-height: 1.65;
    }

    .article-meta {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 1.5rem;
        padding-top: 1.25rem;
        border-top: 1px solid var(--border-gold-light);
    }

    .article-meta-item {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.9rem;
        color: var(--text-mint);
    }

    .article-meta-item i {
        color: var(--accent-gold);
        font-size: 1rem;
    }

    /* ===== ARTICLE CONTENT ===== */
    .article-content-wrapper {
        padding: 3rem 0 2rem;
    }

    .article-content {
        max-width: 820px;
        margin: 0 auto;
        font-size: 1.05rem;
        line-height: 1.7;
        color: var(--text-white);
    }

    .article-content h2 {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.6rem;
        color: var(--accent-gold);
        margin: 2rem 0 1rem;
        line-height: 1.3;
    }

    .article-content h3 {
        font-family: var(--font-heading);
        font-weight: 600;
        font-size: 1.3rem;
        color: var(--text-white);
        margin: 1.75rem 0 0.75rem;
        line-height: 1.3;
    }

    .article-content p {
        margin-bottom: 1rem;
        line-height: 1.7;
    }

    .article-content img {
        border-radius: var(--radius-lg);
        margin: 1.5rem 0;
        box-shadow: var(--shadow-card);
    }

    .article-content ul,
    .article-content ol {
        margin: 1rem 0 1.5rem;
        padding-left: 1.5rem;
    }

    .article-content ul {
        list-style: disc;
    }

    .article-content ol {
        list-style: decimal;
    }

    .article-content li {
        margin-bottom: 0.5rem;
        line-height: 1.7;
    }

    .article-content blockquote {
        border-left: 4px solid var(--accent-gold);
        background: rgba(255, 215, 0, 0.06);
        padding: 1.25rem 1.5rem;
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        margin: 1.5rem 0;
        font-style: italic;
        color: var(--text-mint);
        font-size: 1.05rem;
    }

    .article-content a {
        color: var(--accent-gold);
        text-decoration: underline;
        text-underline-offset: 3px;
    }

    .article-content a:hover {
        color: #fff;
    }

    /* ===== PULL QUOTE ===== */
    .pull-quote-section {
        padding: 2.5rem 0;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-gold-light);
        border-bottom: 1px solid var(--border-gold-light);
    }

    .pull-quote {
        max-width: 780px;
        margin: 0 auto;
        text-align: left;
        font-family: var(--font-heading);
        font-size: 1.6rem;
        font-weight: 700;
        line-height: 1.45;
        color: var(--accent-gold);
        position: relative;
        padding: 0 1.5rem 0 3rem;
    }

    .pull-quote::before {
        content: '\201C';
        position: absolute;
        left: 0;
        top: -0.5rem;
        font-size: 4rem;
        color: rgba(255, 215, 0, 0.35);
        line-height: 1;
    }

    .pull-quote-source {
        display: block;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-mint);
        margin-top: 0.75rem;
        font-family: var(--font-main);
        font-style: normal;
    }

    /* ===== CTA SECTION ===== */
    .cta-section {
        padding: 4rem 0;
        background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
    }

    .cta-panel {
        background: var(--bg-card);
        border: 1px solid var(--border-gold-light);
        border-radius: var(--radius-xl);
        padding: 3rem 2.5rem;
        box-shadow: var(--shadow-card);
        position: relative;
        overflow: hidden;
    }

    .cta-panel::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
    }

    .cta-heading {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.8rem;
        color: #fff;
        margin-bottom: 0.5rem;
        line-height: 1.3;
    }

    .cta-subheading {
        font-size: 1rem;
        color: var(--text-mint);
        max-width: 640px;
        margin-bottom: 2rem;
        line-height: 1.6;
    }

    .cta-flex {
        display: flex;
        flex-wrap: wrap;
        gap: 2.5rem;
        align-items: center;
    }

    .progress-ring-wrap {
        flex: 0 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .progress-ring {
        position: relative;
        width: 150px;
        height: 150px;
    }

    .progress-ring svg {
        width: 100%;
        height: 100%;
        transform: rotate(-90deg);
    }

    .progress-ring .ring-bg {
        fill: none;
        stroke: rgba(255, 255, 255, 0.1);
        stroke-width: 10;
    }

    .progress-ring .ring-fg {
        fill: none;
        stroke: var(--accent-gold);
        stroke-width: 10;
        stroke-linecap: round;
        stroke-dasharray: 339.29;
        stroke-dashoffset: 45;
        transition: stroke-dashoffset 1.5s ease;
    }

    .progress-ring .ring-value {
        position: absolute;
        inset: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.8rem;
        color: var(--accent-gold);
    }

    .progress-ring .ring-value span {
        font-size: 0.75rem;
        font-weight: 500;
        color: var(--text-mint);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .tiers-grid {
        flex: 1;
        min-width: 280px;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }

    .tier-card {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-gold-light);
        border-radius: var(--radius-md);
        padding: 1.25rem 1rem;
        transition: var(--transition);
        text-align: left;
    }

    .tier-card:hover {
        border-color: var(--accent-gold);
        background: rgba(255, 215, 0, 0.05);
        transform: translateY(-4px);
        box-shadow: 0 8px 20px rgba(255, 215, 0, 0.15);
    }

    .tier-card .tier-name {
        font-size: 0.75rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-mint);
        margin-bottom: 0.35rem;
    }

    .tier-card .tier-value {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.2rem;
        color: var(--accent-gold);
        margin-bottom: 0.25rem;
    }

    .tier-card .tier-desc {
        font-size: 0.85rem;
        color: var(--text-mint);
        line-height: 1.45;
    }

    .cta-actions {
        flex: 0 0 100%;
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        margin-top: 0.5rem;
    }

    .btn-cta-primary {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        padding: 0.75rem 1.8rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 1rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        box-shadow: var(--shadow-gold);
        transition: var(--transition);
        cursor: pointer;
    }

    .btn-cta-primary:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(255, 215, 0, 0.4);
    }

    .btn-cta-outline {
        background: transparent;
        border: 2px solid var(--accent-gold);
        color: var(--accent-gold);
        padding: 0.7rem 1.6rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: var(--transition);
        cursor: pointer;
    }

    .btn-cta-outline:hover {
        background: rgba(255, 215, 0, 0.1);
        color: #fff;
        border-color: #fff;
        transform: translateY(-2px);
    }

    /* ===== PAYMENT BADGES ===== */
    .payment-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .payment-badge {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--border-gold-light);
        border-radius: 30px;
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-mint);
        transition: var(--transition);
        white-space: nowrap;
    }

    .payment-badge:hover {
        border-color: var(--accent-gold);
        color: var(--accent-gold);
    }

    /* ===== ARTICLE NOT FOUND ===== */
    .article-not-found {
        max-width: 600px;
        margin: 0 auto;
        text-align: center;
        padding: 4rem 1.5rem;
    }

    .article-not-found .icon-404 {
        font-size: 3.5rem;
        color: var(--accent-gold);
        margin-bottom: 1rem;
    }

    .article-not-found h2 {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.8rem;
        color: #fff;
        margin-bottom: 0.75rem;
    }

    .article-not-found p {
        color: var(--text-mint);
        margin-bottom: 1.5rem;
        font-size: 1rem;
    }

    .btn-back-home {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: var(--accent-gold);
        color: #0A2E1C;
        padding: 0.7rem 1.6rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 0.95rem;
        box-shadow: var(--shadow-gold);
        transition: var(--transition);
    }

    .btn-back-home:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 3.5rem 0;
        background: var(--bg-secondary);
        border-top: 1px solid rgba(255, 215, 0, 0.15);
    }

    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-gold-light);
        border-radius: var(--radius-md);
        margin-bottom: 1rem;
        overflow: hidden;
        transition: var(--transition);
    }

    .faq-item:hover {
        border-color: var(--accent-gold);
    }

    .faq-item .faq-question {
        padding: 1.1rem 1.5rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        font-weight: 600;
        font-size: 1rem;
        color: #fff;
        transition: var(--transition);
        gap: 1rem;
    }

    .faq-item .faq-question:hover {
        color: var(--accent-gold);
    }

    .faq-item .faq-question i {
        color: var(--accent-gold);
        font-size: 1rem;
        transition: var(--transition);
        flex-shrink: 0;
    }

    .faq-item .faq-answer {
        padding: 0 1.5rem 1.2rem;
        color: var(--text-mint);
        font-size: 0.95rem;
        line-height: 1.65;
        display: none;
    }

    .faq-item.active .faq-answer {
        display: block;
    }

    .faq-item.active .faq-question i {
        transform: rotate(180deg);
    }

    /* ===== FOOTER ===== */
    .footer {
        background: #071F13;
        padding: 3.5rem 0 1.5rem;
        border-top: 2px solid var(--border-gold-light);
    }

    .footer .brand-logo {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .footer-text {
        font-size: 0.9rem;
        color: var(--text-mint);
        line-height: 1.6;
        max-width: 340px;
    }

    .footer h5 {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1rem;
        color: var(--accent-gold);
        margin-bottom: 1rem;
    }

    .footer-links {
        padding: 0;
        margin: 0;
        list-style: none;
    }

    .footer-links li {
        margin-bottom: 0.5rem;
    }

    .footer-links a {
        color: var(--text-mint);
        font-size: 0.9rem;
        transition: var(--transition);
    }

    .footer-links a:hover {
        color: var(--accent-gold);
        padding-left: 4px;
    }

    .license-badge {
        background: rgba(255, 255, 255, 0.05);
        border-radius: var(--radius-sm);
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
        color: var(--text-mint);
        display: flex;
        align-items: flex-start;
        gap: 0.5rem;
        line-height: 1.5;
    }

    .copyright {
        margin-top: 2.5rem;
        padding-top: 1.25rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.5);
        text-align: center;
        line-height: 1.6;
    }

    /* ===== FAB ===== */
    .fab-custom {
        position: fixed;
        left: 1rem;
        bottom: 6rem;
        z-index: 1050;
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: #0A2E1C;
        border: 2px solid var(--accent-gold);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent-gold);
        font-size: 1.5rem;
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
        cursor: pointer;
        opacity: 0.7;
        transition: var(--transition);
        position: fixed;
    }

    .fab-custom:hover {
        opacity: 1;
        transform: scale(1.1);
        box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
    }

    .fab-custom:active {
        transform: scale(0.95);
    }

    /* ===== RESPONSIVE ===== */
    @media (min-width: 1024px) {
        .nav-custom {
            display: flex;
        }

        .navbar-toggler {
            display: none;
        }

        .navbar-collapse {
            display: flex;
            background: transparent;
            padding: 0;
            border-top: none;
            width: auto;
        }

        .navbar-collapse .nav-custom {
            flex-direction: row;
            gap: 1.75rem;
            align-items: center;
        }

        .article-title {
            font-size: 3rem;
        }

        .cta-panel {
            padding: 3.5rem 3.5rem;
        }
    }

    @media (max-width: 1023px) {
        .nav-custom {
            display: none;
        }

        .navbar-collapse {
            display: none;
        }

        .navbar-collapse.show {
            display: block;
        }

        .navbar-collapse .nav-custom {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .article-title {
            font-size: 2rem;
        }

        .article-hero {
            padding: 3rem 0 2.5rem;
            min-height: 260px;
        }

        .cta-panel {
            padding: 2.5rem 1.75rem;
        }

        .cta-flex {
            gap: 2rem;
        }

        .progress-ring-wrap {
            margin: 0 auto;
        }

        .pull-quote {
            font-size: 1.3rem;
            padding: 0 1rem 0 2.5rem;
        }

        .pull-quote::before {
            font-size: 3rem;
        }
    }

    @media (max-width: 768px) {
        .header-main .container {
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .brand-logo {
            font-size: 1.1rem;
            gap: 0.5rem;
        }

        .brand-logo .icon-chip {
            width: 36px;
            height: 36px;
            font-size: 1rem;
        }

        .header-actions .btn-login,
        .header-actions .btn-signup {
            padding: 0.4rem 0.8rem;
            font-size: 0.8rem;
        }

        .article-title {
            font-size: 1.6rem;
        }

        .article-excerpt {
            font-size: 0.95rem;
        }

        .article-meta {
            gap: 1rem;
        }

        .article-content {
            font-size: 1rem;
        }

        .article-content h2 {
            font-size: 1.35rem;
        }

        .article-content h3 {
            font-size: 1.15rem;
        }

        .section-pad {
            padding: 3rem 0;
        }

        .cta-panel {
            padding: 2rem 1.25rem;
        }

        .cta-heading {
            font-size: 1.4rem;
        }

        .tiers-grid {
            grid-template-columns: 1fr;
        }

        .pull-quote {
            font-size: 1.15rem;
            padding: 0 0.5rem 0 1.75rem;
        }

        .faq-item .faq-question {
            padding: 1rem 1.25rem;
            font-size: 0.95rem;
        }
    }

    @media (max-width: 520px) {
        .article-title {
            font-size: 1.4rem;
        }

        .article-hero {
            padding: 2.5rem 0 2rem;
            min-height: 220px;
        }

        .article-meta {
            flex-direction: column;
            align-items: flex-start;
            gap: 0.5rem;
        }

        .article-breadcrumb .current {
            max-width: 180px;
        }

        .cta-actions {
            flex-direction: column;
        }

        .btn-cta-primary,
        .btn-cta-outline {
            width: 100%;
            justify-content: center;
        }

        .fab-custom {
            width: 48px;
            height: 48px;
            font-size: 1.25rem;
            bottom: 5rem;
            left: 0.75rem;
        }

        .header-actions {
            gap: 0.4rem;
        }

        .btn-login {
            padding: 0.35rem 0.7rem;
            font-size: 0.75rem;
        }

        .btn-signup {
            padding: 0.4rem 0.8rem;
            font-size: 0.75rem;
        }
    }

/* roulang page: category1 */
:root {
        --bg-primary: #0A2E1C;
        --bg-secondary: #123E25;
        --bg-card: #0F3522;
        --accent-gold: #FFD700;
        --accent-red: #D32F2F;
        --accent-red-hover: #B71C1C;
        --text-white: #FFFFFF;
        --text-mint: #D1F2EB;
        --text-gold: #FFD700;
        --border-gold: #FFD700;
        --border-gold-light: rgba(255,215,0,0.3);
        --shadow-gold: 0 4px 15px rgba(255,215,0,0.2);
        --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --font-main: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        --font-heading: 'Georgia', 'Times New Roman', serif;
        --transition: all 0.3s ease;
        --max-width: 1200px;
        --nav-height: 72px;
    }

    /* ===== RESET & BASE ===== */
    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }
    body {
        font-family: var(--font-main);
        background-color: var(--bg-primary);
        color: var(--text-white);
        line-height: 1.6;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a {
        color: var(--accent-gold);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: #ffffff;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button, .btn {
        font-family: inherit;
    }
    .container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    /* ===== UTILITY ===== */
    .text-gold { color: var(--accent-gold) !important; }
    .text-mint { color: var(--text-mint) !important; }
    .border-gold { border-color: var(--accent-gold) !important; }
    .section-pad { padding: 4rem 0; }
    .section-title {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 2rem;
        color: var(--accent-gold);
        margin-bottom: 0.75rem;
        line-height: 1.3;
    }
    .section-subtitle {
        font-size: 1rem;
        color: var(--text-mint);
        max-width: 720px;
        margin-bottom: 2.5rem;
        line-height: 1.65;
    }

    /* ===== HEADER / NAVBAR ===== */
    .header-main {
        background: var(--bg-primary);
        position: sticky;
        top: 0;
        z-index: 1030;
        box-shadow: 0 2px 12px rgba(0,0,0,0.3);
        border-bottom: 1px solid rgba(255,215,0,0.15);
    }
    .header-main .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: var(--nav-height);
        gap: 1rem;
        flex-wrap: wrap;
    }
    .brand-logo {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.4rem;
        color: var(--accent-gold);
        display: flex;
        align-items: center;
        gap: 0.6rem;
        white-space: nowrap;
    }
    .brand-logo .icon-chip {
        width: 42px;
        height: 42px;
        background: var(--accent-red);
        border: 2px solid var(--accent-gold);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.1rem;
        flex-shrink: 0;
    }
    .brand-logo span {
        line-height: 1.2;
        font-size: 1.15rem;
    }
    .nav-custom {
        display: flex;
        align-items: center;
        gap: 1.5rem;
    }
    .nav-custom a {
        color: var(--text-white);
        font-weight: 500;
        font-size: 0.92rem;
        position: relative;
        padding: 0.35rem 0;
        transition: var(--transition);
        white-space: nowrap;
    }
    .nav-custom a:hover,
    .nav-custom a.active {
        color: var(--accent-gold);
    }
    .nav-custom a.active::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -4px;
        width: 100%;
        height: 2px;
        background: var(--accent-gold);
        border-radius: 2px;
    }
    .navbar-toggler {
        border: 1px solid rgba(255,255,255,0.3);
        padding: 0.4rem 0.7rem;
        background: transparent;
    }
    .navbar-toggler-icon {
        filter: invert(1);
    }
    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(255,215,0,0.4);
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        margin-left: auto;
    }
    .btn-login {
        background: transparent;
        border: 1px solid rgba(255,255,255,0.25);
        color: #fff;
        padding: 0.4rem 1.1rem;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.85rem;
        transition: var(--transition);
        white-space: nowrap;
    }
    .btn-login:hover {
        background: rgba(255,255,255,0.08);
        color: var(--accent-gold);
        border-color: var(--accent-gold);
    }
    .btn-signup {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        padding: 0.42rem 1.2rem;
        border-radius: 30px;
        font-weight: 700;
        font-size: 0.85rem;
        box-shadow: var(--shadow-gold);
        transition: var(--transition);
        white-space: nowrap;
    }
    .btn-signup:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(255,215,0,0.4);
    }
    .navbar-collapse {
        display: none;
        width: 100%;
        background: var(--bg-primary);
        padding: 1rem;
        border-top: 1px solid rgba(255,215,0,0.2);
    }
    .navbar-collapse.show {
        display: block;
    }
    .navbar-collapse .nav-custom {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    .navbar-collapse .nav-custom a {
        display: block;
        width: 100%;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .navbar-collapse .nav-custom a:last-child {
        border-bottom: none;
    }

    /* ===== BUTTONS ===== */
    .btn-primary-cta {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        padding: 0.7rem 1.8rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 1rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        box-shadow: var(--shadow-gold);
        transition: var(--transition);
    }
    .btn-primary-cta:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(255,215,0,0.4);
    }
    .btn-outline-cta {
        background: transparent;
        border: 2px solid var(--accent-gold);
        color: var(--accent-gold);
        padding: 0.65rem 1.6rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 0.95rem;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }
    .btn-outline-cta:hover {
        background: var(--accent-gold);
        color: #0A2E1C;
        transform: translateY(-2px);
    }
    .btn-ios {
        background: #000000;
        color: #fff;
        border: 2px solid var(--accent-gold);
        padding: 0.65rem 1.5rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: var(--transition);
    }
    .btn-ios:hover {
        background: #1a1a1a;
        color: var(--accent-gold);
        border-color: #fff;
        transform: translateY(-2px);
    }
    .btn-android {
        background: #3DDC84;
        color: #0A2E1C;
        border: 2px solid #3DDC84;
        padding: 0.65rem 1.5rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: var(--transition);
    }
    .btn-android:hover {
        background: #2ec973;
        color: #0A2E1C;
        transform: translateY(-2px);
    }

    /* ===== HERO SECTION ===== */
    .hero-section {
        position: relative;
        background-image: url('/assets/images/backpic/back-2.jpg');
        background-size: cover;
        background-position: center;
        min-height: 520px;
        display: flex;
        align-items: center;
        padding: 4rem 0;
        overflow: hidden;
    }
    .hero-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(100deg, rgba(10,46,28,0.95) 0%, rgba(10,46,28,0.75) 45%, rgba(18,62,37,0.5) 100%);
    }
    .hero-section::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 75% 40%, rgba(255,215,0,0.08) 0%, transparent 60%);
        pointer-events: none;
    }
    .hero-section .container {
        position: relative;
        z-index: 2;
    }
    .hero-badge {
        display: inline-block;
        background: var(--accent-red);
        color: #fff;
        padding: 0.35rem 1.2rem;
        border-radius: 30px;
        font-size: 0.78rem;
        font-weight: 700;
        letter-spacing: 0.5px;
        text-transform: uppercase;
        margin-bottom: 1.1rem;
        box-shadow: 0 3px 10px rgba(211,47,47,0.4);
    }
    .hero-title {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 2.6rem;
        color: #fff;
        margin-bottom: 1rem;
        line-height: 1.2;
    }
    .hero-title .highlight {
        color: var(--accent-gold);
    }
    .hero-text {
        font-size: 1.05rem;
        color: var(--text-mint);
        max-width: 620px;
        margin-bottom: 1.75rem;
        line-height: 1.7;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
    .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 1.5rem;
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .hero-meta li {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        color: var(--text-mint);
        font-size: 0.85rem;
        font-weight: 500;
    }
    .hero-meta li i {
        color: var(--accent-gold);
        font-size: 0.9rem;
    }
    .hero-stats-panel {
        background: rgba(10,46,28,0.75);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(255,215,0,0.3);
        border-radius: var(--radius-lg);
        padding: 1.75rem 1.5rem;
        box-shadow: var(--shadow-card);
    }
    .hero-stats-panel .stat-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.6rem 0;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .hero-stats-panel .stat-row:last-child {
        border-bottom: none;
    }
    .hero-stats-panel .stat-label {
        color: var(--text-mint);
        font-size: 0.85rem;
        font-weight: 400;
    }
    .hero-stats-panel .stat-value {
        color: var(--accent-gold);
        font-weight: 700;
        font-size: 0.9rem;
    }

    /* ===== STATS DASHBOARD ===== */
    .stats-dashboard {
        background: var(--bg-secondary);
        border-top: 1px solid rgba(255,215,0,0.1);
        border-bottom: 1px solid rgba(255,215,0,0.1);
        padding: 2rem 0;
    }
    .stat-card {
        background: var(--bg-card);
        border: 1px solid rgba(255,215,0,0.15);
        border-radius: var(--radius-md);
        padding: 1.25rem 1rem;
        text-align: left;
        transition: var(--transition);
        height: 100%;
    }
    .stat-card:hover {
        border-color: var(--border-gold-light);
        transform: translateY(-3px);
        box-shadow: var(--shadow-card);
    }
    .stat-card .stat-icon {
        width: 44px;
        height: 44px;
        background: rgba(255,215,0,0.1);
        border: 1px solid var(--border-gold-light);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent-gold);
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    .stat-card .stat-number {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--accent-gold);
        line-height: 1.2;
        margin-bottom: 0.25rem;
    }
    .stat-card .stat-label {
        font-size: 0.83rem;
        color: var(--text-mint);
        font-weight: 500;
    }

    /* ===== SERVICE MATRIX ===== */
    .service-matrix {
        padding: 4rem 0;
        background: var(--bg-primary);
    }
    .service-item {
        display: flex;
        gap: 1rem;
        align-items: flex-start;
        padding: 1.25rem;
        background: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255,255,255,0.06);
        transition: var(--transition);
        height: 100%;
    }
    .service-item:hover {
        border-color: var(--border-gold-light);
        box-shadow: var(--shadow-card);
        transform: translateY(-3px);
    }
    .service-item .service-num {
        width: 36px;
        height: 36px;
        background: var(--accent-red);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 0.85rem;
        flex-shrink: 0;
    }
    .service-item h4 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--accent-gold);
        margin-bottom: 0.35rem;
    }
    .service-item p {
        font-size: 0.88rem;
        color: var(--text-mint);
        margin: 0;
        line-height: 1.65;
    }

    /* ===== COMPARISON SECTION ===== */
    .comparison-section {
        padding: 4rem 0;
        background: var(--bg-secondary);
    }
    .compare-card {
        background: var(--bg-card);
        border: 1px solid rgba(255,255,255,0.06);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: var(--transition);
        height: 100%;
    }
    .compare-card:hover {
        border-color: var(--border-gold-light);
        box-shadow: var(--shadow-card);
    }
    .compare-card .compare-header {
        padding: 1.25rem 1.5rem;
        background: rgba(255,215,0,0.05);
        border-bottom: 1px solid rgba(255,215,0,0.1);
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
    .compare-card .compare-header i {
        font-size: 1.5rem;
        color: var(--accent-gold);
    }
    .compare-card .compare-header h4 {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--accent-gold);
        margin: 0;
    }
    .compare-card .compare-body {
        padding: 1.5rem;
    }
    .compare-card .compare-body ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .compare-card .compare-body ul li {
        padding: 0.5rem 0;
        font-size: 0.88rem;
        color: var(--text-mint);
        display: flex;
        align-items: flex-start;
        gap: 0.6rem;
        border-bottom: 1px solid rgba(255,255,255,0.04);
    }
    .compare-card .compare-body ul li:last-child {
        border-bottom: none;
    }
    .compare-card .compare-body ul li i {
        color: var(--accent-gold);
        font-size: 0.8rem;
        margin-top: 0.25rem;
        flex-shrink: 0;
    }

    /* ===== FAQ SECTION ===== */
    .faq-section {
        padding: 4rem 0;
        background: var(--bg-primary);
    }
    .accordion-custom {
        max-width: 800px;
        margin: 0 auto;
    }
    .accordion-item-custom {
        background: var(--bg-card);
        border: 1px solid rgba(255,255,255,0.06);
        border-radius: var(--radius-md);
        margin-bottom: 0.75rem;
        overflow: hidden;
        transition: var(--transition);
    }
    .accordion-item-custom:hover {
        border-color: var(--border-gold-light);
    }
    .accordion-header-custom {
        padding: 1.1rem 1.5rem;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        color: var(--text-white);
        font-weight: 600;
        font-size: 0.95rem;
        transition: var(--transition);
    }
    .accordion-header-custom:hover {
        color: var(--accent-gold);
    }
    .accordion-header-custom i {
        color: var(--accent-gold);
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }
    .accordion-item-custom.active .accordion-header-custom i {
        transform: rotate(180deg);
    }
    .accordion-body-custom {
        padding: 0 1.5rem 1.25rem;
        color: var(--text-mint);
        font-size: 0.9rem;
        line-height: 1.7;
        display: none;
    }
    .accordion-item-custom.active .accordion-body-custom {
        display: block;
    }
    .accordion-item-custom.active {
        border-color: var(--border-gold-light);
        box-shadow: var(--shadow-gold);
    }

    /* ===== CTA FORM SECTION ===== */
    .cta-form-section {
        padding: 4rem 0;
        background: var(--bg-secondary);
        border-top: 1px solid rgba(255,215,0,0.1);
    }
    .cta-form-wrapper {
        background: var(--bg-card);
        border: 1px solid var(--border-gold-light);
        border-radius: var(--radius-xl);
        padding: 2rem 1.75rem;
        box-shadow: var(--shadow-card);
        max-width: 650px;
        margin: 0 auto;
    }
    .cta-form-wrapper .form-label {
        color: var(--text-mint);
        font-weight: 600;
        font-size: 0.85rem;
        margin-bottom: 0.4rem;
    }
    .cta-form-wrapper .form-control,
    .cta-form-wrapper .form-select {
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,215,0,0.25);
        color: var(--text-white);
        border-radius: var(--radius-sm);
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .cta-form-wrapper .form-control:focus,
    .cta-form-wrapper .form-select:focus {
        background: rgba(255,255,255,0.1);
        border-color: var(--accent-gold);
        box-shadow: 0 0 0 3px rgba(255,215,0,0.15);
        color: var(--text-white);
        outline: none;
    }
    .cta-form-wrapper .form-control::placeholder {
        color: rgba(255,255,255,0.4);
    }
    .cta-form-wrapper .form-select option {
        background: var(--bg-card);
        color: var(--text-white);
    }
    .cta-form-wrapper .btn-submit {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        padding: 0.7rem 2rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        box-shadow: var(--shadow-gold);
        transition: var(--transition);
        width: 100%;
        justify-content: center;
    }
    .cta-form-wrapper .btn-submit:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(255,215,0,0.4);
    }
    .cta-form-note {
        font-size: 0.8rem;
        color: var(--text-mint);
        text-align: center;
        margin-top: 1rem;
        line-height: 1.5;
    }

    /* ===== FOOTER ===== */
    .footer {
        background: #081F14;
        border-top: 1px solid rgba(255,215,0,0.15);
        padding: 3.5rem 0 1.75rem;
        color: var(--text-mint);
    }
    .footer .brand-logo {
        font-size: 1.2rem;
        margin-bottom: 0.9rem;
    }
    .footer .brand-logo .icon-chip {
        width: 36px;
        height: 36px;
    }
    .footer-text {
        font-size: 0.86rem;
        line-height: 1.7;
        color: var(--text-mint);
        max-width: 500px;
    }
    .footer h5 {
        color: var(--accent-gold);
        font-size: 0.95rem;
        font-weight: 700;
        margin-bottom: 1rem;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 0.6rem;
    }
    .footer-links a {
        color: var(--text-mint);
        font-size: 0.85rem;
        transition: var(--transition);
    }
    .footer-links a:hover {
        color: var(--accent-gold);
    }
    .payment-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .payment-badge {
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,215,0,0.2);
        border-radius: 20px;
        padding: 0.35rem 0.9rem;
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--text-mint);
        transition: var(--transition);
    }
    .payment-badge:hover {
        border-color: var(--accent-gold);
        color: var(--accent-gold);
    }
    .license-badge {
        font-size: 0.8rem;
        line-height: 1.6;
        color: var(--text-mint);
    }
    .license-badge .badge {
        font-size: 0.72rem;
    }
    .copyright {
        margin-top: 2.5rem;
        padding-top: 1.5rem;
        border-top: 1px solid rgba(255,255,255,0.08);
        font-size: 0.78rem;
        text-align: center;
        color: var(--text-mint);
        line-height: 1.6;
    }

    /* ===== FAB ===== */
    .fab-support {
        position: fixed;
        left: 1rem;
        bottom: 6rem;
        z-index: 1050;
        width: 54px;
        height: 54px;
        background: #1a1a1a;
        border: 3px solid var(--accent-gold);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent-gold);
        font-size: 1.3rem;
        cursor: pointer;
        box-shadow: 0 4px 20px rgba(255,215,0,0.3);
        transition: var(--transition);
        opacity: 0.7;
        animation: fab-float 3s ease-in-out infinite;
    }
    .fab-support:hover {
        opacity: 1;
        transform: scale(1.1);
        box-shadow: 0 6px 28px rgba(255,215,0,0.5);
    }
    .fab-support:active {
        transform: scale(0.95);
        opacity: 1;
    }
    .fab-support .notification-dot {
        position: absolute;
        top: -2px;
        right: -2px;
        width: 12px;
        height: 12px;
        background: #FF0000;
        border: 2px solid #1a1a1a;
        border-radius: 50%;
        animation: blink-dot 1.5s ease-in-out infinite;
    }
    @keyframes fab-float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-6px); }
    }
    @keyframes blink-dot {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.3; }
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 1024px) {
        .hero-title { font-size: 2.2rem; }
        .section-title { font-size: 1.7rem; }
        .nav-custom { gap: 1.1rem; }
        .nav-custom a { font-size: 0.85rem; }
    }

    @media (max-width: 768px) {
        .container { padding-left: 1rem; padding-right: 1rem; }
        .header-main .container { gap: 0.5rem; }
        .brand-logo { font-size: 1.1rem; }
        .brand-logo .icon-chip { width: 36px; height: 36px; font-size: 0.9rem; }
        .hero-section { min-height: 460px; padding: 3rem 0; }
        .hero-title { font-size: 1.8rem; }
        .hero-text { font-size: 0.95rem; }
        .hero-actions { flex-direction: column; gap: 0.75rem; }
        .hero-actions .btn { width: 100%; justify-content: center; }
        .section-pad { padding: 2.5rem 0; }
        .section-title { font-size: 1.5rem; }
        .stat-card { text-align: center; }
        .stat-card .stat-icon { margin: 0 auto 0.75rem; }
        .service-item { flex-direction: column; align-items: center; text-align: center; }
        .compare-card .compare-body ul li { font-size: 0.82rem; }
        .cta-form-wrapper { padding: 1.5rem 1rem; }
        .footer { padding: 2.5rem 0 1.25rem; }
        .fab-support { width: 48px; height: 48px; font-size: 1.1rem; left: 0.75rem; bottom: 5rem; }
    }

    @media (max-width: 520px) {
        .hero-title { font-size: 1.5rem; }
        .hero-badge { font-size: 0.7rem; padding: 0.25rem 0.8rem; }
        .hero-meta { flex-direction: column; gap: 0.5rem; }
        .section-title { font-size: 1.3rem; }
        .brand-logo span { font-size: 0.95rem; }
        .header-actions .btn-login, .header-actions .btn-signup { font-size: 0.72rem; padding: 0.35rem 0.7rem; }
        .nav-custom a { font-size: 0.8rem; }
    }

    @media (min-width: 769px) {
        .navbar-toggler { display: none; }
        .nav-custom { display: flex; }
        .navbar-collapse { display: none !important; }
    }
    @media (max-width: 768px) {
        .nav-custom { display: none; }
        .navbar-collapse .nav-custom { display: flex; }
    }

/* roulang page: category2 */
:root {
        --bg-primary: #0A2E1C;
        --bg-secondary: #123E25;
        --bg-card: #0F3522;
        --bg-card-hover: #164A2F;
        --accent-gold: #FFD700;
        --accent-red: #D32F2F;
        --accent-red-hover: #B71C1C;
        --text-white: #FFFFFF;
        --text-mint: #D1F2EB;
        --text-gold: #FFD700;
        --border-gold: #FFD700;
        --border-gold-light: rgba(255, 215, 0, 0.3);
        --shadow-gold: 0 4px 15px rgba(255, 215, 0, 0.2);
        --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --font-main: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        --font-heading: 'Georgia', 'Times New Roman', serif;
        --transition: all 0.3s ease;
        --max-width: 1200px;
        --nav-height: 72px;
    }

    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }

    body {
        font-family: var(--font-main);
        background-color: var(--bg-primary);
        color: var(--text-white);
        line-height: 1.6;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    a {
        color: var(--accent-gold);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: #ffffff;
        text-decoration: none;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button, .btn {
        font-family: inherit;
    }

    /* ===== UTILITY ===== */
    .text-gold { color: var(--accent-gold) !important; }
    .border-gold { border-color: var(--accent-gold) !important; }
    .section-pad { padding: 5rem 0; }
    .section-title {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 2rem;
        color: var(--accent-gold);
        margin-bottom: 0.75rem;
        line-height: 1.25;
    }
    .section-subtitle {
        font-size: 1.05rem;
        color: var(--text-mint);
        max-width: 750px;
        margin-bottom: 2.5rem;
        line-height: 1.65;
    }
    .container {
        max-width: var(--max-width);
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    .divider-gold {
        width: 60px;
        height: 3px;
        background: var(--accent-gold);
        border-radius: 3px;
        margin-bottom: 1.5rem;
    }
    .badge-custom {
        display: inline-block;
        background: var(--accent-red);
        color: #fff;
        padding: 0.35rem 1.1rem;
        border-radius: 30px;
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.5px;
        text-transform: uppercase;
        margin-bottom: 1rem;
    }
    .badge-gold-outline {
        display: inline-block;
        border: 1px solid var(--accent-gold);
        color: var(--accent-gold);
        padding: 0.3rem 1rem;
        border-radius: 30px;
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.4px;
    }

    /* ===== HEADER / NAVBAR ===== */
    .header-main {
        background: var(--bg-primary);
        position: sticky;
        top: 0;
        z-index: 1030;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        border-bottom: 1px solid rgba(255, 215, 0, 0.15);
    }
    .header-main .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: var(--nav-height);
        gap: 1rem;
        flex-wrap: nowrap;
    }
    .brand-logo {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.35rem;
        color: var(--accent-gold);
        display: flex;
        align-items: center;
        gap: 0.6rem;
        white-space: nowrap;
    }
    .brand-logo .icon-chip {
        width: 42px;
        height: 42px;
        background: var(--accent-red);
        border: 2px solid var(--accent-gold);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.2rem;
        flex-shrink: 0;
    }
    .brand-logo span { line-height: 1.15; }
    .nav-custom {
        display: flex;
        align-items: center;
        gap: 1.75rem;
    }
    .nav-custom a {
        color: var(--text-white);
        font-weight: 500;
        font-size: 0.95rem;
        position: relative;
        padding: 0.35rem 0;
        white-space: nowrap;
        transition: var(--transition);
    }
    .nav-custom a:hover,
    .nav-custom a.active {
        color: var(--accent-gold);
    }
    .nav-custom a.active::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -4px;
        width: 100%;
        height: 2px;
        background: var(--accent-gold);
        border-radius: 2px;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        margin-left: auto;
        flex-shrink: 0;
    }
    .btn-login {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.25);
        color: #fff;
        padding: 0.45rem 1.2rem;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: var(--transition);
        white-space: nowrap;
    }
    .btn-login:hover {
        background: rgba(255, 255, 255, 0.08);
        color: var(--accent-gold);
        border-color: var(--accent-gold);
    }
    .btn-signup {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        padding: 0.5rem 1.5rem;
        border-radius: 30px;
        font-weight: 700;
        font-size: 0.9rem;
        box-shadow: var(--shadow-gold);
        transition: var(--transition);
        white-space: nowrap;
    }
    .btn-signup:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(255, 215, 0, 0.4);
    }
    .navbar-toggler {
        border: 1px solid rgba(255, 255, 255, 0.3);
        padding: 0.4rem 0.7rem;
    }
    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        outline: none;
    }
    .navbar-toggler-icon {
        filter: invert(1);
    }
    .navbar-collapse {
        display: none;
    }
    .navbar-collapse.show {
        display: block;
        width: 100%;
        background: var(--bg-primary);
        padding: 1rem 0;
        border-top: 1px solid rgba(255, 215, 0, 0.2);
    }
    .navbar-collapse .nav-custom {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    .navbar-collapse .header-actions {
        display: flex;
        gap: 0.75rem;
        margin-top: 0.75rem;
        margin-left: 0;
    }

    /* ===== HERO CATEGORY ===== */
    .hero-category {
        position: relative;
        background-image: url('/assets/images/backpic/back-2.jpg');
        background-size: cover;
        background-position: center;
        min-height: 420px;
        display: flex;
        align-items: center;
        padding: 3.5rem 0;
        overflow: hidden;
    }
    .hero-category::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(100deg, rgba(10, 46, 28, 0.94) 0%, rgba(10, 46, 28, 0.7) 45%, rgba(10, 46, 28, 0.45) 100%);
        z-index: 1;
    }
    .hero-category .container {
        position: relative;
        z-index: 2;
    }
    .hero-category-inner {
        display: flex;
        align-items: center;
        gap: 2.5rem;
        flex-wrap: wrap;
    }
    .hero-category-content {
        flex: 1 1 500px;
    }
    .hero-category-visual {
        flex: 0 0 320px;
        max-width: 320px;
    }
    .hero-category-visual img {
        border-radius: var(--radius-xl);
        border: 3px solid var(--border-gold-light);
        box-shadow: var(--shadow-card), 0 0 40px rgba(255, 215, 0, 0.15);
        object-fit: cover;
        width: 100%;
        aspect-ratio: 4/3;
    }
    .hero-badge {
        display: inline-block;
        background: var(--accent-red);
        color: #fff;
        padding: 0.35rem 1.2rem;
        border-radius: 30px;
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.5px;
        text-transform: uppercase;
        margin-bottom: 1.1rem;
    }
    .hero-category h1 {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 2.6rem;
        color: #fff;
        margin-bottom: 1rem;
        line-height: 1.2;
    }
    .hero-category h1 .highlight {
        color: var(--accent-gold);
    }
    .hero-category .lead-text {
        font-size: 1.1rem;
        color: var(--text-mint);
        max-width: 650px;
        margin-bottom: 1.75rem;
        line-height: 1.65;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }
    .btn-primary-cta {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        padding: 0.75rem 1.8rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 1rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        box-shadow: var(--shadow-gold);
        transition: var(--transition);
    }
    .btn-primary-cta:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
    }
    .btn-outline-cta {
        background: transparent;
        border: 2px solid var(--accent-gold);
        color: var(--accent-gold);
        padding: 0.7rem 1.6rem;
        border-radius: 40px;
        font-weight: 700;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: var(--transition);
    }
    .btn-outline-cta:hover {
        background: rgba(255, 215, 0, 0.1);
        color: #fff;
        border-color: #fff;
    }

    /* ===== METRIC BOARD ===== */
    .metric-board {
        background: var(--bg-secondary);
        padding: 2.5rem 0;
        border-top: 1px solid rgba(255, 215, 0, 0.15);
        border-bottom: 1px solid rgba(255, 215, 0, 0.15);
    }
    .metric-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }
    .metric-item {
        background: var(--bg-card);
        border: 1px solid rgba(255, 215, 0, 0.2);
        border-radius: var(--radius-lg);
        padding: 1.5rem 1.25rem;
        text-align: center;
        transition: var(--transition);
    }
    .metric-item:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
        border-color: var(--border-gold-light);
    }
    .metric-icon {
        font-size: 2rem;
        color: var(--accent-gold);
        margin-bottom: 0.75rem;
    }
    .metric-value {
        font-family: var(--font-heading);
        font-size: 2rem;
        font-weight: 700;
        color: var(--accent-gold);
        margin-bottom: 0.25rem;
        line-height: 1.1;
    }
    .metric-label {
        font-size: 0.85rem;
        color: var(--text-mint);
        font-weight: 500;
    }

    /* ===== SERVICE MATRIX ===== */
    .service-matrix {
        padding: 5rem 0;
        background: var(--bg-primary);
    }
    .service-card {
        background: var(--bg-card);
        border: 1px solid rgba(255, 215, 0, 0.15);
        border-radius: var(--radius-lg);
        padding: 1.75rem 1.5rem;
        height: 100%;
        transition: var(--transition);
    }
    .service-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
        border-color: var(--border-gold-light);
    }
    .service-card .card-icon {
        width: 52px;
        height: 52px;
        border-radius: 12px;
        background: rgba(255, 215, 0, 0.1);
        border: 1px solid var(--border-gold-light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        color: var(--accent-gold);
        margin-bottom: 1rem;
    }
    .service-card h3 {
        font-size: 1.15rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 0.6rem;
        line-height: 1.3;
    }
    .service-card p {
        font-size: 0.95rem;
        color: var(--text-mint);
        margin-bottom: 0;
        line-height: 1.6;
    }

    /* ===== COMPARISON ===== */
    .comparison-section {
        padding: 5rem 0;
        background: var(--bg-secondary);
        border-top: 1px solid rgba(255, 215, 0, 0.1);
    }
    .comparison-table-wrap {
        background: var(--bg-card);
        border-radius: var(--radius-xl);
        border: 1px solid rgba(255, 215, 0, 0.2);
        overflow: hidden;
        box-shadow: var(--shadow-card);
    }
    .comparison-table {
        width: 100%;
        border-collapse: collapse;
    }
    .comparison-table th {
        background: var(--bg-card-hover);
        color: var(--accent-gold);
        font-weight: 700;
        padding: 1rem 1.25rem;
        text-align: left;
        font-size: 0.95rem;
        border-bottom: 2px solid var(--border-gold-light);
    }
    .comparison-table td {
        padding: 1rem 1.25rem;
        color: var(--text-mint);
        font-size: 0.92rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        vertical-align: middle;
    }
    .comparison-table tr:last-child td {
        border-bottom: none;
    }
    .comparison-table .highlight-row td {
        background: rgba(255, 215, 0, 0.06);
    }
    .comparison-table .check-icon {
        color: #2ecc71;
        font-size: 1.1rem;
    }
    .comparison-table .times-icon {
        color: #e74c3c;
        font-size: 1.1rem;
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 5rem 0;
        background: var(--bg-primary);
    }
    .accordion-custom .accordion-item {
        background: var(--bg-card);
        border: 1px solid rgba(255, 215, 0, 0.15);
        border-radius: var(--radius-md) !important;
        margin-bottom: 0.75rem;
        overflow: hidden;
        transition: var(--transition);
    }
    .accordion-custom .accordion-item:hover {
        border-color: var(--border-gold-light);
    }
    .accordion-custom .accordion-button {
        background: transparent;
        color: #fff;
        font-weight: 600;
        font-size: 1rem;
        padding: 1.15rem 1.5rem;
        box-shadow: none;
        transition: var(--transition);
    }
    .accordion-custom .accordion-button:not(.collapsed) {
        background: rgba(255, 215, 0, 0.08);
        color: var(--accent-gold);
        box-shadow: none;
    }
    .accordion-custom .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        outline: none;
    }
    .accordion-custom .accordion-button::after {
        filter: invert(0.8);
    }
    .accordion-custom .accordion-body {
        color: var(--text-mint);
        font-size: 0.95rem;
        padding: 1rem 1.5rem 1.25rem;
        line-height: 1.65;
    }

    /* ===== CTA FORM ===== */
    .cta-section {
        padding: 5rem 0;
        background: var(--bg-secondary);
        border-top: 1px solid rgba(255, 215, 0, 0.15);
    }
    .cta-card {
        background: linear-gradient(135deg, var(--bg-card) 0%, #0F3B25 100%);
        border: 2px solid var(--border-gold-light);
        border-radius: var(--radius-xl);
        padding: 3rem 2.5rem;
        text-align: center;
        box-shadow: var(--shadow-card), 0 0 60px rgba(255, 215, 0, 0.08);
    }
    .cta-card h2 {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 2rem;
        color: #fff;
        margin-bottom: 0.75rem;
    }
    .cta-card h2 .highlight {
        color: var(--accent-gold);
    }
    .cta-card p {
        color: var(--text-mint);
        font-size: 1.05rem;
        max-width: 600px;
        margin: 0 auto 1.5rem;
        line-height: 1.6;
    }
    .cta-form {
        max-width: 500px;
        margin: 0 auto;
        display: flex;
        gap: 0.75rem;
        flex-wrap: wrap;
    }
    .cta-form .form-control {
        flex: 1 1 200px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 215, 0, 0.25);
        border-radius: 30px;
        color: #fff;
        padding: 0.7rem 1.5rem;
        font-size: 0.95rem;
        transition: var(--transition);
    }
    .cta-form .form-control::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }
    .cta-form .form-control:focus {
        background: rgba(255, 255, 255, 0.12);
        border-color: var(--accent-gold);
        box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        color: #fff;
    }
    .cta-form .btn-submit {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        border-radius: 30px;
        padding: 0.7rem 2rem;
        font-weight: 700;
        font-size: 0.95rem;
        transition: var(--transition);
        white-space: nowrap;
    }
    .cta-form .btn-submit:hover {
        background: #fff;
        color: #0A2E1C;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(255, 215, 0, 0.35);
    }

    /* ===== FOOTER ===== */
    .footer {
        background: #081F13;
        padding: 3.5rem 0 1.5rem;
        border-top: 2px solid var(--border-gold-light);
    }
    .footer .brand-logo {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    .footer .brand-logo .icon-chip {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    .footer-text {
        color: var(--text-mint);
        font-size: 0.9rem;
        line-height: 1.65;
        margin-bottom: 0;
    }
    .footer h5 {
        color: var(--accent-gold);
        font-weight: 700;
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 0.5rem;
    }
    .footer-links a {
        color: var(--text-mint);
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .footer-links a:hover {
        color: var(--accent-gold);
        padding-left: 4px;
    }
    .payment-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .payment-badge {
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.15);
        padding: 0.35rem 1rem;
        border-radius: 30px;
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--text-mint);
    }
    .license-badge {
        color: var(--text-mint);
        font-size: 0.85rem;
        line-height: 1.5;
    }
    .license-badge .badge {
        font-size: 0.75rem;
    }
    .copyright {
        text-align: center;
        padding-top: 1.5rem;
        margin-top: 2rem;
        border-top: 1px solid rgba(255, 215, 0, 0.1);
        color: rgba(255, 255, 255, 0.55);
        font-size: 0.82rem;
        line-height: 1.5;
    }

    /* ===== FAB ===== */
    .fab-royal {
        position: fixed;
        left: 1rem;
        bottom: 6rem;
        z-index: 1040;
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: radial-gradient(circle at 35% 30%, #3a3322, #0f0f0f 80%);
        border: 3px solid var(--accent-gold);
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 2px rgba(255, 255, 255, 0.4);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent-gold);
        font-size: 1.4rem;
        cursor: pointer;
        transition: all 0.35s ease;
        animation: fabBreath 3s ease-in-out infinite;
        text-decoration: none;
    }
    .fab-royal:hover {
        transform: scale(1.1);
        animation: none;
        box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45), inset 0 1px 2px rgba(255, 255, 255, 0.4);
        color: #fff;
    }
    .fab-royal:active {
        transform: scale(0.95) translateY(2px);
    }
    .fab-royal .fab-dot {
        position: absolute;
        top: -3px;
        right: -3px;
        width: 14px;
        height: 14px;
        background: #D32F2F;
        border: 2px solid #0A2E1C;
        border-radius: 50%;
        animation: fabBlink 1.5s ease-in-out infinite;
    }
    @keyframes fabBreath {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-6px); }
    }
    @keyframes fabBlink {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.3; }
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 1024px) {
        .hero-category h1 { font-size: 2.2rem; }
        .hero-category-visual { flex: 0 0 280px; max-width: 280px; }
        .metric-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
        .section-pad { padding: 4rem 0; }
        .service-matrix, .comparison-section, .faq-section, .cta-section { padding: 4rem 0; }
    }
    @media (max-width: 768px) {
        .nav-custom { display: none; }
        .navbar-collapse.show .nav-custom {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            align-items: flex-start;
        }
        .hero-category {
            min-height: 360px;
            padding: 2.5rem 0;
        }
        .hero-category h1 {
            font-size: 1.8rem;
        }
        .hero-category .lead-text {
            font-size: 1rem;
        }
        .hero-category-inner {
            flex-direction: column;
            align-items: flex-start;
            gap: 1.5rem;
        }
        .hero-category-visual {
            flex: 0 0 auto;
            max-width: 100%;
            width: 100%;
        }
        .hero-category-visual img {
            aspect-ratio: 16/9;
        }
        .metric-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
        .metric-value { font-size: 1.5rem; }
        .metric-icon { font-size: 1.5rem; }
        .cta-card { padding: 2rem 1.25rem; }
        .cta-card h2 { font-size: 1.5rem; }
        .comparison-table th,
        .comparison-table td { padding: 0.75rem 0.85rem; font-size: 0.82rem; }
        .section-title { font-size: 1.6rem; }
        .header-main .container {
            flex-wrap: wrap;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }
        .brand-logo { font-size: 1.1rem; }
        .brand-logo .icon-chip { width: 36px; height: 36px; font-size: 1rem; }
        .header-actions .btn-login,
        .header-actions .btn-signup {
            padding: 0.35rem 0.7rem;
            font-size: 0.75rem;
        }
    }
    @media (max-width: 520px) {
        .metric-grid { grid-template-columns: 1fr; }
        .cta-form { flex-direction: column; }
        .cta-form .btn-submit { width: 100%; }
        .footer { padding: 2.5rem 0 1rem; }
        .hero-category h1 { font-size: 1.5rem; }
        .btn-primary-cta, .btn-outline-cta {
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
        }
        .comparison-table th,
        .comparison-table td { padding: 0.6rem 0.6rem; font-size: 0.75rem; }
    }
    @media (min-width: 769px) {
        .nav-custom {
            display: flex !important;
        }
        .navbar-toggler {
            display: none;
        }
        .navbar-collapse {
            display: none !important;
        }
    }