/* roulang page: index */
:root {
    --bg-page: #0c1020;
    --bg-panel: #0a0e1c;
    --bg-card: #131a30;
    --bg-card-hover: #182142;
    --bg-header: #101528;
    --accent: #f0a94b;
    --accent-hover: #f7bc6d;
    --accent-dark: #1a1f35;
    --teal: #3fd6c4;
    --purple: #8b7cf6;
    --text-main: #e9ecf5;
    --text-sub: #9aa5c3;
    --text-mute: #5d688a;
    --border: rgba(233, 236, 245, 0.10);
    --radius: 16px;
    --radius-btn: 12px;
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-hover: 0 14px 36px rgba(0, 0, 0, 0.35);
    --space: 96px;
    --font-main: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "Inter", "DIN Alternate", system-ui;
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: var(--bg-page);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        radial-gradient(1px 1px at 18% 28%, rgba(255, 255, 255, 0.06), transparent),
        radial-gradient(1px 1px at 78% 18%, rgba(240, 169, 75, 0.07), transparent),
        radial-gradient(1.5px 1.5px at 42% 66%, rgba(255, 255, 255, 0.05), transparent),
        radial-gradient(1px 1px at 88% 72%, rgba(139, 124, 246, 0.05), transparent);
}
a {
    color: var(--teal);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: var(--accent);
}
img {
    max-width: 100%;
}
section {
    padding: 96px 0;
    scroll-margin-top: 80px;
}
section:target {
    scroll-margin-top: 80px;
}
.container {
    max-width: 1200px;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(16, 21, 40, 0.92);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.navbar {
    padding-top: 12px;
    padding-bottom: 12px;
}
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.site-logo:hover {
    text-decoration: none;
}
.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--accent);
    color: var(--accent-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    box-shadow: 0 6px 16px rgba(240, 169, 75, 0.3);
}
.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.5px;
}
.navbar-toggler {
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 17px;
}
.navbar-toggler:focus {
    box-shadow: none;
    border-color: var(--accent);
}
.navbar-toggler-icon {
    background-image: none;
}
.navbar-nav .nav-link {
    color: var(--text-sub);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 14px !important;
    position: relative;
    border-radius: 8px;
    transition: color 0.2s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--text-main);
}
.navbar-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 3px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform 0.2s;
    transform-origin: left center;
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}
.navbar-nav .dropdown-toggle::after {
    display: none;
}
.mega-more .dropdown-menu {
    background: #1a2138;
    border: 1px solid var(--border);
    border-radius: 16px;
    min-width: 560px;
    padding: 20px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
    margin-top: 12px;
}
.mega-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.mega-label {
    font-size: 12px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
}
.mega-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text-sub);
    font-size: 15px;
    transition: background 0.2s, color 0.2s;
}
.mega-entry:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
    text-decoration: none;
}
.mega-entry i {
    color: var(--teal);
    width: 20px;
    text-align: center;
}
.mega-news {
    display: flex;
    flex-direction: column;
    padding: 8px 12px;
    border-radius: 10px;
    color: var(--text-sub);
    transition: background 0.2s;
}
.mega-news:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
    text-decoration: none;
}
.mega-news-title {
    font-size: 14px;
    line-height: 1.5;
}
.mega-news em {
    color: var(--text-mute);
    font-style: normal;
    font-size: 12px;
    margin-top: 2px;
}
.mega-empty {
    color: var(--text-mute);
    font-size: 13px;
    padding: 8px 12px;
}
@media (min-width: 992px) {
    .mega-more:hover .dropdown-menu {
        display: block;
    }
}

.btn {
    border-radius: var(--radius-btn);
    font-weight: 600;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--accent);
    color: var(--accent-dark);
    border: none;
    padding: 14px 28px;
    box-shadow: 0 8px 20px rgba(240, 169, 75, 0.18);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    color: var(--accent-dark);
    box-shadow: 0 12px 28px rgba(240, 169, 75, 0.26);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 8px 18px rgba(240, 169, 75, 0.16);
}
.btn-outline-light {
    background: transparent;
    border: 1px solid rgba(233, 236, 245, 0.24);
    color: var(--text-main);
    padding: 14px 28px;
}
.btn-outline-light:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    background: rgba(240, 169, 75, 0.06);
}
.btn-outline-light:active {
    transform: translateY(0);
}

.hero-section {
    position: relative;
    background-image:
        radial-gradient(ellipse at 22% 45%, rgba(139, 124, 246, 0.14), transparent 45%),
        radial-gradient(ellipse at 80% 20%, rgba(240, 169, 75, 0.10), transparent 42%),
        url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: 70% 50%;
    padding: 130px 0 120px;
    border-bottom: 1px solid var(--border);
}
.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12, 16, 32, 0.74) 0%, rgba(12, 16, 32, 0.84) 55%, rgba(12, 16, 32, 0.95) 100%);
    z-index: 1;
}
.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 840px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--teal);
    border: 1px solid rgba(63, 214, 196, 0.3);
    background: rgba(63, 214, 196, 0.08);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    margin-bottom: 24px;
}
.hero-section h1 {
    font-family: var(--font-main);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    margin: 0 0 20px;
}
.hero-sub {
    color: var(--text-sub);
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 660px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 28px;
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-mute);
    font-size: 13px;
}
.hero-meta i {
    color: var(--accent);
    margin-right: 4px;
}

.section-title {
    margin-bottom: 44px;
    text-align: center;
}
.section-title .eyebrow {
    color: var(--teal);
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 6px;
}
.section-title h2 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
    color: var(--text-main);
    margin: 8px 0 10px;
}
.section-title p {
    color: var(--text-sub);
    font-size: 15px;
    max-width: 680px;
    margin: 0 auto;
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    height: 100%;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.value-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.value-icon {
    width: 46px;
    height: 46px;
    background: rgba(240, 169, 75, 0.12);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent);
    margin-bottom: 16px;
}
.value-card h3 {
    font-size: 18px;
    color: var(--text-main);
    margin-bottom: 8px;
    font-weight: 600;
}
.value-card p {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 0;
}

.showcase-section {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.screen-frame {
    background: #0f1526;
    border: 1px solid rgba(233, 236, 245, 0.14);
    border-radius: 18px;
    padding: 14px;
    padding-bottom: 44px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    margin-bottom: 14px;
}
.screen-top {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
}
.screen-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.screen-dot:nth-child(1) {
    background: var(--accent);
}
.screen-dot:nth-child(2) {
    background: var(--teal);
}
.screen-dot:nth-child(3) {
    background: var(--purple);
}
.screen-frame img {
    border-radius: 10px;
    display: block;
    width: 100%;
    object-fit: cover;
}
.carousel-control-prev,
.carousel-control-next {
    width: 44px;
    height: 44px;
    background: rgba(12, 16, 32, 0.6);
    border-radius: 50%;
    opacity: 1;
    top: 50%;
    transform: translateY(-50%);
    border: none;
}
.carousel-control-prev:hover,
.carousel-control-next:hover {
    background: rgba(12, 16, 32, 0.9);
}
.carousel-control-prev {
    left: -16px;
}
.carousel-control-next {
    right: -16px;
}
.carousel-control-prev i,
.carousel-control-next i {
    font-size: 14px;
    color: var(--text-main);
}
.carousel-indicators {
    bottom: 12px;
    z-index: 10;
}
.carousel-indicators button {
    width: 8px !important;
    height: 8px !important;
    border-radius: 50% !important;
    background: var(--text-mute) !important;
    border: none;
    opacity: 1;
}
.carousel-indicators button.active {
    background: var(--accent) !important;
}
.feature-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
}
.feature-bullets li {
    display: flex;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    align-items: flex-start;
    font-size: 15px;
    color: var(--text-sub);
}
.feature-bullets li:last-child {
    border-bottom: none;
}
.feature-bullets i {
    color: var(--teal);
    margin-top: 5px;
    font-size: 15px;
}

.spec-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    height: 100%;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s, box-shadow 0.2s;
}
.spec-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}
.spec-card h3 {
    font-size: 20px;
    color: var(--text-main);
    margin-bottom: 18px;
    font-weight: 600;
}
.spec-card h3 i {
    color: var(--accent);
    margin-right: 10px;
}
.spec-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.spec-list li {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: baseline;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.spec-list li:last-child {
    border-bottom: none;
}
.spec-list li span {
    color: var(--text-mute);
    font-size: 13px;
}
.spec-list li strong {
    color: var(--text-main);
    font-weight: 500;
    text-align: right;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    height: 100%;
    position: relative;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.testimonial-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.testimonial-card .stars {
    color: var(--accent);
    margin-bottom: 12px;
    font-size: 14px;
    letter-spacing: 2px;
}
.testimonial-card p {
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 16px;
}
.testimonial-card footer {
    color: var(--text-mute);
    font-size: 13px;
}
.source-tag {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 11px;
    color: var(--teal);
    border: 1px solid rgba(63, 214, 196, 0.25);
    background: rgba(63, 214, 196, 0.08);
    padding: 3px 10px;
    border-radius: 999px;
}

.download-section {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.download-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-main);
    transition: all 0.2s;
    height: 100%;
    text-decoration: none;
}
.download-btn:hover {
    border-color: rgba(240, 169, 75, 0.5);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    color: var(--text-main);
    background: var(--bg-card-hover);
    text-decoration: none;
}
.download-btn i {
    font-size: 28px;
    color: var(--accent);
}
.dl-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
}
.dl-sub {
    font-size: 12px;
    color: var(--text-mute);
}
.download-note {
    text-align: center;
    color: var(--text-mute);
    font-size: 13px;
    margin-top: 22px;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    gap: 16px;
    padding: 16px;
    color: var(--text-main);
    transition: all 0.2s;
    height: 100%;
    align-items: flex-start;
}
.news-card:hover {
    text-decoration: none;
    background: var(--bg-card-hover);
    border-color: rgba(240, 169, 75, 0.25);
    transform: translateX(4px);
    color: var(--text-main);
}
.news-thumb {
    width: 112px;
    height: 76px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
}
.news-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}
.news-cat {
    color: var(--teal);
    font-size: 12px;
    border: 1px solid rgba(63, 214, 196, 0.3);
    padding: 2px 10px;
    border-radius: 999px;
    align-self: flex-start;
}
.news-body h3 {
    font-size: 16px;
    color: var(--text-main);
    line-height: 1.45;
    margin: 0;
    font-weight: 600;
}
.news-body p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.55;
    margin: 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.news-date {
    font-size: 12px;
    color: var(--text-mute);
}
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 24px;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}
.empty-state i {
    font-size: 32px;
    color: var(--text-mute);
    margin-bottom: 12px;
    display: block;
}
.empty-state p {
    color: var(--text-sub);
    margin-bottom: 0;
}

.faq-section {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.accordion {
    max-width: 840px;
    margin: 0 auto;
}
.accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border) !important;
    border-radius: 14px !important;
    margin-bottom: 12px;
    overflow: hidden;
}
.accordion-item:last-child {
    margin-bottom: 0;
}
.accordion-button {
    background: transparent;
    color: var(--text-main);
    font-weight: 600;
    font-size: 16px;
    padding: 18px 20px;
    box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
    background: rgba(240, 169, 75, 0.08);
    color: var(--accent);
}
.accordion-button:focus {
    box-shadow: none !important;
    border: none;
}
.accordion-button::after {
    background-image: none;
    content: "\f107";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--accent);
}
.accordion-body {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.8;
    padding: 0 20px 20px;
}

.cta-section {
    position: relative;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}
.cta-inner {
    text-align: center;
    padding: 40px 20px;
    position: relative;
    z-index: 2;
}
.cta-inner::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 420px;
    height: 420px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(240, 169, 75, 0.12), transparent 68%);
    z-index: -1;
    border-radius: 50%;
}
.cta-inner h2 {
    font-size: clamp(24px, 3vw, 32px);
    color: var(--text-main);
    margin-bottom: 12px;
    font-weight: 700;
}
.cta-inner p {
    color: var(--text-sub);
    margin-bottom: 24px;
    font-size: 15px;
}

.site-footer {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    padding: 64px 0 24px;
}
.footer-brand .site-logo {
    margin-bottom: 16px;
}
.footer-brand p {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
    max-width: 280px;
}
.footer-col h4 {
    font-size: 14px;
    color: var(--accent);
    margin-bottom: 16px;
    font-weight: 600;
}
.footer-col a {
    display: block;
    color: var(--text-sub);
    font-size: 14px;
    padding: 6px 0;
    text-decoration: none;
}
.footer-col a:hover {
    color: var(--accent);
}
.footer-col p {
    color: var(--text-sub);
    font-size: 14px;
    margin: 0;
}
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--text-mute);
    font-size: 13px;
}

@media (max-width: 1199px) {
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }
}
@media (max-width: 992px) {
    section {
        padding: 64px 0;
    }
    .navbar-collapse {
        background: var(--bg-header);
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 16px;
        margin-top: 12px;
    }
    .navbar-nav .nav-link {
        padding: 12px 14px !important;
        border-radius: 8px;
    }
    .navbar-nav .nav-link:hover {
        background: rgba(255, 255, 255, 0.04);
    }
    .navbar-nav .nav-link::after {
        display: none;
    }
    .mega-more .dropdown-menu {
        min-width: auto;
        margin-top: 4px;
    }
    .mega-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-section {
        padding: 100px 0 80px;
    }
    .carousel-control-prev {
        left: 4px;
    }
    .carousel-control-next {
        right: 4px;
    }
}
@media (max-width: 768px) {
    section {
        padding: 48px 0;
    }
    .section-title {
        margin-bottom: 32px;
    }
    .news-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .news-thumb {
        width: 100%;
        height: 170px;
    }
    .spec-list li {
        grid-template-columns: 100px 1fr;
    }
    .feature-bullets li {
        font-size: 14px;
    }
    .hero-sub {
        font-size: 16px;
    }
}
@media (max-width: 576px) {
    .download-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .spec-list li {
        grid-template-columns: 1fr;
        gap: 4px;
    }
    .spec-list li strong {
        text-align: left;
    }
    .site-logo .logo-text {
        font-size: 18px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: article */
:root {
            --bg: #0C1020;
            --card-bg: #131A30;
            --card-hover: #182142;
            --primary: #F0A94B;
            --primary-hover: #F7BC6D;
            --accent: #3FD6C4;
            --purple: #8B7CF6;
            --text: #E9ECF5;
            --text-secondary: #9AA5C3;
            --text-muted: #5D688A;
            --border: rgba(233, 236, 245, 0.10);
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 14px 36px rgba(0, 0, 0, 0.35);
            --spacer: 96px;
            --font-main: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "DIN Alternate", system-ui;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            padding: 14px 28px;
            border-radius: 12px;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background: var(--primary);
            color: #1A1F35;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(240, 169, 75, 0.18);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 169, 75, 0.25);
            color: #1A1F35;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(240, 169, 75, 0.15);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(233, 236, 245, 0.25);
            color: var(--text);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(240, 169, 75, 0.06);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(16, 21, 40, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }

        .site-header .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            letter-spacing: 0.5px;
        }

        .site-logo:hover {
            color: var(--text);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, rgba(240, 169, 75, 0.25), rgba(240, 169, 75, 0.05));
            border: 1px solid rgba(240, 169, 75, 0.35);
            border-radius: 10px;
            color: var(--primary);
            font-size: 15px;
        }

        .logo-text {
            color: var(--text);
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 10px;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
            background: var(--card-bg);
            padding: 0;
        }

        .navbar-toggler:hover,
        .navbar-toggler:focus {
            background: var(--card-hover);
            outline: none;
            box-shadow: 0 0 0 3px rgba(240, 169, 75, 0.15);
        }

        .navbar-toggler i {
            font-size: 18px;
            color: var(--text);
        }

        .navbar-nav .nav-item {
            margin-left: 2px;
            margin-right: 2px;
        }

        .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: 8px;
            position: relative;
            transition: color 0.2s ease;
        }

        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.2s ease;
        }

        .navbar-nav .nav-link:hover {
            color: var(--text);
        }

        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        .navbar-nav .nav-link.active {
            color: var(--text);
        }

        .mega-more {
            position: relative;
        }

        .mega-panel {
            background: #1A2138;
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            padding: 0;
            min-width: 560px;
            border-top-left-radius: 16px;
            border-top-right-radius: 16px;
            overflow: hidden;
            margin-top: 8px;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            padding: 20px;
            gap: 20px;
        }

        .mega-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .mega-entry {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 12px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .mega-entry i {
            color: var(--primary);
            width: 20px;
            text-align: center;
            font-size: 14px;
        }

        .mega-entry:hover {
            background: rgba(240, 169, 75, 0.08);
            color: var(--text);
            transform: translateX(2px);
        }

        .site-footer {
            background: #0A0E1C;
            border-top: 1px solid var(--border);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .site-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 320px;
            margin-top: 12px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .article-hero {
            background: var(--bg);
            position: relative;
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 16, 32, 0.88), rgba(12, 16, 32, 0.96));
        }

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

        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb-wrap a {
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

        .breadcrumb-wrap a:hover {
            color: var(--primary);
        }

        .breadcrumb-wrap .sep {
            color: var(--text-muted);
        }

        .breadcrumb-wrap .current {
            color: var(--text);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .breadcrumb-wrap .current-category {
            color: var(--accent);
            font-weight: 500;
        }

        .article-section {
            padding: 48px 0 72px;
        }

        .article-shell {
            max-width: 860px;
            margin: 0 auto;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 56px;
            position: relative;
        }

        .article-shell::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: var(--radius) var(--radius) 0 0;
        }

        .article-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 32px;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .article-meta span i {
            font-size: 12px;
            color: var(--primary);
        }

        .article-meta .meta-category {
            color: var(--accent);
            font-weight: 500;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 48px 0 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 36px 0 16px;
            color: var(--text);
        }

        .article-body p {
            margin-bottom: 24px;
        }

        .article-body a {
            color: var(--accent);
            border-bottom: 1px solid rgba(63, 214, 196, 0.3);
        }

        .article-body a:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(240, 169, 75, 0.05);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            font-style: normal;
            color: var(--text-secondary);
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 24px;
            padding-left: 24px;
        }

        .article-body ul li {
            list-style: none;
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
        }

        .article-body ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 12px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: 10px;
            padding-left: 4px;
        }

        .article-body img {
            max-width: 100%;
            border-radius: 16px;
            margin: 28px 0;
            border: 1px solid var(--border);
        }

        .article-body .wp-caption {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }

        .article-not-found i {
            font-size: 48px;
            color: var(--primary);
            display: block;
            margin-bottom: 20px;
            opacity: 0.7;
        }

        .article-not-found p {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .article-not-found .description {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .related-section {
            padding: 40px 0 72px;
            background: transparent;
        }

        .related-section .section-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .related-section .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .related-section .section-head p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.25s ease;
            box-shadow: var(--shadow);
        }

        .related-card:hover {
            background: var(--card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 169, 75, 0.25);
        }

        .related-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--card-hover);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.04);
        }

        .related-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-body .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--accent);
            background: rgba(63, 214, 196, 0.08);
            padding: 4px 10px;
            border-radius: 999px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .related-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .related-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }

        .related-body .more-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }

        .related-body .more-link:hover {
            gap: 10px;
        }

        .article-cta {
            padding: 0 0 96px;
        }

        .cta-box {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--purple));
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-box .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 1199.98px) {
            .mega-panel {
                min-width: 480px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(16, 21, 40, 0.98);
                border: 1px solid var(--border);
                border-radius: 16px;
                margin-top: 12px;
                padding: 12px;
            }

            .navbar-nav .nav-item {
                margin: 0;
            }

            .navbar-nav .nav-link {
                padding: 14px 16px;
                border-radius: 10px;
            }

            .navbar-nav .nav-link::after {
                display: none;
            }

            .navbar-nav .nav-link:hover {
                background: var(--card-bg);
            }

            .navbar-nav .nav-link.active {
                background: rgba(240, 169, 75, 0.08);
                color: var(--primary);
            }

            .mega-more .mega-panel {
                min-width: 0;
                border-radius: 12px;
                box-shadow: none;
                background: rgba(19, 26, 48, 0.7);
                margin-top: 4px;
            }

            .mega-grid {
                grid-template-columns: 1fr;
                padding: 8px;
                gap: 8px;
            }

            .mega-entry {
                padding: 12px 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacer: 64px;
            }

            .article-shell {
                padding: 32px 24px;
            }

            .article-title {
                font-size: 26px;
            }

            .article-meta {
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cta-box {
                padding: 40px 24px;
            }

            .cta-box h2 {
                font-size: 22px;
            }

            .article-hero {
                padding: 28px 0 24px;
                background-attachment: scroll;
            }

            .related-card {
                margin-bottom: 20px;
            }
        }

        @media (max-width: 519.98px) {
            .mega-panel {
                min-width: 0;
            }

            .article-shell {
                padding: 24px 16px;
                border-radius: 12px;
            }

            .article-title {
                font-size: 22px;
            }

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .btn-lg {
                width: 100%;
            }

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

            .cta-box .btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0C1020;
            --bg-card: #131A30;
            --bg-card-hover: #182142;
            --bg-header: #101528;
            --brand: #F0A94B;
            --brand-hover: #F7BC6D;
            --brand-deep: #1A1F35;
            --accent: #3FD6C4;
            --purple: #8B7CF6;
            --text-primary: #E9ECF5;
            --text-secondary: #9AA5C3;
            --text-muted: #5D688A;
            --border: rgba(233, 236, 245, 0.10);
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 14px 36px rgba(0, 0, 0, 0.35);
            --section-pad: 96px;
            --font-main: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "DIN Alternate", system-ui;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
            background-image: radial-gradient(rgba(240, 169, 75, 0.05) 1px, transparent 1px);
            background-size: 42px 42px;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background:
                radial-gradient(circle at 18% 22%, rgba(139, 124, 246, 0.07) 0%, transparent 38%),
                radial-gradient(circle at 84% 14%, rgba(63, 214, 196, 0.05) 0%, transparent 42%),
                radial-gradient(circle at 70% 76%, rgba(240, 169, 75, 0.04) 0%, transparent 46%);
            pointer-events: none;
            z-index: 0;
        }

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

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--brand);
        }

        .container {
            max-width: 1200px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(16, 21, 40, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .site-header .navbar {
            min-height: 72px;
            padding: 10px 0;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .site-logo:hover {
            color: var(--brand);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand), #d18a2e);
            border-radius: 10px;
            color: var(--brand-deep);
            font-size: 17px;
        }

        .logo-text {
            font-size: 21px;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            position: relative;
            transition: color .2s ease;
        }

        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .2s ease;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--text-primary);
        }

        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link:focus::after {
            transform: scaleX(1);
        }

        .navbar-nav .nav-link.active {
            color: var(--brand);
        }

        .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-primary);
            padding: 8px 12px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(240, 169, 75, 0.25);
        }

        .mega-more {
            position: relative;
        }

        .mega-panel {
            background: #1A2138;
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
            padding: 24px;
            min-width: 480px;
            margin-top: 12px;
            border: 1px solid rgba(240, 169, 75, 0.15);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .mega-col {
            display: flex;
            flex-direction: column;
        }

        .mega-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
        }

        .mega-entry {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 12px;
            color: var(--text-secondary);
            font-size: 14px;
            transition: background .2s ease, color .2s ease;
            margin-bottom: 4px;
        }

        .mega-entry:hover {
            background: rgba(240, 169, 75, 0.08);
            color: var(--text-primary);
        }

        .mega-entry i {
            color: var(--accent);
            font-size: 16px;
            width: 22px;
            text-align: center;
        }

        .mega-entry .mega-title {
            display: block;
            font-size: 14px;
            color: var(--text-primary);
        }

        .mega-entry .mega-date {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .mega-entry .mega-col {
            flex-direction: column;
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: var(--bg-header);
                border-radius: 0 0 16px 16px;
                padding: 16px;
                margin-top: 8px;
                border: 1px solid var(--border);
                max-height: calc(100vh - 80px);
                overflow-y: auto;
            }

            .navbar-nav {
                gap: 0;
            }

            .navbar-nav .nav-link {
                padding: 12px 16px;
                border-radius: 10px;
            }

            .navbar-nav .nav-link::after {
                display: none;
            }

            .mega-panel {
                min-width: auto;
                box-shadow: none;
                margin-top: 4px;
                background: rgba(12, 16, 32, 0.8);
            }

            .mega-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        .hero {
            position: relative;
            background: linear-gradient(180deg, rgba(12, 16, 32, 0.85), rgba(12, 16, 32, 0.94)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 120px 0 96px;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 169, 75, 0.12);
            border: 1px solid rgba(240, 169, 75, 0.3);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }

        .hero h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .hero h1 .highlight {
            color: var(--brand);
        }

        .hero p.lead {
            max-width: 760px;
            margin: 0 auto 36px;
            color: var(--text-secondary);
            font-size: 17px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-meta i {
            color: var(--accent);
            font-size: 12px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: var(--brand);
            color: var(--brand-deep);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--brand);
            font-size: 15px;
            transition: all .2s ease;
            box-shadow: 0 6px 20px rgba(240, 169, 75, 0.25);
        }

        .btn-primary-custom:hover {
            background: var(--brand-hover);
            border-color: var(--brand-hover);
            color: var(--brand-deep);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(240, 169, 75, 0.3);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(240, 169, 75, 0.2);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            font-size: 15px;
            transition: all .2s ease;
        }

        .btn-outline-custom:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-2px);
            background: rgba(240, 169, 75, 0.06);
        }

        .btn-outline-custom:active {
            transform: translateY(0);
        }

        .btn-download-large {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 16px 28px;
            color: var(--text-primary);
            font-size: 15px;
            transition: all .2s ease;
            text-align: left;
            min-width: 190px;
        }

        .btn-download-large:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
            color: var(--text-primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .btn-download-large i {
            font-size: 28px;
            color: var(--brand);
            width: 36px;
            text-align: center;
        }

        .btn-download-large .dl-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.3;
        }

        .btn-download-large .dl-sub {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-sm {
            padding: 64px 0;
        }

        .section-head {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 56px;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .section-head .section-tag::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-head h2 .highlight {
            color: var(--brand);
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
        }

        .section-divider {
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border), transparent);
            margin: 0;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            height: 100%;
            transition: all .2s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand), var(--purple));
            opacity: 0;
            transition: opacity .2s ease;
        }

        .feature-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            background: rgba(240, 169, 75, 0.12);
            color: var(--brand);
        }

        .feature-icon.accent {
            background: rgba(63, 214, 196, 0.12);
            color: var(--accent);
        }

        .feature-icon.purple {
            background: rgba(139, 124, 246, 0.12);
            color: var(--purple);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .showcase-section {
            background: rgba(19, 26, 48, 0.5);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .showcase-media {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            background: var(--bg-card);
        }

        .showcase-media img {
            width: 100%;
            display: block;
        }

        .showcase-media .screen-shell {
            padding: 12px;
            background: #0a0e1c;
        }

        .showcase-media .screen-shell img {
            border-radius: 12px;
        }

        .showcase-media .screen-dots {
            display: flex;
            gap: 6px;
            padding: 12px 12px 0;
        }

        .showcase-media .screen-dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--text-muted);
        }

        .showcase-media .screen-dots span:first-child {
            background: var(--brand);
        }

        .showcase-media .screen-dots span:nth-child(2) {
            background: var(--accent);
        }

        .showcase-content h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .showcase-content h2 .highlight {
            color: var(--brand);
        }

        .showcase-content>p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

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

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(233, 236, 245, 0.06);
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        .check-list li:last-child {
            border-bottom: 0;
        }

        .check-list li i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .check-list li strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .scene-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            height: 100%;
            transition: all .2s ease;
        }

        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(240, 169, 75, 0.2);
        }

        .scene-card .scene-img {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .scene-card .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .scene-card:hover .scene-img img {
            transform: scale(1.04);
        }

        .scene-card .scene-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(12, 16, 32, 0.92));
        }

        .scene-card .scene-body {
            padding: 24px 24px 28px;
        }

        .scene-card .scene-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .scene-card .scene-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .scene-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--accent);
            background: rgba(63, 214, 196, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 500;
        }

        .process-section {
            background: rgba(19, 26, 48, 0.3);
        }

        .step-item {
            text-align: center;
            padding: 36px 20px;
            position: relative;
        }

        .step-item::before {
            content: "";
            position: absolute;
            top: 56px;
            left: -50%;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(240, 169, 75, 0.3));
            z-index: 0;
        }

        .step-item:first-child::before {
            display: none;
        }

        .step-number {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--brand);
            color: var(--brand);
            font-weight: 700;
            font-size: 20px;
            font-family: var(--font-num);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            box-shadow: 0 0 0 8px rgba(240, 169, 75, 0.06);
            transition: all .2s ease;
        }

        .step-item:hover .step-number {
            background: var(--brand);
            color: var(--brand-deep);
            box-shadow: 0 0 0 12px rgba(240, 169, 75, 0.1);
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 220px;
            margin: 0 auto;
        }

        .faq-section {
            background: linear-gradient(180deg, transparent, rgba(19, 26, 48, 0.35));
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color .2s ease;
        }

        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(240, 169, 75, 0.3);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 16px;
            padding: 22px 28px;
            box-shadow: none;
            gap: 14px;
        }

        .faq-accordion .accordion-button::after {
            content: "＋";
            background-image: none;
            font-family: var(--font-num);
            font-size: 20px;
            color: var(--brand);
            width: auto;
            height: auto;
            transition: transform .2s ease;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: "−";
            transform: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(240, 169, 75, 0.2);
            border-radius: 14px;
        }

        .faq-accordion .accordion-body {
            padding: 0 28px 24px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-icon {
            color: var(--brand);
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .cta-section {
            padding: 80px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(240, 169, 75, 0.1), rgba(63, 214, 196, 0.05), rgba(139, 124, 246, 0.04));
            border: 1px solid rgba(240, 169, 75, 0.2);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 169, 75, 0.12), transparent 70%);
        }

        .cta-box h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .cta-box h2 .highlight {
            color: var(--brand);
        }

        .cta-box p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 36px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-note {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 20px;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            transition: all .2s ease;
        }

        .stat-item:hover {
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .stat-item .stat-num {
            font-size: 36px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--brand);
            line-height: 1.2;
        }

        .stat-item .stat-num .suffix {
            font-size: 20px;
            margin-left: 2px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .site-footer {
            background: #0A0E1C;
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
            position: relative;
            z-index: 1;
        }

        .site-footer .footer-brand {
            margin-bottom: 24px;
        }

        .site-footer .footer-brand .site-logo {
            margin-bottom: 14px;
        }

        .site-footer .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .site-footer h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

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

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer ul li a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all .2s ease;
        }

        .site-footer ul li a:hover {
            color: var(--brand);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 48px;
            padding: 20px 0;
            border-top: 1px solid var(--border);
            background: rgba(0, 0, 0, 0.2);
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .footer-copy {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
        }

        @media (max-width: 991.98px) {
            :root {
                --section-pad: 72px;
            }

            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .showcase-media {
                order: -1;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-box {
                padding: 48px 28px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-pad: 56px;
            }

            .hero {
                padding: 90px 0 64px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-custom {
                width: 100%;
                max-width: 280px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .stat-item {
                padding: 24px 12px;
            }

            .stat-item .stat-num {
                font-size: 28px;
            }

            .btn-download-large {
                width: 100%;
                min-width: 100%;
                justify-content: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            .hero-meta {
                flex-direction: column;
                gap: 8px;
            }

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

            .cta-actions .btn-primary-custom,
            .cta-actions .btn-outline-custom {
                width: 100%;
            }

            .footer-bottom .container {
                justify-content: center;
                text-align: center;
            }

            .footer-bottom .footer-copy {
                justify-content: center;
                flex-direction: column;
                gap: 6px;
            }

            .mega-panel {
                min-width: auto;
            }
        }

        @media (max-width: 400px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-item {
                padding: 16px 8px;
            }

            .stat-item .stat-num {
                font-size: 24px;
            }
        }

        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(63, 214, 196, 0.12);
            color: var(--accent);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(63, 214, 196, 0.2);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(240, 169, 75, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }