/* roulang page: index */
:root {
            --jungle-950: #041711;
            --jungle-900: #062315;
            --jungle-800: #0b3c25;
            --jungle-700: #125637;
            --teal-600: #087f73;
            --teal-400: #29c6ae;
            --lime: #8ce63f;
            --sun: #ffcc00;
            --cream: #fffdf0;
            --mint: #c5e2d2;
            --muted: #92b4a3;
            --line: rgba(174, 235, 190, .17);
            --glass: rgba(11, 60, 37, .58);
            --shadow: 0 22px 60px rgba(0, 0, 0, .28);
            --soft-shadow: 0 12px 32px rgba(0, 0, 0, .2);
            --radius-xl: 28px;
            --radius-lg: 20px;
            --radius-md: 14px;
            --header-height: 78px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            margin: 0;
            padding-top: var(--header-height);
            background:
                radial-gradient(circle at 12% 15%, rgba(50, 205, 50, .08), transparent 26rem),
                radial-gradient(circle at 85% 54%, rgba(8, 127, 115, .11), transparent 30rem),
                var(--jungle-950);
            color: var(--cream);
            font-family: "Be Vietnam Pro", sans-serif;
            font-size: 15px;
            line-height: 1.65;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

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

        button,
        a {
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(255, 204, 0, .7);
            outline-offset: 4px;
        }

        .container {
            width: min(1180px, calc(100% - 40px));
            margin-inline: auto;
        }

        .site-header {
            position: fixed;
            z-index: 1000;
            inset: 0 0 auto;
            height: var(--header-height);
            background: rgba(4, 23, 17, .88);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(18px);
            transition: box-shadow .25s ease, background .25s ease;
        }

        .site-header.scrolled {
            background: rgba(4, 23, 17, .96);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
        }

        .nav-wrap {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            min-width: max-content;
        }

        .brand-mark {
            width: 39px;
            height: 39px;
            display: grid;
            place-items: center;
            border-radius: 13px;
            color: var(--jungle-950);
            background: linear-gradient(145deg, var(--sun), #f39d00);
            box-shadow: 0 0 0 4px rgba(255, 204, 0, .1), 0 6px 18px rgba(255, 204, 0, .18);
            font-size: 17px;
        }

        .brand-copy {
            display: flex;
            flex-direction: column;
            line-height: 1.12;
        }

        .brand-name {
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: -.2px;
        }

        .brand-sub {
            margin-top: 3px;
            color: var(--teal-400);
            font-size: 10px;
            font-weight: 700;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .nav-link {
            position: relative;
            padding: 9px 14px !important;
            color: var(--muted) !important;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 600;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--cream) !important;
            background: rgba(50, 205, 50, .1);
        }

        .nav-link.active::after {
            position: absolute;
            content: "";
            left: 14px;
            right: 14px;
            bottom: 3px;
            height: 2px;
            border-radius: 4px;
            background: var(--sun);
        }

        .nav-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 16px;
            border: 1px solid rgba(255, 204, 0, .55);
            border-radius: 11px;
            color: var(--jungle-950);
            background: var(--sun);
            font-size: 12px;
            font-weight: 800;
        }

        .nav-action:hover {
            color: var(--jungle-950);
            background: #ffe25c;
            transform: translateY(-2px);
            box-shadow: 0 9px 22px rgba(255, 204, 0, .18);
        }

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

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(140, 230, 63, .18);
        }

        .hero {
            position: relative;
            min-height: 690px;
            display: flex;
            align-items: center;
            padding: 76px 0 68px;
            isolation: isolate;
            background:
                linear-gradient(90deg, rgba(4, 23, 17, .96) 0%, rgba(4, 23, 17, .8) 42%, rgba(4, 23, 17, .46) 100%),
                url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
        }

        .hero::before,
        .hero::after {
            position: absolute;
            z-index: -1;
            content: "";
            border-radius: 50%;
            border: 1px solid rgba(140, 230, 63, .16);
            pointer-events: none;
        }

        .hero::before {
            width: 480px;
            height: 480px;
            right: -180px;
            top: -160px;
            box-shadow: 0 0 0 36px rgba(140, 230, 63, .025), 0 0 0 72px rgba(140, 230, 63, .02);
        }

        .hero::after {
            width: 290px;
            height: 290px;
            left: -170px;
            bottom: -155px;
            border-color: rgba(41, 198, 174, .17);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.17fr) minmax(310px, .83fr);
            gap: 24px;
            align-items: stretch;
        }

        .hero-main,
        .bento-tile,
        .hero-strip {
            border: 1px solid var(--line);
            background: linear-gradient(145deg, rgba(11, 60, 37, .88), rgba(4, 23, 17, .78));
            box-shadow: var(--shadow);
            backdrop-filter: blur(8px);
        }

        .hero-main {
            min-height: 475px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: clamp(30px, 5vw, 67px);
            border-radius: var(--radius-xl);
            overflow: hidden;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
            margin-bottom: 19px;
            color: var(--lime);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: .16em;
            text-transform: uppercase;
        }

        .eyebrow::before {
            width: 24px;
            height: 2px;
            content: "";
            border-radius: 3px;
            background: var(--sun);
        }

        h1,
        h2,
        h3,
        p {
            margin-top: 0;
        }

        h1,
        h2,
        h3 {
            font-family: "Space Grotesk", "Be Vietnam Pro", sans-serif;
            line-height: 1.16;
            letter-spacing: -.035em;
        }

        h1 {
            max-width: 780px;
            margin-bottom: 22px;
            color: var(--cream);
            font-size: clamp(2.3rem, 5vw, 4.7rem);
            font-weight: 700;
        }

        .hero-lead {
            max-width: 680px;
            margin-bottom: 30px;
            color: var(--mint);
            font-size: clamp(1rem, 1.6vw, 1.12rem);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 31px;
        }

        .btn-primary-custom,
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 49px;
            padding: 13px 19px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 800;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
        }

        .btn-primary-custom {
            color: var(--jungle-950);
            background: linear-gradient(135deg, var(--sun), #f0a500);
            box-shadow: 0 9px 24px rgba(255, 204, 0, .16);
        }

        .btn-primary-custom:hover {
            color: var(--jungle-950);
            transform: translateY(-3px);
            box-shadow: 0 14px 28px rgba(255, 204, 0, .25);
        }

        .btn-outline-custom {
            color: var(--cream);
            border: 1px solid rgba(197, 226, 210, .36);
            background: rgba(255, 255, 255, .045);
        }

        .btn-outline-custom:hover {
            color: var(--cream);
            border-color: var(--lime);
            background: rgba(140, 230, 63, .1);
            transform: translateY(-3px);
        }

        .hero-facts {
            display: flex;
            flex-wrap: wrap;
            gap: 19px 26px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
        }

        .fact {
            display: flex;
            align-items: center;
            gap: 9px;
            color: var(--mint);
            font-size: 12px;
            font-weight: 600;
        }

        .fact i {
            color: var(--sun);
            font-size: 14px;
        }

        .hero-side {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
        }

        .bento-tile {
            position: relative;
            min-height: 225px;
            padding: 27px;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .bento-tile::after {
            position: absolute;
            right: -25px;
            bottom: -60px;
            width: 175px;
            height: 175px;
            content: "";
            border: 1px solid rgba(140, 230, 63, .2);
            border-radius: 50%;
            box-shadow: 0 0 0 22px rgba(140, 230, 63, .03), 0 0 0 44px rgba(140, 230, 63, .025);
        }

        .tile-icon {
            width: 44px;
            height: 44px;
            display: grid;
            place-items: center;
            margin-bottom: 24px;
            border-radius: 14px;
            color: var(--jungle-950);
            background: var(--lime);
            font-size: 18px;
        }

        .bento-tile:nth-child(2) .tile-icon {
            color: var(--jungle-950);
            background: var(--sun);
        }

        .bento-tile h2 {
            max-width: 250px;
            margin-bottom: 9px;
            font-size: 1.34rem;
        }

        .bento-tile p {
            max-width: 290px;
            margin-bottom: 0;
            color: var(--mint);
            font-size: 13px;
        }

        .hero-strip {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 18px 24px;
            border-radius: 16px;
            border-color: rgba(255, 204, 0, .28);
            background: rgba(7, 40, 25, .84);
        }

        .hero-strip strong {
            color: var(--cream);
            font-size: 14px;
        }

        .hero-strip span {
            display: block;
            color: var(--muted);
            font-size: 12px;
        }

        .strip-link {
            flex: 0 0 auto;
            color: var(--sun);
            font-size: 12px;
            font-weight: 800;
        }

        .strip-link:hover {
            color: var(--lime);
            transform: translateX(3px);
        }

        .section {
            position: relative;
            padding: 104px 0;
        }

        .section-soft {
            background: rgba(6, 35, 21, .54);
            border-top: 1px solid rgba(174, 235, 190, .06);
            border-bottom: 1px solid rgba(174, 235, 190, .06);
        }

        .section-heading {
            max-width: 760px;
            margin-bottom: 46px;
        }

        .section-heading.split {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;
            max-width: none;
        }

        .section-kicker {
            margin-bottom: 12px;
            color: var(--teal-400);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: .16em;
            text-transform: uppercase;
        }

        h2 {
            margin-bottom: 15px;
            color: var(--cream);
            font-size: clamp(1.9rem, 3.5vw, 3rem);
            font-weight: 700;
        }

        .section-heading p {
            max-width: 680px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .app-layout {
            display: grid;
            grid-template-columns: minmax(280px, .85fr) minmax(0, 1.15fr);
            align-items: center;
            gap: clamp(36px, 7vw, 92px);
        }

        .image-frame {
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(140, 230, 63, .28);
            border-radius: 30px 30px 30px 8px;
            box-shadow: var(--shadow);
        }

        .image-frame img {
            width: 100%;
            min-height: 390px;
            object-fit: cover;
            filter: saturate(.9) contrast(1.05);
        }

        .image-frame::after {
            position: absolute;
            content: "";
            inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(4, 23, 17, .72));
        }

        .image-note {
            position: absolute;
            z-index: 1;
            left: 22px;
            right: 22px;
            bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--cream);
            font-size: 12px;
            font-weight: 700;
        }

        .image-note i {
            color: var(--sun);
        }

        .feature-intro {
            margin-bottom: 27px;
            color: var(--mint);
            font-size: 16px;
        }

        .feature-list {
            display: grid;
            gap: 20px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .feature-list li {
            display: grid;
            grid-template-columns: 40px 1fr;
            gap: 15px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--line);
        }

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

        .feature-number {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            border: 1px solid rgba(140, 230, 63, .35);
            border-radius: 12px;
            color: var(--lime);
            background: rgba(140, 230, 63, .08);
            font-family: "Space Grotesk", sans-serif;
            font-weight: 700;
        }

        .feature-list h3 {
            margin-bottom: 5px;
            font-size: 1.05rem;
        }

        .feature-list p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 13px;
        }

        .service-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(300px, .74fr);
            gap: 28px;
            align-items: stretch;
        }

        .process-panel {
            padding: 34px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: rgba(11, 60, 37, .42);
        }

        .process-head {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 26px;
        }

        .process-head h3 {
            margin-bottom: 0;
            font-size: 1.35rem;
        }

        .safe-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            height: fit-content;
            padding: 7px 10px;
            border: 1px solid rgba(140, 230, 63, .34);
            border-radius: 99px;
            color: var(--lime);
            background: rgba(140, 230, 63, .08);
            font-size: 10px;
            font-weight: 800;
            white-space: nowrap;
        }

        .step-line {
            display: grid;
            gap: 0;
        }

        .step {
            position: relative;
            display: grid;
            grid-template-columns: 43px 1fr;
            gap: 16px;
            min-height: 92px;
        }

        .step:last-child {
            min-height: auto;
        }

        .step:not(:last-child)::after {
            position: absolute;
            top: 42px;
            left: 20px;
            width: 1px;
            height: 52px;
            content: "";
            background: linear-gradient(var(--teal-400), transparent);
        }

        .step-dot {
            position: relative;
            z-index: 1;
            width: 41px;
            height: 41px;
            display: grid;
            place-items: center;
            border: 1px solid rgba(255, 204, 0, .5);
            border-radius: 50%;
            color: var(--sun);
            background: var(--jungle-900);
            font-family: "Space Grotesk", sans-serif;
            font-size: 13px;
            font-weight: 700;
        }

        .step h3 {
            margin-bottom: 6px;
            font-size: 1rem;
        }

        .step p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 13px;
        }

        .download-panel {
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 350px;
            padding: 31px;
            overflow: hidden;
            border-radius: var(--radius-lg);
            background:
                linear-gradient(150deg, rgba(4, 23, 17, .55), rgba(4, 23, 17, .9)),
                url('/assets/images/coverpic/cover-2.jpg') center/cover;
        }

        .download-panel::before {
            position: absolute;
            content: "";
            inset: 0;
            border: 1px solid rgba(255, 204, 0, .28);
            border-radius: inherit;
            pointer-events: none;
        }

        .download-panel > * {
            position: relative;
        }

        .download-panel h3 {
            max-width: 320px;
            margin-bottom: 14px;
            font-size: 1.65rem;
        }

        .download-panel p {
            max-width: 340px;
            margin-bottom: 24px;
            color: var(--mint);
            font-size: 13px;
        }

        .download-note {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            margin-top: 20px;
            color: #b5d4be;
            font-size: 11px;
        }

        .download-note i {
            margin-top: 4px;
            color: var(--sun);
        }

        .feature-stage {
            display: grid;
            grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
            gap: 60px;
            align-items: center;
        }

        .stage-copy > p {
            max-width: 570px;
            color: var(--muted);
        }

        .stage-image {
            position: relative;
            overflow: hidden;
            border-radius: 11px 28px 28px 28px;
            border: 1px solid rgba(41, 198, 174, .28);
            box-shadow: var(--shadow);
        }

        .stage-image img {
            width: 100%;
            min-height: 425px;
            object-fit: cover;
        }

        .stage-image::after {
            position: absolute;
            content: "";
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 60, 37, .02), rgba(4, 23, 17, .64));
        }

        .feature-columns {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .feature-block {
            padding: 22px 0 0;
            border-top: 1px solid var(--line);
        }

        .feature-block i {
            margin-bottom: 16px;
            color: var(--sun);
            font-size: 21px;
        }

        .feature-block h3 {
            margin-bottom: 8px;
            font-size: 1.03rem;
        }

        .feature-block p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 13px;
        }

        .update-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--muted);
            font-size: 12px;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            display: inline-block;
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 0 5px rgba(140, 230, 63, .12);
            animation: pulse-dot 1.9s infinite;
        }

        .news-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
            gap: 30px;
            align-items: start;
        }

        .news-list {
            overflow: hidden;
            margin: 0;
            padding: 0;
            border-top: 1px solid var(--line);
            list-style: none;
        }

        .news-item {
            display: grid;
            grid-template-columns: 112px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 21px 0;
            border-bottom: 1px solid var(--line);
        }

        .news-meta {
            display: flex;
            flex-direction: column;
            gap: 5px;
            color: var(--muted);
            font-size: 11px;
        }

        .news-category {
            color: var(--lime);
            font-size: 10px;
            font-weight: 800;
            letter-spacing: .08em;
            text-transform: uppercase;
        }

        .news-title {
            display: block;
            margin-bottom: 5px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 1.02rem;
            font-weight: 600;
        }

        .news-title:hover {
            color: var(--sun);
        }

        .news-summary {
            display: -webkit-box;
            overflow: hidden;
            margin: 0;
            color: var(--muted);
            font-size: 12px;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-arrow {
            width: 35px;
            height: 35px;
            display: grid;
            place-items: center;
            border: 1px solid var(--line);
            border-radius: 50%;
            color: var(--teal-400);
        }

        .news-item:hover .news-arrow {
            color: var(--jungle-950);
            border-color: var(--lime);
            background: var(--lime);
            transform: translateX(3px);
        }

        .resource-panel {
            padding: 29px;
            border: 1px solid rgba(255, 204, 0, .25);
            border-radius: var(--radius-lg);
            background: linear-gradient(150deg, rgba(255, 204, 0, .1), rgba(11, 60, 37, .52));
        }

        .resource-panel h3 {
            margin-bottom: 12px;
            font-size: 1.3rem;
        }

        .resource-panel > p {
            margin-bottom: 23px;
            color: var(--mint);
            font-size: 13px;
        }

        .resource-checklist {
            display: grid;
            gap: 13px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .resource-checklist li {
            display: flex;
            gap: 10px;
            color: var(--muted);
            font-size: 12px;
        }

        .resource-checklist i {
            margin-top: 4px;
            color: var(--sun);
        }

        .empty-state {
            padding: 24px 0;
            border-bottom: 1px solid var(--line);
            color: var(--muted);
            font-size: 13px;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 74px;
            align-items: start;
        }

        .faq-intro p {
            max-width: 390px;
            color: var(--muted);
        }

        .faq-intro .mini-note {
            display: flex;
            gap: 10px;
            margin-top: 28px;
            padding: 15px;
            border-left: 2px solid var(--sun);
            color: var(--mint);
            background: rgba(255, 204, 0, .05);
            font-size: 12px;
        }

        .faq-list {
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item summary {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 21px 0;
            cursor: pointer;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 1rem;
            font-weight: 600;
            list-style: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            flex: 0 0 auto;
            color: var(--sun);
            font-family: "Be Vietnam Pro", sans-serif;
            font-size: 23px;
            font-weight: 400;
            transition: transform .2s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-width: 730px;
            padding: 0 45px 22px 0;
            color: var(--muted);
            font-size: 13px;
        }

        .final-cta {
            padding: 78px 0;
            text-align: center;
            background:
                linear-gradient(90deg, rgba(6, 35, 21, .92), rgba(8, 127, 115, .28), rgba(6, 35, 21, .92)),
                url('/assets/images/backpic/back-3.jpg') center/cover;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .final-cta h2 {
            max-width: 780px;
            margin: 0 auto 15px;
        }

        .final-cta p {
            max-width: 650px;
            margin: 0 auto 27px;
            color: var(--mint);
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .site-footer {
            padding: 53px 0 25px;
            background: var(--jungle-950);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            max-width: 340px;
            margin: 18px 0 0;
            color: var(--muted);
            font-size: 12px;
        }

        .footer-heading {
            margin-bottom: 15px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 13px;
            font-weight: 700;
        }

        .footer-links {
            display: grid;
            gap: 10px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 12px;
        }

        .footer-links a:hover {
            color: var(--sun);
            transform: translateX(3px);
        }

        .footer-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }

        .trust-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 9px;
            border: 1px solid var(--line);
            border-radius: 8px;
            color: var(--mint);
            font-size: 10px;
        }

        .trust-chip i {
            color: var(--lime);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 21px;
            border-top: 1px solid var(--line);
            color: #668978;
            font-size: 11px;
        }

        .footer-bottom span:last-child {
            color: #86a895;
        }

        .floating-support {
            position: fixed;
            z-index: 1050;
            left: 1rem;
            bottom: 6rem;
            width: 56px;
            height: 56px;
            display: grid;
            place-items: center;
            border: 2px solid var(--sun);
            border-radius: 50%;
            color: var(--jungle-950);
            background: linear-gradient(145deg, var(--sun), #e89900);
            box-shadow: 0 4px 20px rgba(255, 204, 0, .3);
            opacity: .78;
            animation: float-badge 3.2s ease-in-out infinite;
        }

        .floating-support i {
            font-size: 20px;
            transition: transform .45s ease;
        }

        .floating-support:hover {
            color: var(--jungle-950);
            opacity: 1;
            transform: scale(1.1);
        }

        .floating-support:hover i {
            transform: rotate(360deg);
        }

        .floating-support:active {
            transform: scale(.95) translateY(2px);
        }

        .notification-dot {
            position: absolute;
            top: -2px;
            right: -1px;
            width: 12px;
            height: 12px;
            border: 2px solid var(--jungle-950);
            border-radius: 50%;
            background: #ff493d;
            animation: blink-dot 1.6s infinite;
        }

        @keyframes pulse-dot {
            50% { opacity: .45; box-shadow: 0 0 0 8px rgba(140, 230, 63, .03); }
        }

        @keyframes float-badge {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-7px); }
        }

        @keyframes blink-dot {
            50% { opacity: .35; }
        }

        @media (max-width: 991.98px) {
            .container {
                width: min(100% - 32px, 760px);
            }

            .navbar-collapse {
                margin-top: 12px;
                padding: 12px;
                border: 1px solid var(--line);
                border-radius: 15px;
                background: rgba(4, 23, 17, .98);
                box-shadow: var(--soft-shadow);
            }

            .navbar-nav {
                align-items: stretch;
                gap: 3px;
            }

            .nav-link {
                padding: 11px 13px !important;
            }

            .nav-link.active::after {
                left: 13px;
                right: auto;
                width: 24px;
            }

            .nav-action {
                justify-content: center;
                margin-top: 8px;
            }

            .hero {
                min-height: auto;
                padding: 55px 0;
            }

            .hero-grid,
            .app-layout,
            .service-layout,
            .feature-stage,
            .news-layout,
            .faq-wrap {
                grid-template-columns: 1fr;
            }

            .hero-main {
                min-height: 0;
            }

            .hero-side {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: auto;
            }

            .hero-strip {
                grid-column: auto;
            }

            .app-layout {
                gap: 38px;
            }

            .image-frame img,
            .stage-image img {
                min-height: 330px;
                max-height: 430px;
            }

            .stage-image {
                grid-row: 1;
            }

            .faq-wrap {
                gap: 30px;
            }

            .faq-intro p {
                max-width: 650px;
            }

            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --header-height: 70px;
            }

            body {
                font-size: 14px;
            }

            .brand-name {
                max-width: 185px;
                white-space: normal;
            }

            .hero {
                padding: 37px 0 44px;
            }

            .hero-main {
                padding: 29px 23px;
                border-radius: 22px;
            }

            h1 {
                font-size: clamp(2.08rem, 9vw, 3.4rem);
            }

            .hero-actions,
            .cta-actions {
                align-items: stretch;
                flex-direction: column;
            }

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

            .hero-facts {
                display: grid;
                gap: 12px;
            }

            .hero-side {
                gap: 14px;
            }

            .bento-tile {
                min-height: 205px;
                padding: 21px;
            }

            .bento-tile h2 {
                font-size: 1.15rem;
            }

            .hero-strip {
                align-items: flex-start;
                flex-direction: column;
                padding: 18px;
            }

            .strip-link {
                padding-top: 2px;
            }

            .section {
                padding: 72px 0;
            }

            .section-heading {
                margin-bottom: 31px;
            }

            .section-heading.split {
                display: block;
            }

            .update-bar {
                margin-top: 18px;
            }

            .image-frame {
                border-radius: 22px 22px 22px 7px;
            }

            .process-panel,
            .download-panel,
            .resource-panel {
                padding: 24px 20px;
            }

            .process-head {
                align-items: flex-start;
                flex-direction: column;
                gap: 13px;
            }

            .feature-columns {
                grid-template-columns: 1fr;
                gap: 21px;
            }

            .news-item {
                grid-template-columns: 1fr auto;
                gap: 8px 15px;
                padding: 18px 0;
            }

            .news-meta {
                grid-column: 1 / -1;
                flex-direction: row;
                align-items: center;
            }

            .news-title {
                font-size: .96rem;
            }

            .faq-item summary {
                font-size: .94rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 31px 20px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                align-items: flex-start;
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 519.98px) {
            .container {
                width: min(100% - 24px, 480px);
            }

            .brand-mark {
                width: 35px;
                height: 35px;
            }

            .brand-name {
                max-width: 150px;
                font-size: 13px;
            }

            .brand-sub {
                font-size: 9px;
            }

            .hero-grid {
                gap: 14px;
            }

            .hero-side {
                grid-template-columns: 1fr;
            }

            .bento-tile {
                min-height: 155px;
            }

            .tile-icon {
                margin-bottom: 14px;
            }

            .bento-tile p {
                max-width: 100%;
            }

            .hero-strip {
                margin-top: 0;
            }

            .image-frame img,
            .stage-image img {
                min-height: 260px;
            }

            .feature-list li {
                grid-template-columns: 34px 1fr;
                gap: 12px;
            }

            .feature-number {
                width: 34px;
                height: 34px;
            }

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

            .footer-brand {
                grid-column: auto;
            }

            .floating-support {
                left: 12px;
                bottom: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --jungle-950: #041711;
            --jungle-900: #062315;
            --jungle-800: #0b3c25;
            --jungle-700: #125637;
            --teal-600: #087f73;
            --teal-400: #29c6ae;
            --lime: #8ce63f;
            --sun: #ffcc00;
            --cream: #fffdf0;
            --mint: #c5e2d2;
            --muted: #92b4a3;
            --line: rgba(174, 235, 190, .17);
            --glass: rgba(11, 60, 37, .58);
            --shadow: 0 22px 60px rgba(0, 0, 0, .28);
            --soft-shadow: 0 12px 32px rgba(0, 0, 0, .2);
            --radius-xl: 28px;
            --radius-lg: 20px;
            --radius-md: 14px;
            --header-height: 78px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

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

        body {
            margin: 0;
            padding-top: var(--header-height);
            color: var(--cream);
            background:
                radial-gradient(circle at 12% 15%, rgba(50, 205, 50, .08), transparent 26rem),
                radial-gradient(circle at 85% 54%, rgba(8, 127, 115, .11), transparent 30rem),
                var(--jungle-950);
            font-family: "Be Vietnam Pro", sans-serif;
            font-size: 15px;
            line-height: 1.65;
            overflow-x: hidden;
        }

        h1,
        h2,
        h3,
        h4,
        p {
            margin-top: 0;
        }

        h1,
        h2,
        h3,
        h4 {
            color: var(--cream);
            font-family: "Space Grotesk", "Be Vietnam Pro", sans-serif;
            font-weight: 700;
            letter-spacing: -.035em;
        }

        p {
            color: var(--mint);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

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

        button,
        a {
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(255, 204, 0, .7);
            outline-offset: 4px;
        }

        .container {
            width: min(1180px, calc(100% - 40px));
            margin-inline: auto;
        }

        .site-header {
            position: fixed;
            z-index: 1000;
            inset: 0 0 auto;
            height: var(--header-height);
            background: rgba(4, 23, 17, .9);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(18px);
            transition: box-shadow .25s ease, background .25s ease;
        }

        .site-header.scrolled {
            background: rgba(4, 23, 17, .97);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .24);
        }

        .nav-wrap {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            min-width: max-content;
        }

        .brand-mark {
            width: 39px;
            height: 39px;
            display: grid;
            place-items: center;
            border-radius: 13px;
            color: var(--jungle-950);
            background: linear-gradient(145deg, var(--sun), #f39d00);
            box-shadow: 0 0 0 4px rgba(255, 204, 0, .1), 0 6px 18px rgba(255, 204, 0, .18);
            font-size: 17px;
        }

        .brand-copy {
            display: flex;
            flex-direction: column;
            line-height: 1.12;
        }

        .brand-name {
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: -.2px;
        }

        .brand-sub {
            margin-top: 3px;
            color: var(--teal-400);
            font-size: 10px;
            font-weight: 700;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .nav-link {
            position: relative;
            padding: 9px 14px !important;
            color: var(--muted) !important;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 600;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--cream) !important;
            background: rgba(50, 205, 50, .1);
        }

        .nav-link.active::after {
            position: absolute;
            content: "";
            left: 14px;
            right: 14px;
            bottom: 3px;
            height: 2px;
            border-radius: 4px;
            background: var(--sun);
        }

        .nav-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 16px;
            border: 1px solid rgba(255, 204, 0, .55);
            border-radius: 11px;
            color: var(--jungle-950);
            background: var(--sun);
            font-size: 12px;
            font-weight: 800;
        }

        .nav-action:hover {
            color: var(--jungle-950);
            background: #ffe25c;
            transform: translateY(-2px);
            box-shadow: 0 9px 22px rgba(255, 204, 0, .18);
        }

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

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(140, 230, 63, .18);
        }

        .hero {
            position: relative;
            min-height: 650px;
            display: flex;
            align-items: center;
            padding: 78px 0 74px;
            isolation: isolate;
            overflow: hidden;
            background:
                linear-gradient(90deg, rgba(4, 23, 17, .97) 0%, rgba(4, 23, 17, .78) 46%, rgba(4, 23, 17, .38) 100%),
                url("/assets/images/backpic/back-1.jpg") center/cover no-repeat;
        }

        .hero::before {
            position: absolute;
            z-index: -1;
            content: "";
            width: 560px;
            height: 560px;
            right: -190px;
            top: -180px;
            border: 1px solid rgba(140, 230, 63, .18);
            border-radius: 50%;
            box-shadow: 0 0 0 35px rgba(140, 230, 63, .025), 0 0 0 75px rgba(140, 230, 63, .018);
        }

        .hero::after {
            position: absolute;
            z-index: -1;
            content: "";
            inset: auto 0 0;
            height: 150px;
            background: linear-gradient(transparent, var(--jungle-950));
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr);
            align-items: center;
            gap: 72px;
        }

        .hero-copy {
            max-width: 680px;
        }

        .eyebrow,
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--lime);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: .16em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .section-label::before {
            width: 28px;
            height: 2px;
            content: "";
            border-radius: 5px;
            background: var(--sun);
        }

        .hero h1 {
            max-width: 760px;
            margin: 20px 0 21px;
            font-size: clamp(2.35rem, 5vw, 4.55rem);
            line-height: 1.06;
        }

        .hero h1 span {
            color: var(--sun);
        }

        .hero-lead {
            max-width: 620px;
            margin-bottom: 28px;
            color: var(--mint);
            font-size: 17px;
            line-height: 1.72;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 13px;
        }

        .btn-primary-custom,
        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 49px;
            padding: 13px 20px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 800;
            transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
        }

        .btn-primary-custom {
            color: var(--jungle-950);
            background: var(--sun);
            box-shadow: 0 12px 28px rgba(255, 204, 0, .17);
        }

        .btn-primary-custom:hover {
            color: var(--jungle-950);
            background: #ffe45c;
            transform: translateY(-3px);
            box-shadow: 0 16px 32px rgba(255, 204, 0, .25);
        }

        .btn-secondary-custom {
            color: var(--cream);
            border: 1px solid rgba(197, 226, 210, .32);
            background: rgba(6, 35, 21, .52);
        }

        .btn-secondary-custom:hover {
            color: var(--cream);
            border-color: var(--lime);
            background: rgba(50, 205, 50, .12);
            transform: translateY(-3px);
        }

        .hero-note {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 23px;
            color: var(--muted);
            font-size: 12px;
        }

        .hero-note span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-note i {
            color: var(--lime);
        }

        .video-panel {
            position: relative;
            min-height: 390px;
            overflow: hidden;
            border: 1px solid rgba(197, 226, 210, .23);
            border-radius: var(--radius-xl);
            background: rgba(4, 23, 17, .42);
            box-shadow: var(--shadow);
        }

        .hero-video {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .82;
            filter: saturate(.88) contrast(1.05);
        }

        .video-panel::after {
            position: absolute;
            inset: 0;
            content: "";
            background: linear-gradient(145deg, rgba(4, 23, 17, .14), rgba(4, 23, 17, .8));
            pointer-events: none;
        }

        .video-content {
            position: relative;
            z-index: 1;
            min-height: 390px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 25px;
        }

        .video-topline {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--mint);
            font-size: 12px;
            font-weight: 700;
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 10px;
            border: 1px solid rgba(140, 230, 63, .28);
            border-radius: 30px;
            color: var(--lime);
            background: rgba(4, 23, 17, .6);
            font-size: 10px;
            font-weight: 800;
            letter-spacing: .08em;
            text-transform: uppercase;
        }

        .live-badge::before {
            width: 7px;
            height: 7px;
            content: "";
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 12px var(--lime);
            animation: pulseDot 1.8s infinite;
        }

        .play-button {
            width: 76px;
            height: 76px;
            display: grid;
            place-items: center;
            align-self: center;
            color: var(--jungle-950);
            border: 7px solid rgba(255, 253, 240, .25);
            border-radius: 50%;
            background: var(--sun);
            box-shadow: 0 0 0 10px rgba(255, 204, 0, .12), 0 16px 30px rgba(0, 0, 0, .25);
            font-size: 22px;
            transition: transform .25s ease, background-color .25s ease, box-shadow .25s ease;
        }

        .play-button:hover {
            color: var(--jungle-950);
            background: #ffe45c;
            transform: scale(1.08);
            box-shadow: 0 0 0 14px rgba(255, 204, 0, .16), 0 18px 35px rgba(0, 0, 0, .32);
        }

        .video-caption {
            max-width: 270px;
        }

        .video-caption strong {
            display: block;
            margin-bottom: 5px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 18px;
        }

        .video-caption span {
            color: var(--mint);
            font-size: 12px;
        }

        .page-intro {
            padding: 92px 0 45px;
        }

        .intro-layout {
            display: grid;
            grid-template-columns: .82fr 1.18fr;
            align-items: end;
            gap: 70px;
            padding-bottom: 38px;
            border-bottom: 1px solid var(--line);
        }

        .section-label {
            margin-bottom: 15px;
        }

        .section-heading {
            margin-bottom: 15px;
            font-size: clamp(1.85rem, 3.4vw, 3rem);
            line-height: 1.12;
        }

        .intro-layout p {
            max-width: 650px;
            margin-bottom: 0;
            color: var(--mint);
            font-size: 16px;
        }

        .stat-line {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .stat-item {
            min-width: 138px;
            padding: 17px 18px;
            border-left: 2px solid var(--sun);
            background: rgba(11, 60, 37, .34);
        }

        .stat-item strong {
            display: block;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 25px;
            line-height: 1.05;
        }

        .stat-item span {
            display: block;
            margin-top: 5px;
            color: var(--muted);
            font-size: 11px;
        }

        .section {
            padding: 64px 0;
        }

        .section-heading-row {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 35px;
            margin-bottom: 31px;
        }

        .section-heading-row .section-heading {
            margin-bottom: 0;
        }

        .section-summary {
            max-width: 470px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 22px;
        }

        .feature-main {
            position: relative;
            min-height: 330px;
            overflow: hidden;
            border-radius: var(--radius-xl);
            background: var(--jungle-800);
        }

        .feature-main img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .7;
        }

        .feature-main::after {
            position: absolute;
            inset: 0;
            content: "";
            background: linear-gradient(90deg, rgba(4, 23, 17, .92), rgba(4, 23, 17, .24));
        }

        .feature-main-content {
            position: relative;
            z-index: 1;
            max-width: 455px;
            padding: 39px;
        }

        .feature-main h3 {
            margin: 16px 0 12px;
            font-size: 28px;
            line-height: 1.16;
        }

        .feature-main p {
            margin-bottom: 21px;
            font-size: 14px;
        }

        .feature-side {
            display: grid;
            gap: 22px;
        }

        .feature-row {
            display: grid;
            grid-template-columns: 92px 1fr;
            gap: 18px;
            align-items: center;
            padding: 18px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: rgba(11, 60, 37, .39);
            transition: transform .25s ease, border-color .25s ease, background-color .25s ease;
        }

        .feature-row:hover {
            transform: translateX(5px);
            border-color: rgba(140, 230, 63, .42);
            background: rgba(18, 86, 55, .58);
        }

        .feature-row img {
            width: 92px;
            height: 92px;
            object-fit: cover;
            border-radius: 15px;
        }

        .feature-row h3 {
            margin: 0 0 6px;
            font-size: 18px;
            letter-spacing: -.025em;
        }

        .feature-row p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.55;
        }

        .steps-section {
            padding: 79px 0;
            background:
                linear-gradient(90deg, rgba(6, 35, 21, .98), rgba(6, 35, 21, .83)),
                url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
            border-top: 1px solid rgba(174, 235, 190, .08);
            border-bottom: 1px solid rgba(174, 235, 190, .08);
        }

        .steps-layout {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 72px;
            align-items: start;
        }

        .steps-intro {
            position: sticky;
            top: 110px;
        }

        .steps-intro p {
            margin: 0;
            color: var(--muted);
        }

        .step-list {
            display: grid;
            gap: 0;
        }

        .step-item {
            position: relative;
            display: grid;
            grid-template-columns: 58px 1fr;
            gap: 21px;
            min-height: 125px;
        }

        .step-item:not(:last-child)::after {
            position: absolute;
            top: 52px;
            left: 26px;
            width: 1px;
            height: calc(100% - 25px);
            content: "";
            background: linear-gradient(var(--sun), rgba(255, 204, 0, .05));
        }

        .step-number {
            position: relative;
            z-index: 1;
            width: 53px;
            height: 53px;
            display: grid;
            place-items: center;
            border: 1px solid rgba(255, 204, 0, .6);
            border-radius: 17px;
            color: var(--jungle-950);
            background: var(--sun);
            font-family: "Space Grotesk", sans-serif;
            font-size: 19px;
            font-weight: 700;
            box-shadow: 0 8px 18px rgba(255, 204, 0, .12);
        }

        .step-content {
            padding: 2px 0 31px;
        }

        .step-content h3 {
            margin-bottom: 7px;
            font-size: 20px;
        }

        .step-content p {
            max-width: 570px;
            margin-bottom: 0;
            color: var(--mint);
            font-size: 14px;
        }

        .device-section {
            padding: 81px 0 74px;
        }

        .device-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 62px;
            align-items: center;
        }

        .device-image {
            position: relative;
            min-height: 390px;
            overflow: hidden;
            border-radius: var(--radius-xl);
            background: var(--jungle-800);
            box-shadow: var(--soft-shadow);
        }

        .device-image img {
            width: 100%;
            height: 390px;
            object-fit: cover;
            opacity: .82;
        }

        .device-image::before {
            position: absolute;
            z-index: 1;
            inset: 18px;
            content: "";
            border: 1px solid rgba(255, 204, 0, .4);
            border-radius: 21px;
            pointer-events: none;
        }

        .device-image-tag {
            position: absolute;
            z-index: 2;
            right: 30px;
            bottom: 28px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 13px;
            border-radius: 12px;
            color: var(--jungle-950);
            background: var(--sun);
            font-size: 11px;
            font-weight: 800;
        }

        .check-list {
            display: grid;
            gap: 16px;
            margin: 24px 0 0;
            padding: 0;
            list-style: none;
        }

        .check-list li {
            display: grid;
            grid-template-columns: 28px 1fr;
            gap: 12px;
            align-items: start;
            color: var(--mint);
            font-size: 14px;
        }

        .check-list i {
            width: 27px;
            height: 27px;
            display: grid;
            place-items: center;
            border-radius: 9px;
            color: var(--jungle-950);
            background: var(--lime);
            font-size: 12px;
        }

        .safe-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }

        .safe-chip,
        .trust-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 11px;
            color: var(--mint);
            border: 1px solid var(--line);
            border-radius: 30px;
            background: rgba(11, 60, 37, .44);
            font-size: 11px;
            font-weight: 600;
        }

        .safe-chip i,
        .trust-chip i {
            color: var(--lime);
        }

        .faq-section {
            padding: 75px 0;
            background: rgba(6, 35, 21, .45);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 70px;
            align-items: start;
        }

        .faq-intro p {
            max-width: 360px;
            color: var(--muted);
        }

        .accordion {
            --bs-accordion-bg: transparent;
            --bs-accordion-color: var(--mint);
            --bs-accordion-border-color: var(--line);
            --bs-accordion-btn-color: var(--cream);
            --bs-accordion-active-color: var(--cream);
            --bs-accordion-active-bg: rgba(18, 86, 55, .42);
            --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(140, 230, 63, .14);
        }

        .accordion-item {
            margin-bottom: 11px;
            overflow: hidden;
            border: 1px solid var(--line) !important;
            border-radius: var(--radius-md) !important;
            background: rgba(11, 60, 37, .31);
        }

        .accordion-button {
            min-height: 64px;
            padding: 17px 20px;
            background: transparent;
            font-size: 14px;
            font-weight: 700;
        }

        .accordion-button:not(.collapsed) {
            box-shadow: none;
        }

        .accordion-button::after {
            filter: brightness(0) invert(1);
        }

        .accordion-body {
            padding: 0 20px 20px;
            color: var(--mint);
            font-size: 13px;
        }

        .cta-section {
            padding: 85px 0;
        }

        .cta-box {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 35px;
            align-items: center;
            padding: 42px 48px;
            border: 1px solid rgba(255, 204, 0, .33);
            border-radius: var(--radius-xl);
            background:
                linear-gradient(100deg, rgba(11, 60, 37, .96), rgba(8, 127, 115, .5)),
                url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
            box-shadow: var(--shadow);
        }

        .cta-box::after {
            position: absolute;
            width: 270px;
            height: 270px;
            right: 100px;
            top: -170px;
            content: "";
            border: 1px solid rgba(255, 204, 0, .24);
            border-radius: 50%;
            box-shadow: 0 0 0 26px rgba(255, 204, 0, .04), 0 0 0 54px rgba(255, 204, 0, .025);
        }

        .cta-box > * {
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            max-width: 670px;
            margin-bottom: 10px;
            font-size: clamp(1.7rem, 3vw, 2.7rem);
        }

        .cta-box p {
            max-width: 650px;
            margin-bottom: 0;
            color: var(--mint);
        }

        .site-footer {
            padding: 62px 0 25px;
            border-top: 1px solid var(--line);
            background: #03120d;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr .8fr .8fr;
            gap: 60px;
            padding-bottom: 45px;
        }

        .footer-brand .brand {
            margin-bottom: 18px;
        }

        .footer-brand p {
            max-width: 390px;
            margin-bottom: 20px;
            color: var(--muted);
            font-size: 13px;
        }

        .footer-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-heading {
            margin: 4px 0 16px;
            color: var(--cream);
            font-size: 13px;
            font-weight: 800;
        }

        .footer-links {
            display: grid;
            gap: 10px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 12px;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding-top: 22px;
            border-top: 1px solid var(--line);
            color: #6f9582;
            font-size: 11px;
        }

        .fab-support {
            position: fixed;
            z-index: 1050;
            left: 16px;
            bottom: 96px;
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            color: var(--jungle-950);
            border: 3px solid var(--sun);
            border-radius: 50%;
            background: linear-gradient(145deg, #ffe25c, #d98e00);
            box-shadow: 0 4px 20px rgba(255, 215, 0, .3), inset 0 2px 2px rgba(255, 255, 255, .42);
            opacity: .78;
            animation: floatButton 3.2s ease-in-out infinite;
            transition: transform .25s ease, opacity .25s ease, box-shadow .25s ease;
        }

        .fab-support:hover {
            color: var(--jungle-950);
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, .42), inset 0 2px 2px rgba(255, 255, 255, .42);
        }

        .fab-support i {
            font-size: 21px;
            transition: transform .5s ease;
        }

        .fab-support:hover i {
            transform: rotate(360deg);
        }

        .fab-support::after {
            position: absolute;
            top: -2px;
            right: -1px;
            width: 10px;
            height: 10px;
            content: "";
            border: 2px solid var(--jungle-950);
            border-radius: 50%;
            background: #e83d3d;
            animation: pulseDot 1.5s infinite;
        }

        .modal-content {
            color: var(--cream);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: var(--jungle-900);
            box-shadow: var(--shadow);
        }

        .modal-header {
            border-bottom-color: var(--line);
        }

        .modal-title {
            font-size: 19px;
        }

        .modal-body {
            color: var(--mint);
            font-size: 14px;
        }

        .btn-close {
            filter: invert(1);
        }

        @keyframes pulseDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: .45; transform: scale(.75); }
        }

        @keyframes floatButton {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @media (max-width: 1100px) {
            .hero-grid {
                gap: 40px;
            }

            .intro-layout,
            .steps-layout,
            .faq-layout {
                gap: 42px;
            }

            .navbar-nav {
                gap: 1px;
            }

            .nav-link {
                padding-inline: 10px !important;
                font-size: 12px;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --header-height: 70px;
            }

            .site-header {
                height: var(--header-height);
            }

            .nav-wrap {
                gap: 15px;
            }

            .navbar {
                margin-left: auto;
            }

            .navbar-collapse {
                position: absolute;
                top: calc(100% + 1px);
                left: 20px;
                right: 20px;
                padding: 12px;
                border: 1px solid var(--line);
                border-radius: 16px;
                background: rgba(4, 23, 17, .98);
                box-shadow: var(--shadow);
            }

            .navbar-nav {
                align-items: stretch !important;
            }

            .nav-link,
            .nav-action {
                display: flex;
                width: 100%;
                justify-content: flex-start;
                margin: 2px 0;
            }

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

            .hero {
                min-height: auto;
                padding: 74px 0 65px;
            }

            .hero-grid,
            .intro-layout,
            .feature-grid,
            .steps-layout,
            .device-layout,
            .faq-layout {
                grid-template-columns: 1fr;
            }

            .hero-copy {
                max-width: 760px;
            }

            .video-panel {
                min-height: 340px;
                max-width: 650px;
            }

            .video-content {
                min-height: 340px;
            }

            .steps-intro {
                position: static;
            }

            .device-image {
                order: 2;
                max-width: 650px;
            }

            .device-copy {
                order: 1;
            }

            .footer-grid {
                grid-template-columns: 1.3fr 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                width: min(100% - 30px, 620px);
            }

            .brand-name {
                font-size: 13px;
            }

            .brand-sub {
                font-size: 9px;
            }

            .hero h1 {
                font-size: clamp(2.05rem, 10vw, 3.15rem);
            }

            .hero-lead {
                font-size: 15px;
            }

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

            .btn-primary-custom,
            .btn-secondary-custom {
                width: 100%;
            }

            .hero-note {
                gap: 10px 15px;
            }

            .page-intro,
            .section,
            .device-section,
            .faq-section,
            .cta-section {
                padding: 58px 0;
            }

            .section-heading-row {
                display: block;
                margin-bottom: 24px;
            }

            .section-summary {
                margin-top: 12px;
            }

            .feature-main-content {
                padding: 28px;
            }

            .feature-main h3 {
                font-size: 24px;
            }

            .cta-box {
                display: block;
                padding: 31px 25px;
            }

            .cta-box .btn-primary-custom {
                width: auto;
                margin-top: 23px;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 7px;
            }
        }

        @media (max-width: 520px) {
            .container {
                width: calc(100% - 28px);
            }

            .brand-mark {
                width: 35px;
                height: 35px;
                font-size: 15px;
            }

            .brand-name {
                max-width: 160px;
                white-space: normal;
            }

            .hero {
                padding-top: 55px;
            }

            .video-panel,
            .video-content {
                min-height: 290px;
            }

            .video-content {
                padding: 19px;
            }

            .play-button {
                width: 64px;
                height: 64px;
                font-size: 18px;
            }

            .intro-layout {
                gap: 25px;
            }

            .stat-line {
                display: grid;
                grid-template-columns: 1fr 1fr;
            }

            .stat-item {
                min-width: 0;
                padding: 14px;
            }

            .stat-item strong {
                font-size: 21px;
            }

            .feature-row {
                grid-template-columns: 72px 1fr;
                gap: 13px;
                padding: 13px;
            }

            .feature-row img {
                width: 72px;
                height: 72px;
            }

            .step-item {
                grid-template-columns: 46px 1fr;
                gap: 14px;
            }

            .step-number {
                width: 44px;
                height: 44px;
                border-radius: 13px;
                font-size: 16px;
            }

            .step-item:not(:last-child)::after {
                left: 21px;
                top: 44px;
            }

            .device-image,
            .device-image img {
                min-height: 300px;
                height: 300px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 27px;
            }

            .footer-brand {
                grid-column: auto;
            }

            .fab-support {
                left: 14px;
                bottom: 78px;
            }
        }

/* roulang page: article */
:root {
            --jungle-950: #041711;
            --jungle-900: #062315;
            --jungle-800: #0b3c25;
            --jungle-700: #125637;
            --teal-600: #087f73;
            --teal-400: #29c6ae;
            --lime: #8ce63f;
            --sun: #ffcc00;
            --cream: #fffdf0;
            --mint: #c5e2d2;
            --muted: #92b4a3;
            --line: rgba(174, 235, 190, .17);
            --glass: rgba(11, 60, 37, .58);
            --shadow: 0 22px 60px rgba(0, 0, 0, .28);
            --soft-shadow: 0 12px 32px rgba(0, 0, 0, .2);
            --radius-xl: 28px;
            --radius-lg: 20px;
            --radius-md: 14px;
            --header-height: 78px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            margin: 0;
            padding-top: var(--header-height);
            overflow-x: hidden;
            color: var(--cream);
            background:
                radial-gradient(circle at 10% 12%, rgba(50, 205, 50, .08), transparent 25rem),
                radial-gradient(circle at 88% 48%, rgba(8, 127, 115, .12), transparent 30rem),
                var(--jungle-950);
            font-family: "Be Vietnam Pro", sans-serif;
            font-size: 15px;
            line-height: 1.65;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

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

        button,
        a {
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(255, 204, 0, .72);
            outline-offset: 4px;
        }

        .container {
            width: min(1180px, calc(100% - 40px));
            margin-inline: auto;
        }

        .site-header {
            position: fixed;
            z-index: 1000;
            inset: 0 0 auto;
            height: var(--header-height);
            background: rgba(4, 23, 17, .9);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(18px);
            transition: background .25s ease, box-shadow .25s ease;
        }

        .site-header.scrolled {
            background: rgba(4, 23, 17, .98);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .24);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            min-width: max-content;
            gap: 11px;
        }

        .brand-mark {
            display: grid;
            place-items: center;
            width: 39px;
            height: 39px;
            color: var(--jungle-950);
            background: linear-gradient(145deg, var(--sun), #f39d00);
            border-radius: 13px;
            box-shadow: 0 0 0 4px rgba(255, 204, 0, .1), 0 6px 18px rgba(255, 204, 0, .18);
            font-size: 17px;
        }

        .brand-copy {
            display: flex;
            flex-direction: column;
            line-height: 1.12;
        }

        .brand-name {
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: -.2px;
        }

        .brand-sub {
            margin-top: 3px;
            color: var(--teal-400);
            font-size: 10px;
            font-weight: 700;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .nav-link {
            position: relative;
            padding: 9px 14px !important;
            color: var(--muted) !important;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 600;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--cream) !important;
            background: rgba(50, 205, 50, .1);
        }

        .nav-link.active::after {
            position: absolute;
            right: 14px;
            bottom: 3px;
            left: 14px;
            height: 2px;
            content: "";
            background: var(--sun);
            border-radius: 4px;
        }

        .nav-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 16px;
            color: var(--jungle-950);
            background: var(--sun);
            border: 1px solid rgba(255, 204, 0, .55);
            border-radius: 11px;
            font-size: 12px;
            font-weight: 800;
        }

        .nav-action:hover {
            color: var(--jungle-950);
            background: #ffe25c;
            box-shadow: 0 9px 22px rgba(255, 204, 0, .18);
            transform: translateY(-2px);
        }

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

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(140, 230, 63, .18);
        }

        .article-banner {
            position: relative;
            display: flex;
            align-items: flex-end;
            min-height: 420px;
            padding: 76px 0 58px;
            isolation: isolate;
            background:
                linear-gradient(90deg, rgba(4, 23, 17, .97) 0%, rgba(4, 23, 17, .8) 52%, rgba(4, 23, 17, .38) 100%),
                url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
        }

        .article-banner::after {
            position: absolute;
            z-index: -1;
            right: 7%;
            bottom: -90px;
            width: 280px;
            height: 280px;
            content: "";
            border: 1px solid rgba(140, 230, 63, .17);
            border-radius: 50%;
            box-shadow: 0 0 0 30px rgba(140, 230, 63, .025), 0 0 0 62px rgba(140, 230, 63, .018);
        }

        .banner-content {
            width: min(810px, 100%);
        }

        .eyebrow,
        .article-meta,
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--lime);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: .13em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .section-kicker::before {
            width: 25px;
            height: 2px;
            content: "";
            background: var(--sun);
            border-radius: 4px;
        }

        .banner-content h1 {
            max-width: 850px;
            margin: 18px 0 16px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: clamp(2.15rem, 5vw, 4.55rem);
            font-weight: 700;
            line-height: 1.05;
            letter-spacing: -.055em;
        }

        .banner-content p {
            max-width: 720px;
            margin: 0;
            color: var(--mint);
            font-size: clamp(1rem, 1.6vw, 1.12rem);
        }

        .article-meta {
            flex-wrap: wrap;
            margin-top: 26px;
            color: var(--muted);
            letter-spacing: .03em;
            text-transform: none;
        }

        .meta-divider {
            width: 4px;
            height: 4px;
            background: var(--sun);
            border-radius: 50%;
        }

        .page-main {
            padding: 76px 0 90px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 310px;
            align-items: start;
            gap: 54px;
        }

        .article-column {
            min-width: 0;
        }

        .article-cover {
            position: relative;
            overflow: hidden;
            margin-bottom: 38px;
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            background: var(--jungle-900);
            box-shadow: var(--shadow);
        }

        .article-cover img {
            width: 100%;
            aspect-ratio: 16 / 7;
            object-fit: cover;
            opacity: .9;
        }

        .article-cover::after {
            position: absolute;
            inset: 0;
            content: "";
            background: linear-gradient(180deg, transparent 55%, rgba(4, 23, 17, .36));
            pointer-events: none;
        }

        .article-content {
            color: var(--mint);
            font-size: 16px;
            line-height: 1.78;
        }

        .article-content > *:first-child {
            margin-top: 0;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin: 40px 0 15px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            line-height: 1.2;
            letter-spacing: -.025em;
        }

        .article-content h2 {
            font-size: clamp(1.55rem, 2.8vw, 2.15rem);
        }

        .article-content h3 {
            font-size: 1.35rem;
        }

        .article-content p {
            margin: 0 0 20px;
        }

        .article-content a {
            color: var(--lime);
            font-weight: 700;
            text-decoration: underline;
            text-decoration-color: rgba(140, 230, 63, .35);
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--sun);
        }

        .article-content ul,
        .article-content ol {
            margin: 20px 0 26px;
            padding-left: 25px;
        }

        .article-content li {
            margin-bottom: 10px;
            padding-left: 5px;
        }

        .article-content li::marker {
            color: var(--sun);
            font-weight: 800;
        }

        .article-content blockquote {
            margin: 30px 0;
            padding: 23px 25px;
            color: var(--cream);
            background: rgba(18, 86, 55, .34);
            border-left: 3px solid var(--sun);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }

        .article-content img {
            width: 100%;
            margin: 28px 0;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
        }

        .article-content table {
            width: 100%;
            margin: 25px 0;
            overflow: hidden;
            border-collapse: collapse;
            color: var(--mint);
            background: rgba(11, 60, 37, .35);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
        }

        .article-content th,
        .article-content td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--line);
            text-align: left;
        }

        .article-content th {
            color: var(--cream);
            background: rgba(8, 127, 115, .25);
        }

        .not-found {
            padding: 48px 35px;
            text-align: left;
            background: linear-gradient(145deg, rgba(11, 60, 37, .75), rgba(6, 35, 21, .76));
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            box-shadow: var(--soft-shadow);
        }

        .not-found i {
            display: inline-grid;
            place-items: center;
            width: 54px;
            height: 54px;
            margin-bottom: 20px;
            color: var(--jungle-950);
            background: var(--sun);
            border-radius: 16px;
        }

        .not-found h2 {
            margin: 0 0 10px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
        }

        .not-found p {
            margin: 0 0 25px;
            color: var(--muted);
        }

        .btn-primary-custom,
        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 12px 20px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 800;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
        }

        .btn-primary-custom {
            color: var(--jungle-950);
            background: var(--sun);
            border: 1px solid var(--sun);
        }

        .btn-primary-custom:hover {
            color: var(--jungle-950);
            background: #ffe25c;
            box-shadow: 0 12px 25px rgba(255, 204, 0, .2);
            transform: translateY(-2px);
        }

        .btn-secondary-custom {
            color: var(--cream);
            background: rgba(41, 198, 174, .08);
            border: 1px solid rgba(41, 198, 174, .34);
        }

        .btn-secondary-custom:hover {
            color: var(--cream);
            background: rgba(41, 198, 174, .17);
            border-color: var(--teal-400);
            transform: translateY(-2px);
        }

        .article-sidebar {
            position: sticky;
            top: 105px;
        }

        .side-panel {
            padding: 25px;
            background: linear-gradient(150deg, rgba(11, 60, 37, .8), rgba(6, 35, 21, .72));
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--soft-shadow);
        }

        .side-panel + .side-panel {
            margin-top: 20px;
        }

        .side-heading {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 17px;
            font-weight: 700;
        }

        .side-heading i {
            color: var(--sun);
        }

        .side-list {
            display: grid;
            gap: 13px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .side-list li {
            position: relative;
            padding-left: 19px;
            color: var(--muted);
            font-size: 13px;
        }

        .side-list li::before {
            position: absolute;
            top: .7em;
            left: 0;
            width: 7px;
            height: 7px;
            content: "";
            background: var(--lime);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(140, 230, 63, .1);
        }

        .side-list a:hover {
            color: var(--cream);
        }

        .download-panel {
            position: relative;
            overflow: hidden;
            padding: 27px 25px;
            background:
                linear-gradient(145deg, rgba(8, 127, 115, .82), rgba(11, 60, 37, .9)),
                url('/assets/images/backpic/back-3.jpg') center/cover;
            border: 1px solid rgba(255, 204, 0, .35);
            border-radius: var(--radius-lg);
            box-shadow: 0 17px 35px rgba(0, 0, 0, .23);
        }

        .download-panel::before {
            position: absolute;
            right: -36px;
            bottom: -46px;
            width: 130px;
            height: 130px;
            content: "";
            border: 1px solid rgba(255, 204, 0, .32);
            border-radius: 50%;
            box-shadow: 0 0 0 18px rgba(255, 204, 0, .05);
        }

        .download-panel > * {
            position: relative;
            z-index: 1;
        }

        .download-panel .tag {
            display: inline-flex;
            padding: 5px 9px;
            color: var(--jungle-950);
            background: var(--sun);
            border-radius: 7px;
            font-size: 10px;
            font-weight: 800;
            letter-spacing: .08em;
            text-transform: uppercase;
        }

        .download-panel h3 {
            margin: 16px 0 9px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 20px;
            line-height: 1.25;
        }

        .download-panel p {
            margin: 0 0 20px;
            color: var(--mint);
            font-size: 13px;
        }

        .quick-info {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-top: 18px;
        }

        .info-item {
            padding: 13px 12px;
            background: rgba(4, 23, 17, .37);
            border: 1px solid rgba(197, 226, 210, .12);
            border-radius: 12px;
        }

        .info-item strong {
            display: block;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 17px;
        }

        .info-item span {
            display: block;
            margin-top: 2px;
            color: var(--muted);
            font-size: 11px;
        }

        .related-section {
            padding: 76px 0;
            background: linear-gradient(180deg, rgba(6, 35, 21, .22), rgba(18, 86, 55, .18));
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 25px;
            margin-bottom: 28px;
        }

        .section-heading h2 {
            max-width: 640px;
            margin: 12px 0 0;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            line-height: 1.1;
            letter-spacing: -.045em;
        }

        .section-heading p {
            max-width: 360px;
            margin: 0;
            color: var(--muted);
            font-size: 13px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            overflow: hidden;
            height: 100%;
            background: rgba(11, 60, 37, .55);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: 0 10px 25px rgba(0, 0, 0, .12);
        }

        .related-card:hover {
            border-color: rgba(140, 230, 63, .5);
            box-shadow: 0 18px 36px rgba(0, 0, 0, .23);
            transform: translateY(-5px);
        }

        .related-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .related-card:hover img {
            transform: scale(1.045);
        }

        .related-body {
            padding: 20px;
        }

        .related-body .small-label {
            color: var(--lime);
            font-size: 10px;
            font-weight: 800;
            letter-spacing: .11em;
            text-transform: uppercase;
        }

        .related-body h3 {
            margin: 9px 0 9px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 18px;
            line-height: 1.28;
        }

        .related-body p {
            margin: 0 0 14px;
            color: var(--muted);
            font-size: 13px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--sun);
            font-size: 12px;
            font-weight: 800;
        }

        .text-link:hover {
            color: var(--lime);
            gap: 10px;
        }

        .article-cta {
            position: relative;
            overflow: hidden;
            padding: 70px 0;
            text-align: center;
            background:
                linear-gradient(115deg, rgba(11, 60, 37, .93), rgba(8, 127, 115, .55)),
                url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
        }

        .article-cta::before {
            position: absolute;
            top: -140px;
            left: 8%;
            width: 310px;
            height: 310px;
            content: "";
            border: 1px solid rgba(255, 204, 0, .22);
            border-radius: 50%;
        }

        .article-cta-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
            margin-inline: auto;
        }

        .article-cta h2 {
            margin: 13px 0 12px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: clamp(1.9rem, 4vw, 3.15rem);
            line-height: 1.1;
            letter-spacing: -.045em;
        }

        .article-cta p {
            margin: 0 auto 25px;
            color: var(--mint);
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .site-footer {
            padding: 62px 0 22px;
            background: #03120d;
            border-top: 1px solid var(--line);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 55px;
            padding-bottom: 45px;
        }

        .footer-brand p {
            max-width: 420px;
            margin: 20px 0 19px;
            color: var(--muted);
            font-size: 13px;
        }

        .footer-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
        }

        .trust-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 10px;
            color: var(--mint);
            background: rgba(41, 198, 174, .08);
            border: 1px solid var(--line);
            border-radius: 8px;
            font-size: 11px;
        }

        .trust-chip i {
            color: var(--lime);
        }

        .footer-heading {
            margin: 4px 0 18px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 15px;
            font-weight: 700;
        }

        .footer-links {
            display: grid;
            gap: 11px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 13px;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding-top: 19px;
            color: #6f9381;
            border-top: 1px solid var(--line);
            font-size: 11px;
        }

        .floating-support {
            position: fixed;
            z-index: 1050;
            bottom: 24px;
            left: 16px;
            display: inline-flex;
            align-items: center;
            gap: 9px;
            min-width: 52px;
            min-height: 52px;
            padding: 13px 16px;
            color: var(--jungle-950);
            background: linear-gradient(145deg, var(--sun), #e99e00);
            border: 2px solid #ffe978;
            border-radius: 18px;
            box-shadow: 0 8px 24px rgba(255, 204, 0, .28);
            font-size: 12px;
            font-weight: 800;
            opacity: .84;
            animation: gentleFloat 3.6s ease-in-out infinite;
        }

        .floating-support:hover {
            color: var(--jungle-950);
            opacity: 1;
            box-shadow: 0 12px 32px rgba(255, 204, 0, .42);
            transform: scale(1.07);
        }

        .floating-support i {
            font-size: 18px;
            transition: transform .45s ease;
        }

        .floating-support:hover i {
            transform: rotate(360deg);
        }

        .floating-support::after {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 10px;
            height: 10px;
            content: "";
            background: #e53935;
            border: 2px solid var(--jungle-950);
            border-radius: 50%;
            animation: blinkDot 1.4s ease-in-out infinite;
        }

        @keyframes gentleFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: .35; }
        }

        @media (max-width: 991.98px) {
            :root {
                --header-height: 70px;
            }

            .site-header {
                height: var(--header-height);
            }

            .nav-wrap {
                gap: 14px;
            }

            .navbar {
                position: relative;
            }

            .navbar-collapse {
                position: absolute;
                top: calc(100% + 13px);
                right: 0;
                width: min(350px, calc(100vw - 30px));
                padding: 12px;
                background: rgba(4, 23, 17, .98);
                border: 1px solid var(--line);
                border-radius: 16px;
                box-shadow: var(--shadow);
            }

            .navbar-nav {
                align-items: stretch !important;
                gap: 4px;
            }

            .nav-link,
            .nav-action {
                display: flex;
                width: 100%;
                justify-content: flex-start;
            }

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

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .side-panel + .side-panel {
                margin-top: 0;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                width: min(100% - 30px, 620px);
            }

            .brand-name {
                font-size: 13px;
            }

            .brand-sub {
                font-size: 9px;
            }

            .article-banner {
                min-height: 430px;
                padding: 60px 0 48px;
                background-position: 62% center;
            }

            .banner-content h1 {
                font-size: clamp(2rem, 10vw, 3.15rem);
            }

            .page-main,
            .related-section {
                padding: 56px 0;
            }

            .article-cover {
                margin-bottom: 28px;
                border-radius: 20px;
            }

            .article-cover img {
                aspect-ratio: 4 / 3;
            }

            .article-content {
                font-size: 15px;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

            .section-heading {
                display: block;
            }

            .section-heading p {
                margin-top: 14px;
            }

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

            .related-card img {
                aspect-ratio: 16 / 8;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 35px 22px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 519.98px) {
            .container {
                width: calc(100% - 28px);
            }

            .brand-mark {
                width: 35px;
                height: 35px;
                border-radius: 11px;
            }

            .brand-name {
                max-width: 170px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .navbar-collapse {
                right: -1px;
            }

            .article-banner {
                min-height: 455px;
            }

            .article-meta {
                line-height: 1.5;
            }

            .not-found {
                padding: 35px 23px;
            }

            .download-panel,
            .side-panel {
                padding: 22px 19px;
            }

            .quick-info {
                grid-template-columns: 1fr 1fr;
            }

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

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                display: block;
                line-height: 1.7;
            }

            .footer-bottom span {
                display: block;
            }

            .footer-bottom span + span {
                margin-top: 4px;
            }

            .floating-support {
                bottom: 20px;
                left: 14px;
                padding: 13px;
                border-radius: 50%;
            }

            .floating-support span {
                display: none;
            }
        }

/* roulang page: category2 */
:root {
            --jungle-950: #041711;
            --jungle-900: #062315;
            --jungle-800: #0b3c25;
            --jungle-700: #125637;
            --teal-600: #087f73;
            --teal-400: #29c6ae;
            --lime: #8ce63f;
            --sun: #ffcc00;
            --cream: #fffdf0;
            --mint: #c5e2d2;
            --muted: #92b4a3;
            --line: rgba(174, 235, 190, .17);
            --glass: rgba(11, 60, 37, .58);
            --shadow: 0 22px 60px rgba(0, 0, 0, .28);
            --soft-shadow: 0 12px 32px rgba(0, 0, 0, .2);
            --radius-xl: 28px;
            --radius-lg: 20px;
            --radius-md: 14px;
            --header-height: 78px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            margin: 0;
            padding-top: var(--header-height);
            background:
                radial-gradient(circle at 10% 12%, rgba(50, 205, 50, .08), transparent 27rem),
                radial-gradient(circle at 88% 58%, rgba(8, 127, 115, .12), transparent 30rem),
                var(--jungle-950);
            color: var(--cream);
            font-family: "Be Vietnam Pro", sans-serif;
            font-size: 15px;
            line-height: 1.65;
            overflow-x: hidden;
        }

        body::before {
            position: fixed;
            inset: 0;
            z-index: -1;
            content: "";
            opacity: .2;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(140, 230, 63, .035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(140, 230, 63, .035) 1px, transparent 1px);
            background-size: 42px 42px;
            mask-image: linear-gradient(to bottom, black, transparent 82%);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

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

        button,
        a {
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(255, 204, 0, .7);
            outline-offset: 4px;
        }

        .container {
            width: min(1180px, calc(100% - 40px));
            margin-inline: auto;
        }

        .site-header {
            position: fixed;
            z-index: 1000;
            inset: 0 0 auto;
            height: var(--header-height);
            background: rgba(4, 23, 17, .9);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(18px);
            transition: box-shadow .25s ease, background .25s ease;
        }

        .site-header.scrolled {
            background: rgba(4, 23, 17, .97);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .24);
        }

        .nav-wrap {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            min-width: max-content;
        }

        .brand-mark {
            width: 39px;
            height: 39px;
            display: grid;
            place-items: center;
            border-radius: 13px;
            color: var(--jungle-950);
            background: linear-gradient(145deg, var(--sun), #f39d00);
            box-shadow: 0 0 0 4px rgba(255, 204, 0, .1), 0 6px 18px rgba(255, 204, 0, .18);
            font-size: 17px;
        }

        .brand-copy {
            display: flex;
            flex-direction: column;
            line-height: 1.12;
        }

        .brand-name {
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: -.2px;
        }

        .brand-sub {
            margin-top: 3px;
            color: var(--teal-400);
            font-size: 10px;
            font-weight: 700;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .navbar {
            flex: 1;
            justify-content: flex-end;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 7px;
        }

        .nav-link {
            position: relative;
            padding: 9px 14px !important;
            color: var(--muted) !important;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 600;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--cream) !important;
            background: rgba(50, 205, 50, .1);
        }

        .nav-link.active::after {
            position: absolute;
            content: "";
            left: 14px;
            right: 14px;
            bottom: 3px;
            height: 2px;
            border-radius: 4px;
            background: var(--sun);
        }

        .nav-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 16px;
            border: 1px solid rgba(255, 204, 0, .55);
            border-radius: 11px;
            color: var(--jungle-950);
            background: var(--sun);
            font-size: 12px;
            font-weight: 800;
        }

        .nav-action:hover {
            color: var(--jungle-950);
            background: #ffe25c;
            transform: translateY(-2px);
            box-shadow: 0 9px 22px rgba(255, 204, 0, .18);
        }

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

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(140, 230, 63, .18);
        }

        .page-hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 78px 0 66px;
            overflow: hidden;
            background:
                linear-gradient(110deg, rgba(4, 23, 17, .98) 0%, rgba(6, 35, 21, .94) 52%, rgba(8, 127, 115, .3) 100%),
                url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
        }

        .page-hero::before {
            position: absolute;
            width: 580px;
            height: 580px;
            top: -280px;
            right: -120px;
            content: "";
            border: 1px solid rgba(140, 230, 63, .18);
            border-radius: 50%;
            box-shadow: 0 0 0 32px rgba(140, 230, 63, .035), 0 0 0 76px rgba(140, 230, 63, .025);
        }

        .page-hero::after {
            position: absolute;
            width: 290px;
            height: 290px;
            bottom: -170px;
            left: -80px;
            content: "";
            border: 1px solid rgba(41, 198, 174, .18);
            border-radius: 50%;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }

        .eyebrow,
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
            color: var(--lime);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: .13em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .section-kicker::before {
            width: 26px;
            height: 2px;
            content: "";
            background: var(--sun);
            border-radius: 20px;
        }

        h1,
        h2,
        h3,
        p {
            margin-top: 0;
        }

        h1,
        h2,
        h3 {
            font-family: "Space Grotesk", sans-serif;
            line-height: 1.12;
        }

        h1 {
            max-width: 760px;
            margin-bottom: 22px;
            color: var(--cream);
            font-size: clamp(2.25rem, 5vw, 4.35rem);
            letter-spacing: -2.5px;
        }

        .hero-lead {
            max-width: 650px;
            margin-bottom: 29px;
            color: var(--mint);
            font-size: clamp(1rem, 1.5vw, 1.15rem);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-main,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 49px;
            padding: 12px 19px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 800;
            transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
        }

        .btn-main {
            border: 1px solid var(--sun);
            color: var(--jungle-950);
            background: var(--sun);
            box-shadow: 0 10px 24px rgba(255, 204, 0, .15);
        }

        .btn-main:hover {
            color: var(--jungle-950);
            background: #ffe05b;
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 204, 0, .24);
        }

        .btn-ghost {
            border: 1px solid rgba(197, 226, 210, .3);
            color: var(--cream);
            background: rgba(4, 23, 17, .35);
        }

        .btn-ghost:hover {
            color: var(--cream);
            border-color: var(--teal-400);
            background: rgba(8, 127, 115, .25);
            transform: translateY(-3px);
        }

        .hero-panel {
            position: relative;
            z-index: 2;
            width: min(100%, 390px);
            margin-left: auto;
            padding: 23px;
            border: 1px solid rgba(174, 235, 190, .2);
            border-radius: var(--radius-xl);
            background: rgba(4, 23, 17, .68);
            box-shadow: var(--shadow);
            backdrop-filter: blur(15px);
        }

        .panel-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-bottom: 17px;
            border-bottom: 1px solid var(--line);
        }

        .panel-label {
            color: var(--cream);
            font-size: 14px;
            font-weight: 800;
        }

        .live-state {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--lime);
            font-size: 11px;
            font-weight: 700;
        }

        .live-state::before {
            width: 8px;
            height: 8px;
            content: "";
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 0 5px rgba(140, 230, 63, .1), 0 0 14px var(--lime);
        }

        .icon-matrix {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 11px;
            padding: 19px 0;
        }

        .icon-tile {
            min-height: 92px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 11px;
            padding: 14px;
            border: 1px solid rgba(197, 226, 210, .14);
            border-radius: 15px;
            background: rgba(11, 60, 37, .62);
            transition: border-color .25s ease, transform .25s ease, background-color .25s ease;
        }

        .icon-tile:hover {
            border-color: rgba(140, 230, 63, .55);
            background: rgba(18, 86, 55, .78);
            transform: translateY(-3px);
        }

        .icon-tile i {
            color: var(--sun);
            font-size: 19px;
        }

        .icon-tile span {
            color: var(--mint);
            font-size: 12px;
            font-weight: 700;
        }

        .status-line {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 15px;
            color: var(--muted);
            font-size: 11px;
        }

        .status-line strong {
            color: var(--cream);
            font-weight: 700;
        }

        .status-track {
            flex: 1;
            height: 5px;
            overflow: hidden;
            border-radius: 20px;
            background: rgba(197, 226, 210, .12);
        }

        .status-track span {
            display: block;
            width: 86%;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--teal-400), var(--lime));
        }

        .section {
            padding: 92px 0;
        }

        .section.compact {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .section-heading {
            max-width: 650px;
            margin-bottom: 38px;
        }

        .section-heading h2 {
            margin-bottom: 14px;
            color: var(--cream);
            font-size: clamp(1.8rem, 3vw, 2.7rem);
            letter-spacing: -1px;
        }

        .section-heading p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .feature-intro {
            display: grid;
            grid-template-columns: minmax(280px, .86fr) minmax(0, 1.14fr);
            align-items: center;
            gap: clamp(35px, 7vw, 88px);
        }

        .image-frame {
            position: relative;
            overflow: hidden;
            min-height: 390px;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
        }

        .image-frame::after {
            position: absolute;
            inset: 0;
            content: "";
            background: linear-gradient(180deg, transparent 45%, rgba(4, 23, 17, .7));
            pointer-events: none;
        }

        .image-frame img {
            width: 100%;
            height: 100%;
            min-height: 390px;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .image-frame:hover img {
            transform: scale(1.045);
        }

        .image-caption {
            position: absolute;
            z-index: 1;
            right: 20px;
            bottom: 18px;
            left: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            color: var(--cream);
            font-size: 12px;
            font-weight: 700;
        }

        .image-caption i {
            color: var(--sun);
        }

        .feature-copy h2 {
            max-width: 570px;
            margin-bottom: 17px;
            color: var(--cream);
            font-size: clamp(1.8rem, 3vw, 2.65rem);
            letter-spacing: -1px;
        }

        .feature-copy > p {
            max-width: 590px;
            margin-bottom: 23px;
            color: var(--muted);
        }

        .check-list {
            display: grid;
            gap: 14px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--mint);
            font-size: 14px;
        }

        .check-list i {
            flex: 0 0 20px;
            width: 20px;
            height: 20px;
            display: grid;
            place-items: center;
            margin-top: 3px;
            color: var(--jungle-950);
            border-radius: 50%;
            background: var(--lime);
            font-size: 10px;
        }

        .feature-band {
            padding: 76px 0;
            background: rgba(6, 35, 21, .72);
            border-top: 1px solid rgba(174, 235, 190, .08);
            border-bottom: 1px solid rgba(174, 235, 190, .08);
        }

        .band-layout {
            display: grid;
            grid-template-columns: .76fr 1.24fr;
            align-items: end;
            gap: 54px;
        }

        .band-layout .section-heading {
            margin-bottom: 0;
        }

        .feature-list {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 0 32px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .feature-list li {
            display: grid;
            grid-template-columns: 38px 1fr;
            gap: 13px;
            padding: 20px 0;
            border-bottom: 1px solid var(--line);
        }

        .feature-list li:nth-child(-n+2) {
            border-top: 1px solid var(--line);
        }

        .feature-list .list-icon {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            color: var(--sun);
            border: 1px solid rgba(255, 204, 0, .33);
            border-radius: 12px;
            background: rgba(255, 204, 0, .08);
        }

        .feature-list strong {
            display: block;
            margin-bottom: 4px;
            color: var(--cream);
            font-size: 14px;
        }

        .feature-list span {
            display: block;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.55;
        }

        .scenario-section {
            position: relative;
        }

        .scenario-layout {
            display: grid;
            grid-template-columns: minmax(0, .82fr) minmax(340px, 1.18fr);
            gap: 70px;
            align-items: start;
        }

        .scenario-list {
            border-top: 1px solid var(--line);
        }

        .scenario-item {
            display: grid;
            grid-template-columns: 62px 1fr auto;
            align-items: center;
            gap: 20px;
            min-height: 105px;
            padding: 18px 0;
            border-bottom: 1px solid var(--line);
        }

        .scenario-number {
            color: var(--sun);
            font-family: "Space Grotesk", sans-serif;
            font-size: 27px;
            font-weight: 700;
        }

        .scenario-item h3 {
            margin-bottom: 5px;
            color: var(--cream);
            font-size: 16px;
        }

        .scenario-item p {
            max-width: 390px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 13px;
        }

        .scenario-item > i {
            color: var(--teal-400);
            font-size: 18px;
        }

        .result-panel {
            padding: 30px;
            border: 1px solid rgba(140, 230, 63, .22);
            border-radius: var(--radius-xl);
            background:
                linear-gradient(145deg, rgba(18, 86, 55, .82), rgba(6, 35, 21, .82));
            box-shadow: var(--soft-shadow);
        }

        .result-panel h3 {
            margin-bottom: 11px;
            color: var(--cream);
            font-size: 22px;
        }

        .result-panel > p {
            margin-bottom: 25px;
            color: var(--mint);
            font-size: 14px;
        }

        .result-points {
            display: grid;
            gap: 13px;
        }

        .result-point {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: 12px;
            background: rgba(4, 23, 17, .4);
            color: var(--cream);
            font-size: 13px;
            font-weight: 600;
        }

        .result-point i {
            color: var(--lime);
        }

        .cost-section {
            padding: 74px 0;
            background:
                linear-gradient(100deg, rgba(8, 127, 115, .18), transparent 60%),
                var(--jungle-900);
        }

        .cost-layout {
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 40px;
            padding: 30px 34px;
            border: 1px solid rgba(255, 204, 0, .28);
            border-radius: var(--radius-xl);
            background: rgba(4, 23, 17, .55);
        }

        .cost-layout h2 {
            margin-bottom: 9px;
            color: var(--cream);
            font-size: 25px;
        }

        .cost-layout p {
            max-width: 680px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
        }

        .cost-value {
            display: flex;
            align-items: baseline;
            gap: 7px;
            white-space: nowrap;
            color: var(--sun);
            font-family: "Space Grotesk", sans-serif;
            font-size: 38px;
            font-weight: 700;
        }

        .cost-value small {
            color: var(--mint);
            font-family: "Be Vietnam Pro", sans-serif;
            font-size: 12px;
            font-weight: 600;
        }

        .steps-section {
            padding-bottom: 82px;
        }

        .steps-layout {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 70px;
            align-items: start;
        }

        .steps-layout .section-heading {
            position: sticky;
            top: 110px;
            margin-bottom: 0;
        }

        .step-list {
            display: grid;
            gap: 0;
        }

        .step-item {
            position: relative;
            display: grid;
            grid-template-columns: 48px 1fr;
            gap: 17px;
            padding: 0 0 29px;
        }

        .step-item:not(:last-child)::after {
            position: absolute;
            top: 49px;
            bottom: 0;
            left: 23px;
            width: 1px;
            content: "";
            background: var(--line);
        }

        .step-number {
            position: relative;
            z-index: 1;
            width: 48px;
            height: 48px;
            display: grid;
            place-items: center;
            color: var(--jungle-950);
            border-radius: 15px;
            background: var(--sun);
            font-family: "Space Grotesk", sans-serif;
            font-weight: 700;
            box-shadow: 0 7px 18px rgba(255, 204, 0, .14);
        }

        .step-item h3 {
            margin: 4px 0 7px;
            color: var(--cream);
            font-size: 17px;
        }

        .step-item p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
        }

        .faq-section {
            padding: 80px 0 92px;
            background: rgba(6, 35, 21, .58);
            border-top: 1px solid rgba(174, 235, 190, .08);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .74fr 1.26fr;
            gap: 65px;
            align-items: start;
        }

        .faq-layout .section-heading {
            margin-bottom: 0;
        }

        .accordion {
            --bs-accordion-bg: transparent;
            --bs-accordion-color: var(--mint);
            --bs-accordion-border-color: var(--line);
            --bs-accordion-btn-color: var(--cream);
            --bs-accordion-active-color: var(--cream);
            --bs-accordion-active-bg: rgba(18, 86, 55, .48);
            --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(140, 230, 63, .13);
        }

        .accordion-item {
            overflow: hidden;
            margin-bottom: 10px;
            border: 1px solid var(--line) !important;
            border-radius: 14px !important;
            background: rgba(4, 23, 17, .3);
        }

        .accordion-button {
            padding: 18px 20px;
            color: var(--cream);
            background: transparent;
            font-size: 14px;
            font-weight: 700;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            color: var(--cream);
            background: rgba(18, 86, 55, .42);
        }

        .accordion-button::after {
            width: 15px;
            height: 15px;
            background-size: 15px;
            filter: brightness(0) invert(1) opacity(.7);
        }

        .accordion-body {
            padding: 0 20px 19px;
            color: var(--muted);
            font-size: 13px;
        }

        .cta-section {
            padding: 86px 0 94px;
            text-align: center;
            background:
                radial-gradient(circle at 50% 0%, rgba(50, 205, 50, .18), transparent 28rem),
                var(--jungle-950);
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            margin-bottom: 15px;
            color: var(--cream);
            font-size: clamp(2rem, 4vw, 3.2rem);
            letter-spacing: -1.4px;
        }

        .cta-inner p {
            margin-bottom: 27px;
            color: var(--mint);
        }

        .cta-note {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-top: 21px;
            color: var(--muted);
            font-size: 11px;
        }

        .cta-note span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .cta-note i {
            color: var(--lime);
        }

        .site-footer {
            padding: 63px 0 26px;
            background: #03120d;
            border-top: 1px solid var(--line);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr .75fr .75fr;
            gap: 55px;
            padding-bottom: 45px;
        }

        .footer-brand p {
            max-width: 390px;
            margin: 19px 0 19px;
            color: var(--muted);
            font-size: 13px;
        }

        .footer-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
        }

        .trust-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 10px;
            color: var(--mint);
            border: 1px solid var(--line);
            border-radius: 9px;
            font-size: 11px;
        }

        .trust-chip i {
            color: var(--lime);
        }

        .footer-heading {
            margin-bottom: 18px;
            color: var(--cream);
            font-family: "Space Grotesk", sans-serif;
            font-size: 14px;
            font-weight: 700;
        }

        .footer-links {
            display: grid;
            gap: 10px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 12px;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 20px;
            color: #6e9481;
            border-top: 1px solid rgba(174, 235, 190, .1);
            font-size: 11px;
        }

        .fab-support {
            position: fixed;
            z-index: 1050;
            left: 16px;
            bottom: 24px;
            width: 54px;
            height: 54px;
            display: grid;
            place-items: center;
            color: var(--jungle-950);
            border: 2px solid var(--sun);
            border-radius: 50%;
            background: linear-gradient(145deg, #ffe25c, #d99b00);
            box-shadow: 0 4px 20px rgba(255, 215, 0, .3);
            opacity: .78;
            animation: floatButton 3.6s ease-in-out infinite;
        }

        .fab-support::before {
            position: absolute;
            inset: 4px;
            content: "";
            border: 1px dashed rgba(4, 23, 17, .45);
            border-radius: 50%;
        }

        .fab-support i {
            position: relative;
            font-size: 20px;
            transition: transform .5s ease;
        }

        .fab-support:hover {
            color: var(--jungle-950);
            opacity: 1;
            transform: scale(1.1);
        }

        .fab-support:hover i {
            transform: rotate(360deg);
        }

        .fab-support:active {
            transform: scale(.95) translateY(2px);
        }

        .fab-dot {
            position: absolute;
            z-index: 2;
            top: 0;
            right: 0;
            width: 11px;
            height: 11px;
            border: 2px solid var(--jungle-950);
            border-radius: 50%;
            background: #e44949;
            animation: blinkDot 1.8s infinite;
        }

        @keyframes floatButton {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: .35; }
        }

        @media (max-width: 1100px) {
            .navbar-nav {
                gap: 2px;
            }

            .nav-link {
                padding-inline: 10px !important;
                font-size: 12px;
            }

            .nav-action {
                padding-inline: 12px;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --header-height: 70px;
            }

            .site-header {
                height: var(--header-height);
            }

            .nav-wrap {
                gap: 12px;
            }

            .navbar {
                flex: 0 0 auto;
            }

            .navbar-collapse {
                position: absolute;
                top: calc(100% + 1px);
                right: 20px;
                left: 20px;
                padding: 10px;
                border: 1px solid var(--line);
                border-radius: 16px;
                background: rgba(4, 23, 17, .98);
                box-shadow: var(--shadow);
            }

            .navbar-nav {
                align-items: stretch;
                gap: 4px;
            }

            .nav-link,
            .nav-action {
                display: flex;
                width: 100%;
                justify-content: flex-start;
            }

            .nav-action {
                margin-top: 5px;
                justify-content: center;
            }

            .page-hero {
                min-height: auto;
            }

            .hero-panel {
                margin: 40px 0 0;
            }

            .feature-intro,
            .band-layout,
            .scenario-layout,
            .steps-layout,
            .faq-layout {
                gap: 38px;
            }

            .steps-layout .section-heading {
                position: static;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                width: min(100% - 30px, 600px);
            }

            .page-hero {
                padding: 64px 0 55px;
            }

            h1 {
                font-size: clamp(2.05rem, 10vw, 3.1rem);
                letter-spacing: -1.6px;
            }

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

            .hero-actions a {
                width: 100%;
            }

            .section,
            .feature-band,
            .faq-section {
                padding-top: 66px;
                padding-bottom: 66px;
            }

            .feature-intro,
            .band-layout,
            .scenario-layout,
            .steps-layout,
            .faq-layout,
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .image-frame,
            .image-frame img {
                min-height: 300px;
            }

            .feature-list {
                grid-template-columns: 1fr;
            }

            .feature-list li:nth-child(2) {
                border-top: 0;
            }

            .cost-layout {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 25px;
            }

            .cost-value {
                font-size: 32px;
            }

            .footer-grid {
                gap: 30px;
                padding-bottom: 35px;
            }
        }

        @media (max-width: 520px) {
            .brand-name {
                max-width: 175px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
                font-size: 14px;
            }

            .brand-sub {
                font-size: 9px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
            }

            .navbar-collapse {
                right: 15px;
                left: 15px;
            }

            .hero-panel {
                padding: 17px;
                border-radius: 20px;
            }

            .icon-matrix {
                gap: 8px;
            }

            .icon-tile {
                min-height: 82px;
                padding: 11px;
            }

            .scenario-item {
                grid-template-columns: 42px 1fr 16px;
                gap: 12px;
            }

            .scenario-number {
                font-size: 22px;
            }

            .scenario-item h3 {
                font-size: 14px;
            }

            .scenario-item p {
                font-size: 12px;
            }

            .result-panel {
                padding: 22px;
            }

            .footer-bottom {
                align-items: flex-start;
                flex-direction: column;
                gap: 7px;
            }

            .fab-support {
                left: 14px;
                bottom: 18px;
            }
        }