/* roulang page: index */
:root {
            --ink: #0f1012;
            --obsidian: #151619;
            --panel: #1d1f23;
            --panel-light: #25282d;
            --gold: #c5a059;
            --gold-bright: #ffbf48;
            --champagne: #ead49b;
            --cream: #f7f3e9;
            --muted: #a9a9a5;
            --line: rgba(234, 212, 155, .18);
            --line-strong: rgba(234, 212, 155, .38);
            --success: #8fbd86;
            --danger: #e47861;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow: 0 24px 70px rgba(0, 0, 0, .32);
            --container: 1180px;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--cream);
            background:
                radial-gradient(circle at 12% 8%, rgba(197,160,89,.10), transparent 28rem),
                radial-gradient(circle at 92% 22%, rgba(197,160,89,.06), transparent 24rem),
                var(--ink);
            font-family: "DM Sans", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .18;
            background-image:
                linear-gradient(115deg, transparent 0 47%, rgba(255,255,255,.035) 48%, transparent 49%),
                linear-gradient(35deg, transparent 0 47%, rgba(255,255,255,.025) 48%, transparent 49%);
            background-size: 170px 170px;
            z-index: -1;
        }
        a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease; }
        img { max-width: 100%; display: block; }
        button, input { font: inherit; }
        button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid rgba(255,191,72,.65); outline-offset: 3px; }
        .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--gold-bright);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .14em;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--gold);
        }
        h1, h2, h3, p { margin-top: 0; }
        h1, h2, h3 { font-family: "Playfair Display", Georgia, serif; line-height: 1.15; }
        h1 { font-size: clamp(2.35rem, 5vw, 5.4rem); letter-spacing: -.045em; }
        h2 { font-size: clamp(2rem, 3.4vw, 3.35rem); letter-spacing: -.035em; }
        h3 { font-size: 1.32rem; }
        .section { padding: 108px 0; }
        .section-head { max-width: 700px; margin-bottom: 42px; }
        .section-head p { color: var(--muted); max-width: 650px; margin-bottom: 0; }
        .gold-text { color: var(--gold-bright); }
        .muted { color: var(--muted); }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15,16,18,.88);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(234,212,155,.12);
        }
        .nav-wrap {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 250px;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            border: 1px solid var(--gold);
            border-radius: 50%;
            display: grid;
            place-items: center;
            color: var(--gold-bright);
            font-family: Georgia, serif;
            font-weight: 700;
            box-shadow: inset 0 0 0 4px rgba(197,160,89,.08);
        }
        .brand-name { font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
        .brand-name small {
            display: block;
            color: var(--gold);
            font-size: 10px;
            font-weight: 600;
            letter-spacing: .14em;
            margin-top: 4px;
            text-transform: uppercase;
        }
        .main-nav { display: flex; align-items: center; gap: 6px; }
        .main-nav a, .nav-login {
            color: #c8c5bd;
            padding: 10px 13px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
        }
        .main-nav a:hover, .main-nav a.active, .nav-login:hover { color: var(--gold-bright); background: rgba(197,160,89,.08); }
        .nav-actions { display: flex; align-items: center; gap: 8px; }
        .nav-signup, .button-gold {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            gap: 9px;
            border: 1px solid var(--gold-bright);
            background: linear-gradient(135deg, var(--gold-bright), var(--gold));
            color: #17130c;
            border-radius: 8px;
            padding: 12px 19px;
            font-weight: 800;
            font-size: 14px;
            box-shadow: 0 8px 24px rgba(197,160,89,.18);
        }
        .nav-signup:hover, .button-gold:hover { color: #111; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(197,160,89,.3); }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            background: transparent;
            color: var(--cream);
            border: 1px solid var(--line-strong);
            border-radius: 9px;
            cursor: pointer;
        }

        .hero {
            position: relative;
            padding: 156px 0 76px;
            min-height: 760px;
            background:
                linear-gradient(90deg, rgba(15,16,18,.98) 5%, rgba(15,16,18,.86) 42%, rgba(15,16,18,.44) 100%),
                linear-gradient(0deg, rgba(15,16,18,.75), transparent 55%),
                url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
        }
        .hero::after {
            content: "";
            position: absolute;
            right: 8%;
            top: 22%;
            width: 220px;
            height: 220px;
            border: 1px solid rgba(234,212,155,.23);
            border-radius: 50%;
            box-shadow: 0 0 0 24px rgba(234,212,155,.025), 0 0 0 48px rgba(234,212,155,.025);
            pointer-events: none;
        }
        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
            gap: 28px;
            align-items: end;
        }
        .hero-main {
            min-height: 500px;
            padding: clamp(28px, 5vw, 70px);
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg, rgba(28,29,32,.84), rgba(17,17,18,.55));
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }
        .hero-main h1 { max-width: 780px; margin: 21px 0 22px; }
        .hero-main p { max-width: 680px; color: #d3d0c8; font-size: 18px; margin-bottom: 30px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
        .button-outline, .button-quiet {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--line-strong);
            color: var(--cream);
            border-radius: 8px;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 700;
            background: rgba(255,255,255,.025);
        }
        .button-outline:hover, .button-quiet:hover { border-color: var(--gold); color: var(--gold-bright); transform: translateY(-2px); }
        .hero-side { display: grid; gap: 14px; }
        .hero-mini {
            padding: 25px;
            min-height: 150px;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            background: rgba(29,31,35,.87);
            box-shadow: 0 16px 45px rgba(0,0,0,.18);
        }
        .hero-mini strong { display: block; font-family: "Playfair Display", serif; font-size: 2rem; color: var(--champagne); margin: 7px 0 3px; }
        .hero-mini span { color: var(--muted); font-size: 13px; }
        .hero-mini.accent { background: linear-gradient(135deg, rgba(117,81,27,.75), rgba(29,31,35,.9)); }
        .hero-note {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 16px 20px;
            border-top: 1px solid var(--line);
            color: var(--muted);
            font-size: 13px;
        }
        .hero-note b { color: var(--cream); }

        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .metric { padding: 25px 22px; border-right: 1px solid var(--line); }
        .metric:last-child { border-right: 0; }
        .metric b { display: block; color: var(--gold-bright); font-family: "Playfair Display", serif; font-size: 2rem; }
        .metric span { color: var(--muted); font-size: 13px; }

        .voucher-section { background: #17181b; }
        .voucher-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 16px; }
        .voucher {
            position: relative;
            min-height: 245px;
            padding: 27px;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: var(--panel);
        }
        .voucher::before {
            content: "";
            position: absolute;
            right: -50px;
            bottom: -70px;
            width: 190px;
            height: 190px;
            border: 1px solid rgba(234,212,155,.15);
            transform: rotate(45deg);
        }
        .voucher.featured { background: linear-gradient(135deg, #332719, #1e1f21 72%); border-color: rgba(255,191,72,.48); }
        .voucher-label { color: var(--gold-bright); font-size: 11px; letter-spacing: .15em; font-weight: 800; }
        .voucher h3 { margin: 18px 0 10px; }
        .voucher p { color: var(--muted); font-size: 14px; max-width: 390px; margin-bottom: 20px; }
        .voucher .mini-link { color: var(--champagne); font-size: 13px; font-weight: 700; }
        .voucher .mini-link:hover { color: var(--gold-bright); }

        .split-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
        .visual-frame {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line-strong);
            min-height: 470px;
            background: var(--panel);
        }
        .visual-frame img { width: 100%; height: 100%; min-height: 470px; object-fit: cover; opacity: .82; }
        .visual-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(15,16,18,.82), transparent 65%); }
        .visual-caption { position: absolute; z-index: 1; left: 25px; right: 25px; bottom: 23px; }
        .visual-caption strong { display: block; font-family: "Playfair Display", serif; color: var(--champagne); font-size: 1.55rem; }
        .rule-list { margin: 30px 0 0; padding: 0; list-style: none; }
        .rule-list li { display: grid; grid-template-columns: 38px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
        .rule-list li:first-child { border-top: 1px solid var(--line); }
        .rule-number {
            width: 32px;
            height: 32px;
            display: grid;
            place-items: center;
            color: var(--gold-bright);
            border: 1px solid var(--gold);
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
        }
        .rule-list h3 { margin: 0 0 5px; font-family: "DM Sans", sans-serif; font-size: 16px; }
        .rule-list p { color: var(--muted); font-size: 14px; margin: 0; }

        .matrix { background: linear-gradient(180deg, #1b1c1f, #151619); }
        .matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
        .matrix-item {
            padding: 26px;
            border-left: 2px solid var(--gold);
            background: rgba(255,255,255,.025);
            transition: transform .25s ease, background .25s ease;
        }
        .matrix-item:hover { transform: translateY(-5px); background: rgba(197,160,89,.08); }
        .matrix-item span { color: var(--gold-bright); font-size: 24px; }
        .matrix-item h3 { margin: 14px 0 7px; font-family: "DM Sans", sans-serif; font-size: 17px; }
        .matrix-item p { margin: 0; color: var(--muted); font-size: 14px; }

        .stage { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: stretch; }
        .stage-copy { padding: 35px 0; }
        .stage-copy p { color: var(--muted); max-width: 550px; }
        .check-list { list-style: none; padding: 0; margin: 25px 0 30px; }
        .check-list li { position: relative; padding: 9px 0 9px 29px; color: #d7d4cb; }
        .check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-bright); font-weight: 800; }
        .download-panel {
            padding: 32px;
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg, rgba(57,42,24,.74), rgba(29,31,35,.9));
            box-shadow: var(--shadow);
        }
        .download-panel h3 { font-size: 2rem; margin-bottom: 12px; }
        .download-panel p { color: var(--muted); font-size: 14px; }
        .download-buttons { display: grid; gap: 10px; margin: 25px 0; }
        .download-buttons a { display: flex; justify-content: space-between; align-items: center; padding: 15px 17px; border: 1px solid var(--line); border-radius: 10px; background: rgba(0,0,0,.18); }
        .download-buttons a:hover { border-color: var(--gold); background: rgba(197,160,89,.1); transform: translateX(4px); }
        .download-buttons small { display: block; color: var(--muted); font-size: 11px; }
        .download-buttons strong { color: var(--cream); font-size: 14px; }
        .pay-badges { display: flex; flex-wrap: wrap; gap: 8px; }
        .pay-badges span { padding: 7px 10px; border: 1px solid var(--line); color: var(--champagne); border-radius: 7px; font-size: 11px; font-weight: 700; }

        .topics { background: #17181b; }
        .topic-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
        .topic-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--panel); }
        .topic-card img { width: 100%; height: 175px; object-fit: cover; filter: saturate(.75); transition: transform .45s ease, filter .45s ease; }
        .topic-card:hover img { transform: scale(1.05); filter: saturate(1); }
        .topic-body { padding: 22px; }
        .topic-body h3 { font-size: 1.28rem; margin-bottom: 9px; }
        .topic-body p { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
        .topic-body a { color: var(--gold-bright); font-size: 13px; font-weight: 800; }

        .news-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; }
        .news-list { border-top: 1px solid var(--line); }
        .news-item { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
        .news-item a { font-family: "Playfair Display", serif; font-size: 1.18rem; }
        .news-item a:hover { color: var(--gold-bright); }
        .news-meta { color: var(--muted); font-size: 12px; white-space: nowrap; }
        .news-empty { padding: 28px 0; color: var(--muted); }
        .news-feature { padding: 30px; background: linear-gradient(145deg, #2c261c, #1b1c1f); border: 1px solid var(--line-strong); border-radius: var(--radius-md); }
        .news-feature h3 { font-size: 1.8rem; margin: 18px 0 12px; }
        .news-feature p { color: var(--muted); font-size: 14px; }
        .news-feature .button-outline { margin-top: 10px; }

        .faq-section { background: #17181b; }
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 46px; }
        .faq-item { border-bottom: 1px solid var(--line); }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 0;
            color: var(--cream);
            background: transparent;
            border: 0;
            text-align: left;
            font-weight: 700;
            cursor: pointer;
        }
        .faq-question span:last-child { color: var(--gold-bright); font-size: 22px; line-height: 1; transition: transform .25s ease; }
        .faq-answer { display: none; padding: 0 35px 20px 0; color: var(--muted); font-size: 14px; }
        .faq-item.open .faq-answer { display: block; }
        .faq-item.open .faq-question span:last-child { transform: rotate(45deg); }

        .final-cta {
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 94px 25px;
            background:
                linear-gradient(90deg, rgba(20,18,15,.88), rgba(54,39,20,.78)),
                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: 760px; margin: 0 auto 16px; }
        .final-cta p { max-width: 650px; margin: 0 auto 28px; color: #d0cbc0; }

        footer { background: #0d0e10; padding: 62px 0 25px; }
        .footer-grid { display: grid; grid-template-columns: 1.25fr .8fr .8fr .9fr; gap: 35px; padding-bottom: 42px; }
        footer h3 { font-family: "DM Sans", sans-serif; font-size: 14px; color: var(--champagne); margin-bottom: 17px; }
        footer p, footer a, .footer-note { color: var(--muted); font-size: 13px; }
        footer a { display: block; margin: 9px 0; }
        footer a:hover { color: var(--gold-bright); }
        .footer-brand p { max-width: 330px; margin-top: 17px; }
        .trust-line { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
        .trust-line span { color: var(--champagne); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; font-size: 10px; }
        .footer-bottom { border-top: 1px solid var(--line); padding-top: 21px; display: flex; justify-content: space-between; gap: 20px; }
        .footer-bottom p { margin: 0; }
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            min-width: 58px;
            min-height: 48px;
            padding: 10px 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            background: rgba(8,9,12,.88);
            border: 1px solid var(--gold);
            border-radius: 999px;
            box-shadow: 0 0 18px rgba(197,160,89,.34);
            opacity: .78;
            animation: floaty 3.6s ease-in-out infinite;
            font-size: 12px;
            font-weight: 700;
        }
        .fab:hover { opacity: 1; transform: scale(1.08); }
        .fab-icon { color: var(--gold-bright); font-size: 20px; transition: transform .5s ease; }
        .fab:hover .fab-icon { transform: rotate(360deg); }
        .fab::after { content: ""; position: absolute; top: 4px; right: 5px; width: 7px; height: 7px; border-radius: 50%; background: var(--danger); box-shadow: 0 0 8px var(--danger); animation: blink 1.4s infinite; }
        @keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
        @keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

        @media (max-width: 1024px) {
            .main-nav { gap: 0; }
            .main-nav a, .nav-login { padding-left: 8px; padding-right: 8px; font-size: 13px; }
            .brand { min-width: 210px; }
            .hero-grid { grid-template-columns: 1fr .65fr; }
            .split-section { gap: 38px; }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--container), calc(100% - 30px)); }
            .nav-wrap { min-height: 68px; }
            .brand { min-width: 0; max-width: 220px; }
            .brand-name { font-size: 13px; }
            .brand-name small { font-size: 9px; }
            .menu-toggle { display: block; }
            .main-nav {
                position: absolute;
                top: 68px;
                left: 15px;
                right: 15px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
                background: rgba(21,22,25,.98);
                border: 1px solid var(--line-strong);
                border-radius: 12px;
                box-shadow: var(--shadow);
            }
            .main-nav.open { display: flex; }
            .main-nav a { padding: 12px; }
            .nav-actions { margin-left: auto; }
            .nav-login { display: inline-flex; padding: 9px 8px; font-size: 12px; }
            .nav-signup { padding: 10px 12px; font-size: 12px; }
            .hero { padding-top: 115px; min-height: auto; }
            .hero-grid, .split-section, .stage, .news-layout { grid-template-columns: 1fr; }
            .hero-main { min-height: 490px; }
            .hero-side { grid-template-columns: 1fr 1fr; }
            .hero-note { align-items: flex-start; flex-direction: column; }
            .metric-strip { grid-template-columns: repeat(2, 1fr); }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .voucher-grid { grid-template-columns: 1fr 1fr; }
            .voucher:first-child { grid-column: 1 / -1; }
            .matrix-grid, .topic-grid { grid-template-columns: 1fr 1fr; }
            .faq-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            h1 { font-size: 2.55rem; }
            h2 { font-size: 2rem; }
            .section { padding: 75px 0; }
            .hero-main { padding: 28px 22px; min-height: 530px; }
            .hero-main p { font-size: 16px; }
            .hero-side, .voucher-grid, .matrix-grid, .topic-grid, .footer-grid { grid-template-columns: 1fr; }
            .voucher:first-child { grid-column: auto; }
            .hero-actions a { width: 100%; }
            .metric { padding: 19px 15px; }
            .metric b { font-size: 1.6rem; }
            .visual-frame, .visual-frame img { min-height: 350px; }
            .news-item { grid-template-columns: 1fr; gap: 5px; }
            .news-meta { white-space: normal; }
            .download-panel { padding: 24px 20px; }
            .footer-bottom { flex-direction: column; }
            .fab { left: 12px; bottom: 82px; }
        }

/* roulang page: article */
:root {
            --bg: #101011;
            --bg-deep: #0b0b0c;
            --surface: #19191b;
            --surface-soft: #202023;
            --surface-light: #27272a;
            --gold: #c5a059;
            --gold-light: #f3d58a;
            --amber: #ffbf00;
            --cream: #f5f5f7;
            --muted: #aaa7a0;
            --muted-light: #d4d0c8;
            --line: rgba(197, 160, 89, .22);
            --line-soft: rgba(255, 255, 255, .09);
            --success: #8fd18a;
            --danger: #e27468;
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --shadow: 0 18px 50px rgba(0, 0, 0, .32);
            --shadow-gold: 0 12px 34px rgba(197, 160, 89, .16);
            --container: 1180px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background:
                radial-gradient(circle at 82% 4%, rgba(197, 160, 89, .11), transparent 28rem),
                linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
            color: var(--cream);
            font-family: "DM Sans", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .16;
            background-image:
                linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
            background-size: 44px 44px;
            mask-image: linear-gradient(to bottom, black, transparent 72%);
            z-index: -1;
        }

        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,
        input {
            font: inherit;
        }

        button,
        .button {
            cursor: pointer;
        }

        :focus-visible {
            outline: 3px solid rgba(243, 213, 138, .72);
            outline-offset: 4px;
        }

        .container {
            width: min(var(--container), calc(100% - 40px));
            margin: 0 auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 11, 12, .9);
            border-bottom: 1px solid rgba(197, 160, 89, .18);
            backdrop-filter: blur(18px);
        }

        .header-inner {
            min-height: 82px;
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 255px;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: inline-grid;
            place-items: center;
            border: 1px solid var(--gold);
            color: var(--gold-light);
            background: linear-gradient(145deg, #2c2921, #111112);
            border-radius: 50%;
            font-family: "Playfair Display", Georgia, serif;
            font-weight: 800;
            letter-spacing: .04em;
            box-shadow: inset 0 0 0 3px rgba(197, 160, 89, .09), 0 0 20px rgba(197, 160, 89, .12);
        }

        .brand-name {
            color: var(--cream);
            font-size: 1.05rem;
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -.02em;
        }

        .brand-name small {
            display: block;
            margin-top: 4px;
            color: var(--gold);
            font-size: .68rem;
            font-weight: 500;
            letter-spacing: .08em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 5px;
            flex: 1;
        }

        .main-nav a {
            position: relative;
            padding: 9px 13px;
            color: var(--muted);
            font-size: .86rem;
            font-weight: 600;
            border-radius: 999px;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 3px;
            height: 1px;
            background: var(--gold-light);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .25s ease;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--gold-light);
            background: rgba(197, 160, 89, .09);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }

        .login-link {
            color: var(--muted-light);
            font-size: .86rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .login-link:hover {
            color: var(--gold-light);
        }

        .signup-button,
        .gold-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 20px;
            border: 1px solid var(--gold);
            border-radius: 999px;
            background: linear-gradient(135deg, #d7b16a, #a77c36);
            color: #17130d;
            font-size: .82rem;
            font-weight: 800;
            letter-spacing: .02em;
            box-shadow: 0 8px 22px rgba(197, 160, 89, .17);
        }

        .signup-button:hover,
        .gold-button:hover {
            color: #0d0c0b;
            transform: translateY(-2px);
            box-shadow: 0 13px 30px rgba(197, 160, 89, .3);
        }

        .signup-button:active,
        .gold-button:active {
            transform: translateY(1px) scale(.98);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--line);
            border-radius: 50%;
            background: var(--surface);
            color: var(--gold-light);
        }

        .nav-toggle span,
        .nav-toggle span::before,
        .nav-toggle span::after {
            display: block;
            width: 18px;
            height: 2px;
            margin: 0 auto;
            background: currentColor;
            border-radius: 2px;
            transition: transform .25s ease;
        }

        .nav-toggle span {
            position: relative;
        }

        .nav-toggle span::before,
        .nav-toggle span::after {
            content: "";
            position: absolute;
            left: 0;
        }

        .nav-toggle span::before {
            top: -6px;
        }

        .nav-toggle span::after {
            top: 6px;
        }

        .article-hero {
            position: relative;
            min-height: 390px;
            display: flex;
            align-items: flex-end;
            padding: 88px 0 56px;
            overflow: hidden;
            background:
                linear-gradient(90deg, rgba(11, 11, 12, .94) 0%, rgba(11, 11, 12, .77) 48%, rgba(11, 11, 12, .42) 100%),
                url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
            border-bottom: 1px solid rgba(197, 160, 89, .18);
        }

        .article-hero::after {
            content: "";
            position: absolute;
            inset: auto 0 0;
            height: 160px;
            background: linear-gradient(transparent, var(--bg-deep));
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 860px;
        }

        .eyebrow,
        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
            color: var(--gold-light);
            font-size: .72rem;
            font-weight: 800;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .article-category::before {
            content: "";
            width: 28px;
            height: 1px;
            background: var(--gold);
        }

        .article-hero h1 {
            max-width: 900px;
            margin: 0;
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
            font-size: clamp(2.3rem, 5vw, 4.55rem);
            line-height: 1.08;
            letter-spacing: -.045em;
        }

        .hero-summary {
            max-width: 760px;
            margin: 22px 0 0;
            color: var(--muted-light);
            font-size: 1.06rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 22px;
            margin-top: 25px;
            color: var(--muted);
            font-size: .82rem;
        }

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

        .meta-dot {
            width: 6px;
            height: 6px;
            display: inline-block;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 0 4px rgba(197, 160, 89, .12);
        }

        .article-shell {
            position: relative;
            z-index: 2;
            padding: 66px 0 92px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 310px;
            gap: 56px;
            align-items: start;
        }

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

        .summary-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1px;
            margin-bottom: 42px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--line);
            box-shadow: var(--shadow-gold);
        }

        .summary-item {
            min-height: 108px;
            padding: 20px 22px;
            background: rgba(25, 25, 27, .93);
        }

        .summary-item strong {
            display: block;
            margin-bottom: 5px;
            color: var(--gold-light);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 1.45rem;
            line-height: 1.1;
        }

        .summary-item span {
            color: var(--muted);
            font-size: .82rem;
        }

        .article-cover {
            position: relative;
            margin: 0 0 42px;
            overflow: hidden;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background: var(--surface);
            box-shadow: var(--shadow);
        }

        .article-cover img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            opacity: .86;
        }

        .article-cover figcaption {
            padding: 12px 18px;
            color: var(--muted);
            background: rgba(18, 18, 18, .94);
            font-size: .77rem;
        }

        .article-content {
            color: #d8d5cf;
            font-size: 1.04rem;
            line-height: 1.78;
        }

        .article-content > * {
            max-width: 820px;
        }

        .article-content h2,
        .article-content h3 {
            margin: 42px 0 14px;
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
            line-height: 1.25;
            letter-spacing: -.02em;
        }

        .article-content h2 {
            font-size: clamp(1.65rem, 3vw, 2.25rem);
        }

        .article-content h3 {
            font-size: 1.4rem;
        }

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

        .article-content a {
            color: var(--gold-light);
            text-decoration: underline;
            text-decoration-color: rgba(243, 213, 138, .42);
            text-underline-offset: 4px;
        }

        .article-content a:hover {
            color: #fff2c4;
            text-decoration-color: var(--gold-light);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px 22px;
            padding-left: 18px;
        }

        .article-content li {
            margin-bottom: 9px;
            padding-left: 4px;
        }

        .article-content blockquote {
            margin: 32px 0;
            padding: 22px 26px;
            border-left: 3px solid var(--gold);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            background: linear-gradient(90deg, rgba(197, 160, 89, .13), rgba(197, 160, 89, .035));
            color: var(--muted-light);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 1.16rem;
        }

        .article-content img {
            margin: 30px 0;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
        }

        .article-content table {
            width: 100%;
            margin: 28px 0;
            border-collapse: collapse;
            background: var(--surface);
            border: 1px solid var(--line-soft);
        }

        .article-content th,
        .article-content td {
            padding: 13px 15px;
            border-bottom: 1px solid var(--line-soft);
            text-align: left;
        }

        .article-content th {
            color: var(--gold-light);
            font-weight: 700;
        }

        .article-content td {
            color: var(--muted-light);
        }

        .article-side {
            position: sticky;
            top: 112px;
        }

        .side-panel {
            margin-bottom: 20px;
            padding: 25px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: linear-gradient(145deg, rgba(39, 39, 42, .88), rgba(22, 22, 23, .92));
            box-shadow: var(--shadow-gold);
        }

        .side-panel h2 {
            margin: 0 0 15px;
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 1.35rem;
            line-height: 1.25;
        }

        .side-panel p {
            margin: 0 0 18px;
            color: var(--muted);
            font-size: .9rem;
        }

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

        .side-list li {
            display: flex;
            gap: 11px;
            padding: 12px 0;
            border-bottom: 1px solid var(--line-soft);
            color: var(--muted-light);
            font-size: .88rem;
        }

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

        .side-list b {
            color: var(--gold-light);
        }

        .side-button {
            width: 100%;
            min-height: 46px;
            margin-top: 4px;
        }

        .responsible-note {
            display: flex;
            gap: 11px;
            align-items: flex-start;
            padding: 16px;
            border-radius: var(--radius-sm);
            background: rgba(143, 209, 138, .08);
            color: #b9d9b4;
            font-size: .79rem;
            line-height: 1.55;
        }

        .responsible-note strong {
            display: block;
            margin-bottom: 2px;
            color: var(--success);
        }

        .article-cta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 25px;
            margin-top: 52px;
            padding: 30px 34px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background:
                linear-gradient(110deg, rgba(197, 160, 89, .15), transparent 58%),
                var(--surface);
        }

        .article-cta h2 {
            margin: 0 0 7px;
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 1.7rem;
            line-height: 1.25;
        }

        .article-cta p {
            max-width: 570px;
            margin: 0;
            color: var(--muted);
            font-size: .9rem;
        }

        .article-cta .gold-button {
            flex: 0 0 auto;
        }

        .faq-section {
            padding: 80px 0;
            border-top: 1px solid rgba(197, 160, 89, .14);
            background: rgba(255, 255, 255, .018);
        }

        .section-heading {
            max-width: 680px;
            margin-bottom: 34px;
        }

        .section-heading .eyebrow {
            margin-bottom: 13px;
        }

        .section-heading h2 {
            margin: 0 0 12px;
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
            font-size: clamp(2rem, 4vw, 3rem);
            line-height: 1.15;
            letter-spacing: -.04em;
        }

        .section-heading p {
            margin: 0;
            color: var(--muted);
        }

        .faq-list {
            max-width: 900px;
            margin: 0;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 0;
            border: 0;
            background: transparent;
            color: var(--cream);
            text-align: left;
            font-size: 1rem;
            font-weight: 700;
        }

        .faq-question::after {
            content: "+";
            flex: 0 0 auto;
            color: var(--gold-light);
            font-size: 1.5rem;
            font-weight: 400;
            transition: transform .25s ease;
        }

        .faq-item.is-open .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            max-width: 800px;
            padding: 0 50px 22px 0;
            color: var(--muted);
            font-size: .93rem;
        }

        .faq-item.is-open .faq-answer {
            display: block;
        }

        .final-cta {
            padding: 84px 0;
            text-align: center;
            background:
                radial-gradient(circle at 50% 0%, rgba(197, 160, 89, .18), transparent 28rem),
                var(--bg-deep);
        }

        .final-cta h2 {
            max-width: 760px;
            margin: 0 auto 15px;
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
            font-size: clamp(2rem, 4vw, 3.2rem);
            line-height: 1.15;
            letter-spacing: -.04em;
        }

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

        footer {
            padding: 64px 0 22px;
            border-top: 1px solid var(--line);
            background: #0a0a0b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.55fr .9fr 1fr 1fr;
            gap: 38px;
        }

        .footer-brand .brand {
            min-width: 0;
            margin-bottom: 18px;
        }

        .footer-brand p,
        footer .footer-grid > div > p {
            margin: 0;
            color: var(--muted);
            font-size: .86rem;
        }

        footer h3 {
            margin: 4px 0 15px;
            color: var(--gold-light);
            font-size: .86rem;
            letter-spacing: .04em;
        }

        footer .footer-grid > div:not(.footer-brand) > a {
            display: block;
            width: fit-content;
            margin: 0 0 9px;
            color: var(--muted);
            font-size: .84rem;
        }

        footer .footer-grid > div:not(.footer-brand) > a:hover {
            color: var(--gold-light);
            transform: translateX(3px);
        }

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

        .trust-line span {
            padding: 6px 10px;
            border: 1px solid var(--line);
            border-radius: 6px;
            color: var(--gold-light);
            background: rgba(197, 160, 89, .06);
            font-size: .68rem;
            font-weight: 800;
            letter-spacing: .04em;
        }

        .footer-note {
            margin-top: 13px !important;
            font-size: .76rem !important;
            line-height: 1.55;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 22px;
            margin-top: 52px;
            padding-top: 20px;
            border-top: 1px solid var(--line-soft);
        }

        .footer-bottom p {
            margin: 0;
            color: #777570;
            font-size: .75rem;
        }

        .support-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            border: 2px solid var(--gold);
            border-radius: 50%;
            background: linear-gradient(145deg, #2a261f, #111112);
            color: var(--gold-light);
            box-shadow: 0 4px 20px rgba(255, 215, 0, .3), inset 0 0 0 4px rgba(197, 160, 89, .09);
            opacity: .78;
            font-size: 1.35rem;
            animation: gentleFloat 3.2s ease-in-out infinite;
        }

        .support-fab::before {
            content: "";
            position: absolute;
            inset: 5px;
            border: 1px dashed rgba(243, 213, 138, .58);
            border-radius: 50%;
        }

        .support-fab::after {
            content: "";
            position: absolute;
            top: 0;
            right: 1px;
            width: 9px;
            height: 9px;
            border: 2px solid #160d0c;
            border-radius: 50%;
            background: #d8463f;
            box-shadow: 0 0 10px rgba(216, 70, 63, .9);
            animation: blinkRuby 1.8s ease-in-out infinite;
        }

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

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

        .support-fab span {
            position: relative;
            z-index: 1;
            transition: transform .5s ease;
        }

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

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

        .not-found {
            min-height: 300px;
            display: grid;
            place-items: center;
            padding: 50px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: var(--surface);
            text-align: center;
        }

        .not-found h1 {
            margin: 0 0 12px;
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 2rem;
        }

        .not-found p {
            margin: 0 0 20px;
            color: var(--muted);
        }

        @media (max-width: 1100px) {
            .header-inner {
                gap: 16px;
            }

            .brand {
                min-width: 235px;
            }

            .main-nav a {
                padding-left: 9px;
                padding-right: 9px;
                font-size: .78rem;
            }

            .article-layout {
                grid-template-columns: minmax(0, 1fr) 270px;
                gap: 34px;
            }
        }

        @media (max-width: 900px) {
            .header-inner {
                min-height: 72px;
            }

            .nav-toggle {
                display: inline-block;
                flex: 0 0 auto;
            }

            .main-nav {
                position: absolute;
                top: calc(100% + 1px);
                left: 20px;
                right: 20px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
                border: 1px solid var(--line);
                border-radius: var(--radius-md);
                background: rgba(18, 18, 18, .98);
                box-shadow: var(--shadow);
            }

            .main-nav.is-open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 14px;
                font-size: .88rem;
            }

            .main-nav a::after {
                display: none;
            }

            .header-actions {
                margin-left: auto;
            }

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

            .article-side {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 18px;
            }

            .side-panel {
                margin-bottom: 0;
            }

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

        @media (max-width: 680px) {
            .container {
                width: min(var(--container), calc(100% - 28px));
            }

            .brand {
                min-width: 0;
                gap: 8px;
            }

            .brand-mark {
                width: 37px;
                height: 37px;
                font-size: .85rem;
            }

            .brand-name {
                font-size: .88rem;
            }

            .brand-name small {
                font-size: .56rem;
            }

            .login-link {
                display: none;
            }

            .signup-button {
                min-height: 39px;
                padding: 0 13px;
                font-size: .72rem;
            }

            .article-hero {
                min-height: 450px;
                padding: 78px 0 50px;
                background-position: 62% center;
            }

            .article-hero h1 {
                font-size: clamp(2rem, 10vw, 3rem);
            }

            .hero-summary {
                font-size: .94rem;
            }

            .article-shell {
                padding: 44px 0 66px;
            }

            .summary-bar {
                grid-template-columns: 1fr;
            }

            .summary-item {
                min-height: auto;
                padding: 16px 19px;
            }

            .article-cover img {
                height: 235px;
            }

            .article-content {
                font-size: .98rem;
            }

            .article-cta {
                display: block;
                padding: 24px;
            }

            .article-cta h2 {
                font-size: 1.45rem;
            }

            .article-cta .gold-button {
                width: 100%;
                margin-top: 20px;
            }

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

            .faq-section,
            .final-cta {
                padding: 60px 0;
            }

            .faq-question {
                font-size: .94rem;
            }

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

            .footer-bottom {
                display: block;
                margin-top: 35px;
            }

            .footer-bottom p + p {
                margin-top: 8px;
            }

            .support-fab {
                left: 14px;
                bottom: 82px;
                width: 52px;
                height: 52px;
            }
        }

        @media (max-width: 420px) {
            .header-inner {
                gap: 8px;
            }

            .nav-toggle {
                width: 40px;
                height: 40px;
            }

            .brand-name {
                max-width: 150px;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .article-meta {
                display: grid;
                gap: 9px;
            }
        }

/* roulang page: category1 */
:root {
            --ink: #eef8f0;
            --muted: #a8c2b1;
            --soft: #d7e9dc;
            --forest: #071b18;
            --jungle: #0b3c25;
            --jade: #116044;
            --jade-light: #1b8b5f;
            --sun: #ffcc00;
            --lime: #8fe34f;
            --line: rgba(204, 255, 161, .18);
            --glass: rgba(10, 42, 31, .72);
            --glass-strong: rgba(8, 30, 24, .94);
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow: 0 22px 60px rgba(0, 0, 0, .28);
            --ease: cubic-bezier(.2, .8, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background:
                radial-gradient(circle at 82% 12%, rgba(36, 137, 88, .16), transparent 24rem),
                var(--forest);
            color: var(--ink);
            font-family: "Be Vietnam Pro", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .24;
            background-image:
                linear-gradient(rgba(143, 227, 79, .035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(143, 227, 79, .035) 1px, transparent 1px);
            background-size: 42px 42px;
            mask-image: linear-gradient(to bottom, black, transparent 80%);
            z-index: -1;
        }

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

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

        button,
        input {
            font: inherit;
        }

        button {
            cursor: pointer;
        }

        :focus-visible {
            outline: 3px solid var(--sun);
            outline-offset: 4px;
        }

        .container {
            width: min(1180px, calc(100% - 40px));
            margin: 0 auto;
        }

        .site-header {
            position: fixed;
            top: 0;
            right: 0;
            left: 0;
            z-index: 100;
            background: rgba(5, 24, 20, .88);
            border-bottom: 1px solid rgba(197, 239, 172, .12);
            backdrop-filter: blur(18px);
        }

        .header-inner {
            min-height: 78px;
            display: flex;
            align-items: center;
            gap: 28px;
        }

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

        .brand-mark {
            width: 39px;
            height: 39px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            color: #17351e;
            background: linear-gradient(145deg, #fff29b, var(--sun) 55%, #d18c00);
            box-shadow: 0 0 0 4px rgba(255, 204, 0, .12), 0 8px 24px rgba(255, 204, 0, .18);
            font-weight: 800;
            letter-spacing: -.05em;
        }

        .brand-name {
            color: #fff9d2;
            font-size: .91rem;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -.02em;
        }

        .brand-name small {
            display: block;
            margin-top: 4px;
            color: var(--muted);
            font-size: .62rem;
            font-weight: 500;
            letter-spacing: .02em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 5px;
            margin-left: auto;
        }

        .main-nav a {
            position: relative;
            padding: 10px 13px;
            border-radius: 10px;
            color: #b5ccb9;
            font-size: .82rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: #fff4a9;
            background: rgba(143, 227, 79, .08);
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            right: 13px;
            bottom: 4px;
            left: 13px;
            height: 2px;
            border-radius: 4px;
            background: var(--sun);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 9px;
            margin-left: 5px;
        }

        .login-link {
            color: #d5e7d7;
            font-size: .8rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .login-link:hover {
            color: var(--sun);
        }

        .signup-link {
            padding: 11px 16px;
            border-radius: 10px;
            color: #19391e;
            background: var(--sun);
                   }

        .signup-link:hover {
            background: #fff1a1;
            color: #102d19;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 204, 0, .2);
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            border-radius: 11px;
            color: var(--ink);
            background: rgba(255, 255, 255, .04);
        }

        .menu-toggle span,
        .menu-toggle::before,
        .menu-toggle::after {
            content: "";
            display: block;
            width: 19px;
            height: 2px;
            margin: 4px auto;
            border-radius: 4px;
            background: var(--sun);
        }

        .page-main {
            padding-top: 78px;
        }

        .hero {
            position: relative;
            min-height: 570px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background:
                linear-gradient(90deg, rgba(4, 22, 17, .97) 8%, rgba(4, 29, 20, .82) 44%, rgba(4, 29, 20, .3) 100%),
                url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
        }

        .hero::after {
            content: "";
            position: absolute;
            right: 5%;
            bottom: -130px;
            width: 360px;
            height: 360px;
            border: 1px solid rgba(255, 204, 0, .22);
            border-radius: 50%;
            box-shadow: 0 0 0 30px rgba(255, 204, 0, .025), 0 0 0 70px rgba(255, 204, 0, .018);
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr);
            gap: 70px;
            align-items: center;
            padding: 84px 0 92px;
        }

        .eyebrow,
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--sun);
            font-size: .73rem;
            font-weight: 800;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .section-kicker::before {
            content: "";
            width: 26px;
            height: 2px;
            border-radius: 5px;
            background: var(--sun);
        }

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

        h1 {
            max-width: 760px;
            margin: 21px 0 20px;
            color: #fffbea;
            font-family: "DM Serif Display", Georgia, serif;
            font-size: clamp(2.7rem, 5vw, 5.35rem);
            font-weight: 400;
            line-height: 1.03;
            letter-spacing: -.035em;
        }

        .hero-copy {
            max-width: 680px;
            color: var(--soft);
            font-size: 1.05rem;
            line-height: 1.75;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 30px;
        }

        .button-primary,
        .button-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 13px 19px;
            border-radius: 12px;
            font-size: .86rem;
            font-weight: 800;
            transition: all .25s var(--ease);
        }

        .button-primary {
            color: #18331e;
            background: var(--sun);
            box-shadow: 0 12px 28px rgba(255, 204, 0, .16);
        }

        .button-primary:hover {
            color: #102719;
            background: #fff09a;
            transform: translateY(-3px);
            box-shadow: 0 16px 32px rgba(255, 204, 0, .25);
        }

        .button-secondary {
            border: 1px solid rgba(197, 239, 172, .28);
            color: var(--ink);
            background: rgba(255, 255, 255, .045);
        }

        .button-secondary:hover {
            border-color: var(--lime);
            color: var(--lime);
            background: rgba(143, 227, 79, .08);
            transform: translateY(-3px);
        }

        .hero-note {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 22px;
            color: #a8c5af;
            font-size: .77rem;
        }

        .status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 0 5px rgba(143, 227, 79, .12), 0 0 14px var(--lime);
        }

        .broadcast-panel {
            position: relative;
            padding: 11px;
            border: 1px solid rgba(255, 204, 0, .36);
            border-radius: var(--radius-lg);
            background: rgba(8, 35, 24, .75);
            box-shadow: var(--shadow);
            transform: rotate(1.5deg);
        }

        .broadcast-panel:hover {
            transform: rotate(0) translateY(-4px);
        }

        .broadcast-image {
            position: relative;
            min-height: 240px;
            overflow: hidden;
            border-radius: 20px;
            background: var(--jade);
        }

        .broadcast-image img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            opacity: .74;
        }

        .broadcast-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 35%, rgba(4, 25, 17, .88));
        }

        .live-label {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 1;
            padding: 5px 9px;
            border-radius: 7px;
            color: #fff;
            background: #cf3c3c;
            font-size: .68rem;
            font-weight: 800;
            letter-spacing: .08em;
        }

        .broadcast-caption {
            position: absolute;
            right: 17px;
            bottom: 15px;
            left: 17px;
            z-index: 1;
        }

        .broadcast-caption strong {
            display: block;
            color: #fff8ce;
            font-size: 1.08rem;
        }

        .broadcast-caption span {
            color: #c9ddc6;
            font-size: .77rem;
        }

        .countdown {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
            margin-top: 11px;
        }

        .time-box {
            padding: 11px 7px;
            border: 1px solid rgba(197, 239, 172, .13);
            border-radius: 12px;
            background: rgba(255, 255, 255, .04);
            text-align: center;
        }

        .time-box strong {
            display: block;
            color: var(--sun);
            font-size: 1.28rem;
            line-height: 1.1;
        }

        .time-box span {
            color: var(--muted);
            font-size: .66rem;
        }

        .reminder-form {
            display: flex;
            gap: 8px;
            margin-top: 11px;
        }

        .reminder-form input {
            min-width: 0;
            height: 44px;
            margin: 0;
            padding: 0 12px;
            border: 1px solid rgba(197, 239, 172, .17);
            border-radius: 10px;
            color: var(--ink);
            background: rgba(0, 0, 0, .2);
            box-shadow: none;
            font-size: .75rem;
        }

        .reminder-form input::placeholder {
            color: #88a694;
        }

        .reminder-form button {
            flex: 0 0 auto;
            border: 0;
            border-radius: 10px;
            padding: 0 13px;
            color: #18331e;
            background: var(--lime);
            font-size: .74rem;
            font-weight: 800;
        }

        .reminder-form button:hover {
            background: #b9f88b;
        }

        .section {
            padding: 94px 0;
        }

        .section-heading {
            display: flex;
            justify-content: space-between;
            align-items: end;
            gap: 30px;
            margin-bottom: 34px;
        }

        .section-heading h2 {
            max-width: 630px;
            margin: 13px 0 0;
            color: #fffbea;
            font-family: "DM Serif Display", Georgia, serif;
            font-size: clamp(2rem, 3.5vw, 3.25rem);
            font-weight: 400;
            line-height: 1.1;
            letter-spacing: -.025em;
        }

        .section-heading p {
            max-width: 440px;
            margin-bottom: 2px;
            color: var(--muted);
            font-size: .92rem;
        }

        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .metric {
            position: relative;
            padding: 28px 22px;
        }

        .metric + .metric {
            border-left: 1px solid var(--line);
        }

        .metric strong {
            display: block;
            color: var(--sun);
            font-size: 2rem;
            line-height: 1.1;
            letter-spacing: -.04em;
        }

        .metric span {
            display: block;
            margin-top: 7px;
            color: var(--muted);
            font-size: .78rem;
        }

        .split-content {
            display: grid;
            grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
            gap: 62px;
            align-items: center;
        }

        .content-image {
            position: relative;
            overflow: hidden;
            min-height: 430px;
            border-radius: 24px 80px 24px 24px;
            background: var(--jade);
        }

        .content-image img {
            width: 100%;
            height: 430px;
            object-fit: cover;
            transition: transform .6s var(--ease);
        }

        .content-image:hover img {
            transform: scale(1.05);
        }

        .image-badge {
            position: absolute;
            right: 18px;
            bottom: 18px;
            max-width: 190px;
            padding: 15px;
            border: 1px solid rgba(255, 236, 136, .35);
            border-radius: 16px;
            color: #fff7c2;
            background: rgba(6, 33, 21, .82);
            backdrop-filter: blur(9px);
        }

        .image-badge strong {
            display: block;
            font-size: 1.35rem;
        }

        .image-badge span {
            color: var(--muted);
            font-size: .72rem;
        }

        .guide-points {
            margin: 28px 0 0;
            list-style: none;
        }

        .guide-points li {
            position: relative;
            display: grid;
            grid-template-columns: 35px 1fr;
            gap: 13px;
            padding: 15px 0;
            border-bottom: 1px solid rgba(197, 239, 172, .12);
        }

        .guide-points li:first-child {
            border-top: 1px solid rgba(197, 239, 172, .12);
        }

        .point-number {
            display: grid;
            place-items: center;
            width: 31px;
            height: 31px;
            border: 1px solid rgba(255, 204, 0, .5);
            border-radius: 50%;
            color: var(--sun);
            font-size: .74rem;
            font-weight: 800;
        }

        .guide-points strong {
            display: block;
            margin-bottom: 3px;
            color: #f6f8db;
            font-size: .92rem;
        }

        .guide-points span {
            color: var(--muted);
            font-size: .82rem;
        }

        .matrix-section {
            background: linear-gradient(125deg, rgba(11, 60, 37, .74), rgba(5, 27, 22, .5));
            border-top: 1px solid rgba(197, 239, 172, .1);
            border-bottom: 1px solid rgba(197, 239, 172, .1);
        }

        .matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .matrix-item {
            min-height: 235px;
            padding: 26px 24px;
            border: 1px solid rgba(197, 239, 172, .14);
            border-radius: var(--radius-md);
            background: rgba(3, 25, 18, .55);
            transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
        }

        .matrix-item:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 204, 0, .5);
            background: rgba(12, 67, 42, .65);
        }

        .matrix-icon {
            display: inline-grid;
            place-items: center;
            width: 45px;
            height: 45px;
            margin-bottom: 23px;
            border-radius: 13px;
            color: #16351b;
            background: linear-gradient(145deg, #eaff9b, var(--lime));
            font-size: 1.2rem;
            font-weight: 800;
        }

        .matrix-item h3 {
            margin-bottom: 10px;
            color: #fff6c2;
            font-size: 1.08rem;
        }

        .matrix-item p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: .84rem;
        }

        .compare-layout {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 55px;
            align-items: start;
        }

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

        .compare-intro h2 {
            margin: 13px 0 16px;
            color: #fffbea;
            font-family: "DM Serif Display", Georgia, serif;
            font-size: clamp(2rem, 3.2vw, 3rem);
            font-weight: 400;
            line-height: 1.08;
        }

        .compare-intro p {
            color: var(--muted);
            font-size: .9rem;
        }

        .check-list {
            margin: 24px 0 0;
            padding: 0;
            list-style: none;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 11px;
            margin: 13px 0;
            color: var(--soft);
            font-size: .82rem;
        }

        .check-list li::before {
            content: "✓";
            flex: 0 0 21px;
            width: 21px;
            height: 21px;
            border-radius: 50%;
            color: #173c1e;
            background: var(--lime);
            font-size: .73rem;
            font-weight: 800;
            text-align: center;
            line-height: 21px;
        }

        .result-table {
            overflow: hidden;
            border: 1px solid rgba(197, 239, 172, .15);
            border-radius: 20px;
            background: rgba(7, 38, 26, .55);
        }

        .result-row {
            display: grid;
            grid-template-columns: 1.05fr .95fr 1.2fr;
            gap: 15px;
            align-items: center;
            padding: 17px 20px;
            border-bottom: 1px solid rgba(197, 239, 172, .1);
        }

        .result-row:last-child {
            border-bottom: 0;
        }

        .result-row.header {
            color: var(--sun);
            background: rgba(255, 204, 0, .08);
            font-size: .7rem;
            font-weight: 800;
            letter-spacing: .06em;
            text-transform: uppercase;
        }

        .result-row:not(.header) {
            color: var(--soft);
            font-size: .81rem;
        }

        .result-row strong {
            color: #fff8cf;
            font-weight: 700;
        }

        .result-tag {
            display: inline-flex;
            justify-self: start;
            padding: 5px 9px;
            border-radius: 8px;
            color: #153a1c;
            background: var(--lime);
            font-size: .68rem;
            font-weight: 800;
        }

        .process {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .process-step {
            position: relative;
            padding: 25px 22px 28px 0;
        }

        .process-step + .process-step {
            padding-left: 24px;
            border-left: 1px solid var(--line);
        }

        .process-step::after {
            content: "→";
            position: absolute;
            top: 26px;
            right: 13px;
            color: rgba(255, 204, 0, .6);
            font-size: 1.2rem;
        }

        .process-step:last-child::after {
            display: none;
        }

        .step-label {
            display: block;
            margin-bottom: 15px;
            color: var(--sun);
            font-size: .68rem;
            font-weight: 800;
            letter-spacing: .1em;
        }

        .process-step h3 {
            margin-bottom: 7px;
            color: #fff8cf;
            font-size: .98rem;
        }

        .process-step p {
            margin: 0;
            color: var(--muted);
            font-size: .78rem;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 60px;
            align-items: start;
        }

        .faq-intro h2 {
            margin: 13px 0 16px;
            color: #fffbea;
            font-family: "DM Serif Display", Georgia, serif;
            font-size: clamp(2rem, 3.3vw, 3.2rem);
            font-weight: 400;
            line-height: 1.08;
        }

        .faq-intro p {
            color: var(--muted);
            font-size: .9rem;
        }

        .accordion {
            margin: 0;
            background: transparent;
        }

        .accordion-item {
            border: 0;
            border-bottom: 1px solid rgba(197, 239, 172, .14);
            background: transparent;
        }

        .accordion-title {
            padding: 20px 38px 20px 0;
            border: 0;
            color: #fff7c9;
            background: transparent;
            font-size: .92rem;
            font-weight: 700;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--sun);
            background: transparent;
        }

        .accordion-title::before {
            right: 8px;
            color: var(--sun);
        }

        .accordion-content {
            padding: 0 34px 19px 0;
            border: 0;
            background: transparent;
            color: var(--muted);
            font-size: .83rem;
        }

        .cta-section {
            padding: 78px 0;
            text-align: center;
            background:
                linear-gradient(90deg, rgba(4, 32, 22, .93), rgba(14, 83, 49, .72)),
                url("/assets/images/backpic/back-3.jpg") center/cover;
        }

        .cta-section h2 {
            max-width: 760px;
            margin: 0 auto 15px;
            color: #fff8ce;
            font-family: "DM Serif Display", Georgia, serif;
            font-size: clamp(2rem, 4vw, 3.55rem);
            font-weight: 400;
            line-height: 1.1;
        }

        .cta-section p {
            max-width: 660px;
            margin: 0 auto 27px;
            color: var(--soft);
            font-size: .94rem;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 11px;
        }

        .floating-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: grid;
            place-items: center;
            width: 58px;
            height: 58px;
            border: 2px solid var(--sun);
            border-radius: 50%;
            color: var(--sun);
            background: rgba(5, 24, 19, .92);
            box-shadow: 0 4px 20px rgba(255, 215, 0, .3);
            opacity: .78;
            font-size: 1.35rem;
            animation: floatCoin 3.2s ease-in-out infinite;
        }

        .floating-support::before {
            content: "";
            position: absolute;
            inset: 4px;
            border: 1px dashed rgba(255, 204, 0, .55);
            border-radius: 50%;
        }

        .floating-support::after {
            content: "";
            position: absolute;
            top: 3px;
            right: 1px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #f54d4d;
            box-shadow: 0 0 10px #f54d4d;
            animation: blink 1.5s infinite;
        }

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

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

        .floating-support span {
            position: relative;
            z-index: 1;
            transition: transform .5s var(--ease);
        }

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

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: .3; }
        }

        footer {
            padding: 64px 0 22px;
            background: #041510;
            border-top: 1px solid rgba(197, 239, 172, .13);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.45fr .8fr .95fr 1fr;
            gap: 42px;
        }

        .footer-brand p {
            max-width: 350px;
            margin: 18px 0;
            color: var(--muted);
            font-size: .82rem;
        }

        footer .brand-name {
            color: #fff8cf;
        }

        footer h3 {
            margin: 4px 0 16px;
            color: #fff4bd;
            font-size: .86rem;
        }

        footer > .container > .footer-grid > div > a,
        footer > .container > .footer-grid > div:not(.footer-brand) a {
            display: block;
            margin: 10px 0;
            color: var(--muted);
            font-size: .78rem;
        }

        footer a:hover {
            color: var(--sun);
        }

        .trust-line {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
        }

        .trust-line span {
            padding: 5px 9px;
            border: 1px solid rgba(197, 239, 172, .17);
            border-radius: 7px;
            color: #c8e6c6;
            background: rgba(143, 227, 79, .06);
            font-size: .65rem;
            font-weight: 700;
        }

        footer p {
            color: var(--muted);
            font-size: .78rem;
        }

        .footer-note {
            margin-top: 18px;
            color: #759481 !important;
            font-size: .7rem !important;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 45px;
            padding-top: 20px;
            border-top: 1px solid rgba(197, 239, 172, .12);
        }

        .footer-bottom p {
            margin: 0;
            color: #739083;
            font-size: .7rem;
        }

        @media screen and (max-width: 1100px) {
            .header-inner {
                gap: 15px;
            }

            .main-nav {
                gap: 0;
            }

            .main-nav a {
                padding-right: 9px;
                padding-left: 9px;
                font-size: .75rem;
            }

            .hero-grid {
                gap: 40px;
            }
        }

        @media screen and (max-width: 900px) {
            .header-inner {
                min-height: 70px;
            }

            .page-main {
                padding-top: 70px;
            }

            .main-nav {
                position: absolute;
                top: 70px;
                right: 20px;
                left: 20px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 10px;
                border: 1px solid var(--line);
                border-radius: 15px;
                background: var(--glass-strong);
                box-shadow: var(--shadow);
            }

            .main-nav.is-open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 14px;
            }

            .main-nav a.active::after {
                right: 14px;
                bottom: 8px;
                left: auto;
                width: 4px;
                height: 18px;
            }

            .menu-toggle {
                display: block;
                margin-left: auto;
            }

            .header-actions {
                margin-left: 0;
            }

            .hero-grid,
            .split-content,
            .compare-layout,
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero {
                min-height: auto;
            }

            .hero-grid {
                padding: 70px 0 82px;
            }

            .broadcast-panel {
                max-width: 560px;
                margin-left: auto;
                transform: none;
            }

            .compare-intro {
                position: static;
            }

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

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

        @media screen and (max-width: 640px) {
            .container {
                width: min(100% - 28px, 540px);
            }

            .brand-name {
                max-width: 175px;
                font-size: .76rem;
            }

            .brand-name small {
                font-size: .57rem;
            }

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

            .login-link {
                display: inline-block;
                font-size: .7rem;
            }

            .signup-link {
                padding: 9px 11px;
                font-size: .7rem;
            }

            .menu-toggle {
                width: 38px;
                height: 38px;
            }

            h1 {
                font-size: clamp(2.35rem, 12vw, 3.4rem);
            }

            .hero-copy {
                font-size: .93rem;
            }

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

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

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

            .metric:nth-child(3) {
                border-top: 1px solid var(--line);
            }

            .metric:nth-child(4) {
                border-top: 1px solid var(--line);
            }

            .metric:nth-child(odd) {
                border-left: 0;
            }

            .metric {
                padding: 22px 14px;
            }

            .metric strong {
                font-size: 1.65rem;
            }

            .section {
                padding: 68px 0;
            }

            .section-heading {
                display: block;
                margin-bottom: 25px;
            }

            .section-heading p {
                margin-top: 15px;
            }

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

            .content-image,
            .content-image img {
                min-height: 320px;
                height: 320px;
            }

            .result-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 15px;
            }

            .result-row.header {
                display: none;
            }

            .result-row strong {
                grid-column: span 2;
            }

            .result-row .result-tag {
                grid-column: 1 / 2;
            }

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

            .process-step {
                padding: 21px 16px 22px 0;
            }

            .process-step:nth-child(3),
            .process-step:nth-child(4) {
                border-top: 1px solid var(--line);
            }

            .process-step:nth-child(3) {
                border-left: 0;
                padding-left: 0;
            }

            .process-step:nth-child(4) {
                padding-left: 16px;
            }

            .process-step::after {
                display: none;
            }

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

            .footer-bottom {
                display: block;
                margin-top: 32px;
            }

            .footer-bottom p + p {
                margin-top: 8px;
            }

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

        @media screen and (max-width: 430px) {
            .header-inner {
                gap: 8px;
            }

            .brand {
                gap: 7px;
            }

            .brand-name {
                max-width: 130px;
                font-size: .67rem;
            }

            .brand-name small {
                display: none;
            }

            .login-link {
                font-size: .65rem;
            }

            .signup-link {
                padding: 8px 9px;
                font-size: .63rem;
            }

            .reminder-form {
                display: block;
            }

            .reminder-form input,
            .reminder-form button {
                width: 100%;
            }

            .reminder-form button {
                height: 42px;
                margin-top: 7px;
            }
        }

/* roulang page: category2 */
:root {
            --ink: #08090f;
            --navy: #0d111e;
            --navy-2: #111827;
            --panel: rgba(18, 25, 42, .86);
            --panel-soft: rgba(24, 35, 58, .62);
            --blue: #0052ff;
            --cyan: #00f0ff;
            --lime: #b7ff38;
            --white: #ffffff;
            --silver: #cbd5e1;
            --muted: #8995a8;
            --line: rgba(110, 151, 213, .22);
            --line-bright: rgba(0, 240, 255, .58);
            --radius: 20px;
            --radius-sm: 12px;
            --shadow: 0 22px 70px rgba(0, 0, 0, .34);
            --glow: 0 0 28px rgba(0, 240, 255, .16);
            --container: 1180px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            color: var(--white);
            background:
                radial-gradient(circle at 8% 12%, rgba(0, 82, 255, .16), transparent 27rem),
                radial-gradient(circle at 91% 32%, rgba(0, 240, 255, .08), transparent 25rem),
                var(--ink);
            font-family: "Be Vietnam Pro", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .22;
            background-image:
                linear-gradient(rgba(0, 240, 255, .045) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, .045) 1px, transparent 1px);
            background-size: 56px 56px;
            mask-image: linear-gradient(to bottom, #000, transparent 92%);
            z-index: -1;
        }

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

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

        button, input { font: inherit; }

        button { cursor: pointer; }

        :focus-visible {
            outline: 3px solid var(--lime);
            outline-offset: 4px;
        }

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

        .site-header {
            position: fixed;
            inset: 0 0 auto;
            z-index: 100;
            background: rgba(8, 9, 15, .82);
            border-bottom: 1px solid rgba(0, 240, 255, .14);
            backdrop-filter: blur(18px);
        }

        .header-inner {
            min-height: 78px;
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            min-width: 232px;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            color: var(--ink);
            background: linear-gradient(145deg, var(--cyan), #6ba4ff);
            font-family: "Space Grotesk", sans-serif;
            font-weight: 800;
            letter-spacing: -1px;
            clip-path: polygon(16% 0, 100% 0, 84% 100%, 0 100%);
            box-shadow: 0 0 22px rgba(0, 240, 255, .3);
        }

        .brand-name {
            font-family: "Space Grotesk", sans-serif;
            font-size: .98rem;
            line-height: 1.15;
            font-weight: 700;
            letter-spacing: -.02em;
        }

        .brand-name small {
            display: block;
            color: var(--cyan);
            font-family: "Be Vietnam Pro", sans-serif;
            font-size: .65rem;
            font-weight: 500;
            letter-spacing: .04em;
            margin-top: 4px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }

        .main-nav a {
            position: relative;
            color: var(--silver);
            padding: 10px 13px;
            font-size: .86rem;
            font-weight: 600;
            white-space: nowrap;
            border-radius: 8px;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 13px;
            right: 13px;
            bottom: 3px;
            height: 2px;
            background: var(--cyan);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--white);
            background: rgba(0, 240, 255, .07);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }

        .login-link {
            color: var(--silver);
            font-size: .85rem;
            font-weight: 700;
        }

        .login-link:hover { color: var(--cyan); }

        .button {
            border: 0;
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 20px;
            color: var(--ink);
            background: var(--cyan);
            font-weight: 800;
            line-height: 1.2;
            box-shadow: 0 0 24px rgba(0, 240, 255, .2);
        }

        .button:hover {
            color: var(--ink);
            background: #72f8ff;
            transform: translateY(-2px);
            box-shadow: 0 0 34px rgba(0, 240, 255, .38);
        }

        .button:active { transform: translateY(1px) scale(.98); }

        .button.secondary {
            color: var(--white);
            border: 1px solid var(--line-bright);
            background: rgba(0, 82, 255, .12);
            box-shadow: none;
        }

        .button.secondary:hover {
            color: var(--white);
            background: rgba(0, 240, 255, .13);
        }

        .button.lime {
            background: var(--lime);
            box-shadow: 0 0 24px rgba(183, 255, 56, .18);
        }

        .button.lime:hover { background: #d3ff84; }

        .menu-toggle {
            display: none;
            color: var(--cyan);
            border: 1px solid var(--line-bright);
            background: transparent;
            width: 43px;
            height: 40px;
            border-radius: 8px;
        }

        main { padding-top: 78px; }

        .hero {
            min-height: 650px;
            display: flex;
            align-items: center;
            position: relative;
            isolation: isolate;
            background:
                linear-gradient(90deg, rgba(8, 9, 15, .96) 5%, rgba(8, 9, 15, .76) 48%, rgba(8, 9, 15, .42)),
                url("/assets/images/backpic/back-2.jpg") center/cover;
            border-bottom: 1px solid rgba(0, 240, 255, .16);
        }

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

        .hero-grid {
            width: 100%;
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(370px, .8fr);
            gap: 72px;
            align-items: center;
            padding: 88px 0 76px;
        }

        .eyebrow, .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--cyan);
            font-size: .74rem;
            font-weight: 800;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .eyebrow::before, .section-kicker::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--cyan);
            box-shadow: 0 0 12px var(--cyan);
        }

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

        h1, h2, h3 {
            font-family: "Space Grotesk", "Be Vietnam Pro", sans-serif;
            line-height: 1.12;
            letter-spacing: -.035em;
        }

        h1 {
            max-width: 740px;
            margin: 18px 0 22px;
            font-size: clamp(2.5rem, 5vw, 5rem);
            font-weight: 700;
        }

        h1 span {
            color: var(--cyan);
            text-shadow: 0 0 28px rgba(0, 240, 255, .25);
        }

        .hero-copy {
            max-width: 645px;
            color: var(--silver);
            font-size: 1.05rem;
            line-height: 1.75;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 13px;
            margin-top: 30px;
        }

        .hero-note {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 23px;
            color: var(--muted);
            font-size: .82rem;
        }

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

        .hero-panel {
            position: relative;
            padding: 25px;
            background: linear-gradient(145deg, rgba(19, 32, 59, .92), rgba(8, 13, 26, .88));
            border: 1px solid var(--line-bright);
            clip-path: polygon(0 12px, 12px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 18px 100%, 0 calc(100% - 18px));
            box-shadow: var(--shadow), var(--glow);
        }

        .hero-panel::before {
            content: "LINK ĐƯỢC KIỂM TRA";
            position: absolute;
            top: 17px;
            right: 25px;
            color: var(--lime);
            font-size: .64rem;
            font-weight: 800;
            letter-spacing: .1em;
        }

        .panel-title {
            margin: 27px 0 20px;
            font-size: 1.45rem;
        }

        .panel-line {
            display: flex;
            align-items: center;
            gap: 13px;
            padding: 15px 0;
            border-top: 1px solid var(--line);
        }

        .panel-line:first-of-type { border-top: 0; }

        .panel-icon {
            width: 35px;
            height: 35px;
            flex: 0 0 35px;
            display: grid;
            place-items: center;
            color: var(--cyan);
            border: 1px solid var(--line-bright);
            border-radius: 8px;
            background: rgba(0, 240, 255, .07);
        }

        .panel-line b {
            display: block;
            color: var(--white);
            font-size: .93rem;
        }

        .panel-line span {
            display: block;
            color: var(--muted);
            font-size: .76rem;
            line-height: 1.4;
        }

        .status-live {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--lime);
            font-size: .75rem;
            font-weight: 700;
        }

        .status-live::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 12px var(--lime);
            animation: pulse 1.8s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: .4; transform: scale(.7); }
        }

        .metric-strip {
            position: relative;
            margin-top: -34px;
            z-index: 2;
        }

        .metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            background: rgba(16, 24, 41, .92);
            border: 1px solid var(--line);
            box-shadow: var(--shadow);
        }

        .metric {
            padding: 22px 25px;
            border-right: 1px solid var(--line);
        }

        .metric:last-child { border-right: 0; }

        .metric strong {
            display: block;
            color: var(--cyan);
            font-family: "Space Grotesk", sans-serif;
            font-size: 1.75rem;
            line-height: 1.1;
        }

        .metric span {
            display: block;
            margin-top: 7px;
            color: var(--muted);
            font-size: .79rem;
        }

        .section {
            padding: 105px 0;
        }

        .section-header {
            max-width: 690px;
            margin-bottom: 42px;
        }

        .section-header h2 {
            margin: 14px 0 15px;
            font-size: clamp(2rem, 3.5vw, 3.2rem);
        }

        .section-header p {
            color: var(--silver);
            max-width: 650px;
        }

        .matrix {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 64px;
            align-items: start;
        }

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

        .matrix-intro h2 { margin: 14px 0 18px; }

        .matrix-intro p { color: var(--muted); }

        .check-list {
            margin: 27px 0 0;
            padding: 0;
            list-style: none;
        }

        .check-list li {
            position: relative;
            padding: 11px 0 11px 30px;
            color: var(--silver);
            border-bottom: 1px solid var(--line);
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 10px;
            color: var(--lime);
            font-weight: 800;
        }

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

        .service-row {
            display: grid;
            grid-template-columns: 52px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 24px 0;
            border-bottom: 1px solid var(--line);
        }

        .service-number {
            color: var(--cyan);
            font-family: "Space Grotesk", sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
        }

        .service-row h3 {
            margin-bottom: 5px;
            font-size: 1.13rem;
        }

        .service-row p {
            margin: 0;
            color: var(--muted);
            font-size: .88rem;
            line-height: 1.55;
        }

        .service-tag {
            color: var(--lime);
            border: 1px solid rgba(183, 255, 56, .38);
            border-radius: 999px;
            padding: 6px 11px;
            font-size: .7rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .split-section {
            background: linear-gradient(120deg, rgba(0, 82, 255, .1), transparent 48%);
            border-top: 1px solid rgba(0, 240, 255, .1);
            border-bottom: 1px solid rgba(0, 240, 255, .1);
        }

        .split-grid {
            display: grid;
            grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
            gap: 70px;
            align-items: center;
        }

        .feature-image {
            position: relative;
            min-height: 460px;
            overflow: hidden;
            border: 1px solid var(--line-bright);
            clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 34px 100%, 0 calc(100% - 34px));
            box-shadow: var(--shadow);
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            min-height: 460px;
            object-fit: cover;
            filter: saturate(.85) contrast(1.05);
        }

        .feature-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(145deg, rgba(0, 240, 255, .15), rgba(8, 9, 15, .72));
        }

        .image-stamp {
            position: absolute;
            left: 24px;
            bottom: 23px;
            z-index: 1;
            max-width: 240px;
            padding: 15px 17px;
            background: rgba(8, 9, 15, .76);
            border-left: 3px solid var(--lime);
            backdrop-filter: blur(9px);
        }

        .image-stamp strong {
            display: block;
            font-family: "Space Grotesk", sans-serif;
            font-size: 1.25rem;
        }

        .image-stamp span {
            display: block;
            color: var(--silver);
            font-size: .76rem;
            line-height: 1.45;
        }

        .steps {
            counter-reset: appstep;
            margin: 30px 0 0;
            padding: 0;
            list-style: none;
        }

        .steps li {
            position: relative;
            counter-increment: appstep;
            display: grid;
            grid-template-columns: 42px 1fr;
            gap: 15px;
            padding: 0 0 25px;
        }

        .steps li::before {
            content: counter(appstep, decimal-leading-zero);
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            color: var(--ink);
            background: var(--cyan);
            font-family: "Space Grotesk", sans-serif;
            font-size: .78rem;
            font-weight: 800;
            clip-path: polygon(15% 0, 100% 0, 85% 100%, 0 100%);
        }

        .steps li:not(:last-child)::after {
            content: "";
            position: absolute;
            left: 20px;
            top: 45px;
            bottom: 4px;
            width: 1px;
            background: linear-gradient(var(--cyan), transparent);
        }

        .steps h3 {
            margin: 2px 0 5px;
            font-size: 1.08rem;
        }

        .steps p {
            margin: 0;
            color: var(--muted);
            font-size: .88rem;
        }

        .comparison {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .compare-item {
            min-height: 260px;
            padding: 26px;
            background: var(--panel-soft);
            border: 1px solid var(--line);
            transition: transform .3s ease, border-color .3s ease, background .3s ease;
        }

        .compare-item:hover {
            transform: translateY(-7px);
            border-color: var(--cyan);
            background: rgba(18, 35, 64, .82);
            box-shadow: var(--glow);
        }

        .compare-icon {
            width: 45px;
            height: 45px;
            display: grid;
            place-items: center;
            margin-bottom: 27px;
            color: var(--lime);
            border: 1px solid rgba(183, 255, 56, .42);
            background: rgba(183, 255, 56, .06);
            font-family: "Space Grotesk", sans-serif;
            font-weight: 800;
        }

        .compare-item h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }

        .compare-item p {
            color: var(--muted);
            font-size: .87rem;
            line-height: 1.65;
        }

        .compare-item a {
            display: inline-flex;
            margin-top: 12px;
            color: var(--cyan);
            font-size: .8rem;
            font-weight: 700;
        }

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

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

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

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

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 0;
            color: var(--white);
            text-align: left;
            border: 0;
            background: transparent;
            font-weight: 700;
        }

        .faq-question span:last-child {
            color: var(--cyan);
            font-size: 1.35rem;
            line-height: 1;
            transition: transform .25s ease;
        }

        .faq-item.open .faq-question span:last-child { transform: rotate(45deg); }

        .faq-answer {
            display: none;
            padding: 0 46px 22px 0;
            color: var(--muted);
            font-size: .9rem;
        }

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

        .cta-section {
            padding: 74px 0;
            background:
                linear-gradient(110deg, rgba(0, 82, 255, .68), rgba(0, 240, 255, .17)),
                url("/assets/images/backpic/back-3.jpg") center/cover;
            border-top: 1px solid rgba(0, 240, 255, .28);
            border-bottom: 1px solid rgba(0, 240, 255, .28);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr .82fr;
            align-items: center;
            gap: 45px;
        }

        .cta-copy h2 {
            max-width: 650px;
            margin: 12px 0 13px;
            font-size: clamp(2rem, 3.5vw, 3.2rem);
        }

        .cta-copy p {
            max-width: 630px;
            margin-bottom: 0;
            color: #e5faff;
        }

        .lead-form {
            padding: 25px;
            background: rgba(8, 9, 15, .72);
            border: 1px solid rgba(255, 255, 255, .22);
            box-shadow: var(--shadow);
        }

        .lead-form label {
            display: block;
            margin-bottom: 7px;
            color: var(--silver);
            font-size: .78rem;
            font-weight: 700;
        }

        .lead-form input {
            width: 100%;
            height: 48px;
            margin-bottom: 15px;
            padding: 0 14px;
            color: var(--white);
            border: 1px solid var(--line);
            border-radius: 8px;
            background: rgba(255, 255, 255, .07);
            box-shadow: none;
        }

        .lead-form input::placeholder { color: #7d8ba1; }

        .lead-form input:focus {
            border-color: var(--cyan);
            background: rgba(0, 240, 255, .06);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, .1);
        }

        .form-message {
            display: none;
            margin: 13px 0 0;
            color: var(--lime);
            font-size: .8rem;
        }

        footer {
            padding: 68px 0 25px;
            background: #07080d;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr .8fr .9fr 1fr;
            gap: 42px;
            padding-bottom: 48px;
        }

        .footer-brand p {
            max-width: 360px;
            margin: 20px 0;
            color: var(--muted);
            font-size: .86rem;
        }

        footer h3 {
            margin: 3px 0 18px;
            color: var(--white);
            font-size: .96rem;
            letter-spacing: -.01em;
        }

        footer a:not(.brand) {
            display: block;
            width: fit-content;
            margin: 9px 0;
            color: var(--muted);
            font-size: .82rem;
        }

        footer a:not(.brand):hover { color: var(--cyan); }

        footer p {
            color: var(--muted);
            font-size: .82rem;
        }

        .trust-line {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
        }

        .trust-line span {
            padding: 6px 9px;
            color: var(--silver);
            border: 1px solid var(--line);
            border-radius: 6px;
            font-size: .68rem;
            font-weight: 700;
        }

        .footer-note {
            margin-top: 18px;
            font-size: .73rem;
            line-height: 1.55;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 25px;
            padding-top: 22px;
            border-top: 1px solid var(--line);
        }

        .footer-bottom p {
            margin: 0;
            font-size: .73rem;
        }

        .floating-help {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            color: var(--cyan);
            background: rgba(0, 0, 0, .72);
            border: 1px solid var(--cyan);
            border-radius: 13px;
            box-shadow: 0 0 18px rgba(0, 240, 255, .5);
            opacity: .72;
            animation: floaty 3.2s ease-in-out infinite;
        }

        .floating-help::before {
            content: "NEW";
            position: absolute;
            top: -9px;
            right: -10px;
            padding: 2px 5px;
            color: var(--ink);
            background: var(--lime);
            font-size: .54rem;
            font-weight: 800;
            animation: pulse 1.7s infinite;
        }

        .floating-help:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 31px rgba(0, 240, 255, .75);
        }

        .floating-help svg { transition: transform .45s ease; }
        .floating-help:hover svg { transform: rotate(360deg); }

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

        @media (max-width: 1024px) {
            .header-inner { gap: 15px; }
            .brand { min-width: 205px; }
            .brand-name { font-size: .86rem; }
            .main-nav a { padding-inline: 8px; font-size: .76rem; }
            .hero-grid { gap: 38px; }
            .matrix, .faq-layout { gap: 42px; }
            .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
            .footer-grid > :last-child { grid-column: 2 / -1; }
        }

        @media (max-width: 768px) {
            .container { width: min(calc(100% - 30px), 620px); }
            .site-header { position: fixed; }
            .header-inner {
                min-height: 68px;
                gap: 10px;
            }
            .brand { min-width: 0; flex: 1; }
            .brand-mark { width: 37px; height: 37px; }
            .brand-name { font-size: .76rem; }
            .brand-name small { font-size: .56rem; }
            .menu-toggle { display: block; }
            .main-nav {
                position: absolute;
                left: 15px;
                right: 15px;
                top: 74px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 10px;
                background: rgba(11, 16, 29, .97);
                border: 1px solid var(--line-bright);
                box-shadow: var(--shadow);
            }
            .main-nav.is-open { display: flex; }
            .main-nav a { padding: 13px; }
            .header-actions { gap: 9px; }
            .login-link { font-size: .72rem; }
            .header-actions .button { padding: 10px 12px; font-size: .7rem; }
            main { padding-top: 68px; }
            .hero { min-height: auto; }
            .hero-grid, .split-grid, .cta-grid, .matrix, .faq-layout {
                grid-template-columns: 1fr;
            }
            .hero-grid {
                gap: 42px;
                padding: 72px 0 92px;
            }
            h1 { font-size: clamp(2.35rem, 11vw, 4rem); }
            .hero-panel { max-width: 560px; }
            .metric-strip { margin-top: -25px; }
            .metrics { grid-template-columns: repeat(2, 1fr); }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .section { padding: 76px 0; }
            .matrix-intro { position: static; }
            .feature-image, .feature-image img { min-height: 350px; }
            .comparison { grid-template-columns: 1fr; }
            .compare-item { min-height: auto; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 22px; }
            .footer-grid > :last-child { grid-column: auto; }
            .footer-bottom { flex-direction: column; gap: 8px; }
        }

        @media (max-width: 520px) {
            .container { width: min(calc(100% - 24px), 480px); }
            .brand-name { max-width: 145px; }
            .login-link { display: none; }
            .header-actions .button { padding: 10px 9px; font-size: .64rem; }
            .hero-grid { padding-top: 58px; }
            .hero-copy { font-size: .94rem; }
            .hero-actions { display: grid; grid-template-columns: 1fr; }
            .hero-actions .button { width: 100%; }
            .metrics { grid-template-columns: 1fr 1fr; }
            .metric { padding: 17px 13px; }
            .metric strong { font-size: 1.35rem; }
            .metric span { font-size: .68rem; }
            .service-row { grid-template-columns: 35px 1fr; gap: 12px; }
            .service-tag { grid-column: 2; width: fit-content; }
            .feature-image, .feature-image img { min-height: 280px; }
            .footer-grid { grid-template-columns: 1fr; }
            .floating-help { left: 12px; bottom: 78px; }
        }

/* roulang page: category3 */
:root {
            --obsidian: #0e0e10;
            --charcoal: #17171a;
            --charcoal-soft: #202024;
            --bronze: #c5a059;
            --bronze-light: #e2c789;
            --amber: #ffbf45;
            --warm-white: #f7f4ed;
            --muted: #aaa7a0;
            --muted-2: #77756f;
            --line: rgba(197, 160, 89, .22);
            --line-light: rgba(255, 255, 255, .1);
            --success: #8fd6a6;
            --radius: 18px;
            --radius-sm: 11px;
            --shadow: 0 24px 70px rgba(0, 0, 0, .32);
            --container: 1180px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background:
                radial-gradient(circle at 78% 10%, rgba(197,160,89,.09), transparent 28rem),
                var(--obsidian);
            color: var(--warm-white);
            font-family: "DM Sans", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .18;
            background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
            background-size: 56px 56px;
            mask-image: linear-gradient(to bottom, black, transparent 75%);
        }

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

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

        button,
        input,
        textarea {
            font: inherit;
        }

        button {
            cursor: pointer;
        }

        :focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 4px;
        }

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

        .site-header {
            position: fixed;
            z-index: 100;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(14, 14, 16, .88);
            border-bottom: 1px solid rgba(197,160,89,.16);
            backdrop-filter: blur(18px);
        }

        .header-inner {
            min-height: 78px;
            display: flex;
            align-items: center;
            gap: 26px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex: 0 0 auto;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            border: 1px solid var(--bronze);
            color: var(--bronze-light);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 15px;
            font-weight: 800;
            letter-spacing: .04em;
            transform: rotate(45deg);
        }

        .brand-mark::first-letter {
            transform: rotate(-45deg);
        }

        .brand-name {
            color: var(--warm-white);
            font-size: 14px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -.01em;
        }

        .brand-name small {
            display: block;
            margin-top: 4px;
            color: var(--bronze-light);
            font-size: 10px;
            font-weight: 500;
            letter-spacing: .08em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 5px;
            margin-left: auto;
        }

        .main-nav a {
            position: relative;
            padding: 10px 13px;
            color: var(--muted);
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            right: 13px;
            bottom: 3px;
            left: 13px;
            height: 1px;
            background: var(--bronze);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform .25s ease;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--warm-white);
        }

        .main-nav a:hover::after,
        .main-nav a.active::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 13px;
            margin-left: 4px;
        }

        .login-link {
            color: var(--muted);
            font-size: 13px;
            font-weight: 600;
        }

        .login-link:hover {
            color: var(--warm-white);
        }

        .button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 47px;
            padding: 0 21px;
            border: 1px solid transparent;
            border-radius: 7px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .01em;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
        }

        .button:hover {
            transform: translateY(-2px);
        }

        .button.primary {
            color: #17120b;
            background: linear-gradient(135deg, var(--bronze-light), var(--bronze));
            box-shadow: 0 9px 25px rgba(197,160,89,.18);
        }

        .button.primary:hover {
            background: linear-gradient(135deg, #f1d99e, var(--amber));
            box-shadow: 0 13px 30px rgba(197,160,89,.27);
        }

        .button.outline {
            color: var(--bronze-light);
            border-color: rgba(197,160,89,.55);
            background: rgba(197,160,89,.06);
        }

        .button.outline:hover {
            border-color: var(--bronze-light);
            background: rgba(197,160,89,.13);
        }

        .menu-toggle {
            display: none;
            width: 43px;
            height: 43px;
            border: 1px solid var(--line);
            border-radius: 8px;
            color: var(--bronze-light);
            background: transparent;
        }

        .menu-toggle span,
        .menu-toggle span::before,
        .menu-toggle span::after {
            width: 19px;
            height: 2px;
            display: block;
            margin: auto;
            background: currentColor;
            transition: transform .25s ease;
        }

        .menu-toggle span {
            position: relative;
        }

        .menu-toggle span::before,
        .menu-toggle span::after {
            content: "";
            position: absolute;
            left: 0;
        }

        .menu-toggle span::before {
            top: -6px;
        }

        .menu-toggle span::after {
            top: 6px;
        }

        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            padding: 145px 0 88px;
            background:
                linear-gradient(90deg, rgba(14,14,16,.98) 14%, rgba(14,14,16,.86) 44%, rgba(14,14,16,.22) 100%),
                url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: auto 0 0;
            height: 170px;
            background: linear-gradient(transparent, var(--obsidian));
        }

        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 5fr 7fr;
            align-items: center;
            gap: 50px;
        }

        .hero-copy {
            position: relative;
            z-index: 2;
            padding: 25px 0 25px 4px;
        }

        .eyebrow,
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--bronze-light);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .16em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .section-kicker::before {
            content: "";
            width: 25px;
            height: 1px;
            background: var(--bronze);
        }

        h1,
        h2,
        h3 {
            margin: 0;
            color: var(--warm-white);
            font-family: "Playfair Display", Georgia, serif;
            line-height: 1.12;
        }

        h1 {
            max-width: 600px;
            margin: 20px 0 22px;
            font-size: clamp(42px, 5vw, 70px);
            letter-spacing: -.045em;
        }

        .hero-copy > p {
            max-width: 535px;
            margin: 0;
            color: #d1cec7;
            font-size: 17px;
            line-height: 1.7;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 13px;
            margin-top: 32px;
        }

        .hero-note {
            display: flex;
            align-items: center;
            gap: 9px;
            margin-top: 23px;
            color: var(--muted);
            font-size: 12px;
        }

        .hero-note strong {
            color: var(--success);
            font-weight: 600;
        }

        .hero-visual {
            position: relative;
            min-height: 435px;
            margin-right: -8vw;
            transform: translate(28px, 24px) rotate(2.2deg);
        }

        .hero-image {
            position: absolute;
            inset: 0 0 0 7%;
            overflow: hidden;
            border: 1px solid rgba(226,199,137,.6);
            border-radius: 17px;
            box-shadow: var(--shadow);
        }

        .hero-image::before {
            content: "";
            position: absolute;
            z-index: 1;
            inset: 0;
            background: linear-gradient(145deg, rgba(197,160,89,.2), transparent 40%, rgba(0,0,0,.58));
        }

        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: saturate(.82) contrast(1.06);
        }

        .hero-panel {
            position: absolute;
            z-index: 3;
            right: 4%;
            bottom: -28px;
            width: min(265px, 48%);
            padding: 20px;
            border: 1px solid rgba(226,199,137,.38);
            border-radius: 12px;
            background: rgba(23,23,26,.93);
            box-shadow: 0 20px 42px rgba(0,0,0,.45);
            transform: rotate(-3.5deg);
        }

        .hero-panel-label {
            color: var(--muted-2);
            font-size: 10px;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
        }

        .hero-panel strong {
            display: block;
            margin: 7px 0 12px;
            color: var(--bronze-light);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 27px;
        }

        .mini-progress {
            height: 5px;
            overflow: hidden;
            border-radius: 100px;
            background: #343438;
        }

        .mini-progress span {
            display: block;
            width: 78%;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--bronze), var(--amber));
        }

        .hero-panel small {
            display: block;
            margin-top: 9px;
            color: var(--muted);
            font-size: 11px;
        }

        .metrics {
            position: relative;
            z-index: 3;
            margin-top: -28px;
        }

        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(23,23,26,.91);
            box-shadow: 0 18px 45px rgba(0,0,0,.2);
        }

        .metric {
            padding: 22px 25px;
            border-right: 1px solid var(--line-light);
        }

        .metric:last-child {
            border-right: 0;
        }

        .metric strong {
            display: block;
            color: var(--bronze-light);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 27px;
            line-height: 1.1;
        }

        .metric span {
            display: block;
            margin-top: 5px;
            color: var(--muted);
            font-size: 12px;
        }

        .section {
            padding: 110px 0;
        }

        .section-header {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 35px;
            margin-bottom: 42px;
        }

        .section-header h2 {
            max-width: 650px;
            margin-top: 14px;
            font-size: clamp(30px, 4vw, 49px);
            letter-spacing: -.035em;
        }

        .section-header > p {
            max-width: 380px;
            margin: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .insight-layout {
            display: grid;
            grid-template-columns: 1.06fr .94fr;
            gap: 72px;
            align-items: start;
        }

        .insight-lead {
            margin: 0;
            color: #d4d0c8;
            font-size: 19px;
            line-height: 1.72;
        }

        .insight-list {
            margin: 31px 0 0;
            padding: 0;
            list-style: none;
        }

        .insight-list li {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-top: 1px solid var(--line-light);
            color: #c3c0ba;
        }

        .insight-list li:last-child {
            border-bottom: 1px solid var(--line-light);
        }

        .list-number {
            flex: 0 0 29px;
            color: var(--bronze);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 21px;
        }

        .insight-list strong {
            display: block;
            margin-bottom: 3px;
            color: var(--warm-white);
            font-size: 15px;
        }

        .insight-list span {
            display: block;
            color: var(--muted);
            font-size: 13px;
        }

        .photo-stack {
            position: relative;
            min-height: 450px;
        }

        .photo-main,
        .photo-small {
            position: absolute;
            overflow: hidden;
            border-radius: var(--radius);
            border: 1px solid var(--line);
        }

        .photo-main {
            inset: 0 0 45px 15%;
        }

        .photo-small {
            z-index: 2;
            right: auto;
            bottom: 0;
            left: 0;
            width: 45%;
            height: 190px;
        }

        .photo-main img,
        .photo-small img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(.78) saturate(.8);
        }

        .photo-caption {
            position: absolute;
            z-index: 3;
            right: 24px;
            bottom: 23px;
            max-width: 230px;
            padding: 14px 16px;
            border-left: 2px solid var(--bronze);
            background: rgba(14,14,16,.84);
            color: var(--warm-white);
            font-size: 13px;
            line-height: 1.45;
        }

        .matrix-section {
            background: #131316;
            border-top: 1px solid rgba(255,255,255,.04);
            border-bottom: 1px solid rgba(255,255,255,.04);
        }

        .matrix-layout {
            display: grid;
            grid-template-columns: .75fr 1.25fr;
            gap: 70px;
        }

        .matrix-intro h2 {
            margin: 14px 0 18px;
            font-size: clamp(32px, 4vw, 48px);
        }

        .matrix-intro p {
            max-width: 360px;
            margin: 0;
            color: var(--muted);
        }

        .matrix-table {
            border-top: 1px solid var(--line);
        }

        .matrix-row {
            display: grid;
            grid-template-columns: 1.05fr 1fr 1fr;
            gap: 17px;
            padding: 19px 0;
            border-bottom: 1px solid var(--line-light);
        }

        .matrix-row.header {
            padding-top: 0;
            color: var(--bronze-light);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .13em;
            text-transform: uppercase;
        }

        .matrix-row > div {
            color: var(--muted);
            font-size: 14px;
        }

        .matrix-row > div:first-child {
            color: var(--warm-white);
            font-weight: 600;
        }

        .check {
            color: var(--success) !important;
        }

        .process {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            margin-top: 10px;
        }

        .process-item {
            position: relative;
            padding: 12px 38px 12px 0;
        }

        .process-item:not(:last-child)::after {
            content: "";
            position: absolute;
            top: 39px;
            right: 23px;
            width: 40px;
            border-top: 1px solid var(--bronze);
            opacity: .65;
        }

        .process-item:not(:last-child)::before {
            content: "";
            position: absolute;
            top: 35px;
            right: 18px;
            width: 8px;
            height: 8px;
            border-top: 1px solid var(--bronze);
            border-right: 1px solid var(--bronze);
            transform: rotate(45deg);
        }

        .process-number {
            display: grid;
            width: 51px;
            height: 51px;
            place-items: center;
            margin-bottom: 21px;
            border: 1px solid var(--bronze);
            border-radius: 50%;
            color: var(--bronze-light);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 20px;
        }

        .process-item h3 {
            margin-bottom: 9px;
            font-size: 21px;
        }

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

        .principles {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px 80px;
            padding-top: 14px;
        }

        .principle {
            display: grid;
            grid-template-columns: 42px 1fr;
            gap: 17px;
            padding: 25px 0;
            border-top: 1px solid var(--line-light);
        }

        .principle-icon {
            display: grid;
            width: 39px;
            height: 39px;
            place-items: center;
            border: 1px solid var(--line);
            border-radius: 50%;
            color: var(--bronze-light);
            font-size: 15px;
        }

        .principle h3 {
            margin-bottom: 6px;
            font-size: 19px;
        }

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

        .faq-section {
            padding-top: 45px;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 75px;
        }

        .faq-intro h2 {
            margin: 14px 0 16px;
            font-size: clamp(31px, 4vw, 46px);
        }

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

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            padding: 21px 0;
            border: 0;
            color: var(--warm-white);
            background: transparent;
            text-align: left;
            font-weight: 600;
        }

        .faq-question span {
            flex: 0 0 auto;
            color: var(--bronze);
            font-size: 23px;
            font-weight: 400;
            transition: transform .25s ease;
        }

        .faq-item.open .faq-question span {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            color: var(--muted);
            font-size: 14px;
            transition: max-height .35s ease, padding .35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 160px;
            padding: 0 44px 21px 0;
        }

        .cta-section {
            padding: 80px 0 110px;
        }

        .cta-box {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            align-items: center;
            gap: 50px;
            padding: 52px 60px;
            border: 1px solid rgba(226,199,137,.42);
            border-radius: var(--radius);
            background:
                linear-gradient(110deg, rgba(197,160,89,.16), rgba(23,23,26,.93) 60%),
                url("/assets/images/backpic/back-3.jpg") center/cover;
            box-shadow: var(--shadow);
        }

        .cta-box::after {
            content: "18+";
            position: absolute;
            right: 22px;
            bottom: -35px;
            color: rgba(226,199,137,.08);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 180px;
            font-weight: 800;
            line-height: 1;
        }

        .cta-box h2 {
            max-width: 600px;
            margin: 12px 0 15px;
            font-size: clamp(29px, 4vw, 46px);
        }

        .cta-box p {
            max-width: 595px;
            margin: 0;
            color: #d0cbc1;
        }

        .cta-form {
            position: relative;
            z-index: 2;
            padding: 23px;
            border: 1px solid var(--line);
            border-radius: 13px;
            background: rgba(14,14,16,.7);
        }

        .cta-form label {
            display: block;
            margin-bottom: 7px;
            color: var(--bronze-light);
            font-size: 12px;
            font-weight: 600;
        }

        .cta-form input {
            width: 100%;
            height: 46px;
            margin: 0 0 12px;
            padding: 0 13px;
            border: 1px solid rgba(255,255,255,.16);
            border-radius: 7px;
            outline: none;
            color: var(--warm-white);
            background: rgba(255,255,255,.06);
        }

        .cta-form input::placeholder {
            color: #77756f;
        }

        .cta-form input:focus {
            border-color: var(--bronze);
            box-shadow: 0 0 0 3px rgba(197,160,89,.13);
        }

        .cta-form .button {
            width: 100%;
        }

        .form-message {
            display: none;
            margin-top: 10px;
            color: var(--success);
            font-size: 12px;
        }

        footer {
            padding: 70px 0 24px;
            border-top: 1px solid rgba(197,160,89,.2);
            background: #0a0a0c;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.45fr .8fr .9fr 1fr;
            gap: 44px;
            padding-bottom: 48px;
        }

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

        .footer-brand > p {
            max-width: 340px;
            margin: 0 0 20px;
            color: var(--muted);
            font-size: 13px;
        }

        .trust-line {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
        }

        .trust-line span {
            padding: 5px 8px;
            border: 1px solid var(--line);
            border-radius: 5px;
            color: var(--bronze-light);
            font-size: 10px;
            font-weight: 700;
            letter-spacing: .06em;
        }

        footer h3 {
            margin-bottom: 17px;
            color: var(--warm-white);
            font-family: "DM Sans", Arial, sans-serif;
            font-size: 14px;
            font-weight: 700;
        }

        footer a {
            display: block;
            width: fit-content;
            margin-bottom: 10px;
            color: var(--muted);
            font-size: 13px;
        }

        footer a:hover {
            color: var(--bronze-light);
            transform: translateX(3px);
        }

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

        .footer-note {
            margin-top: 14px;
            color: var(--muted-2);
            font-size: 11px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding-top: 22px;
            border-top: 1px solid var(--line-light);
        }

        .footer-bottom p {
            color: var(--muted-2);
            font-size: 11px;
        }

        .fab {
            position: fixed;
            z-index: 50;
            left: 16px;
            bottom: 96px;
            width: 57px;
            height: 57px;
            display: grid;
            place-items: center;
            border: 1px solid var(--bronze);
            border-radius: 50%;
            color: var(--bronze-light);
            background: rgba(15,15,17,.88);
            box-shadow: 0 0 18px rgba(197,160,89,.32);
            opacity: .76;
            transition: opacity .25s ease, transform .25s ease, box-shadow .25s ease;
            animation: float 3.8s ease-in-out infinite;
        }

        .fab::before {
            content: "";
            position: absolute;
            inset: 4px;
            border: 1px dashed rgba(226,199,137,.55);
            border-radius: inherit;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(197,160,89,.55);
        }

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

        .fab-icon {
            position: relative;
            z-index: 1;
            font-size: 22px;
            transition: transform .45s ease;
        }

        .fab-dot {
            position: absolute;
            z-index: 2;
            top: 3px;
            right: 3px;
            width: 10px;
            height: 10px;
            border: 2px solid var(--obsidian);
            border-radius: 50%;
            background: #e44747;
            animation: blink 1.8s infinite;
        }

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

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

        @media (max-width: 1100px) {
            .main-nav {
                gap: 0;
            }

            .main-nav a {
                padding-inline: 8px;
                font-size: 12px;
            }

            .hero-visual {
                margin-right: -30px;
                transform: translate(8px, 24px) rotate(2deg);
            }

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

        @media (max-width: 900px) {
            .header-inner {
                min-height: 70px;
            }

            .main-nav {
                position: absolute;
                top: 70px;
                right: 20px;
                left: 20px;
                display: none;
                align-items: stretch;
                flex-direction: column;
                padding: 12px;
                border: 1px solid var(--line);
                border-radius: 12px;
                background: rgba(23,23,26,.98);
                box-shadow: var(--shadow);
            }

            .main-nav.is-open {
                display: flex;
            }

            .main-nav a {
                padding: 13px 14px;
            }

            .header-actions {
                margin-left: auto;
            }

            .menu-toggle {
                display: block;
            }

            .hero {
                min-height: auto;
                padding-top: 125px;
            }

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

            .hero-copy {
                max-width: 720px;
            }

            .hero-visual {
                min-height: 390px;
                margin: 0 0 20px;
                transform: rotate(1deg);
            }

            .insight-layout,
            .matrix-layout,
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 45px;
            }

            .photo-stack {
                max-width: 680px;
            }

            .cta-box {
                grid-template-columns: 1fr;
                padding: 42px;
            }
        }

        @media (max-width: 650px) {
            .container {
                width: min(100% - 28px, var(--container));
            }

            .header-inner {
                gap: 12px;
            }

            .brand-name {
                max-width: 165px;
                font-size: 12px;
            }

            .brand-name small {
                font-size: 8px;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
            }

            .header-actions {
                gap: 8px;
            }

            .login-link {
                font-size: 11px;
            }

            .header-actions .button {
                min-height: 39px;
                padding: 0 12px;
                font-size: 11px;
            }

            .menu-toggle {
                width: 39px;
                height: 39px;
            }

            h1 {
                font-size: clamp(36px, 11vw, 55px);
            }

            .hero-copy > p {
                font-size: 15px;
            }

            .hero-visual {
                min-height: 300px;
            }

            .hero-panel {
                right: 2%;
                bottom: -23px;
                width: 52%;
                padding: 15px;
            }

            .hero-panel strong {
                font-size: 21px;
            }

            .metric-strip {
                grid-template-columns: 1fr 1fr;
            }

            .metric {
                padding: 17px;
                border-bottom: 1px solid var(--line-light);
            }

            .metric:nth-child(2) {
                border-right: 0;
            }

            .metric:nth-child(3),
            .metric:nth-child(4) {
                border-bottom: 0;
            }

            .metric strong {
                font-size: 23px;
            }

            .section {
                padding: 78px 0;
            }

            .section-header {
                display: block;
                margin-bottom: 31px;
            }

            .section-header > p {
                margin-top: 17px;
            }

            .insight-lead {
                font-size: 17px;
            }

            .photo-stack {
                min-height: 335px;
            }

            .photo-small {
                height: 145px;
            }

            .matrix-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .matrix-row.header > div:nth-child(3),
            .matrix-row > div:nth-child(3) {
                display: none;
            }

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

            .process-item {
                padding: 0 0 0 73px;
            }

            .process-item:not(:last-child)::after,
            .process-item:not(:last-child)::before {
                display: none;
            }

            .process-number {
                position: absolute;
                left: 0;
                top: 0;
            }

            .principles {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .cta-section {
                padding: 55px 0 78px;
            }

            .cta-box {
                padding: 30px 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 34px 22px;
            }

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

            .footer-bottom {
                display: block;
            }

            .footer-bottom p + p {
                margin-top: 8px;
            }
        }

        @media (max-width: 390px) {
            .brand-name {
                max-width: 126px;
            }

            .login-link {
                display: none;
            }

            .header-actions .button {
                padding-inline: 10px;
            }
        }