/* roulang page: index */
:root {
            --ink: #121212;
            --coal: #1c1c1e;
            --coal-2: #242426;
            --bronze: #c5a059;
            --amber: #ffbf00;
            --cream: #f5f5f7;
            --muted: #a9a9ae;
            --line: rgba(197,160,89,.23);
            --line-light: rgba(255,255,255,.1);
            --shadow: 0 24px 70px rgba(0,0,0,.3);
            --radius: 20px;
            --container: 1180px;
            --ease: 220ms ease;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            background: var(--ink);
            color: var(--cream);
            font-family: "DM Sans", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.62;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .18;
            background-image: linear-gradient(rgba(197,160,89,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(197,160,89,.05) 1px, transparent 1px);
            background-size: 54px 54px;
            mask-image: linear-gradient(to bottom, black, transparent 75%);
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--amber);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .16em;
            text-transform: uppercase;
        }
        .eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--amber); }
        .section { padding: 108px 0; position: relative; }
        .section-head { max-width: 700px; margin-bottom: 44px; }
        .section-head h2 {
            margin: 14px 0 13px;
            font: 700 clamp(30px, 4vw, 49px)/1.12 "Playfair Display", Georgia, serif;
            letter-spacing: -.02em;
        }
        .section-head p { margin: 0; color: var(--muted); max-width: 650px; }
        .topbar {
            position: fixed;
            z-index: 30;
            inset: 0 0 auto;
            height: 78px;
            background: rgba(18,18,18,.82);
            border-bottom: 1px solid var(--line-light);
            backdrop-filter: blur(18px);
        }
        .nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
        .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 205px; }
        .brand-mark {
            width: 38px; height: 38px; display: grid; place-items: center;
            border: 1px solid var(--bronze); color: var(--amber); border-radius: 50%;
            font-family: Georgia, serif; font-weight: 700; font-size: 18px;
            box-shadow: 0 0 20px rgba(197,160,89,.15);
        }
        .brand-text { font-size: 13px; line-height: 1.2; font-weight: 700; letter-spacing: .04em; }
        .brand-text span { display: block; color: var(--bronze); font-size: 10px; font-weight: 500; margin-top: 3px; letter-spacing: .12em; text-transform: uppercase; }
        .nav-menu { display: flex; align-items: center; justify-content: center; gap: 4px; }
        .nav-menu a {
            padding: 9px 13px; color: var(--muted); font-size: 13px; border-radius: 10px;
            transition: var(--ease);
        }
        .nav-menu a:hover, .nav-menu a.active { color: var(--cream); background: rgba(197,160,89,.1); }
        .nav-actions { display: flex; align-items: center; gap: 14px; min-width: 205px; justify-content: flex-end; }
        .login-link { color: var(--muted); font-size: 13px; transition: var(--ease); }
        .login-link:hover { color: var(--amber); }
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 10px;
            min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 10px;
            font-size: 13px; font-weight: 700; transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease);
        }
        .btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(255,191,0,.5); outline-offset: 3px; }
        .btn-primary { background: var(--amber); color: #1a1508; box-shadow: 0 10px 24px rgba(255,191,0,.16); }
        .btn-primary:hover { transform: translateY(-2px); background: #ffd04a; box-shadow: 0 14px 30px rgba(255,191,0,.26); }
        .btn-ghost { border-color: var(--line); color: var(--cream); background: rgba(255,255,255,.03); }
        .btn-ghost:hover { border-color: var(--amber); color: var(--amber); transform: translateY(-2px); }
        .nav-toggle { display: none; border: 0; background: none; color: var(--cream); font-size: 25px; }
        .hero {
            min-height: 710px; padding: 164px 0 100px; display: flex; align-items: center;
            background: linear-gradient(90deg, rgba(18,18,18,.96) 12%, rgba(18,18,18,.72) 53%, rgba(18,18,18,.35)), url('/assets/images/backpic/back-1.jpg') center/cover;
            position: relative; isolation: isolate;
        }
        .hero::after { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(circle at 76% 34%, rgba(197,160,89,.2), transparent 28%); }
        .hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 80px; align-items: center; }
        .hero-copy { max-width: 670px; }
        .hero h1 {
            margin: 18px 0 22px; font: 800 clamp(42px, 5.8vw, 74px)/1.04 "Playfair Display", Georgia, serif;
            letter-spacing: -.045em;
        }
        .hero h1 em { color: var(--amber); font-style: normal; }
        .hero-intro { margin: 0; max-width: 600px; color: #d3d1d5; font-size: 17px; line-height: 1.7; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 33px; }
        .hero-points { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 42px; }
        .hero-point { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 12px; }
        .hero-point b { color: var(--amber); font-size: 19px; display: block; line-height: 1; }
        .hero-stage { position: relative; min-height: 430px; display: flex; align-items: center; justify-content: center; }
        .stage-orbit { position: absolute; width: 390px; height: 390px; border: 1px solid rgba(197,160,89,.25); border-radius: 50%; transform: rotate(-18deg); }
        .stage-orbit::before, .stage-orbit::after { content: ""; position: absolute; border: 1px solid rgba(255,191,0,.18); border-radius: 50%; inset: 28px; }
        .stage-orbit::after { inset: 67px; }
        .hero-panel {
            width: min(100%, 380px); padding: 25px; position: relative; z-index: 1;
            background: rgba(28,28,30,.88); border: 1px solid var(--line); border-radius: var(--radius);
            box-shadow: var(--shadow); transform: rotate(3deg);
        }
        .panel-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 19px; border-bottom: 1px solid var(--line-light); }
        .panel-title { font: 700 19px "Playfair Display", Georgia, serif; }
        .live-dot { display: inline-flex; gap: 7px; align-items: center; color: #d7b978; font-size: 11px; }
        .live-dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #8ac28a; box-shadow: 0 0 12px #8ac28a; }
        .panel-score { padding: 24px 0 20px; }
        .panel-score small { color: var(--muted); display: block; font-size: 11px; }
        .panel-score strong { display: block; color: var(--amber); font: 700 41px/1.1 "Playfair Display", Georgia, serif; margin-top: 5px; }
        .progress { height: 6px; border-radius: 99px; background: #3a3939; overflow: hidden; margin: 15px 0 9px; }
        .progress i { display: block; width: 78%; height: 100%; background: linear-gradient(90deg, var(--bronze), var(--amber)); border-radius: inherit; }
        .panel-row { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }
        .panel-links { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 20px; }
        .panel-links div { padding: 12px; border: 1px solid var(--line-light); border-radius: 10px; color: #dedce0; font-size: 12px; }
        .panel-links b { color: var(--amber); display: block; margin-bottom: 2px; font-size: 15px; }
        .metric-strip { background: var(--coal); border-block: 1px solid var(--line-light); }
        .metrics { display: grid; grid-template-columns: repeat(4, 1fr); }
        .metric { padding: 27px 26px; border-right: 1px solid var(--line-light); }
        .metric:last-child { border: 0; }
        .metric strong { display: block; color: var(--amber); font: 700 31px "Playfair Display", Georgia, serif; }
        .metric span { color: var(--muted); font-size: 12px; }
        .games-section { background: #161618; }
        .game-layout { display: grid; grid-template-columns: .76fr 1.24fr; gap: 58px; align-items: start; }
        .intro-note { padding-left: 22px; border-left: 2px solid var(--bronze); color: #cecbd0; max-width: 380px; }
        .intro-note p { margin: 0; font-size: 15px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { position: relative; min-height: 245px; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: var(--coal); transition: var(--ease); }
        .game-card:hover { transform: translateY(-5px); border-color: var(--amber); box-shadow: 0 14px 35px rgba(197,160,89,.13); }
        .game-card img { width: 100%; height: 245px; object-fit: cover; opacity: .72; transition: transform .5s ease, opacity .5s ease; }
        .game-card:hover img { transform: scale(1.06); opacity: .88; }
        .game-card::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(18,18,18,.98)); }
        .game-info { position: absolute; z-index: 1; left: 18px; right: 18px; bottom: 16px; }
        .game-info h3 { margin: 0 0 4px; font: 700 20px "Playfair Display", Georgia, serif; }
        .game-info p { margin: 0; color: #c0bdc2; font-size: 12px; }
        .tag { display: inline-flex; padding: 4px 8px; border: 1px solid rgba(255,191,0,.45); border-radius: 5px; color: var(--amber); font-size: 10px; font-weight: 700; letter-spacing: .08em; margin-bottom: 8px; }
        .criteria-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .criteria-feature { min-height: 370px; padding: 34px; display: flex; align-items: end; background: linear-gradient(0deg, rgba(18,18,18,.94), rgba(18,18,18,.1)), url('/assets/images/coverpic/cover-4.jpg') center/cover; border-radius: var(--radius); border: 1px solid var(--line); }
        .criteria-feature h3 { margin: 0; font: 700 29px/1.2 "Playfair Display", Georgia, serif; }
        .criteria-list { display: grid; gap: 12px; }
        .criteria-item { padding: 21px 23px; border-bottom: 1px solid var(--line-light); }
        .criteria-item:first-child { border-top: 1px solid var(--line-light); }
        .criteria-item strong { display: flex; align-items: center; gap: 12px; font-size: 16px; }
        .criteria-item strong::before { content: "✓"; width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid var(--bronze); border-radius: 50%; color: var(--amber); font-size: 12px; }
        .criteria-item p { margin: 8px 0 0 36px; color: var(--muted); font-size: 13px; }
        .guide-section { background: var(--coal); }
        .guide-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: center; }
        .steps { border-top: 1px solid var(--line); }
        .step { display: grid; grid-template-columns: 55px 1fr; gap: 17px; padding: 23px 0; border-bottom: 1px solid var(--line-light); }
        .step-num { color: var(--amber); font: 700 24px "Playfair Display", Georgia, serif; }
        .step h3 { margin: 0 0 5px; font-size: 16px; }
        .step p { margin: 0; color: var(--muted); font-size: 13px; }
        .guide-image { position: relative; }
        .guide-image img { height: 410px; width: 100%; object-fit: cover; border-radius: 18px; border: 1px solid var(--line); }
        .download-badge { position: absolute; bottom: 18px; left: 18px; background: rgba(18,18,18,.9); border: 1px solid var(--line); padding: 15px 18px; border-radius: 11px; font-size: 12px; }
        .download-badge b { display: block; color: var(--amber); margin-bottom: 2px; }
        .updates { display: grid; grid-template-columns: 1fr .72fr; gap: 50px; }
        .update-list { border-top: 1px solid var(--line); }
        .update-item { display: grid; grid-template-columns: 100px 1fr auto; gap: 18px; align-items: center; padding: 19px 0; border-bottom: 1px solid var(--line-light); }
        .update-item time, .update-item small { color: var(--bronze); font-size: 11px; }
        .update-item h3 { margin: 0 0 3px; font-size: 15px; }
        .update-item p { margin: 0; color: var(--muted); font-size: 12px; }
        .update-item .arrow { color: var(--amber); font-size: 20px; }
        .side-note { padding: 29px; background: linear-gradient(135deg, #292622, #1b1b1d); border: 1px solid var(--line); border-radius: var(--radius); }
        .side-note h3 { margin: 0 0 13px; font: 700 25px "Playfair Display", Georgia, serif; }
        .side-note p { margin: 0 0 22px; color: var(--muted); font-size: 13px; }
        .chips { display: flex; flex-wrap: wrap; gap: 8px; }
        .chip { padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; color: #d9c28e; font-size: 11px; }
        .compare-section { background: linear-gradient(120deg, #121212, #201d18); }
        .compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .compare-box { padding: 31px; border-radius: var(--radius); border: 1px solid var(--line-light); }
        .compare-box.highlight { border-color: var(--bronze); background: rgba(197,160,89,.07); }
        .compare-box h3 { margin: 0 0 21px; font: 700 25px "Playfair Display", Georgia, serif; }
        .compare-box ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 13px; }
        .compare-box li { color: var(--muted); font-size: 13px; padding-left: 25px; position: relative; }
        .compare-box li::before { content: "—"; position: absolute; left: 0; color: var(--bronze); }
        .compare-box.highlight li::before { content: "✦"; color: var(--amber); }
        .faq-wrap { max-width: 850px; }
        .faq-item { border-top: 1px solid var(--line-light); }
        .faq-item:last-child { border-bottom: 1px solid var(--line-light); }
        .faq-question { width: 100%; padding: 22px 0; display: flex; justify-content: space-between; gap: 25px; background: none; border: 0; color: var(--cream); text-align: left; font-weight: 700; }
        .faq-question span { color: var(--amber); font-size: 22px; transition: transform var(--ease); }
        .faq-answer { max-height: 0; overflow: hidden; color: var(--muted); font-size: 13px; transition: max-height .35s ease, padding .35s ease; }
        .faq-item.open .faq-answer { max-height: 160px; padding: 0 35px 21px 0; }
        .faq-item.open .faq-question span { transform: rotate(45deg); }
        .cta-section { padding: 90px 0; text-align: center; background: radial-gradient(circle at center, rgba(197,160,89,.2), transparent 55%), var(--coal); border-top: 1px solid var(--line); }
        .cta-section h2 { margin: 13px auto; max-width: 720px; font: 700 clamp(31px, 4.5vw, 54px)/1.12 "Playfair Display", Georgia, serif; }
        .cta-section p { max-width: 620px; margin: 0 auto 28px; color: var(--muted); }
        .site-footer { padding: 55px 0 25px; background: #0d0d0e; border-top: 1px solid var(--line-light); }
        .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 42px; padding-bottom: 42px; }
        .footer-title { margin: 0 0 15px; color: var(--cream); font-size: 13px; font-weight: 700; }
        .footer-col p, .footer-col a { color: var(--muted); font-size: 12px; line-height: 1.8; }
        .footer-col p { margin: 0; }
        .footer-col a { display: block; transition: var(--ease); }
        .footer-col a:hover { color: var(--amber); }
        .responsible { padding: 15px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); font-size: 11px; }
        .responsible b { color: var(--amber); display: block; margin-bottom: 4px; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid var(--line-light); color: #77777d; font-size: 11px; }
        .fab {
            position: fixed; left: 16px; bottom: 96px; z-index: 50; width: 56px; height: 56px;
            display: grid; place-items: center; border-radius: 50%; color: var(--amber);
            background: #151515; border: 2px solid var(--amber); box-shadow: 0 4px 20px rgba(255,191,0,.3);
            opacity: .72; transition: var(--ease); animation: float 3s ease-in-out infinite;
        }
        .fab:hover { opacity: 1; transform: scale(1.1); }
        .fab::after { content: "18+"; position: absolute; right: -5px; top: -8px; display: grid; place-items: center; width: 22px; height: 22px; color: #211807; background: var(--amber); border-radius: 50%; font-size: 9px; font-weight: 700; }
        @keyframes float { 0%,100% { translate: 0 0; } 50% { translate: 0 -5px; } }
        @media (max-width: 1024px) {
            .hero-grid, .game-layout, .guide-grid { gap: 40px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .nav-menu { gap: 0; }
            .nav-menu a { padding-inline: 8px; }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--container), calc(100% - 34px)); }
            .topbar { height: 70px; }
            .brand { min-width: 0; }
            .brand-text { max-width: 165px; }
            .nav-toggle { display: block; }
            .nav-menu {
                display: none; position: absolute; top: 70px; left: 17px; right: 17px; padding: 10px;
                flex-direction: column; align-items: stretch; background: rgba(28,28,30,.98);
                border: 1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow);
            }
            .nav-menu.show { display: flex; }
            .nav-menu a { padding: 12px; }
            .nav-actions { min-width: auto; gap: 10px; }
            .login-link { display: none; }
            .nav-actions .btn { min-height: 40px; padding: 0 13px; font-size: 11px; }
            .hero { min-height: auto; padding: 134px 0 75px; }
            .hero-grid, .game-layout, .guide-grid, .updates, .criteria-layout, .compare-grid { grid-template-columns: 1fr; }
            .hero-stage { min-height: 370px; margin-top: 10px; }
            .section { padding: 76px 0; }
            .metrics { grid-template-columns: 1fr 1fr; }
            .metric { border-bottom: 1px solid var(--line-light); }
            .game-grid { grid-template-columns: 1fr 1fr; }
            .game-layout .section-head { margin-bottom: 18px; }
            .updates { gap: 30px; }
        }
        @media (max-width: 520px) {
            .brand-mark { width: 33px; height: 33px; font-size: 15px; }
            .brand-text { font-size: 11px; max-width: 130px; }
            .brand-text span { font-size: 8px; }
            .nav-actions .btn { padding: 0 10px; }
            .hero h1 { font-size: 39px; }
            .hero-intro { font-size: 15px; }
            .hero-actions .btn { width: 100%; }
            .hero-points { gap: 13px; margin-top: 30px; }
            .hero-stage { min-height: 315px; }
            .stage-orbit { width: 290px; height: 290px; }
            .hero-panel { max-width: 310px; padding: 20px; }
            .panel-score strong { font-size: 33px; }
            .metrics { grid-template-columns: 1fr 1fr; }
            .metric { padding: 20px 15px; }
            .metric strong { font-size: 25px; }
            .game-grid { grid-template-columns: 1fr; }
            .game-card, .game-card img { min-height: 225px; height: 225px; }
            .criteria-feature { min-height: 275px; }
            .update-item { grid-template-columns: 72px 1fr; gap: 10px; }
            .update-item .arrow { display: none; }
            .footer-grid { grid-template-columns: 1fr; gap: 25px; }
            .footer-bottom { flex-direction: column; }
        }

/* roulang page: article */
:root {
            --ink: #121212;
            --coal: #1c1c1e;
            --coal-2: #242426;
            --coal-3: #303034;
            --bronze: #c5a059;
            --amber: #ffbf00;
            --cream: #f5f5f7;
            --muted: #a9a9ae;
            --soft: #d9d7d1;
            --line: rgba(197,160,89,.23);
            --line-light: rgba(255,255,255,.1);
            --shadow: 0 24px 70px rgba(0,0,0,.3);
            --radius: 20px;
            --container: 1180px;
            --ease: 220ms ease;
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            background: var(--ink);
            color: var(--cream);
            font-family: "DM Sans", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.62;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .18;
            background-image:
                linear-gradient(rgba(197,160,89,.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(197,160,89,.05) 1px, transparent 1px);
            background-size: 54px 54px;
            mask-image: linear-gradient(to bottom, black, transparent 75%);
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        .container {
            width: min(var(--container), calc(100% - 48px));
            margin-inline: auto;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--amber);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .16em;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--amber);
        }
        .topbar {
            position: fixed;
            z-index: 30;
            inset: 0 0 auto;
            height: 78px;
            background: rgba(18,18,18,.86);
            border-bottom: 1px solid var(--line-light);
            backdrop-filter: blur(18px);
        }
        .nav-wrap {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 205px;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            border: 1px solid var(--bronze);
            color: var(--amber);
            border-radius: 50%;
            font-family: Georgia, serif;
            font-weight: 700;
            font-size: 18px;
            box-shadow: 0 0 20px rgba(197,160,89,.15);
        }
        .brand-text {
            font-size: 13px;
            line-height: 1.2;
            font-weight: 700;
            letter-spacing: .04em;
        }
        .brand-text span {
            display: block;
            color: var(--bronze);
            font-size: 10px;
            font-weight: 500;
            margin-top: 3px;
            letter-spacing: .12em;
            text-transform: uppercase;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }
        .nav-menu a {
            padding: 9px 13px;
            color: var(--muted);
            font-size: 13px;
            border-radius: 10px;
            transition: var(--ease);
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--cream);
            background: rgba(197,160,89,.1);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            min-width: 205px;
            justify-content: flex-end;
        }
        .login-link {
            color: var(--soft);
            font-size: 13px;
            font-weight: 600;
            transition: color var(--ease);
        }
        .login-link:hover { color: var(--amber); }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 46px;
            padding: 0 20px;
            border: 1px solid transparent;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 700;
            transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(255,191,0,.5);
            outline-offset: 3px;
        }
        .btn-primary {
            background: var(--amber);
            color: #1a1508;
            box-shadow: 0 10px 24px rgba(255,191,0,.16);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            background: #ffd04a;
            box-shadow: 0 14px 30px rgba(255,191,0,.26);
        }
        .btn-ghost {
            border-color: var(--line);
            color: var(--cream);
            background: rgba(255,255,255,.03);
        }
        .btn-ghost:hover {
            border-color: var(--amber);
            color: var(--amber);
            transform: translateY(-2px);
        }
        .nav-toggle {
            display: none;
            border: 0;
            background: none;
            color: var(--cream);
            font-size: 25px;
        }

        .article-banner {
            min-height: 410px;
            padding: 146px 0 72px;
            position: relative;
            isolation: isolate;
            display: flex;
            align-items: end;
            background:
                linear-gradient(90deg, rgba(18,18,18,.97) 8%, rgba(18,18,18,.78) 58%, rgba(18,18,18,.5)),
                url('/assets/images/backpic/back-2.jpg') center/cover;
        }
        .article-banner::after {
            content: "";
            position: absolute;
            z-index: -1;
            inset: 0;
            background: radial-gradient(circle at 78% 26%, rgba(197,160,89,.24), transparent 30%);
        }
        .banner-copy { max-width: 850px; }
        .banner-copy h1 {
            margin: 18px 0 18px;
            font: 800 clamp(36px, 5vw, 66px)/1.08 "Playfair Display", Georgia, serif;
            letter-spacing: -.04em;
        }
        .banner-copy p {
            max-width: 760px;
            margin: 0;
            color: #d3d1d5;
            font-size: 17px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-top: 27px;
            color: var(--muted);
            font-size: 13px;
        }
        .meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 11px;
            border: 1px solid var(--line);
            border-radius: 99px;
            color: var(--bronze);
            background: rgba(197,160,89,.07);
        }
        .meta-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--amber);
        }

        main { position: relative; }
        .article-section { padding: 84px 0 105px; }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 720px) 300px;
            gap: 78px;
            align-items: start;
            justify-content: center;
        }
        .article-body {
            min-width: 0;
            color: #d9d7dc;
            font-size: 17px;
            line-height: 1.78;
        }
        .article-body > :first-child { margin-top: 0; }
        .article-body h2,
        .article-body h3 {
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
            line-height: 1.2;
            letter-spacing: -.02em;
        }
        .article-body h2 {
            margin: 45px 0 17px;
            font-size: clamp(28px, 4vw, 39px);
        }
        .article-body h3 {
            margin: 32px 0 12px;
            font-size: 25px;
        }
        .article-body p { margin: 0 0 20px; }
        .article-body a {
            color: var(--amber);
            text-decoration: underline;
            text-decoration-color: rgba(255,191,0,.35);
            text-underline-offset: 4px;
        }
        .article-body a:hover { color: #ffe08a; }
        .article-body ul,
        .article-body ol {
            margin: 20px 0 28px;
            padding-left: 23px;
        }
        .article-body li { margin: 8px 0; padding-left: 5px; }
        .article-body blockquote {
            margin: 31px 0;
            padding: 22px 25px;
            border-left: 3px solid var(--amber);
            background: rgba(197,160,89,.08);
            color: var(--soft);
            font-family: "Playfair Display", Georgia, serif;
            font-size: 20px;
        }
        .article-body img {
            width: 100%;
            margin: 28px 0;
            border-radius: 14px;
            border: 1px solid var(--line);
        }
        .article-body table {
            width: 100%;
            margin: 26px 0;
            border-collapse: collapse;
            font-size: 14px;
        }
        .article-body th,
        .article-body td {
            padding: 12px 14px;
            border: 1px solid var(--line-light);
            text-align: left;
        }
        .article-body th {
            color: var(--amber);
            background: rgba(197,160,89,.1);
        }
        .not-found {
            padding: 44px 30px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: var(--coal);
        }
        .not-found h2 {
            margin-top: 0;
            color: var(--cream);
            font-family: "Playfair Display", Georgia, serif;
        }
        .not-found p { color: var(--muted); }

        .article-aside {
            position: sticky;
            top: 105px;
        }
        .aside-panel {
            padding: 24px;
            background: var(--coal);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            box-shadow: 0 15px 40px rgba(0,0,0,.18);
        }
        .aside-panel + .aside-panel { margin-top: 18px; }
        .aside-title {
            margin: 0 0 18px;
            color: var(--cream);
            font: 700 22px/1.2 "Playfair Display", Georgia, serif;
        }
        .aside-list {
            display: grid;
            gap: 13px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .aside-list a {
            display: flex;
            gap: 10px;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.45;
            transition: color var(--ease), transform var(--ease);
        }
        .aside-list a::before {
            content: "✦";
            color: var(--amber);
            flex: 0 0 auto;
        }
        .aside-list a:hover {
            color: var(--cream);
            transform: translateX(3px);
        }
        .mini-feature {
            overflow: hidden;
            border-radius: 14px;
            border: 1px solid var(--line);
            background: var(--coal-2);
        }
        .mini-feature img {
            width: 100%;
            height: 148px;
            object-fit: cover;
            opacity: .84;
        }
        .mini-feature-content { padding: 17px; }
        .mini-feature-content strong {
            display: block;
            margin-bottom: 8px;
            color: var(--cream);
            font-size: 15px;
            line-height: 1.35;
        }
        .mini-feature-content p {
            margin: 0;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.55;
        }

        .insight-section {
            padding: 90px 0;
            background: linear-gradient(180deg, rgba(28,28,30,.5), rgba(18,18,18,.15));
            border-top: 1px solid var(--line-light);
            border-bottom: 1px solid var(--line-light);
        }
        .insight-grid {
            display: grid;
            grid-template-columns: .85fr 1.15fr;
            gap: 70px;
            align-items: center;
        }
        .insight-copy h2 {
            margin: 14px 0 15px;
            font: 700 clamp(30px, 4vw, 47px)/1.12 "Playfair Display", Georgia, serif;
        }
        .insight-copy p { margin: 0; color: var(--muted); }
        .trust-list {
            display: grid;
            gap: 13px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .trust-list li {
            display: grid;
            grid-template-columns: 43px 1fr;
            gap: 16px;
            align-items: center;
            padding: 17px 0;
            border-bottom: 1px solid var(--line-light);
        }
        .trust-icon {
            width: 43px;
            height: 43px;
            display: grid;
            place-items: center;
            border: 1px solid var(--line);
            border-radius: 12px;
            color: var(--amber);
            background: rgba(197,160,89,.08);
            font-size: 18px;
        }
        .trust-list strong {
            display: block;
            color: var(--cream);
            font-size: 15px;
        }
        .trust-list span {
            display: block;
            color: var(--muted);
            font-size: 13px;
            margin-top: 2px;
        }

        .faq-section { padding: 96px 0; }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-wrap .section-head { margin: 0 0 35px; }
        .faq-item {
            border-top: 1px solid var(--line-light);
        }
        .faq-item:last-child { border-bottom: 1px solid var(--line-light); }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 25px;
            padding: 22px 0;
            border: 0;
            background: transparent;
            color: var(--cream);
            text-align: left;
            font-size: 16px;
            font-weight: 700;
        }
        .faq-question span:last-child {
            color: var(--amber);
            font-size: 23px;
            font-weight: 400;
            transition: transform var(--ease);
        }
        .faq-item.open .faq-question span:last-child { transform: rotate(45deg); }
        .faq-answer {
            display: none;
            max-width: 710px;
            padding: 0 48px 22px 0;
            color: var(--muted);
            font-size: 15px;
        }
        .faq-item.open .faq-answer { display: block; }

        .cta-section {
            padding: 84px 0 100px;
            text-align: center;
        }
        .cta-box {
            position: relative;
            overflow: hidden;
            padding: 62px 30px;
            border: 1px solid var(--bronze);
            border-radius: 24px;
            background:
                linear-gradient(110deg, rgba(197,160,89,.16), rgba(28,28,30,.96) 62%),
                url('/assets/images/backpic/back-3.jpg') center/cover;
            box-shadow: var(--shadow);
        }
        .cta-box::before {
            content: "♠";
            position: absolute;
            right: 7%;
            top: 18%;
            color: rgba(255,191,0,.12);
            font: 170px Georgia, serif;
            transform: rotate(16deg);
        }
        .cta-box > * { position: relative; z-index: 1; }
        .cta-box h2 {
            max-width: 720px;
            margin: 14px auto 15px;
            font: 700 clamp(30px, 4vw, 48px)/1.1 "Playfair Display", Georgia, serif;
        }
        .cta-box p {
            max-width: 640px;
            margin: 0 auto;
            color: var(--soft);
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }

        .site-footer {
            padding: 72px 0 23px;
            background: #0d0d0e;
            border-top: 1px solid var(--line-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.45fr .8fr .9fr 1fr;
            gap: 45px;
        }
        .footer-col > p {
            max-width: 300px;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.7;
        }
        .footer-title {
            margin: 5px 0 17px;
            color: var(--cream);
            font-size: 14px;
            letter-spacing: .04em;
        }
        .footer-col > a:not(.brand) {
            display: block;
            width: fit-content;
            margin: 9px 0;
            color: var(--muted);
            font-size: 13px;
            transition: color var(--ease), transform var(--ease);
        }
        .footer-col > a:not(.brand):hover {
            color: var(--amber);
            transform: translateX(3px);
        }
        .responsible {
            padding: 18px;
            border: 1px solid var(--line);
            border-radius: 14px;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.65;
            background: rgba(197,160,89,.05);
        }
        .responsible b {
            display: block;
            margin-bottom: 7px;
            color: var(--amber);
            font-size: 13px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            margin-top: 54px;
            padding-top: 20px;
            border-top: 1px solid var(--line-light);
            color: #77777d;
            font-size: 11px;
        }
        .fab {
            position: fixed;
            z-index: 50;
            left: 16px;
            bottom: 96px;
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            border: 2px solid var(--amber);
            border-radius: 50%;
            color: var(--amber);
            background: rgba(18,18,18,.92);
            box-shadow: 0 4px 20px rgba(255,191,0,.3);
            font-size: 23px;
            opacity: .78;
            transition: transform var(--ease), opacity var(--ease), box-shadow var(--ease);
            animation: floatCoin 3.2s ease-in-out infinite;
        }
        .fab::after {
            content: "";
            position: absolute;
            top: 2px;
            right: 2px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #d32f2f;
            box-shadow: 0 0 10px #d32f2f;
            animation: blinkDot 1.5s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 7px 30px rgba(255,191,0,.45);
        }
        .fab:active { transform: scale(.95) translateY(2px); }
        @keyframes floatCoin {
            0%, 100% { translate: 0 0; }
            50% { translate: 0 -7px; }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: .3; }
        }

        @media (max-width: 1024px) {
            .nav-wrap { gap: 14px; }
            .brand { min-width: 185px; }
            .nav-menu a { padding-inline: 8px; font-size: 12px; }
            .nav-actions { min-width: 170px; gap: 10px; }
            .article-layout { grid-template-columns: minmax(0, 720px) 255px; gap: 42px; }
            .footer-grid { gap: 25px; }
        }
        @media (max-width: 820px) {
            .topbar { height: 70px; }
            .container { width: min(var(--container), calc(100% - 36px)); }
            .nav-toggle {
                display: block;
                order: 2;
                width: 42px;
                height: 42px;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 18px;
                right: 18px;
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                background: rgba(28,28,30,.98);
                border: 1px solid var(--line);
                border-radius: 14px;
                box-shadow: var(--shadow);
            }
            .nav-menu.is-open { display: flex; }
            .nav-menu a { padding: 12px 14px; }
            .nav-actions {
                order: 3;
                min-width: 0;
                gap: 9px;
            }
            .login-link { font-size: 12px; }
            .nav-actions .btn { min-height: 40px; padding-inline: 13px; font-size: 12px; }
            .brand { order: 1; min-width: 0; }
            .brand-text { font-size: 11px; }
            .brand-text span { font-size: 8px; }
            .article-banner { min-height: 390px; padding: 126px 0 58px; }
            .article-layout { grid-template-columns: 1fr; }
            .article-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
            .aside-panel + .aside-panel { margin-top: 0; }
            .insight-grid { grid-template-columns: 1fr; gap: 35px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .container { width: min(var(--container), calc(100% - 28px)); }
            .topbar { height: 66px; }
            .nav-menu { top: 66px; left: 14px; right: 14px; }
            .brand { gap: 8px; }
            .brand-mark { width: 32px; height: 32px; font-size: 15px; }
            .brand-text { max-width: 120px; font-size: 10px; }
            .brand-text span { letter-spacing: .05em; }
            .nav-actions { gap: 7px; }
            .login-link { display: none; }
            .nav-actions .btn { min-height: 37px; padding-inline: 10px; font-size: 11px; }
            .article-banner { min-height: 430px; padding: 116px 0 46px; }
            .banner-copy h1 { font-size: 37px; }
            .banner-copy p { font-size: 15px; }
            .article-meta { gap: 9px; font-size: 12px; }
            .article-section { padding: 59px 0 70px; }
            .article-body { font-size: 16px; }
            .article-aside { grid-template-columns: 1fr; }
            .insight-section,
            .faq-section { padding: 68px 0; }
            .faq-question { font-size: 15px; }
            .faq-answer { padding-right: 0; font-size: 14px; }
            .cta-section { padding: 55px 0 70px; }
            .cta-box { padding: 43px 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; gap: 5px; margin-top: 35px; }
            .fab { left: 14px; bottom: 78px; width: 52px; height: 52px; }
        }

/* roulang page: category1 */
:root {
            --ink:#121212;
            --coal:#1c1c1e;
            --coal-2:#242426;
            --bronze:#c5a059;
            --amber:#ffbf00;
            --cream:#f5f5f7;
            --muted:#a9a9ae;
            --line:rgba(197,160,89,.23);
            --line-light:rgba(255,255,255,.1);
            --shadow:0 24px 70px rgba(0,0,0,.3);
            --radius:20px;
            --container:1180px;
            --ease:220ms ease;
        }
        * { box-sizing:border-box; }
        html { scroll-behavior:smooth; }
        body {
            margin:0;
            background:var(--ink);
            color:var(--cream);
            font-family:"DM Sans",Arial,sans-serif;
            font-size:16px;
            line-height:1.62;
            overflow-x:hidden;
        }
        body::before {
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.18;
            background-image:linear-gradient(rgba(197,160,89,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(197,160,89,.05) 1px,transparent 1px);
            background-size:54px 54px;
            mask-image:linear-gradient(to bottom,black,transparent 75%);
        }
        a { color:inherit; text-decoration:none; }
        img { display:block; max-width:100%; }
        button,input { font:inherit; }
        button { cursor:pointer; }
        .container { width:min(var(--container),calc(100% - 48px)); margin-inline:auto; }
        .topbar {
            position:fixed;
            z-index:30;
            inset:0 0 auto;
            height:78px;
            background:rgba(18,18,18,.84);
            border-bottom:1px solid var(--line-light);
            backdrop-filter:blur(18px);
        }
        .nav-wrap { height:100%; display:flex; align-items:center; justify-content:space-between; gap:28px; }
        .brand { display:inline-flex; align-items:center; gap:12px; min-width:205px; }
        .brand-mark {
            width:38px;
            height:38px;
            display:grid;
            place-items:center;
            border:1px solid var(--bronze);
            color:var(--amber);
            border-radius:50%;
            font-family:Georgia,serif;
            font-weight:700;
            font-size:18px;
            box-shadow:0 0 20px rgba(197,160,89,.15);
        }
        .brand-text { font-size:13px; line-height:1.2; font-weight:700; letter-spacing:.04em; }
        .brand-text span {
            display:block;
            color:var(--bronze);
            font-size:10px;
            font-weight:500;
            margin-top:3px;
            letter-spacing:.12em;
            text-transform:uppercase;
        }
        .nav-menu { display:flex; align-items:center; justify-content:center; gap:4px; }
        .nav-menu a {
            padding:9px 13px;
            color:var(--muted);
            font-size:13px;
            border-radius:10px;
            transition:var(--ease);
        }
        .nav-menu a:hover,.nav-menu a.active { color:var(--cream); background:rgba(197,160,89,.1); }
        .nav-actions { display:flex; align-items:center; gap:14px; min-width:205px; justify-content:flex-end; }
        .login-link { color:var(--cream); font-size:13px; font-weight:600; }
        .login-link:hover { color:var(--amber); }
        .btn {
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:10px;
            min-height:46px;
            padding:0 20px;
            border:1px solid transparent;
            border-radius:10px;
            font-size:13px;
            font-weight:700;
            transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
        }
        .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible { outline:3px solid rgba(255,191,0,.5); outline-offset:3px; }
        .btn-primary { background:var(--amber); color:#1a1508; box-shadow:0 10px 24px rgba(255,191,0,.16); }
        .btn-primary:hover { transform:translateY(-2px); background:#ffd04a; box-shadow:0 14px 30px rgba(255,191,0,.26); }
        .btn-ghost { border-color:var(--line); color:var(--cream); background:rgba(255,255,255,.03); }
        .btn-ghost:hover { border-color:var(--amber); color:var(--amber); transform:translateY(-2px); }
        .nav-toggle { display:none; border:0; background:none; color:var(--cream); font-size:25px; }
        .hero {
            min-height:615px;
            padding:148px 0 92px;
            display:flex;
            align-items:center;
            position:relative;
            isolation:isolate;
            background:linear-gradient(90deg,rgba(18,18,18,.96) 10%,rgba(18,18,18,.78) 55%,rgba(18,18,18,.35)),url('/assets/images/backpic/back-2.jpg') center/cover;
        }
        .hero::after {
            content:"";
            position:absolute;
            z-index:-1;
            inset:0;
            background:radial-gradient(circle at 78% 35%,rgba(197,160,89,.23),transparent 28%);
        }
        .hero-grid { display:grid; grid-template-columns:1.12fr .88fr; gap:72px; align-items:center; }
        .hero-copy { max-width:700px; }
        .eyebrow {
            display:inline-flex;
            align-items:center;
            gap:9px;
            color:var(--amber);
            font-size:11px;
            font-weight:700;
            letter-spacing:.16em;
            text-transform:uppercase;
        }
        .eyebrow::before { content:""; width:24px; height:1px; background:var(--amber); }
        .hero h1 {
            margin:18px 0 22px;
            font:800 clamp(40px,5.2vw,68px)/1.06 "Playfair Display",Georgia,serif;
            letter-spacing:-.045em;
        }
        .hero h1 em { color:var(--amber); font-style:normal; }
        .hero-intro { margin:0; max-width:630px; color:#d3d1d5; font-size:17px; line-height:1.72; }
        .hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:33px; }
        .hero-note { margin-top:20px; color:var(--muted); font-size:12px; }
        .hero-panel {
            padding:27px;
            background:rgba(28,28,30,.9);
            border:1px solid var(--line);
            border-radius:var(--radius);
            box-shadow:var(--shadow);
            transform:rotate(1.5deg);
        }
        .panel-top { display:flex; justify-content:space-between; gap:18px; align-items:flex-start; padding-bottom:20px; border-bottom:1px solid var(--line-light); }
        .panel-top strong { display:block; font:700 25px/1.15 "Playfair Display",Georgia,serif; }
        .panel-label { color:var(--muted); font-size:11px; letter-spacing:.1em; text-transform:uppercase; }
        .status-dot { width:10px; height:10px; margin-top:7px; display:block; border-radius:50%; background:#8bd450; box-shadow:0 0 0 6px rgba(139,212,80,.1); }
        .score-row { display:flex; justify-content:space-between; gap:20px; padding:19px 0 8px; color:var(--muted); font-size:13px; }
        .score-row b { color:var(--amber); font-size:15px; }
        .meter { height:8px; background:#101012; border-radius:99px; overflow:hidden; }
        .meter i { display:block; width:84%; height:100%; background:linear-gradient(90deg,var(--bronze),var(--amber)); border-radius:inherit; }
        .panel-list { list-style:none; padding:0; margin:21px 0 0; }
        .panel-list li { display:flex; justify-content:space-between; gap:15px; padding:12px 0; border-bottom:1px solid var(--line-light); color:#d5d3d7; font-size:13px; }
        .panel-list li:last-child { border-bottom:0; }
        .panel-list span:last-child { color:var(--amber); font-weight:700; }
        .section { padding:102px 0; position:relative; }
        .section-head { max-width:700px; margin-bottom:43px; }
        .section-head h2 { margin:14px 0 13px; font:700 clamp(30px,4vw,49px)/1.12 "Playfair Display",Georgia,serif; letter-spacing:-.02em; }
        .section-head p { margin:0; color:var(--muted); max-width:650px; }
        .metrics {
            display:grid;
            grid-template-columns:repeat(4,1fr);
            border-top:1px solid var(--line);
            border-bottom:1px solid var(--line);
        }
        .metric { padding:30px 24px; border-right:1px solid var(--line); }
        .metric:last-child { border-right:0; }
        .metric strong { display:block; color:var(--amber); font:700 37px/1 "Playfair Display",Georgia,serif; }
        .metric span { display:block; margin-top:10px; color:var(--muted); font-size:13px; }
        .feature-layout { display:grid; grid-template-columns:.78fr 1.22fr; gap:58px; align-items:start; }
        .feature-image { position:sticky; top:110px; overflow:hidden; border-radius:var(--radius); border:1px solid var(--line); }
        .feature-image img { width:100%; aspect-ratio:4/5; object-fit:cover; filter:saturate(.85); }
        .image-caption { padding:18px 20px; background:var(--coal); color:var(--muted); font-size:13px; }
        .image-caption b { display:block; color:var(--cream); margin-bottom:4px; }
        .choice-list { display:grid; gap:0; }
        .choice {
            display:grid;
            grid-template-columns:54px 1fr auto;
            gap:18px;
            align-items:start;
            padding:23px 0;
            border-bottom:1px solid var(--line-light);
        }
        .choice:first-child { border-top:1px solid var(--line-light); }
        .choice-number { color:var(--bronze); font:700 24px/1 "Playfair Display",Georgia,serif; }
        .choice h3 { margin:0 0 5px; font-size:18px; }
        .choice p { margin:0; color:var(--muted); font-size:14px; }
        .choice-tag { align-self:center; color:var(--amber); border:1px solid var(--line); border-radius:99px; padding:5px 10px; font-size:11px; white-space:nowrap; }
        .matrix-section { background:linear-gradient(135deg,#181819,#101011); }
        .matrix-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
        .matrix-item { padding:27px; min-height:210px; background:rgba(36,36,38,.7); border:1px solid var(--line-light); border-radius:16px; transition:var(--ease); }
        .matrix-item:hover { transform:translateY(-5px); border-color:var(--bronze); box-shadow:0 15px 35px rgba(0,0,0,.22); }
        .matrix-icon { color:var(--amber); font-size:24px; }
        .matrix-item h3 { margin:17px 0 8px; font-size:18px; }
        .matrix-item p { margin:0; color:var(--muted); font-size:14px; }
        .compare-layout { display:grid; grid-template-columns:1fr 1fr; gap:62px; align-items:center; }
        .compare-layout h2 { margin:13px 0 17px; font:700 clamp(30px,4vw,45px)/1.12 "Playfair Display",Georgia,serif; }
        .compare-layout > div > p { color:var(--muted); }
        .check-list { list-style:none; padding:0; margin:28px 0 0; }
        .check-list li { position:relative; padding:13px 0 13px 31px; border-bottom:1px solid var(--line-light); color:#d9d7dc; }
        .check-list li::before { content:"✓"; position:absolute; left:0; color:var(--amber); font-weight:700; }
        .compare-box { padding:28px; border:1px solid var(--line); border-radius:var(--radius); background:var(--coal); }
        .compare-box h3 { margin:0 0 20px; font:700 25px/1.2 "Playfair Display",Georgia,serif; }
        .compare-row { display:grid; grid-template-columns:1fr 1fr; gap:20px; padding:17px 0; border-top:1px solid var(--line-light); font-size:13px; }
        .compare-row span { color:var(--muted); }
        .compare-row b { color:var(--cream); text-align:right; }
        .steps-section { padding-top:30px; }
        .steps { display:grid; grid-template-columns:repeat(3,1fr); gap:36px; position:relative; }
        .step { position:relative; padding-top:25px; border-top:1px solid var(--bronze); }
        .step-num { color:var(--amber); font:700 34px/1 "Playfair Display",Georgia,serif; }
        .step h3 { margin:16px 0 7px; font-size:18px; }
        .step p { margin:0; color:var(--muted); font-size:14px; }
        .faq-layout { display:grid; grid-template-columns:.72fr 1.28fr; gap:70px; align-items:start; }
        .faq-layout h2 { margin:14px 0; font:700 clamp(30px,4vw,45px)/1.12 "Playfair Display",Georgia,serif; }
        .faq-layout > div > p { margin:0; color:var(--muted); }
        .faq-list details { border-top:1px solid var(--line-light); padding:19px 0; }
        .faq-list details:last-child { border-bottom:1px solid var(--line-light); }
        .faq-list summary { cursor:pointer; list-style:none; padding-right:30px; position:relative; font-weight:600; }
        .faq-list summary::-webkit-details-marker { display:none; }
        .faq-list summary::after { content:"+"; position:absolute; right:0; top:-3px; color:var(--amber); font-size:24px; font-weight:400; }
        .faq-list details[open] summary::after { content:"−"; }
        .faq-list details p { margin:12px 0 0; color:var(--muted); font-size:14px; }
        .cta {
            padding:72px 0;
            background:linear-gradient(110deg,rgba(197,160,89,.18),rgba(28,28,30,.95) 58%),url('/assets/images/backpic/back-3.jpg') center/cover;
            border-top:1px solid var(--line);
            border-bottom:1px solid var(--line);
        }
        .cta-grid { display:grid; grid-template-columns:1fr 420px; gap:65px; align-items:center; }
        .cta h2 { margin:14px 0; font:700 clamp(31px,4vw,48px)/1.1 "Playfair Display",Georgia,serif; }
        .cta p { max-width:610px; margin:0; color:#d0ced2; }
        .signup-form { padding:26px; background:rgba(18,18,18,.86); border:1px solid var(--line); border-radius:var(--radius); }
        .signup-form label { display:block; margin-bottom:7px; color:var(--muted); font-size:12px; }
        .signup-form input { width:100%; height:47px; margin-bottom:14px; padding:0 14px; color:var(--cream); background:#252527; border:1px solid var(--line-light); border-radius:9px; }
        .signup-form input:focus { border-color:var(--amber); outline:none; }
        .signup-form .btn { width:100%; }
        .form-status { min-height:20px; margin:11px 0 0; color:var(--amber); font-size:12px; }
        .site-footer { padding:68px 0 22px; background:#0d0d0e; }
        .footer-grid { display:grid; grid-template-columns:1.35fr .8fr .9fr 1fr; gap:48px; }
        .footer-col > p { color:var(--muted); font-size:13px; max-width:290px; }
        .footer-title { margin:5px 0 17px; color:var(--cream); font-size:14px; }
        .footer-col > a:not(.brand) { display:block; margin:10px 0; color:var(--muted); font-size:13px; transition:var(--ease); }
        .footer-col > a:not(.brand):hover { color:var(--amber); transform:translateX(3px); }
        .responsible { padding:18px; color:var(--muted); border:1px solid var(--line); border-radius:12px; font-size:12px; }
        .responsible b { display:block; margin-bottom:8px; color:var(--amber); font-size:13px; }
        .footer-bottom { display:flex; justify-content:space-between; gap:20px; margin-top:55px; padding-top:19px; border-top:1px solid var(--line-light); color:#77777d; font-size:11px; }
        .fab {
            position:fixed;
            left:16px;
            bottom:96px;
            z-index:50;
            width:58px;
            height:58px;
            display:grid;
            place-items:center;
            color:var(--amber);
            background:rgba(0,0,0,.78);
            border:2px solid var(--bronze);
            border-radius:50%;
            box-shadow:0 4px 20px rgba(255,191,0,.3);
            opacity:.72;
            transition:var(--ease);
            animation:float 3.8s ease-in-out infinite;
        }
        .fab:hover { opacity:1; transform:scale(1.1); }
        .fab:active { transform:scale(.95) translateY(2px); }
        .fab span { font-size:23px; }
        .fab::after { content:""; position:absolute; top:2px; right:1px; width:8px; height:8px; border-radius:50%; background:#d32f2f; box-shadow:0 0 10px #d32f2f; }
        @keyframes float { 0%,100%{translate:0 0} 50%{translate:0 -6px} }
        @media (max-width:1024px) {
            .nav-wrap { gap:15px; }
            .nav-menu a { padding-inline:8px; font-size:12px; }
            .hero-grid { gap:40px; }
            .footer-grid { grid-template-columns:1fr 1fr; }
        }
        @media (max-width:768px) {
            .container { width:min(var(--container),calc(100% - 34px)); }
            .topbar { height:70px; }
            .brand { min-width:0; }
            .brand-text { font-size:11px; }
            .brand-text span { font-size:8px; }
            .brand-mark { width:34px; height:34px; }
            .nav-toggle { display:block; order:2; }
            .nav-menu {
                display:none;
                position:absolute;
                top:70px;
                left:17px;
                right:17px;
                padding:12px;
                flex-direction:column;
                align-items:stretch;
                background:rgba(28,28,30,.98);
                border:1px solid var(--line);
                border-radius:14px;
                box-shadow:var(--shadow);
            }
            .nav-menu.open { display:flex; }
            .nav-menu a { padding:12px 14px; }
            .nav-actions { min-width:auto; gap:8px; order:3; }
            .login-link { font-size:11px; }
            .nav-actions .btn { min-height:38px; padding:0 11px; font-size:11px; }
            .hero { min-height:auto; padding:128px 0 70px; }
            .hero-grid,.feature-layout,.compare-layout,.faq-layout,.cta-grid { grid-template-columns:1fr; gap:38px; }
            .hero h1 { font-size:clamp(38px,11vw,58px); }
            .hero-panel { max-width:440px; transform:none; }
            .feature-image { position:relative; top:auto; max-width:500px; }
            .feature-image img { aspect-ratio:16/10; }
            .metrics { grid-template-columns:1fr 1fr; }
            .metric:nth-child(2) { border-right:0; }
            .metric:nth-child(-n+2) { border-bottom:1px solid var(--line); }
            .matrix-grid { grid-template-columns:1fr 1fr; }
            .section { padding:75px 0; }
            .cta { padding:62px 0; }
        }
        @media (max-width:520px) {
            .container { width:calc(100% - 28px); }
            .brand-text { max-width:125px; }
            .nav-actions .login-link { display:none; }
            .hero-actions .btn { width:100%; }
            .hero-point { width:100%; }
            .metrics { grid-template-columns:1fr 1fr; }
            .metric { padding:22px 14px; }
            .metric strong { font-size:28px; }
            .metric span { font-size:11px; }
            .matrix-grid,.steps { grid-template-columns:1fr; gap:15px; }
            .matrix-item { min-height:auto; }
            .choice { grid-template-columns:38px 1fr; gap:12px; }
            .choice-tag { grid-column:2; justify-self:start; }
            .compare-row { grid-template-columns:1fr; gap:4px; }
            .compare-row b { text-align:left; }
            .footer-grid { grid-template-columns:1fr; gap:28px; }
            .footer-bottom { flex-direction:column; gap:6px; margin-top:35px; }
            .fab { left:14px; bottom:78px; }
        }

/* roulang page: category2 */
:root {
            --ink: #121212;
            --coal: #1c1c1e;
            --coal-2: #242426;
            --coal-3: #2d2d30;
            --bronze: #c5a059;
            --amber: #ffbf00;
            --cream: #f5f5f7;
            --muted: #a9a9ae;
            --soft: #d9d7dc;
            --line: rgba(197,160,89,.23);
            --line-light: rgba(255,255,255,.1);
            --green: #6fcf97;
            --red: #e06b68;
            --shadow: 0 24px 70px rgba(0,0,0,.3);
            --shadow-soft: 0 14px 36px rgba(0,0,0,.22);
            --radius: 20px;
            --container: 1180px;
            --ease: 220ms ease;
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            background: var(--ink);
            color: var(--cream);
            font-family: "DM Sans", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.62;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .18;
            background-image:
                linear-gradient(rgba(197,160,89,.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(197,160,89,.05) 1px, transparent 1px);
            background-size: 54px 54px;
            mask-image: linear-gradient(to bottom, black, transparent 75%);
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        .container {
            width: min(var(--container), calc(100% - 48px));
            margin-inline: auto;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--amber);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .16em;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--amber);
        }
        .section {
            padding: 106px 0;
            position: relative;
        }
        .section-head {
            max-width: 700px;
            margin-bottom: 44px;
        }
        .section-head h2 {
            margin: 14px 0 13px;
            font: 700 clamp(30px, 4vw, 49px)/1.12 "Playfair Display", Georgia, serif;
            letter-spacing: -.02em;
        }
        .section-head p {
            margin: 0;
            color: var(--muted);
            max-width: 650px;
        }
        .section-head.split {
            max-width: none;
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 35px;
        }
        .section-head.split > p {
            max-width: 430px;
            padding-bottom: 4px;
        }

        .topbar {
            position: fixed;
            z-index: 30;
            inset: 0 0 auto;
            height: 78px;
            background: rgba(18,18,18,.84);
            border-bottom: 1px solid var(--line-light);
            backdrop-filter: blur(18px);
        }
        .nav-wrap {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 205px;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            border: 1px solid var(--bronze);
            color: var(--amber);
            border-radius: 50%;
            font-family: Georgia, serif;
            font-weight: 700;
            font-size: 18px;
            box-shadow: 0 0 20px rgba(197,160,89,.15);
        }
        .brand-text {
            font-size: 13px;
            line-height: 1.2;
            font-weight: 700;
            letter-spacing: .04em;
        }
        .brand-text span {
            display: block;
            color: var(--bronze);
            font-size: 10px;
            font-weight: 500;
            margin-top: 3px;
            letter-spacing: .12em;
            text-transform: uppercase;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }
        .nav-menu a {
            padding: 9px 13px;
            color: var(--muted);
            font-size: 13px;
            border-radius: 10px;
            transition: var(--ease);
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--cream);
            background: rgba(197,160,89,.1);
        }
        .nav-menu a.active {
            box-shadow: inset 0 -2px 0 var(--amber);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            min-width: 205px;
            justify-content: flex-end;
        }
        .login-link {
            color: var(--soft);
            font-size: 13px;
            font-weight: 600;
            transition: color var(--ease);
        }
        .login-link:hover { color: var(--amber); }
        .nav-toggle {
            display: none;
            border: 0;
            background: none;
            color: var(--cream);
            font-size: 25px;
            line-height: 1;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 46px;
            padding: 0 20px;
            border: 1px solid transparent;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 700;
            transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255,191,0,.5);
            outline-offset: 3px;
        }
        .btn-primary {
            background: var(--amber);
            color: #1a1508;
            box-shadow: 0 10px 24px rgba(255,191,0,.16);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            background: #ffd04a;
            box-shadow: 0 14px 30px rgba(255,191,0,.26);
        }
        .btn-primary:active { transform: translateY(1px); }
        .btn-ghost {
            border-color: var(--line);
            color: var(--cream);
            background: rgba(255,255,255,.03);
        }
        .btn-ghost:hover {
            border-color: var(--amber);
            color: var(--amber);
            transform: translateY(-2px);
        }

        .inner-hero {
            min-height: 550px;
            padding: 150px 0 76px;
            position: relative;
            isolation: isolate;
            background:
                linear-gradient(90deg, rgba(18,18,18,.98) 10%, rgba(18,18,18,.87) 50%, rgba(18,18,18,.42)),
                url('/assets/images/backpic/back-2.jpg') center/cover;
        }
        .inner-hero::after {
            content: "";
            position: absolute;
            z-index: -1;
            inset: 0;
            background: radial-gradient(circle at 76% 30%, rgba(197,160,89,.24), transparent 29%);
        }
        .inner-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
            gap: 74px;
            align-items: center;
        }
        .hero-copy { max-width: 680px; }
        .hero-copy h1 {
            margin: 18px 0 20px;
            font: 800 clamp(40px, 5.5vw, 68px)/1.06 "Playfair Display", Georgia, serif;
            letter-spacing: -.045em;
        }
        .hero-copy h1 em {
            color: var(--amber);
            font-style: normal;
        }
        .hero-copy p {
            margin: 0;
            max-width: 630px;
            color: #d3d1d5;
            font-size: 17px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 31px;
        }
        .hero-note {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 23px;
            color: var(--muted);
            font-size: 12px;
        }
        .hero-note span {
            width: 8px;
            height: 8px;
            display: inline-block;
            background: var(--green);
            border-radius: 50%;
            box-shadow: 0 0 12px var(--green);
        }
        .score-panel {
            position: relative;
            padding: 28px;
            overflow: hidden;
            background: linear-gradient(145deg, rgba(42,42,44,.96), rgba(25,25,27,.93));
            border: 1px solid var(--line);
            box-shadow: var(--shadow);
            border-radius: var(--radius);
        }
        .score-panel::before {
            content: "";
            position: absolute;
            width: 210px;
            height: 210px;
            right: -72px;
            top: -78px;
            border: 1px solid rgba(255,191,0,.25);
            border-radius: 50%;
        }
        .score-top {
            display: flex;
            align-items: start;
            justify-content: space-between;
            gap: 20px;
            padding-bottom: 22px;
            border-bottom: 1px solid var(--line-light);
        }
        .score-label {
            color: var(--muted);
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: .1em;
        }
        .score-title {
            margin-top: 5px;
            font: 700 24px/1.2 "Playfair Display", Georgia, serif;
        }
        .score-badge {
            min-width: 72px;
            padding: 10px 8px;
            color: #201807;
            background: var(--amber);
            border-radius: 12px;
            text-align: center;
            font-weight: 800;
            line-height: 1.1;
        }
        .score-badge strong {
            display: block;
            font-size: 25px;
        }
        .score-badge small { font-size: 10px; }
        .score-list {
            display: grid;
            gap: 16px;
            margin-top: 22px;
        }
        .score-item {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 12px;
            align-items: center;
            color: var(--soft);
            font-size: 13px;
        }
        .score-item b { color: var(--amber); font-size: 13px; }
        .progress {
            grid-column: 1 / -1;
            height: 5px;
            overflow: hidden;
            background: rgba(255,255,255,.09);
            border-radius: 20px;
        }
        .progress i {
            display: block;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--bronze), var(--amber));
        }

        .metrics {
            margin-top: -1px;
            position: relative;
            z-index: 2;
        }
        .metric-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border: 1px solid var(--line);
            background: var(--coal);
            box-shadow: var(--shadow-soft);
            border-radius: 16px;
        }
        .metric {
            padding: 25px 27px;
            border-right: 1px solid var(--line-light);
        }
        .metric:last-child { border-right: 0; }
        .metric strong {
            display: block;
            color: var(--amber);
            font: 700 31px/1.1 "Playfair Display", Georgia, serif;
        }
        .metric span {
            display: block;
            margin-top: 6px;
            color: var(--muted);
            font-size: 12px;
        }

        .matrix-section { background: #151517; }
        .matrix-layout {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 70px;
            align-items: start;
        }
        .matrix-intro {
            position: sticky;
            top: 108px;
        }
        .matrix-intro h2 {
            margin: 14px 0 16px;
            font: 700 clamp(30px, 3.7vw, 46px)/1.12 "Playfair Display", Georgia, serif;
        }
        .matrix-intro p { color: var(--muted); margin: 0 0 24px; }
        .checklist {
            display: grid;
            gap: 12px;
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--soft);
            font-size: 13px;
        }
        .checklist li::before {
            content: "✓";
            flex: 0 0 21px;
            width: 21px;
            height: 21px;
            display: grid;
            place-items: center;
            color: #1c1809;
            background: var(--amber);
            border-radius: 50%;
            font-size: 12px;
            font-weight: 800;
        }
        .criterion-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .criterion {
            min-height: 220px;
            padding: 25px;
            background: var(--coal);
            border: 1px solid var(--line-light);
            border-radius: 16px;
            transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
        }
        .criterion:hover {
            transform: translateY(-5px);
            border-color: rgba(255,191,0,.55);
            box-shadow: 0 17px 35px rgba(0,0,0,.25);
        }
        .criterion-icon {
            width: 40px;
            height: 40px;
            display: grid;
            place-items: center;
            color: var(--amber);
            border: 1px solid var(--line);
            border-radius: 11px;
            font-size: 19px;
        }
        .criterion h3 {
            margin: 22px 0 8px;
            font-size: 18px;
            line-height: 1.25;
        }
        .criterion p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.65;
        }

        .compare-section { background: var(--ink); }
        .compare-layout {
            display: grid;
            grid-template-columns: .86fr 1.14fr;
            gap: 60px;
            align-items: center;
        }
        .compare-image {
            min-height: 425px;
            position: relative;
            overflow: hidden;
            border-radius: var(--radius);
            border: 1px solid var(--line);
        }
        .compare-image img {
            width: 100%;
            height: 100%;
            min-height: 425px;
            object-fit: cover;
            opacity: .75;
        }
        .compare-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 34%, rgba(18,18,18,.95));
        }
        .image-caption {
            position: absolute;
            z-index: 1;
            left: 27px;
            right: 27px;
            bottom: 24px;
        }
        .image-caption strong {
            display: block;
            font: 700 26px/1.2 "Playfair Display", Georgia, serif;
        }
        .image-caption span {
            color: var(--soft);
            font-size: 13px;
        }
        .compare-copy h2 {
            margin: 14px 0 16px;
            font: 700 clamp(30px, 3.8vw, 46px)/1.12 "Playfair Display", Georgia, serif;
        }
        .compare-copy > p { color: var(--muted); margin: 0 0 26px; }
        .comparison-list {
            border-top: 1px solid var(--line-light);
        }
        .comparison-item {
            display: grid;
            grid-template-columns: 32px 1fr auto;
            gap: 14px;
            align-items: center;
            padding: 17px 0;
            border-bottom: 1px solid var(--line-light);
        }
        .comparison-item > b {
            width: 27px;
            height: 27px;
            display: grid;
            place-items: center;
            color: var(--amber);
            background: rgba(255,191,0,.1);
            border-radius: 50%;
            font-size: 12px;
        }
        .comparison-item div strong {
            display: block;
            font-size: 14px;
        }
        .comparison-item div span {
            display: block;
            color: var(--muted);
            font-size: 12px;
        }
        .status {
            color: var(--green);
            font-size: 12px;
            font-weight: 700;
            white-space: nowrap;
        }

        .steps-section {
            background:
                linear-gradient(110deg, rgba(28,28,30,.96), rgba(18,18,18,.96)),
                url('/assets/images/backpic/back-3.jpg') center/cover;
        }
        .steps-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 70px;
            align-items: center;
        }
        .steps-copy h2 {
            margin: 14px 0 15px;
            font: 700 clamp(30px, 3.8vw, 47px)/1.12 "Playfair Display", Georgia, serif;
        }
        .steps-copy p { margin: 0; color: var(--muted); }
        .step-list {
            display: grid;
            gap: 0;
            margin-top: 30px;
        }
        .step {
            display: grid;
            grid-template-columns: 43px 1fr;
            gap: 17px;
            padding: 0 0 25px;
            position: relative;
        }
        .step:last-child { padding-bottom: 0; }
        .step:not(:last-child)::after {
            content: "";
            position: absolute;
            left: 20px;
            top: 43px;
            bottom: 0;
            width: 1px;
            background: var(--line);
        }
        .step-number {
            position: relative;
            z-index: 1;
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            color: #201807;
            background: var(--amber);
            border-radius: 50%;
            font-weight: 800;
            font-size: 14px;
        }
        .step h3 { margin: 2px 0 5px; font-size: 17px; }
        .step p { color: var(--muted); font-size: 13px; margin: 0; }

        .payments-section { background: #151517; }
        .payment-layout {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 60px;
            align-items: start;
        }
        .payment-copy h2 {
            margin: 14px 0 15px;
            font: 700 clamp(30px, 3.8vw, 46px)/1.12 "Playfair Display", Georgia, serif;
        }
        .payment-copy > p { color: var(--muted); margin: 0 0 26px; }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .payment-badge {
            padding: 10px 15px;
            color: var(--cream);
            background: var(--coal);
            border: 1px solid var(--line);
            border-radius: 9px;
            font-size: 13px;
            font-weight: 700;
        }
        .payment-badge small {
            display: block;
            margin-top: 2px;
            color: var(--muted);
            font-size: 10px;
            font-weight: 400;
        }
        .notice {
            padding: 26px;
            border-left: 3px solid var(--amber);
            background: rgba(255,191,0,.06);
        }
        .notice h3 { margin: 0 0 9px; font-size: 18px; }
        .notice p { margin: 0; color: var(--soft); font-size: 13px; }

        .faq-section { background: var(--ink); }
        .faq-layout {
            display: grid;
            grid-template-columns: .7fr 1.3fr;
            gap: 75px;
            align-items: start;
        }
        .faq-intro { position: sticky; top: 108px; }
        .faq-intro h2 {
            margin: 14px 0 14px;
            font: 700 clamp(30px, 3.8vw, 45px)/1.12 "Playfair Display", Georgia, serif;
        }
        .faq-intro p { margin: 0; color: var(--muted); }
        .faq-list { border-top: 1px solid var(--line-light); }
        .faq-item { border-bottom: 1px solid var(--line-light); }
        .faq-question {
            width: 100%;
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            border: 0;
            background: transparent;
            color: var(--cream);
            text-align: left;
            font-weight: 700;
            font-size: 15px;
        }
        .faq-question::after {
            content: "+";
            color: var(--amber);
            font-size: 24px;
            font-weight: 400;
            transition: transform var(--ease);
        }
        .faq-item.open .faq-question::after { transform: rotate(45deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 280ms ease;
        }
        .faq-answer p {
            margin: -5px 38px 21px 0;
            color: var(--muted);
            font-size: 14px;
        }

        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, #29251c, #171719 67%);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .cta-layout {
            display: grid;
            grid-template-columns: 1fr .9fr;
            gap: 70px;
            align-items: center;
        }
        .cta-copy h2 {
            margin: 13px 0 14px;
            font: 700 clamp(31px, 4vw, 50px)/1.1 "Playfair Display", Georgia, serif;
        }
        .cta-copy p { max-width: 580px; color: var(--muted); margin: 0; }
        .signup-form {
            padding: 28px;
            background: rgba(18,18,18,.76);
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: var(--shadow-soft);
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            color: var(--soft);
            font-size: 12px;
            font-weight: 700;
        }
        .form-row {
            display: flex;
            gap: 10px;
        }
        .form-input {
            width: 100%;
            min-height: 47px;
            padding: 0 14px;
            color: var(--cream);
            background: var(--coal-2);
            border: 1px solid var(--line-light);
            border-radius: 9px;
        }
        .form-input::placeholder { color: #77777d; }
        .form-input:focus {
            border-color: var(--amber);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255,191,0,.1);
        }
        .form-help {
            margin: 11px 0 0;
            color: var(--muted);
            font-size: 11px;
        }
        .form-message {
            display: none;
            margin-top: 12px;
            color: var(--green);
            font-size: 12px;
        }

        .site-footer {
            padding: 65px 0 24px;
            background: #0e0e0f;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr .8fr .9fr 1fr;
            gap: 42px;
        }
        .footer-col > p {
            max-width: 310px;
            color: var(--muted);
            font-size: 13px;
        }
        .footer-title {
            margin: 4px 0 16px;
            color: var(--cream);
            font-size: 13px;
            letter-spacing: .04em;
        }
        .footer-col > a:not(.brand) {
            display: block;
            width: fit-content;
            margin: 9px 0;
            color: var(--muted);
            font-size: 12px;
            transition: color var(--ease), transform var(--ease);
        }
        .footer-col > a:not(.brand):hover {
            color: var(--amber);
            transform: translateX(3px);
        }
        .responsible {
            padding: 16px;
            color: var(--muted);
            background: rgba(197,160,89,.06);
            border: 1px solid var(--line);
            border-radius: 12px;
            font-size: 12px;
        }
        .responsible b {
            display: block;
            margin-bottom: 7px;
            color: var(--amber);
            font-size: 13px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 52px;
            padding-top: 20px;
            border-top: 1px solid var(--line-light);
            color: #77777d;
            font-size: 11px;
        }

        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            color: var(--amber);
            background: rgba(18,18,18,.9);
            border: 2px solid var(--bronze);
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(255,215,0,.3);
            opacity: .76;
            font-size: 22px;
            transition: transform var(--ease), opacity var(--ease), box-shadow var(--ease);
            animation: floatCoin 3.2s ease-in-out infinite;
        }
        .fab::after {
            content: "MỚI";
            position: absolute;
            top: -8px;
            right: -12px;
            padding: 2px 5px;
            color: #fff;
            background: #a92828;
            border-radius: 5px;
            font-size: 8px;
            font-weight: 800;
            animation: blink 1.6s infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 7px 29px rgba(255,215,0,.46);
        }
        .fab:hover span { transform: rotate(360deg); }
        .fab span { transition: transform .55s ease; }
        @keyframes floatCoin {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes blink {
            0%, 45%, 100% { opacity: 1; }
            55%, 78% { opacity: .38; }
        }

        @media (max-width: 1080px) {
            .nav-wrap { gap: 14px; }
            .brand { min-width: 190px; }
            .nav-menu a { padding-inline: 9px; font-size: 12px; }
            .nav-actions { min-width: 180px; gap: 9px; }
            .inner-grid, .matrix-layout, .compare-layout, .steps-layout, .payment-layout, .faq-layout, .cta-layout { gap: 42px; }
        }
        @media (max-width: 860px) {
            .topbar { height: 70px; }
            .container { width: min(var(--container), calc(100% - 34px)); }
            .nav-toggle { display: block; order: 2; }
            .nav-menu {
                position: absolute;
                left: 17px;
                right: 17px;
                top: 77px;
                display: none;
                padding: 10px;
                flex-direction: column;
                align-items: stretch;
                background: rgba(28,28,30,.98);
                border: 1px solid var(--line);
                border-radius: 14px;
                box-shadow: var(--shadow-soft);
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { padding: 12px 14px; }
            .nav-wrap .brand { margin-right: auto; }
            .nav-actions { min-width: auto; order: 3; }
            .login-link { display: inline-block; }
            .nav-actions .btn { min-height: 40px; padding-inline: 13px; }
            .inner-hero { padding-top: 135px; }
            .inner-grid, .matrix-layout, .compare-layout, .steps-layout, .payment-layout, .faq-layout, .cta-layout {
                grid-template-columns: 1fr;
            }
            .matrix-intro, .faq-intro { position: static; }
            .score-panel { max-width: 570px; }
            .metric-row { grid-template-columns: repeat(2, 1fr); }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line-light); }
            .criterion-grid { grid-template-columns: repeat(2, 1fr); }
            .compare-image { max-width: 620px; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            body { font-size: 15px; }
            .container { width: min(var(--container), calc(100% - 28px)); }
            .brand { min-width: 0; gap: 8px; }
            .brand-mark { width: 33px; height: 33px; font-size: 16px; }
            .brand-text { font-size: 11px; letter-spacing: 0; }
            .brand-text span { font-size: 8px; letter-spacing: .06em; }
            .nav-toggle { font-size: 23px; }
            .nav-actions { gap: 7px; }
            .login-link { font-size: 11px; }
            .nav-actions .btn { min-height: 37px; padding: 0 9px; font-size: 11px; }
            .section { padding: 72px 0; }
            .inner-hero { min-height: auto; padding: 120px 0 64px; }
            .hero-copy h1 { font-size: 40px; }
            .hero-copy p { font-size: 15px; }
            .hero-actions { align-items: stretch; flex-direction: column; }
            .hero-actions .btn { width: 100%; }
            .score-panel { padding: 21px; }
            .score-title { font-size: 20px; }
            .metric { padding: 19px 15px; }
            .metric strong { font-size: 25px; }
            .metric span { font-size: 11px; }
            .section-head.split { display: block; }
            .section-head.split > p { margin-top: 15px; }
            .criterion-grid { grid-template-columns: 1fr; }
            .criterion { min-height: auto; }
            .compare-image, .compare-image img { min-height: 320px; }
            .comparison-item { grid-template-columns: 28px 1fr; }
            .status { grid-column: 2; }
            .payment-badges { display: grid; grid-template-columns: 1fr 1fr; }
            .payment-badge { padding: 9px 10px; font-size: 12px; }
            .form-row { flex-direction: column; }
            .form-row .btn { width: 100%; }
            .footer-grid { grid-template-columns: 1fr; gap: 27px; }
            .footer-bottom { flex-direction: column; gap: 7px; margin-top: 35px; }
            .fab { left: 14px; bottom: 80px; width: 52px; height: 52px; }
        }

/* roulang page: category3 */
:root {
            --ink:#121212;
            --coal:#1c1c1e;
            --coal-2:#242426;
            --bronze:#c5a059;
            --amber:#ffbf00;
            --cream:#f5f5f7;
            --muted:#a9a9ae;
            --line:rgba(197,160,89,.23);
            --line-light:rgba(255,255,255,.1);
            --success:#b8d58b;
            --shadow:0 24px 70px rgba(0,0,0,.3);
            --radius:20px;
            --container:1180px;
            --ease:220ms ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--ink);color:var(--cream);font-family:"DM Sans",Arial,sans-serif;font-size:16px;line-height:1.62;overflow-x:hidden}
        body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:linear-gradient(rgba(197,160,89,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(197,160,89,.05) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,#000,transparent 75%)}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--amber);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
        .eyebrow::before{content:"";width:24px;height:1px;background:var(--amber)}
        .section{padding:100px 0;position:relative}
        .section-head{max-width:710px;margin-bottom:42px}
        .section-head h2{margin:14px 0 13px;font:700 clamp(30px,4vw,49px)/1.12 "Playfair Display",Georgia,serif;letter-spacing:-.02em}
        .section-head p{margin:0;color:var(--muted);max-width:660px}
        .topbar{position:fixed;z-index:30;inset:0 0 auto;height:78px;background:rgba(18,18,18,.84);border-bottom:1px solid var(--line-light);backdrop-filter:blur(18px)}
        .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:12px;min-width:205px}
        .brand-mark{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--bronze);color:var(--amber);border-radius:50%;font-family:Georgia,serif;font-weight:700;font-size:18px;box-shadow:0 0 20px rgba(197,160,89,.15)}
        .brand-text{font-size:13px;line-height:1.2;font-weight:700;letter-spacing:.04em}
        .brand-text span{display:block;color:var(--bronze);font-size:10px;font-weight:500;margin-top:3px;letter-spacing:.12em;text-transform:uppercase}
        .nav-menu{display:flex;align-items:center;justify-content:center;gap:4px}
        .nav-menu a{padding:9px 13px;color:var(--muted);font-size:13px;border-radius:10px;transition:var(--ease)}
        .nav-menu a:hover,.nav-menu a.active{color:var(--cream);background:rgba(197,160,89,.1)}
        .nav-actions{display:flex;align-items:center;gap:14px;min-width:205px;justify-content:flex-end}
        .login-link{color:var(--cream);font-size:13px;font-weight:600}
        .login-link:hover{color:var(--amber)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-size:13px;font-weight:700;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease)}
        .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,191,0,.5);outline-offset:3px}
        .btn-primary{background:var(--amber);color:#1a1508;box-shadow:0 10px 24px rgba(255,191,0,.16)}
        .btn-primary:hover{transform:translateY(-2px);background:#ffd04a;box-shadow:0 14px 30px rgba(255,191,0,.26)}
        .btn-ghost{border-color:var(--line);color:var(--cream);background:rgba(255,255,255,.03)}
        .btn-ghost:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}
        .nav-toggle{display:none;border:0;background:none;color:var(--cream);font-size:25px}
        .hero{padding:158px 0 92px;min-height:610px;background:linear-gradient(90deg,rgba(18,18,18,.97) 10%,rgba(18,18,18,.78) 56%,rgba(18,18,18,.38)),url('/assets/images/backpic/back-2.jpg') center/cover;position:relative;isolation:isolate}
        .hero::after{content:"";position:absolute;z-index:-1;inset:0;background:radial-gradient(circle at 80% 28%,rgba(197,160,89,.22),transparent 30%)}
        .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:72px;align-items:center}
        .hero-copy{max-width:680px}
        .hero h1{margin:18px 0 20px;font:800 clamp(42px,5.6vw,72px)/1.05 "Playfair Display",Georgia,serif;letter-spacing:-.045em}
        .hero h1 em{color:var(--amber);font-style:normal}
        .hero-intro{margin:0;color:#d3d1d5;font-size:17px;line-height:1.72;max-width:620px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
        .hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:38px}
        .hero-point{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px}
        .hero-point b{color:var(--amber);font-size:19px;display:block;line-height:1}
        .vertical-showcase{position:relative;min-height:420px;display:flex;justify-content:center;align-items:center}
        .showcase-glow{position:absolute;width:310px;height:390px;background:rgba(197,160,89,.12);filter:blur(45px);border-radius:50%}
        .phone-frame{position:relative;width:245px;height:420px;padding:9px;border:1px solid rgba(255,191,0,.6);border-radius:30px;background:#0c0c0d;box-shadow:0 28px 70px rgba(0,0,0,.5),0 0 35px rgba(197,160,89,.13);transform:rotate(5deg)}
        .phone-frame img{width:100%;height:100%;object-fit:cover;border-radius:23px;opacity:.82}
        .phone-overlay{position:absolute;inset:9px;border-radius:23px;background:linear-gradient(180deg,rgba(18,18,18,.08),rgba(18,18,18,.9));display:flex;flex-direction:column;justify-content:flex-end;padding:22px}
        .phone-label{font-size:10px;letter-spacing:.13em;color:var(--amber);text-transform:uppercase}
        .phone-overlay strong{font:700 24px/1.1 "Playfair Display",Georgia,serif;margin-top:7px}
        .phone-step{position:absolute;right:-37px;top:54px;width:132px;padding:13px;background:rgba(28,28,30,.92);border:1px solid var(--line);border-radius:12px;transform:rotate(-5deg)}
        .phone-step small{display:block;color:var(--bronze);font-size:10px;text-transform:uppercase;letter-spacing:.1em}
        .phone-step b{display:block;font-size:14px;margin-top:3px}
        .metric-strip{border-bottom:1px solid var(--line-light);background:var(--coal)}
        .metrics{display:grid;grid-template-columns:repeat(4,1fr)}
        .metric{padding:27px 24px;border-right:1px solid var(--line-light)}
        .metric:last-child{border-right:0}
        .metric strong{display:block;color:var(--amber);font:700 30px/1.1 "Playfair Display",Georgia,serif}
        .metric span{display:block;color:var(--muted);font-size:12px;margin-top:6px}
        .split-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}
        .sticky-note{position:sticky;top:110px}
        .sticky-note h2{margin:15px 0;font:700 clamp(29px,3.7vw,45px)/1.12 "Playfair Display",Georgia,serif}
        .sticky-note p{color:var(--muted);margin:0}
        .numbered-list{border-top:1px solid var(--line)}
        .numbered-item{display:grid;grid-template-columns:70px 1fr auto;gap:22px;align-items:start;padding:26px 0;border-bottom:1px solid var(--line)}
        .numbered-item .num{color:var(--amber);font:700 26px "Playfair Display",Georgia,serif}
        .numbered-item h3{margin:0 0 5px;font-size:19px}
        .numbered-item p{margin:0;color:var(--muted);font-size:14px}
        .numbered-item .time{color:var(--bronze);font-size:12px;white-space:nowrap}
        .matrix-section{background:var(--coal);border-block:1px solid var(--line-light)}
        .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .matrix-item{padding:26px 24px;border:1px solid var(--line);background:rgba(18,18,18,.58);border-radius:var(--radius);transition:var(--ease)}
        .matrix-item:hover{transform:translateY(-5px);border-color:var(--amber);box-shadow:0 15px 34px rgba(0,0,0,.2)}
        .matrix-icon{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--bronze);border-radius:12px;color:var(--amber);font-size:19px;margin-bottom:19px}
        .matrix-item h3{margin:0 0 8px;font-size:18px}
        .matrix-item p{margin:0;color:var(--muted);font-size:14px}
        .comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
        .compare-box{padding:30px;border-radius:var(--radius);border:1px solid var(--line-light);background:rgba(255,255,255,.025)}
        .compare-box.highlight{border-color:rgba(255,191,0,.5);background:linear-gradient(145deg,rgba(197,160,89,.13),rgba(255,255,255,.025))}
        .compare-box h3{margin:0 0 21px;font:700 25px "Playfair Display",Georgia,serif}
        .check-list{display:grid;gap:14px;margin:0;padding:0;list-style:none}
        .check-list li{display:flex;gap:11px;color:#d6d4d8;font-size:14px}
        .check-list li::before{content:"✓";color:var(--amber);font-weight:700}
        .payment-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
        .payment-badge{padding:8px 12px;color:var(--cream);font-size:12px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.04)}
        .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:80px}
        .faq-list{border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:20px 0}
        summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:18px;font-weight:700}
        summary::-webkit-details-marker{display:none}
        summary::after{content:"+";color:var(--amber);font-size:22px;font-weight:400;line-height:1}
        details[open] summary::after{content:"−"}
        details p{color:var(--muted);font-size:14px;margin:13px 34px 0 0}
        .cta-section{padding:78px 0;background:linear-gradient(120deg,#2b2414,var(--coal));border-top:1px solid var(--line);text-align:center}
        .cta-section h2{margin:13px auto 12px;max-width:700px;font:700 clamp(31px,4vw,48px)/1.12 "Playfair Display",Georgia,serif}
        .cta-section p{max-width:650px;margin:0 auto;color:var(--muted)}
        .cta-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:26px}
        .site-footer{padding:65px 0 0;background:#0d0d0e;border-top:1px solid var(--line-light)}
        .footer-grid{display:grid;grid-template-columns:1.45fr .8fr .9fr 1fr;gap:45px}
        .footer-col>p{color:var(--muted);font-size:13px;max-width:310px}
        .footer-title{font-size:14px;color:var(--cream);margin:4px 0 17px}
        .footer-col>a:not(.brand){display:block;color:var(--muted);font-size:13px;margin:10px 0;transition:var(--ease)}
        .footer-col>a:not(.brand):hover{color:var(--amber);padding-left:4px}
        .responsible{padding:18px;border:1px solid var(--line);border-radius:14px;color:var(--muted);font-size:12px}
        .responsible b{display:block;color:var(--amber);font-size:13px;margin-bottom:8px}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:22px 0;margin-top:52px;border-top:1px solid var(--line-light);color:#77777d;font-size:11px}
        .fab{position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border:1px solid var(--amber);border-radius:50%;display:grid;place-items:center;background:rgba(18,18,18,.92);color:var(--amber);font-size:24px;box-shadow:0 4px 20px rgba(255,215,0,.3);opacity:.76;transition:var(--ease);animation:float 3s ease-in-out infinite}
        .fab:hover{opacity:1;transform:scale(1.1) rotate(360deg)}
        .fab::after{content:"";position:absolute;right:-1px;top:-1px;width:10px;height:10px;border-radius:50%;background:#b21e2b;box-shadow:0 0 9px #e43d4c}
        @keyframes float{50%{transform:translateY(-5px)}}
        @media(max-width:1024px){
            .nav-menu{gap:0}.nav-menu a{padding-inline:8px;font-size:12px}.nav-actions{min-width:auto}
            .hero-grid{gap:35px}.split-layout,.faq-layout{gap:45px}.footer-grid{gap:25px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 34px))}
            .topbar{height:70px}.nav-wrap{gap:12px}.brand{min-width:0}.brand-text{font-size:11px}.brand-mark{width:34px;height:34px}
            .nav-toggle{display:block;margin-left:auto}.nav-menu{display:none;position:absolute;top:70px;left:17px;right:17px;padding:12px;flex-direction:column;align-items:stretch;background:rgba(28,28,30,.98);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
            .nav-menu.open{display:flex}.nav-menu a{padding:13px 14px}.nav-actions{gap:8px}.login-link{font-size:12px}.nav-actions .btn{min-height:40px;padding:0 12px;font-size:11px}
            .hero{padding:130px 0 75px}.hero-grid{grid-template-columns:1fr;gap:30px}.hero h1{font-size:clamp(39px,11vw,57px)}.hero-stage{min-height:360px}.phone-frame{height:350px;width:207px}
            .metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric{border-bottom:1px solid var(--line-light)}
            .section{padding:76px 0}.split-layout,.faq-layout{grid-template-columns:1fr}.sticky-note{position:static}.matrix{grid-template-columns:1fr 1fr}
            .comparison{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-col:first-child{grid-column:span 2}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 28px)}.brand-text span{font-size:8px}.nav-actions{margin-left:auto}.nav-actions .login-link{display:none}
            .hero{padding-top:116px}.hero-intro{font-size:15px}.hero-actions .btn{width:100%}.hero-points{gap:15px}.hero-point{font-size:11px}
            .metrics{grid-template-columns:1fr 1fr}.metric{padding:21px 15px}.metric strong{font-size:25px}
            .matrix{grid-template-columns:1fr}.numbered-item{grid-template-columns:43px 1fr}.numbered-item .time{grid-column:2}.compare-box{padding:23px 19px}
            .footer-grid{grid-template-columns:1fr;gap:23px}.footer-col:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}.cta-section{text-align:left}.cta-actions{justify-content:flex-start}.fab{left:14px;bottom:83px}
        }