/* roulang page: index */
:root {
            --bg: #080b16;
            --bg-soft: #0d1222;
            --panel: #11182b;
            --panel-light: #151e35;
            --line: rgba(154, 169, 210, .16);
            --text: #f5f7ff;
            --muted: #9ca8c3;
            --muted-2: #73809e;
            --primary: #6675f4;
            --primary-deep: #4b5ce5;
            --cyan: #4dd9f7;
            --green: #5ce0ae;
            --radius-lg: 28px;
            --radius-md: 18px;
            --shadow: 0 24px 70px rgba(0, 0, 0, .32);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg);
            color: var(--text);
            font-family: "Noto Sans SC", "Manrope", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; }
        button, a { -webkit-tap-highlight-color: transparent; }
        img { display: block; max-width: 100%; }
        .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
        .section { padding: 112px 0; position: relative; }
        .section.alt { background: rgba(17, 24, 43, .58); border-top: 1px solid rgba(255,255,255,.035); border-bottom: 1px solid rgba(255,255,255,.035); }
        .section-head { max-width: 760px; margin-bottom: 48px; }
        .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--cyan);
            text-transform: uppercase;
            letter-spacing: .12em;
            font-size: 12px;
            font-weight: 800;
            margin-bottom: 15px;
        }
        .eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--cyan); border-radius: 2px; }
        h1, h2, h3 { line-height: 1.2; letter-spacing: -.035em; }
        h1 { font-size: clamp(42px, 6vw, 76px); font-weight: 800; }
        h2 { font-size: clamp(30px, 4vw, 48px); font-weight: 800; }
        h3 { font-size: 21px; font-weight: 700; }
        .section-head p, .hero-copy p { color: var(--muted); font-size: 16px; line-height: 1.9; margin-top: 18px; }
        .topline {
            background: #0b1020;
            border-bottom: 1px solid var(--line);
            color: var(--muted);
            font-size: 12px;
            padding: 8px 0;
        }
        .topline-inner { display: flex; justify-content: space-between; gap: 20px; }
        .topline span { display: inline-flex; gap: 8px; align-items: center; }
        header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(8, 11, 22, .82);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,255,255,.07);
        }
        .nav {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; font-size: 20px; white-space: nowrap; }
        .brand-mark {
            width: 38px; height: 38px; border-radius: 13px;
            display: grid; place-items: center;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: white; box-shadow: 0 8px 24px rgba(102,117,244,.35);
        }
        .nav-links { display: flex; align-items: center; gap: 28px; color: #b7c0d8; font-size: 14px; }
        .nav-links a { transition: .25s ease; position: relative; }
        .nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--cyan); transition: .25s ease; }
        .nav-links a:hover, .nav-links a.active { color: #fff; }
        .nav-links a:hover::after, .nav-links a.active::after { right: 0; }
        .nav-action { display: flex; align-items: center; gap: 12px; }
        .mobile-menu { display: none; border: 1px solid var(--line); background: transparent; color: #fff; width: 42px; height: 42px; border-radius: 12px; }
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 9px;
            min-height: 48px; padding: 0 21px; border-radius: 14px;
            font-weight: 700; font-size: 14px; border: 1px solid transparent;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
        }
        .btn:hover { transform: translateY(-3px); }
        .btn:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid rgba(77,217,247,.48); outline-offset: 3px; }
        .btn-primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-deep)); box-shadow: 0 14px 32px rgba(75,92,229,.27); }
        .btn-primary:hover { box-shadow: 0 18px 38px rgba(75,92,229,.42); }
        .btn-ghost { border-color: var(--line); background: rgba(255,255,255,.035); color: #e8ecfa; }
        .btn-ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(139,152,255,.45); }
        .hero {
            min-height: 680px; display: flex; align-items: center; position: relative; overflow: hidden;
            background: #080b16;
        }
        .hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .25; filter: saturate(.8); }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, #080b16 4%, rgba(8,11,22,.84) 42%, rgba(8,11,22,.42) 100%), linear-gradient(0deg, #080b16 0%, transparent 30%, rgba(8,11,22,.45) 100%); }
        .hero::after { content: ""; position: absolute; width: 540px; height: 540px; right: 4%; top: 10%; background: radial-gradient(circle, rgba(102,117,244,.25), transparent 65%); pointer-events: none; }
        .hero-content { position: relative; z-index: 2; width: min(1180px, calc(100% - 40px)); margin: auto; }
        .hero-copy { max-width: 720px; }
        .hero-copy h1 span { color: var(--cyan); }
        .hero-copy p { max-width: 650px; font-size: 17px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
        .hero-meta { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 42px; color: #c5cce0; font-size: 13px; }
        .hero-meta span { display: inline-flex; align-items: center; gap: 9px; }
        .hero-meta i { color: var(--green); }
        .signal-board {
            position: absolute; z-index: 2; right: 8%; bottom: 78px; width: 305px;
            border: 1px solid var(--line); border-radius: 22px; background: rgba(15,22,42,.75);
            box-shadow: var(--shadow); backdrop-filter: blur(18px); padding: 22px;
        }
        .signal-top { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; }
        .signal-status { color: var(--green); display: inline-flex; gap: 7px; align-items: center; }
        .signal-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
        .signal-number { font-family: Manrope, sans-serif; font-size: 50px; font-weight: 800; margin: 20px 0 4px; }
        .signal-number small { font-size: 16px; color: var(--muted); font-weight: 500; }
        .signal-line { height: 78px; margin: 8px 0 18px; position: relative; overflow: hidden; }
        .signal-line svg { width: 100%; height: 100%; }
        .signal-footer { display: flex; justify-content: space-between; color: var(--muted-2); font-size: 11px; }
        .marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #0d1222; overflow: hidden; }
        .marquee-track { display: flex; gap: 48px; width: max-content; padding: 14px 0; animation: move 28s linear infinite; color: #b7c1db; font-size: 13px; }
        .marquee-track strong { color: #fff; }
        @keyframes move { from { transform: translateX(0); } to { transform: translateX(-50%); } }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        .card {
            background: linear-gradient(145deg, rgba(21,30,53,.92), rgba(13,18,34,.92));
            border: 1px solid var(--line); border-radius: var(--radius-md); padding: 28px;
            transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
        }
        .card:hover { transform: translateY(-7px); border-color: rgba(102,117,244,.55); box-shadow: 0 20px 45px rgba(0,0,0,.22); }
        .card p { color: var(--muted); font-size: 14px; line-height: 1.85; margin-top: 12px; }
        .icon-box { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; background: rgba(102,117,244,.14); color: var(--cyan); font-size: 20px; margin-bottom: 22px; }
        .tag { display: inline-flex; padding: 5px 10px; border-radius: 999px; background: rgba(77,217,247,.1); color: var(--cyan); font-size: 11px; font-weight: 700; }
        .split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
        .node-map { min-height: 370px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: radial-gradient(circle at 54% 45%, rgba(102,117,244,.24), transparent 23%), #0b1121; position: relative; overflow: hidden; box-shadow: var(--shadow); }
        .node-map::before, .node-map::after { content: ""; position: absolute; inset: 15% 12%; border: 1px dashed rgba(114,142,255,.23); border-radius: 50%; transform: rotate(-18deg); }
        .node-map::after { inset: 28% 22%; transform: rotate(28deg); }
        .node { position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 7px rgba(77,217,247,.1), 0 0 20px var(--cyan); }
        .node::after { content: ""; position: absolute; left: 18px; top: 4px; width: 90px; height: 1px; background: linear-gradient(90deg, rgba(77,217,247,.7), transparent); transform-origin: left; }
        .node.a { left: 24%; top: 31%; }.node.b { left: 68%; top: 25%; }.node.c { left: 73%; top: 67%; }.node.d { left: 32%; top: 73%; }
        .map-label { position: absolute; color: #bbc6e3; font-size: 12px; }.map-label.one { left: 15%; top: 25%; }.map-label.two { right: 13%; top: 19%; }.map-label.three { right: 10%; bottom: 21%; }.map-label.four { left: 22%; bottom: 17%; }
        .fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
        .fit-card { padding: 28px; border-radius: var(--radius-md); border: 1px solid var(--line); }
        .fit-card.good { background: linear-gradient(140deg, rgba(46,105,107,.26), rgba(17,24,43,.7)); }
        .fit-card.bad { background: linear-gradient(140deg, rgba(126,67,91,.22), rgba(17,24,43,.7)); }
        .fit-card ul { list-style: none; margin-top: 20px; display: grid; gap: 13px; color: var(--muted); font-size: 14px; }
        .fit-card li { display: flex; align-items: flex-start; gap: 10px; }
        .fit-card.good i { color: var(--green); }.fit-card.bad i { color: #f08ca8; }
        .plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; align-items: stretch; }
        .plan { position: relative; padding: 26px 22px; border: 1px solid var(--line); border-radius: 20px; background: #10182c; }
        .plan.recommend { border-color: rgba(102,117,244,.7); background: linear-gradient(155deg, rgba(76,91,218,.25), rgba(16,24,44,.95)); box-shadow: 0 18px 48px rgba(45,54,154,.2); }
        .plan-label { position: absolute; top: 16px; right: 16px; color: var(--cyan); font-size: 11px; font-weight: 700; }
        .plan h3 { margin-bottom: 10px; }.price { font-family: Manrope, sans-serif; font-size: 38px; font-weight: 800; }.price small { font-family: "Noto Sans SC"; font-size: 12px; color: var(--muted); font-weight: 400; }
        .plan p { color: var(--muted); font-size: 13px; min-height: 52px; margin: 10px 0 20px; line-height: 1.7; }
        .plan .btn { width: 100%; }
        .route-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
        .route-main { min-height: 290px; border-radius: var(--radius-lg); padding: 34px; background: linear-gradient(135deg, rgba(86,99,227,.72), rgba(26,38,83,.8)), url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1200&q=80") center/cover; position: relative; overflow: hidden; }
        .route-main::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(13,19,44,.78), rgba(13,19,44,.1)); }
        .route-main > * { position: relative; z-index: 1; max-width: 470px; }.route-main p { color: #dce2ff; margin: 16px 0 24px; font-size: 14px; }
        .route-side { display: grid; gap: 18px; }.route-mini { padding: 25px; border-radius: var(--radius-md); background: var(--panel); border: 1px solid var(--line); }
        .route-mini strong { display: block; font-size: 16px; margin-bottom: 8px; }.route-mini span { color: var(--muted); font-size: 13px; }
        .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
        .stat { background: #10172a; padding: 28px 24px; }.stat strong { display: block; font-family: Manrope; font-size: 36px; color: #fff; }.stat span { color: var(--muted); font-size: 13px; }
        .news-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 18px; }.news-card { overflow: hidden; padding: 0; }.news-cover { height: 175px; background-size: cover; background-position: center; }.news-body { padding: 23px; }.news-body time { color: var(--cyan); font-size: 12px; }.news-body h3 { margin-top: 9px; font-size: 18px; }.news-body p { margin-top: 10px; }
        .reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }.review { padding: 26px; background: #10182c; border: 1px solid var(--line); border-radius: var(--radius-md); }.stars { color: #ffd66b; letter-spacing: 2px; font-size: 13px; }.review p { color: #c4cce0; margin: 17px 0 22px; font-size: 14px; line-height: 1.9; }.review-user { display: flex; align-items: center; gap: 11px; font-size: 13px; color: #e9edfb; }.avatar { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg, #6675f4, #42cfe7); font-weight: 800; }
        .security { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }.security-item { display: flex; gap: 14px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.025); }.security-item i { color: var(--green); font-size: 19px; margin-top: 4px; }.security-item strong { display: block; font-size: 14px; }.security-item span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }.faq { padding: 23px 25px; border-radius: 16px; border: 1px solid var(--line); background: #10172a; }.faq h3 { font-size: 16px; display: flex; gap: 12px; }.faq h3::before { content: "问"; color: var(--cyan); font-size: 12px; border: 1px solid rgba(77,217,247,.4); border-radius: 6px; padding: 2px 5px; }.faq p { color: var(--muted); font-size: 13px; margin: 12px 0 0 30px; line-height: 1.8; }
        .final-cta { padding: 78px 0; background: radial-gradient(circle at 20% 50%, rgba(102,117,244,.22), transparent 34%), #0f1629; border-top: 1px solid var(--line); }.cta-inner { display: flex; justify-content: space-between; gap: 35px; align-items: center; }.cta-inner p { color: var(--muted); max-width: 590px; margin-top: 12px; }
        footer { background: #070a13; padding: 58px 0 25px; border-top: 1px solid rgba(255,255,255,.06); }.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }.footer-brand p { color: var(--muted); font-size: 13px; max-width: 290px; margin-top: 16px; }.footer-col h4 { font-size: 14px; margin-bottom: 18px; }.footer-col a { display: block; color: var(--muted); font-size: 13px; margin: 11px 0; transition: .25s ease; }.footer-col a:hover { color: #fff; transform: translateX(3px); }.footer-bottom { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-top: 22px; margin-top: 45px; color: var(--muted-2); font-size: 12px; }
        @media (max-width: 1024px) {
            .signal-board { right: 4%; opacity: .82; }.plans { grid-template-columns: repeat(2, 1fr); }.security { grid-template-columns: repeat(2, 1fr); }.footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container, .hero-content { width: min(100% - 28px, 620px); }.section { padding: 78px 0; }.topline { display: none; }
            .nav { min-height: 68px; }.nav-links { display: none; position: absolute; left: 14px; right: 14px; top: 75px; padding: 14px; flex-direction: column; align-items: stretch; gap: 0; background: #11182b; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }.nav-links.open { display: flex; }.nav-links a { padding: 12px 10px; }.nav-links a::after { display: none; }.nav-action .btn { display: none; }.mobile-menu { display: block; }
            .hero { min-height: 730px; align-items: flex-start; padding-top: 105px; }.hero-overlay { background: linear-gradient(180deg, rgba(8,11,22,.65), #080b16 83%); }.signal-board { left: 14px; right: auto; bottom: 28px; width: 280px; }.hero-copy p { font-size: 15px; }
            .grid-3, .grid-4, .split, .route-grid, .news-grid, .reviews { grid-template-columns: 1fr; }.split { gap: 35px; }.node-map { min-height: 290px; }.fit-grid, .faq-grid { grid-template-columns: 1fr; }.stats { grid-template-columns: repeat(2, 1fr); }.cta-inner { display: block; }.cta-inner .btn { margin-top: 24px; }.footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            h1 { font-size: 41px; }.hero-actions { display: grid; }.hero-actions .btn { width: 100%; }.hero-meta { gap: 12px; display: grid; }.plans, .security { grid-template-columns: 1fr; }.stats strong { font-size: 29px; }.footer-grid { grid-template-columns: 1fr; }.footer-bottom { display: block; }.footer-bottom span { display: block; margin-top: 8px; }
        }

/* roulang page: category1 */
:root {
            --bg: #080b16;
            --bg-soft: #0d1222;
            --panel: #11182b;
            --panel-light: #151e35;
            --line: rgba(154,169,210,.16);
            --text: #f5f7ff;
            --muted: #9ca8c3;
            --muted-2: #73809e;
            --primary: #6675f4;
            --primary-deep: #4b5ce5;
            --cyan: #4dd9f7;
            --green: #5ce0ae;
            --orange: #ffbd70;
            --radius-lg: 28px;
            --radius-md: 18px;
            --shadow: 0 24px 70px rgba(0,0,0,.32);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            background:
                radial-gradient(circle at 80% 0%, rgba(77,217,247,.055), transparent 28%),
                var(--bg);
            color: var(--text);
            font-family: "Noto Sans SC","Manrope",sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, a { -webkit-tap-highlight-color: transparent; }
        button { font-family: inherit; cursor: pointer; }
        .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
        .section { padding: 104px 0; position: relative; }
        .section.alt {
            background: rgba(17,24,43,.58);
            border-top: 1px solid rgba(255,255,255,.035);
            border-bottom: 1px solid rgba(255,255,255,.035);
        }
        .section-head { max-width: 760px; margin-bottom: 44px; }
        .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
        .section-head h2 {
            font-size: clamp(28px,4vw,46px);
            line-height: 1.2;
            letter-spacing: -.045em;
            font-weight: 800;
        }
        .section-head p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.9;
            margin-top: 17px;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--cyan);
            text-transform: uppercase;
            letter-spacing: .12em;
            font-size: 12px;
            font-weight: 800;
            margin-bottom: 15px;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            border-radius: 2px;
            background: var(--cyan);
        }

        header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(8,11,22,.84);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,255,255,.07);
        }
        .nav {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            font-weight: 800;
            font-size: 20px;
            white-space: nowrap;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 13px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg,var(--primary),var(--cyan));
            color: white;
            box-shadow: 0 8px 24px rgba(102,117,244,.35);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            color: #b7c0d8;
            font-size: 14px;
        }
        .nav-links a {
            position: relative;
            transition: .25s ease;
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            right: 100%;
            bottom: -9px;
            height: 2px;
            border-radius: 2px;
            background: var(--cyan);
            transition: .25s ease;
        }
        .nav-links a:hover,
        .nav-links a.active { color: #fff; }
        .nav-links a:hover::after,
        .nav-links a.active::after { right: 0; }
        .nav-action { display: flex; align-items: center; gap: 12px; }
        .mobile-menu {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            border-radius: 12px;
            background: transparent;
            color: #fff;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 0 21px;
            border-radius: 14px;
            font-size: 14px;
            font-weight: 700;
            border: 1px solid transparent;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
        }
        .btn:hover { transform: translateY(-3px); }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(77,217,247,.48);
            outline-offset: 3px;
        }
        .btn-primary {
            color: #fff;
            background: linear-gradient(135deg,var(--primary),var(--primary-deep));
            box-shadow: 0 14px 32px rgba(75,92,229,.27);
        }
        .btn-primary:hover { box-shadow: 0 18px 38px rgba(75,92,229,.42); }
        .btn-ghost {
            color: #e8ecfa;
            background: rgba(255,255,255,.035);
            border-color: var(--line);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,.08);
            border-color: rgba(139,152,255,.45);
        }

        .category-hero {
            position: relative;
            min-height: 650px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background:
                linear-gradient(90deg,#080b16 5%,rgba(8,11,22,.88) 38%,rgba(8,11,22,.48) 100%),
                linear-gradient(0deg,#080b16 0%,transparent 38%,rgba(8,11,22,.42) 100%),
                url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=2000&q=88") center/cover no-repeat;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            width: 580px;
            height: 580px;
            right: 6%;
            top: 5%;
            border-radius: 50%;
            background: radial-gradient(circle,rgba(102,117,244,.26),transparent 68%);
            filter: blur(4px);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            width: min(1180px,calc(100% - 40px));
            margin: 0 auto;
        }
        .hero-copy { max-width: 720px; }
        .hero-copy h1 {
            font-size: clamp(42px,6vw,78px);
            line-height: 1.08;
            letter-spacing: -.065em;
            font-weight: 800;
        }
        .hero-copy h1 span { color: var(--cyan); }
        .hero-copy p {
            max-width: 660px;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.9;
            margin-top: 22px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 13px;
            margin-top: 32px;
        }
        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            margin-top: 35px;
            color: #c5cce0;
            font-size: 13px;
        }
        .hero-points span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-points i { color: var(--green); }
        .campaign-bar {
            display: inline-flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 8px 11px 8px 15px;
            margin-bottom: 23px;
            border: 1px solid rgba(77,217,247,.22);
            border-radius: 999px;
            background: rgba(13,18,34,.72);
            color: #dbe5ff;
            font-size: 12px;
            box-shadow: 0 10px 32px rgba(0,0,0,.16);
        }
        .campaign-bar strong {
            color: var(--cyan);
            font-weight: 800;
        }
        .countdown {
            display: inline-flex;
            gap: 5px;
            color: #fff;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
        }
        .countdown b {
            min-width: 25px;
            padding: 2px 5px;
            border-radius: 6px;
            background: rgba(102,117,244,.22);
            text-align: center;
        }

        .feature-strip {
            position: relative;
            z-index: 3;
            margin-top: -1px;
            border-top: 1px solid rgba(255,255,255,.08);
            border-bottom: 1px solid rgba(255,255,255,.08);
            background: rgba(13,18,34,.88);
        }
        .strip-inner {
            min-height: 78px;
            display: grid;
            grid-template-columns: repeat(4,1fr);
            align-items: center;
            gap: 20px;
        }
        .strip-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #dfe6f8;
            font-size: 13px;
        }
        .strip-item i {
            color: var(--cyan);
            font-size: 18px;
        }
        .strip-item small {
            display: block;
            color: var(--muted-2);
            font-size: 11px;
        }

        .scheme-layout {
            display: grid;
            grid-template-columns: .84fr 1.16fr;
            gap: 46px;
            align-items: start;
        }
        .scheme-intro {
            position: sticky;
            top: 116px;
        }
        .scheme-intro h2 {
            font-size: clamp(30px,4vw,48px);
            line-height: 1.2;
            letter-spacing: -.05em;
        }
        .scheme-intro p {
            color: var(--muted);
            margin-top: 18px;
            line-height: 1.9;
        }
        .scheme-note {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            padding: 17px;
            border-radius: 16px;
            background: rgba(77,217,247,.06);
            border: 1px solid rgba(77,217,247,.15);
            color: #cbd7ed;
            font-size: 13px;
        }
        .scheme-note i { color: var(--cyan); margin-top: 4px; }
        .scheme-list { display: grid; gap: 14px; }
        .scheme-card {
            display: grid;
            grid-template-columns: 54px 1fr auto;
            align-items: center;
            gap: 18px;
            padding: 21px 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: linear-gradient(135deg,rgba(21,30,53,.92),rgba(13,18,34,.92));
            transition: .3s ease;
        }
        .scheme-card:hover {
            transform: translateX(6px);
            border-color: rgba(102,117,244,.58);
            box-shadow: 0 18px 36px rgba(0,0,0,.2);
        }
        .scheme-icon {
            width: 54px;
            height: 54px;
            display: grid;
            place-items: center;
            border-radius: 17px;
            color: var(--cyan);
            background: rgba(77,217,247,.1);
            font-size: 20px;
        }
        .scheme-card h3 { font-size: 17px; }
        .scheme-card p {
            color: var(--muted);
            font-size: 13px;
            margin-top: 4px;
            line-height: 1.7;
        }
        .scheme-card .arrow { color: var(--muted-2); transition: .25s; }
        .scheme-card:hover .arrow { color: var(--cyan); transform: translateX(3px); }

        .node-layout {
            display: grid;
            grid-template-columns: 1fr .92fr;
            gap: 25px;
            align-items: stretch;
        }
        .node-panel,
        .signal-panel {
            min-height: 340px;
            padding: 30px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg,rgba(21,30,53,.94),rgba(13,18,34,.96));
            box-shadow: var(--shadow);
        }
        .node-panel h3,
        .signal-panel h3 { font-size: 22px; }
        .node-panel > p,
        .signal-panel > p { color: var(--muted); font-size: 14px; margin-top: 9px; }
        .node-list { display: grid; gap: 12px; margin-top: 25px; }
        .node-row {
            display: grid;
            grid-template-columns: 120px 1fr 70px;
            align-items: center;
            gap: 13px;
            padding: 13px 14px;
            border-radius: 13px;
            background: rgba(255,255,255,.035);
            font-size: 13px;
        }
        .node-name { color: #e7ecfa; }
        .node-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--green);
            font-size: 11px;
        }
        .node-status::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--green);
            box-shadow: 0 0 10px var(--green);
        }
        .node-bar {
            height: 6px;
            border-radius: 99px;
            background: rgba(255,255,255,.08);
            overflow: hidden;
        }
        .node-bar i {
            display: block;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg,var(--primary),var(--cyan));
        }
        .node-ms { color: #fff; text-align: right; font-weight: 700; font-size: 12px; }
        .signal-chart {
            height: 190px;
            display: flex;
            align-items: end;
            gap: 9px;
            margin-top: 28px;
            padding: 20px 15px 0;
            border-radius: 17px;
            background:
                linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),
                rgba(8,11,22,.35);
            background-size: 100% 33px, 42px 100%;
        }
        .signal-chart span {
            flex: 1;
            min-width: 5px;
            border-radius: 8px 8px 2px 2px;
            background: linear-gradient(180deg,var(--cyan),var(--primary-deep));
            opacity: .9;
            animation: pulse 2.8s ease-in-out infinite alternate;
        }
        .signal-chart span:nth-child(2n) { animation-delay: .3s; }
        .signal-chart span:nth-child(3n) { animation-delay: .7s; }
        @keyframes pulse { from { transform: scaleY(.82); } to { transform: scaleY(1); } }
        .chart-caption {
            display: flex;
            justify-content: space-between;
            margin-top: 13px;
            color: var(--muted-2);
            font-size: 11px;
        }

        .plans-head {
            display: flex;
            justify-content: space-between;
            align-items: end;
            gap: 24px;
        }
        .plans-head > p {
            max-width: 390px;
            color: var(--muted);
            font-size: 14px;
        }
        .plans-grid {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 15px;
            margin-top: 40px;
        }
        .plan-card {
            position: relative;
            padding: 25px 22px;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            background: linear-gradient(150deg,rgba(21,30,53,.95),rgba(13,18,34,.95));
            transition: .3s ease;
        }
        .plan-card.featured {
            border-color: rgba(102,117,244,.72);
            box-shadow: 0 18px 45px rgba(75,92,229,.18);
            transform: translateY(-10px);
        }
        .plan-card:hover { transform: translateY(-7px); border-color: rgba(102,117,244,.58); }
        .plan-card.featured:hover { transform: translateY(-14px); }
        .plan-ribbon {
            position: absolute;
            right: 16px;
            top: 16px;
            padding: 4px 8px;
            border-radius: 99px;
            background: rgba(92,224,174,.12);
            color: var(--green);
            font-size: 10px;
            font-weight: 800;
        }
        .plan-card h3 { font-size: 18px; }
        .plan-card .desc { color: var(--muted); font-size: 12px; margin-top: 7px; }
        .price {
            margin: 22px 0;
            font-size: 35px;
            font-weight: 800;
            letter-spacing: -.04em;
        }
        .price small { color: var(--muted-2); font-size: 12px; font-weight: 500; }
        .plan-features {
            display: grid;
            gap: 10px;
            min-height: 123px;
            color: #c9d2e8;
            font-size: 12px;
        }
        .plan-features li {
            list-style: none;
            display: flex;
            gap: 8px;
        }
        .plan-features i { color: var(--green); margin-top: 5px; }
        .plan-card .btn { width: 100%; margin-top: 20px; }

        .stats-section { padding: 68px 0; }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 1px;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: var(--line);
        }
        .stat {
            min-height: 145px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 24px;
            background: rgba(17,24,43,.92);
        }
        .stat strong {
            font-size: 35px;
            line-height: 1.1;
            letter-spacing: -.06em;
        }
        .stat span { color: var(--muted); font-size: 13px; margin-top: 8px; }

        .audience-grid {
            display: grid;
            grid-template-columns: 1.12fr .88fr;
            gap: 22px;
        }
        .audience-main {
            min-height: 340px;
            padding: 34px;
            border-radius: var(--radius-lg);
            background:
                linear-gradient(120deg,rgba(102,117,244,.18),rgba(17,24,43,.76)),
                url("https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1200&q=80") center/cover;
            border: 1px solid rgba(102,117,244,.28);
            display: flex;
            flex-direction: column;
            justify-content: end;
        }
        .audience-main h3 { max-width: 470px; font-size: 29px; line-height: 1.3; }
        .audience-main p { max-width: 500px; color: #c6d0e6; font-size: 14px; margin-top: 12px; }
        .audience-list { display: grid; gap: 14px; }
        .audience-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            padding: 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: rgba(21,30,53,.76);
        }
        .audience-item i {
            width: 40px;
            height: 40px;
            display: grid;
            place-items: center;
            flex: 0 0 auto;
            border-radius: 12px;
            color: var(--cyan);
            background: rgba(77,217,247,.1);
        }
        .audience-item h4 { font-size: 15px; }
        .audience-item p { color: var(--muted); font-size: 12px; margin-top: 4px; line-height: 1.7; }

        .faq-layout {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 56px;
        }
        .faq-intro p { color: var(--muted); margin-top: 17px; font-size: 14px; line-height: 1.9; }
        .faq-list { display: grid; gap: 11px; }
        details {
            border: 1px solid var(--line);
            border-radius: 15px;
            background: rgba(21,30,53,.72);
            overflow: hidden;
        }
        summary {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding: 19px 21px;
            color: #edf1ff;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            list-style: none;
        }
        summary::-webkit-details-marker { display: none; }
        summary i { color: var(--cyan); transition: .25s; }
        details[open] summary i { transform: rotate(45deg); }
        details p {
            padding: 0 21px 20px;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.85;
        }

        .cta {
            padding: 75px 0;
            background:
                radial-gradient(circle at 85% 30%,rgba(77,217,247,.16),transparent 28%),
                radial-gradient(circle at 15% 100%,rgba(102,117,244,.2),transparent 34%),
                #10172b;
            border-top: 1px solid rgba(255,255,255,.06);
            border-bottom: 1px solid rgba(255,255,255,.06);
        }
        .cta-box {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 35px;
        }
        .cta-box h2 {
            max-width: 650px;
            font-size: clamp(28px,4vw,46px);
            line-height: 1.2;
            letter-spacing: -.05em;
        }
        .cta-box p { color: var(--muted); font-size: 15px; margin-top: 12px; }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; flex: 0 0 auto; }

        footer {
            padding: 70px 0 26px;
            background: #070a13;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand p {
            max-width: 310px;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.9;
            margin-top: 17px;
        }
        .footer-col { display: flex; flex-direction: column; gap: 11px; }
        .footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 7px; }
        .footer-col a { color: var(--muted); font-size: 13px; transition: .2s; }
        .footer-col a:hover { color: var(--cyan); transform: translateX(2px); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 55px;
            padding-top: 21px;
            border-top: 1px solid rgba(255,255,255,.08);
            color: var(--muted-2);
            font-size: 11px;
        }

        @media (max-width: 1024px) {
            .nav-links { gap: 16px; }
            .scheme-layout,
            .node-layout,
            .audience-grid,
            .faq-layout { gap: 25px; }
            .plans-grid { grid-template-columns: repeat(2,1fr); }
            .plan-card.featured { transform: none; }
            .plan-card.featured:hover { transform: translateY(-7px); }
        }
        @media (max-width: 768px) {
            .container,
            .hero-inner { width: min(100% - 30px, 620px); }
            .section { padding: 76px 0; }
            .nav { min-height: 68px; }
            .nav-action .btn { display: none; }
            .mobile-menu { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                left: 15px;
                right: 15px;
                top: 76px;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 9px;
                border: 1px solid var(--line);
                border-radius: 16px;
                background: rgba(13,18,34,.98);
                box-shadow: var(--shadow);
            }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 13px 14px; border-radius: 10px; }
            .nav-links a:hover,
            .nav-links a.active { background: rgba(102,117,244,.14); }
            .nav-links a::after { display: none; }
            .category-hero { min-height: 650px; }
            .strip-inner { grid-template-columns: repeat(2,1fr); padding: 17px 0; }
            .scheme-layout,
            .node-layout,
            .audience-grid,
            .faq-layout { grid-template-columns: 1fr; }
            .scheme-intro { position: static; }
            .plans-head { display: block; }
            .plans-head > p { margin-top: 14px; }
            .stats-grid { grid-template-columns: repeat(2,1fr); }
            .cta-box { display: block; }
            .cta-actions { margin-top: 25px; }
            .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .brand { font-size: 17px; }
            .brand-mark { width: 34px; height: 34px; border-radius: 11px; }
            .hero-copy h1 { font-size: 43px; }
            .hero-copy p { font-size: 15px; }
            .campaign-bar { border-radius: 16px; }
            .hero-actions .btn { width: 100%; }
            .strip-inner { grid-template-columns: 1fr 1fr; gap: 14px 10px; }
            .strip-item { font-size: 11px; gap: 7px; }
            .strip-item i { font-size: 15px; }
            .scheme-card { grid-template-columns: 43px 1fr; gap: 13px; padding: 17px; }
            .scheme-icon { width: 43px; height: 43px; border-radius: 13px; font-size: 16px; }
            .scheme-card .arrow { display: none; }
            .node-panel,
            .signal-panel { padding: 22px 17px; }
            .node-row { grid-template-columns: 84px 1fr 43px; gap: 8px; padding: 11px 9px; }
            .plans-grid { grid-template-columns: 1fr; }
            .plan-card { padding: 23px 20px; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .stat { min-height: 120px; padding: 18px 15px; }
            .stat strong { font-size: 28px; }
            .audience-main { min-height: 330px; padding: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-bottom { display: block; line-height: 2; }
            .footer-bottom span { display: block; }
        }