/* roulang page: index */
:root {
            --primary: #31f2c2;
            --primary-dark: #17c9a1;
            --secondary: #6d7cff;
            --accent: #ffce55;
            --danger: #ff6d79;
            --ink: #eaf3ff;
            --muted: #94a6bd;
            --deep: #07111f;
            --deep-soft: #0b192a;
            --panel: #102237;
            --panel-light: #142a42;
            --line: rgba(166, 197, 226, .16);
            --white: #ffffff;
            --radius-sm: 10px;
            --radius: 18px;
            --radius-lg: 28px;
            --shadow: 0 24px 65px rgba(0, 0, 0, .28);
            --shadow-soft: 0 14px 35px rgba(0, 0, 0, .18);
            --container: 1180px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

        body {
            margin: 0;
            color: var(--ink);
            background:
                radial-gradient(circle at 10% 4%, rgba(49, 242, 194, .08), transparent 25rem),
                radial-gradient(circle at 94% 16%, rgba(109, 124, 255, .09), transparent 30rem),
                var(--deep);
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body.menu-open {
            overflow: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        button, input, select, textarea {
            font: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
        }

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

        ::selection {
            color: #04120e;
            background: var(--primary);
        }

        :focus-visible {
            outline: 3px solid rgba(49, 242, 194, .56);
            outline-offset: 3px;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            border-bottom: 1px solid var(--line);
            background: rgba(7, 17, 31, .88);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .14);
            backdrop-filter: blur(18px);
        }

        .nav-wrap {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: max-content;
            font-weight: 900;
            letter-spacing: -.02em;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            color: #051510;
            border-radius: 13px;
            background: linear-gradient(145deg, #78ffe0, var(--primary));
            box-shadow: 0 0 0 5px rgba(49, 242, 194, .08), 0 12px 25px rgba(49, 242, 194, .16);
            font-size: 17px;
            font-weight: 950;
        }

        .brand-text {
            font-size: 18px;
            color: var(--white);
        }

        .brand-text small {
            display: block;
            color: var(--muted);
            font-size: 10px;
            font-weight: 600;
            line-height: 1.1;
            letter-spacing: .16em;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }

        .nav-link {
            position: relative;
            padding: 10px 16px;
            color: #b8c7d8;
            border-radius: 11px;
            font-size: 14px;
            font-weight: 700;
        }

        .nav-link:hover {
            color: var(--white);
            background: rgba(255, 255, 255, .055);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(49, 242, 194, .09);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 17px;
            right: 17px;
            bottom: 4px;
            height: 2px;
            border-radius: 10px;
            background: var(--primary);
        }

        .nav-cta, .button-primary, .button-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 0 20px;
            border-radius: 13px;
            font-size: 14px;
            font-weight: 850;
            line-height: 1;
        }

        .nav-cta, .button-primary {
            color: #041712;
            background: var(--primary);
            box-shadow: 0 12px 26px rgba(49, 242, 194, .17);
        }

        .nav-cta:hover, .button-primary:hover {
            background: #6dffdc;
            box-shadow: 0 16px 32px rgba(49, 242, 194, .24);
            transform: translateY(-2px);
        }

        .button-secondary {
            color: var(--ink);
            border: 1px solid rgba(182, 210, 235, .2);
            background: rgba(255, 255, 255, .055);
        }

        .button-secondary:hover {
            color: var(--white);
            border-color: rgba(49, 242, 194, .45);
            background: rgba(49, 242, 194, .08);
            transform: translateY(-2px);
        }

        .menu-button {
            width: 44px;
            height: 44px;
            display: none;
            place-items: center;
            color: var(--ink);
            border: 1px solid var(--line);
            border-radius: 12px;
            background: var(--panel);
        }

        .menu-button span, .menu-button span::before, .menu-button span::after {
            width: 20px;
            height: 2px;
            display: block;
            border-radius: 10px;
            background: currentColor;
            transition: .2s ease;
        }

        .menu-button span {
            position: relative;
        }

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

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

        .mobile-menu {
            display: none;
            padding: 0 20px 20px;
            border-top: 1px solid var(--line);
            background: var(--deep);
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 8px;
            color: #c2d0de;
            border-bottom: 1px solid var(--line);
            font-weight: 750;
        }

        .mobile-menu a.active {
            color: var(--primary);
        }

        .section {
            position: relative;
            padding: 94px 0;
            border-top: 1px solid rgba(166, 197, 226, .075);
        }

        .section-compact {
            padding: 66px 0;
        }

        .section-soft {
            background: rgba(12, 28, 46, .46);
        }

        .section-heading {
            max-width: 780px;
            margin-bottom: 38px;
        }

        .section-heading.centered {
            margin-right: auto;
            margin-left: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 13px;
            color: var(--primary);
            font-size: 12px;
            font-weight: 900;
            letter-spacing: .14em;
        }

        .eyebrow::before {
            width: 20px;
            height: 2px;
            content: "";
            border-radius: 10px;
            background: currentColor;
        }

        .section-title {
            margin: 0;
            color: var(--white);
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 900;
            line-height: 1.18;
            letter-spacing: -.035em;
        }

        .section-description {
            margin: 18px 0 0;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.9;
        }

        .hero {
            position: relative;
            min-height: 690px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }

        .hero::before {
            position: absolute;
            inset: 0;
            content: "";
            background:
                linear-gradient(rgba(49, 242, 194, .035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(49, 242, 194, .035) 1px, transparent 1px);
            background-size: 56px 56px;
            mask-image: linear-gradient(to bottom, black, transparent 90%);
        }

        .hero-map {
            position: absolute;
            top: 7%;
            right: -7%;
            width: min(58vw, 820px);
            aspect-ratio: 1.15;
            opacity: .88;
            pointer-events: none;
        }

        .map-ring {
            position: absolute;
            inset: 11%;
            border: 1px solid rgba(49, 242, 194, .17);
            border-radius: 49% 51% 43% 57%;
            transform: rotate(-9deg);
            box-shadow: inset 0 0 70px rgba(49, 242, 194, .04);
        }

        .map-ring::before, .map-ring::after {
            position: absolute;
            content: "";
            border: 1px dashed rgba(109, 124, 255, .24);
            border-radius: inherit;
        }

        .map-ring::before {
            inset: 12%;
        }

        .map-ring::after {
            inset: 27%;
        }

        .map-line {
            position: absolute;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(49, 242, 194, .42), transparent);
            transform-origin: left;
        }

        .map-line.one { width: 56%; top: 38%; left: 20%; transform: rotate(24deg); }
        .map-line.two { width: 49%; top: 62%; left: 18%; transform: rotate(-18deg); }
        .map-line.three { width: 36%; top: 27%; left: 44%; transform: rotate(83deg); }

        .map-node {
            position: absolute;
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 7px 11px;
            color: #d9fff5;
            border: 1px solid rgba(49, 242, 194, .25);
            border-radius: 999px;
            background: rgba(8, 25, 36, .82);
            box-shadow: 0 10px 25px rgba(0, 0, 0, .2);
            font-size: 11px;
            font-weight: 800;
            backdrop-filter: blur(10px);
        }

        .map-node::before {
            width: 7px;
            height: 7px;
            content: "";
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 5px rgba(49, 242, 194, .12);
        }

        .map-node.n1 { top: 21%; left: 41%; }
        .map-node.n2 { top: 45%; right: 12%; }
        .map-node.n3 { bottom: 19%; left: 28%; }
        .map-node.n4 { top: 55%; left: 48%; }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 760px;
            padding: 108px 0 96px;
        }

        .region-row {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            margin-bottom: 24px;
        }

        .region-tag, .badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 11px;
            color: #c8d7e7;
            border: 1px solid var(--line);
            border-radius: 999px;
            background: rgba(12, 29, 46, .72);
            font-size: 12px;
            font-weight: 750;
        }

        .region-tag.live::before {
            width: 7px;
            height: 7px;
            content: "";
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 5px rgba(49, 242, 194, .09);
        }

        .hero h1 {
            max-width: 720px;
            margin: 0;
            color: var(--white);
            font-size: clamp(42px, 7vw, 76px);
            font-weight: 950;
            line-height: 1.08;
            letter-spacing: -.055em;
        }

        .hero h1 .highlight {
            color: var(--primary);
            text-shadow: 0 0 35px rgba(49, 242, 194, .2);
        }

        .hero-copy {
            max-width: 690px;
            margin: 26px 0 0;
            color: #aebed0;
            font-size: clamp(16px, 2vw, 18px);
            line-height: 2;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 13px;
            margin-top: 31px;
        }

        .hero-foot {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            margin-top: 36px;
            color: #8296ab;
            font-size: 13px;
        }

        .hero-foot span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-foot span::before {
            width: 5px;
            height: 5px;
            content: "";
            border-radius: 50%;
            background: var(--primary);
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 15px;
        }

        .metric-card {
            position: relative;
            min-height: 170px;
            padding: 25px;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: linear-gradient(155deg, rgba(20, 42, 66, .96), rgba(10, 25, 42, .9));
            box-shadow: var(--shadow-soft);
        }

        .metric-card::after {
            position: absolute;
            right: -30px;
            bottom: -45px;
            width: 120px;
            height: 120px;
            content: "";
            border: 1px solid rgba(49, 242, 194, .12);
            border-radius: 50%;
        }

        .metric-label {
            color: var(--muted);
            font-size: 13px;
            font-weight: 700;
        }

        .metric-value {
            margin-top: 17px;
            color: var(--white);
            font-size: 35px;
            font-weight: 900;
            line-height: 1;
        }

        .metric-value small {
            color: var(--primary);
            font-size: 14px;
        }

        .metric-note {
            margin-top: 15px;
            color: #88a0b6;
            font-size: 12px;
        }

        .catalog-layout {
            display: grid;
            grid-template-columns: .78fr 1.22fr;
            gap: 26px;
            align-items: stretch;
        }

        .catalog-tree {
            padding: 28px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: #0b1b2d;
            box-shadow: var(--shadow-soft);
        }

        .tree-title {
            margin-bottom: 19px;
            color: var(--white);
            font-size: 17px;
            font-weight: 850;
        }

        .tree-list {
            display: grid;
            gap: 9px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .tree-list li {
            position: relative;
            padding: 12px 14px 12px 38px;
            color: #b7c7d8;
            border: 1px solid transparent;
            border-radius: 11px;
            background: rgba(255, 255, 255, .025);
            font-size: 14px;
        }

        .tree-list li::before {
            position: absolute;
            top: 18px;
            left: 17px;
            width: 8px;
            height: 8px;
            content: "";
            border: 2px solid var(--primary);
            border-radius: 2px;
        }

        .tree-list li:hover {
            color: var(--white);
            border-color: var(--line);
            background: rgba(49, 242, 194, .055);
        }

        .catalog-feature {
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 430px;
            padding: 36px;
            overflow: hidden;
            border: 1px solid rgba(109, 124, 255, .27);
            border-radius: var(--radius-lg);
            background:
                linear-gradient(180deg, transparent 5%, rgba(7, 17, 31, .95) 90%),
                radial-gradient(circle at 70% 24%, rgba(109, 124, 255, .36), transparent 38%),
                #122943;
        }

        .catalog-feature::before {
            position: absolute;
            top: 44px;
            right: 46px;
            width: 210px;
            height: 210px;
            content: "";
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 38% 62% 49% 51%;
            transform: rotate(18deg);
            box-shadow: 0 0 0 28px rgba(255, 255, 255, .025), 0 0 0 58px rgba(255, 255, 255, .018);
        }

        .catalog-feature > * {
            position: relative;
            z-index: 2;
        }

        .catalog-feature h3 {
            max-width: 540px;
            margin: 14px 0 0;
            color: var(--white);
            font-size: 29px;
            font-weight: 900;
            line-height: 1.3;
        }

        .catalog-feature p {
            max-width: 590px;
            margin: 14px 0 22px;
            color: #afc0d2;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
            color: var(--primary);
            font-size: 14px;
            font-weight: 850;
        }

        .text-link:hover {
            gap: 12px;
            color: #79ffe1;
        }

        .value-layout {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 48px;
            align-items: center;
        }

        .feature-stack {
            display: grid;
            gap: 14px;
        }

        .feature-item {
            display: grid;
            grid-template-columns: 48px 1fr;
            gap: 16px;
            padding: 20px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(16, 34, 55, .72);
            transition: transform .2s ease, border-color .2s ease, background .2s ease;
        }

        .feature-item:hover {
            border-color: rgba(49, 242, 194, .31);
            background: rgba(19, 42, 66, .95);
            transform: translateX(5px);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            display: grid;
            place-items: center;
            color: var(--primary);
            border: 1px solid rgba(49, 242, 194, .2);
            border-radius: 14px;
            background: rgba(49, 242, 194, .08);
            font-size: 19px;
            font-weight: 900;
        }

        .feature-item h3 {
            margin: 0 0 5px;
            color: var(--white);
            font-size: 17px;
            font-weight: 850;
        }

        .feature-item p {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .coverage-panel {
            position: relative;
            min-height: 530px;
            padding: 32px;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: #09192a;
            box-shadow: var(--shadow);
        }

        .coverage-panel h3 {
            margin: 0;
            color: var(--white);
            font-size: 21px;
            font-weight: 900;
        }

        .coverage-panel p {
            margin: 8px 0 0;
            color: var(--muted);
            font-size: 13px;
        }

        .radar {
            position: relative;
            width: min(340px, 86%);
            aspect-ratio: 1;
            margin: 36px auto 20px;
            border: 1px solid rgba(49, 242, 194, .2);
            border-radius: 50%;
            background:
                linear-gradient(90deg, transparent 49.8%, rgba(49, 242, 194, .14) 50%, transparent 50.2%),
                linear-gradient(transparent 49.8%, rgba(49, 242, 194, .14) 50%, transparent 50.2%),
                radial-gradient(circle, rgba(49, 242, 194, .04), transparent 65%);
            box-shadow: 0 0 60px rgba(49, 242, 194, .06);
        }

        .radar::before, .radar::after {
            position: absolute;
            content: "";
            border: 1px solid rgba(49, 242, 194, .15);
            border-radius: 50%;
        }

        .radar::before { inset: 18%; }
        .radar::after { inset: 36%; }

        .radar-sweep {
            position: absolute;
            inset: 50% 50% 0 0;
            background: linear-gradient(45deg, rgba(49, 242, 194, .22), transparent 72%);
            transform-origin: right top;
            animation: sweep 7s linear infinite;
        }

        @keyframes sweep {
            to { transform: rotate(360deg); }
        }

        .radar-dot {
            position: absolute;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 7px rgba(49, 242, 194, .1), 0 0 20px var(--primary);
        }

        .radar-dot.d1 { top: 27%; left: 60%; }
        .radar-dot.d2 { top: 58%; left: 28%; }
        .radar-dot.d3 { top: 70%; right: 24%; }

        .status-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 9px;
        }

        .status-chip {
            padding: 12px;
            text-align: center;
            border: 1px solid var(--line);
            border-radius: 11px;
            background: rgba(255, 255, 255, .03);
        }

        .status-chip strong {
            display: block;
            color: var(--white);
            font-size: 13px;
        }

        .status-chip span {
            color: #7f96aa;
            font-size: 10px;
        }

        .chart-layout {
            display: grid;
            grid-template-columns: 1.3fr .7fr;
            gap: 22px;
        }

        .chart-card, .compare-card {
            padding: 30px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: var(--panel);
            box-shadow: var(--shadow-soft);
        }

        .chart-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 30px;
        }

        .chart-top h3, .compare-card h3 {
            margin: 0;
            color: var(--white);
            font-size: 19px;
            font-weight: 900;
        }

        .chart-top p {
            margin: 5px 0 0;
            color: var(--muted);
            font-size: 13px;
        }

        .chart-bars {
            height: 250px;
            display: flex;
            align-items: flex-end;
            gap: clamp(10px, 2vw, 24px);
            padding: 25px 12px 0;
            border-bottom: 1px solid var(--line);
            background: repeating-linear-gradient(to top, transparent 0, transparent 48px, rgba(255, 255, 255, .045) 49px, transparent 50px);
        }

        .bar-wrap {
            height: 100%;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            gap: 9px;
            text-align: center;
        }

        .bar {
            width: 100%;
            max-width: 55px;
            min-height: 20px;
            margin-inline: auto;
            border-radius: 10px 10px 3px 3px;
            background: linear-gradient(to top, #17b995, var(--primary));
            box-shadow: 0 0 25px rgba(49, 242, 194, .12);
            transition: filter .2s ease, transform .2s ease;
        }

        .bar:hover {
            filter: brightness(1.2);
            transform: scaleX(1.08);
        }

        .bar-label {
            color: #8ca0b4;
            font-size: 11px;
            white-space: nowrap;
        }

        .compare-list {
            display: grid;
            gap: 18px;
            margin-top: 24px;
        }

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

        .compare-item:last-child {
            padding-bottom: 0;
            border-bottom: 0;
        }

        .compare-head {
            display: flex;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 9px;
            color: #c4d3e2;
            font-size: 13px;
        }

        .compare-head strong {
            color: var(--primary);
        }

        .progress {
            height: 8px;
            overflow: hidden;
            border-radius: 99px;
            background: rgba(255, 255, 255, .065);
        }

        .progress span {
            height: 100%;
            display: block;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--secondary), var(--primary));
        }

        .timeline {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .timeline::before {
            position: absolute;
            top: 28px;
            right: 10%;
            left: 10%;
            height: 1px;
            content: "";
            background: linear-gradient(90deg, transparent, rgba(49, 242, 194, .45), transparent);
        }

        .timeline-item {
            position: relative;
            z-index: 2;
            padding: 0 14px;
            text-align: center;
        }

        .timeline-dot {
            width: 56px;
            height: 56px;
            display: grid;
            place-items: center;
            margin: 0 auto 19px;
            color: var(--primary);
            border: 1px solid rgba(49, 242, 194, .34);
            border-radius: 50%;
            background: var(--deep-soft);
            box-shadow: 0 0 0 8px rgba(49, 242, 194, .045);
            font-weight: 900;
        }

        .timeline-item h3 {
            margin: 0 0 7px;
            color: var(--white);
            font-size: 16px;
            font-weight: 850;
        }

        .timeline-item p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.75;
        }

        .resource-grid {
            display: grid;
            grid-template-columns: repeat(12, minmax(0, 1fr));
            gap: 18px;
        }

        .resource-card {
            position: relative;
            min-height: 245px;
            padding: 26px;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: var(--panel);
            transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
        }

        .resource-card:hover {
            border-color: rgba(49, 242, 194, .28);
            box-shadow: var(--shadow-soft);
            transform: translateY(-5px);
        }

        .resource-card.wide { grid-column: span 6; }
        .resource-card.narrow { grid-column: span 3; }

        .resource-number {
            position: absolute;
            right: 19px;
            top: 13px;
            color: rgba(255, 255, 255, .055);
            font-size: 58px;
            font-weight: 950;
            line-height: 1;
        }

        .resource-card h3 {
            position: relative;
            margin: 55px 0 10px;
            color: var(--white);
            font-size: 20px;
            font-weight: 900;
        }

        .resource-card p {
            position: relative;
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .resource-meta {
            position: absolute;
            right: 26px;
            bottom: 23px;
            left: 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: #7690a6;
            font-size: 11px;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 30px;
        }

        .news-lead {
            min-height: 450px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 34px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background:
                linear-gradient(to top, rgba(7, 17, 31, .98), rgba(7, 17, 31, .12)),
                radial-gradient(circle at 64% 30%, rgba(49, 242, 194, .27), transparent 28%),
                linear-gradient(140deg, #193a54, #0b192c);
            box-shadow: var(--shadow-soft);
        }

        .news-lead h3 {
            max-width: 590px;
            margin: 15px 0 11px;
            color: var(--white);
            font-size: 28px;
            font-weight: 900;
            line-height: 1.35;
        }

        .news-lead p {
            margin: 0;
            color: #aabdd0;
            font-size: 14px;
        }

        .news-list {
            display: grid;
            gap: 12px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 82px 1fr;
            gap: 18px;
            padding: 21px;
            border: 1px solid var(--line);
            border-radius: 15px;
            background: rgba(16, 34, 55, .72);
            transition: background .2s ease, border-color .2s ease, transform .2s ease;
        }

        .news-item:hover {
            border-color: rgba(109, 124, 255, .34);
            background: var(--panel-light);
            transform: translateX(4px);
        }

        .news-date {
            color: var(--primary);
            font-size: 12px;
            font-weight: 850;
        }

        .news-item h3 {
            margin: 0 0 6px;
            color: var(--white);
            font-size: 16px;
            font-weight: 850;
        }

        .news-item p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.7;
        }

        .guarantee-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: #0d2034;
            box-shadow: var(--shadow-soft);
        }

        .guarantee-item {
            padding: 28px;
            border-right: 1px solid var(--line);
        }

        .guarantee-item:last-child {
            border-right: 0;
        }

        .guarantee-icon {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            margin-bottom: 17px;
            color: #071b15;
            border-radius: 13px;
            background: var(--primary);
            font-weight: 950;
        }

        .guarantee-item h3 {
            margin: 0 0 7px;
            color: var(--white);
            font-size: 16px;
            font-weight: 850;
        }

        .guarantee-item p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.75;
        }

        .answer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .answer-card {
            display: grid;
            grid-template-columns: 46px 1fr;
            gap: 16px;
            padding: 24px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(16, 34, 55, .74);
        }

        .answer-code {
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            color: var(--secondary);
            border: 1px solid rgba(109, 124, 255, .3);
            border-radius: 13px;
            background: rgba(109, 124, 255, .09);
            font-weight: 950;
        }

        .answer-card h3 {
            margin: 0 0 7px;
            color: var(--white);
            font-size: 16px;
            font-weight: 850;
        }

        .answer-card p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.8;
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            display: grid;
            gap: 12px;
        }

        .faq-item {
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: 15px;
            background: rgba(16, 34, 55, .73);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 21px 23px;
            color: var(--white);
            text-align: left;
            background: transparent;
            font-weight: 850;
        }

        .faq-question:hover {
            color: var(--primary);
            background: rgba(255, 255, 255, .025);
        }

        .faq-plus {
            width: 26px;
            height: 26px;
            display: grid;
            place-items: center;
            flex: 0 0 auto;
            color: var(--primary);
            border: 1px solid rgba(49, 242, 194, .24);
            border-radius: 8px;
            transition: transform .2s ease;
        }

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

        .faq-answer {
            display: none;
            padding: 0 23px 22px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.9;
        }

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

        .form-shell {
            position: relative;
            display: grid;
            grid-template-columns: .82fr 1.18fr;
            gap: 42px;
            padding: 48px;
            overflow: hidden;
            border: 1px solid rgba(49, 242, 194, .22);
            border-radius: 32px;
            background:
                radial-gradient(circle at 0 100%, rgba(49, 242, 194, .12), transparent 40%),
                linear-gradient(145deg, #10283d, #0a192a);
            box-shadow: var(--shadow);
        }

        .form-shell::after {
            position: absolute;
            top: -120px;
            right: -100px;
            width: 320px;
            height: 320px;
            content: "";
            border: 1px solid rgba(109, 124, 255, .18);
            border-radius: 50%;
            box-shadow: 0 0 0 50px rgba(109, 124, 255, .025), 0 0 0 100px rgba(109, 124, 255, .018);
        }

        .form-intro, .request-form {
            position: relative;
            z-index: 2;
        }

        .form-intro h2 {
            margin: 0;
            color: var(--white);
            font-size: clamp(30px, 4vw, 45px);
            font-weight: 950;
            line-height: 1.2;
            letter-spacing: -.035em;
        }

        .form-intro p {
            margin: 18px 0 0;
            color: #a9bdcf;
            line-height: 1.9;
        }

        .form-points {
            display: grid;
            gap: 11px;
            margin-top: 26px;
        }

        .form-points span {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #c2d1df;
            font-size: 13px;
        }

        .form-points span::before {
            width: 18px;
            height: 18px;
            display: grid;
            place-items: center;
            content: "✓";
            color: #061812;
            border-radius: 50%;
            background: var(--primary);
            font-size: 10px;
            font-weight: 950;
        }

        .request-form {
            padding: 28px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(7, 17, 31, .7);
            backdrop-filter: blur(10px);
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .field {
            display: grid;
            gap: 7px;
        }

        .field.full {
            grid-column: 1 / -1;
        }

        .field label {
            color: #bfd0df;
            font-size: 13px;
            font-weight: 750;
        }

        .field input, .field select {
            width: 100%;
            height: 50px;
            padding: 0 15px;
            color: var(--ink);
            border: 1px solid rgba(181, 208, 230, .18);
            border-radius: 11px;
            outline: none;
            background: #0a1b2c;
            transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
        }

        .field input::placeholder {
            color: #60768b;
        }

        .field input:hover, .field select:hover {
            border-color: rgba(49, 242, 194, .3);
        }

        .field input:focus, .field select:focus {
            border-color: var(--primary);
            background: #0c2032;
            box-shadow: 0 0 0 4px rgba(49, 242, 194, .08);
        }

        .form-submit {
            width: 100%;
            min-height: 52px;
            margin-top: 18px;
        }

        .form-note {
            margin: 12px 0 0;
            color: #71879c;
            font-size: 11px;
            text-align: center;
        }

        .form-message {
            display: none;
            margin-top: 14px;
            padding: 11px 13px;
            color: #bfffee;
            border: 1px solid rgba(49, 242, 194, .25);
            border-radius: 10px;
            background: rgba(49, 242, 194, .08);
            font-size: 13px;
            text-align: center;
        }

        .site-footer {
            padding: 58px 0 26px;
            border-top: 1px solid var(--line);
            background: #050d17;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr;
            gap: 50px;
            padding-bottom: 38px;
        }

        .footer-brand p {
            max-width: 520px;
            margin: 18px 0 0;
            color: #8094a8;
            font-size: 13px;
            line-height: 1.85;
        }

        .footer-title {
            margin: 0 0 15px;
            color: var(--white);
            font-size: 14px;
            font-weight: 850;
        }

        .footer-list {
            display: grid;
            gap: 9px;
            margin: 0;
            padding: 0;
            list-style: none;
            color: #8094a8;
            font-size: 13px;
        }

        .footer-list a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 24px;
            color: #64798d;
            border-top: 1px solid var(--line);
            font-size: 12px;
        }

        .footer-bottom strong {
            color: #879aad;
            font-weight: 650;
        }

        @media (max-width: 1024px) {
            .desktop-nav, .nav-cta {
                display: none;
            }

            .menu-button {
                display: grid;
            }

            .mobile-menu.open {
                display: block;
            }

            .hero-map {
                right: -30%;
                width: 90vw;
                opacity: .46;
            }

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

            .catalog-layout, .value-layout, .news-layout, .form-shell {
                grid-template-columns: 1fr;
            }

            .catalog-feature {
                min-height: 390px;
            }

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

            .timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 34px 18px;
            }

            .timeline::before {
                display: none;
            }

            .resource-card.wide {
                grid-column: span 8;
            }

            .resource-card.narrow {
                grid-column: span 4;
            }

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

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

            .guarantee-item:nth-child(-n+2) {
                border-bottom: 1px solid var(--line);
            }
        }

        @media (max-width: 768px) {
            .site-container {
                width: min(calc(100% - 28px), var(--container));
            }

            .nav-wrap {
                min-height: 68px;
            }

            .section {
                padding: 70px 0;
            }

            .section-compact {
                padding: 54px 0;
            }

            .hero {
                min-height: auto;
            }

            .hero-content {
                padding: 82px 0 72px;
            }

            .hero h1 {
                font-size: clamp(39px, 12vw, 58px);
            }

            .hero-copy {
                font-size: 16px;
                line-height: 1.9;
            }

            .hero-map {
                top: 21%;
                right: -65%;
                width: 140vw;
            }

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

            .catalog-feature {
                min-height: 360px;
                padding: 27px;
            }

            .catalog-feature::before {
                right: -20px;
                width: 170px;
                height: 170px;
            }

            .coverage-panel {
                min-height: auto;
            }

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

            .timeline-item {
                display: grid;
                grid-template-columns: 56px 1fr;
                gap: 17px;
                padding: 0;
                text-align: left;
            }

            .timeline-dot {
                margin: 0;
                grid-row: span 2;
            }

            .resource-card.wide, .resource-card.narrow {
                grid-column: span 6;
            }

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

            .guarantee-item, .guarantee-item:nth-child(2) {
                border-right: 0;
                border-bottom: 1px solid var(--line);
            }

            .guarantee-item:last-child {
                border-bottom: 0;
            }

            .news-lead {
                min-height: 380px;
                padding: 27px;
            }

            .form-shell {
                padding: 31px 24px;
            }

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

            .field.full {
                grid-column: auto;
            }

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

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

        @media (max-width: 520px) {
            .brand-text {
                font-size: 15px;
            }

            .brand-text small {
                display: none;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 11px;
            }

            .hero-actions {
                display: grid;
            }

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

            .hero-foot {
                display: grid;
                gap: 9px;
            }

            .section-title {
                font-size: 30px;
            }

            .metric-grid {
                gap: 11px;
            }

            .metric-card {
                min-height: 145px;
                padding: 21px;
            }

            .catalog-tree, .chart-card, .compare-card {
                padding: 22px;
            }

            .catalog-feature {
                min-height: 410px;
            }

            .status-row {
                grid-template-columns: 1fr;
            }

            .chart-bars {
                gap: 7px;
                padding-inline: 0;
            }

            .bar-label {
                font-size: 9px;
            }

            .resource-card.wide, .resource-card.narrow {
                grid-column: 1 / -1;
            }

            .resource-card {
                min-height: 225px;
            }

            .news-item {
                grid-template-columns: 1fr;
                gap: 7px;
            }

            .answer-card {
                grid-template-columns: 1fr;
            }

            .faq-question {
                padding: 18px;
            }

            .faq-answer {
                padding: 0 18px 19px;
            }

            .request-form {
                padding: 20px;
            }

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

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

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

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *, *::before, *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #31f2c2;
            --primary-dark: #17c9a1;
            --secondary: #6d7cff;
            --accent: #ffce55;
            --danger: #ff6d79;
            --ink: #eaf3ff;
            --muted: #94a6bd;
            --deep: #07111f;
            --deep-soft: #0b192a;
            --panel: #102237;
            --panel-light: #142a42;
            --line: rgba(166, 197, 226, .16);
            --white: #ffffff;
            --radius-sm: 10px;
            --radius: 18px;
            --radius-lg: 28px;
            --shadow: 0 24px 65px rgba(0, 0, 0, .28);
            --shadow-soft: 0 14px 35px rgba(0, 0, 0, .18);
            --container: 1180px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

        body {
            margin: 0;
            color: var(--ink);
            background:
                radial-gradient(circle at 10% 4%, rgba(49, 242, 194, .08), transparent 25rem),
                radial-gradient(circle at 94% 16%, rgba(109, 124, 255, .09), transparent 30rem),
                var(--deep);
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body.menu-open {
            overflow: hidden;
        }

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

        h1,
        h2,
        h3 {
            line-height: 1.25;
            letter-spacing: -.025em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
        }

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

        :focus-visible {
            outline: 3px solid rgba(49, 242, 194, .52);
            outline-offset: 3px;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            border-bottom: 1px solid var(--line);
            background: rgba(7, 17, 31, .88);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .14);
            backdrop-filter: blur(18px);
        }

        .nav-wrap {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: max-content;
            font-weight: 900;
            letter-spacing: -.02em;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            color: #051510;
            border-radius: 13px;
            background: linear-gradient(145deg, #78ffe0, var(--primary));
            box-shadow: 0 0 0 5px rgba(49, 242, 194, .08), 0 12px 25px rgba(49, 242, 194, .16);
            font-size: 17px;
            font-weight: 950;
        }

        .brand-text {
            color: var(--white);
            font-size: 18px;
        }

        .brand-text small {
            display: block;
            color: var(--muted);
            font-size: 10px;
            font-weight: 600;
            line-height: 1.1;
            letter-spacing: .16em;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }

        .nav-link {
            position: relative;
            padding: 10px 16px;
            color: #b8c7d8;
            border-radius: 11px;
            font-size: 14px;
            font-weight: 700;
        }

        .nav-link:hover {
            color: var(--white);
            background: rgba(255, 255, 255, .055);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(49, 242, 194, .09);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            right: 17px;
            bottom: 4px;
            left: 17px;
            height: 2px;
            border-radius: 10px;
            background: var(--primary);
        }

        .nav-cta,
        .button-primary,
        .button-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 0 20px;
            border-radius: 13px;
            font-size: 14px;
            font-weight: 850;
            line-height: 1;
        }

        .nav-cta,
        .button-primary {
            color: #041712;
            background: var(--primary);
            box-shadow: 0 12px 26px rgba(49, 242, 194, .17);
        }

        .nav-cta:hover,
        .button-primary:hover {
            background: #6dffdc;
            box-shadow: 0 16px 32px rgba(49, 242, 194, .24);
            transform: translateY(-2px);
        }

        .button-secondary {
            color: var(--ink);
            border: 1px solid rgba(182, 210, 235, .2);
            background: rgba(255, 255, 255, .055);
        }

        .button-secondary:hover {
            color: var(--white);
            border-color: rgba(49, 242, 194, .45);
            background: rgba(49, 242, 194, .08);
            transform: translateY(-2px);
        }

        .menu-button {
            width: 44px;
            height: 44px;
            display: none;
            place-items: center;
            color: var(--ink);
            border: 1px solid var(--line);
            border-radius: 12px;
            background: var(--panel);
        }

        .menu-button span,
        .menu-button span::before,
        .menu-button span::after {
            width: 20px;
            height: 2px;
            display: block;
            border-radius: 10px;
            background: currentColor;
            transition: .2s ease;
        }

        .menu-button span {
            position: relative;
        }

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

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

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

        .menu-button[aria-expanded="true"] span {
            background: transparent;
        }

        .menu-button[aria-expanded="true"] span::before {
            top: 0;
            transform: rotate(45deg);
        }

        .menu-button[aria-expanded="true"] span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            padding: 0 20px 20px;
            border-top: 1px solid var(--line);
            background: var(--deep);
        }

        .mobile-menu.open {
            display: grid;
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 3px;
            color: #b8c7d8;
            border-bottom: 1px solid var(--line);
            font-weight: 750;
        }

        .mobile-menu a.active,
        .mobile-menu a:hover {
            color: var(--primary);
        }

        main {
            display: block;
        }

        .page-hero {
            position: relative;
            isolation: isolate;
            padding: 86px 0 74px;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            z-index: -1;
            top: 8%;
            right: -10%;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(109, 124, 255, .17), transparent 67%);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.04fr) minmax(400px, .96fr);
            gap: 60px;
            align-items: center;
        }

        .eyebrow,
        .section-kicker,
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 12px;
            font-weight: 850;
            letter-spacing: .12em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .section-kicker::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: currentColor;
            box-shadow: 0 0 0 5px rgba(49, 242, 194, .1);
        }

        .page-hero h1 {
            max-width: 760px;
            margin: 20px 0 22px;
            color: var(--white);
            font-size: clamp(40px, 6vw, 70px);
            font-weight: 950;
        }

        .hero-lead {
            max-width: 690px;
            margin-bottom: 29px;
            color: #b5c5d8;
            font-size: 18px;
            line-height: 1.9;
        }

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

        .hero-note {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 28px;
            color: var(--muted);
            font-size: 13px;
        }

        .hero-note span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-note span::before {
            content: "✓";
            color: var(--primary);
            font-weight: 900;
        }

        .roadmap-console {
            position: relative;
            padding: 25px;
            border: 1px solid rgba(166, 197, 226, .19);
            border-radius: var(--radius-lg);
            background:
                linear-gradient(145deg, rgba(20, 42, 66, .95), rgba(11, 25, 42, .92));
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .roadmap-console::after {
            content: "";
            position: absolute;
            right: -70px;
            bottom: -100px;
            width: 230px;
            height: 230px;
            border: 1px solid rgba(49, 242, 194, .16);
            border-radius: 50%;
            box-shadow: 0 0 0 35px rgba(49, 242, 194, .025), 0 0 0 70px rgba(49, 242, 194, .02);
        }

        .console-head {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 24px;
        }

        .console-head strong {
            font-size: 17px;
        }

        .live-status {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 10px;
            color: var(--primary);
            border: 1px solid rgba(49, 242, 194, .24);
            border-radius: 999px;
            background: rgba(49, 242, 194, .08);
            font-size: 11px;
            font-weight: 800;
        }

        .live-status::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 12px var(--primary);
        }

        .route-list {
            position: relative;
            z-index: 1;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .route-item {
            position: relative;
            display: grid;
            grid-template-columns: 34px 1fr auto;
            gap: 13px;
            align-items: start;
            padding-bottom: 25px;
        }

        .route-item:not(:last-child)::before {
            content: "";
            position: absolute;
            top: 28px;
            bottom: 0;
            left: 16px;
            width: 1px;
            background: linear-gradient(var(--primary), rgba(166, 197, 226, .14));
        }

        .route-node {
            position: relative;
            z-index: 1;
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            color: var(--deep);
            border-radius: 11px;
            background: var(--primary);
            font-size: 12px;
            font-weight: 950;
        }

        .route-item.pending .route-node {
            color: #b9c7d8;
            border: 1px solid var(--line);
            background: var(--panel);
        }

        .route-copy strong {
            display: block;
            margin-bottom: 3px;
            color: var(--white);
            font-size: 14px;
        }

        .route-copy span,
        .route-time {
            color: var(--muted);
            font-size: 12px;
        }

        .subscribe-box {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 9px;
            margin-top: 5px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
        }

        .subscribe-box input {
            min-width: 0;
            flex: 1;
            height: 46px;
            padding: 0 14px;
            color: var(--ink);
            border: 1px solid var(--line);
            border-radius: 12px;
            outline: none;
            background: rgba(7, 17, 31, .55);
        }

        .subscribe-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(49, 242, 194, .08);
        }

        .subscribe-box button {
            padding: 0 17px;
            color: #041712;
            border-radius: 12px;
            background: var(--primary);
            font-weight: 850;
        }

        .subscribe-message {
            position: relative;
            z-index: 1;
            min-height: 23px;
            margin: 10px 0 0;
            color: var(--muted);
            font-size: 12px;
        }

        .content-section {
            padding: 86px 0;
            border-bottom: 1px solid rgba(166, 197, 226, .11);
        }

        .content-section.alt {
            background: rgba(11, 25, 42, .64);
        }

        .section-heading {
            max-width: 780px;
            margin-bottom: 38px;
        }

        .section-heading.split {
            max-width: none;
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 40px;
        }

        .section-heading h2 {
            margin: 13px 0 13px;
            color: var(--white);
            font-size: clamp(29px, 4vw, 43px);
            font-weight: 920;
        }

        .section-heading p {
            max-width: 720px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 16px;
        }

        .small-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            white-space: nowrap;
        }

        .small-link:hover {
            color: #7affe0;
            transform: translateX(3px);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: 1.25fr repeat(3, 1fr);
            gap: 16px;
        }

        .metric-card {
            min-height: 178px;
            padding: 23px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(16, 34, 55, .76);
            box-shadow: var(--shadow-soft);
            transition: .25s ease;
        }

        .metric-card:hover {
            border-color: rgba(49, 242, 194, .3);
            transform: translateY(-4px);
        }

        .metric-card.featured {
            background:
                linear-gradient(135deg, rgba(49, 242, 194, .12), rgba(109, 124, 255, .08)),
                var(--panel);
        }

        .metric-label {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: var(--muted);
            font-size: 13px;
            font-weight: 750;
        }

        .metric-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 13px rgba(49, 242, 194, .8);
        }

        .metric-value {
            display: block;
            margin: 21px 0 10px;
            color: var(--white);
            font-size: 31px;
            font-weight: 950;
        }

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

        .service-layout {
            display: grid;
            grid-template-columns: .78fr 1.22fr;
            gap: 22px;
        }

        .service-index {
            padding: 28px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: var(--panel);
        }

        .service-index h3 {
            margin-bottom: 18px;
            font-size: 21px;
        }

        .service-index ul {
            display: grid;
            gap: 10px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .service-index li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            padding: 13px 15px;
            color: #c7d4e3;
            border: 1px solid transparent;
            border-radius: 12px;
            background: rgba(255, 255, 255, .035);
        }

        .service-index li:hover {
            color: var(--white);
            border-color: rgba(49, 242, 194, .2);
            background: rgba(49, 242, 194, .06);
        }

        .service-index b {
            color: var(--primary);
            font-size: 12px;
        }

        .service-cards {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }

        .service-card {
            position: relative;
            min-height: 205px;
            padding: 24px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(16, 34, 55, .68);
            overflow: hidden;
            transition: .25s ease;
        }

        .service-card:hover {
            border-color: rgba(109, 124, 255, .42);
            background: var(--panel-light);
            box-shadow: var(--shadow-soft);
            transform: translateY(-4px);
        }

        .service-card::after {
            content: attr(data-number);
            position: absolute;
            right: 17px;
            bottom: -12px;
            color: rgba(234, 243, 255, .035);
            font-size: 76px;
            font-weight: 950;
        }

        .service-icon {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            margin-bottom: 19px;
            color: var(--primary);
            border: 1px solid rgba(49, 242, 194, .23);
            border-radius: 13px;
            background: rgba(49, 242, 194, .075);
            font-weight: 950;
        }

        .service-card h3 {
            margin-bottom: 9px;
            color: var(--white);
            font-size: 18px;
        }

        .service-card p {
            position: relative;
            z-index: 1;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
        }

        .compare-panel {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .compare-column {
            padding: 30px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: var(--panel);
        }

        .compare-column.highlight {
            border-color: rgba(49, 242, 194, .28);
            background:
                linear-gradient(145deg, rgba(49, 242, 194, .095), transparent 52%),
                var(--panel);
        }

        .compare-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 23px;
        }

        .compare-top h3 {
            margin: 0;
            font-size: 23px;
        }

        .badge {
            padding: 6px 10px;
            border: 1px solid rgba(49, 242, 194, .22);
            border-radius: 999px;
            background: rgba(49, 242, 194, .07);
            letter-spacing: .03em;
        }

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

        .check-list li {
            position: relative;
            padding: 13px 15px 13px 43px;
            color: #c5d2e1;
            border-radius: 12px;
            background: rgba(255, 255, 255, .035);
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            top: 13px;
            left: 15px;
            color: var(--primary);
            font-weight: 950;
        }

        .timeline {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            top: 25px;
            right: 9%;
            left: 9%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), rgba(109, 124, 255, .16));
        }

        .timeline-item {
            position: relative;
            padding-top: 57px;
        }

        .timeline-node {
            position: absolute;
            z-index: 1;
            top: 10px;
            left: 21px;
            width: 31px;
            height: 31px;
            display: grid;
            place-items: center;
            color: var(--deep);
            border: 5px solid var(--deep-soft);
            border-radius: 50%;
            background: var(--primary);
            font-size: 10px;
            font-weight: 950;
            box-shadow: 0 0 0 1px rgba(49, 242, 194, .3);
        }

        .timeline-item.future .timeline-node {
            color: var(--muted);
            background: var(--panel-light);
        }

        .timeline-card {
            min-height: 202px;
            padding: 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(16, 34, 55, .73);
        }

        .timeline-card time {
            color: var(--primary);
            font-size: 12px;
            font-weight: 800;
        }

        .timeline-card h3 {
            margin: 9px 0;
            font-size: 17px;
        }

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

        .updates-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr);
            gap: 24px;
        }

        .updates-list {
            display: grid;
            gap: 12px;
        }

        .update-item {
            display: grid;
            grid-template-columns: 92px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 20px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(16, 34, 55, .65);
            transition: .22s ease;
        }

        .update-item:hover {
            border-color: rgba(49, 242, 194, .26);
            background: var(--panel);
            transform: translateX(4px);
        }

        .update-type {
            display: inline-flex;
            justify-content: center;
            padding: 6px 9px;
            color: var(--primary);
            border-radius: 8px;
            background: rgba(49, 242, 194, .08);
            font-size: 12px;
            font-weight: 850;
        }

        .update-copy h3 {
            margin: 0 0 5px;
            font-size: 16px;
        }

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

        .update-arrow {
            color: var(--primary);
            font-size: 20px;
        }

        .release-panel {
            padding: 27px;
            border: 1px solid rgba(109, 124, 255, .26);
            border-radius: var(--radius-lg);
            background:
                radial-gradient(circle at 100% 0, rgba(109, 124, 255, .19), transparent 50%),
                var(--panel);
        }

        .release-panel h3 {
            margin: 14px 0 9px;
            font-size: 24px;
        }

        .release-panel > p {
            color: var(--muted);
            font-size: 14px;
        }

        .release-bars {
            display: grid;
            gap: 15px;
            margin-top: 25px;
        }

        .release-bar label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 7px;
            color: #c9d6e4;
            font-size: 12px;
        }

        .bar-track {
            height: 7px;
            border-radius: 99px;
            background: rgba(255, 255, 255, .07);
            overflow: hidden;
        }

        .bar-track span {
            display: block;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .security-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 25px;
            align-items: stretch;
        }

        .security-visual {
            position: relative;
            min-height: 390px;
            padding: 35px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background:
                linear-gradient(rgba(49, 242, 194, .035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(49, 242, 194, .035) 1px, transparent 1px),
                var(--panel);
            background-size: 28px 28px;
            overflow: hidden;
        }

        .shield {
            width: 145px;
            height: 165px;
            display: grid;
            place-items: center;
            margin: 40px auto 32px;
            color: var(--primary);
            border: 2px solid rgba(49, 242, 194, .55);
            border-radius: 48% 48% 56% 56% / 30% 30% 70% 70%;
            background: rgba(49, 242, 194, .07);
            box-shadow: 0 0 0 18px rgba(49, 242, 194, .025), 0 0 60px rgba(49, 242, 194, .12);
            font-size: 44px;
            font-weight: 950;
        }

        .security-caption {
            max-width: 460px;
            margin: auto;
            text-align: center;
        }

        .security-caption strong {
            display: block;
            margin-bottom: 6px;
            font-size: 22px;
        }

        .security-caption span {
            color: var(--muted);
            font-size: 14px;
        }

        .security-list {
            display: grid;
            gap: 14px;
        }

        .security-item {
            display: grid;
            grid-template-columns: 45px 1fr;
            gap: 15px;
            padding: 21px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(16, 34, 55, .68);
        }

        .security-item i {
            width: 45px;
            height: 45px;
            display: grid;
            place-items: center;
            color: var(--accent);
            border-radius: 13px;
            background: rgba(255, 206, 85, .09);
            font-style: normal;
            font-weight: 900;
        }

        .security-item h3 {
            margin: 0 0 5px;
            font-size: 16px;
        }

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

        .answer-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .answer-card {
            padding: 23px;
            border-top: 3px solid var(--secondary);
            border-radius: 5px 5px var(--radius) var(--radius);
            background: var(--panel);
            box-shadow: var(--shadow-soft);
        }

        .answer-card:nth-child(2) {
            border-color: var(--primary);
        }

        .answer-card:nth-child(3) {
            border-color: var(--accent);
        }

        .answer-card:nth-child(4) {
            border-color: var(--danger);
        }

        .answer-card b {
            display: block;
            margin-bottom: 9px;
            color: var(--white);
            font-size: 16px;
        }

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

        .faq-layout {
            display: grid;
            grid-template-columns: .65fr 1.35fr;
            gap: 46px;
            align-items: start;
        }

        .faq-intro {
            position: sticky;
            top: 112px;
        }

        .faq-intro h2 {
            margin: 13px 0;
            font-size: clamp(30px, 4vw, 42px);
        }

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

        .faq-list {
            display: grid;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: rgba(16, 34, 55, .7);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 22px;
            color: var(--ink);
            text-align: left;
            background: transparent;
            font-weight: 800;
        }

        .faq-question:hover {
            color: var(--primary);
            background: rgba(49, 242, 194, .035);
        }

        .faq-question span:last-child {
            width: 26px;
            height: 26px;
            display: grid;
            flex: 0 0 auto;
            place-items: center;
            color: var(--primary);
            border-radius: 8px;
            background: rgba(49, 242, 194, .08);
            transition: transform .2s ease;
        }

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

        .faq-answer {
            display: none;
            padding: 0 22px 21px;
            color: var(--muted);
            font-size: 14px;
        }

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

        .faq-answer p {
            margin: 0;
        }

        .download-section {
            padding: 90px 0;
        }

        .download-panel {
            position: relative;
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 46px;
            padding: 48px;
            border: 1px solid rgba(49, 242, 194, .26);
            border-radius: 32px;
            background:
                radial-gradient(circle at 0 100%, rgba(49, 242, 194, .12), transparent 38%),
                radial-gradient(circle at 100% 0, rgba(109, 124, 255, .16), transparent 42%),
                var(--panel);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

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

        .download-copy p {
            color: #aebfd1;
        }

        .download-points {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            margin-top: 24px;
        }

        .download-points span {
            padding: 7px 11px;
            color: #c8d5e3;
            border: 1px solid var(--line);
            border-radius: 999px;
            background: rgba(255, 255, 255, .04);
            font-size: 12px;
        }

        .device-form {
            display: grid;
            gap: 15px;
            padding: 27px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: rgba(7, 17, 31, .62);
        }

        .form-row {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 13px;
        }

        .form-field {
            display: grid;
            gap: 7px;
        }

        .form-field label {
            color: #cbd7e4;
            font-size: 13px;
            font-weight: 750;
        }

        .form-field select,
        .form-field input {
            width: 100%;
            height: 48px;
            padding: 0 14px;
            color: var(--ink);
            border: 1px solid var(--line);
            border-radius: 12px;
            outline: none;
            background: #0b192a;
        }

        .form-field select:focus,
        .form-field input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(49, 242, 194, .08);
        }

        .form-field option {
            color: var(--ink);
            background: var(--deep-soft);
        }

        .device-form .button-primary {
            width: 100%;
            margin-top: 3px;
        }

        .result-box {
            display: none;
            padding: 15px;
            color: #c7d7e6;
            border: 1px solid rgba(49, 242, 194, .23);
            border-radius: 12px;
            background: rgba(49, 242, 194, .065);
            font-size: 13px;
        }

        .result-box.show {
            display: block;
        }

        .site-footer {
            padding: 66px 0 25px;
            border-top: 1px solid var(--line);
            background: #050d17;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.45fr .7fr .85fr;
            gap: 65px;
            padding-bottom: 45px;
        }

        .footer-brand p {
            max-width: 520px;
            margin: 22px 0 0;
            color: var(--muted);
            font-size: 13px;
        }

        .footer-title {
            margin: 4px 0 18px;
            color: var(--white);
            font-size: 15px;
            font-weight: 850;
        }

        .footer-list {
            display: grid;
            gap: 9px;
            margin: 0;
            padding: 0;
            color: var(--muted);
            list-style: none;
            font-size: 13px;
        }

        .footer-list a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 23px;
            color: #74879e;
            border-top: 1px solid var(--line);
            font-size: 12px;
        }

        .footer-bottom strong {
            color: #9aacc1;
            font-weight: 700;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 42px;
            }

            .roadmap-console {
                max-width: 760px;
            }

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

            .service-layout,
            .security-grid,
            .download-panel {
                grid-template-columns: 1fr;
            }

            .service-index ul {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

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

            .timeline::before {
                display: none;
            }

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

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

            .footer-main {
                grid-template-columns: 1.2fr .8fr .8fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .site-container {
                width: min(calc(100% - 30px), var(--container));
            }

            .desktop-nav,
            .nav-cta {
                display: none;
            }

            .menu-button {
                display: grid;
                margin-left: auto;
            }

            .page-hero {
                padding: 62px 0 57px;
            }

            .page-hero h1 {
                font-size: clamp(36px, 11vw, 52px);
            }

            .hero-lead {
                font-size: 16px;
            }

            .content-section {
                padding: 65px 0;
            }

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

            .section-heading.split .small-link {
                margin-top: 16px;
            }

            .compare-panel,
            .faq-layout {
                grid-template-columns: 1fr;
            }

            .faq-intro {
                position: static;
            }

            .timeline-card {
                min-height: auto;
            }

            .update-item {
                grid-template-columns: 80px 1fr;
            }

            .update-arrow {
                display: none;
            }

            .download-panel {
                padding: 32px;
            }

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

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

        @media (max-width: 520px) {
            .site-container {
                width: min(calc(100% - 24px), var(--container));
            }

            .nav-wrap {
                min-height: 68px;
                gap: 12px;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 11px;
            }

            .brand-text {
                font-size: 15px;
            }

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

            .page-hero {
                padding-top: 48px;
            }

            .page-hero h1 {
                margin-top: 16px;
                font-size: 36px;
            }

            .hero-actions {
                display: grid;
            }

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

            .roadmap-console {
                padding: 19px;
                border-radius: 21px;
            }

            .route-item {
                grid-template-columns: 31px 1fr;
            }

            .route-time {
                grid-column: 2;
            }

            .subscribe-box {
                display: grid;
            }

            .subscribe-box button {
                min-height: 44px;
            }

            .metrics-grid,
            .service-cards,
            .service-index ul,
            .timeline,
            .answer-strip,
            .form-row {
                grid-template-columns: 1fr;
            }

            .metric-card {
                min-height: auto;
            }

            .compare-column,
            .security-visual,
            .download-panel {
                padding: 24px;
            }

            .security-visual {
                min-height: 340px;
            }

            .update-item {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .update-type {
                width: max-content;
            }

            .download-panel {
                border-radius: 24px;
            }

            .device-form {
                padding: 20px;
            }

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

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

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

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
            }
        }