/* roulang page: index */
:root {
            --primary: #0F4C51;
            --primary-dark: #0B383C;
            --primary-soft: #E3EDEA;
            --accent: #B1873B;
            --accent-soft: #F0E7D9;
            --bg: #F7F3EE;
            --bg-white: #FFFFFF;
            --bg-deep: #113B3D;
            --text: #243332;
            --muted: #5E716F;
            --border: #DDE5E2;
            --success: #3F7D63;
            --danger: #B35A4B;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow: 0 8px 30px rgba(15, 35, 35, 0.06);
            --shadow-hover: 0 18px 40px rgba(15, 35, 35, 0.12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(177, 135, 59, 0.55);
            outline-offset: 3px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        section {
            padding: 96px 0;
            position: relative;
        }

        .slim-section {
            padding: 64px 0;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .04em;
            color: var(--accent);
            text-transform: none;
            background: rgba(177, 135, 59, .12);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--primary-dark);
            margin-top: 0;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border-radius: var(--radius-sm);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 700;
            transition: all .18s ease;
            cursor: pointer;
            border: 1px solid transparent;
            line-height: 1.4;
        }

        .btn i {
            font-size: 13px;
            opacity: .9;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(11, 56, 60, .16);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(11, 56, 60, .22);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-outline {
            background: #fff;
            border-color: #AFC6C2;
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(15, 76, 81, .07);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #9A7530;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: 16px;
        }

        /* Floating dock header */
        .header-dock {
            position: fixed;
            top: 14px;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 1200px;
            z-index: 999;
            padding: 0 28px;
            pointer-events: none;
        }

        .dock {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, .82);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 999px;
            border: 1px solid rgba(221, 229, 226, .95);
            box-shadow: 0 8px 30px rgba(15, 35, 35, .08);
            padding: 8px 8px 8px 18px;
            transition: border-color .22s, box-shadow .22s, background .22s;
            pointer-events: auto;
        }

        .dock.is-scrolled {
            background: rgba(255, 255, 255, .96);
            box-shadow: 0 14px 40px rgba(15, 40, 40, .12);
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 18px;
            color: var(--primary-dark);
            white-space: nowrap;
        }

        .brand-logo {
            width: 30px;
            height: 30px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            font-weight: 900;
            flex: 0 0 auto;
            letter-spacing: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0 16px;
            white-space: nowrap;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            font-size: 15px;
            color: #405453;
            padding: 9px 17px;
            border-radius: 999px;
            font-weight: 500;
            transition: all .18s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary-dark);
            background: rgba(15, 76, 81, .07);
        }

        .nav-links a.active {
            color: var(--primary-dark);
            font-weight: 700;
            background: rgba(15, 76, 81, .1);
        }

        .dock .btn i {
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: 0;
            width: 40px;
            height: 40px;
            border-radius: 999px;
            font-size: 19px;
            color: var(--primary);
            border: 1px solid var(--border);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            left: 14px;
            right: 14px;
            top: 74px;
            z-index: 998;
            background: rgba(255, 255, 255, .98);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 20px;
            box-shadow: 0 24px 70px rgba(15, 30, 30, .16);
        }

        .mobile-nav a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 13px 10px;
            color: var(--text);
            border-bottom: 1px solid #edf1ee;
            font-weight: 500;
        }

        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }

        .mobile-nav .btn {
            margin-top: 12px;
            justify-content: center;
            width: 100%;
        }

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

        /* Hero */
        .hero {
            padding: 182px 0 84px;
            background:
                linear-gradient(120deg, rgba(255, 255, 255, .94), rgba(247, 243, 238, .92)),
                url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            border-bottom: 1px solid var(--border);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.08fr .92fr;
            align-items: center;
            gap: 72px;
        }

        .hero h1 {
            font-size: clamp(36px, 4.6vw, 58px);
            font-weight: 900;
            line-height: 1.18;
            color: var(--primary-dark);
            letter-spacing: -0.03em;
            margin-bottom: 24px;
        }

        .hero-point {
            display: inline-block;
            background: rgba(177, 135, 59, .13);
            color: var(--accent);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            margin-bottom: 18px;
            letter-spacing: .03em;
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.9;
            color: #425654;
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 38px;
            color: var(--muted);
            font-size: 13.5px;
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-meta i {
            color: var(--success);
            font-size: 14px;
        }

        /* Hero visual */
        .console {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 30px 80px rgba(11, 56, 60, .16);
            border: 1px solid #e8edeb;
            overflow: hidden;
            position: relative;
        }

        .console-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 18px;
            background: #f5faf9;
            border-bottom: 1px solid #e5edeb;
        }

        .console-dots {
            display: flex;
            gap: 6px;
        }

        .console-dots i {
            width: 10px;
            height: 10px;
            border-radius: 999px;
            background: #d3dee0;
            display: block;
        }

        .console-top span {
            font-size: 12.5px;
            font-weight: 500;
            color: var(--muted);
            letter-spacing: .03em;
        }

        .console-body {
            padding: 26px 28px 32px;
        }

        .console-status {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            background: #F0F6F4;
            padding: 11px 16px;
            border-radius: 10px;
        }

        .console-status strong {
            font-size: 14px;
            color: var(--primary-dark);
        }

        .console-pill {
            color: #3F7D63;
            background: #dcece6;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 700;
        }

        .field {
            margin-bottom: 15px;
        }

        .field-label {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .field-box {
            background: #fafcfb;
            border: 1px solid #e1e9e7;
            border-radius: 9px;
            padding: 10px 13px;
            color: #94a5a3;
            font-size: 14px;
        }

        .field-code {
            font-family: monospace;
            letter-spacing: .18em;
            color: #536763;
        }

        .verify-line {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #ecf5f2;
            padding: 12px 14px;
            border-radius: 10px;
            margin: 12px 0 22px;
            font-size: 13.5px;
            color: #2a5a4f;
            font-weight: 500;
        }

        .verify-line i {
            color: var(--success);
            font-size: 17px;
        }

        .color-console {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #2c7c7a, #b1873b);
            position: absolute;
            right: -12px;
            top: 84px;
            opacity: .13;
        }

        .console-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid #e3ebea;
            border-radius: 12px;
            padding: 8px 14px;
            font-size: 12.5px;
            color: var(--primary);
            box-shadow: 0 6px 18px rgba(15,60,60,.06);
        }

        .console-tag i {
            color: var(--success);
        }

        .console-tag:nth-of-type(1) {
            position: absolute;
            left: -26px;
            bottom: 130px;
        }

        .console-tag:nth-of-type(2) {
            position: absolute;
            right: 20px;
            bottom: -16px;
        }

        /* Trust strip */
        .trust-strip {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 34px 0;
        }

        .trust-inner {
            display: flex;
            align-items: center;
            gap: 46px;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .trust-signs {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: wrap;
            font-size: 14px;
            color: #60706b;
            font-weight: 600;
        }

        .trust-signs span {
            border-right: 1px solid var(--border);
            padding-right: 22px;
        }

        .trust-signs span:last-child {
            border-right: 0;
        }

        .trust-stat {
            display: flex;
            gap: 34px;
            flex-wrap: wrap;
        }

        .trust-stat .num {
            font-size: 26px;
            font-weight: 900;
            color: var(--primary-dark);
            letter-spacing: -0.02em;
        }

        .trust-stat .unit {
            color: var(--accent);
            font-size: 15px;
            font-weight: 700;
        }

        .trust-stat .label {
            font-size: 12.5px;
            color: var(--muted);
            margin-top: 2px;
        }

        /* Features */
        .features-wrap {
            display: grid;
            grid-template-columns: .88fr 1.12fr;
            gap: 72px;
            align-items: flex-start;
        }

        .features-left {
            top: 110px;
            position: sticky;
        }

        .features-left .btn-link {
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            margin-top: 20px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid #e5edea;
            padding: 25px 26px;
            box-shadow: 0 4px 12px rgba(15,45,45,.02);
            transition: all .22s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            border-color: #b9d1ce;
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }

        .feature-card p {
            color: #536561;
            font-size: 14.5px;
            margin: 0 0 12px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            background: #f6f6f1;
            border: 1px solid #ece7db;
            color: #695f52;
            border-radius: 999px;
            font-size: 12px;
            padding: 4px 11px;
            font-weight: 500;
        }

        .feature-with-image {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 24px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid #e5edea;
            padding: 0;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(15,45,45,.04);
        }

        .feature-with-image .text {
            padding: 24px 4px 24px 26px;
        }

        .feature-with-image .image {
            height: 220px;
        }

        .feature-with-image .image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-with-image .image.cover {
            height: 100%;
            min-height: 220px;
        }

        .feature-with-image h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-dark);
        }

        .feature-with-image p {
            color: #596d68;
            font-size: 14.5px;
        }

        /* 反向布局 */
        .feature-with-image.reverse {
            grid-template-columns: 1.1fr .9fr;
        }

        .feature-with-image.reverse .image {
            order: 2;
        }

        /* Demo */
        .demo-section {
            background: var(--primary-dark);
            color: #e6f0ee;
        }

        .demo-section .section-title {
            color: #fff;
        }

        .demo-section .section-desc {
            color: rgba(230, 240, 238, .8);
        }

        .demo-section .section-kicker {
            background: rgba(177, 135, 59, .22);
            color: #e1c186;
        }

        .demo-stage {
            margin-top: 42px;
            background: linear-gradient(130deg, rgba(10, 52, 54, .88), rgba(11, 56, 60, .8)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border: 1px solid rgba(255, 255, 255, .16);
            min-height: 420px;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .demo-stage::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(600px 260px at 78% 20%, rgba(177,135,59,.14), transparent 70%);
        }

        .demo-play {
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .demo-play-btn {
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .5);
            box-shadow: 0 10px 40px rgba(0, 0, 0, .3);
            backdrop-filter: blur(6px);
            width: 76px;
            height: 76px;
            border-radius: 999px;
            color: #fff;
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .2s ease;
        }

        .demo-play-btn:hover {
            background: rgba(255,255,255,.28);
            transform: scale(1.08);
        }

        .demo-play-text {
            font-size: 14px;
            letter-spacing: .06em;
            color: rgba(255, 255, 255, .85);
        }

        .demo-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 42px;
        }

        .demo-step {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 14px;
            padding: 20px;
            transition: background .2s;
        }

        .demo-step:hover {
            background: rgba(255,255,255,.12);
        }

        .demo-step .step-no {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 8px;
            color: var(--primary-dark);
            background: #dcbf85;
            font-size: 13px;
            font-weight: 900;
            margin-bottom: 13px;
        }

        .demo-step h4 {
            font-size: 15.5px;
            margin: 0 0 4px;
            color: #fff;
        }

        .demo-step p {
            font-size: 13px;
            margin: 0;
            color: rgba(230, 240, 238, .68);
            line-height: 1.7;
        }

        /* Testimonials */
        .testimonial-layout {
            display: grid;
            grid-template-columns: 1fr 1.15fr;
            gap: 46px;
            align-items: stretch;
        }

        .case-show {
            border-radius: 18px;
            background: #fff;
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow);
        }

        .case-show-image {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 18px;
            max-height: 260px;
        }

        .case-show-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .case-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            margin-top: 8px;
        }

        .metrics-box {
            flex: 1;
            min-width: 84px;
            background: #F7F7F3;
            border-radius: 12px;
            padding: 10px 12px;
        }

        .metrics-box strong {
            display: block;
            font-size: 22px;
            color: var(--primary);
        }

        .metrics-box small {
            color: var(--muted);
            font-size: 11.5px;
        }

        .testimonial-stack {
            display: flex;
            flex-direction: column;
            gap: 18px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid #E8EDE9;
            box-shadow: 0 4px 16px rgba(15,50,50,.03);
            border-radius: 16px;
            padding: 24px;
            transition: all .2s;
            flex: none;
        }

        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card blockquote {
            margin: 0 0 15px;
            color: #485b57;
            font-size: 15px;
            line-height: 1.85;
        }

        .testimonial-from {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .avatar {
            width: 40px;
            height: 40px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
        }

        .avatar.name-2 {
            background: #efe2cf;
            color: #8a5f22;
        }

        .avatar.name-3 {
            background: #dfe8e9;
            color: #2d5c56;
        }

        .testimonial-from h4 {
            font-size: 14px;
            margin: 0;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .testimonial-from small {
            color: var(--muted);
            font-size: 12px;
        }

        /* Pricing */
        .pricing-section {
            background: #EAEAE3;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: center;
            margin-top: 32px;
        }

        .pricing-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: transform .22s, box-shadow .22s;
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .pricing-card.featured {
            background: var(--primary-dark);
            color: #eff7f6;
            padding: 44px 32px;
            transform: translateY(-14px);
            border-color: #0c3a3e;
        }

        .pricing-card.featured:hover {
            transform: translateY(-18px);
        }

        .pricing-card .badge {
            position: absolute;
            top: 18px;
            right: 20px;
            font-size: 12px;
            border-radius: 999px;
            background: rgba(177,135,59,.14);
            color: #a27732;
            padding: 4px 12px;
            font-weight: 600;
        }

        .pricing-card.featured .badge {
            background: rgba(177,135,59,.28);
            color: #E8CD9D;
        }

        .plan-name {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 4px;
        }

        .plan-desc {
            font-size: 13.5px;
            color: var(--muted);
            min-height: 42px;
        }

        .featured .plan-desc {
            color: rgba(230,240,238,.72);
        }

        .plan-price {
            font-size: 30px;
            font-weight: 900;
            margin: 18px 0;
            display: flex;
            align-items: baseline;
            gap: 6px;
            white-space: nowrap;
        }

        .plan-price span {
            font-size: 13px;
            color: var(--muted);
            font-weight: 400;
        }

        .featured .plan-price span {
            color: rgba(230,240,238,.7);
        }

        .plan-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .plan-list li {
            font-size: 14px;
            padding-left: 26px;
            position: relative;
            color: #51645f;
        }

        .plan-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 400;
            position: absolute;
            left: 0;
            color: #3f9a65;
        }

        .featured .plan-list li {
            color: rgba(230,240,238,.9);
        }

        .featured .plan-list li::before {
            color: #d6bb81;
        }

        .pricing-card .btn {
            width: 100%;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 880px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid #E3E9E7;
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }

        .faq-item:hover {
            border-color: #Bdcbc8;
        }

        .faq-item[open] {
            border-color: #AFC9C6;
            box-shadow: var(--shadow);
        }

        details summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary-dark);
        }

        details summary::-webkit-details-marker {
            display: none;
        }

        .faq-icon {
            color: var(--accent);
            font-size: 16px;
            transition: transform .2s;
            width: 24px;
            height: 24px;
            border-radius: 999px;
            background: #f6f2ec;
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
        }

        details[open] .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 26px 22px 26px;
            color: #566a65;
            font-size: 15px;
            line-height: 1.9;
            border-top: 1px dashed #E6ECE9;
        }

        .faq-answer p {
            margin-top: 14px;
        }

        /* News / cms */
        .news-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .news-card {
            background: #fff;
            border: 1px solid #e7ece9;
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all .2s ease;
        }

        .news-card:hover {
            border-color: #c3d6d3;
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .news-meta {
            padding: 18px 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            font-size: 12.5px;
            color: var(--muted);
        }

        .news-badge {
            background: #EFF3F1;
            color: var(--primary);
            border-radius: 6px;
            padding: 3px 9px;
            font-weight: 700;
            font-size: 12px;
        }

        .news-time {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .news-title {
            display: block;
            margin: 12px 20px 8px;
            font-size: 17px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.4;
            transition: color .2s;
        }

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

        .news-summary {
            margin: 0 20px 14px;
            font-size: 14px;
            color: #5b706d;
            line-height: 1.7;
        }

        .news-more {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid #EEF2F0;
            padding: 13px 20px;
            margin-top: auto;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
        }

        .news-more i {
            transition: transform .2s;
        }

        .news-card:hover .news-more i {
            transform: translateX(4px);
        }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            border: 2px dashed #d5dfdc;
            border-radius: 16px;
            min-height: 180px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            color: #80918e;
            background: rgba(255,255,255,.6);
            padding: 30px;
        }

        .news-empty i {
            font-size: 28px;
            color: #9cb0ac;
        }

        /* CTA */
        .contact-cta {
            background: var(--primary);
            color: #fff;
            border-radius: 28px;
            position: relative;
            overflow: hidden;
        }

        .contact-cta::before {
            content: '';
            position: absolute;
            width: 520px;
            height: 520px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .08);
            right: -180px;
            top: -260px;
        }

        .contact-cta-inner {
            text-align: center;
            padding: 68px 24px;
            position: relative;
            z-index: 2;
        }

        .contact-cta h2 {
            font-size: clamp(26px, 4vw, 42px);
            font-weight: 900;
            color: #fff;
            margin: 0 0 14px;
        }

        .contact-cta p {
            color: rgba(240, 250, 248, .85);
            max-width: 660px;
            margin: 0 auto 32px;
            font-size: 17px;
        }

        /* Footer */
        .footer {
            background: var(--primary-dark);
            color: #b9cec8;
            padding: 66px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .brand {
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.9;
            color: rgba(230, 240, 238, .62);
            margin-top: 10px;
            margin-bottom: 18px;
        }

        .social a {
            color: #a6bfba;
            margin-right: 10px;
            background: rgba(255,255,255,.06);
            width: 32px;
            height: 32px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all .18s;
        }

        .social a:hover {
            background: var(--accent);
            color: #fff;
        }

        .footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 12px;
        }

        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer ul a {
            font-size: 13.5px;
            color: #9bb5b0;
        }

        .footer ul a:hover {
            color: #fff;
        }

        .footer-contact {
            font-size: 13.5px;
            color: #9bb5b0;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 18px;
            margin-right: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .09);
            padding: 18px 0;
            font-size: 13px;
            color: #83a09a;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: space-between;
        }

        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 90;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #fff;
            box-shadow: 0 10px 28px rgba(177,135,59,.3);
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 22px;
            transition: transform .18s, background .18s;
        }

        .float-cta:hover {
            background: #976826;
            transform: translateY(-3px);
        }

        /* Toast */
        .toast-tip {
            position: fixed;
            left: 50%;
            bottom: 40px;
            transform: translateX(-50%) translateY(20px);
            background: rgba(11, 56, 60, .92);
            color: #fff;
            padding: 12px 22px;
            border-radius: 999px;
            font-size: 14px;
            z-index: 1200;
            opacity: 0;
            pointer-events: none;
            white-space: nowrap;
            transition: all .3s;
        }

        .toast-tip.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        /* Reveal animation */
        .reveal {
            opacity: 0;
            transform: translateY(22px);
            transition: opacity .55s ease, transform .55s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero {
                padding: 160px 0 64px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .console {
                max-width: 600px;
                margin: 0 auto;
            }
            .section {
                padding: 78px 0;
            }
            .features-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .features-left {
                position: static;
            }
            .features-left .section-title br {
                display: none;
            }
            .testimonial-layout {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin-left: auto;
                margin-right: auto;
            }
            .pricing-card.featured {
                transform: none;
            }
            .pricing-card.featured:hover {
                transform: translateY(-5px);
            }
            .demo-steps {
                grid-template-columns: 1fr 1fr;
            }
            .trust-inner {
                flex-direction: column;
                gap: 26px;
            }
            .news-cards {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            section {
                padding: 64px 0;
            }
            .header-dock {
                padding: 0 12px;
            }
            .nav-links,
            .dock-actions .btn {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .brand {
                font-size: 16px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .demo-steps {
                grid-template-columns: 1fr;
            }
            .news-cards {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-with-image {
                grid-template-columns: 1fr;
            }
            .feature-with-image .image {
                order: 2;
                min-height: 170px !important;
                height: 170px;
            }
            .feature-with-image.reverse .image {
                order: 2;
            }
            .feature-with-image .image img {
                height: 170px;
            }
            .float-cta {
                right: 16px;
                bottom: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 10px;
            }
            .trust-stat {
                gap: 16px;
                width: 100%;
            }
            .demo-stage {
                min-height: 280px;
            }
            .pricing-card.featured {
                padding: 36px 24px;
            }
            .contact-cta-inner {
                padding: 50px 22px;
            }
        }

/* roulang page: article */
:root {
    --primary: #0F4C51;
    --primary-dark: #0B383C;
    --primary-soft: #E6F0EE;
    --accent: #B1873B;
    --accent-light: #E5D8B8;
    --bg: #F7F3EE;
    --card-bg: #FFFDFB;
    --text: #243332;
    --muted: #697B77;
    --border: #E6E2DB;
    --radius: 16px;
    --radius-btn: 8px;
    --shadow-sm: 0 4px 14px rgba(11, 56, 60, 0.06);
    --shadow-md: 0 10px 30px rgba(11, 56, 60, 0.1);
    --shadow-lg: 0 18px 50px rgba(11, 56, 60, 0.14);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.78;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.22s ease, opacity 0.22s ease;
}

ul,
li,
p,
h1,
h2,
h3,
h4,
h5,
figure {
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== Dock navigation ===== */
.site-header {
    position: fixed;
    top: 18px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 18px;
}

.header-inner {
    max-width: 1160px;
    margin: 0 auto;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 8px 16px 8px 20px;
    border-radius: 40px;
    background: rgba(255, 255, 255, 0.82);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 20px rgba(11, 56, 60, 0.08);
    transition: background .3s, box-shadow .3s;
}

.site-header.is-scrolled .header-inner {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 26px rgba(11, 56, 60, 0.12);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    color: var(--primary-dark);
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

.brand-logo,
.footer .brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, #0F4C51 0%, #173F3A 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    font-weight: 900;
    box-shadow: 0 4px 10px rgba(15, 76, 81, 0.2);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 40px;
}

.nav-links a {
    padding: 6px 15px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: #35504a;
    white-space: nowrap;
    transition: background .25s, color .25s;
}

.nav-links a:hover {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.nav-links a.active {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(15, 76, 81, .24);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .22s ease, background .22s ease, box-shadow .25s ease, border-color .22s ease;
}

.btn:focus-visible {
    outline: 3px solid rgba(15, 76, 81, 0.4);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    padding: 12px 24px;
    box-shadow: 0 4px 10px rgba(15, 76, 81, 0.18);
}

.btn-primary:hover {
    background: #0c3f43;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: none;
}

.btn-outline {
    background: #fff;
    color: var(--primary-dark);
    border-color: var(--primary);
    padding: 10px 22px;
}

.btn-outline:hover {
    background: rgba(15, 76, 81, 0.05);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline:active {
    transform: translateY(1px);
}

.nav-cta .btn {
    padding: 9px 18px;
    font-size: 13px;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    color: var(--primary-dark);
    font-size: 19px;
    cursor: pointer;
    padding: 6px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-band {
    background: #efeae4;
    padding: 34px 0 14px;
    border-bottom: 1px solid var(--border);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--muted);
}

.breadcrumb a {
    color: var(--primary);
}

.breadcrumb a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb i {
    font-size: 11px;
    color: #a9a6a0;
}

.breadcrumb span {
    color: var(--text);
    font-weight: 500;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Main Article layout ===== */
.article-wrap {
    padding: 42px 0 90px;
}

.article-page-title h1 {
    margin: 24px 0 18px;
    font-size: 34px;
    line-height: 1.42;
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: .01em;
}

.article-publish {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 22px;
    color: var(--muted);
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 18px;
    margin-bottom: 32px;
}

.article-publish i {
    margin-right: 5px;
    color: var(--accent);
}

.article-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 46px;
}

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

.article-content {
    font-size: 16px;
    line-height: 1.95;
    color: #2a3d3b;
    word-break: break-word;
}

.article-content > * {
    margin-bottom: 1.5em;
}

.article-content h2 {
    font-size: 25px;
    font-weight: 800;
    line-height: 1.55;
    color: var(--primary-dark);
    margin-top: 2em;
    padding-left: 15px;
    position: relative;
}

.article-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    bottom: 0.55em;
    width: 4px;
    border-radius: 3px;
    background: var(--accent);
}

.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-top: 2.2em;
    line-height: 1.5;
}

.article-content img {
    border-radius: var(--radius);
    margin: 2em 0;
    box-shadow: var(--shadow-sm);
}

.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: #f2ece2;
    color: #55655e;
    padding: 16px 22px;
    border-radius: 0 12px 12px 0;
    margin: 2em 0;
}

.article-content code {
    background: #ecf0ed;
    color: #244a4a;
    border-radius: 6px;
    padding: 2px 7px;
    font-size: .9em;
    font-family: "SFMono-Regular", "Consolas", monospace;
}

.article-content pre {
    background: #102f31;
    color: #d9e8e3;
    padding: 22px 26px;
    border-radius: 14px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.65;
    margin: 2em 0;
    box-shadow: var(--shadow-sm);
}

.article-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.article-content ul,
.article-content ol {
    padding-left: 1.3em;
}

.article-content ul li,
.article-content ol li {
    margin-bottom: 0.6em;
}

.article-content a {
    color: var(--primary);
    border-bottom: 1px solid rgba(15, 76, 81, .3);
}

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

.article-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    border-radius: 12px;
    overflow: hidden;
}

.article-content th,
.article-content td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}

.article-content th {
    background: rgba(15, 76, 81, .08);
    font-weight: 700;
}

.article-footer-nav {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.article-footer-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #ebe6e0;
    color: var(--text);
    font-size: 14px;
    padding: 10px 18px;
    border-radius: var(--radius-btn);
    transition: all .25s ease;
}

.article-footer-nav a:hover {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.article-footer-nav a.next {
    background: var(--primary-soft);
}

/* ===== Right sidebar ===== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.side-block {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.side-block h3 {
    font-size: 15px;
    font-weight: 800;
    color: var(--primary-dark);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-soft);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.side-block h3 i {
    color: var(--accent);
    font-size: 15px;
}

.toc {
    list-style: none;
}

.toc li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 6px;
    font-size: 14px;
    line-height: 1.65;
}

.toc li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #c0b9a9;
}

.toc a {
    color: #4f6460;
}

.toc a:hover {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.side-related a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
    line-height: 1.55;
    color: #3a514d;
    transition: color .2s, padding-left .2s;
}

.side-related a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.side-related a span {
    display: block;
    font-size: 12px;
    color: #9a968f;
    margin-top: 3px;
}

.side-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.side-contact .contact-line {
    display: flex;
    gap: 10px;
    font-size: 13px;
    color: var(--muted);
    align-items: center;
}

.side-contact i {
    color: var(--accent);
    width: 20px;
    text-align: center;
    font-size: 14px;
}

/* ===== NotFound state ===== */
.notfound {
    text-align: center;
    padding: 56px 20px;
    background: var(--card-bg);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.notfound .icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #eae5de;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #8a9c97;
    font-size: 30px;
    margin-bottom: 20px;
}

.notfound h2 {
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.notfound p {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 20px;
}

/* ===== CTA band ===== */
.cta-band {
    background: linear-gradient(100deg, #0B383C 0%, #0F4C51 60%, #14575A 100%);
    padding: 64px 24px;
    text-align: center;
    color: #fff;
}

.cta-band h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 14px;
}

.cta-band p {
    max-width: 640px;
    margin: 0 auto 28px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
}

.cta-band .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-band .btn-ghost-white {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .75);
    color: #fff;
    padding: 12px 27px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 15px;
    transition: background .25s, transform .2s;
}

.cta-band .btn-ghost-white:hover {
    background: rgba(255, 255, 255, .14);
    transform: translateY(-1px);
}

.cta-band .btn-white {
    background: #fff;
    color: var(--primary-dark);
    padding: 12px 27px;
    border-radius: var(--radius-btn);
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, .16);
    transition: background .25s, transform .2s;
}

.cta-band .btn-white:hover {
    background: #ece9e4;
    transform: translateY(-1px);
}

/* ===== Footer ===== */
.footer {
    background: #0B383C;
    color: #B8C9C5;
    padding-top: 68px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 44px;
}

.footer h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 17px;
    letter-spacing: .05em;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer a {
    color: #9eb3ae;
    font-size: 14px;
}

.footer a:hover {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.85;
    color: #8da5a0;
    margin: 14px 0 20px;
    max-width: 300px;
}

.footer .brand {
    color: #fff;
}

.footer-brand .social {
    display: flex;
    gap: 10px;
}

.footer-brand .social a {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 8px;
    color: #d4e0dc;
    transition: all .25s;
}

.footer-brand .social a:hover {
    background: rgba(255, 255, 255, .08);
    color: #fff;
    border-color: rgba(255, 255, 255, .4);
}

.footer-contact > div {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 14px;
    color: #9eb3ae;
}

.footer-contact i {
    width: 16px;
    color: var(--accent-light);
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 20px 0 22px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #829b95;
}

/* ===== Content reveal ===== */
.content-reveal {
    animation: fadeUp 0.5s ease backwards;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Responsive ===== */
@media (min-width: 1400px) {
    .article-page-title h1 { font-size: 38px; }
}

@media (max-width: 991px) {
    .article-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 34px;
    }
    .article-sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 767px) {
    body { font-size: 15px; line-height: 1.7; }
    .site-header { top: 10px; }
    .header-inner {
        border-radius: 24px;
        flex-wrap: wrap;
        padding: 10px 14px;
        gap: 6px;
    }
    .nav-links {
        display: none;
        width: 100%;
        order: 3;
        flex-direction: column;
        background: transparent;
        padding: 10px;
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links a {
        width: 100%;
        text-align: center;
        padding: 11px 15px;
    }
    .nav-cta .btn { display: none; }
    .nav-toggle {
        display: block;
    }
    .article-page-title h1 {
        font-size: 25px;
        line-height: 1.5;
        margin-top: 16px;
    }
    .article-content {
        font-size: 15px;
        line-height: 1.88;
    }
    .article-publish {
        gap: 8px 14px;
    }
    .cta-band { padding: 44px 20px; }
    .cta-band h2 { font-size: 23px; }
    .cta-band .cta-buttons { flex-direction: column; align-items: stretch; }
    .article-sidebar { display: flex; flex-direction: column; }
    .footer { padding-top: 48px; }
    .footer-grid { grid-template-columns: 1fr; gap: 34px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    .article-footer-nav { flex-direction: column; }
    .article-footer-nav a { justify-content: center; }
    .breadcrumb-band {
        padding-top: 86px;
    }
}

@media (min-width: 768px) {
    .breadcrumb-band {
        padding-top: 100px;
    }
}

/* roulang page: category1 */
:root{
        --primary:#0F4C51;
        --primary-dark:#0B3A3E;
        --primary-deep:#083236;
        --primary-soft:#E5F0EE;
        --sand:#B1873B;
        --sand-soft:#F3EADB;
        --bg:#F7F3EE;
        --panel:#FFFFFF;
        --ink:#243332;
        --ink-deep:#173031;
        --muted:#667A76;
        --line:#E3D9CC;
        --line-soft:#EFE9E0;
        --radius-lg:20px;
        --radius-md:14px;
        --radius-sm:9px;
        --shadow-soft:0 14px 36px rgba(13,55,56,.1);
        --shadow-float:0 20px 46px rgba(13,55,56,.16);
    }

    *{margin:0;padding:0;box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:112px}
    body{
        font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
        background:var(--bg);
        color:var(--ink);
        line-height:1.75;
        -webkit-font-smoothing:antialiased;
    }
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    button{font-family:inherit}
    .container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
    .section{padding:88px 0}
    .section-alt{background:#FBF8F4}

    h1,h2,h3,h4{line-height:1.25;color:var(--ink-deep)}
    .overline{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--sand)}
    .overline:before{content:"";width:26px;height:2px;background:var(--sand)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;background:rgba(15,76,81,.08);color:var(--primary);border-radius:999px;font-weight:600;font-size:.85rem;border:1px solid rgba(15,76,81,.1)}

    .btn{
        display:inline-flex;align-items:center;justify-content:center;gap:9px;
        padding:.82rem 1.62rem;border-radius:10px;
        font-weight:600;font-size:.95rem;line-height:1.2;letter-spacing:.01em;
        border:1px solid transparent;
        transition:background .2s,color .2s,transform .2s,box-shadow .2s,border-color .2s;
    }
    .btn i{font-size:.9rem}
    .btn:focus-visible,.btn-link:focus-visible,a:focus-visible{outline:3px solid rgba(177,135,59,.5);outline-offset:3px}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(15,76,81,.18)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,76,81,.24)}
    .btn-primary:active{transform:translateY(0)}
    .btn-outline{background:#fff;color:var(--primary);border-color:#3F8A8C}
    .btn-outline:hover{background:rgba(15,76,81,.08);border-color:var(--primary)}
    .btn-light{background:#fff;color:var(--primary-dark)}
    .btn-light:hover{background:var(--sand-soft);color:var(--primary-dark);transform:translateY(-2px)}
    .btn-sm{padding:.64rem 1.15rem;font-size:.87rem;border-radius:9px}
    .btn-lg{padding:.94rem 1.9rem;font-size:1rem}
    .btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--sand)}
    .btn-link i{transition:transform .22s}
    .btn-link:hover i{transform:translateX(5px)}
    .btn-link:hover{color:var(--primary-dark)}

    /* ===== Header / Dock ===== */
    .site-header{position:fixed;top:14px;left:0;right:0;z-index:100;padding:0 20px;transition:top .3s}
    .dock-nav{
        max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;
        padding:9px 10px 9px 20px;
        background:rgba(255,255,255,.78);
        border:1px solid rgba(15,76,81,.1);
        border-radius:60px;
        box-shadow:0 12px 34px rgba(13,55,56,.09);
        backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
        transition:background .3s,box-shadow .3s,border-color .3s;
    }
    .site-header.compact .dock-nav{background:rgba(255,255,255,.96);box-shadow:0 12px 38px rgba(13,55,56,.14);border-color:rgba(15,76,81,.14)}
    .site-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
    .logo-orb{
        width:38px;height:38px;border-radius:13px;display:flex;align-items:center;justify-content:center;
        background:linear-gradient(135deg,var(--primary) 0%,#1B6B6B 100%);
        color:#fff;font-size:.92rem;font-weight:800;box-shadow:0 6px 14px rgba(15,76,81,.26);
    }
    .site-logo .brand-text{font-weight:800;font-size:1.08rem;color:var(--ink);letter-spacing:.01em}
    .brand-text small{display:block;font-size:.62rem;color:var(--muted);font-weight:500; letter-spacing:.03em;line-height:1}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{display:inline-flex;align-items:center;padding:.52rem .92rem;border-radius:50px;font-size:.92rem;font-weight:500;color:var(--muted);white-space:nowrap}
    .main-nav a:hover{color:var(--primary);background:rgba(15,76,81,.06)}
    .main-nav a.active{color:var(--primary-dark);background:var(--primary-soft);font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:none;background:rgba(15,76,81,.08);color:var(--primary);font-size:1rem;align-items:center;justify-content:center}
    .nav-toggle:hover{background:rgba(15,76,81,.15)}
    .mobile-nav{display:none}
    .header-holder{height:70px}

    /* ===== Hero ===== */
    .hero{position:relative;overflow:hidden;padding:140px 0 96px}
    .hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;background-repeat:no-repeat}
    .hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(101deg,rgba(247,243,238,.98) 4%,rgba(247,243,238,.93) 38%,rgba(240,235,225,.8) 78%)}
    .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
    .hero h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:800;line-height:1.18;color:var(--ink-deep)}
    .hero h1 .brand-word{display:block;font-size:.52em;letter-spacing:.08em;color:var(--sand);margin-bottom:10px;font-weight:700}
    .hero h1 .hero-line{display:block;font-weight:900}
    .hero-lede{margin:24px 0 32px;color:var(--muted);font-size:1.03rem;max-width:560px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px}
    .hero-mini-note{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
    .hero-mini-note span{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;color:#556B68;background:rgba(255,255,255,.72);border:1px solid var(--line-soft);padding:5px 14px;border-radius:999px}
    .hero-mini-note i{color:var(--sand)}

    .console-card{background:rgba(255,255,255,.92);border-radius:22px;border:1px solid rgba(15,76,81,.12);box-shadow:var(--shadow-soft);overflow:hidden;backdrop-filter:blur(8px)}
    .console-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line-soft);background:#fff}
    .console-head .dot-group{display:flex;gap:6px}
    .console-head .dot{width:9px;height:9px;border-radius:50%;display:inline-block}
    .console-head .dot:nth-child(1){background:#D8897A}
    .console-head .dot:nth-child(2){background:#E0BD78}
    .console-head .dot:nth-child(3){background:#6FAF9A}
    .console-title{font-size:.78rem;color:var(--muted);font-weight:700;letter-spacing:.06em}
    .console-state{font-size:.74rem;color:var(--sand);font-weight:700}
    .console-body{padding:18px}
    .console-metric{display:flex;gap:12px;margin-bottom:14px}
    .metric-cell{flex:1;background:#FBF8F4;border:1px solid var(--line-soft);border-radius:12px;padding:12px 13px}
    .metric-cell .label{font-size:.72rem;color:var(--muted)}
    .metric-cell .value{font-size:1rem;font-weight:800;color:var(--primary-dark);margin-top:3px}
    .console-row{display:flex;align-items:center;gap:10px;padding:11px 13px;border:1px solid var(--line-soft);border-radius:12px;margin-top:8px;background:#fff}
    .console-check{width:30px;height:30px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.8rem;flex-shrink:0}
    .check-pass{background:#6FAF9A}
    .check-warn{background:var(--sand)}
    .check-block{background:#B36A5A}
    .console-row .main-text{font-size:.88rem;font-weight:700;color:var(--ink-deep)}
    .console-row .sub-text{font-size:.76rem;color:var(--muted)}
    .console-recommend{margin-top:12px;background:var(--sand-soft);border-radius:12px;padding:10px 12px;font-size:.78rem;color:#6B5123;border:1px solid #E5D0A8}
    .console-recommend strong{color:#8F6A2A}

    /* ===== Proof strip ===== */
    .proof-section{background:#123F42;color:#EAF3F0;padding:32px 0}
    .proof-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:center}
    .proof-item{display:flex;align-items:center;gap:12px;border-left:1px solid rgba(255,255,255,.15);padding-left:20px}
    .proof-item:first-child{border-left:none;padding-left:0}
    .proof-item i{color:#D0AB64;font-size:1.1rem}
    .proof-item .proof-text{font-size:.86rem;color:rgba(255,255,255,.86)}
    .proof-item .proof-text strong{display:block;color:#fff;font-size:.98rem;line-height:1.45}

    /* ===== Feature split ===== */
    .features-wrap{display:grid;grid-template-columns:.84fr 1.16fr;gap:56px;align-items:start}
    .features-intro{position:sticky;top:108px}
    .features-intro h2{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:800}
    .features-intro .lead{margin-top:18px;color:var(--muted);font-size:.98rem;line-height:1.85}
    .features-intro .btn-link{margin-top:26px}
    .features-list{display:flex;flex-direction:column;gap:18px}
    .feature-block{
        position:relative;display:flex;gap:18px;padding:22px 22px;
        background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius-md);
        transition:background .25s,transform .25s,box-shadow .25s;
        box-shadow:0 2px 6px rgba(13,55,56,.03);
    }
    .feature-block:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:#CDD9D4}
    .feature-icon{flex-shrink:0;width:46px;height:46px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.15rem}
    .feature-body h3{font-size:1.05rem;font-weight:750}
    .feature-body p{margin-top:6px;font-size:.9rem;color:var(--muted);line-height:1.75}
    .feature-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}
    .feature-tags span{font-size:.73rem;font-weight:600;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:3px 11px;color:#5A6C69}
    .feature-tags span.hot{background:var(--sand-soft);border-color:#E2CDA6;color:#7B5C27}

    /* ===== Demo / Stage ===== */
    .demo-band{position:relative;overflow:hidden;background:var(--primary-deep);padding:88px 0}
    .demo-band h2{color:#fff}
    .demo-band .overline{color:#D0AB64}
    .demo-band .overline:before{background:#D0AB64}
    .demo-band .lead{color:rgba(255,255,255,.72);max-width:620px;margin-top:14px}
    .demo-screen{position:relative;margin-top:40px;background:#0D3235;border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:14px;box-shadow:0 28px 70px rgba(3,20,21,.45)}
    .demo-topbar{display:flex;align-items:center;gap:10px;padding-bottom:12px}
    .demo-topbar .bar-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.2)}
    .demo-topbar .bar-title{font-size:.8rem;color:rgba(255,255,255,.65);letter-spacing:.04em;margin-left:4px}
    .demo-screen img{border-radius:14px;width:100%;height:auto}
    .demo-play{
        position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
        width:76px;height:76px;border-radius:50%;border:none;background:rgba(255,255,255,.92);color:var(--primary);
        font-size:1.35rem;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px rgba(0,0,0,.35);backdrop-filter:blur(6px);transition:transform .25s;
    }
    .demo-play:hover{transform:translate(-50%,-50%) scale(1.08)}
    .demo-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
    .demo-step{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:22px}
    .demo-step .step-num{font-weight:800;color:#D0AB64;font-size:.8rem;letter-spacing:.1em}
    .demo-step h3{color:#fff;font-size:1rem;margin-top:10px}
    .demo-step p{margin-top:7px;color:rgba(255,255,255,.66);font-size:.87rem}

    /* ===== Process ===== */
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:38px}
    .process-card{position:relative;padding:26px 22px 22px;background:#fff;border-radius:16px;border-top:3px solid var(--primary);box-shadow:0 8px 20px rgba(13,55,56,.06);transition:all .25s}
    .process-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
    .process-num{position:absolute;top:-14px;left:20px;background:var(--primary);color:#fff;width:30px;height:30px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800}
    .process-card h3{font-size:1rem;font-weight:750}
    .process-card p{margin-top:8px;font-size:.88rem;color:var(--muted);line-height:1.7}
    .arrow-flow{position:absolute;top:35px;right:-22px;color:var(--sand);font-size:.82rem;z-index:2}

    /* ===== Scenario / Protocol ===== */
    .split-panel{background:var(--panel);border-radius:var(--radius-lg);display:grid;grid-template-columns:1fr 1fr;overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid var(--line-soft)}
    .split-visual{min-height:340px;background-size:cover;background-position:center;position:relative}
    .split-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(15,76,81,.12),rgba(15,76,81,.45))}
    .split-content{padding:38px}
    .split-content h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800}
    .split-content>p{margin-top:14px;color:var(--muted)}
    .support-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
    .support-item{display:flex;gap:10px;align-items:flex-start;background:var(--bg);border-radius:12px;padding:13px 14px;border:1px solid var(--line-soft)}
    .support-item i{margin-top:3px;color:var(--primary)}
    .support-item strong{display:block;font-size:.9rem;color:var(--ink-deep)}
    .support-item span{font-size:.79rem;color:var(--muted)}

    /* ===== FAQ / sidebar ===== */
    .faq-side{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line-soft);border-radius:15px;overflow:hidden;box-shadow:0 3px 8px rgba(13,55,56,.04);transition:border-color .2s}
    .faq-item:hover{border-color:#C9D8D2}
    .faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 22px;cursor:pointer;font-weight:700;color:var(--ink-deep);font-size:.95rem}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .q-mark{flex-shrink:0;width:27px;height:27px;border-radius:9px;background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800}
    .faq-item summary .chev{color:var(--sand);transition:transform .25s}
    .faq-item[open] summary .chev{transform:rotate(180deg)}
    .faq-item .answer{padding:0 22px 20px;color:var(--muted);font-size:.9rem;line-height:1.8;border-top:1px dashed var(--line);margin:0 22px 0;padding-left:0;padding-right:0}
    .faq-item .answer b{color:var(--primary-dark)}

    .help-side{position:sticky;top:110px}
    .help-card{background:var(--primary-deep);color:rgba(255,255,255,.82);border-radius:18px;padding:26px;box-shadow:var(--shadow-float)}
    .help-card h4{color:#fff;font-size:1.08rem;margin-bottom:10px}
    .help-card p{font-size:.86rem;color:rgba(255,255,255,.72);line-height:1.75}
    .help-card .btn-light{margin-top:20px}
    .rel-links{background:#fff;border:1px solid var(--line-soft);border-radius:18px;padding:22px;margin-top:18px}
    .rel-links h5{font-size:.92rem;color:var(--ink-deep);margin-bottom:14px;display:flex;align-items:center;gap:8px}
    .rel-links h5 i{color:var(--sand)}
    .rel-links a{display:flex;gap:9px;align-items:center;font-size:.86rem;font-weight:600;color:#3E615D;padding:10px 0;border-bottom:1px solid var(--line-soft)}
    .rel-links a:last-child{border-bottom:none}
    .rel-links a:hover{color:var(--sand)}

    /* ===== CTA ===== */
    .cta-band{background:var(--primary);color:#fff;padding:72px 0;position:relative;overflow:hidden}
    .cta-band:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-120px;top:-80px}
    .cta-band:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.08);border-radius:50%;right:-30px;top:-30px}
    .cta-inner{position:relative;z-index:2}
    .cta-band h2{color:#fff;font-size:clamp(1.6rem,3.4vw,2.5rem);font-weight:800}
    .cta-band p{color:rgba(255,255,255,.78);max-width:620px;margin:14px auto 34px}
    .cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
    .cta-contact{margin-top:22px;color:rgba(255,255,255,.62);font-size:.86rem;display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
    .cta-contact i{color:var(--sand)}

    /* ===== Footer ===== */
    .footer{background:var(--primary-deep);color:#C4D9D5;padding:62px 0 0;font-size:.9rem}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:38px}
    .footer-brand .brand{display:inline-flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:1.14rem}
    .footer-brand .logo-orb{background:#fff;color:var(--primary-deep)}
    .footer-brand p{margin-top:18px;font-size:.87rem;line-height:1.85;color:rgba(255,255,255,.66);max-width:280px}
    .social{margin-top:22px;display:flex;gap:10px}
    .social a{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);color:#E8F3EF;border:1px solid rgba(255,255,255,.1)}
    .social a:hover{background:var(--sand);color:#fff;border-color:var(--sand);transform:translateY(-2px)}
    .footer h4{color:#fff;font-size:.98rem;margin-bottom:18px}
    .footer ul{list-style:none}
    .footer ul li{padding:5px 0}
    .footer ul a{color:rgba(255,255,255,.68);font-size:.87rem;display:inline-flex;align-items:center;gap:7px}
    .footer ul a:hover{color:#fff}
    .footer ul a:hover:before{width:13px}
    .footer ul a:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--sand);transition:width .2s}
    .footer-contact div{display:flex;align-items:center;gap:9px;padding:7px 0;color:rgba(255,255,255,.7);font-size:.86rem}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.8rem;color:rgba(255,255,255,.46)}

    /* ===== Responsive ===== */
    @media (max-width:1024px){
        .hero-inner{grid-template-columns:1fr;gap:36px}
        .proof-inner{grid-template-columns:repeat(2,1fr);gap:18px}
        .proof-item{border-left:none;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:14px}
        .features-wrap{grid-template-columns:1fr;gap:32px}
        .features-intro{position:static}
        .process-grid{grid-template-columns:repeat(2,1fr)}
        .demo-steps{grid-template-columns:1fr;gap:14px}
        .faq-side{grid-template-columns:1fr;gap:28px}
        .help-side{position:static}
        .split-panel{grid-template-columns:1fr}
        .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
        .section{padding:58px 0}
        .site-header{padding:0 12px;top:8px}
        .dock-nav{padding:7px 8px 7px 13px;gap:10px}
        .site-logo .brand-text{font-size:.96rem}
        .site-logo .brand-text small{display:none}
        .main-nav{display:none}
        .nav-toggle{display:inline-flex}
        .nav-actions .btn{display:none}
        .mobile-nav{
            display:block;position:fixed;left:12px;right:12px;top:72px;background:#fff;border:1px solid var(--line);border-radius:18px;
            box-shadow:var(--shadow-float);padding:14px;z-index:120;transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .25s;
        }
        .mobile-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
        .mobile-nav a{display:flex;align-items:center;gap:9px;padding:13px 14px;border-radius:12px;font-weight:600;color:var(--ink);font-size:.95rem;border-bottom:1px solid var(--line-soft)}
        .mobile-nav a:last-child{border-bottom:none}
        .mobile-nav a:hover{background:var(--primary-soft);color:var(--primary-dark)}
        .mobile-nav a.active{background:var(--primary);color:#fff}
        .hero{padding-top:105px;padding-bottom:60px}
        .hero-actions .btn{width:100%}
        .proof-inner{grid-template-columns:1fr}
        .proof-item{border-left:none;border-bottom:1px solid rgba(255,255,255,.1);padding:0 0 14px}
        .process-grid{grid-template-columns:1fr}
        .process-card .arrow-flow{display:none}
        .support-grid{grid-template-columns:1fr}
        .footer-grid{grid-template-columns:1fr;gap:30px}
        .footer-bottom{justify-content:center;text-align:center}
        .cta-buttons .btn{width:100%}
        .demo-play{width:60px;height:60px;font-size:1.1rem}
    }
    @media (max-width:520px){
        .hero h1 .brand-word{font-size:.6em}
        .docker-label{display:none}
        .footer-bottom span{width:100%}
    }

/* roulang page: category2 */
:root{
    --primary:#0F4C51;
    --primary-deep:#0B383C;
    --accent:#B1873B;
    --accent-deep:#906D2F;
    --bg:#F7F3EE;
    --panel:#FFFFFF;
    --ink:#243332;
    --muted:#5E6F70;
    --line:#E2DEDA;
    --radius-lg:18px;
    --radius-md:14px;
    --shadow-soft:0 12px 38px rgba(15,76,81,.08), 0 2px 10px rgba(15,76,81,.04);
    --shadow-float:0 16px 44px rgba(11,56,60,.13), 0 4px 14px rgba(11,56,60,.07);
  }

  html{
    scroll-behavior:smooth;
    scroll-padding-top:130px;
  }

  body{
    background:var(--bg);
    font-family:"Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
    color:var(--ink);
    line-height:1.78;
    -webkit-font-smoothing:antialiased;
  }

  *{
    box-sizing:border-box;
  }

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

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

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

  .container{
    max-width:1200px;
    margin-inline:auto;
    padding-inline:24px;
    width:100%;
  }

  .wrap{
    max-width:1200px;
    margin-inline:auto;
    padding-inline:24px;
    width:100%;
  }

  .layout-page{
    overflow-x:hidden;
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--accent-deep);
    font-weight:600;
    letter-spacing:.06em;
    font-size:.86rem;
    background:rgba(177,135,59,.1);
    padding:7px 15px;
    border-radius:999px;
    border:1px solid rgba(177,135,59,.2);
  }

  .eyebrow::before{
    content:"";
    display:inline-block;
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--accent);
  }

  .section-pad{
    padding-block:88px;
  }

  .section-title{
    font-size:clamp(1.85rem, 3vw, 2.6rem);
    line-height:1.26;
    font-weight:900;
    color:var(--primary-deep);
    letter-spacing:.01em;
    margin:.3rem 0 .8rem;
  }

  .section-lead{
    font-size:1.03rem;
    color:var(--muted);
    max-width:820px;
    margin-bottom:2rem;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:.66rem;
    border-radius:12px;
    padding:.95rem 1.8rem;
    font-weight:600;
    font-size:1rem;
    border:1px solid transparent;
    cursor:pointer;
    transition:background .25s ease, border .25s ease, color .25s ease, box-shadow .25s ease, transform .18s ease;
  }

  .btn:hover{
    transform:translateY(-1px);
  }

  .btn:focus-visible,
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
  }

  .btn-primary{
    background:var(--primary);
    color:#fff;
    box-shadow:0 10px 24px rgba(15,76,81,.2);
  }

  .btn-primary:hover{
    background:var(--primary-deep);
    box-shadow:0 13px 30px rgba(11,56,60,.25);
  }

  .btn-secondary{
    background:#fff;
    border-color:rgba(15,76,81,.35);
    color:var(--primary);
  }

  .btn-secondary:hover{
    background:rgba(15,76,81,.06);
    border-color:var(--primary);
  }

  .btn-sm{
    padding:.55rem 1rem;
    font-size:.9rem;
    border-radius:10px;
  }

  .btn-light{
    background:#fff;
    color:var(--primary-deep);
    border-color:rgba(255,255,255,.4);
    box-shadow:0 10px 25px rgba(0,0,0,.12);
  }

  .btn-light:hover{
    background:rgba(255,255,255,.88);
  }

  .text-btn{
    display:inline-flex;
    align-items:center;
    gap:.4rem;
    color:var(--primary);
    font-weight:700;
  }

  .text-btn i{
    transition:transform .25s ease;
  }

  .text-btn:hover{
    color:var(--accent-deep);
  }

  .text-btn:hover i{
    transform:translateX(4px);
  }

  .pull-quote{
    border-left:4px solid var(--accent);
    background:rgba(177,135,59,.08);
    padding:1rem 1.4rem;
    border-radius:12px;
  }

  /* ============ header dock  ============ */
  .site-header{
    position:sticky;
    top:14px;
    z-index:55;
    padding-inline:18px;
    margin-top:14px;
    pointer-events:none;
  }

  .dock-bar{
    pointer-events:auto;
    max-width:1160px;
    margin-inline:auto;
    min-height:68px;
    display:flex;
    align-items:center;
    gap:18px;
    padding:7px 8px 7px 20px;
    background:rgba(255,255,255,.68);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border:1px solid rgba(255,255,255,.75);
    border-radius:999px;
    box-shadow:0 8px 28px rgba(15,76,81,.08);
    transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
  }

  .site-header.is-scrolled .dock-bar{
    background:rgba(255,255,255,.92);
    border-color:rgba(15,76,81,.10);
    box-shadow:0 16px 42px rgba(15,76,81,.12);
  }

  .brand{
    display:flex;
    align-items:center;
    gap:12px;
    white-space:nowrap;
  }

  .brand-logo{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    background:var(--primary);
    color:#fff;
    font-size:1.05rem;
    font-weight:900;
    border-radius:13px;
    box-shadow:0 8px 18px rgba(15,76,81,.22);
  }

  .brand-text{
    font-weight:900;
    font-size:1.12rem;
    color:var(--primary-deep);
    letter-spacing:.01em;
  }

  .nav-links{
    display:flex;
    align-items:center;
    gap:4px;
    margin-inline:auto;
  }

  .nav-links a{
    position:relative;
    padding:10px 16px;
    border-radius:999px;
    color:#344A49;
    font-weight:500;
    line-height:1.3;
    transition:background .25s ease, color .25s ease, opacity .25s ease;
  }

  .nav-links a:hover{
    color:var(--primary);
    background:rgba(15,76,81,.07);
  }

  .nav-links a.active{
    background:var(--primary);
    color:#fff;
    box-shadow:0 8px 20px rgba(15,76,81,.18);
  }

  .nav-cta{
    margin-right:5px;
  }

  .nav-toggle{
    display:none;
    border:1px solid rgba(15,76,81,.2);
    background:rgba(255,255,255,.85);
    border-radius:999px;
    width:42px;
    height:42px;
    align-items:center;
    justify-content:center;
    color:var(--primary);
    font-size:1.1rem;
    cursor:pointer;
    transition:background .25s ease;
  }

  .nav-toggle:hover{
    background:#fff;
  }

  /* ============ hero ============ */
  .cat-hero{
    position:relative;
    isolation:isolate;
    padding:clamp(5rem,9vw,8.5rem) 0 4.5rem;
    background-image:linear-gradient(180deg, rgba(247,243,238,.88), rgba(247,243,238,.96)), url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid rgba(15,76,81,.08);
  }

  .cat-hero::after{
    content:"";
    position:absolute;
    inset:auto -8% -20% auto;
    width:520px;
    height:520px;
    background:radial-gradient(circle at center, rgba(177,135,59,.12), transparent 68%);
    z-index:-1;
  }

  .breadcrumb{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:.88rem;
    color:var(--muted);
    margin-bottom:26px;
  }

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

  .breadcrumb i{
    font-size:.78rem;
    color:rgba(11,56,60,.4);
  }

  .hero-grid{
    display:grid;
    grid-template-columns:minmax(0, 1.08fr) minmax(0, .92fr);
    gap:64px;
    align-items:center;
  }

  .hero-copy h1{
    font-size:clamp(2.25rem, 5vw, 3.55rem);
    line-height:1.2;
    font-weight:900;
    color:var(--primary-deep);
    margin:.85rem 0 1.1rem;
  }

  .hero-copy h1 span{
    color:var(--primary);
    display:block;
  }

  .hero-sub{
    font-size:1.07rem;
    color:var(--muted);
    max-width:620px;
    margin-bottom:1.7rem;
  }

  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-bottom:1.8rem;
  }

  .hero-points{
    list-style:none;
    margin:0;
    padding:0;
    display:flex;
    flex-wrap:wrap;
    gap:22px;
  }

  .hero-points li{
    display:flex;
    align-items:center;
    gap:9px;
    color:#415756;
    font-size:.93rem;
  }

  .hero-points i{
    color:var(--accent-deep);
    background:rgba(177,135,59,.14);
    width:22px;
    height:22px;
    border-radius:50%;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:.72rem;
  }

  .hero-console{
    position:relative;
  }

  .console-shell{
    position:relative;
    background:rgba(255,255,255,.86);
    border:1px solid rgba(15,76,81,.13);
    border-radius:22px;
    box-shadow:var(--shadow-fl);
    padding:22px 22px 24px;
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
  }

  .console-shell::before{
    content:"";
    position:absolute;
    right:-18px;
    bottom:-18px;
    width:150px;
    height:150px;
    border-radius:50%;
    background:rgba(15,76,81,.06);
    z-index:-1;
  }

  .console-head{
    display:flex;
    align-items:center;
    gap:12px;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
  }

  .console-head .dots{
    display:flex;
    gap:6px;
  }

  .console-head .dots i{
    width:10px;
    height:10px;
    border-radius:50%;
    background:var(--line);
  }

  .console-head .dots i:first-child{ background:#D99B8B; }
  .console-head .dots i:nth-child(2){ background:#E7C88B; }
  .console-head .dots i:last-child{ background:#9CD0BA; }
  .console-label{
    font-size:.86rem;
    color:var(--muted);
    margin-inline:auto 0;
  }

  .console-row{
    display:flex;
    align-items:center;
    gap:12px;
    padding:14px 12px;
    border-radius:14px;
    background:#FAF7F3;
    border:1px solid rgba(15,76,81,.08);
    margin-top:18px;
  }

  .console-ico{
    width:44px;
    height:44px;
    min-width:44px;
    border-radius:12px;
    background:var(--primary);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.2rem;
  }

  .console-row .info small,
  .console-meta small{
    display:block;
    color:var(--muted);
    font-size:.8rem;
  }

  .console-meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:15px 16px;
    background:rgba(15,76,81,.05);
    border-radius:16px;
    margin-top:18px;
    border:1px dashed rgba(15,76,81,.18);
  }

  .console-meta .score{
    font-size:1.2rem;
    font-weight:900;
    color:var(--primary);
  }

  .status-pass{
    display:inline-flex;
    align-items:center;
    align-content:center;
    gap:7px;
    background:rgba(47,138,110,.13);
    padding:4px 12px;
    border-radius:999px;
    font-size:.83rem;
    font-weight:600;
    color:#226E58;
  }

  .status-warn{
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:rgba(177,135,59,.15);
    color:#8A6624;
    padding:4px 11px;
    border-radius:999px;
    font-weight:600;
    font-size:.82rem;
  }

  .console-metrics{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:10px;
    margin-top:18px;
  }

  .metric{
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    text-align:center;
    padding:15px 8px;
  }

  .metric strong{
    display:block;
    font-size:1.05rem;
    color:var(--primary-deep);
    margin-bottom:2px;
  }

  .metric small{
    color:var(--muted);
    font-size:.78rem;
  }

  /* proof strip */
  .proof-strip{
    background:var(--primary-deep);
    padding:32px 0;
    color:rgba(255,255,255,.88);
  }

  .proof-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:26px;
    align-items:stretch;
  }

  .proof-item{
    display:flex;
    gap:16px;
    padding:16px 6px;
    border-right:1px solid rgba(255,255,255,.12);
    border-left:1px solid rgba(255,255,255,.12);
  }

  .proof-item:first-child{border-left:0;}
  .proof-item:last-child{border-right:0;}

  .proof-item .pf-icon{
    width:38px;
    height:38px;
    min-width:38px;
    border-radius:10px;
    background:rgba(255,255,255,.11);
    display:flex;
    align-items:center;
    justify-content:center;
    color:#F0C678;
    font-size:1rem;
  }

  .proof-item strong{
    display:block;
    color:#fff;
    font-weight:700;
    font-size:.98rem;
  }

  .proof-item span{
    color:rgba(255,255,255,.68);
    font-size:.83rem;
  }

  /* category layout */
  .category-content{
    padding-block:90px 64px;
  }

  .category-main{
    display:grid;
    grid-template-columns:minmax(0,1fr) 290px;
    gap:50px;
    align-items:start;
  }

  .side-panel{
    position:sticky;
    top:110px;
    display:grid;
    gap:18px;
  }

  .side-card{
    background:#fff;
    border:1px solid rgba(15,76,81,.09);
    border-radius:var(--radius-md);
    padding:22px;
    box-shadow:0 6px 16px rgba(15,76,81,.04);
  }

  .side-card h3{
    font-size:1.06rem;
    font-weight:800;
    color:var(--primary-deep);
    margin:.1rem 0 1rem;
    padding-bottom:.7rem;
    border-bottom:1px solid var(--line);
  }

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

  .side-card li + li{
    margin-top:4px;
  }

  .side-card li a {
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:9px 10px;
    border-radius:9px;
    color:#435B5B;
    font-size:.96rem;
  }

  .side-card li a i{
    font-size:.78rem;
    color:rgba(15,76,81,.4);
  }

  .side-card li a:hover{
    background:rgba(15,76,81,.06);
    color:var(--primary);
  }

  .side-card li a.is-active{
    background:rgba(15,76,81,.09);
    color:var(--primary);
    font-weight:700;
  }

  .side-mini{
    background:linear-gradient(135deg, var(--primary), var(--primary-deep));
    color:#fff;
    border-radius:var(--radius-md);
    padding:24px;
    border:1px solid rgba(11,56,60,.2);
    position:relative;
  }

  .side-mini small{
    color:rgba(255,255,255,.65);
    letter-spacing:.05em;
  }

  .side-mini h4{
    font-size:1.08rem;
    line-height:1.5;
    font-weight:700;
    margin:.5rem 0 1rem;
    color:#fff;
  }

  .side-mini .btn{
    background:#fff;
    color:var(--primary-deep);
    padding:.6rem 1.1rem;
  }

 .side-mini .btn:hover{
    background:#F4EAD9;
  }

  /* capability intro */
  .cap-intro{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:46px;
    align-items:center;
    padding:20px 0 34px;
  }

  .cap-intro .sample-note{
    background:#fff;
    border-radius:18px;
    border:1px solid var(--line);
    box-shadow:var(--shadow-soft);
    padding:26px;
    position:relative;
  }

  .sample-note::after{
    content:"";
    position:absolute;
    top:-13px;
    right:28px;
    width:26px;
    height:26px;
    background:#fff;
    border-top:1px solid var(--line);
    border-right:1px solid var(--line);
    transform:rotate(-45deg);
  }

  .sample-note .list-line{
    display:flex;
    align-items:center;
    gap:9px;
    padding:7px 0;
    color:#426260;
    font-size:.95rem;
  }

  .sample-note .list-line i{
    color:var(--accent-deep);
  }

  .feature-list{
    margin-top:70px;
  }

  .feature-stage{
    display:grid;
    grid-template-columns:minmax(0, .8fr) minmax(0, 1.2fr);
    gap:36px;
    padding:36px 0;
    border-top:1px solid var(--line);
  }

  .feature-stage:first-child{border-top:0;}

  .stage-label{
    font-size:1rem;
    font-weight:900;
    color:var(--accent-deep);
    letter-spacing:.06em;
    text-transform:uppercase;
    margin-bottom:.65rem;
  }

  .feature-stage h3{
    font-size:1.35rem;
    font-weight:800;
    color:var(--primary-deep);
    margin:.2rem 0 .75rem;
  }

  .feature-stage p{
    color:var(--muted);
    margin-bottom:1rem;
  }

  .feature-stage .badge-list{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }

  .soft-badge{
    background:rgba(15,76,81,.07);
    padding:6px 13px;
    border-radius:999px;
    font-size:.82rem;
    color:var(--primary);
    font-weight:600;
  }

  .process-map{
    margin-top:80px;
    background:var(--primary-deep);
    border-radius:24px;
    color:#fff;
    padding:30px;
    position:relative;
    overflow:hidden;
    box-shadow:0 18px 48px rgba(11,56,60,.26);
  }

  .process-map::before{
    content:"";
    position:absolute;
    inset:0;
    background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity:.16;
  }

  .process-inner{
    position:relative;
    z-index:2;
  }

  .process-title{
    display:flex;
    justify-content:space-between;
    gap:30px;
    align-items:flex-end;
    margin-bottom:26px;
  }

  .process-title h3{
    font-size:1.75rem;
    font-weight:900;
    margin:0;
  }

  .process-title p{
    color:rgba(255,255,255,.68);
    max-width:450px;
    margin:0;
    font-size:.98rem;
  }

  .step-cols{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:10px;
    counter-reset:step;
  }

  .step{
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    backdrop-filter:blur(6px);
    border-radius:15px;
    padding:18px 14px 15px;
    min-height:132px;
  }

  .step::before{
    counter-increment:step;
    content:"0" counter(step);
    display:inline-block;
    font-size:.82rem;
    font-weight:900;
    color:#EFC877;
    letter-spacing:.04em;
    margin-bottom:8px;
  }

  .step strong{
    display:block;
    color:#fff;
    font-size:1rem;
    font-weight:700;
    margin-bottom:2px;
  }

  .step span{
    color:rgba(255,255,255,.75);
    font-size:.8rem;
    line-height:1.55;
  }

  .step + .step{
    position:relative;
  }

  .step + .step::after{
    content:"";
    position:absolute;
    top:50%;
    left:-10px;
    transform:translateY(-50%);
    border-top:2px dashed rgba(255,255,255,.35);
    width:10px;
  }

  /* scene cards */
  .scene-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:22px;
  }

  .scene-card{
    position:relative;
    min-height:260px;
    border-radius:20px;
    overflow:hidden;
    border:1px solid rgba(15,76,81,.1);
    box-shadow:map(var(--shadow-soft));
    isolation:isolate;
    transition:transform .3s ease, box-shadow .3s ease;
  }

  .scene-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-float);
  }

  .scene-card .scene-media{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    z-index:-2;
  }

  .scene-card::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(11,56,60,.02) 20%, rgba(11,40,43,.92) 100%);
    z-index:-1;
  }

  .scene-card:first-child{
    grid-row:span 2;
    min-height:542px;
  }

  .scene-body{
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    padding:26px;
    color:#fff;
  }

  .scene-body .tag{
    display:inline-block;
    background:rgba(255,255,255,.16);
    backdrop-filter:blur(6px);
    padding:4px 10px;
    border-radius:999px;
    font-size:.8rem;
    color:#F9E2B8;
    margin-bottom:16px;
  }

  .scene-body h3{
    font-size:1.5rem;
    font-weight:900;
    margin:0 0 10px;
    color:#fff;
  }

  .scene-body p{
    color:rgba(255,255,255,.84);
    font-size:.94rem;
    margin:0 0 7px;
  }

  .scene-body p i{
    color:#EFC877;
    margin-right:6px;
  }

  .scene-body .scene-more{
    display:inline-flex;
    gap:.85rem;
    align-items:center;
    margin-top:15px;
    font-weight:600;
    color:#fff;
    border-bottom:1px solid rgba(255,255,255,.4);
    padding-bottom:4px;
  }

  .scene-more:hover{
    color:#EFC877;
    border-color:#EFC877;
  }

  /* FAQ */
  .faq-wrap{
    max-width:900px;
    margin-inline:auto;
  }

  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    overflow:hidden;
    margin-bottom:12px;
    box-shadow:0 7px 20px rgba(15,76,81,.05);
    transition:border-color .25s ease, box-shadow .25s ease;
  }

  .faq-item:hover{
    border-color:rgba(177,135,59,.4);
  }

  .faq-item summary{
    list-style:none;
    cursor:pointer;
    padding:19px 24px;
    display:flex;
    align-items:center;
    gap:16px;
    font-weight:600;
    color:var(--primary-deep);
    transition:background .2s ease;
  }

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

  .faq-item summary .fq-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:rgba(15,76,81,.1);
    border-radius:50%;
    width:28px;
    height:28px;
    min-width:28px;
    color:var(--primary);
    font-size:.72rem;
    font-weight:900;
  }

  .faq-item summary .fig{
    margin-left:auto;
    width:20px;
    height:20px;
    border-radius:50%;
    transition:transform .26s ease;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--primary);
  }

  .faq-item summary .fig i{
    transition:transform .26s ease;
  }

  .faq-item[open] summary .fig i{
    transform:rotate(180deg);
  }

  .faq-item[open] summary{
    background:rgba(15,76,81,.04);
  }

  .faq-answer{
    padding:0 24px 22px 69px;
    color:var(--muted);
  }

  .faq-answer strong{
    color:var(--accent-deep);
    font-weight:700;
    margin-right:4px;
  }

  /* CTA */
  .cta-zone{
    margin-top:72px;
    position:relative;
    background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    padding:70px 0;
    z-index:0;
    overflow:hidden;
  }

  .cta-zone::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(100deg, rgba(11,56,60,.96), rgba(15,76,81,.93));
    z-index:-1;
  }

  .cta-grid{
    display:grid;
    grid-template-columns:minmax(0,.98fr) minmax(0,1fr);
    gap:56px;
    align-items:center;
    color:#fff;
  }

  .cta-intro .eyebrow{
    color:#F0C678;
    background:rgba(255,255,255,.08);
    border-color:rgba(255,255,255,.18);
  }

  .cta-intro h2{
    color:#fff;
    font-size:clamp(1.8rem, 3vw, 2.55rem);
    line-height:1.3;
    margin:.7rem 0 1.1rem;
  }

  .cta-intro p{
    color:rgba(255,255,255,.7);
    font-size:1rem;
  }

  .cta-intro .mini-line i{
    width:36px;
    height:36px;
    border-radius:10px;
    background:rgba(255,255,255,.12);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin-right:10px;
    color:#F0C678;
  }

  .lead-form{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.18);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-radius:20px;
    padding:28px;
    transition:opacity .3s ease;
  }

  .lead-form.is-sent{
    text-align:center;
    padding-block:50px;
  }

  .lead-form.is-sent .sent-msg{
    display:block !important;
  }

  .lead-form .sent-msg{
    display:none;
  }

  .sent-msg i{
    font-size:2.4rem;
    color:#EFC877;
  }

  .form-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px;
  }

  .field{
    display:flex;
    flex-direction:column;
    gap:6px;
  }

  .field label{
    color:rgba(255,255,255,.82);
    font-size:.85rem;
  }

  .field input,
  .field select,
  .field textarea{
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.2);
    border-radius:10px;
    color:#fff;
    padding:10px 13px;
    transition:background .25s ease, border-color .25s ease;
  }

  .field input::placeholder,
  .field textarea::placeholder{
    color:rgba(255,255,255,.5);
  }

  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    background:rgba(255,255,255,.18);
    border-color:#F0C678;
  }

  .field select option{
    color:#243332;
  }

  .lead-form .btn{
    width:100%;
    margin-top:14px;
    background:#fff;
    color:var(--primary-deep);
  }

  .lead-form .btn:hover{
    background:#F4EAD9;
  }

  .form-note{
    margin-top:12px;
    color:rgba(255,255,255,.46);
    text-align:center;
    font-size:.78rem;
  }

  /* footer */
  .footer{
    background:var(--primary-deep);
    color:rgba(255,255,255,.72);
    padding:64px 0 0;
    border-top:4px solid var(--accent);
  }

  .footer .brand{
    color:#fff;
  }

  .footer .brand-text{
    color:#fff;
  }

  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr .8fr .8fr 1fr;
    gap:34px;
    padding-bottom:44px;
  }

  .footer h4{
    color:#fff;
    font-size:1.02rem;
    font-weight:700;
    margin:0 0 1rem;
  }

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

  .footer ul li + li{
    margin-top:8px;
  }

  .footer ul li a:hover{
    color:#F0C678;
  }

  .footer-brand p{
    color:rgba(255,255,255,.62);
    margin:.8rem 0 1rem;
    max-width:330px;
    font-size:.94rem;
  }

  .social{
    display:flex;
    gap:10px;
  }

  .social a{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:36px;
    height:36px;
    background:rgba(255,255,255,.08);
    color:#fff;
    border-radius:10px;
  }

  .social a:hover{
    background:rgba(255,255,255,.2);
    transform:translateY(-2px);
  }

  .footer-contact div{
    display:flex;
    gap:10px;
    margin-bottom:10px;
    font-size:.92rem;
  }

  .footer-contact i{
    color:#F0C678;
    width:20px;
    position:relative;
    top:3px;
  }

  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
    padding:20px 0;
    border-top:1px solid rgba(255,255,255,.1);
    color:rgba(255,255,255,.5);
    font-size:.85rem;
  }

  .footer-bottom .footer-sep{
    color:rgba(255,255,255,.6);
  }

  @keyframes float-up{
    0%{opacity:0; transform:translateY(30px);}
    100%{opacity:1; transform:translateY(0);}
  }

  .reveal{
    animation: float-up .65s ease both;
  }

  /* responsive */
  @media (max-width: 1024px){
    .dock-bar{
      padding-left:16px;
    }
    .brand-text{
      font-size:1.02rem;
    }
    .nav-links a{
      padding:9px 10px;
    }
    .hero-grid{
      gap:30px;
    }
    .category-main{
      grid-template-columns:1fr;
    }
    .side-panel{
      position:static;
      grid-template-columns:repeat(2,1fr);
    }
    .hero-grid{
      grid-template-columns:1fr;
    }
    .hero-copy{
      max-width:760px;
    }
    .hero-sub{
      max-width:700px;
    }
    .proof-grid{
      grid-template-columns:1fr 1fr;
    }
    .proof-item:nth-child(2){
      border-right:0;
    }
    .step-cols{
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .process-title{
      display:block;
    }
    .process-title p{
      margin-top:.8rem;
    }
    .cap-intro{
      grid-template-columns:1fr;
      gap:20px;
    }
    .feature-stage{
      grid-template-columns:1fr;
      gap:14px;
    }
    .cta-grid{
      grid-template-columns:1fr;
      gap:34px;
    }
    .footer-grid{
      grid-template-columns:1fr 1fr;
    }
  }

  @media (max-width: 820px){
    .nav-cta{
      display:none;
    }
    .nav-toggle{
      display:flex;
    }
    .nav-links{
      position:fixed;
      top:80px;
      right:16px;
      left:16px;
      z-index:60;
      background:rgba(255,255,255,.96);
      backdrop-filter:blur(16px);
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow-float);
      padding:24px;
      flex-direction:column;
      align-items:stretch;
      text-align:center;
      margin:0;
      opacity:0;
      visibility:hidden;
      transform:translateY(-14px);
      transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
    }

    .nav-links.is-open{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }

    .nav-links a{
      padding:12px 16px;
    }

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

    .cat-hero{
      background-image:linear-gradient(180deg, rgba(247,243,238,.82), rgba(247,243,238,.94)), url('/assets/images/backpic/back-2.png');
      background-position:top;
    }

    .scene-media{
      position:absolute;
    }

    .category-content{
      padding-block:55px 38px;
    }
    .side-panel{
      grid-template-columns:1fr 1fr;
    }
    .footer-grid{
      grid-template-columns:1fr;
    }
    .process-map{
      padding:20px;
    }
    .step-cols{
      grid-template-columns:repeat(2,1fr);
    }
    .cta-zone{
      padding:50px 0;
    }
  }

  @media (max-width: 560px){
    .container,
    .wrap{
      padding-inline:18px;
    }
    .site-header{
      top:10px;
      margin-top:10px;
      padding-inline:12px;
    }
    .site-header .footer{
      margin:0 -18px;
    }
    .cat-hero{
      padding-top:4.6rem;
    }
    .hero-actions .btn{
      width:100%;
    }
    .hero-points{
      flex-direction:column;
      gap:10px;
    }
    .proof-grid{
      grid-template-columns:1fr;
    }
    .proof-item{
      border-right:0;
      border-left:0;
      padding:8px 0;
    }
    .side-panel{
      grid-template-columns:1fr;
    }
    .experience-title{
      font-size:1.7rem;
    }
    .scene-grid{
      grid-template-columns:1fr;
    }
    .scene-card:first-child{
      grid-row:auto;
      min-height:280px;
    }
    .scene-card:nth-child(2){
      min-height:240px;
    }
    .step-cols{
      grid-template-columns:1fr;
    }
    .form-grid{
      grid-template-columns:1fr;
    }
    .cta-grid{
      gap:24px;
    }
    .lead-form{
      padding:22px 16px;
    }
    .feature-stage{
      padding-top:22px;
    }
    .faq-answer{
      padding:0 18px 20px 20px;
    }
    .faq-item summary{
      padding:16px 14px;
    }
    .section-pad{
      padding-block:54px;
    }
    .footer-bottom{
      flex-direction:column;
      align-items:flex-start;
      row-gap:8px;
    }
  }