:root {
            --primary: #229AF4;
            --accent-1: #898EFF;
            --accent-2: #5E7DF9;
            --purple: #7C3AED;
            --cyan: #06D6A0;
            --text-title: #233863;
            --text-sub: #6D7B96;
            --text-body: #4A4A4A;
            --bg-white: #ffffff;
            --bg-alt: #F5F7FA;
            --border: #E8EDF5;
            --glow-purple: rgba(124, 58, 237, 0.15);
            --glow-blue: rgba(94, 125, 249, 0.12);
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--text-body);
            background: var(--bg-white);
            overflow-x: hidden;
        }

        .container-main {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 180px 0 120px;
            text-align: center;
            overflow: hidden;
            background: linear-gradient(180deg, #F8F6FF 0%, #ffffff 60%, var(--bg-alt) 100%);
        }

        /* Animated gradient orbs */
        .hero-orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            animation: orbFloat 12s ease-in-out infinite;
            pointer-events: none;
        }

        .hero-orb--1 {
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(137, 142, 255, 0.25) 0%, transparent 70%);
            top: -10%;
            left: -5%;
            animation-delay: 0s;
        }

        .hero-orb--2 {
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.18) 0%, transparent 70%);
            top: 10%;
            right: -8%;
            animation-delay: -4s;
        }

        .hero-orb--3 {
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(6, 214, 160, 0.12) 0%, transparent 70%);
            bottom: 0;
            left: 30%;
            animation-delay: -8s;
        }

        @keyframes orbFloat {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(30px, -20px) scale(1.05); }
            66% { transform: translate(-20px, 15px) scale(0.95); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(137, 142, 255, 0.08);
            border: 1px solid rgba(137, 142, 255, 0.2);
            border-radius: 100px;
            font-size: 14px;
            color: var(--accent-2);
            font-weight: 500;
            margin-bottom: 32px;
            animation: fadeSlideUp 0.8s ease both;
        }

        .hero-chip::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-2);
            border-radius: 50%;
            animation: chipPulse 2s infinite;
        }

        @keyframes chipPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .hero-title {
            font-size: 56px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.25;
            margin-bottom: 24px;
            animation: fadeSlideUp 0.8s 0.15s ease both;
        }

        .hero-title em {
            font-style: normal;
            background: linear-gradient(135deg, var(--accent-1), var(--purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 24px;
            color: var(--text-sub);
            max-width: 680px;
            margin: 0 auto 44px;
            font-weight: 400;
            line-height: 1.7;
            animation: fadeSlideUp 0.8s 0.3s ease both;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            animation: fadeSlideUp 0.8s 0.45s ease both;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 52px;
            padding: 0 32px;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: #fff;
            border: none;
            border-radius: 14px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            position: relative;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 4px 20px rgba(137, 142, 255, 0.3);
        }

        .btn-glow:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 40px rgba(137, 142, 255, 0.5);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 52px;
            padding: 0 32px;
            background: transparent;
            color: var(--text-title);
            border: 1.5px solid var(--border);
            border-radius: 14px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            border-color: var(--accent-2);
            color: var(--accent-2);
            background: rgba(94, 125, 249, 0.04);
            transform: translateY(-2px);
        }

        /* Hero floating cards */
        .hero-float-group {
            position: absolute;
            top: 32%;
            transform: translateY(-50%);
            display: flex;
            flex-direction: column;
            gap: 24px;
            z-index: 2;
            pointer-events: none;
        }

        .hero-float-left { left: 10%; align-items: flex-end; }
        .hero-float-right { right: 10%; align-items: flex-start; }

        .hero-fcard {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-radius: 16px;
            padding: 16px 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0,0,0,0.03);
            border: 1px solid rgba(137, 142, 255, 0.1);
            animation: heroCardFloat 6s ease-in-out infinite;
            pointer-events: auto;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .hero-fcard:hover {
            box-shadow: 0 16px 48px rgba(137, 142, 255, 0.15);
        }

        /* Offset, rotation & stagger for natural feel */
        .hf-card-1 {
            transform: rotate(-3deg) translateX(10px);
            animation-delay: 0s;
        }
        .hf-card-2 {
            transform: rotate(2deg) translateX(-8px);
            animation-delay: -2.5s;
        }
        .hf-card-4 {
            transform: rotate(2.5deg) translateX(-12px);
            animation-delay: -1.5s;
        }
        .hf-card-6 {
            transform: rotate(-2deg) translateX(6px);
            animation-delay: -4s;
        }

        @keyframes heroCardFloat {
            0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
            50% { transform: translateY(-10px) rotate(var(--r, 0deg)); }
        }

        .hf-card-1 { --r: -3deg; }
        .hf-card-2 { --r: 2deg; }
        .hf-card-4 { --r: 2.5deg; }
        .hf-card-6 { --r: -2deg; }

        /* Card 1: OneID stats */
        .hf-card-1 { display: flex; gap: 14px; align-items: center; }
        .hf-card-1 .hf-card-icon {
            width: 40px; height: 40px; border-radius: 10px;
            display: flex; align-items: center; justify-content: center;
            font-size: 16px; flex-shrink: 0;
        }
        .hf-card-body .hf-card-label { font-size: 11px; color: var(--text-sub); margin-bottom: 4px; }
        .hf-card-body .hf-card-value { font-size: 18px; font-weight: 700; color: var(--text-title); margin-bottom: 6px; }
        .hf-card-bar { height: 4px; background: #E8EDF5; border-radius: 2px; width: 100px; }
        .hf-card-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent-1), var(--accent-2)); border-radius: 2px; }

        /* Card 2: Badge style */
        .hf-card-2 .hf-card-badge {
            display: inline-block; padding: 4px 10px; border-radius: 6px;
            background: rgba(16, 185, 129, 0.1); color: #10B981;
            font-size: 14px; font-weight: 800; margin-bottom: 8px;
        }
        .hf-card-title { font-size: 14px; font-weight: 600; color: var(--text-title); margin-bottom: 2px; }
        .hf-card-desc { font-size: 11px; color: var(--text-sub); }

        /* Card 3: Avatar row */
        .hf-card-row { display: flex; align-items: center; gap: 12px; }
        .hf-card-avatar {
            width: 36px; height: 36px; border-radius: 50%; background: #1a1a2e;
            display: flex; align-items: center; justify-content: center; font-size: 16px;
        }
        .hf-card-name { font-size: 13px; font-weight: 600; color: var(--text-title); }
        .hf-card-status { font-size: 11px; color: #10B981; font-weight: 500; }

        /* Card 4: Big value */
        .hf-card-4 .hf-card-top-label {
            display: inline-block; padding: 3px 10px; border-radius: 20px;
            background: rgba(137, 142, 255, 0.1); color: var(--accent-2);
            font-size: 11px; font-weight: 600; margin-bottom: 10px;
        }
        .hf-card-big-value { font-size: 28px; font-weight: 800; color: var(--text-title); line-height: 1; margin-bottom: 4px; }
        .hf-card-sub { font-size: 11px; color: var(--text-sub); }

        /* Card 5: Mini cards row */
        .hf-card-5 .hf-card-row { gap: 10px; }
        .hf-card-mini {
            padding: 12px 14px; border-radius: 12px; min-width: 100px;
        }
        .hf-mini-icon { font-size: 14px; margin-bottom: 6px; }
        .hf-mini-label { font-size: 10px; color: inherit; opacity: 0.6; margin-bottom: 2px; }
        .hf-mini-val { font-size: 14px; font-weight: 700; }

        /* Card 6: Tag style */
        .hf-card-6 .hf-card-tag {
            display: inline-block; padding: 3px 10px; border-radius: 20px;
            background: rgba(6, 214, 160, 0.1); color: var(--cyan);
            font-size: 11px; font-weight: 600; margin-bottom: 8px;
        }

        /* Hero trust points */
        .hero-trust-points {
            display: flex; justify-content: center; gap: 24px; flex-wrap: wrap;
            margin-bottom: 32px; animation: fadeSlideUp 0.8s 0.4s ease both;
        }
        .hero-trust-item {
            display: flex; align-items: center; gap: 6px;
            font-size: 13px; color: var(--text-sub); font-weight: 500;
        }

        @keyframes fadeSlideUp {
            from { opacity: 0; transform: translateY(32px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Hero dashboard panel */
        .hero-dashboard-wrap {
            margin-top: 56px;
            max-width: 960px;
            margin-left: auto;
            margin-right: auto;
            animation: fadeSlideUp 1s 0.6s ease both;
        }

        .hero-dashboard {
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(94, 125, 249, 0.1), 0 1px 3px rgba(0,0,0,0.04);
            border: 1px solid rgba(137, 142, 255, 0.12);
            overflow: hidden;
        }

        .hero-dash-top {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            border-bottom: 1px solid var(--border);
            background: linear-gradient(180deg, #FAFBFF 0%, #fff 100%);
        }

        .hero-dash-dot { width: 10px; height: 10px; border-radius: 50%; }
        .hero-dash-dot:nth-child(1) { background: #FF5F57; }
        .hero-dash-dot:nth-child(2) { background: #FEBC2E; }
        .hero-dash-dot:nth-child(3) { background: #28C840; }

        .hero-dash-title {
            margin-left: auto;
            font-size: 12px;
            color: var(--text-sub);
            font-weight: 500;
        }

        .hero-dash-body {
            padding: 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .hero-stat-card {
            background: var(--bg-alt);
            border-radius: 16px;
            padding: 28px 20px;
            text-align: center;
            border: 1px solid rgba(137, 142, 255, 0.06);
            transition: all 0.3s ease;
        }

        .hero-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(137, 142, 255, 0.1);
        }

        .hero-stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(137, 142, 255, 0.25);
        }

        .hero-stat-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-sub);
        }

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

        .hero-dash-kpi {
            padding: 18px 20px;
            text-align: center;
            border-right: 1px solid var(--border);
        }

        .hero-dash-kpi:last-child { border-right: none; }

        .hero-dash-kpi .kpi-val {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-1), var(--purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-dash-kpi .kpi-label {
            font-size: 12px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        @media (max-width: 1200px) {
            .hero-float-group { display: none; }
        }

        @media (max-width: 768px) {
            .hero-dash-body { grid-template-columns: repeat(2, 1fr); }
            .hero-dash-bottom { grid-template-columns: repeat(2, 1fr); }
            .hero-dash-kpi:nth-child(2) { border-right: none; }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 100px 0;
            position: relative;
        }

        .section--alt {
            background: var(--bg-alt);
        }

        .section-head {
            text-align: center;
            margin-bottom: 64px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(137, 142, 255, 0.08);
            border: 1px solid rgba(137, 142, 255, 0.15);
            border-radius: 100px;
            font-size: 13px;
            color: var(--accent-2);
            font-weight: 500;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 40px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .section-title em {
            font-style: normal;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-desc {
            font-size: 24px;
            color: var(--text-sub);
            max-width: 640px;
            margin: 0 auto;
            font-weight: 400;
        }

        /* ========== POSITIONING (Two-column with illustration) ========== */
        .pos-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .pos-text h2 {
            font-size: 36px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 24px;
            line-height: 1.4;
        }

        .pos-text h2 em {
            font-style: normal;
            background: linear-gradient(135deg, var(--accent-1), var(--purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .pos-text p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .pos-graphic {
            position: relative;
        }

        .pos-orbit {
            width: 100%;
            aspect-ratio: 1;
            position: relative;
            max-width: 440px;
            margin: 0 auto;
        }

        .pos-orbit-ring {
            position: absolute;
            inset: 0;
            border-radius: 50%;
            border: 1.5px dashed rgba(137, 142, 255, 0.25);
            animation: ringRotate 30s linear infinite;
        }

        .pos-orbit-ring:nth-child(2) {
            inset: 15%;
            border-color: rgba(124, 58, 237, 0.2);
            animation-duration: 20s;
            animation-direction: reverse;
        }

        .pos-orbit-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 120px;
            height: 120px;
            background: linear-gradient(135deg, var(--accent-1), var(--purple));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 60px rgba(137, 142, 255, 0.3);
        }

        .pos-orbit-center span {
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            text-align: center;
            line-height: 1.3;
        }

        .pos-node {
            position: absolute;
            width: 72px;
            height: 72px;
            background: #fff;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            border: 1px solid var(--border);
            font-size: 11px;
            color: var(--text-sub);
            text-align: center;
            gap: 4px;
        }

        .pos-node .pn-icon { font-size: 20px; }
        .pos-node--1 { top: 5%; left: 50%; transform: translateX(-50%); }
        .pos-node--2 { top: 30%; right: 2%; }
        .pos-node--3 { bottom: 30%; right: 2%; }
        .pos-node--4 { bottom: 5%; left: 50%; transform: translateX(-50%); }
        .pos-node--5 { bottom: 30%; left: 2%; }
        .pos-node--6 { top: 30%; left: 2%; }

        /* ========== ADVANTAGES (Glow border cards) ========== */
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .adv-card {
            position: relative;
            border-radius: 20px;
            padding: 36px 28px;
            background: #fff;
            border: 1px solid var(--border);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: hidden;
        }

        .adv-card::before {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: 20px;
            padding: 1.5px;
            background: linear-gradient(135deg, var(--accent-1), var(--purple), var(--cyan));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .adv-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 48px rgba(137, 142, 255, 0.12);
            border-color: transparent;
        }

        .adv-card:hover::before {
            opacity: 1;
        }

        .adv-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(137, 142, 255, 0.1), rgba(124, 58, 237, 0.06));
        }

        .adv-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .adv-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ========== ARCHITECTURE (Horizontal flow) ========== */
        .arch-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
        }

        .arch-flow::before {
            content: '';
            position: absolute;
            top: 56px;
            left: 12.5%;
            right: 12.5%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-1), var(--purple), var(--cyan), var(--accent-2));
            border-radius: 1px;
            z-index: 0;
        }

        .arch-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .arch-dot {
            width: 40px;
            height: 40px;
            margin: 0 auto 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 4px 16px rgba(137, 142, 255, 0.35);
            position: relative;
        }

        .arch-dot::after {
            content: '';
            position: absolute;
            inset: -5px;
            border-radius: 50%;
            border: 2px solid rgba(137, 142, 255, 0.2);
            animation: archPulse 3s ease-in-out infinite;
        }

        @keyframes archPulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.2); opacity: 0; }
        }

        .arch-item h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 12px;
        }

        .arch-item p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            max-width: 220px;
            margin: 0 auto 16px;
        }

        .arch-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px;
        }

        .arch-tag {
            padding: 4px 10px;
            font-size: 11px;
            color: var(--accent-2);
            background: rgba(94, 125, 249, 0.06);
            border: 1px solid rgba(94, 125, 249, 0.12);
            border-radius: 6px;
        }

        /* ========== SCENARIOS (Accordion) ========== */
        .scene-accordion {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .scene-acc-item {
            border-radius: 20px;
            border: 1px solid var(--border);
            background: #fff;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .scene-acc-item:hover {
            border-color: rgba(137, 142, 255, 0.25);
            box-shadow: 0 8px 32px rgba(137, 142, 255, 0.06);
        }

        .scene-acc-item.active {
            border-color: rgba(137, 142, 255, 0.3);
            box-shadow: 0 12px 40px rgba(137, 142, 255, 0.1);
        }

        .scene-acc-header {
            display: flex;
            align-items: center;
            padding: 24px 32px;
            cursor: pointer;
            gap: 20px;
            transition: background 0.3s ease;
        }

        .scene-acc-item.active .scene-acc-header {
            background: linear-gradient(135deg, rgba(137, 142, 255, 0.04), rgba(94, 125, 249, 0.02));
        }

        .scene-acc-num {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(137, 142, 255, 0.25);
        }

        .scene-acc-info {
            flex: 1;
        }

        .scene-acc-info h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 4px;
        }

        .scene-acc-info .scene-acc-tag {
            font-size: 13px;
            color: var(--text-sub);
        }

        .scene-acc-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .scene-acc-arrow svg {
            width: 16px;
            height: 16px;
            stroke: var(--text-sub);
            transition: transform 0.3s ease;
        }

        .scene-acc-item.active .scene-acc-arrow {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
        }

        .scene-acc-item.active .scene-acc-arrow svg {
            stroke: #fff;
            transform: rotate(180deg);
        }

        .scene-acc-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
            padding: 0 32px;
        }

        .scene-acc-item.active .scene-acc-body {
            max-height: 600px;
            padding: 0 32px 32px;
        }

        .scene-acc-content {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .scene-acc-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .scene-acc-col h4 .col-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
        }

        .scene-acc-col h4 .col-dot--red { background: #EF4444; }
        .scene-acc-col h4 .col-dot--blue { background: var(--accent-2); }
        .scene-acc-col h4 .col-dot--green { background: var(--cyan); }

        .scene-acc-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .scene-acc-col ul li {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            padding-left: 14px;
            position: relative;
        }

        .scene-acc-col ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--border);
        }

        .scene-acc-col.scene-acc-value {
            background: linear-gradient(135deg, #F8F6FF 0%, #F0F7FF 100%);
            border-radius: 16px;
            padding: 20px;
            border: 1px solid rgba(137, 142, 255, 0.08);
        }

        .scene-acc-value p {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-2);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .scene-acc-content {
                grid-template-columns: 1fr;
            }
            .scene-acc-header {
                padding: 20px 20px;
            }
            .scene-acc-body {
                padding: 0 20px;
            }
            .scene-acc-item.active .scene-acc-body {
                padding: 0 20px 24px;
            }
        }

        /* ========== SCENE BG EFFECTS ========== */
        .section--scene-bg {
            position: relative;
            overflow: hidden;
        }

        .section--scene-bg::before {
            content: '';
            position: absolute;
            top: 10%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(137, 142, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            animation: sceneBgFloat 15s ease-in-out infinite;
            pointer-events: none;
        }

        .section--scene-bg::after {
            content: '';
            position: absolute;
            bottom: 5%;
            right: -3%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(6, 214, 160, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            animation: sceneBgFloat 12s ease-in-out infinite reverse;
            pointer-events: none;
        }

        @keyframes sceneBgFloat {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(20px, -15px) scale(1.08); }
        }

        .scene-bg-grid {
            position: absolute;
            inset: 0;
            pointer-events: none;
            overflow: hidden;
            opacity: 0.4;
        }

        .scene-bg-line {
            position: absolute;
            background: linear-gradient(180deg, transparent, rgba(137, 142, 255, 0.08), transparent);
            width: 1px;
            height: 100%;
            animation: lineMove 8s linear infinite;
        }

        .scene-bg-line:nth-child(1) { left: 10%; animation-delay: 0s; }
        .scene-bg-line:nth-child(2) { left: 25%; animation-delay: -2s; }
        .scene-bg-line:nth-child(3) { left: 50%; animation-delay: -4s; }
        .scene-bg-line:nth-child(4) { left: 75%; animation-delay: -6s; }
        .scene-bg-line:nth-child(5) { left: 90%; animation-delay: -1s; }

        @keyframes lineMove {
            0% { transform: translateY(-100%); opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { transform: translateY(100%); opacity: 0; }
        }

        .scene-bg-dot {
            position: absolute;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent-1);
            opacity: 0;
            animation: dotBlink 4s ease-in-out infinite;
        }

        .scene-bg-dot:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; }
        .scene-bg-dot:nth-child(2) { top: 40%; right: 12%; animation-delay: 1s; }
        .scene-bg-dot:nth-child(3) { bottom: 30%; left: 15%; animation-delay: 2s; }
        .scene-bg-dot:nth-child(4) { top: 25%; right: 25%; animation-delay: 3s; }
        .scene-bg-dot:nth-child(5) { bottom: 15%; right: 8%; animation-delay: 0.5s; }
        .scene-bg-dot:nth-child(6) { top: 60%; left: 5%; animation-delay: 1.5s; }

        @keyframes dotBlink {
            0%, 100% { opacity: 0; transform: scale(0.5); }
            50% { opacity: 0.7; transform: scale(1.5); }
        }

        /* ========== CASES (Card slider style) ========== */
        .cases-stack {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .case-item {
            display: grid;
            grid-template-columns: 380px 1fr;
            border-radius: 24px;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: 0 4px 24px rgba(0,0,0,0.04);
            transition: all 0.4s ease;
        }

        .case-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(137, 142, 255, 0.1);
        }

        .case-aside {
            background: linear-gradient(160deg, var(--accent-1) 0%, var(--purple) 100%);
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .case-aside::before {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.06);
            border-radius: 50%;
            top: -40px;
            right: -40px;
        }

        .case-aside .ca-label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 12px;
        }

        .case-aside .ca-name {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .case-aside .ca-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.8);
            line-height: 1.7;
        }

        .case-main {
            padding: 40px;
        }

        .case-main h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 12px;
            padding-left: 14px;
            border-left: 3px solid var(--accent-2);
        }

        .case-main ul {
            list-style: none;
            margin-bottom: 24px;
        }

        .case-main ul li {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            padding-left: 16px;
            position: relative;
            margin-bottom: 6px;
        }

        .case-main ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent-2);
            opacity: 0.5;
        }

        .case-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .case-metric {
            text-align: center;
            padding: 14px;
            background: var(--bg-alt);
            border-radius: 12px;
        }

        .case-metric .cm-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-2);
            margin-bottom: 4px;
        }

        .case-metric .cm-label {
            font-size: 12px;
            color: var(--text-sub);
        }

        /* ========== SCROLL ANIMATIONS ========== */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
        .reveal-delay-4 { transition-delay: 0.4s; }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title { font-size: 38px; }
            .pos-layout { grid-template-columns: 1fr; gap: 48px; }
            .adv-grid { grid-template-columns: repeat(2, 1fr); }
            .arch-flow { grid-template-columns: repeat(2, 1fr); gap: 40px; }
            .arch-flow::before { display: none; }
            .scene-panel.active { grid-template-columns: 1fr; }
            .scene-acc-content { grid-template-columns: 1fr; }
            .case-item { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .hero-section { padding: 130px 0 80px; }
            .hero-title { font-size: 28px; }
            .hero-subtitle { font-size: 16px; }
            .section { padding: 60px 0; }
            .section-title { font-size: 26px; }
            .section-desc { font-size: 16px; }
            .adv-grid { grid-template-columns: 1fr; }
            .arch-flow { grid-template-columns: 1fr; }
            .case-metrics { grid-template-columns: 1fr; }
            .hero-dash-body { grid-template-columns: 1fr; }
            .hero-dash-bottom { grid-template-columns: repeat(2, 1fr); }
            .hero-actions { flex-direction: column; align-items: center; }
            .pos-orbit { max-width: 280px; }
        }