/* roulang page: index */
:root {
            --bg-deep: #0A0E1A;
            --bg-surface: #0D1425;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --bg-glass: rgba(10, 15, 25, 0.6);
            --bg-nav: rgba(10, 14, 26, 0.85);
            --text-primary: #FFFFFF;
            --text-secondary: #B0C4DE;
            --text-body: #E0E6ED;
            --text-muted: #6B7B8D;
            --accent-cyan: #00F0FF;
            --accent-purple: #A855F7;
            --accent-cyan-glow: rgba(0, 240, 255, 0.5);
            --accent-purple-glow: rgba(168, 85, 247, 0.5);
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-highlight: rgba(0, 240, 255, 0.3);
            --success: #10B981;
            --warning: #F59E0B;
            --error: #EF4444;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 8px;
            --radius-tag: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 12px 40px rgba(0, 240, 255, 0.15);
            --shadow-btn: 0 0 20px rgba(0, 240, 255, 0.5);
            --shadow-btn-hover: 0 0 30px rgba(0, 240, 255, 0.8);
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --section-gap: 120px;
            --section-gap-mobile: 64px;
            --module-gap: 40px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                radial-gradient(ellipse at 50% 0%, rgba(0, 240, 255, 0.04) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 60%, rgba(0, 240, 255, 0.02) 0%, transparent 50%);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-nav);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.3);
            transition: all 0.3s;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: color 0.3s;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-cyan);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: #fff;
            box-shadow: var(--shadow-btn);
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: scale(1.04);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            padding: 8px;
            background: none;
            border: none;
        }

        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s;
        }

        .nav-hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-inner {
                padding: 0 16px;
                height: 56px;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
                border-radius: 8px;
            }
            .mobile-menu {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(10, 14, 26, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                z-index: 999;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 28px;
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.35s;
            }
            .mobile-menu.open {
                opacity: 1;
                pointer-events: all;
            }
            .mobile-menu a {
                font-size: 1.25rem;
                font-weight: 700;
                color: var(--text-secondary);
                transition: color 0.3s;
            }
            .mobile-menu a:hover {
                color: var(--accent-cyan);
            }
            .mobile-menu .btn-nav-cta {
                font-size: 1rem;
                padding: 14px 32px;
                margin-top: 8px;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ========== HERO (知识付费风格) ========== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: 80px;
            padding-bottom: 60px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                radial-gradient(ellipse at 30% 20%, rgba(0, 240, 255, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(0, 240, 255, 0.03) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 24px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-cyan);
            width: fit-content;
            letter-spacing: 0.02em;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan-glow);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 8px var(--accent-cyan-glow);
            }
            50% {
                box-shadow: 0 0 18px var(--accent-cyan-glow), 0 0 30px rgba(0, 240, 255, 0.3);
            }
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 520px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1;
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
        }

        .hero-stat .label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 34px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: #fff;
            box-shadow: var(--shadow-btn);
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: scale(1.05);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 34px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            background: transparent;
            color: var(--accent-cyan);
            border: 2px solid var(--accent-cyan);
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
        }

        .hero-right {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-card-visual {
            width: 100%;
            max-width: 480px;
            aspect-ratio: 4/3;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card), 0 0 40px rgba(0, 240, 255, 0.08);
            position: relative;
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .hero-card-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .hero-card-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-card);
            background: linear-gradient(180deg, transparent 50%, rgba(10, 14, 26, 0.6) 100%);
            pointer-events: none;
        }

        .hero-card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
        }

        .hero-scroll-hint {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            font-size: 0.7rem;
            letter-spacing: 0.05em;
            animation: float-down 2s ease-in-out infinite;
        }

        .hero-scroll-hint .arrow {
            width: 20px;
            height: 20px;
            border-right: 2px solid var(--text-muted);
            border-bottom: 2px solid var(--text-muted);
            transform: rotate(45deg);
        }

        @keyframes float-down {
            0%,
            100% {
                opacity: 0.5;
                transform: translateX(-50%) translateY(0);
            }
            50% {
                opacity: 1;
                transform: translateX(-50%) translateY(8px);
            }
        }

        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-left {
                align-items: center;
                text-align: center;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-card-visual {
                max-width: 380px;
                margin: 0 auto;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-badge {
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding-top: 70px;
                padding-bottom: 40px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 1.75rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat .num {
                font-size: 1.5rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 13px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-card-visual {
                max-width: 300px;
                aspect-ratio: 16/10;
            }
            .hero-scroll-hint {
                display: none;
            }
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        @media (max-width: 768px) {
            section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
            box-shadow: 0 0 6px var(--accent-cyan-glow);
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-desc {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
        }

        /* ========== BRAND STORY ========== */
        .brand-story .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .brand-story-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .brand-story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .brand-story-text {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .brand-story-text p {
            color: var(--text-body);
            line-height: 1.9;
            font-size: 0.95rem;
        }

        .brand-story-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 8px;
        }

        .brand-highlight-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 24px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .brand-highlight-item .icon-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan-glow);
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .brand-story .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .brand-story-image {
                max-width: 480px;
                margin: 0 auto;
            }
        }

        /* ========== FEATURED CARDS ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .featured-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.35s;
            cursor: pointer;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
        }

        .featured-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.4), transparent);
            opacity: 0;
            transition: opacity 0.35s;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
            border-color: rgba(0, 240, 255, 0.25);
        }

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

        .featured-card-img {
            width: 100px;
            height: 100px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border-glass);
        }

        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-card-content {
            flex: 1;
            min-width: 0;
        }

        .featured-card-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .featured-card-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .featured-card-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-card {
                flex-direction: column;
                padding: 20px;
            }
            .featured-card-img {
                width: 100%;
                height: 160px;
                border-radius: 10px;
            }
        }

        /* ========== SELLING POINTS (卖点三连) ========== */
        .selling-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .selling-point-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.35s;
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .selling-point-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(0, 240, 255, 0.2);
        }

        .selling-point-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.12);
        }

        .selling-point-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .selling-point-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .selling-points-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .selling-point-card {
                padding: 24px 20px;
            }
        }

        /* ========== TESTIMONIALS (口碑气泡) ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: all 0.35s;
        }

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 12px;
            left: 20px;
            font-size: 3rem;
            color: rgba(0, 240, 255, 0.2);
            font-family: serif;
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 240, 255, 0.2);
        }

        .testimonial-card .quote {
            font-style: italic;
            color: var(--text-body);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 16px;
            padding-top: 8px;
        }

        .testimonial-card .author-row {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-info .name {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.85rem;
        }

        .testimonial-card .author-info .date {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-card {
                padding: 22px 18px;
            }
        }

        /* ========== PRICE TIER (优惠阶梯) ========== */
        .price-tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .price-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.35s;
            position: relative;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .price-card.featured {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.2), var(--shadow-card);
            transform: scale(1.03);
            z-index: 1;
        }

        .price-card.featured .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            padding: 5px 16px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.4);
        }

        .price-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 240, 255, 0.25);
        }

        .price-card.featured:hover {
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.3), var(--shadow-card);
        }

        .price-card .tier-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .price-card .tier-price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin: 12px 0;
            text-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
        }

        .price-card .tier-price .unit {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .price-card .tier-features {
            list-style: none;
            text-align: left;
            margin: 16px 0 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .price-card .tier-features li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding-left: 20px;
            position: relative;
            line-height: 1.5;
        }

        .price-card .tier-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.75rem;
        }

        .price-card .btn-tier {
            display: block;
            width: 100%;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.9rem;
            text-align: center;
            transition: all 0.3s;
            cursor: pointer;
        }

        .price-card .btn-tier.primary-tier {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .price-card .btn-tier.primary-tier:hover {
            box-shadow: var(--shadow-btn-hover);
        }

        .price-card .btn-tier.secondary-tier {
            background: transparent;
            color: var(--accent-cyan);
            border: 2px solid var(--accent-cyan);
        }

        .price-card .btn-tier.secondary-tier:hover {
            background: rgba(0, 240, 255, 0.08);
        }

        @media (max-width: 1024px) {
            .price-tier-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
                gap: 20px;
            }
            .price-card.featured {
                transform: none;
            }
        }

        /* ========== NEWS / INFO ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-list-item {
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s;
            cursor: pointer;
        }

        .news-list-item:hover {
            padding-left: 8px;
            border-bottom-color: rgba(0, 240, 255, 0.2);
        }

        .news-list-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            transition: color 0.3s;
        }

        .news-list-item:hover h4 {
            color: var(--accent-cyan);
        }

        .news-list-item .meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s;
            cursor: pointer;
        }

        .news-sidebar-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 240, 255, 0.2);
        }

        .news-sidebar-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        .news-sidebar-card .card-body {
            padding: 14px 16px;
        }

        .news-sidebar-card .card-body h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .news-sidebar-card .card-body .meta {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-sidebar {
                flex-direction: row;
                overflow-x: auto;
                gap: 12px;
                padding-bottom: 8px;
            }
            .news-sidebar-card {
                min-width: 200px;
                flex-shrink: 0;
            }
            .news-sidebar-card img {
                height: 100px;
            }
        }

        /* ========== MILESTONE ========== */
        .milestone-track {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 16px;
            position: relative;
            padding-top: 20px;
        }

        .milestone-track::before {
            content: '';
            position: absolute;
            top: 34px;
            left: 30px;
            right: 30px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-cyan));
            opacity: 0.4;
            border-radius: 1px;
        }

        .milestone-node {
            text-align: center;
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .milestone-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent-cyan);
            margin: 0 auto 12px;
            box-shadow: 0 0 16px var(--accent-cyan-glow);
            border: 3px solid var(--bg-deep);
        }

        .milestone-node .year {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }

        .milestone-node .desc {
            font-size: 0.78rem;
            color: var(--text-secondary);
            line-height: 1.5;
            max-width: 140px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .milestone-track {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
                padding-left: 32px;
            }
            .milestone-track::before {
                top: 8px;
                left: 8px;
                right: auto;
                bottom: 8px;
                width: 2px;
                height: auto;
            }
            .milestone-node {
                text-align: left;
                display: flex;
                align-items: center;
                gap: 14px;
            }
            .milestone-dot {
                margin: 0;
                flex-shrink: 0;
            }
            .milestone-node .desc {
                max-width: 100%;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: all 0.3s;
        }

        .faq-item.open {
            border-color: rgba(0, 240, 255, 0.25);
            background: rgba(0, 240, 255, 0.04);
        }

        .faq-question {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: color 0.3s;
            user-select: none;
        }

        .faq-question:hover {
            color: var(--accent-cyan);
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            position: relative;
            transition: transform 0.3s;
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--accent-cyan);
            border-radius: 1px;
            transition: all 0.3s;
        }

        .faq-question .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-question .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-item.open .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 20px;
            color: var(--text-body);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-section {
            background: rgba(0, 240, 255, 0.03);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .subscribe-inner {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .subscribe-inner h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .subscribe-inner p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            padding: 14px 18px;
            border-radius: var(--radius-input);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            color: #fff;
            font-size: 0.9rem;
            transition: all 0.3s;
        }

        .subscribe-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.2);
            outline: none;
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form button {
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn);
            transition: all 0.3s;
            white-space: nowrap;
            cursor: pointer;
        }

        .subscribe-form button:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: scale(1.03);
        }

        @media (max-width: 768px) {
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
            }
            .subscribe-inner h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #060A12;
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col p,
        .footer-col a {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 2;
            display: block;
            transition: color 0.3s;
        }

        .footer-col a:hover {
            color: var(--accent-cyan);
        }

        .footer-logo-text {
            font-family: var(--font-title);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .footer-social-icons {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }

        .footer-social-icons .soc-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: all 0.3s;
            cursor: pointer;
        }

        .footer-social-icons .soc-icon:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-bottom span {
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== UTILITY ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== ACCESSIBILITY ========== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }