/* roulang page: index */
:root {
            --primary: #ff3b30;
            --primary-dark: #d63029;
            --primary-glow: rgba(255, 59, 48, 0.35);
            --secondary: #ff6b35;
            --accent: #f59e0b;
            --accent-glow: rgba(245, 158, 11, 0.3);
            --bg-deep: #06060f;
            --bg-dark: #0a0a16;
            --bg-card: #111128;
            --bg-surface: #181830;
            --bg-elevated: #1e1e3a;
            --text-primary: #f0f0f5;
            --text-secondary: #c0c0d0;
            --text-muted: #7a7a95;
            --text-dim: #555570;
            --border: #252542;
            --border-light: #303055;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 30px var(--primary-glow);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1260px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            background-image:
                radial-gradient(ellipse at 50% 0%, rgba(255, 59, 48, 0.06) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 20%, rgba(245, 158, 11, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 60%, rgba(255, 107, 53, 0.03) 0%, transparent 55%);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ────────────────── HEADER / NAV ────────────────── */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 10, 22, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header.scrolled {
            background: rgba(8, 8, 18, 0.94);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            white-space: nowrap;
            z-index: 1001;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 18px var(--primary-glow);
        }
        .logo-text {
            background: linear-gradient(135deg, #fff, #e0e0f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: 25px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.nav-cta {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: 25px;
            box-shadow: 0 0 16px var(--primary-glow);
            margin-left: 4px;
        }
        .nav-links a.nav-cta:hover {
            background: #ff5045;
            box-shadow: 0 0 24px rgba(255, 59, 48, 0.5);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            padding: 8px;
            background: none;
            border: none;
            width: 40px;
            height: 32px;
            justify-content: center;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: #fff;
            border-radius: 3px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(6, 6, 15, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 40px;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 14px 28px;
            color: var(--text-primary);
            border-radius: 30px;
            transition: all var(--transition-fast);
            width: 100%;
            max-width: 300px;
            text-align: center;
        }
        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-menu a.mobile-nav-cta {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 0 20px var(--primary-glow);
            margin-top: 12px;
        }

        /* ────────────────── HERO ────────────────── */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 28px 80px;
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 6, 15, 0.78) 0%, rgba(10, 10, 22, 0.88) 40%, rgba(6, 6, 15, 0.95) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 30% 25%, rgba(255, 59, 48, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
            z-index: 2;
            animation: heroGlow 6s ease-in-out infinite alternate;
        }
        @keyframes heroGlow {
            0% {
                opacity: 0.7;
            }
            100% {
                opacity: 1;
            }
        }
        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 780px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 59, 48, 0.15);
            border: 1px solid rgba(255, 59, 48, 0.3);
            border-radius: 30px;
            padding: 6px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            color: #ff6b5e;
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }
        .hero-badge .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #ff3b30;
            animation: pulseDot 1.2s ease-in-out infinite;
            box-shadow: 0 0 10px rgba(255, 59, 48, 0.7);
        }
        @keyframes pulseDot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.8);
            }
        }
        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, #ff3b30, #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.7;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: none;
            text-decoration: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, #ff3b30, #e6322a);
            color: #fff;
            box-shadow: 0 4px 22px rgba(255, 59, 48, 0.4);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #ff5045, #f03b30);
            box-shadow: 0 6px 30px rgba(255, 59, 48, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.28);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #1a1a00;
            box-shadow: 0 4px 18px var(--accent-glow);
            font-weight: 700;
        }
        .btn-accent:hover {
            background: #fbbf24;
            box-shadow: 0 6px 26px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
            color: #1a1a00;
        }

        /* ────────────────── SECTIONS ────────────────── */
        .section {
            padding: 90px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.7rem, 3.5vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ────────────────── FEATURES ────────────────── */
        #features {
            background: var(--bg-dark);
            position: relative;
        }
        #features::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 59, 48, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .feature-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            background: var(--bg-surface);
        }
        .feature-card .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: rgba(255, 59, 48, 0.12);
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
        }
        .feature-card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.65;
            position: relative;
            z-index: 1;
        }
        .feature-card .feature-img {
            border-radius: var(--radius);
            overflow: hidden;
            margin-top: 4px;
            position: relative;
            z-index: 1;
        }
        .feature-card .feature-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius);
            transition: transform var(--transition-slow);
        }
        .feature-card:hover .feature-img img {
            transform: scale(1.04);
        }

        /* ────────────────── RANKINGS ────────────────── */
        #rankings {
            background: var(--bg-deep);
            position: relative;
        }
        .rankings-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .ranking-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            overflow: hidden;
        }
        .ranking-panel h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ranking-panel h3 .rank-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            background: rgba(245, 158, 11, 0.2);
        }
        .rank-table {
            width: 100%;
            border-collapse: collapse;
        }
        .rank-table th {
            text-align: left;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            padding: 10px 8px;
            border-bottom: 1px solid var(--border);
        }
        .rank-table td {
            padding: 11px 8px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            white-space: nowrap;
        }
        .rank-table tbody tr {
            transition: background var(--transition-fast);
        }
        .rank-table tbody tr:hover {
            background: rgba(255, 255, 255, 0.025);
        }
        .rank-table .rank-num {
            font-weight: 700;
            color: #fff;
            width: 36px;
            text-align: center;
        }
        .rank-table .rank-num.top {
            color: var(--accent);
        }
        .rank-table .team-name {
            font-weight: 600;
            color: #e0e0ee;
        }
        .rank-table .score-val {
            font-weight: 700;
            color: #fff;
            font-family: var(--font-mono);
            font-size: 1rem;
        }
        .rank-table .trend-up {
            color: #34c759;
            font-weight: 600;
        }
        .rank-table .trend-down {
            color: #ff3b30;
            font-weight: 600;
        }
        .ranking-img-block {
            border-radius: var(--radius);
            overflow: hidden;
            margin-top: 16px;
        }
        .ranking-img-block img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius);
        }

        /* ────────────────── HOW IT WORKS ────────────────── */
        #how-it-works {
            background: var(--bg-dark);
            position: relative;
        }
        .steps-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
            counter-increment: step;
        }
        .step-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 20px var(--primary-glow);
        }
        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ────────────────── FAQ ────────────────── */
        #faq {
            background: var(--bg-deep);
            position: relative;
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.02rem;
            color: #fff;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: transform var(--transition);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
            background: rgba(255, 59, 48, 0.15);
            color: var(--primary);
        }
        .faq-item[open] summary {
            color: #ff6b5e;
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ────────────────── CTA ────────────────── */
        #contact {
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            position: relative;
            padding: 100px 0;
        }
        #contact::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 22, 0.92) 0%, rgba(6, 6, 15, 0.94) 100%);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 900;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .cta-form input::placeholder {
            color: var(--text-dim);
        }
        .cta-form input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 20px rgba(255, 59, 48, 0.15);
        }
        .cta-form .btn {
            flex-shrink: 0;
        }

        /* ────────────────── FOOTER ────────────────── */
        .footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
            text-align: center;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-bottom: 20px;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-copy {
            font-size: 0.82rem;
            color: var(--text-dim);
            line-height: 1.6;
        }
        .footer-divider {
            width: 60px;
            height: 1px;
            background: var(--border);
            margin: 20px auto;
        }

        /* ────────────────── RESPONSIVE ────────────────── */
        @media (max-width: 1024px) {
            .rankings-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero {
                background-attachment: scroll;
            }
            #contact {
                background-attachment: scroll;
            }
            .section {
                padding: 64px 0;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero {
                min-height: 90vh;
                padding: 100px 20px 60px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .rank-table td,
            .rank-table th {
                font-size: 0.8rem;
                padding: 8px 4px;
            }
            .container {
                padding: 0 16px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.55rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons .btn {
                width: 100%;
                max-width: 280px;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 22px 18px;
            }
            .feature-card .feature-img img {
                height: 140px;
            }
            .ranking-panel {
                padding: 18px 12px;
            }
            .rank-table {
                font-size: 0.75rem;
            }
            .rank-table th,
            .rank-table td {
                padding: 6px 3px;
                font-size: 0.72rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.93rem;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.85rem;
            }
            .footer-links {
                gap: 12px;
            }
        }