/* roulang page: index */
:root {
            --color-primary: #E63946;
            --color-primary-dark: #C52835;
            --color-primary-light: #FF5A65;
            --color-accent: #F59E0B;
            --color-accent-gold: #FFD700;
            --color-bg-dark: #0B0E14;
            --color-bg-section: #111620;
            --color-bg-card: #1A1F2C;
            --color-bg-card-hover: #1F2636;
            --color-bg-elevated: #222838;
            --color-surface: #161C26;
            --color-text-primary: #F1F5F9;
            --color-text-secondary: #CBD5E1;
            --color-text-muted: #94A3B8;
            --color-text-weak: #64748B;
            --color-border: #1E293B;
            --color-border-light: #2A3344;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --color-danger: #EF4444;
            --color-info: #3B82F6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
            --shadow-glow-primary: 0 0 24px rgba(230, 57, 70, 0.3);
            --shadow-glow-accent: 0 0 20px rgba(245, 158, 11, 0.25);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
            --container-max: 1200px;
            --container-narrow: 960px;
            --container-wide: 1320px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text-primary);
            background-color: var(--color-bg-dark);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }
        .container--wide {
            max-width: var(--container-wide);
        }

        /* ===== HEADER & NAV ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 14, 20, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
        }
        .header--scrolled {
            background: rgba(11, 14, 20, 0.96);
            box-shadow: var(--shadow-lg);
            border-bottom-color: var(--color-border-light);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header__logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            box-shadow: var(--shadow-glow-primary);
            flex-shrink: 0;
        }
        .header__logo-text {
            background: linear-gradient(135deg, #fff, #e2e8f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header__nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .header__nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .header__nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .header__nav-link--cta {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: 24px;
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.35);
        }
        .header__nav-link--cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.5);
            transform: translateY(-1px);
        }
        .header__burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            cursor: pointer;
            z-index: 1001;
        }
        .header__burger-line {
            width: 26px;
            height: 2.5px;
            background: var(--color-text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }
        .header__burger--active .header__burger-line:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .header__burger--active .header__burger-line:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .header__burger--active .header__burger-line:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: var(--header-height);
            overflow: hidden;
            background: var(--color-bg-dark);
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero__bg img,
        .hero__bg-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            filter: brightness(0.35) saturate(0.85);
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 50% 40%, rgba(230, 57, 70, 0.2) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
                linear-gradient(180deg, rgba(11, 14, 20, 0.5) 0%, rgba(11, 14, 20, 0.85) 70%, rgba(11, 14, 20, 0.95) 100%);
        }
        .hero__content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 40px 24px;
        }
        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(230, 57, 70, 0.18);
            border: 1px solid rgba(230, 57, 70, 0.35);
            color: var(--color-primary-light);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            animation: badgePulse 2.4s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.4);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(230, 57, 70, 0);
            }
        }
        .hero__badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-success);
            animation: dotBlink 1.2s ease-in-out infinite;
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.18;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero__subtitle {
            font-size: clamp(1.05rem, 1.8vw, 1.25rem);
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.4);
        }
        .btn--primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn--outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }
        .btn--outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn--sm {
            padding: 9px 20px;
            font-size: 0.9rem;
            border-radius: 22px;
        }
        .btn--lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 32px;
        }
        .hero__scroll-hint {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            color: var(--color-text-muted);
            font-size: 0.8rem;
            animation: bounceHint 2s ease-in-out infinite;
            letter-spacing: 0.05em;
        }
        @keyframes bounceHint {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(10px);
            }
        }
        .hero__scroll-hint i {
            font-size: 1.2rem;
        }

        /* ===== LIVE TICKER BAR ===== */
        .live-ticker {
            background: var(--color-bg-section);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
            overflow: hidden;
            position: relative;
            z-index: 5;
        }
        .live-ticker__inner {
            display: flex;
            align-items: center;
            gap: 0;
            animation: tickerScroll 40s linear infinite;
            white-space: nowrap;
            width: max-content;
        }
        @keyframes tickerScroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        .live-ticker:hover .live-ticker__inner {
            animation-play-state: paused;
        }
        .live-ticker__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 14px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-right: 16px;
            flex-shrink: 0;
        }
        .live-ticker__badge-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }
        .live-ticker__item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 20px;
            border-right: 1px solid var(--color-border-light);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            flex-shrink: 0;
        }
        .live-ticker__score {
            font-weight: 700;
            color: #fff;
            font-family: var(--font-mono);
            letter-spacing: 0.04em;
            font-size: 0.9rem;
        }
        .live-ticker__status {
            color: var(--color-success);
            font-size: 0.72rem;
            font-weight: 600;
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section--dark {
            background: var(--color-bg-dark);
        }
        .section--surface {
            background: var(--color-bg-section);
        }
        .section--dark-gradient {
            background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-section) 50%, var(--color-bg-dark) 100%);
        }
        .section__header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section__label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-primary-light);
            margin-bottom: 10px;
        }
        .section__title {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .section__desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ===== FEATURES GRID ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            border-radius: 0 0 4px 4px;
            background: var(--color-primary);
            opacity: 0;
            transition: all var(--transition-normal);
        }
        .feature-card:hover {
            border-color: var(--color-border-light);
            background: var(--color-bg-card-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card:hover::before {
            opacity: 1;
            width: 80px;
        }
        .feature-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(230, 57, 70, 0.12);
            color: var(--color-primary-light);
            font-size: 1.5rem;
            margin-bottom: 16px;
            transition: all var(--transition-normal);
        }
        .feature-card:hover .feature-card__icon {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ===== SERVICES ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .service-card__image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            object-position: center;
            border-bottom: 1px solid var(--color-border);
        }
        .service-card__body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card__tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(245, 158, 11, 0.15);
            color: var(--color-accent);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            flex: 1;
        }
        .service-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary-light);
            transition: gap var(--transition-fast);
        }
        .service-card__link:hover {
            gap: 10px;
            color: var(--color-primary-light);
        }

        /* ===== STATS ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-3px);
        }
        .stat-card__number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
            font-family: var(--font-mono);
        }
        .stat-card__number span {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-card__label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ===== RANKINGS ===== */
        .rankings-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .ranking-panel {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            overflow: hidden;
        }
        .ranking-panel__header {
            padding: 18px 22px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .ranking-panel__title {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ranking-panel__title i {
            color: var(--color-primary-light);
        }
        .ranking-panel__badge {
            font-size: 0.72rem;
            padding: 4px 10px;
            border-radius: 10px;
            background: rgba(16, 185, 129, 0.15);
            color: var(--color-success);
            font-weight: 600;
        }
        .ranking-panel__list {
            padding: 8px 0;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 22px;
            transition: background var(--transition-fast);
            border-bottom: 1px solid rgba(30, 41, 59, 0.4);
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .ranking-item__pos {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-muted);
        }
        .ranking-item__pos--top {
            background: var(--color-accent);
            color: #000;
            font-weight: 800;
        }
        .ranking-item__pos--silver {
            background: #94A3B8;
            color: #000;
            font-weight: 800;
        }
        .ranking-item__pos--bronze {
            background: #CD853F;
            color: #fff;
            font-weight: 800;
        }
        .ranking-item__info {
            flex: 1;
            min-width: 0;
        }
        .ranking-item__name {
            font-weight: 600;
            color: #fff;
            font-size: 0.92rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-item__sub {
            font-size: 0.76rem;
            color: var(--color-text-weak);
        }
        .ranking-item__value {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-family: var(--font-mono);
            flex-shrink: 0;
        }
        .ranking-item__trend {
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .ranking-item__trend--up {
            color: var(--color-success);
        }
        .ranking-item__trend--down {
            color: var(--color-danger);
        }

        /* ===== FLOW / STEPS ===== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 28px 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
            counter-increment: step;
        }
        .step-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-item__num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 14px;
            box-shadow: var(--shadow-glow-primary);
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        .step-item__arrow {
            display: none;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item--open {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        .faq-item__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            background: transparent;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-item__question:hover {
            color: var(--color-primary-light);
        }
        .faq-item__icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.05);
            transition: all var(--transition-normal);
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        .faq-item--open .faq-item__icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(180deg);
            box-shadow: var(--shadow-glow-primary);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
        }
        .faq-item--open .faq-item__answer {
            max-height: 300px;
        }
        .faq-item__answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            text-align: center;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            background: var(--color-bg-section);
        }
        .cta-section__bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.25;
        }
        .cta-section__bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            filter: brightness(0.4) saturate(0.6);
        }
        .cta-section__overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 50% 50%, rgba(230, 57, 70, 0.25) 0%, transparent 60%),
                linear-gradient(180deg, rgba(17, 22, 32, 0.7) 0%, rgba(17, 22, 32, 0.9) 100%);
        }
        .cta-section__content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .cta-section h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
        }
        .cta-section .btn--primary {
            font-size: 1.1rem;
            padding: 15px 38px;
            border-radius: 30px;
        }

        /* ===== FOOTER ===== */
        .footer {
            background: var(--color-bg-dark);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer__brand-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 0.95rem;
        }
        .footer__desc {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            max-width: 280px;
        }
        .footer__col-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 9px;
        }
        .footer__links a {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer__links a:hover {
            color: #fff;
        }
        .footer__bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--color-text-weak);
        }
        .footer__bottom a {
            color: var(--color-text-muted);
        }
        .footer__bottom a:hover {
            color: #fff;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rankings-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero h1 {
                font-size: clamp(1.8rem, 4vw, 2.6rem);
            }
            .section {
                padding: 60px 0;
            }
        }

        @media (max-width: 768px) {
            .header__nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(17, 22, 32, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 90px 28px 40px;
                gap: 4px;
                transition: right var(--transition-slow);
                z-index: 999;
                border-left: 1px solid var(--color-border);
            }
            .header__nav--open {
                right: 0;
            }
            .header__nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .header__nav-link--cta {
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }
            .header__burger {
                display: flex;
            }
            .header__mobile-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.6);
                z-index: 998;
            }
            .header__mobile-overlay--active {
                display: block;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero__actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
                max-width: 320px;
            }
            .section {
                padding: 48px 0;
            }
            .section__header {
                margin-bottom: 36px;
            }
            .ranking-panel__header {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero {
                min-height: 90vh;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero__subtitle {
                font-size: 0.95rem;
            }
            .hero__badge {
                font-size: 0.75rem;
                padding: 5px 12px;
            }
            .section__title {
                font-size: 1.4rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card__number {
                font-size: 1.8rem;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .live-ticker__item {
                padding: 4px 12px;
                font-size: 0.78rem;
            }
            .ranking-item {
                padding: 10px 14px;
                gap: 8px;
            }
            .ranking-item__name {
                font-size: 0.82rem;
            }
            .faq-item__question {
                padding: 15px 16px;
                font-size: 0.9rem;
            }
            .faq-item__answer-inner {
                padding: 0 16px 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
        }