/* roulang page: index */
:root {
            --k1-red: #E63946;
            --k1-red-hover: #C62830;
            --k1-red-light: #FF5A65;
            --k1-dark: #0F0F1A;
            --k1-dark-card: #1A1A2E;
            --k1-gold: #FFB703;
            --k1-gold-light: #FFD60A;
            --k1-blue: #1D3557;
            --k1-blue-accent: #457B9D;
            --k1-gray-50: #F8F9FA;
            --k1-gray-100: #F1F3F5;
            --k1-gray-200: #E9ECEF;
            --k1-gray-300: #DEE2E6;
            --k1-gray-500: #6B7280;
            --k1-gray-700: #374151;
            --k1-gray-900: #111827;
            --k1-white: #FFFFFF;
            --k1-radius-sm: 8px;
            --k1-radius: 12px;
            --k1-radius-lg: 16px;
            --k1-radius-xl: 20px;
            --k1-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --k1-shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --k1-shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 4px 10px rgba(0,0,0,0.06);
            --k1-shadow-xl: 0 20px 48px rgba(0,0,0,0.16), 0 8px 16px rgba(0,0,0,0.08);
            --k1-shadow-gold: 0 0 0 2px rgba(255,183,3,0.3), 0 8px 24px rgba(255,183,3,0.2);
            --k1-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --k1-font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--k1-font-sans);
            background-color: var(--k1-white);
            color: var(--k1-gray-900);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--k1-transition);
        }
        a:hover {
            color: var(--k1-red);
        }

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

        button, input {
            font-family: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--k1-red);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== NAVBAR ===== */
        .k1-navbar {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--k1-gray-200);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            transition: box-shadow var(--k1-transition);
        }
        .k1-navbar.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }
        .k1-navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--k1-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .k1-navbar .navbar-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--k1-red), var(--k1-red-light));
            border-radius: var(--k1-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .k1-navbar .navbar-brand:hover {
            color: var(--k1-red);
        }
        .k1-navbar .nav-link {
            font-weight: 600;
            font-size: 0.925rem;
            color: var(--k1-gray-700);
            padding: 0.6rem 1rem !important;
            border-radius: var(--k1-radius-sm);
            transition: all var(--k1-transition);
            margin: 0 1px;
            white-space: nowrap;
        }
        .k1-navbar .nav-link:hover {
            color: var(--k1-red);
            background: rgba(230,57,70,0.05);
        }
        .k1-navbar .nav-link.active {
            color: var(--k1-red) !important;
            background: rgba(230,57,70,0.08);
            font-weight: 700;
        }
        .k1-navbar .navbar-toggler {
            border: none;
            color: var(--k1-gray-700);
            padding: 0.4rem 0.6rem;
            border-radius: var(--k1-radius-sm);
        }
        .k1-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(230,57,70,0.2);
        }

        /* Search box */
        .k1-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .k1-search-input {
            width: 200px;
            height: 38px;
            padding: 0 36px 0 14px;
            border: 1.5px solid var(--k1-gray-300);
            border-radius: 24px;
            font-size: 0.875rem;
            background: var(--k1-gray-50);
            color: var(--k1-gray-900);
            transition: all var(--k1-transition);
            outline: none;
        }
        .k1-search-input:focus {
            border-color: var(--k1-red);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(230,57,70,0.08);
            width: 240px;
        }
        .k1-search-input::placeholder {
            color: var(--k1-gray-500);
            font-size: 0.85rem;
        }
        .k1-search-icon {
            position: absolute;
            right: 12px;
            color: var(--k1-gray-500);
            pointer-events: none;
            font-size: 0.9rem;
        }

        /* CTA button in nav */
        .k1-btn-nav-cta {
            background: var(--k1-red);
            color: #fff !important;
            border: none;
            padding: 0.5rem 1.3rem;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.875rem;
            white-space: nowrap;
            transition: all var(--k1-transition);
            box-shadow: 0 2px 8px rgba(230,57,70,0.3);
        }
        .k1-btn-nav-cta:hover {
            background: var(--k1-red-hover);
            box-shadow: 0 4px 16px rgba(230,57,70,0.45);
            transform: translateY(-1px);
            color: #fff !important;
        }

        /* ===== HERO ===== */
        .k1-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: var(--k1-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }
        .k1-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,15,26,0.88) 0%, rgba(15,15,26,0.7) 40%, rgba(29,53,87,0.75) 70%, rgba(15,15,26,0.85) 100%);
            z-index: 1;
        }
        .k1-hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230,57,70,0.35) 0%, transparent 70%);
            top: -120px;
            right: -100px;
            z-index: 1;
            animation: heroGlow 6s ease-in-out infinite;
        }
        @keyframes heroGlow {
            0%, 100% { opacity: 0.6; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.15); }
        }
        .k1-hero-content {
            position: relative;
            z-index: 2;
            padding: 4rem 0;
        }
        .k1-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--k1-gold-light);
            padding: 6px 16px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
            backdrop-filter: blur(8px);
        }
        .k1-hero-badge .live-dot {
            width: 8px;
            height: 8px;
            background: #00E676;
            border-radius: 50%;
            animation: pulseDot 1.5s ease-in-out infinite;
        }
        @keyframes pulseDot {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,230,118,0.6); }
            50% { opacity: 0.6; box-shadow: 0 0 0 10px rgba(0,230,118,0); }
        }
        .k1-hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        .k1-hero-title .highlight {
            color: var(--k1-gold-light);
            position: relative;
        }
        .k1-hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            max-width: 560px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .k1-hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .k1-btn-hero-primary {
            background: var(--k1-red);
            color: #fff;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--k1-transition);
            box-shadow: 0 4px 18px rgba(230,57,70,0.45);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .k1-btn-hero-primary:hover {
            background: var(--k1-red-hover);
            box-shadow: 0 8px 28px rgba(230,57,70,0.6);
            transform: translateY(-2px);
            color: #fff;
        }
        .k1-btn-hero-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
            padding: 0.7rem 1.9rem;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--k1-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .k1-btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }

        /* ===== SECTION COMMON ===== */
        .k1-section {
            padding: 5rem 0;
        }
        .k1-section-dark {
            background: var(--k1-dark-card);
            color: #fff;
        }
        .k1-section-gray {
            background: var(--k1-gray-50);
        }
        .k1-section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--k1-red);
            margin-bottom: 0.5rem;
        }
        .k1-section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--k1-gray-900);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .k1-section-dark .k1-section-title {
            color: #fff;
        }
        .k1-section-subtitle {
            font-size: 1.05rem;
            color: var(--k1-gray-500);
            max-width: 600px;
            margin: 0 auto 3rem;
        }
        .k1-section-dark .k1-section-subtitle {
            color: rgba(255,255,255,0.6);
        }

        /* ===== FEATURE CARDS ===== */
        .k1-feature-card {
            background: #fff;
            border: 1px solid var(--k1-gray-200);
            border-radius: var(--k1-radius-lg);
            padding: 2rem 1.5rem;
            height: 100%;
            transition: all var(--k1-transition);
            position: relative;
        }
        .k1-feature-card:hover {
            box-shadow: var(--k1-shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .k1-feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--k1-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            background: rgba(230,57,70,0.08);
            color: var(--k1-red);
            transition: all var(--k1-transition);
        }
        .k1-feature-card:hover .k1-feature-icon {
            background: var(--k1-red);
            color: #fff;
            transform: scale(1.05);
        }
        .k1-feature-card h3 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--k1-gray-900);
        }
        .k1-feature-card p {
            font-size: 0.925rem;
            color: var(--k1-gray-500);
            margin: 0;
        }

        /* ===== CATEGORY CARDS ===== */
        .k1-cat-card {
            border-radius: var(--k1-radius-xl);
            overflow: hidden;
            position: relative;
            height: 280px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            transition: all var(--k1-transition);
            cursor: pointer;
            border: none;
        }
        .k1-cat-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.7) 65%, rgba(0,0,0,0.9) 100%);
            z-index: 1;
            transition: all var(--k1-transition);
        }
        .k1-cat-card:hover::before {
            background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.55) 60%, rgba(0,0,0,0.85) 100%);
        }
        .k1-cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--k1-shadow-xl);
        }
        .k1-cat-card-body {
            position: relative;
            z-index: 2;
            padding: 1.5rem;
            width: 100%;
        }
        .k1-cat-card-body h3 {
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 0.35rem;
        }
        .k1-cat-card-body p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            margin: 0;
        }
        .k1-cat-card-body .k1-cat-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--k1-gold-light);
            font-weight: 700;
            font-size: 0.85rem;
            margin-top: 0.75rem;
            transition: gap var(--k1-transition);
        }
        .k1-cat-card:hover .k1-cat-arrow {
            gap: 10px;
        }

        /* ===== STATS ===== */
        .k1-stat-item {
            text-align: center;
            padding: 1.5rem;
        }
        .k1-stat-number {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 900;
            color: var(--k1-gold-light);
            line-height: 1;
            margin-bottom: 0.3rem;
            letter-spacing: -0.02em;
        }
        .k1-stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
            font-weight: 500;
        }

        /* ===== CMS LIST ===== */
        .k1-cms-card {
            background: #fff;
            border-radius: var(--k1-radius-lg);
            overflow: hidden;
            border: 1px solid var(--k1-gray-200);
            transition: all var(--k1-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .k1-cms-card:hover {
            box-shadow: var(--k1-shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .k1-cms-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            position: relative;
        }
        .k1-cms-card-img .k1-cms-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--k1-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .k1-cms-card-body {
            padding: 1.2rem 1.3rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .k1-cms-card-body h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.5rem;
            line-height: 1.5;
            color: var(--k1-gray-900);
        }
        .k1-cms-card-body h4 a:hover {
            color: var(--k1-red);
        }
        .k1-cms-card-body .k1-cms-excerpt {
            font-size: 0.85rem;
            color: var(--k1-gray-500);
            margin-bottom: 0.75rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .k1-cms-meta {
            font-size: 0.78rem;
            color: var(--k1-gray-500);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* ===== RANKING ===== */
        .k1-rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .k1-rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 1rem 1.2rem;
            background: #fff;
            border-radius: var(--k1-radius);
            margin-bottom: 0.6rem;
            border: 1px solid var(--k1-gray-200);
            transition: all var(--k1-transition);
        }
        .k1-rank-item:hover {
            box-shadow: var(--k1-shadow);
            border-color: transparent;
            transform: translateX(3px);
        }
        .k1-rank-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            flex-shrink: 0;
            background: var(--k1-gray-100);
            color: var(--k1-gray-500);
        }
        .k1-rank-item:nth-child(1) .k1-rank-num {
            background: linear-gradient(135deg, #FFD700, #FFB703);
            color: #fff;
            box-shadow: var(--k1-shadow-gold);
        }
        .k1-rank-item:nth-child(2) .k1-rank-num {
            background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
            color: #fff;
        }
        .k1-rank-item:nth-child(3) .k1-rank-num {
            background: linear-gradient(135deg, #CD7F32, #B8702E);
            color: #fff;
        }
        .k1-rank-info {
            flex: 1;
            min-width: 0;
        }
        .k1-rank-info h5 {
            font-weight: 700;
            font-size: 0.95rem;
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .k1-rank-info span {
            font-size: 0.78rem;
            color: var(--k1-gray-500);
        }

        /* ===== COMMUNITY ===== */
        .k1-community-card {
            background: #fff;
            border-radius: var(--k1-radius-lg);
            padding: 1.8rem;
            border: 1px solid var(--k1-gray-200);
            height: 100%;
            transition: all var(--k1-transition);
            text-align: center;
        }
        .k1-community-card:hover {
            box-shadow: var(--k1-shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .k1-community-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background-size: cover;
            background-position: center;
            margin: 0 auto 1rem;
            border: 3px solid var(--k1-red);
        }
        .k1-community-card h4 {
            font-weight: 700;
            font-size: 1rem;
        }
        .k1-community-card p {
            font-size: 0.85rem;
            color: var(--k1-gray-500);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .k1-faq .accordion-item {
            border: 1px solid var(--k1-gray-200);
            border-radius: var(--k1-radius) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
        }
        .k1-faq .accordion-button {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--k1-gray-900);
            background: #fff;
            box-shadow: none !important;
            border-radius: var(--k1-radius) !important;
            padding: 1.1rem 1.3rem;
        }
        .k1-faq .accordion-button:not(.collapsed) {
            color: var(--k1-red);
            background: rgba(230,57,70,0.03);
        }
        .k1-faq .accordion-button::after {
            background-size: 14px;
        }
        .k1-faq .accordion-body {
            padding: 0.8rem 1.3rem 1.3rem;
            font-size: 0.9rem;
            color: var(--k1-gray-500);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .k1-cta {
            background: linear-gradient(135deg, var(--k1-red) 0%, #C62830 100%);
            border-radius: var(--k1-radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .k1-cta::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
            bottom: -80px;
            right: -60px;
        }
        .k1-cta h2 {
            font-weight: 900;
            font-size: clamp(1.5rem, 3vw, 2rem);
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }
        .k1-cta p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }
        .k1-btn-cta-white {
            background: #fff;
            color: var(--k1-red);
            border: none;
            padding: 0.75rem 2.2rem;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--k1-transition);
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .k1-btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0,0,0,0.3);
            color: var(--k1-red-hover);
        }

        /* ===== FOOTER ===== */
        .k1-footer {
            background: var(--k1-dark);
            color: rgba(255,255,255,0.6);
            padding: 3rem 0 1.5rem;
        }
        .k1-footer-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .k1-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .k1-footer-links a {
            color: rgba(255,255,255,0.55);
            font-size: 0.875rem;
            transition: color var(--k1-transition);
        }
        .k1-footer-links a:hover {
            color: var(--k1-gold-light);
        }
        .k1-footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2rem;
            padding-top: 1.2rem;
            font-size: 0.8rem;
            text-align: center;
            color: rgba(255,255,255,0.35);
        }

        /* ===== BUTTONS GENERAL ===== */
        .k1-btn-outline-red {
            border: 2px solid var(--k1-red);
            color: var(--k1-red);
            background: transparent;
            padding: 0.55rem 1.5rem;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--k1-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .k1-btn-outline-red:hover {
            background: var(--k1-red);
            color: #fff;
            box-shadow: 0 4px 14px rgba(230,57,70,0.35);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .k1-section {
                padding: 3.5rem 0;
            }
            .k1-hero {
                min-height: 480px;
            }
            .k1-search-input {
                width: 150px;
            }
            .k1-search-input:focus {
                width: 180px;
            }
            .k1-cat-card {
                height: 230px;
            }
        }

        @media (max-width: 768px) {
            .k1-section {
                padding: 2.8rem 0;
            }
            .k1-hero {
                min-height: 420px;
                background-position: 65% center;
            }
            .k1-hero-title {
                font-size: 1.8rem;
            }
            .k1-hero-desc {
                font-size: 1rem;
            }
            .k1-search-wrap {
                margin: 0.5rem 0;
            }
            .k1-search-input {
                width: 100%;
            }
            .k1-search-input:focus {
                width: 100%;
            }
            .k1-btn-nav-cta {
                width: 100%;
                text-align: center;
                justify-content: center;
                margin-top: 0.3rem;
            }
            .k1-cat-card {
                height: 200px;
            }
            .k1-cta {
                padding: 2rem 1.5rem;
                border-radius: var(--k1-radius);
            }
            .k1-cms-card-img {
                height: 150px;
            }
            .k1-stat-item {
                padding: 1rem 0.5rem;
            }
            .k1-rank-item {
                padding: 0.8rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .k1-hero {
                min-height: 380px;
            }
            .k1-hero-title {
                font-size: 1.55rem;
            }
            .k1-hero-btns {
                flex-direction: column;
            }
            .k1-hero-btns .k1-btn-hero-primary,
            .k1-hero-btns .k1-btn-hero-outline {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .k1-section-title {
                font-size: 1.35rem;
            }
            .k1-cat-card {
                height: 170px;
            }
            .k1-cat-card-body h3 {
                font-size: 1.1rem;
            }
            .k1-cta h2 {
                font-size: 1.3rem;
            }
            .k1-footer-links {
                gap: 0.8rem;
                flex-direction: column;
            }
        }

/* roulang page: category1 */
:root {
            --k1-primary: #e63946;
            --k1-primary-dark: #c1121f;
            --k1-primary-light: #ff6b6b;
            --k1-secondary: #1d3557;
            --k1-accent: #f4a261;
            --k1-accent-warm: #e76f51;
            --k1-bg: #f8f9fa;
            --k1-bg-alt: #edf2f7;
            --k1-bg-dark: #1a1a2e;
            --k1-bg-card: #ffffff;
            --k1-text: #1d3557;
            --k1-text-light: #6c757d;
            --k1-text-muted: #8896a6;
            --k1-border: #e2e8f0;
            --k1-border-light: #eef1f5;
            --k1-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --k1-shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --k1-shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
            --k1-shadow-hover: 0 8px 28px rgba(0,0,0,0.12), 0 3px 10px rgba(0,0,0,0.06);
            --k1-radius-sm: 8px;
            --k1-radius: 12px;
            --k1-radius-lg: 16px;
            --k1-radius-xl: 20px;
            --k1-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            line-height: 1.65;
            background: var(--k1-bg);
            color: var(--k1-text);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--k1-transition);
        }
        a:hover {
            color: var(--k1-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ===== 导航栏 ===== */
        .k1-navbar {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--k1-border-light);
            box-shadow: var(--k1-shadow-sm);
            padding: 10px 0;
            z-index: 1050;
            transition: all var(--k1-transition);
        }
        .k1-navbar .navbar-brand {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--k1-secondary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .k1-navbar .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--k1-primary), var(--k1-accent-warm));
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
        }
        .k1-navbar .nav-link {
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--k1-text-light);
            padding: 8px 16px;
            border-radius: var(--k1-radius-sm);
            transition: all var(--k1-transition);
            position: relative;
        }
        .k1-navbar .nav-link:hover {
            color: var(--k1-primary);
            background: rgba(230,57,70,0.05);
        }
        .k1-navbar .nav-link.active {
            color: var(--k1-primary);
            background: rgba(230,57,70,0.08);
            font-weight: 600;
        }
        .k1-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--k1-primary);
            border-radius: 3px;
        }
        .k1-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .k1-search-input {
            width: 200px;
            padding: 9px 14px 9px 36px;
            border: 1.5px solid var(--k1-border);
            border-radius: 24px;
            font-size: 0.875rem;
            background: var(--k1-bg);
            color: var(--k1-text);
            outline: none;
            transition: all var(--k1-transition);
        }
        .k1-search-input:focus {
            border-color: var(--k1-primary);
            box-shadow: 0 0 0 3px rgba(230,57,70,0.1);
            background: #fff;
            width: 240px;
        }
        .k1-search-icon {
            position: absolute;
            left: 14px;
            color: var(--k1-text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .k1-btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: linear-gradient(135deg, var(--k1-primary), var(--k1-primary-dark));
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.875rem;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--k1-transition);
            box-shadow: 0 2px 10px rgba(230,57,70,0.3);
            text-decoration: none;
        }
        .k1-btn-nav-cta:hover {
            box-shadow: 0 4px 18px rgba(230,57,70,0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        @media (max-width: 991.98px) {
            .k1-navbar .navbar-collapse {
                background: #fff;
                border-radius: var(--k1-radius);
                padding: 16px;
                margin-top: 10px;
                box-shadow: var(--k1-shadow-lg);
                border: 1px solid var(--k1-border-light);
            }
            .k1-search-input {
                width: 100%;
            }
            .k1-search-input:focus {
                width: 100%;
            }
            .k1-navbar .nav-link.active::after {
                display: none;
            }
            .k1-navbar .d-flex.align-items-center.gap-3 {
                flex-direction: column;
                align-items: stretch !important;
                gap: 10px !important;
                margin-top: 8px;
            }
            .k1-search-wrap {
                width: 100%;
            }
            .k1-btn-nav-cta {
                justify-content: center;
                text-align: center;
            }
        }

        /* ===== 分类Banner ===== */
        .k1-cat-banner {
            position: relative;
            padding: 70px 0 60px;
            background: linear-gradient(160deg, #1d3557 0%, #1a1a2e 40%, #16213e 100%);
            overflow: hidden;
        }
        .k1-cat-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.22;
            z-index: 1;
        }
        .k1-cat-banner::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230,57,70,0.25) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }
        .k1-cat-banner .container {
            position: relative;
            z-index: 2;
        }
        .k1-cat-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .k1-cat-breadcrumb a {
            color: rgba(255,255,255,0.8);
            transition: color var(--k1-transition);
        }
        .k1-cat-breadcrumb a:hover {
            color: #fff;
        }
        .k1-cat-breadcrumb .separator {
            color: rgba(255,255,255,0.4);
        }
        .k1-cat-breadcrumb .current {
            color: var(--k1-primary-light);
            font-weight: 500;
        }
        .k1-cat-banner-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .k1-cat-banner-title .highlight {
            color: var(--k1-primary-light);
        }
        .k1-cat-banner-desc {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            line-height: 1.7;
        }
        .k1-cat-banner-stats {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .k1-cat-stat-item {
            text-align: center;
        }
        .k1-cat-stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--k1-accent);
            line-height: 1.1;
        }
        .k1-cat-stat-label {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.6);
            margin-top: 4px;
        }

        /* ===== 筛选标签行 ===== */
        .k1-filter-bar {
            padding: 20px 0;
            background: #fff;
            border-bottom: 1px solid var(--k1-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--k1-shadow-sm);
        }
        .k1-filter-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .k1-filter-tag {
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 500;
            border: 1.5px solid var(--k1-border);
            background: #fff;
            color: var(--k1-text-light);
            cursor: pointer;
            transition: all var(--k1-transition);
            white-space: nowrap;
            text-decoration: none;
            display: inline-block;
        }
        .k1-filter-tag:hover {
            border-color: var(--k1-primary);
            color: var(--k1-primary);
            background: rgba(230,57,70,0.03);
        }
        .k1-filter-tag.active {
            background: var(--k1-primary);
            color: #fff;
            border-color: var(--k1-primary);
            font-weight: 600;
        }

        /* ===== 赛事卡片网格 ===== */
        .k1-section {
            padding: 50px 0;
        }
        .k1-section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .k1-section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--k1-secondary);
            letter-spacing: -0.3px;
            margin: 0;
            position: relative;
        }
        .k1-section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: linear-gradient(90deg, var(--k1-primary), var(--k1-accent-warm));
            border-radius: 2px;
            margin-top: 8px;
        }
        .k1-section-sub {
            font-size: 0.9rem;
            color: var(--k1-text-muted);
        }

        .k1-event-card {
            background: var(--k1-bg-card);
            border-radius: var(--k1-radius-lg);
            overflow: hidden;
            border: 1px solid var(--k1-border-light);
            box-shadow: var(--k1-shadow);
            transition: all var(--k1-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .k1-event-card:hover {
            box-shadow: var(--k1-shadow-hover);
            transform: translateY(-3px);
            border-color: transparent;
            color: inherit;
        }
        .k1-event-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--k1-bg-alt);
        }
        .k1-event-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .k1-event-card:hover .k1-event-card-img-wrap img {
            transform: scale(1.05);
        }
        .k1-event-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.3px;
        }
        .k1-badge-live {
            background: #e63946;
            color: #fff;
            animation: k1-pulse 1.8s ease-in-out infinite;
        }
        @keyframes k1-pulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(230,57,70,0.5); }
            50% { box-shadow: 0 0 0 10px rgba(230,57,70,0); }
        }
        .k1-badge-upcoming {
            background: var(--k1-accent);
            color: #1d3557;
        }
        .k1-badge-hot {
            background: linear-gradient(135deg, #f4a261, #e76f51);
            color: #fff;
        }
        .k1-event-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .k1-event-card-cat {
            font-size: 0.78rem;
            color: var(--k1-primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .k1-event-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--k1-secondary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .k1-event-card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--k1-text-muted);
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--k1-border-light);
            flex-wrap: wrap;
        }
        .k1-event-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== 热门排行侧边栏/区块 ===== */
        .k1-ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .k1-ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--k1-border-light);
            transition: all var(--k1-transition);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .k1-ranking-item:hover {
            background: rgba(230,57,70,0.03);
            padding-left: 8px;
            border-radius: 6px;
            color: inherit;
        }
        .k1-ranking-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .k1-ranking-num.top1 {
            background: linear-gradient(135deg, #f4a261, #e76f51);
            color: #fff;
            font-size: 1rem;
        }
        .k1-ranking-num.top2 {
            background: #c0c0c0;
            color: #1d3557;
        }
        .k1-ranking-num.top3 {
            background: #cd7f32;
            color: #fff;
        }
        .k1-ranking-num.normal {
            background: var(--k1-bg-alt);
            color: var(--k1-text-muted);
        }
        .k1-ranking-info {
            flex: 1;
            min-width: 0;
        }
        .k1-ranking-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--k1-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .k1-ranking-detail {
            font-size: 0.78rem;
            color: var(--k1-text-muted);
        }

        /* ===== 赛事日程亮点 ===== */
        .k1-schedule-block {
            background: #fff;
            border-radius: var(--k1-radius-lg);
            border: 1px solid var(--k1-border-light);
            box-shadow: var(--k1-shadow);
            overflow: hidden;
        }
        .k1-schedule-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--k1-border-light);
            transition: background var(--k1-transition);
            flex-wrap: wrap;
        }
        .k1-schedule-item:last-child {
            border-bottom: none;
        }
        .k1-schedule-item:hover {
            background: var(--k1-bg);
        }
        .k1-schedule-date {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
        }
        .k1-schedule-day {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--k1-primary);
            line-height: 1;
        }
        .k1-schedule-month {
            font-size: 0.75rem;
            color: var(--k1-text-muted);
        }
        .k1-schedule-info {
            flex: 1;
            min-width: 180px;
        }
        .k1-schedule-match {
            font-weight: 600;
            color: var(--k1-secondary);
        }
        .k1-schedule-loc {
            font-size: 0.8rem;
            color: var(--k1-text-muted);
        }
        .k1-schedule-status {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .k1-status-live {
            background: rgba(230,57,70,0.12);
            color: var(--k1-primary);
        }
        .k1-status-soon {
            background: rgba(244,162,97,0.15);
            color: var(--k1-accent-warm);
        }
        .k1-status-done {
            background: var(--k1-bg-alt);
            color: var(--k1-text-muted);
        }

        /* ===== CTA ===== */
        .k1-cta-block {
            background: linear-gradient(135deg, var(--k1-secondary) 0%, #16213e 100%);
            border-radius: var(--k1-radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .k1-cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(230,57,70,0.3) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }
        .k1-cta-block>* {
            position: relative;
            z-index: 2;
        }
        .k1-cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .k1-cta-desc {
            color: rgba(255,255,255,0.7);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }
        .k1-btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--k1-primary), var(--k1-primary-dark));
            color: #fff;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--k1-transition);
            box-shadow: 0 4px 16px rgba(230,57,70,0.35);
            text-decoration: none;
        }
        .k1-btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230,57,70,0.45);
            color: #fff;
        }
        .k1-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
            border-radius: 28px;
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--k1-transition);
            text-decoration: none;
        }
        .k1-btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .k1-faq-item {
            border: 1px solid var(--k1-border-light);
            border-radius: var(--k1-radius);
            margin-bottom: 10px;
            background: #fff;
            overflow: hidden;
            transition: all var(--k1-transition);
        }
        .k1-faq-item:hover {
            box-shadow: var(--k1-shadow-sm);
        }
        .k1-faq-question {
            padding: 16px 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--k1-secondary);
            user-select: none;
            gap: 12px;
        }
        .k1-faq-question i {
            transition: transform var(--k1-transition);
            color: var(--k1-primary);
            flex-shrink: 0;
        }
        .k1-faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .k1-faq-answer {
            padding: 0 20px 18px;
            color: var(--k1-text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .k1-footer {
            background: var(--k1-bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 40px 0 20px;
            margin-top: 20px;
        }
        .k1-footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .k1-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .k1-footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.875rem;
            transition: color var(--k1-transition);
        }
        .k1-footer-links a:hover {
            color: var(--k1-primary-light);
        }
        .k1-footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 24px;
            padding-top: 16px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .k1-cat-banner {
                padding: 48px 0 40px;
            }
            .k1-cat-banner-title {
                font-size: 1.7rem;
            }
            .k1-cat-banner-desc {
                font-size: 0.9rem;
            }
            .k1-section {
                padding: 36px 0;
            }
            .k1-section-title {
                font-size: 1.3rem;
            }
            .k1-cta-block {
                padding: 32px 20px;
                border-radius: var(--k1-radius-lg);
            }
            .k1-cta-title {
                font-size: 1.25rem;
            }
            .k1-schedule-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .k1-schedule-date {
                width: 48px;
            }
            .k1-schedule-day {
                font-size: 1.2rem;
            }
            .k1-cat-banner-stats {
                gap: 18px;
            }
            .k1-cat-stat-num {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 767.98px) {
            .k1-cat-banner-title {
                font-size: 1.4rem;
            }
            .k1-filter-tags {
                gap: 6px;
            }
            .k1-filter-tag {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .k1-event-card-body {
                padding: 14px;
            }
            .k1-event-card-title {
                font-size: 0.95rem;
            }
            .k1-ranking-item {
                padding: 10px 0;
            }
            .k1-section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .k1-footer-links {
                gap: 12px;
                flex-direction: column;
            }
        }
        @media (max-width: 520px) {
            .k1-cat-banner {
                padding: 32px 0 28px;
            }
            .k1-cat-banner-title {
                font-size: 1.2rem;
            }
            .k1-cat-banner-stats {
                gap: 12px;
            }
            .k1-cat-stat-num {
                font-size: 1.1rem;
            }
            .k1-cat-stat-label {
                font-size: 0.7rem;
            }
            .k1-event-card-img-wrap {
                aspect-ratio: 16 / 11;
            }
            .k1-cta-block {
                padding: 24px 16px;
            }
        }

/* roulang page: article */
:root {
            --k1-primary: #e63946;
            --k1-primary-dark: #c1121f;
            --k1-secondary: #ffb703;
            --k1-accent: #2a9d8f;
            --k1-bg: #0a0a0a;
            --k1-bg-alt: #12181e;
            --k1-card-bg: #1a1f2b;
            --k1-text: #f5f5f5;
            --k1-text-muted: #b0b3b8;
            --k1-border: #2a303c;
            --k1-radius: 12px;
            --k1-radius-sm: 8px;
            --k1-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            --k1-shadow-hover: 0 14px 40px rgba(230, 57, 70, 0.3);
            --k1-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --k1-font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--k1-font-sans);
            background: var(--k1-bg);
            color: var(--k1-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--k1-primary);
            text-decoration: none;
            transition: var(--k1-transition);
        }

        a:hover {
            color: var(--k1-primary-dark);
            text-decoration: underline;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 导航 */
        .k1-navbar {
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--k1-border);
            padding: 0.8rem 0;
            transition: var(--k1-transition);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0,0,0,0.5);
        }

        .k1-navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: #fff !important;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .brand-icon {
            background: var(--k1-primary);
            color: #fff;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .navbar-nav .nav-link {
            color: var(--k1-text-muted) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: var(--k1-radius-sm);
            transition: var(--k1-transition);
            font-size: 0.95rem;
            margin: 0 2px;
        }

        .navbar-nav .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: #fff !important;
            background: var(--k1-primary);
            border-radius: var(--k1-radius-sm);
            font-weight: 600;
        }

        .k1-search-wrap {
            position: relative;
        }

        .k1-search-input {
            background: var(--k1-card-bg);
            border: 1px solid var(--k1-border);
            border-radius: 30px;
            padding: 0.5rem 1rem 0.5rem 2.4rem;
            color: #fff;
            outline: none;
            width: 200px;
            transition: var(--k1-transition);
            font-size: 0.9rem;
        }

        .k1-search-input:focus {
            border-color: var(--k1-primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.25);
            width: 240px;
        }

        .k1-search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--k1-text-muted);
            font-size: 0.9rem;
        }

        .k1-btn-nav-cta {
            background: linear-gradient(135deg, var(--k1-primary), #ff5722);
            color: #fff !important;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--k1-transition);
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.4);
            text-decoration: none;
            white-space: nowrap;
        }

        .k1-btn-nav-cta:hover {
            background: linear-gradient(135deg, #ff5722, var(--k1-primary));
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.7);
            transform: translateY(-1px);
            color: #fff;
            text-decoration: none;
        }

        .navbar-toggler {
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.25rem 0.5rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.4);
            outline: none;
        }

        @media (max-width: 991.98px) {
            .k1-search-wrap {
                display: none;
            }
            .k1-btn-nav-cta {
                margin-top: 0.5rem;
            }
            .navbar-nav {
                padding: 1rem 0;
            }
            .navbar-collapse {
                background: rgba(10,10,10,0.95);
                border-radius: var(--k1-radius-sm);
                padding: 1rem;
                margin-top: 0.5rem;
            }
        }

        /* 文章详细页布局 */
        .article-page {
            min-height: 70vh;
        }

        .article-hero {
            background: linear-gradient(135deg, #1f1a2e 0%, #0d1117 100%);
            padding: 4rem 0 3rem;
            border-bottom: 1px solid var(--k1-border);
            position: relative;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 350px;
            height: 350px;
            background: url('/assets/images/backpic/back-2.png') no-repeat center/contain;
            opacity: 0.08;
            pointer-events: none;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(230, 57, 70, 0.15);
            color: var(--k1-primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.2rem 0.9rem;
            border-radius: 30px;
            margin-bottom: 1rem;
        }

        .article-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.5px;
        }

        .article-meta {
            color: var(--k1-text-muted);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem;
            margin-top: 1rem;
            font-size: 0.9rem;
        }

        .article-content-wrap {
            background: var(--k1-card-bg);
            border-radius: var(--k1-radius);
            padding: 2.5rem;
            box-shadow: var(--k1-shadow);
            border: 1px solid var(--k1-border);
            margin-bottom: 3rem;
            color: #ddd;
            line-height: 1.85;
            font-size: 1.05rem;
        }

        .article-content-wrap h2 {
            color: #fff;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .article-content-wrap h3 {
            color: #fff;
            font-weight: 600;
        }

        .article-content-wrap p {
            margin-bottom: 1.4rem;
        }

        .article-content-wrap img {
            border-radius: var(--k1-radius-sm);
            margin: 1.8rem 0;
        }

        .article-not-found {
            text-align: center;
            padding: 5rem 2rem;
        }

        .article-not-found i {
            font-size: 4rem;
            color: var(--k1-primary);
            margin-bottom: 1rem;
        }

        /* 相关文章卡片 */
        .related-section {
            margin-top: 1rem;
            margin-bottom: 3rem;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.8rem;
            position: relative;
            padding-left: 1.2rem;
            color: #fff;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 12%;
            height: 60%;
            width: 4px;
            background: var(--k1-primary);
            border-radius: 4px;
        }

        .article-card {
            background: var(--k1-card-bg);
            border: 1px solid var(--k1-border);
            border-radius: var(--k1-radius);
            overflow: hidden;
            transition: var(--k1-transition);
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--k1-shadow-hover);
            border-color: var(--k1-primary);
        }

        .article-card .card-img-top {
            height: 180px;
            object-fit: cover;
            background-color: #2a2e3a;
        }

        .article-card .card-body {
            padding: 1.3rem 1.5rem;
        }

        .article-card .card-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .article-card .card-text {
            color: var(--k1-text-muted);
            font-size: 0.85rem;
        }

        .article-card .card-link {
            color: var(--k1-primary);
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* CTA 区块 */
        .k1-cta-band {
            background: linear-gradient(135deg, #1c212e 0%, #0f0f14 100%);
            border-top: 1px solid var(--k1-border);
            border-bottom: 1px solid var(--k1-border);
            padding: 3rem 0;
            text-align: center;
        }

        .k1-btn-primary {
            background: linear-gradient(135deg, var(--k1-primary), #ff5722);
            border: none;
            color: #fff;
            padding: 0.75rem 2.2rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--k1-transition);
            box-shadow: 0 6px 24px rgba(230,57,70,0.5);
        }

        .k1-btn-primary:hover {
            background: linear-gradient(135deg, #ff5722, var(--k1-primary));
            box-shadow: 0 10px 30px rgba(230,57,70,0.8);
            transform: translateY(-2px);
            color: #fff;
        }

        .k1-btn-outline {
            border: 2px solid var(--k1-primary);
            background: transparent;
            color: var(--k1-primary);
            padding: 0.65rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--k1-transition);
        }

        .k1-btn-outline:hover {
            background: var(--k1-primary);
            color: #fff;
        }

        /* 页脚 */
        .k1-footer {
            background: #080808;
            padding: 3rem 0 2rem;
            font-size: 0.9rem;
            border-top: 1px solid var(--k1-border);
        }

        .k1-footer-brand {
            font-weight: 800;
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .k1-footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .k1-footer-links a {
            color: var(--k1-text-muted);
            font-weight: 500;
        }

        .k1-footer-links a:hover {
            color: var(--k1-primary);
        }

        .k1-footer-bottom {
            margin-top: 2rem;
            padding-top: 1.2rem;
            border-top: 1px solid var(--k1-border);
            color: var(--k1-text-muted);
            text-align: center;
            font-size: 0.8rem;
        }

        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
            .article-content-wrap {
                padding: 1.5rem;
            }
            .k1-footer-links {
                flex-direction: column;
                gap: 0.6rem;
            }
        }

/* roulang page: category2 */
:root {
            --k1-primary: #E63946;
            --k1-primary-dark: #C1121F;
            --k1-primary-light: #FF6B6B;
            --k1-accent: #F4A261;
            --k1-accent-warm: #E76F51;
            --k1-dark: #1A1A2E;
            --k1-dark-secondary: #16213E;
            --k1-surface: #FFFFFF;
            --k1-bg: #F8F9FA;
            --k1-bg-alt: #F0F2F5;
            --k1-text: #212529;
            --k1-text-secondary: #6C757D;
            --k1-text-light: #ADB5BD;
            --k1-border: #DEE2E6;
            --k1-border-light: #E9ECEF;
            --k1-radius-sm: 8px;
            --k1-radius: 12px;
            --k1-radius-lg: 16px;
            --k1-radius-xl: 20px;
            --k1-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --k1-shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --k1-shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
            --k1-shadow-xl: 0 20px 48px rgba(0,0,0,0.16), 0 8px 20px rgba(0,0,0,0.08);
            --k1-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --k1-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --k1-section-gap: 5rem;
            --k1-section-gap-sm: 3rem;
            --k1-container-max: 1200px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--k1-text);
            background-color: var(--k1-bg);
            overflow-x: hidden;
            font-size: 16px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--k1-transition-fast);
        }

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--k1-container-max);
        }

        /* ========== 导航栏覆盖样式 ========== */
        .k1-navbar {
            background: var(--k1-surface);
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--k1-border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
            transition: box-shadow var(--k1-transition);
        }

        .k1-navbar .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--k1-dark) !important;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: -0.01em;
            transition: color var(--k1-transition-fast);
        }

        .k1-navbar .navbar-brand:hover {
            color: var(--k1-primary) !important;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--k1-primary), var(--k1-accent-warm));
            color: #fff;
            border-radius: var(--k1-radius-sm);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .k1-navbar .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--k1-text-secondary) !important;
            padding: 0.5rem 1rem !important;
            border-radius: var(--k1-radius-sm);
            transition: all var(--k1-transition-fast);
            position: relative;
        }

        .k1-navbar .nav-link:hover {
            color: var(--k1-dark) !important;
            background: var(--k1-bg-alt);
        }

        .k1-navbar .nav-link.active {
            color: var(--k1-primary) !important;
            background: rgba(230, 57, 70, 0.06);
            font-weight: 600;
        }

        .k1-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--k1-primary);
            border-radius: 2px;
        }

        .k1-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .k1-search-input {
            width: 200px;
            padding: 0.5rem 0.9rem 0.5rem 2.4rem;
            border: 1.5px solid var(--k1-border);
            border-radius: 50px;
            font-size: 0.9rem;
            background: var(--k1-bg-alt);
            color: var(--k1-text);
            transition: all var(--k1-transition-fast);
            outline: none;
        }

        .k1-search-input:focus {
            border-color: var(--k1-primary);
            background: var(--k1-surface);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.08);
            width: 230px;
        }

        .k1-search-input::placeholder {
            color: var(--k1-text-light);
        }

        .k1-search-icon {
            position: absolute;
            left: 14px;
            color: var(--k1-text-secondary);
            font-size: 0.85rem;
            pointer-events: none;
            transition: color var(--k1-transition-fast);
        }

        .k1-search-input:focus ~ .k1-search-icon {
            color: var(--k1-primary);
        }

        .k1-btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.4rem;
            background: linear-gradient(135deg, var(--k1-primary), var(--k1-primary-dark));
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--k1-transition);
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.30);
        }

        .k1-btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.40);
            color: #fff !important;
        }

        .k1-btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.25);
        }

        .navbar-toggler {
            border: none !important;
            padding: 0.4rem 0.6rem;
            color: var(--k1-dark);
            font-size: 1.3rem;
            box-shadow: none !important;
            transition: color var(--k1-transition-fast);
        }

        .navbar-toggler:hover {
            color: var(--k1-primary);
        }

        /* ========== 内页Banner ========== */
        .k1-page-banner {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .k1-page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(22,33,62,0.82) 40%, rgba(230,57,70,0.55) 100%);
            z-index: 1;
        }

        .k1-page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
        }

        .k1-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .k1-breadcrumb a {
            color: rgba(255,255,255,0.85);
            transition: color var(--k1-transition-fast);
        }

        .k1-breadcrumb a:hover {
            color: #fff;
        }

        .k1-breadcrumb .separator {
            color: rgba(255,255,255,0.5);
            font-size: 0.7rem;
        }

        .k1-breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .k1-page-banner .banner-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
            line-height: 1.2;
        }

        .k1-page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            max-width: 580px;
            line-height: 1.6;
        }

        .k1-live-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: #22C55E;
            border-radius: 50%;
            margin-right: 0.4rem;
            animation: k1-pulse-dot 1.8s infinite;
            vertical-align: middle;
        }

        @keyframes k1-pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.6); }
            50% { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
        }

        /* ========== 分类标签栏 ========== */
        .k1-category-tags-section {
            padding: 2rem 0;
            background: var(--k1-surface);
            border-bottom: 1px solid var(--k1-border-light);
            position: sticky;
            top: 66px;
            z-index: 1040;
        }

        .k1-category-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }

        .k1-category-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--k1-transition-fast);
            border: 1.5px solid var(--k1-border);
            background: var(--k1-surface);
            color: var(--k1-text-secondary);
            white-space: nowrap;
            user-select: none;
        }

        .k1-category-tag:hover {
            border-color: var(--k1-primary-light);
            color: var(--k1-primary);
            background: rgba(230,57,70,0.03);
        }

        .k1-category-tag.active {
            background: var(--k1-primary);
            color: #fff;
            border-color: var(--k1-primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(230,57,70,0.25);
        }

        /* ========== 头条文章区 ========== */
        .k1-headline-section {
            padding: var(--k1-section-gap) 0;
        }

        .k1-headline-card {
            position: relative;
            border-radius: var(--k1-radius-lg);
            overflow: hidden;
            background: var(--k1-surface);
            box-shadow: var(--k1-shadow-lg);
            display: flex;
            flex-direction: row;
            min-height: 320px;
            transition: box-shadow var(--k1-transition), transform var(--k1-transition);
        }

        .k1-headline-card:hover {
            box-shadow: var(--k1-shadow-xl);
            transform: translateY(-2px);
        }

        .k1-headline-card .headline-image {
            flex: 0 0 48%;
            position: relative;
            overflow: hidden;
            min-height: 280px;
        }

        .k1-headline-card .headline-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
        }

        .k1-headline-card:hover .headline-image img {
            transform: scale(1.04);
        }

        .k1-headline-card .headline-body {
            flex: 1;
            padding: 2.2rem 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .k1-badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.25rem 0.7rem;
            background: linear-gradient(135deg, #FF4D2E, #E63946);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 50px;
            margin-bottom: 0.8rem;
            width: fit-content;
            letter-spacing: 0.02em;
        }

        .k1-badge-hot i {
            font-size: 0.65rem;
        }

        .k1-headline-card .headline-category {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--k1-primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 0.5rem;
        }

        .k1-headline-card .headline-title {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--k1-dark);
            line-height: 1.35;
            margin-bottom: 0.8rem;
            letter-spacing: -0.01em;
        }

        .k1-headline-card .headline-excerpt {
            font-size: 0.95rem;
            color: var(--k1-text-secondary);
            line-height: 1.7;
            margin-bottom: 1.2rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .k1-headline-card .headline-meta {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            font-size: 0.85rem;
            color: var(--k1-text-light);
        }

        .k1-headline-card .headline-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .k1-btn-outline-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.5rem;
            border: 2px solid var(--k1-primary);
            color: var(--k1-primary);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 50px;
            background: transparent;
            transition: all var(--k1-transition);
            width: fit-content;
        }

        .k1-btn-outline-primary:hover {
            background: var(--k1-primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(230,57,70,0.30);
        }

        /* ========== 文章网格区 ========== */
        .k1-articles-section {
            padding: var(--k1-section-gap) 0;
            background: var(--k1-bg-alt);
        }

        .k1-section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .k1-section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--k1-dark);
            letter-spacing: -0.01em;
            position: relative;
            padding-left: 1.1rem;
        }

        .k1-section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--k1-primary);
            border-radius: 2px;
        }

        .k1-section-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--k1-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: color var(--k1-transition-fast);
        }

        .k1-section-link:hover {
            color: var(--k1-primary-dark);
        }

        .k1-article-card {
            background: var(--k1-surface);
            border-radius: var(--k1-radius);
            overflow: hidden;
            box-shadow: var(--k1-shadow-sm);
            transition: all var(--k1-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--k1-border-light);
        }

        .k1-article-card:hover {
            box-shadow: var(--k1-shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .k1-article-card .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .k1-article-card .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s cubic-bezier(0.4,0,0.2,1);
        }

        .k1-article-card:hover .card-image-wrap img {
            transform: scale(1.06);
        }

        .k1-article-card .card-category-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.25rem 0.8rem;
            background: rgba(26,26,46,0.78);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            z-index: 2;
            backdrop-filter: blur(6px);
            letter-spacing: 0.02em;
        }

        .k1-article-card .card-body-content {
            padding: 1.3rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .k1-article-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--k1-dark);
            line-height: 1.4;
            margin-bottom: 0.6rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            letter-spacing: -0.005em;
        }

        .k1-article-card .card-excerpt {
            font-size: 0.85rem;
            color: var(--k1-text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .k1-article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--k1-text-light);
            padding-top: 0.8rem;
            border-top: 1px solid var(--k1-border-light);
        }

        /* ========== 热门排行区 ========== */
        .k1-hot-ranking-section {
            padding: var(--k1-section-gap) 0;
            background: var(--k1-surface);
        }

        .k1-ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .k1-ranking-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.2rem;
            border-radius: var(--k1-radius-sm);
            transition: all var(--k1-transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .k1-ranking-item:hover {
            background: var(--k1-bg-alt);
            border-color: var(--k1-border-light);
        }

        .k1-ranking-item .rank-number {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--k1-radius-sm);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--k1-text-secondary);
            background: var(--k1-bg-alt);
            transition: all var(--k1-transition-fast);
        }

        .k1-ranking-item:nth-child(1) .rank-number {
            background: linear-gradient(135deg, #FFD700, #F4A261);
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 2px 8px rgba(244,162,97,0.35);
        }
        .k1-ranking-item:nth-child(2) .rank-number {
            background: linear-gradient(135deg, #C0C0C0, #9CA3AF);
            color: #fff;
            box-shadow: 0 2px 6px rgba(156,163,175,0.30);
        }
        .k1-ranking-item:nth-child(3) .rank-number {
            background: linear-gradient(135deg, #CD7F32, #B45309);
            color: #fff;
            box-shadow: 0 2px 6px rgba(180,83,9,0.30);
        }

        .k1-ranking-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .k1-ranking-item .rank-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--k1-dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color var(--k1-transition-fast);
        }

        .k1-ranking-item:hover .rank-title {
            color: var(--k1-primary);
        }

        .k1-ranking-item .rank-views {
            font-size: 0.78rem;
            color: var(--k1-text-light);
            flex-shrink: 0;
        }

        /* ========== 实时快讯区 ========== */
        .k1-flash-news-section {
            padding: var(--k1-section-gap) 0;
            background: var(--k1-dark);
        }

        .k1-flash-news-section .k1-section-title {
            color: #fff;
        }

        .k1-flash-news-section .k1-section-title::before {
            background: var(--k1-accent);
        }

        .k1-flash-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }

        .k1-flash-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(255,255,255,0.12);
            border-radius: 1px;
        }

        .k1-flash-item {
            position: relative;
            padding-left: 2.2rem;
            padding-bottom: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
        }

        .k1-flash-item:last-child {
            padding-bottom: 0;
        }

        .k1-flash-item::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 7px;
            width: 10px;
            height: 10px;
            background: var(--k1-accent);
            border-radius: 50%;
            border: 2px solid var(--k1-dark);
            z-index: 1;
            box-shadow: 0 0 0 4px rgba(244,162,97,0.18);
        }

        .k1-flash-item .flash-time {
            font-size: 0.78rem;
            color: var(--k1-accent);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .k1-flash-item .flash-content {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.85);
            line-height: 1.6;
            transition: color var(--k1-transition-fast);
        }

        .k1-flash-item:hover .flash-content {
            color: #fff;
        }

        /* ========== 订阅CTA ========== */
        .k1-subscribe-section {
            padding: var(--k1-section-gap) 0;
            background: var(--k1-bg-alt);
        }

        .k1-subscribe-card {
            background: linear-gradient(135deg, var(--k1-primary), var(--k1-dark-secondary));
            border-radius: var(--k1-radius-xl);
            padding: 3.5rem 3rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--k1-shadow-xl);
        }

        .k1-subscribe-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .k1-subscribe-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(255,255,255,0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .k1-subscribe-card .subscribe-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
            letter-spacing: -0.01em;
        }

        .k1-subscribe-card .subscribe-desc {
            font-size: 1rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .k1-subscribe-form {
            display: flex;
            gap: 0.8rem;
            max-width: 460px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }

        .k1-subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.75rem 1.2rem;
            border-radius: 50px;
            border: 2px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--k1-transition-fast);
            backdrop-filter: blur(4px);
        }

        .k1-subscribe-form input::placeholder {
            color: rgba(255,255,255,0.55);
        }

        .k1-subscribe-form input:focus {
            border-color: #fff;
            background: rgba(255,255,255,0.16);
            box-shadow: 0 0 0 4px rgba(255,255,255,0.08);
        }

        .k1-btn-subscribe {
            padding: 0.75rem 2rem;
            background: #fff;
            color: var(--k1-primary);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 50px;
            transition: all var(--k1-transition);
            white-space: nowrap;
            border: 2px solid #fff;
        }

        .k1-btn-subscribe:hover {
            background: transparent;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.20);
        }

        .k1-btn-subscribe:active {
            transform: translateY(0);
        }

        /* ========== 页脚 ========== */
        .k1-footer {
            background: var(--k1-dark);
            color: rgba(255,255,255,0.75);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .k1-footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        .k1-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
        }

        .k1-footer-links a {
            color: rgba(255,255,255,0.65);
            transition: color var(--k1-transition-fast);
            font-weight: 500;
        }

        .k1-footer-links a:hover {
            color: #fff;
        }

        .k1-footer-bottom {
            margin-top: 2rem;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --k1-section-gap: 3.5rem;
                --k1-section-gap-sm: 2.5rem;
            }

            .k1-headline-card {
                flex-direction: column;
                min-height: auto;
            }

            .k1-headline-card .headline-image {
                flex: 0 0 auto;
                aspect-ratio: 16 / 9;
                min-height: auto;
            }

            .k1-headline-card .headline-body {
                padding: 1.5rem 1.8rem;
            }

            .k1-headline-card .headline-title {
                font-size: 1.3rem;
            }

            .k1-page-banner .banner-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --k1-section-gap: 2.8rem;
                --k1-section-gap-sm: 2rem;
            }

            .k1-navbar {
                padding: 0.5rem 0;
            }

            .k1-search-wrap {
                width: 100%;
                margin: 0.5rem 0;
            }

            .k1-search-input {
                width: 100%;
            }

            .k1-search-input:focus {
                width: 100%;
            }

            .k1-btn-nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 0.4rem;
            }

            .k1-page-banner {
                min-height: 240px;
            }

            .k1-page-banner .banner-title {
                font-size: 1.7rem;
            }

            .k1-page-banner .banner-subtitle {
                font-size: 0.9rem;
            }

            .k1-category-tags-section {
                top: 56px;
                padding: 1.2rem 0;
            }

            .k1-category-tag {
                font-size: 0.8rem;
                padding: 0.4rem 0.9rem;
            }

            .k1-headline-card .headline-body {
                padding: 1.2rem 1.3rem;
            }

            .k1-headline-card .headline-title {
                font-size: 1.15rem;
            }

            .k1-headline-card .headline-excerpt {
                font-size: 0.85rem;
                -webkit-line-clamp: 2;
            }

            .k1-section-title {
                font-size: 1.35rem;
            }

            .k1-article-card .card-title {
                font-size: 0.95rem;
            }

            .k1-subscribe-card {
                padding: 2.5rem 1.5rem;
            }

            .k1-subscribe-card .subscribe-title {
                font-size: 1.4rem;
            }

            .k1-subscribe-form {
                flex-direction: column;
                align-items: center;
            }

            .k1-subscribe-form input {
                width: 100%;
            }

            .k1-btn-subscribe {
                width: 100%;
                text-align: center;
            }

            .k1-footer-links {
                gap: 0.8rem;
                flex-direction: column;
            }

            .k1-flash-list::before {
                left: 8px;
            }

            .k1-flash-item {
                padding-left: 1.8rem;
            }

            .k1-flash-item::before {
                left: 4px;
                width: 8px;
                height: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --k1-section-gap: 2.2rem;
                --k1-section-gap-sm: 1.6rem;
            }

            .k1-navbar .navbar-brand {
                font-size: 1.15rem;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }

            .k1-page-banner {
                min-height: 200px;
            }

            .k1-page-banner .banner-title {
                font-size: 1.4rem;
            }

            .k1-category-tags {
                gap: 0.4rem;
            }

            .k1-category-tag {
                font-size: 0.75rem;
                padding: 0.35rem 0.7rem;
            }

            .k1-section-title {
                font-size: 1.2rem;
            }

            .k1-subscribe-card {
                padding: 2rem 1rem;
                border-radius: var(--k1-radius-lg);
            }

            .k1-subscribe-card .subscribe-title {
                font-size: 1.2rem;
            }

            .k1-headline-card .headline-meta {
                flex-wrap: wrap;
                gap: 0.6rem;
            }
        }

        @media (min-width: 1400px) {
            .k1-page-banner {
                min-height: 380px;
            }
        }

        /* 辅助动画 */
        @keyframes k1-fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .k1-animate-in {
            animation: k1-fadeInUp 0.5s cubic-bezier(0.4,0,0.2,1) forwards;
        }

/* roulang page: category3 */
:root {
            --k1-primary: #FF4D2D;
            --k1-primary-dark: #D93A1E;
            --k1-primary-light: #FF7A5C;
            --k1-secondary: #1A1A2E;
            --k1-accent: #00C9A7;
            --k1-accent-light: #00E6BF;
            --k1-gold: #FFB800;
            --k1-body-bg: #F8F9FB;
            --k1-surface: #FFFFFF;
            --k1-text: #1E1E24;
            --k1-text-weak: #6B7280;
            --k1-text-muted: #9CA3AF;
            --k1-border: #E5E7EB;
            --k1-border-light: #F0F1F3;
            --k1-radius-sm: 8px;
            --k1-radius: 12px;
            --k1-radius-lg: 16px;
            --k1-radius-xl: 20px;
            --k1-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --k1-shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --k1-shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 4px 10px rgba(0,0,0,0.06);
            --k1-shadow-glow: 0 0 0 4px rgba(255,77,45,0.15);
            --k1-transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --k1-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

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

        body {
            font-family: var(--k1-font-stack);
            background-color: var(--k1-body-bg);
            color: var(--k1-text);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--k1-transition);
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== NAVBAR ========== */
        .k1-navbar {
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--k1-border-light);
            padding: 10px 0;
            box-shadow: 0 1px 8px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: all var(--k1-transition);
        }

        .k1-navbar .navbar-brand {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--k1-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .k1-navbar .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--k1-radius-sm);
            background: linear-gradient(135deg, var(--k1-primary) 0%, var(--k1-primary-light) 100%);
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .k1-navbar .navbar-nav .nav-link {
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--k1-text-weak);
            padding: 8px 16px;
            border-radius: var(--k1-radius-sm);
            transition: all var(--k1-transition);
            position: relative;
        }

        .k1-navbar .navbar-nav .nav-link:hover {
            color: var(--k1-primary);
            background: rgba(255,77,45,0.05);
        }

        .k1-navbar .navbar-nav .nav-link.active {
            color: var(--k1-primary);
            background: rgba(255,77,45,0.08);
            font-weight: 600;
        }

        .k1-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .k1-search-input {
            width: 200px;
            padding: 9px 38px 9px 16px;
            border: 1.5px solid var(--k1-border);
            border-radius: 24px;
            font-size: 0.875rem;
            background: var(--k1-body-bg);
            color: var(--k1-text);
            transition: all var(--k1-transition);
            outline: none;
        }

        .k1-search-input:focus {
            border-color: var(--k1-primary);
            box-shadow: var(--k1-shadow-glow);
            width: 240px;
            background: #fff;
        }

        .k1-search-icon {
            position: absolute;
            right: 14px;
            color: var(--k1-text-muted);
            font-size: 0.85rem;
            pointer-events: none;
            transition: color var(--k1-transition);
        }

        .k1-search-input:focus ~ .k1-search-icon {
            color: var(--k1-primary);
        }

        .k1-btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 20px;
            background: linear-gradient(135deg, var(--k1-primary) 0%, var(--k1-primary-dark) 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.875rem;
            border-radius: 24px;
            border: none;
            white-space: nowrap;
            transition: all var(--k1-transition);
            box-shadow: 0 4px 14px rgba(255,77,45,0.3);
        }

        .k1-btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--k1-primary-dark) 0%, #C42810 100%);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255,77,45,0.4);
            transform: translateY(-1px);
        }

        .k1-btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255,77,45,0.3);
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--k1-text);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--k1-primary);
            outline-offset: 2px;
            border-radius: var(--k1-radius-sm);
        }

        /* ========== HERO ========== */
        .k1-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 460px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .k1-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.65) 50%, rgba(255,77,45,0.35) 100%);
            z-index: 1;
        }

        .k1-hero .container {
            position: relative;
            z-index: 2;
        }

        .k1-hero-content {
            max-width: 680px;
            padding: 60px 0;
        }

        .k1-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 20px;
            color: #fff;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
        }

        .k1-hero-badge i {
            color: var(--k1-gold);
            margin-right: 6px;
        }

        .k1-hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .k1-hero-title span {
            color: var(--k1-primary-light);
            position: relative;
        }

        .k1-hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .k1-hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .k1-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--k1-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 28px;
            border: none;
            transition: all var(--k1-transition);
            box-shadow: 0 6px 20px rgba(255,77,45,0.35);
            cursor: pointer;
        }

        .k1-btn-primary:hover {
            background: var(--k1-primary-dark);
            color: #fff;
            box-shadow: 0 8px 26px rgba(255,77,45,0.45);
            transform: translateY(-2px);
        }

        .k1-btn-primary:active {
            transform: translateY(0);
        }

        .k1-btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 28px;
            border: 2px solid rgba(255,255,255,0.5);
            transition: all var(--k1-transition);
            cursor: pointer;
        }

        .k1-btn-outline-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== LIVE STATUS BAR ========== */
        .k1-live-bar {
            background: var(--k1-secondary);
            padding: 16px 0;
            border-bottom: 3px solid var(--k1-primary);
        }

        .k1-live-bar-inner {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .k1-live-dot {
            width: 10px;
            height: 10px;
            background: var(--k1-accent);
            border-radius: 50%;
            animation: k1-pulse 2s infinite;
            flex-shrink: 0;
        }

        @keyframes k1-pulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(0,201,167,0.6); }
            50% { box-shadow: 0 0 0 10px rgba(0,201,167,0); }
        }

        .k1-live-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }

        .k1-live-stat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--k1-accent-light);
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 6px;
        }

        .k1-live-sep {
            color: rgba(255,255,255,0.3);
            margin: 0 8px;
        }

        .k1-live-bar .k1-btn-sm {
            margin-left: auto;
            padding: 7px 18px;
            background: var(--k1-accent);
            color: #fff;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: none;
            transition: all var(--k1-transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .k1-live-bar .k1-btn-sm:hover {
            background: var(--k1-accent-light);
            color: #fff;
            box-shadow: 0 4px 14px rgba(0,201,167,0.4);
            transform: translateY(-1px);
        }

        /* ========== SECTION COMMON ========== */
        .k1-section {
            padding: 64px 0;
        }

        .k1-section-dark {
            background: var(--k1-secondary);
            color: #fff;
            padding: 64px 0;
        }

        .k1-section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .k1-section-label {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(255,77,45,0.1);
            color: var(--k1-primary);
            font-weight: 600;
            font-size: 0.8rem;
            border-radius: 16px;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .k1-section-dark .k1-section-label {
            background: rgba(255,255,255,0.1);
            color: var(--k1-primary-light);
        }

        .k1-section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--k1-text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .k1-section-dark .k1-section-title {
            color: #fff;
        }

        .k1-section-subtitle {
            font-size: 1rem;
            color: var(--k1-text-weak);
            max-width: 560px;
            margin: 0 auto;
        }

        .k1-section-dark .k1-section-subtitle {
            color: rgba(255,255,255,0.7);
        }

        /* ========== CARDS ========== */
        .k1-card {
            background: var(--k1-surface);
            border-radius: var(--k1-radius-lg);
            overflow: hidden;
            border: 1px solid var(--k1-border-light);
            transition: all var(--k1-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .k1-card:hover {
            box-shadow: var(--k1-shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .k1-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0f0f0;
        }

        .k1-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .k1-card:hover .k1-card-img-wrap img {
            transform: scale(1.06);
        }

        .k1-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: var(--k1-primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            border-radius: 14px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .k1-card-badge.accent {
            background: var(--k1-accent);
        }

        .k1-card-badge.gold {
            background: var(--k1-gold);
            color: #1A1A2E;
        }

        .k1-card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .k1-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--k1-text);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .k1-card-desc {
            font-size: 0.85rem;
            color: var(--k1-text-weak);
            line-height: 1.55;
            margin-bottom: 14px;
            flex: 1;
        }

        .k1-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--k1-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--k1-border-light);
        }

        .k1-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .k1-card-meta i {
            color: var(--k1-primary);
            font-size: 0.7rem;
        }

        .k1-card-footer-action {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 10px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--k1-primary);
            transition: gap var(--k1-transition);
        }

        .k1-card:hover .k1-card-footer-action {
            gap: 9px;
        }

        /* ========== RANKING TABLE ========== */
        .k1-ranking-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 8px;
        }

        .k1-ranking-table tr {
            background: var(--k1-surface);
            border-radius: var(--k1-radius);
            transition: all var(--k1-transition);
            box-shadow: var(--k1-shadow-sm);
        }

        .k1-ranking-table tr:hover {
            box-shadow: var(--k1-shadow);
            transform: translateX(4px);
        }

        .k1-ranking-table td {
            padding: 15px 18px;
            vertical-align: middle;
            font-size: 0.9rem;
        }

        .k1-rank-num {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            border-radius: 50%;
            color: var(--k1-text-weak);
            background: var(--k1-body-bg);
        }

        .k1-ranking-table tr:nth-child(1) .k1-rank-num {
            background: linear-gradient(135deg, #FFB800, #FF9500);
            color: #fff;
        }
        .k1-ranking-table tr:nth-child(2) .k1-rank-num {
            background: linear-gradient(135deg, #A0AAB5, #7B8794);
            color: #fff;
        }
        .k1-ranking-table tr:nth-child(3) .k1-rank-num {
            background: linear-gradient(135deg, #CD7F32, #A0522D);
            color: #fff;
        }

        .k1-rank-course {
            font-weight: 600;
            color: var(--k1-text);
        }

        .k1-rank-heat {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .k1-heat-bar {
            flex: 1;
            height: 8px;
            background: var(--k1-border-light);
            border-radius: 4px;
            overflow: hidden;
            max-width: 120px;
        }

        .k1-heat-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--k1-primary-light), var(--k1-primary));
            border-radius: 4px;
            transition: width 0.6s ease;
        }

        /* ========== SCHEDULE ========== */
        .k1-schedule-card {
            background: var(--k1-surface);
            border-radius: var(--k1-radius-lg);
            padding: 24px;
            border: 1px solid var(--k1-border-light);
            box-shadow: var(--k1-shadow-sm);
        }

        .k1-schedule-row {
            display: flex;
            align-items: center;
            padding: 14px 16px;
            border-radius: var(--k1-radius-sm);
            margin-bottom: 6px;
            transition: all var(--k1-transition);
            gap: 14px;
            flex-wrap: wrap;
        }

        .k1-schedule-row:hover {
            background: rgba(255,77,45,0.04);
        }

        .k1-schedule-time {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--k1-primary);
            min-width: 110px;
            white-space: nowrap;
        }

        .k1-schedule-course {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--k1-text);
            flex: 1;
            min-width: 100px;
        }

        .k1-schedule-instructor {
            font-size: 0.82rem;
            color: var(--k1-text-weak);
            min-width: 60px;
        }

        .k1-schedule-slots {
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 14px;
            white-space: nowrap;
        }

        .k1-schedule-slots.available {
            background: rgba(0,201,167,0.1);
            color: #008A72;
        }

        .k1-schedule-slots.full {
            background: rgba(255,77,45,0.1);
            color: var(--k1-primary);
        }

        /* ========== STATS ========== */
        .k1-stat-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255,255,255,0.06);
            border-radius: var(--k1-radius-lg);
            border: 1px solid rgba(255,255,255,0.1);
            transition: all var(--k1-transition);
        }

        .k1-stat-card:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-3px);
        }

        .k1-stat-icon {
            font-size: 2.2rem;
            color: var(--k1-primary-light);
            margin-bottom: 12px;
        }

        .k1-stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .k1-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
        }

        /* ========== FAQ ACCORDION ========== */
        .k1-accordion .accordion-item {
            border: 1px solid var(--k1-border-light);
            border-radius: var(--k1-radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--k1-surface);
            box-shadow: var(--k1-shadow-sm);
        }

        .k1-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--k1-text);
            padding: 18px 22px;
            background: var(--k1-surface);
            box-shadow: none;
            border-radius: var(--k1-radius) !important;
            transition: all var(--k1-transition);
        }

        .k1-accordion .accordion-button:not(.collapsed) {
            color: var(--k1-primary);
            background: rgba(255,77,45,0.03);
            box-shadow: none;
        }

        .k1-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255,77,45,0.12);
            border-color: var(--k1-primary);
        }

        .k1-accordion .accordion-button::after {
            filter: brightness(0.4);
            transition: transform var(--k1-transition);
        }

        .k1-accordion .accordion-body {
            padding: 16px 22px 20px;
            font-size: 0.9rem;
            color: var(--k1-text-weak);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .k1-cta-section {
            background: linear-gradient(135deg, var(--k1-primary) 0%, var(--k1-primary-dark) 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .k1-cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255,255,255,0.06);
            border-radius: 50%;
            top: -80px;
            right: -60px;
            pointer-events: none;
        }

        .k1-cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.04);
            border-radius: 50%;
            bottom: -40px;
            left: -40px;
            pointer-events: none;
        }

        .k1-cta-section .container {
            position: relative;
            z-index: 2;
        }

        .k1-cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .k1-cta-desc {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .k1-btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            background: #fff;
            color: var(--k1-primary);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 28px;
            border: none;
            transition: all var(--k1-transition);
            box-shadow: 0 6px 20px rgba(0,0,0,0.2);
            cursor: pointer;
        }

        .k1-btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0,0,0,0.28);
            color: var(--k1-primary-dark);
        }

        .k1-btn-white:active {
            transform: translateY(0);
        }

        /* ========== FOOTER ========== */
        .k1-footer {
            background: var(--k1-secondary);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .k1-footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
        }

        .k1-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
        }

        .k1-footer-links a {
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            transition: color var(--k1-transition);
        }

        .k1-footer-links a:hover {
            color: var(--k1-primary-light);
        }

        .k1-footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.12);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255,255,255,0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .k1-hero-title {
                font-size: 2.4rem;
            }
            .k1-hero-content {
                padding: 44px 0;
            }
            .k1-hero {
                min-height: 380px;
            }
            .k1-section {
                padding: 48px 0;
            }
            .k1-section-dark {
                padding: 48px 0;
            }
            .k1-section-title {
                font-size: 1.7rem;
            }
            .k1-stat-number {
                font-size: 2rem;
            }
            .k1-search-input {
                width: 150px;
            }
            .k1-search-input:focus {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .k1-navbar .navbar-collapse {
                background: #fff;
                padding: 16px;
                border-radius: var(--k1-radius);
                margin-top: 10px;
                box-shadow: var(--k1-shadow-lg);
                border: 1px solid var(--k1-border-light);
            }
            .k1-navbar .navbar-nav {
                gap: 2px;
            }
            .k1-navbar .d-flex.align-items-center.gap-3 {
                flex-direction: column;
                align-items: stretch !important;
                margin-top: 12px;
                gap: 10px !important;
            }
            .k1-search-input {
                width: 100%;
            }
            .k1-search-input:focus {
                width: 100%;
            }
            .k1-search-wrap {
                width: 100%;
            }
            .k1-btn-nav-cta {
                justify-content: center;
                text-align: center;
            }
            .k1-hero {
                min-height: 340px;
            }
            .k1-hero-title {
                font-size: 1.9rem;
            }
            .k1-hero-desc {
                font-size: 0.95rem;
            }
            .k1-hero-content {
                padding: 36px 0;
            }
            .k1-section {
                padding: 38px 0;
            }
            .k1-section-dark {
                padding: 38px 0;
            }
            .k1-section-title {
                font-size: 1.45rem;
            }
            .k1-card-body {
                padding: 14px;
            }
            .k1-card-title {
                font-size: 0.95rem;
            }
            .k1-ranking-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .k1-schedule-time {
                min-width: 90px;
                font-size: 0.8rem;
            }
            .k1-schedule-row {
                gap: 8px;
                padding: 10px 12px;
            }
            .k1-stat-number {
                font-size: 1.7rem;
            }
            .k1-cta-title {
                font-size: 1.5rem;
            }
            .k1-live-bar-inner {
                justify-content: center;
                text-align: center;
            }
            .k1-live-bar .k1-btn-sm {
                margin-left: 0;
            }
        }

        @media (max-width: 520px) {
            .k1-navbar .navbar-brand {
                font-size: 1.05rem;
            }
            .k1-navbar .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
            }
            .k1-hero {
                min-height: 300px;
            }
            .k1-hero-title {
                font-size: 1.5rem;
            }
            .k1-hero-desc {
                font-size: 0.85rem;
            }
            .k1-hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .k1-hero-btns .k1-btn-primary,
            .k1-hero-btns .k1-btn-outline-light {
                text-align: center;
                justify-content: center;
                width: 100%;
            }
            .k1-section {
                padding: 30px 0;
            }
            .k1-section-dark {
                padding: 30px 0;
            }
            .k1-section-title {
                font-size: 1.25rem;
            }
            .k1-section-subtitle {
                font-size: 0.85rem;
            }
            .k1-card-img-wrap {
                aspect-ratio: 16 / 9;
            }
            .k1-ranking-table td {
                padding: 8px 8px;
                font-size: 0.72rem;
            }
            .k1-rank-num {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .k1-heat-bar {
                max-width: 60px;
                height: 6px;
            }
            .k1-schedule-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .k1-schedule-time {
                min-width: auto;
            }
            .k1-stat-number {
                font-size: 1.4rem;
            }
            .k1-stat-icon {
                font-size: 1.6rem;
            }
            .k1-stat-card {
                padding: 20px 14px;
            }
            .k1-cta-title {
                font-size: 1.25rem;
            }
            .k1-cta-desc {
                font-size: 0.9rem;
            }
            .k1-btn-white {
                padding: 11px 24px;
                font-size: 0.85rem;
            }
            .k1-footer-links {
                gap: 6px 16px;
            }
            .k1-footer {
                padding: 32px 0 18px;
            }
        }