/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #ff6b35;
            --primary-dark: #e55a2b;
            --primary-light: #ff8a5c;
            --secondary: #00d4aa;
            --secondary-dark: #00b894;
            --accent: #ffd93d;
            --bg-dark: #0b0b1a;
            --bg-card: #13132b;
            --bg-card-hover: #1a1a3a;
            --bg-section-alt: #0f0f24;
            --text-white: #f0f0f8;
            --text-light: #c8c8e0;
            --text-muted: #8888aa;
            --border-color: rgba(255, 107, 53, 0.15);
            --border-hover: rgba(255, 107, 53, 0.35);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(255, 107, 53, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        ::selection {
            background: rgba(255, 107, 53, 0.35);
            color: #fff;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Section ===== */
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

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

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 0.75rem;
            color: var(--text-white);
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 1rem auto 1.5rem;
        }

        /* ===== Header / Nav ===== */
        .navbar {
            padding: 0.8rem 0;
            background: rgba(11, 11, 26, 0.92) !important;
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(255, 107, 53, 0.08);
            transition: var(--transition);
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .navbar-brand {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text-white) !important;
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0;
            margin: 0;
        }

        .navbar-brand .brand-icon {
            font-size: 1.8rem;
            color: var(--primary);
        }

        .navbar-brand .brand-highlight {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }

        .navbar-nav .nav-item .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-item .nav-link:hover {
            color: var(--text-white) !important;
            background: rgba(255, 107, 53, 0.08);
        }

        .navbar-nav .nav-item .nav-link.active {
            color: var(--text-white) !important;
            background: rgba(255, 107, 53, 0.15);
        }

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

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15) !important;
            padding: 0.4rem 0.6rem;
            background: transparent !important;
            color: var(--text-white) !important;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.25) !important;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 6rem 1.5rem 4rem;
            background: linear-gradient(160deg, #0b0b1a 0%, #16163a 50%, #0f0f24 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 70%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 60%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(0, 212, 170, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-particles {
            position: absolute;
            inset: 0;
            overflow: hidden;
            pointer-events: none;
        }

        .hero-particles span {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 107, 53, 0.25);
            border-radius: 50%;
            animation: floatUp 20s infinite linear;
        }

        .hero-particles span:nth-child(1) {
            left: 10%;
            animation-delay: 0s;
            animation-duration: 25s;
        }
        .hero-particles span:nth-child(2) {
            left: 25%;
            animation-delay: 2s;
            animation-duration: 18s;
            width: 6px;
            height: 6px;
        }
        .hero-particles span:nth-child(3) {
            left: 45%;
            animation-delay: 4s;
            animation-duration: 22s;
        }
        .hero-particles span:nth-child(4) {
            left: 65%;
            animation-delay: 1s;
            animation-duration: 20s;
            width: 3px;
            height: 3px;
        }
        .hero-particles span:nth-child(5) {
            left: 80%;
            animation-delay: 3s;
            animation-duration: 26s;
            width: 5px;
            height: 5px;
        }
        .hero-particles span:nth-child(6) {
            left: 90%;
            animation-delay: 5s;
            animation-duration: 19s;
        }
        .hero-particles span:nth-child(7) {
            left: 35%;
            animation-delay: 6s;
            animation-duration: 24s;
            width: 3px;
            height: 3px;
        }
        .hero-particles span:nth-child(8) {
            left: 55%;
            animation-delay: 2.5s;
            animation-duration: 21s;
            width: 5px;
            height: 5px;
        }

        @keyframes floatUp {
            0% {
                transform: translateY(100vh) scale(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-20vh) scale(1);
                opacity: 0;
            }
        }

        .hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 107, 53, 0.12);
            border: 1px solid rgba(255, 107, 53, 0.2);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 1.5rem;
            font-weight: 500;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero h1 {
            font-size: 3.8rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.12;
            margin-bottom: 1.2rem;
            color: var(--text-white);
        }

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

        .hero p {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            align-items: center;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            justify-content: center;
            margin-top: 3rem;
            flex-wrap: wrap;
        }

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

        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.15rem;
        }

        /* ===== Buttons ===== */
        .btn {
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: none;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            cursor: pointer;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 107, 53, 0.45);
            color: #fff;
        }

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

        .btn-outline-custom {
            background: transparent;
            color: var(--text-white);
            border: 1.5px solid rgba(255, 255, 255, 0.2);
        }

        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--text-white);
            background: rgba(255, 107, 53, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline-custom:active {
            transform: translateY(0);
        }

        .btn-secondary-custom {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #0b0b1a;
            box-shadow: 0 4px 20px rgba(0, 212, 170, 0.25);
        }

        .btn-secondary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 212, 170, 0.4);
            color: #0b0b1a;
        }

        .btn-sm-custom {
            padding: 0.45rem 1.2rem;
            font-size: 0.82rem;
            border-radius: 6px;
        }

        /* ===== Features / 核心说明 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
            margin-top: 2rem;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2.2rem 1.8rem;
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .feature-card .icon {
            font-size: 2.6rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
            display: inline-block;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--text-white);
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Category Cards / 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
            margin-top: 2rem;
        }

        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2rem 1.8rem;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

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

        .category-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .category-card .cat-icon {
            font-size: 2.4rem;
            color: var(--secondary);
            margin-bottom: 1rem;
        }

        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .category-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 1.2rem;
        }

        .category-card .cat-tag {
            display: inline-block;
            padding: 0.2rem 0.9rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 107, 53, 0.12);
            color: var(--primary-light);
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 1.6rem 1.8rem;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
        }

        .news-card .news-meta .cat-badge {
            background: rgba(0, 212, 170, 0.12);
            color: var(--secondary);
            padding: 0.15rem 0.7rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.7rem;
        }

        .news-card .news-meta .date {
            color: var(--text-muted);
        }

        .news-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }

        .news-card h4 a {
            color: var(--text-white);
        }
        .news-card h4 a:hover {
            color: var(--primary-light);
        }

        .news-card .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0.8rem;
            flex-grow: 1;
        }

        .news-card .news-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            align-self: flex-start;
        }

        .news-card .news-link:hover {
            color: var(--primary-light);
            gap: 0.6rem;
        }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border-color);
        }

        .news-empty i {
            font-size: 2.5rem;
            color: var(--text-muted);
            margin-bottom: 0.8rem;
            display: block;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 0.8rem;
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--text-white);
            letter-spacing: -0.03em;
            line-height: 1.2;
        }

        .stat-card .stat-number .suffix {
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 700;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 0.3rem;
        }

        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
            margin-top: 2rem;
            position: relative;
        }

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 2.5rem;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
            opacity: 0.2;
        }

        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-card .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
        }

        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 2rem auto 0;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-hover);
        }

        .faq-question {
            padding: 1.2rem 1.6rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            gap: 1rem;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 1.6rem 1.2rem;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }

        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #16163a, #0b0b1a);
            border-radius: var(--radius-lg);
            padding: 4rem 3rem;
            text-align: center;
            border: 1px solid rgba(255, 107, 53, 0.1);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .footer {
            background: #08081a;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 3.5rem 0 2rem;
            margin-top: var(--spacing-section);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-brand .footer-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .footer-brand .footer-logo .brand-highlight {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 3px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 1.5rem;
        }

        .footer-bottom .footer-links a {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        /* ===== Scroll to top ===== */
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            cursor: pointer;
            z-index: 999;
            border: none;
        }

        .scroll-top.show {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(255, 107, 53, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 3rem;
            }
            .features-grid,
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
            .steps-grid::before {
                display: none;
            }
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3rem;
            }

            .hero {
                min-height: 70vh;
                padding: 5rem 1rem 3rem;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 1.5rem;
            }

            .hero-stat .num {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .section-subtitle {
                font-size: 0.95rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            .category-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .stat-card .stat-number {
                font-size: 2rem;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }

            .cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius);
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .navbar-brand {
                font-size: 1.3rem;
            }

            .navbar-nav {
                gap: 0;
                padding-top: 0.8rem;
            }

            .navbar-nav .nav-item .nav-link {
                padding: 0.5rem 0.8rem;
                font-size: 0.9rem;
            }

            .news-card {
                padding: 1.2rem 1.4rem;
            }

            .scroll-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }

            .stat-card {
                padding: 1.2rem 1rem;
            }

            .stat-card .stat-number {
                font-size: 1.6rem;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.85rem;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }

            .cta-section .cta-actions {
                flex-direction: column;
            }

            .cta-section .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 额外辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .gap-3 {
            gap: 1.5rem;
        }
        .gap-4 {
            gap: 2rem;
        }

/* roulang page: article */
:root {
            --primary: #e96d2b;
            --primary-light: #f58a4a;
            --primary-dark: #c9551a;
            --primary-bg: #fff4ed;
            --secondary: #1a2a4a;
            --secondary-light: #2c4068;
            --accent: #f0c040;
            --bg: #ffffff;
            --bg-alt: #f8f9fc;
            --bg-dark: #0f1a2e;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.05);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            padding-top: 80px;
        }

        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; padding: 0; margin: 0; }

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

        /* ===== Header & Nav ===== */
        #mainNav {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            padding: 0;
            min-height: 80px;
            transition: var(--transition);
        }

        #mainNav .container { display: flex; align-items: center; justify-content: space-between; height: 80px; }

        .navbar-brand {
            display: flex; align-items: center; gap: 10px;
            font-size: 28px; font-weight: 800; color: var(--secondary) !important;
            letter-spacing: -0.5px; padding: 0;
        }

        .navbar-brand .brand-icon {
            font-size: 30px; color: var(--primary);
            background: var(--primary-bg); width: 44px; height: 44px;
            display: flex; align-items: center; justify-content: center;
            border-radius: 12px; transition: var(--transition);
        }

        .navbar-brand:hover .brand-icon { transform: rotate(-10deg) scale(1.05); background: var(--primary); color: #fff; }

        .navbar-brand .brand-highlight { color: var(--primary); }

        .navbar-toggler {
            border: none; padding: 8px 12px; border-radius: var(--radius-sm);
            background: var(--bg-alt); color: var(--text);
            font-size: 22px; box-shadow: none !important;
        }

        .navbar-toggler:hover { background: var(--border); }

        .navbar-nav .nav-item { margin: 0 2px; }

        .navbar-nav .nav-link {
            padding: 10px 20px; font-size: 15px; font-weight: 600;
            color: var(--text-light) !important; border-radius: var(--radius-sm);
            transition: var(--transition); position: relative;
            letter-spacing: 0.3px;
        }

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

        .navbar-nav .nav-link.active {
            color: var(--primary) !important; background: var(--primary-bg);
        }

        .navbar-nav .nav-link.active::after {
            content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 3px; background: var(--primary); border-radius: 4px;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b36 100%);
            padding: 60px 0 50px; position: relative; overflow: hidden;
        }

        .article-hero::before {
            content: ''; position: absolute; top: -30%; right: -10%;
            width: 500px; height: 500px; background: radial-gradient(circle, rgba(233,109,43,0.15) 0%, transparent 70%);
            border-radius: 50%; pointer-events: none;
        }

        .article-hero::after {
            content: ''; position: absolute; bottom: -20%; left: -5%;
            width: 400px; height: 400px; background: radial-gradient(circle, rgba(240,192,64,0.08) 0%, transparent 70%);
            border-radius: 50%; pointer-events: none;
        }

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

        .article-hero .breadcrumb-custom {
            display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
            font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 20px;
        }

        .article-hero .breadcrumb-custom a { color: rgba(255,255,255,0.7); }
        .article-hero .breadcrumb-custom a:hover { color: var(--accent); }
        .article-hero .breadcrumb-custom i { font-size: 12px; color: rgba(255,255,255,0.4); }

        .article-hero .article-category {
            display: inline-block; background: var(--primary); color: #fff;
            padding: 4px 16px; border-radius: 20px; font-size: 13px; font-weight: 600;
            letter-spacing: 0.5px; margin-bottom: 16px;
        }

        .article-hero h1 {
            font-size: 36px; font-weight: 800; color: #fff; line-height: 1.3;
            max-width: 820px; margin-bottom: 18px;
        }

        .article-hero .article-meta {
            display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
            color: rgba(255,255,255,0.65); font-size: 14px;
        }

        .article-hero .article-meta i { margin-right: 6px; color: var(--primary-light); }

        /* ===== Main Content ===== */
        .article-main { padding: 50px 0 70px; background: var(--bg); }

        .article-content-wrap {
            background: #fff; border-radius: var(--radius-lg);
            box-shadow: var(--shadow); padding: 44px 48px; border: 1px solid var(--border-light);
        }

        .article-content {
            font-size: 17px; line-height: 1.9; color: var(--text);
        }

        .article-content p { margin-bottom: 1.6em; }

        .article-content h2 {
            font-size: 26px; font-weight: 700; color: var(--secondary);
            margin-top: 2em; margin-bottom: 0.8em; padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-bg);
        }

        .article-content h3 {
            font-size: 21px; font-weight: 700; color: var(--secondary);
            margin-top: 1.8em; margin-bottom: 0.6em;
        }

        .article-content ul, .article-content ol {
            padding-left: 24px; margin-bottom: 1.6em;
        }

        .article-content ul { list-style: disc; }
        .article-content ol { list-style: decimal; }

        .article-content li { margin-bottom: 0.5em; }

        .article-content blockquote {
            border-left: 4px solid var(--primary); background: var(--primary-bg);
            padding: 18px 24px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.6em 0; font-style: italic; color: var(--text-light);
        }

        .article-content a { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }

        .article-content img {
            border-radius: var(--radius); box-shadow: var(--shadow-card);
            margin: 1.8em auto; max-width: 100%;
        }

        .article-content .content-tag {
            display: inline-block; background: var(--bg-alt); color: var(--text-light);
            padding: 2px 14px; border-radius: 14px; font-size: 13px; font-weight: 500;
            margin: 0 4px 4px 0; border: 1px solid var(--border);
        }

        .article-footer-bar {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 16px; margin-top: 40px; padding-top: 28px;
            border-top: 1px solid var(--border);
        }

        .article-footer-bar .article-tags {
            display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
        }

        .article-footer-bar .article-tags span {
            font-size: 14px; color: var(--text-light); font-weight: 600;
        }

        .article-footer-bar .article-share {
            display: flex; align-items: center; gap: 10px;
        }

        .article-footer-bar .article-share a {
            display: flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: 50%;
            background: var(--bg-alt); color: var(--text-light); font-size: 16px;
            transition: var(--transition); border: 1px solid var(--border);
        }

        .article-footer-bar .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== Article Sidebar ===== */
        .article-sidebar .card {
            border: none; border-radius: var(--radius); box-shadow: var(--shadow-card);
            margin-bottom: 28px; overflow: hidden;
        }

        .article-sidebar .card-header {
            background: var(--secondary); color: #fff; font-weight: 700; font-size: 17px;
            padding: 16px 24px; border: none; letter-spacing: 0.3px;
        }

        .article-sidebar .card-body { padding: 20px 24px; }

        .sidebar-list li {
            padding: 12px 0; border-bottom: 1px solid var(--border-light);
            display: flex; align-items: flex-start; gap: 12px;
        }

        .sidebar-list li:last-child { border-bottom: none; }

        .sidebar-list li .num {
            width: 28px; height: 28px; min-width: 28px; border-radius: 8px;
            background: var(--primary-bg); color: var(--primary); font-weight: 700;
            font-size: 13px; display: flex; align-items: center; justify-content: center;
        }

        .sidebar-list li a {
            color: var(--text); font-size: 14px; line-height: 1.5; font-weight: 500;
        }

        .sidebar-list li a:hover { color: var(--primary); }

        .sidebar-list li .sidebar-date {
            font-size: 12px; color: var(--text-light); margin-top: 2px;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff; padding: 28px 24px; text-align: center; border-radius: var(--radius);
        }

        .sidebar-cta h5 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: #fff; }

        .sidebar-cta p { font-size: 14px; opacity: 0.9; margin-bottom: 18px; }

        .sidebar-cta .btn {
            background: #fff; color: var(--primary); font-weight: 700; padding: 10px 30px;
            border-radius: 30px; border: none; transition: var(--transition);
        }

        .sidebar-cta .btn:hover { background: var(--accent); color: var(--secondary); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

        /* ===== Not Found ===== */
        .not-found-wrap { text-align: center; padding: 80px 20px; }

        .not-found-wrap .not-found-icon {
            font-size: 72px; color: var(--border); margin-bottom: 24px;
        }

        .not-found-wrap h2 { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 12px; }

        .not-found-wrap p { color: var(--text-light); font-size: 16px; margin-bottom: 28px; max-width: 480px; margin-left: auto; margin-right: auto; }

        .not-found-wrap .btn {
            background: var(--primary); color: #fff; padding: 12px 36px; border-radius: 30px;
            font-weight: 600; border: none; transition: var(--transition);
        }

        .not-found-wrap .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(233,109,43,0.3); }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark); color: var(--text-white); padding: 60px 0 0;
            position: relative; overflow: hidden;
        }

        .footer::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0;
            height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
        }

        .footer-top { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }

        .footer-logo {
            font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 16px;
            display: flex; align-items: center; gap: 10px;
        }

        .footer-logo .brand-highlight { color: var(--primary); }

        .footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.55); max-width: 360px; }

        .footer-col h5 {
            font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 20px;
            position: relative; padding-bottom: 10px;
        }

        .footer-col h5::after {
            content: ''; position: absolute; bottom: 0; left: 0;
            width: 30px; height: 2px; background: var(--primary); border-radius: 2px;
        }

        .footer-col ul li { margin-bottom: 10px; }

        .footer-col ul li a {
            color: rgba(255,255,255,0.55); font-size: 14px; transition: var(--transition);
        }

        .footer-col ul li a:hover { color: var(--primary); padding-left: 4px; }

        .footer-bottom {
            display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
            padding: 24px 0; margin-top: 0;
        }

        .footer-bottom p { font-size: 14px; color: rgba(255,255,255,0.4); margin: 0; }

        .footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

        .footer-links a { font-size: 14px; color: rgba(255,255,255,0.4); transition: var(--transition); }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
            .article-content-wrap { padding: 32px 28px; }
        }

        @media (max-width: 991px) {
            #mainNav .container { height: auto; min-height: 70px; }
            .navbar-nav .nav-link { padding: 12px 16px; font-size: 15px; }
            .navbar-nav .nav-link.active::after { display: none; }
            .navbar-collapse { background: #fff; border-radius: var(--radius); padding: 12px 8px; box-shadow: var(--shadow-hover); margin-top: 8px; border: 1px solid var(--border); }
            .article-hero h1 { font-size: 28px; }
            .article-sidebar { margin-top: 40px; }
        }

        @media (max-width: 768px) {
            body { padding-top: 70px; }
            .article-hero { padding: 40px 0 36px; }
            .article-hero h1 { font-size: 24px; }
            .article-content-wrap { padding: 24px 18px; border-radius: var(--radius); }
            .article-content { font-size: 15px; }
            .article-content h2 { font-size: 21px; }
            .article-content h3 { font-size: 18px; }
            .footer-top { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-links { justify-content: center; }
        }

        @media (max-width: 520px) {
            .article-hero h1 { font-size: 20px; }
            .article-hero .article-meta { gap: 12px; font-size: 13px; }
            .article-content-wrap { padding: 16px 12px; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
            .navbar-brand { font-size: 22px; }
            .navbar-brand .brand-icon { width: 36px; height: 36px; font-size: 24px; }
        }

        @media (min-width: 992px) {
            .navbar-nav .nav-link { padding: 10px 22px; }
        }

        /* ===== Print ===== */
        @media print {
            #mainNav, .footer, .article-sidebar, .article-footer-bar .article-share { display: none !important; }
            .article-content-wrap { box-shadow: none; border: none; padding: 0; }
            .article-hero { background: #fff !important; padding: 20px 0; }
            .article-hero h1 { color: var(--text); }
            .article-hero .article-meta { color: var(--text-light); }
        }

/* roulang page: category1 */
/* ===== CSS 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-dark: #E55A2B;
            --primary-light: #FF8F5E;
            --primary-gradient: linear-gradient(135deg, #FF6B35 0%, #F7C948 100%);
            --secondary: #F7C948;
            --secondary-dark: #E0B43A;
            --accent: #FF3D7F;
            --dark: #1A1A2E;
            --dark-alt: #16213E;
            --darker: #0F0F1F;
            --light: #F9F9FB;
            --gray-100: #F0F0F5;
            --gray-200: #E2E2E8;
            --gray-300: #C8C8D0;
            --gray-400: #9A9AA8;
            --gray-500: #6B6B7B;
            --text-primary: #1A1A2E;
            --text-secondary: #4A4A5A;
            --text-muted: #7A7A8A;
            --text-light: #F9F9FB;
            --bg-card: #FFFFFF;
            --bg-section: #F5F5FA;
            --bg-section-alt: #1A1A2E;
            --border-color: #E8E8EE;
            --border-radius: 16px;
            --border-radius-sm: 10px;
            --border-radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 26, 46, 0.10);
            --shadow-lg: 0 20px 60px rgba(26, 26, 46, 0.15);
            --shadow-xl: 0 40px 80px rgba(26, 26, 46, 0.20);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
            --section-spacing: 100px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-fluid {
            padding-left: 20px;
            padding-right: 20px;
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        h1 {
            font-size: 2.8rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.6rem;
        }
        h4 {
            font-size: 1.3rem;
        }
        h5 {
            font-size: 1.1rem;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            position: relative;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 3rem;
            line-height: 1.7;
        }
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ===== Navbar ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
        }
        #mainNav {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid rgba(232, 232, 238, 0.6);
            padding: 0;
            height: var(--nav-height);
            transition: var(--transition);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
        }
        #mainNav .container {
            height: 100%;
            display: flex;
            align-items: center;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dark) !important;
            padding: 0;
            margin-right: 2rem;
            letter-spacing: -0.5px;
        }
        .navbar-brand .brand-icon {
            font-size: 1.8rem;
            color: var(--primary);
            filter: drop-shadow(0 2px 8px rgba(255, 107, 53, 0.3));
        }
        .navbar-brand .brand-highlight {
            color: var(--primary);
        }
        .navbar-brand span {
            font-weight: 800;
        }
        #mainNav .navbar-nav {
            gap: 2px;
        }
        #mainNav .nav-link {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary) !important;
            padding: 8px 18px !important;
            border-radius: 10px;
            transition: var(--transition);
            position: relative;
        }
        #mainNav .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(255, 107, 53, 0.08);
        }
        #mainNav .nav-link.active {
            color: var(--primary) !important;
            background: rgba(255, 107, 53, 0.12);
            font-weight: 700;
        }
        #mainNav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }
        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            border-radius: 10px;
            background: rgba(255, 107, 53, 0.08);
        }
        .navbar-toggler:hover {
            background: rgba(255, 107, 53, 0.15);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%231A1A2E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='3' y1='6' x2='21' y2='6'/%3E%3Cline x1='3' y1='12' x2='21' y2='12'/%3E%3Cline x1='3' y1='18' x2='21' y2='18'/%3E%3C/svg%3E");
        }

        /* ===== Hero ===== */
        .category-hero {
            background: var(--dark);
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 107, 53, 0.15) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 30%, rgba(247, 201, 72, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 100%, rgba(255, 61, 127, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }
        .category-hero .hero-particles {
            position: absolute;
            inset: 0;
            overflow: hidden;
            pointer-events: none;
        }
        .category-hero .hero-particles span {
            position: absolute;
            width: 6px;
            height: 6px;
            background: rgba(255, 107, 53, 0.3);
            border-radius: 50%;
            animation: floatParticle 8s infinite ease-in-out;
        }
        .category-hero .hero-particles span:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
            width: 12px;
            height: 12px;
        }
        .category-hero .hero-particles span:nth-child(2) {
            top: 60%;
            left: 80%;
            animation-delay: 2s;
            background: rgba(247, 201, 72, 0.25);
        }
        .category-hero .hero-particles span:nth-child(3) {
            top: 30%;
            left: 60%;
            animation-delay: 4s;
            width: 8px;
            height: 8px;
        }
        .category-hero .hero-particles span:nth-child(4) {
            top: 70%;
            left: 20%;
            animation-delay: 6s;
            background: rgba(255, 61, 127, 0.2);
            width: 10px;
            height: 10px;
        }
        @keyframes floatParticle {
            0%,
            100% {
                transform: translateY(0) scale(1);
                opacity: 0.6;
            }
            50% {
                transform: translateY(-30px) scale(1.5);
                opacity: 1;
            }
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 53, 0.15);
            color: var(--primary-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(255, 107, 53, 0.2);
        }
        .category-hero h1 {
            color: #fff;
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        .category-hero h1 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero .hero-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.15rem;
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 2rem;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-number .num-highlight {
            color: var(--secondary);
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* ===== Sections ===== */
        .section-padding {
            padding: var(--section-spacing) 0;
        }
        .section-padding-sm {
            padding: 60px 0;
        }
        .bg-section {
            background: var(--bg-section);
        }
        .bg-dark-section {
            background: var(--bg-section-alt);
            color: var(--text-light);
        }
        .bg-dark-section .section-title {
            color: #fff;
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Cards ===== */
        .card {
            border: none;
            border-radius: var(--border-radius);
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card .card-img-top {
            border-radius: var(--border-radius) var(--border-radius) 0 0;
            object-fit: cover;
            height: 200px;
            width: 100%;
        }
        .card .card-body {
            padding: 1.5rem;
        }
        .card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        .card .card-text {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-color);
        }
        .card .card-meta i {
            color: var(--primary);
        }
        .card .card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 107, 53, 0.1);
            color: var(--primary);
            margin-bottom: 0.75rem;
        }

        /* ===== Guide Cards ===== */
        .guide-card {
            border: none;
            border-radius: var(--border-radius);
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .guide-card .guide-thumb {
            position: relative;
            height: 220px;
            overflow: hidden;
            background: var(--gray-200);
        }
        .guide-card .guide-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-slow);
        }
        .guide-card:hover .guide-thumb img {
            transform: scale(1.05);
        }
        .guide-card .guide-thumb .guide-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
        }
        .guide-card .guide-thumb .guide-overlay .guide-category {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
        }
        .guide-card .guide-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .guide-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        .guide-card .guide-body p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }
        .guide-card .guide-body .guide-stats {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        .guide-card .guide-body .guide-stats i {
            color: var(--primary);
            width: 16px;
        }
        .guide-card .guide-body .guide-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Featured Guide (Large) ===== */
        .featured-guide {
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .featured-guide:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .featured-guide .row {
            min-height: 400px;
        }
        .featured-guide .featured-img {
            min-height: 340px;
            background: var(--gray-200);
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .featured-guide .featured-img .featured-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
        }
        .featured-guide .featured-body {
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-guide .featured-body .featured-label {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
        .featured-guide .featured-body h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .featured-guide .featured-body p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .featured-guide .featured-body .featured-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .featured-guide .featured-body .featured-meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        /* ===== Category Tabs / Filter ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 2.5rem;
        }
        .filter-tabs .filter-btn {
            padding: 8px 24px;
            border-radius: 50px;
            border: 2px solid var(--border-color);
            background: transparent;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tabs .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 107, 53, 0.05);
        }
        .filter-tabs .filter-btn.active {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
        }

        /* ===== Tips / List ===== */
        .tips-list {
            display: grid;
            gap: 16px;
        }
        .tips-list .tip-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 1.25rem;
            background: var(--bg-card);
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border-left: 4px solid var(--primary);
        }
        .tips-list .tip-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .tips-list .tip-item .tip-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 107, 53, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }
        .tips-list .tip-item .tip-content h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .tips-list .tip-item .tip-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== Process / Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .process-steps .step-item {
            text-align: center;
            padding: 2rem 1.5rem;
            background: var(--bg-card);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            counter-increment: step;
        }
        .process-steps .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .process-steps .step-item .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
        }
        .process-steps .step-item h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .process-steps .step-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .process-steps .step-item::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 700;
        }
        .process-steps .step-item:last-child::after {
            display: none;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-question {
            padding: 1.25rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .faq-item .faq-question[aria-expanded="true"] .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 107, 53, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(247, 201, 72, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: 12px;
            font-weight: 600;
            padding: 12px 32px;
            transition: var(--transition);
            font-size: 0.95rem;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.35);
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.45);
            color: #fff;
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.3);
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.25);
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
        }
        .btn-sm-custom {
            padding: 8px 20px;
            font-size: 0.85rem;
            border-radius: 10px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 30px;
        }
        .footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 0.75rem;
        }
        .footer .footer-logo .brand-highlight {
            color: var(--primary);
        }
        .footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer .footer-col ul li a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.85rem;
        }
        .footer .footer-bottom .footer-links a:hover {
            color: var(--primary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-spacing: 70px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps .step-item::after {
                display: none;
            }
            .footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .category-hero h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-spacing: 56px;
                --nav-height: 64px;
            }
            body {
                padding-top: var(--nav-height);
            }
            #mainNav {
                height: var(--nav-height);
            }
            .navbar-brand {
                font-size: 1.25rem;
            }
            .navbar-brand .brand-icon {
                font-size: 1.4rem;
            }
            #mainNav .navbar-nav {
                padding: 12px 0;
                gap: 4px;
            }
            #mainNav .nav-link {
                padding: 10px 16px !important;
                font-size: 0.95rem;
            }
            .category-hero {
                padding: 56px 0 48px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-desc {
                font-size: 1rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 2rem;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .process-steps .step-item {
                padding: 1.5rem 1rem;
            }
            .featured-guide .featured-body {
                padding: 1.5rem;
            }
            .featured-guide .featured-body h2 {
                font-size: 1.4rem;
            }
            .featured-guide .featured-img {
                min-height: 240px;
            }
            .guide-card .guide-thumb {
                height: 180px;
            }
            .filter-tabs {
                gap: 8px;
            }
            .filter-tabs .filter-btn {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer .footer-bottom .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-spacing: 44px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.2rem;
            }
            .category-hero .hero-stats .stat-label {
                font-size: 0.75rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .guide-card .guide-thumb {
                height: 160px;
            }
            .featured-guide .featured-body {
                padding: 1.25rem;
            }
            .featured-guide .featured-body h2 {
                font-size: 1.2rem;
            }
            .filter-tabs .filter-btn {
                padding: 5px 12px;
                font-size: 0.78rem;
            }
            .tips-list .tip-item {
                padding: 1rem;
            }
            .faq-item .faq-question {
                padding: 1rem 1.25rem;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer {
                padding: 0 1.25rem 1rem;
                font-size: 0.88rem;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.88rem;
            }
        }

        /* ===== Bootstrap Overrides ===== */
        .accordion-button:not(.collapsed) {
            background: rgba(255, 107, 53, 0.05);
            color: var(--primary);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(255, 107, 53, 0.2);
        }
        .accordion-item {
            border: none;
            margin-bottom: 8px;
            border-radius: var(--border-radius-sm) !important;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-item .accordion-button {
            font-weight: 600;
            font-size: 1rem;
        }
        .row.gap-y {
            row-gap: 24px;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.35);
            z-index: 100;
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            border: none;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.45);
            color: #fff;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --primary-gradient: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
            --secondary: #fd79a8;
            --secondary-light: #fab1c0;
            --accent: #fdcb6e;
            --accent-dark: #f6b93b;
            --bg-dark: #0a0a1a;
            --bg-darker: #060612;
            --bg-card: #12122a;
            --bg-card-hover: #1a1a3a;
            --bg-section-alt: #0e0e22;
            --text-primary: #f0f0ff;
            --text-secondary: #b8b8d4;
            --text-muted: #7a7a9a;
            --border-color: rgba(108, 92, 231, 0.2);
            --border-glow: rgba(108, 92, 231, 0.4);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

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

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

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航 ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid rgba(108, 92, 231, 0.15);
            transition: var(--transition);
        }

        header.scrolled {
            background: rgba(6, 6, 18, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .navbar {
            padding: 12px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary) !important;
            letter-spacing: 1px;
            padding: 0;
        }

        .navbar-brand .brand-icon {
            color: var(--primary);
            font-size: 1.8rem;
            filter: drop-shadow(0 0 12px rgba(108, 92, 231, 0.4));
        }

        .navbar-brand .brand-highlight {
            color: var(--primary-light);
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-brand span {
            background: none;
            -webkit-text-fill-color: var(--text-primary);
        }

        .navbar-brand .brand-highlight {
            -webkit-text-fill-color: transparent;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }

        .navbar-nav .nav-link:hover {
            color: var(--text-primary) !important;
            background: rgba(108, 92, 231, 0.1);
        }

        .navbar-nav .nav-link.active {
            color: var(--text-primary) !important;
            background: var(--primary-gradient);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }

        .navbar-toggler {
            border: 1px solid rgba(108, 92, 231, 0.3);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: transparent;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(240,240,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.3);
        }

        /* ===== 页面头部 ===== */
        .page-hero {
            padding: 140px 0 60px;
            background: var(--bg-darker);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(108, 92, 231, 0.1);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(253, 121, 168, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.25);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 18px;
            letter-spacing: 1px;
            backdrop-filter: blur(4px);
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .hero-sub {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }

        .page-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .page-hero .hero-stats .stat-item {
            text-align: center;
        }

        .page-hero .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            display: block;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header .section-tag {
            display: inline-block;
            background: rgba(108, 92, 231, 0.12);
            border: 1px solid rgba(108, 92, 231, 0.2);
            padding: 4px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--primary-light);
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #fff 50%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }

        .card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .card .card-body {
            padding: 28px 24px;
        }

        .card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(108, 92, 231, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary-light);
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .card:hover .card-icon {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.3);
        }

        .card .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .card .card-text {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .card .card-tag {
            display: inline-block;
            background: rgba(253, 203, 110, 0.12);
            color: var(--accent);
            font-size: 0.75rem;
            padding: 2px 12px;
            border-radius: 50px;
            margin-top: 12px;
            border: 1px solid rgba(253, 203, 110, 0.15);
        }

        /* ===== 活动卡片（大） ===== */
        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-md), var(--shadow-glow);
        }

        .event-card .event-banner {
            height: 180px;
            background: var(--primary-gradient);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .event-card .event-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.3;
        }

        .event-card .event-banner .banner-icon {
            font-size: 4rem;
            color: rgba(255, 255, 255, 0.15);
            position: relative;
            z-index: 1;
        }

        .event-card .event-banner .event-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(253, 121, 168, 0.9);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
            z-index: 2;
        }

        .event-card .event-body {
            padding: 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card .event-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .event-card .event-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            flex: 1;
        }

        .event-card .event-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 16px;
            border-top: 1px solid rgba(108, 92, 231, 0.1);
            margin-top: 12px;
        }

        .event-card .event-meta .event-date {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .event-card .event-meta .event-btn {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }

        .event-card .event-meta .event-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
        }

        /* ===== 福利列表 ===== */
        .benefit-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .benefit-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .benefit-list li:hover {
            border-color: var(--border-glow);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .benefit-list li .benefit-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .benefit-list li .benefit-content {
            flex: 1;
        }

        .benefit-list li .benefit-content strong {
            display: block;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .benefit-list li .benefit-content span {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .benefit-list li .benefit-tag {
            background: rgba(253, 203, 110, 0.1);
            color: var(--accent);
            font-size: 0.75rem;
            padding: 2px 12px;
            border-radius: 50px;
            border: 1px solid rgba(253, 203, 110, 0.15);
            flex-shrink: 0;
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary), transparent);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item .timeline-dot {
            position: absolute;
            left: -32px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-dark);
            box-shadow: 0 0 20px rgba(108, 92, 231, 0.3);
        }

        .timeline-item .timeline-date {
            font-size: 0.82rem;
            color: var(--primary-light);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .timeline-item .timeline-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .timeline-item .timeline-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
        }

        .faq-item .faq-question {
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
            user-select: none;
        }

        .faq-item .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-item .faq-question i {
            transition: var(--transition);
            color: var(--primary-light);
        }

        .faq-item .faq-question.open i {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item .faq-answer.open {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(253, 121, 168, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-cta {
            display: inline-block;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 42px;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            position: relative;
            z-index: 1;
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.3);
        }

        .cta-section .btn-cta:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.45);
        }

        .cta-section .btn-cta i {
            margin-left: 8px;
        }

        /* ===== 按钮 ===== */
        .btn-outline-primary {
            border: 1px solid var(--primary);
            color: var(--primary-light);
            background: transparent;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-outline-primary:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-darker);
            border-top: 1px solid rgba(108, 92, 231, 0.1);
            padding: 60px 0 30px;
        }

        .footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer .footer-logo .brand-highlight {
            color: var(--primary-light);
        }

        .footer .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 380px;
        }

        .footer .footer-col h5 {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: var(--transition);
        }

        .footer .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid rgba(108, 92, 231, 0.1);
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin: 0;
        }

        .footer .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer .footer-links a {
            color: var(--text-muted);
            font-size: 0.82rem;
            transition: var(--transition);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 110px 0 40px;
            }

            .page-hero h1 {
                font-size: 2.2rem;
            }

            .page-hero .hero-sub {
                font-size: 1rem;
            }

            .page-hero .hero-stats {
                gap: 24px;
            }

            .page-hero .hero-stats .stat-number {
                font-size: 1.6rem;
            }

            .section {
                padding: 50px 0;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }

            .navbar-brand {
                font-size: 1.3rem;
            }

            .navbar-nav .nav-link {
                padding: 10px 16px !important;
                text-align: center;
            }

            .cta-section {
                padding: 40px 24px;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .footer .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .event-card .event-banner {
                height: 140px;
            }

            .timeline {
                padding-left: 32px;
            }

            .timeline-item .timeline-dot {
                left: -26px;
                width: 12px;
                height: 12px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.7rem;
            }

            .page-hero .hero-stats {
                gap: 16px;
                flex-direction: column;
                align-items: flex-start;
            }

            .page-hero .hero-stats .stat-item {
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 8px;
            }

            .page-hero .hero-stats .stat-number {
                font-size: 1.4rem;
                display: inline;
            }

            .page-hero .hero-stats .stat-label {
                display: inline;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .card .card-body {
                padding: 20px 16px;
            }

            .benefit-list li {
                flex-wrap: wrap;
                padding: 12px 16px;
            }

            .benefit-list li .benefit-tag {
                margin-left: auto;
            }

            .cta-section {
                padding: 30px 18px;
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }

            .cta-section .btn-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }

            .footer {
                padding: 40px 0 20px;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e8751a;
            --primary-dark: #d0650f;
            --primary-light: #f5a623;
            --primary-gradient: linear-gradient(135deg, #e8751a 0%, #f5a623 100%);
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #ffd700;
            --success: #28a745;
            --danger: #dc3545;
            --warning: #ffc107;
            --info: #17a2b8;
            --dark: #0f0f1a;
            --dark-card: #1a1a2e;
            --dark-section: #14142a;
            --body-bg: #0a0a18;
            --text-primary: #f0f0f0;
            --text-secondary: #b0b0c0;
            --text-muted: #6c6c80;
            --border-color: rgba(232, 117, 26, 0.2);
            --border-light: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(26, 26, 46, 0.8);
            --card-bg-hover: rgba(40, 40, 65, 0.9);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(232, 117, 26, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            background-color: var(--body-bg);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }

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

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

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

        ul,
        ol {
            padding-left: 0;
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        #mainNav {
            background: rgba(10, 10, 24, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.4);
            height: var(--nav-height);
            transition: var(--transition);
        }

        #mainNav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary) !important;
            letter-spacing: 0.5px;
            padding: 0;
            transition: var(--transition);
        }
        .navbar-brand:hover {
            transform: scale(1.02);
        }
        .navbar-brand .brand-icon {
            font-size: 1.8rem;
            color: var(--primary);
            filter: drop-shadow(0 0 8px rgba(232, 117, 26, 0.4));
        }
        .navbar-brand .brand-highlight {
            color: var(--primary);
        }

        #mainNav .navbar-nav {
            gap: 4px;
        }
        #mainNav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        #mainNav .nav-link:hover {
            color: var(--text-primary) !important;
            background: rgba(232, 117, 26, 0.1);
        }
        #mainNav .nav-link.active {
            color: var(--primary) !important;
            background: rgba(232, 117, 26, 0.15);
        }
        #mainNav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 10px;
        }

        .navbar-toggler {
            border: none !important;
            padding: 6px 10px;
            background: rgba(232, 117, 26, 0.15);
            border-radius: var(--radius-sm);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232, 117, 26, 0.3);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(232,117,26,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            #mainNav .navbar-collapse {
                background: rgba(10, 10, 24, 0.98);
                backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                border: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
            }
            #mainNav .nav-link {
                padding: 12px 16px !important;
                border-radius: var(--radius-sm);
            }
            #mainNav .nav-link.active::after {
                display: none;
            }
            #mainNav .navbar-nav {
                gap: 2px;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-brand .brand-icon {
                font-size: 1.4rem;
            }
            #mainNav .container {
                padding: 0 16px;
            }
        }

        /* ===== 页面标题区 ===== */
        .page-hero {
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(232, 117, 26, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero h1 .highlight {
            color: var(--primary);
        }
        .page-hero .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .page-hero .breadcrumb-custom a {
            color: var(--text-secondary);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .page-hero .breadcrumb-custom .sep {
            color: var(--text-muted);
        }
        .page-hero .breadcrumb-custom .current {
            color: var(--primary);
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 50px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero .lead {
                font-size: 1rem;
            }
        }
        @media (max-width: 575.98px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--dark-section);
        }
        .section-card {
            background: var(--dark-card);
        }
        .section-divider {
            border: 0;
            height: 1px;
            background: var(--border-light);
            margin: 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title .highlight {
            color: var(--primary);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        .section-subtitle.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-title.center {
            text-align: center;
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            height: 100%;
            backdrop-filter: blur(10px);
        }
        .card-custom:hover {
            background: var(--card-bg-hover);
            border-color: rgba(232, 117, 26, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .card-custom .card-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(232, 117, 26, 0.12);
            color: var(--primary);
            font-size: 1.6rem;
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .card-custom:hover .card-icon {
            background: rgba(232, 117, 26, 0.2);
            transform: scale(1.05);
        }
        .card-custom h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .card-custom p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(232, 117, 26, 0.12);
            color: var(--primary-light);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        /* ===== 安全等级卡片 ===== */
        .security-level {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--primary);
            margin-top: 16px;
        }
        .security-level .level-icon {
            font-size: 1.8rem;
            color: var(--primary);
        }
        .security-level .level-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .security-level .level-text strong {
            color: var(--text-primary);
        }

        /* ===== 步骤 / 流程 ===== */
        .step-list {
            counter-reset: step;
            display: grid;
            gap: 24px;
        }
        .step-item {
            counter-increment: step;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 24px 28px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .step-item:hover {
            background: var(--card-bg-hover);
            border-color: rgba(232, 117, 26, 0.25);
            transform: translateX(4px);
        }
        .step-item .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(232, 117, 26, 0.3);
        }
        .step-item .step-content h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-item .step-content p {
            color: var(--text-secondary);
            font-size: 0.93rem;
            margin-bottom: 0;
            line-height: 1.7;
        }

        @media (max-width: 575.98px) {
            .step-item {
                flex-direction: column;
                padding: 20px;
            }
            .step-item .step-num {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 0;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 117, 26, 0.2);
        }
        .faq-item .faq-question {
            padding: 20px 28px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-item .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-question::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-question[aria-expanded="true"]::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 28px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        @media (max-width: 575.98px) {
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 0.98rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #14142a 0%, #1a1a2e 100%);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(232, 117, 26, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .cta-section h2 .highlight {
            color: var(--primary);
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 767.98px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-custom:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .btn-primary-custom {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 20px rgba(232, 117, 26, 0.35);
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 117, 26, 0.45);
            color: #fff;
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(232, 117, 26, 0.3);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--border-light);
        }
        .btn-outline-custom:hover {
            border-color: var(--primary);
            background: rgba(232, 117, 26, 0.08);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
        }
        .btn-sm-custom {
            padding: 10px 22px;
            font-size: 0.9rem;
        }

        /* ===== 标签 ===== */
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(232, 117, 26, 0.12);
            color: var(--primary-light);
        }
        .badge-custom.success {
            background: rgba(40, 167, 69, 0.12);
            color: #5dd879;
        }
        .badge-custom.danger {
            background: rgba(220, 53, 69, 0.12);
            color: #f06a7a;
        }
        .badge-custom.info {
            background: rgba(23, 162, 184, 0.12);
            color: #5fc8e0;
        }

        /* ===== 统计数字 ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: var(--card-bg-hover);
            border-color: rgba(232, 117, 26, 0.2);
            transform: translateY(-2px);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        @media (max-width: 991.98px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== 图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block .feature-visual {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-light);
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .feature-block .feature-visual .visual-icon {
            font-size: 4rem;
            color: var(--primary);
            opacity: 0.8;
        }
        .feature-block .feature-visual .visual-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(232, 117, 26, 0.15);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 600;
        }
        .feature-block .feature-text h3 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .feature-block .feature-text h3 .highlight {
            color: var(--primary);
        }
        .feature-block .feature-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .feature-block .feature-text .feature-list {
            display: grid;
            gap: 12px;
        }
        .feature-block .feature-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .feature-block .feature-text .feature-list li i {
            color: var(--primary);
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }

        @media (max-width: 991.98px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-block .feature-visual {
                min-height: 200px;
                padding: 30px;
                order: -1;
            }
            .feature-block .feature-text h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 575.98px) {
            .feature-block .feature-visual {
                padding: 20px;
                min-height: 160px;
            }
            .feature-block .feature-visual .visual-icon {
                font-size: 2.8rem;
            }
        }

        /* ===== 提示框 ===== */
        .alert-tip {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            background: rgba(232, 117, 26, 0.08);
            border-left: 4px solid var(--primary);
            margin: 20px 0;
        }
        .alert-tip .tip-icon {
            font-size: 1.4rem;
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .alert-tip .tip-content {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .alert-tip .tip-content strong {
            color: var(--text-primary);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0a0a18;
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
            color: var(--text-secondary);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo .brand-highlight {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 360px;
        }
        .footer-col h5 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 991.98px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 575.98px) {
            .footer {
                padding: 40px 0 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
        }

        /* ===== 响应式增强 ===== */
        @media (max-width: 767.98px) {
            :root {
                --nav-height: 64px;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 575.98px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .card-custom {
                padding: 22px 18px;
            }
            .card-custom .card-icon {
                width: 44px;
                height: 44px;
                font-size: 1.3rem;
            }
            .btn-custom {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ===== 额外辅助 ===== */
        .text-primary-custom {
            color: var(--primary);
        }
        .bg-primary-soft {
            background: rgba(232, 117, 26, 0.08);
        }
        .border-primary-soft {
            border-color: rgba(232, 117, 26, 0.2) !important;
        }
        .gap-adaptive {
            gap: 24px;
        }
        .mb-section {
            margin-bottom: 80px;
        }
        @media (max-width: 767.98px) {
            .mb-section {
                margin-bottom: 50px;
            }
        }

        /* ===== 安全盾牌动画 ===== */
        .shield-pulse {
            animation: shieldPulse 2s ease-in-out infinite;
        }
        @keyframes shieldPulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.8;
            }
            50% {
                transform: scale(1.05);
                opacity: 1;
            }
        }

        /* 列表装饰 */
        .list-check {
            display: grid;
            gap: 12px;
        }
        .list-check li {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .list-check li i {
            color: var(--success);
            font-size: 0.9rem;
            width: 18px;
        }

        /* 网格自适应 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 991.98px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }