/* roulang page: index */
:root {
            --primary: #FF4D24;
            --primary-light: #FF8A3D;
            --primary-gradient: linear-gradient(135deg, #FF4D24 0%, #FF8A3D 100%);
            --accent: #0E3B2E;
            --bg-light: #FAF7F2;
            --bg-white: #FFFFFF;
            --text-dark: #212529;
            --text-muted: #6C757D;
            --text-faint: #ADB5BD;
            --border: #E9E5E0;
            --border-dark: #1D4A3F;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-base: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.10);
            --section-space: 96px;
            --card-gap: 24px;
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        body {
            font-family: var(--font-main);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            margin: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: #E0431E;
        }

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

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: 64px;
        }

        .site-header .container {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            position: relative;
        }

        .logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            font-size: 24px;
            line-height: 1;
            color: var(--text-dark);
            white-space: nowrap;
            z-index: 10;
        }

        .logo .brand-mark {
            font-weight: 900;
            color: var(--primary);
        }

        .logo .brand-suffix {
            font-weight: 400;
            color: var(--accent);
        }

        .logo:hover {
            color: var(--text-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links.left {
            margin-right: auto;
        }

        .nav-links.right {
            margin-left: auto;
        }

        .nav-links a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            position: relative;
            padding: 4px 2px;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .header-cta {
            margin-left: 16px;
        }

        .btn {
            border-radius: 10px;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 32px;
            border: 2px solid transparent;
            transition: all 0.3s ease;
        }

        .btn-primary-custom {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
        }

        .btn-primary-custom:hover {
            background: linear-gradient(135deg, #E0431E 0%, #FF6A2B 100%);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 77, 36, 0.35);
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-outline-custom {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-dark-custom {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-dark-custom:hover {
            background: rgba(255, 77, 36, 0.05);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-light-custom {
            background: #fff;
            border: 2px solid #fff;
            color: var(--primary);
        }

        .btn-light-custom:hover {
            background: rgba(255, 255, 255, 0.9);
            color: #E0431E;
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: none;
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 8px 10px;
            display: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler .hamburger {
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            position: relative;
            display: block;
            transition: background 0.3s;
        }

        .navbar-toggler .hamburger::before,
        .navbar-toggler .hamburger::after {
            content: "";
            position: absolute;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            left: 0;
            transition: transform 0.3s;
        }

        .navbar-toggler .hamburger::before {
            top: -6px;
        }

        .navbar-toggler .hamburger::after {
            top: 6px;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger {
            background: transparent;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger::before {
            transform: rotate(45deg);
            top: 0;
        }

        .navbar-toggler[aria-expanded="true"] .hamburger::after {
            transform: rotate(-45deg);
            top: 0;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 24px 30px 32px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
            z-index: 999;
            border-bottom-left-radius: 16px;
            border-bottom-right-radius: 16px;
        }

        .mobile-menu.show {
            display: block;
        }

        .mobile-menu .nav-links {
            flex-direction: column;
            align-items: flex-start;
            gap: 24px;
            margin: 0 0 24px;
        }

        .mobile-menu .nav-links a {
            font-size: 20px;
            font-weight: 600;
            line-height: 24px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(255, 77, 36, 0.92), rgba(255, 138, 61, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-blend-mode: multiply;
            color: #fff;
            padding: 96px 0;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero::after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--bg-light);
            border-radius: 60% 100% 0 0 / 40px 20px 0 0;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 56px;
            flex-wrap: wrap;
        }

        .hero-content {
            flex: 1 1 55%;
            min-width: 320px;
        }

        .hero-image {
            flex: 1 1 40%;
            min-width: 280px;
            text-align: center;
        }

        .hero-image img {
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
            border: 4px solid rgba(255, 255, 255, 0.6);
            max-height: 420px;
            object-fit: cover;
        }

        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero .lead {
            font-size: 17px;
            line-height: 1.8;
            opacity: 0.92;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero .btn-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.25);
            padding-top: 28px;
        }

        .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stats .stat-num {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.2;
        }

        .hero-stats .stat-label {
            font-size: 14px;
            opacity: 0.85;
        }

        /* ===== Section base ===== */
        .section {
            padding: var(--section-space) 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 48px;
            max-width: 640px;
        }

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

        .section-bg-gray {
            background: #F0EDE8;
        }

        /* ===== Features ===== */
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px 28px;
            border: 1px solid var(--border);
            position: relative;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            box-shadow: var(--shadow-base);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 77, 36, 0.3);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 77, 36, 0.1);
            color: var(--primary);
            margin-bottom: 24px;
        }

        .feature-icon svg {
            width: 24px;
            height: 24px;
        }

        .feature-badge {
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 24px;
            font-weight: 800;
            color: rgba(255, 77, 36, 0.15);
            line-height: 1;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .feature-card .learn-more {
            display: inline-block;
            margin-top: 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .feature-card .learn-more svg {
            transition: transform 0.3s ease;
        }

        .feature-card .learn-more:hover svg {
            transform: translateX(4px);
        }

        /* ===== Showcase ===== */
        .showcase-block {
            display: flex;
            align-items: center;
            gap: 64px;
            margin-bottom: 80px;
        }

        .showcase-block:nth-child(even) {
            flex-direction: row-reverse;
        }

        .showcase-media {
            flex: 1 1 50%;
            min-width: 320px;
        }

        .showcase-media .img-holder {
            background: #E9E5E0;
            border-radius: 16px;
            overflow: hidden;
            min-height: 260px;
            box-shadow: var(--shadow-base);
            border: 1px solid var(--border);
        }

        .showcase-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .showcase-content {
            flex: 1 1 50%;
        }

        .showcase-content h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .showcase-content p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .showcase-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .showcase-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            border-bottom: 1px solid var(--border);
        }

        .showcase-points li:last-child {
            border-bottom: none;
        }

        .showcase-points li svg {
            flex-shrink: 0;
            margin-top: 3px;
            color: var(--primary);
        }

        /* ===== Proof ===== */
        .section-proof {
            background: var(--accent);
            color: #fff;
        }

        .proof-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 64px;
        }

        .proof-stat {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.06);
        }

        .proof-stat .num {
            font-size: 38px;
            font-weight: 900;
            line-height: 1.2;
            color: #fff;
        }

        .proof-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 8px;
        }

        .testimonials {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .testimonial-card::before {
            content: "\201C";
            font-size: 64px;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.2);
            position: absolute;
            top: 12px;
            right: 24px;
            line-height: 1;
        }

        .testimonial-card p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: 16px;
        }

        .testimonial-card .person {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: var(--primary-gradient);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 40px 0;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -60px;
            width: 200px;
            height: 200px;
            border: 3px solid rgba(255, 255, 255, 0.15);
            border-radius: 50%;
        }

        .cta-banner h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 17px;
            opacity: 0.92;
            margin-bottom: 32px;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 2;
        }

        /* ===== Pricing ===== */
        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 2px solid var(--border);
            height: 100%;
            position: relative;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: var(--shadow-base);
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .pricing-card.recommended {
            border-color: var(--primary);
            box-shadow: 0 12px 32px rgba(255, 77, 36, 0.15);
        }

        .pricing-card.recommended::before {
            content: "推荐";
            position: absolute;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-gradient);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
        }

        .pricing-card .plan-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .pricing-card .price {
            font-size: 44px;
            font-weight: 900;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .pricing-card .price span {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-muted);
        }

        .pricing-card .plan-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 32px;
        }

        .pricing-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-dark);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-features li svg {
            color: var(--primary);
        }

        .pricing-card .btn {
            width: 100%;
            padding: 12px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            box-shadow: var(--shadow-base);
            overflow: hidden;
        }

        .accordion-item:first-of-type,
        .accordion-item:last-of-type {
            border-radius: var(--radius-md);
        }

        .accordion-button {
            background: #fff;
            color: var(--text-dark);
            font-size: 17px;
            font-weight: 700;
            padding: 20px 24px;
            border: none;
            position: relative;
        }

        .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-button::after {
            content: "+";
            font-family: sans-serif;
            font-size: 24px;
            font-weight: 400;
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .accordion-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== News ===== */
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: var(--shadow-base);
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .news-card .card-img-wrap {
            background: #F0EDE8;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

        .news-card .news-cat {
            display: inline-block;
            background: rgba(255, 77, 36, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .news-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-faint);
        }

        .news-card .card-meta a {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-card .card-meta a svg {
            transition: transform 0.3s ease;
        }

        .news-card .card-meta a:hover svg {
            transform: translateX(3px);
        }

        .empty-state {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-muted);
            min-height: 220px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .empty-state svg {
            width: 48px;
            height: 48px;
            color: var(--text-faint);
            margin-bottom: 16px;
        }

        .empty-state p {
            font-size: 16px;
            margin-bottom: 8px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--accent);
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 24px;
            margin-top: 96px;
        }

        .site-footer .footer-title {
            font-size: 14px;
            color: #fff;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

        .site-footer a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-brand .logo {
            position: static;
            transform: none;
            color: #fff;
            font-size: 24px;
            margin-bottom: 16px;
            display: block;
        }

        .footer-brand .logo .brand-suffix {
            color: rgba(255, 255, 255, 0.9);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
        }

        .footer-contact svg {
            color: var(--primary-light);
        }

        .footer-subscribe .input-group {
            display: flex;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid #25604F;
        }

        .footer-subscribe input[type="email"] {
            flex: 1;
            border: none;
            background: #fff;
            padding: 12px 16px;
            font-size: 14px;
        }

        .footer-subscribe input:focus {
            outline: 2px solid rgba(255, 77, 36, 0.4);
            box-shadow: none;
        }

        .footer-subscribe button {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 0 24px;
            font-weight: 600;
            border-radius: 0 8px 8px 0;
            transition: opacity 0.3s;
        }

        .footer-subscribe button:hover {
            opacity: 0.9;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            margin-top: 48px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            text-align: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
        }

        /* ===== Floating CTA ===== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 998;
            width: 56px;
            height: 56px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 8px 24px rgba(255, 77, 36, 0.4);
            cursor: pointer;
            border: none;
            transition: transform 0.3s ease;
        }

        .float-cta:hover {
            transform: translateY(-4px);
        }

        .float-cta svg {
            width: 22px;
            height: 22px;
        }

        .float-cta span {
            font-size: 10px;
            font-weight: 600;
            margin-top: 2px;
        }

        /* ===== Utility ===== */
        .text-primary-custom {
            color: var(--primary) !important;
        }

        .view-all {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .section-header .section-title {
            margin-bottom: 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .site-header .nav-links,
            .site-header .header-cta {
                display: none;
            }

            .logo {
                position: static;
                transform: none;
            }

            .navbar-toggler {
                display: block;
            }

            .hero {
                padding: 64px 0;
                min-height: auto;
            }

            .hero .container {
                flex-direction: column;
                gap: 32px;
            }

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

            .hero .lead {
                margin-left: auto;
                margin-right: auto;
            }

            .hero .btn-group {
                justify-content: center;
            }

            .hero-stats {
                justify-content: center;
            }

            .section {
                --section-space: 64px;
            }

            .showcase-block {
                flex-direction: column !important;
                gap: 32px;
            }

            .showcase-media {
                min-width: 100%;
            }

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

        @media (max-width: 767.98px) {
            .hero h1 {
                font-size: 32px;
            }

            .hero .lead {
                font-size: 16px;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stats .stat-num {
                font-size: 26px;
            }

            .section-title {
                font-size: 24px;
            }

            .cta-banner {
                padding: 40px 20px;
            }

            .cta-banner h2 {
                font-size: 26px;
            }

            .testimonials {
                grid-template-columns: 1fr;
            }

            .proof-stats {
                grid-template-columns: 1fr;
            }

            .pricing-card.recommended {
                order: -1;
            }

            .float-cta {
                width: 48px;
                height: 48px;
                right: 16px;
                bottom: 16px;
            }

            .float-cta span {
                display: none;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: article */
:root {
            --primary: #FF4D24;
            --primary-dark: #E0431E;
            --primary-light: #FF8A3D;
            --primary-gradient: linear-gradient(135deg, #FF4D24 0%, #FF8A3D 100%);
            --secondary: #0E3B2E;
            --bg-body: #FAF7F2;
            --bg-white: #FFFFFF;
            --bg-light: #F5F1EB;
            --text-main: #212529;
            --text-muted: #6C757D;
            --text-faint: #ADB5BD;
            --border-color: #E9E5E0;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.10);
            --shadow-primary: 0 8px 24px rgba(255, 77, 36, 0.30);
            --transition-base: all 0.3s ease;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --space-section: 96px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.3;
        }

        .container {
            max-width: 1200px;
        }

        .section-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
        }

        .section-head p {
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== Button System ===== */
        .btn {
            font-size: 16px;
            font-weight: 600;
            border-radius: 10px;
            padding: 14px 32px;
            transition: var(--transition-base);
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: none;
        }

        .btn-primary-custom {
            background: var(--primary-gradient);
            border: none;
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 77, 36, 0.25);
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--primary-gradient);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-primary);
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 77, 36, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-light-hero {
            background: #fff;
            border: none;
            color: var(--primary);
            font-weight: 700;
        }

        .btn-light-hero:hover {
            background: #fff;
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .btn-white-line {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.85);
            color: #fff;
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 64px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E8E6E3;
            transition: var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            position: relative;
        }

        .site-header.menu-open {
            background: #fff;
            box-shadow: var(--shadow-md);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-links a {
            display: inline-block;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 0;
            position: relative;
            text-decoration: none;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .navbar-toggler {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            background: #fff;
            align-items: center;
            justify-content: center;
            padding: 0;
            cursor: pointer;
        }

        .hamburger {
            width: 18px;
            height: 2px;
            background: var(--text-main);
            position: relative;
            transition: background 0.3s;
            display: block;
        }

        .hamburger::before,
        .hamburger::after {
            content: "";
            position: absolute;
            left: 0;
            width: 18px;
            height: 2px;
            background: var(--text-main);
            transition: transform 0.3s ease, top 0.3s ease, bottom 0.3s ease;
        }

        .hamburger::before {
            top: -6px;
        }

        .hamburger::after {
            bottom: -6px;
        }

        .site-header.menu-open .hamburger {
            background: transparent;
        }

        .site-header.menu-open .hamburger::before {
            top: 0;
            transform: rotate(45deg);
        }

        .site-header.menu-open .hamburger::after {
            bottom: 0;
            transform: rotate(-45deg);
        }

        .site-header .logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            display: inline-flex;
            align-items: baseline;
            gap: 2px;
            text-decoration: none;
            z-index: 2;
        }

        .brand-mark {
            font-size: 24px;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1;
        }

        .brand-suffix {
            font-size: 24px;
            font-weight: 400;
            color: var(--text-main);
            line-height: 1;
        }

        .header-cta {
            padding: 10px 22px;
            font-size: 15px;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            background: linear-gradient(135deg, rgba(255, 77, 36, 0.94) 0%, rgba(255, 138, 61, 0.88) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 72px 0 104px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 80px;
            background: var(--bg-body);
            border-radius: 60% 100% 0 0;
            opacity: 0.15;
            pointer-events: none;
        }

        .breadcrumb-nav {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: color 0.3s;
        }

        .breadcrumb-nav a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .breadcrumb-divider {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.6);
        }

        .breadcrumb-current {
            display: inline-block;
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            vertical-align: bottom;
            color: rgba(255, 255, 255, 0.95);
        }

        .article-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            max-width: 860px;
            margin: 12px auto 22px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.12);
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
        }

        .article-meta .badge-category {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            padding: 5px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 13px;
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-item svg {
            opacity: 0.85;
        }

        /* ===== Article Body ===== */
        .article-content {
            background: var(--bg-body);
            padding: 0 0 var(--space-section);
        }

        .article-body-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
            padding: 48px 56px;
            margin-top: -48px;
            position: relative;
            z-index: 2;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .article-body-card article {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.9;
            color: #3A4045;
        }

        .article-body-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin: 36px 0 16px;
            padding-left: 12px;
            border-left: 4px solid var(--primary);
        }

        .article-body-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin: 28px 0 12px;
        }

        .article-body-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 24px 0 12px;
        }

        .article-body-card p {
            font-size: 16px;
            line-height: 1.9;
            color: #3A4045;
            margin-bottom: 24px;
        }

        .article-body-card img {
            max-width: 100%;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            margin: 24px 0;
        }

        .article-body-card blockquote {
            border-left: 4px solid var(--primary);
            background: #FFF6F1;
            padding: 20px 28px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
            color: var(--text-muted);
            font-style: normal;
        }

        .article-body-card blockquote p {
            margin-bottom: 0;
            color: var(--text-muted);
        }

        .article-body-card pre {
            background: #1F2933;
            color: #E4E7EB;
            padding: 20px 24px;
            border-radius: 12px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 24px 0;
        }

        .article-body-card code {
            background: rgba(255, 77, 36, 0.08);
            color: var(--primary-dark);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
        }

        .article-body-card pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-body-card table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
        }

        .article-body-card table th,
        .article-body-card table td {
            border: 1px solid var(--border-color);
            padding: 12px 16px;
            font-size: 14px;
            line-height: 1.6;
        }

        .article-body-card table th {
            background: var(--bg-light);
            font-weight: 600;
            color: var(--text-main);
        }

        .article-body-card ul,
        .article-body-card ol {
            margin-bottom: 24px;
            padding-left: 24px;
        }

        .article-body-card li {
            margin-bottom: 8px;
        }

        /* ===== Post Navigation ===== */
        .post-navigation {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
        }

        .post-nav-link {
            display: block;
            flex: 1;
            padding: 18px 22px;
            border-radius: 12px;
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .post-nav-link:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .post-nav-label {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .post-nav-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }

        .post-nav-link:hover .post-nav-title {
            color: var(--primary);
        }

        /* ===== Content Not Found ===== */
        .content-not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .content-not-found .icon-circle {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 77, 36, 0.10);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 36px;
            margin-bottom: 24px;
        }

        .content-not-found h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .content-not-found p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* ===== Related Section ===== */
        .related-section {
            background: var(--bg-body);
            padding: 0 0 var(--space-section);
        }

        .related-card {
            display: block;
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            height: 100%;
            text-decoration: none;
            color: var(--text-main);
            border: 1px solid var(--border-color);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            color: var(--text-main);
            border-color: rgba(255, 77, 36, 0.30);
        }

        .related-card .cover-wrap {
            position: relative;
            overflow: hidden;
            background: #F0EDE8;
            aspect-ratio: 16 / 9;
        }

        .related-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .related-card:hover .cover-wrap img {
            transform: scale(1.04);
        }

        .related-card .cover-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.04), transparent 60%);
            pointer-events: none;
        }

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

        .related-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 77, 36, 0.08);
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
        }

        .related-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.3s;
        }

        .related-card:hover .read-more {
            gap: 8px;
        }

        /* ===== CTA Banner ===== */
        .cta-section {
            padding-bottom: var(--space-section);
            background: var(--bg-body);
        }

        .cta-banner {
            background: linear-gradient(135deg, rgba(255, 77, 36, 0.97) 0%, rgba(255, 138, 61, 0.94) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: 20px;
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            box-shadow: 0 16px 40px rgba(255, 77, 36, 0.25);
            position: relative;
            overflow: hidden;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn-light {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            border: none;
            padding: 14px 42px;
            border-radius: 10px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
        }

        .cta-banner .btn-light:hover {
            background: #fff;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 0;
        }

        .site-footer .logo {
            display: inline-flex;
            align-items: baseline;
            gap: 2px;
            text-decoration: none;
            margin-bottom: 16px;
        }

        .site-footer .brand-mark {
            color: var(--primary-light);
            font-size: 22px;
        }

        .site-footer .brand-suffix {
            color: rgba(255, 255, 255, 0.92);
            font-size: 22px;
        }

        .site-footer p {
            color: rgba(255, 255, 255, 0.70);
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 10px;
        }

        .footer-contact svg {
            flex-shrink: 0;
            color: var(--primary-light);
        }

        .site-footer .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

        .site-footer .list-unstyled li {
            margin-bottom: 10px;
        }

        .site-footer .list-unstyled a {
            color: rgba(255, 255, 255, 0.70);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition-base);
            display: inline-block;
        }

        .site-footer .list-unstyled a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-subscribe {
            display: flex;
            border-radius: 8px;
            overflow: hidden;
            background: #fff;
            max-width: 360px;
            margin-top: 16px;
        }

        .footer-subscribe input {
            flex: 1;
            border: none;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-main);
            outline: none;
            min-width: 0;
        }

        .footer-subscribe input::placeholder {
            color: var(--text-faint);
        }

        .footer-subscribe input:focus {
            box-shadow: 0 0 0 2px rgba(255, 77, 36, 0.30);
        }

        .footer-subscribe button {
            border: none;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 0 22px;
            cursor: pointer;
            transition: opacity 0.3s;
        }

        .footer-subscribe button:hover {
            opacity: 0.88;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 20px 0;
            margin-top: 48px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.60);
        }

        .footer-bottom .row {
            align-items: center;
        }

        /* ===== Floating CTA ===== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .float-cta svg {
            width: 22px;
            height: 22px;
            margin-bottom: 2px;
        }

        .float-cta span {
            font-size: 11px;
            font-weight: 600;
            line-height: 1;
        }

        .float-cta:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 36px rgba(255, 77, 36, 0.40);
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .nav-links {
                gap: 24px;
            }
        }

        @media (max-width: 991px) {
            :root {
                --space-section: 72px;
            }

            .navbar-toggler {
                display: inline-flex;
            }

            .nav-links,
            .header-cta {
                display: none;
            }

            .site-header.menu-open {
                height: auto;
                box-shadow: var(--shadow-md);
            }

            .site-header.menu-open .container {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 16px;
            }

            .site-header.menu-open .logo {
                position: static;
                transform: none;
                margin-right: auto;
            }

            .site-header.menu-open .nav-links {
                display: flex;
                flex: 0 0 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                width: 100%;
                padding: 12px 0 4px;
                order: 3;
            }

            .site-header.menu-open .nav-links.left {
                order: 3;
            }

            .site-header.menu-open .nav-links.right {
                order: 4;
            }

            .site-header.menu-open .nav-links li {
                width: 100%;
            }

            .site-header.menu-open .nav-links a {
                display: block;
                font-size: 18px;
                padding: 10px 0;
                border-bottom: 1px solid #F0EDE8;
            }

            .site-header.menu-open .header-cta {
                order: 5;
                display: inline-flex;
                margin: 12px auto 8px;
            }

            .nav-links.left {
                margin-right: auto;
            }

            .article-title {
                font-size: 32px;
            }

            .article-body-card {
                padding: 36px 32px;
            }

            .cta-banner {
                padding: 44px 28px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 56px;
            }

            body {
                font-size: 15px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .article-hero {
                padding: 48px 0 84px;
            }

            .article-title {
                font-size: 26px;
            }

            .article-meta {
                gap: 14px;
            }

            .article-body-card {
                padding: 24px 20px;
                border-radius: 16px;
            }

            .article-body-card h2 {
                font-size: 20px;
            }

            .article-body-card p {
                font-size: 15px;
                line-height: 1.8;
            }

            .post-navigation {
                flex-direction: column;
                gap: 12px;
            }

            .post-nav-link.text-end {
                text-align: left !important;
            }

            .cta-banner {
                padding: 36px 20px;
                border-radius: 16px;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

            .footer-subscribe {
                max-width: 100%;
            }

            .float-cta {
                width: 48px;
                height: 48px;
                right: 16px;
                bottom: 16px;
            }

            .float-cta svg {
                width: 18px;
                height: 18px;
            }

            .float-cta span {
                font-size: 10px;
            }
        }

        @media (max-width: 480px) {
            .article-hero {
                padding: 40px 0 72px;
            }

            .breadcrumb-current {
                max-width: 160px;
            }

            .article-meta .meta-item {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #FF4D24;
            --primary-dark: #E0431E;
            --primary-light: #FF8A3D;
            --primary-gradient: linear-gradient(135deg, #FF4D24 0%, #FF8A3D 100%);
            --secondary: #0E3B2E;
            --secondary-light: #14503D;
            --bg: #FAF7F2;
            --bg-white: #FFFFFF;
            --text: #212529;
            --text-secondary: #6C757D;
            --text-muted: #ADB5BD;
            --border: #E9E5E0;
            --border-light: #F0EDE8;
            --radius-xl: 20px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --space-section: 96px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: all 0.3s ease;
        }

        /* ========== Reset & Base ========== */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            background: var(--border-light);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        ul {
            list-style: none;
        }
        button:focus,
        a:focus,
        input:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
        }

        /* ========== 按钮 ========== */
        .btn-primary-custom {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 12px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 10px;
            box-shadow: 0 4px 14px rgba(255, 77, 36, 0.25);
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, #e0431e 0%, #ff6b1a 100%);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 77, 36, 0.35);
        }
        .btn-primary-custom:active {
            transform: scale(0.98);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 10px 30px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 10px;
            transition: var(--transition);
        }
        .btn-outline-custom:hover {
            background: rgba(255, 77, 36, 0.05);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-light-custom {
            background: #fff;
            color: var(--primary);
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 10px;
            border: none;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
        }
        .btn-light-custom:hover {
            background: #fff;
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            padding: 12px 30px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 10px;
            transition: var(--transition);
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
            border-color: #fff;
        }

        /* ========== Header 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            height: 64px;
            background: rgba(255, 255, 255, 0.92);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .site-header .container {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .site-header .logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            display: inline-flex;
            align-items: center;
            gap: 2px;
            z-index: 2;
            white-space: nowrap;
        }
        .brand-mark {
            font-weight: 900;
            font-size: 25px;
            color: var(--primary);
            letter-spacing: -0.5px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .brand-suffix {
            font-weight: 400;
            font-size: 18px;
            color: var(--secondary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 34px;
            margin: 0;
            padding: 0;
        }
        .nav-links.left {
            flex: 1;
        }
        .nav-links.right {
            flex: 1;
            justify-content: flex-end;
        }
        .nav-links a {
            position: relative;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            padding: 6px 2px;
            transition: color 0.3s ease;
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary-gradient);
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--primary);
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .header-cta {
            margin-left: 24px;
            padding: 10px 24px !important;
            font-size: 15px !important;
            border-radius: 10px !important;
        }
        .navbar-toggler {
            display: none;
            border: none;
            background: transparent;
            width: 40px;
            height: 40px;
            padding: 0;
            position: relative;
            z-index: 1050;
        }
        .hamburger,
        .hamburger::before,
        .hamburger::after {
            content: "";
            position: absolute;
            left: 8px;
            right: 8px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger {
            top: 19px;
        }
        .hamburger::before {
            top: -6px;
        }
        .hamburger::after {
            top: 6px;
        }
        .navbar-toggler.is-open .hamburger {
            background: transparent;
        }
        .navbar-toggler.is-open .hamburger::before {
            transform: rotate(45deg);
            top: 0;
        }
        .navbar-toggler.is-open .hamburger::after {
            transform: rotate(-45deg);
            top: 0;
        }

        /* ========== 移动端菜单 ========== */
        .mobile-menu {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 1029;
            display: none;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 40px 24px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            padding: 14px 20px;
            display: block;
            text-align: center;
            border-radius: var(--radius-md);
            width: 100%;
            max-width: 360px;
        }
        .mobile-menu a:hover {
            background: rgba(255, 77, 36, 0.08);
            color: var(--primary);
        }
        .mobile-menu a.active {
            color: var(--primary);
        }
        .mobile-menu .btn {
            margin-top: 16px;
            width: 100%;
            max-width: 360px;
            text-align: center;
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
            background:
                linear-gradient(100deg, rgba(14, 59, 46, 0.82) 0%, rgba(255, 77, 36, 0.78) 55%, rgba(255, 138, 61, 0.88) 100%),
                url("/assets/images/backpic/back-1.png") center / cover no-repeat;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -10%;
            right: -10%;
            height: 120px;
            background: var(--bg);
            border-radius: 50% 50% 0 0;
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 80px;
        }
        .breadcrumb-wrap {
            margin-bottom: 24px;
        }
        .breadcrumb-wrap ol {
            list-style: none;
            display: flex;
            gap: 8px;
            padding: 0;
            margin: 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .breadcrumb-wrap a {
            color: rgba(255, 255, 255, 0.85);
        }
        .breadcrumb-wrap a:hover {
            color: #fff;
        }
        .breadcrumb-wrap .sep {
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb-wrap .current {
            color: rgba(255, 255, 255, 0.9);
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            max-width: 680px;
            margin-bottom: 20px;
            color: #fff;
        }
        .category-hero .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.92);
            max-width: 600px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Section 通用 ========== */
        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            margin-top: 10px;
        }

        /* ========== 时间轴 ========== */
        .journey-section {
            padding: var(--space-section) 0;
            background: var(--bg);
        }
        .timeline {
            position: relative;
            max-width: 880px;
            margin: 0 auto;
            padding-left: 48px;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 16px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--secondary-light) 100%);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 44px 36px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-marker {
            position: absolute;
            left: -48px;
            top: 24px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border: 3px solid #fff;
            border-radius: 50%;
            box-shadow: 0 0 0 2px var(--primary), 0 0 0 5px rgba(255, 77, 36, 0.15);
        }
        .timeline-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .timeline-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 77, 36, 0.25);
        }
        .timeline-year {
            font-size: 40px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
            letter-spacing: -1px;
        }
        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .timeline-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== 核心能力图标列表 ========== */
        .capability-section {
            padding: var(--space-section) 0;
            background: var(--bg-white);
        }
        .capability-card {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }
        .capability-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }
        .capability-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 77, 36, 0.3);
        }
        .capability-card:hover::before {
            opacity: 1;
        }
        .capability-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 77, 36, 0.08);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .capability-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .capability-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== 数据统计区 ========== */
        .stats-section {
            padding: var(--space-section) 0;
            background: var(--secondary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            background: rgba(255, 77, 36, 0.12);
            border-radius: 50%;
        }
        .stats-section::after {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -100px;
            width: 260px;
            height: 260px;
            border: 2px solid rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stat-badge {
            text-align: center;
            padding: 16px 0;
        }
        .stat-num {
            display: block;
            font-size: 44px;
            font-weight: 900;
            line-height: 1.1;
            background: linear-gradient(135deg, #FF8A3D, #FF4D24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 1px;
        }

        /* ========== 场景区 ========== */
        .scenario-section {
            padding: var(--space-section) 0;
            background: var(--bg);
        }
        .scenario-img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
            height: 440px;
        }
        .scenario-content h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .scenario-content>p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 24px;
        }
        .scenario-list {
            padding: 0;
            margin: 0;
        }
        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px dashed var(--border);
        }
        .scenario-list li:last-child {
            border-bottom: none;
        }
        .scenario-list i {
            color: var(--primary);
            font-size: 20px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .scenario-list strong {
            display: block;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .scenario-list span {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--space-section) 0;
            background: var(--bg-white);
        }
        .faq-section .accordion {
            max-width: 840px;
            margin: 0 auto;
            --bs-accordion-border-width: 0;
            --bs-accordion-border-color: transparent;
            --bs-accordion-bg: transparent;
            --bs-accordion-btn-focus-box-shadow: none;
        }
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px !important;
            overflow: hidden;
            background: #fff;
            transition: var(--transition);
        }
        .accordion-item:last-child {
            margin-bottom: 0 !important;
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(255, 77, 36, 0.35) !important;
            box-shadow: var(--shadow);
        }
        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            padding: 22px 24px;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(255, 77, 36, 0.03);
        }
        .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\2b";
            font-size: 18px;
            color: var(--primary);
            width: auto;
            height: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .accordion-body {
            padding: 8px 24px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ========== CTA 横幅 ========== */
        .cta-banner {
            padding: 80px 0;
            background: var(--primary-gradient);
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 100%;
            background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
        }
        .cta-banner .container {
            position: relative;
            z-index: 2;
        }
        .cta-banner h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-banner p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.92);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        /* ========== 浮动 CTA ========== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            box-shadow: 0 8px 24px rgba(255, 77, 36, 0.4);
            z-index: 1040;
            transition: var(--transition);
        }
        .float-cta i {
            font-size: 18px;
            line-height: 1;
        }
        .float-cta span {
            font-size: 10px;
            font-weight: 600;
            line-height: 1;
        }
        .float-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 77, 36, 0.5);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 0;
            font-size: 14px;
        }
        .site-footer .logo {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            margin-bottom: 16px;
        }
        .site-footer .brand-mark {
            color: #fff;
            -webkit-text-fill-color: #fff;
            background: none;
            font-size: 24px;
        }
        .site-footer .brand-suffix {
            color: rgba(255, 255, 255, 0.8);
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }
        .footer-contact {
            padding: 0;
            margin: 20px 0 0;
            list-style: none;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-contact svg {
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .site-footer .list-unstyled li {
            margin-bottom: 10px;
        }
        .site-footer .list-unstyled a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: all 0.3s ease;
        }
        .site-footer .list-unstyled a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-newsletter p {
            margin-bottom: 16px;
        }
        .footer-subscribe {
            display: flex;
            background: #fff;
            border-radius: var(--radius-sm);
            overflow: hidden;
            max-width: 360px;
        }
        .footer-subscribe input {
            flex: 1;
            border: none;
            padding: 12px 16px;
            font-size: 14px;
            background: transparent;
            outline: none;
            min-width: 0;
        }
        .footer-subscribe input:focus {
            box-shadow: inset 0 0 0 2px rgba(255, 77, 36, 0.3);
        }
        .footer-subscribe button {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            filter: brightness(1.1);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .navbar-toggler {
                display: block;
            }
            .site-header .container {
                justify-content: flex-end;
            }
            .site-header .logo {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .timeline {
                padding-left: 36px;
            }
            .timeline-marker {
                left: -36px;
            }
            .scenario-img {
                height: 360px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --space-section: 64px;
            }
            .category-hero {
                min-height: 420px;
            }
            .category-hero .container {
                padding-top: 24px;
                padding-bottom: 60px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .serial-sec {
                padding: var(--space-section) 0;
            }
            .timeline::before {
                left: 8px;
            }
            .timeline-item {
                padding-left: 24px;
                padding-bottom: 36px;
            }
            .timeline-marker {
                left: -36px;
                width: 12px;
                height: 12px;
                top: 28px;
                box-shadow: 0 0 0 2px var(--primary);
            }
            .timeline-card {
                padding: 22px 20px;
            }
            .timeline-year {
                font-size: 34px;
            }
            .stat-num {
                font-size: 36px;
            }
            .scenario-img {
                height: 260px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .footer-subscribe {
                max-width: 100%;
            }
            .float-cta {
                width: 48px;
                height: 48px;
                right: 16px;
                bottom: 16px;
            }
            .float-cta span {
                display: none;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #FF4D24;
            --primary-dark: #E0431E;
            --primary-grad: linear-gradient(135deg, #FF4D24 0%, #FF8A3D 100%);
            --accent: #0E3B2E;
            --accent-soft: rgba(14, 59, 46, 0.08);
            --bg: #FAF7F2;
            --white: #FFFFFF;
            --text: #212529;
            --text-muted: #6C757D;
            --text-light: #ADB5BD;
            --border: #E9E5E0;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --space-section: 96px;
            --space-card: 24px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        a {
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E8E6E3;
            height: 64px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            position: relative;
        }

        .site-header .logo {
            display: flex;
            align-items: baseline;
            gap: 2px;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            white-space: nowrap;
        }

        .site-header .brand-mark {
            font-size: 22px;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .site-header .brand-suffix {
            font-size: 16px;
            font-weight: 400;
            color: var(--text);
        }

        .nav-links {
            display: flex;
            gap: 32px;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            position: relative;
            padding: 6px 2px;
            display: inline-block;
        }

        .nav-links li a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

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

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

        .nav-links li a.active {
            color: var(--primary);
        }

        .header-cta {
            margin-left: auto;
            white-space: nowrap;
        }

        .navbar-toggler {
            display: none;
            background: transparent;
            border: 0;
            padding: 8px;
            cursor: pointer;
        }

        .hamburger,
        .hamburger::before,
        .hamburger::after {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 4px;
            position: relative;
            transition: all 0.3s ease;
            content: "";
        }

        .hamburger::before {
            position: absolute;
            top: -7px;
        }

        .hamburger::after {
            position: absolute;
            top: 7px;
        }

        .navbar-toggler.open .hamburger {
            background: transparent;
        }

        .navbar-toggler.open .hamburger::before {
            top: 0;
            transform: rotate(45deg);
        }

        .navbar-toggler.open .hamburger::after {
            top: 0;
            transform: rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            z-index: 999;
            padding: 40px 32px;
            overflow-y: auto;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu li a {
            display: block;
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            padding: 14px 12px;
            border-radius: var(--radius-sm);
            line-height: 1.4;
        }

        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--primary);
            background: var(--accent-soft);
        }

        .mobile-menu .btn {
            margin-top: 16px;
            text-align: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 10px;
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary-custom {
            background: var(--primary-grad);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 77, 36, 0.30);
        }

        .btn-primary-custom:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 77, 36, 0.38);
            filter: brightness(1.04);
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.75);
        }

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

        .btn-light-custom {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }

        .btn-light-custom:hover {
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
        }

        .btn-lg {
            font-size: 17px;
            padding: 14px 34px;
        }

        .page-hero {
            position: relative;
            background: var(--primary-grad);
            padding: 84px 0 76px;
            overflow: hidden;
            color: #fff;
        }

        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .page-hero .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(14, 59, 46, 0.35) 100%);
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-nav {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.92);
        }

        .breadcrumb-nav a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .breadcrumb-nav span {
            opacity: 0.85;
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -0.5px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.92);
            max-width: 560px;
            margin: 0 0 32px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-stats {
            display: flex;
            gap: 0;
            align-items: center;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            padding: 0 28px;
            position: relative;
        }

        .stat-item:first-child {
            padding-left: 0;
        }

        .stat-item:not(:first-child)::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 40px;
            background: rgba(255, 255, 255, 0.4);
        }

        .stat-item strong {
            font-size: 30px;
            font-weight: 900;
            line-height: 1.2;
            color: #fff;
        }

        .stat-item span {
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            margin-top: 2px;
        }

        .tag {
            display: inline-block;
            background: rgba(255, 77, 36, 0.10);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0;
        }

        .info-split {
            padding: var(--space-section) 0;
        }

        .split-one {
            background: var(--white);
        }

        .split-two {
            background: var(--bg);
        }

        .info-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: 420px;
            object-fit: cover;
            border: 6px solid #fff;
        }

        .info-split h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            margin: 0 0 16px;
        }

        .info-split p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .feature-list {
            margin-bottom: 32px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .feature-list li i {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 77, 36, 0.10);
            color: var(--primary);
            border-radius: 10px;
            font-size: 16px;
            margin-top: 2px;
        }

        .feature-list strong {
            display: block;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 2px;
        }

        .quote-banner {
            position: relative;
            padding: 88px 0;
            text-align: center;
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .quote-banner .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 77, 36, 0.92) 0%, rgba(14, 59, 46, 0.86) 100%);
        }

        .quote-banner .container {
            position: relative;
            z-index: 1;
        }

        .quote-banner blockquote {
            font-size: 34px;
            font-weight: 900;
            color: #fff;
            line-height: 1.35;
            margin: 0 0 16px;
            letter-spacing: -0.5px;
        }

        .quote-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 520px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .scenes {
            padding: var(--space-section) 0;
            background: var(--white);
        }

        .scene-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
        }

        .scene-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 77, 36, 0.35);
            background: #fff;
        }

        .scene-card i {
            font-size: 32px;
            color: var(--primary);
            background: rgba(255, 77, 36, 0.10);
            width: 64px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin: 0 auto 20px;
        }

        .scene-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .scene-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .process {
            padding: var(--space-section) 0;
            background: var(--bg);
        }

        .process-step {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
        }

        .process-step:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(255, 77, 36, 0.30);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 32px;
            font-weight: 900;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        .faq-section {
            padding: var(--space-section) 0;
            background: var(--white);
        }

        .custom-accordion {
            max-width: 840px;
            margin: 0 auto;
        }

        .custom-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: none;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            background: #fff;
        }

        .custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .custom-accordion .accordion-button {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            padding: 20px 24px;
            background: #fff;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: color 0.3s ease;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--primary);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 77, 36, 0.15);
        }

        .custom-accordion .accordion-button::after {
            background-image: none;
            content: "+";
            font-family: system-ui, sans-serif;
            font-size: 24px;
            font-weight: 400;
            color: var(--primary);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            transform-origin: center;
            transition: transform 0.3s ease;
            line-height: 1;
        }

        .custom-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .custom-accordion .accordion-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            margin-top: 0;
        }

        .cta-banner {
            padding: 72px 0;
            background: var(--primary-grad);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.18) 0%, transparent 50%);
            pointer-events: none;
        }

        .cta-banner .container {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 28px;
        }

        .site-footer {
            background: var(--accent);
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 24px;
        }

        .site-footer .logo {
            display: inline-flex;
            align-items: baseline;
            gap: 2px;
            margin-bottom: 18px;
        }

        .site-footer .brand-mark {
            font-size: 24px;
            font-weight: 900;
            color: var(--primary);
        }

        .site-footer .brand-suffix {
            font-size: 16px;
            font-weight: 400;
            color: #fff;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 20px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
        }

        .footer-contact svg {
            flex-shrink: 0;
            opacity: 0.85;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .site-footer ul.list-unstyled {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer ul.list-unstyled a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            display: inline-block;
            transition: color 0.25s ease, transform 0.25s ease;
        }

        .site-footer ul.list-unstyled a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-subscribe {
            margin-bottom: 14px;
        }

        .subscribe-form {
            display: flex;
            gap: 0;
            max-width: 340px;
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
        }

        .subscribe-form input {
            flex: 1;
            border: none;
            padding: 12px 16px;
            font-size: 14px;
            background: #fff;
            color: var(--text);
            min-width: 0;
        }

        .subscribe-form input:focus {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }

        .subscribe-form .btn {
            border-radius: 0;
            padding: 12px 20px;
            font-size: 14px;
        }

        .subscribe-form .btn:focus-visible {
            outline: 2px solid #fff;
            outline-offset: -4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.60);
            margin: 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.72);
        }

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

        @media (max-width: 991px) {
            .site-header .logo {
                left: 24px;
                transform: none;
                position: static;
                order: 0;
            }

            .site-header .container {
                justify-content: space-between;
                gap: 12px;
            }

            .nav-links {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .navbar-toggler {
                display: block;
                order: 2;
            }

            .mobile-menu {
                display: block;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 64px;
            }

            .container {
                padding: 0 16px;
            }

            .page-hero {
                padding: 56px 0 52px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .hero-sub {
                font-size: 15px;
            }

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

            .stat-item {
                padding: 0 14px;
            }

            .stat-item:first-child {
                padding-left: 0;
            }

            .stat-item strong {
                font-size: 24px;
            }

            .stat-item span {
                font-size: 13px;
            }

            .info-img {
                height: 240px;
                margin-bottom: 24px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .quote-banner {
                padding: 56px 0;
            }

            .quote-banner blockquote {
                font-size: 26px;
            }

            .process-step {
                margin-bottom: 16px;
            }

            .cta-banner h2 {
                font-size: 25px;
            }

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

        @media (max-width: 520px) {
            .site-header {
                height: 58px;
            }

            .site-header .brand-mark {
                font-size: 20px;
            }

            .site-header .brand-suffix {
                font-size: 14px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .hero-stats {
                gap: 12px;
            }

            .stat-item {
                padding: 0 10px;
            }

            .stat-item:first-child {
                padding-left: 0;
            }

            .stat-item:not(:first-child)::before {
                display: none;
            }

            .stat-item strong {
                font-size: 22px;
            }

            .info-split h2 {
                font-size: 22px;
            }

            .quote-banner blockquote {
                font-size: 22px;
            }

            .scene-card {
                padding: 24px 18px;
            }

            .custom-accordion .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }

            .custom-accordion .accordion-body {
                padding: 0 18px 16px;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #FF4D24;
            --color-primary-dark: #E0431E;
            --color-primary-light: #FF8A3D;
            --color-secondary: #0E3B2E;
            --color-bg: #FAF7F2;
            --color-card: #FFFFFF;
            --color-text: #212529;
            --color-text-muted: #6C757D;
            --color-text-light: #ADB5BD;
            --color-border: #E9E5E0;
            --gradient-primary: linear-gradient(135deg, #FF4D24 0%, #FF8A3D 100%);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --space-section: 96px;
            --space-card: 24px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 通用按钮 ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-primary);
            color: #fff;
            border: none;
            border-radius: 10px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            line-height: 1;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(255, 77, 36, 0.25);
        }
        .btn-primary-custom:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 77, 36, 0.35);
            filter: brightness(1.05);
        }
        .btn-primary-custom:active {
            transform: scale(0.98);
        }
        .btn-primary-custom:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.9);
            border-radius: 10px;
            padding: 13px 32px;
            font-size: 16px;
            font-weight: 600;
            line-height: 1;
            transition: all 0.3s ease;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-custom:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            height: 64px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }
        .site-header .container {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-header .logo {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            display: flex;
            align-items: center;
            gap: 2px;
            white-space: nowrap;
            z-index: 10;
        }
        .logo .brand-mark {
            font-size: 22px;
            font-weight: 900;
            color: var(--color-primary);
            letter-spacing: -0.5px;
        }
        .logo .brand-suffix {
            font-size: 22px;
            font-weight: 400;
            color: var(--color-text);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links.left {
            margin-right: auto;
            padding-left: 0;
        }
        .nav-links.right {
            margin-left: auto;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            position: relative;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 2px;
            transition: color 0.3s ease;
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--gradient-primary);
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: var(--color-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--color-primary);
        }
        .header-cta {
            margin-left: 24px;
            padding: 10px 24px;
            font-size: 15px;
            border-radius: 8px;
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            padding: 0;
        }
        .hamburger,
        .hamburger::before,
        .hamburger::after {
            content: "";
            position: relative;
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger::before {
            position: absolute;
            top: -8px;
        }
        .hamburger::after {
            position: absolute;
            top: 8px;
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(255, 77, 36, 0.92) 0%, rgba(255, 138, 61, 0.88) 100%),
                url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            color: #fff;
            padding: 80px 0;
            overflow: hidden;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 80px;
            background: linear-gradient(180deg, transparent, rgba(14, 59, 46, 0.35));
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            font-size: 14px;
            font-weight: 400;
            margin-bottom: 20px;
            opacity: 0.9;
        }
        .breadcrumb-nav a {
            color: #fff;
            text-decoration: none;
            transition: opacity 0.3s;
        }
        .breadcrumb-nav a:hover {
            opacity: 0.75;
        }
        .breadcrumb-nav span {
            margin: 0 8px;
            opacity: 0.7;
        }
        .page-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: -0.5px;
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            max-width: 640px;
            opacity: 0.9;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .page-hero .btn-outline-custom {
            border-color: rgba(255, 255, 255, 0.9);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }
        .hero-stats .stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stats .stat strong {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.2;
        }
        .hero-stats .stat span {
            font-size: 14px;
            font-weight: 500;
            opacity: 0.85;
            margin-top: 4px;
        }

        /* ===== 成果数据区 ===== */
        .proof-section {
            background: var(--color-secondary);
            color: #fff;
            padding: 80px 0;
        }
        .proof-section .data-badge {
            text-align: center;
            padding: 36px 24px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .proof-section .data-badge:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
        }
        .data-badge .data-number {
            display: block;
            font-size: 38px;
            font-weight: 900;
            line-height: 1.2;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .data-badge .data-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-top: 8px;
            color: rgba(255, 255, 255, 0.8);
        }

        /* ===== 案例卡片区 ===== */
        .cases-section {
            background: var(--color-bg);
            padding: var(--space-section) 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0;
            letter-spacing: -0.3px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--color-text-muted);
            margin: 8px 0 0;
            max-width: 560px;
        }
        .case-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px solid #eee;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 77, 36, 0.3);
        }
        .case-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #F0EDE8;
        }
        .case-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .case-card:hover .card-img img {
            transform: scale(1.04);
        }
        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }
        .case-card .card-body {
            padding: 24px 24px 28px;
        }
        .case-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .case-card .card-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-muted);
            margin: 0 0 20px;
        }
        .case-card .card-result {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 77, 36, 0.08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
        }
        .case-card .card-result svg {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        /* ===== 解决方案区 ===== */
        .solutions-section {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .solution-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 72px;
            align-items: center;
            margin-bottom: 80px;
        }
        .solution-block:last-child {
            margin-bottom: 0;
        }
        .solution-block.reverse .solution-img {
            order: 2;
        }
        .solution-block .solution-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .solution-block .solution-img img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .solution-block .solution-img::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
        }
        .solution-text .solution-label {
            display: inline-flex;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(255, 77, 36, 0.08);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .solution-text h2 {
            font-size: 26px;
            font-weight: 800;
            margin: 0 0 16px;
            line-height: 1.3;
        }
        .solution-text > p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }
        .solution-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .solution-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            margin-bottom: 14px;
        }
        .solution-text ul li svg {
            width: 18px;
            height: 18px;
            color: var(--color-primary);
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* ===== 对比表区 ===== */
        .compare-section {
            background: #F3F0EB;
            padding: var(--space-section) 0;
        }
        .compare-table {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }
        .compare-table .table {
            margin: 0;
            --bs-table-bg: transparent;
        }
        .compare-table .table th,
        .compare-table .table td {
            padding: 18px 24px;
            font-size: 15px;
            border-color: var(--color-border);
            vertical-align: middle;
        }
        .compare-table .table thead th {
            background: var(--color-secondary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 20px 24px;
            border: none;
            white-space: nowrap;
        }
        .compare-table .table thead th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table .table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table .table tbody th {
            font-weight: 600;
            color: var(--color-text);
        }
        .compare-table .table tbody td {
            color: var(--color-text-muted);
        }
        .compare-table .table tbody tr:hover {
            background-color: rgba(255, 77, 36, 0.02);
        }
        .compare-mark {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .compare-mark .icon-check {
            color: var(--color-primary);
        }
        .compare-mark .icon-times {
            color: var(--color-text-light);
        }

        /* ===== 合作流程区 ===== */
        .process-section {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .process-step {
            position: relative;
            text-align: center;
            padding: 32px 20px;
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-primary);
            border-radius: 16px;
            box-shadow: 0 8px 20px rgba(255, 77, 36, 0.25);
        }
        .step-icon svg {
            width: 24px;
            height: 24px;
            color: #fff;
        }
        .step-num {
            font-size: 34px;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 8px;
            opacity: 0.25;
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ 区 ===== */
        .faq-section {
            background: var(--color-bg);
            padding: var(--space-section) 0;
        }
        .faq-accordion {
            max-width: 840px;
            margin: 0 auto;
        }
        .faq-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(255, 77, 36, 0.25);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .faq-accordion .accordion-button {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            background: #fff;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: color 0.3s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: #fff;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(255, 77, 36, 0.2);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 26px;
            font-weight: 300;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform 0.3s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .faq-accordion .accordion-body {
            padding: 4px 24px 24px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-muted);
        }

        /* ===== CTA 横幅 ===== */
        .cta-section {
            background: var(--gradient-primary);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
        }
        .cta-content h2 {
            font-size: 30px;
            font-weight: 900;
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .cta-content p {
            font-size: 16px;
            opacity: 0.92;
            margin: 0;
            line-height: 1.7;
            max-width: 480px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-white {
            background: #fff;
            color: var(--color-primary);
            border: none;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }
        .cta-section .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        }
        .cta-section .btn-outline-custom {
            border-color: #fff;
            color: #fff;
        }
        .cta-section .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 72px 0 0;
            font-size: 14px;
        }
        .site-footer .logo {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            margin-bottom: 16px;
        }
        .site-footer .brand-mark {
            font-size: 20px;
            font-weight: 900;
            color: #fff;
        }
        .site-footer .brand-suffix {
            font-size: 20px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.85);
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }
        .footer-contact li svg {
            color: var(--color-primary-light);
            flex-shrink: 0;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            text-transform: none;
            letter-spacing: 0.3px;
        }
        .site-footer .list-unstyled li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 2.2;
            transition: all 0.3s ease;
            padding-left: 0;
        }
        .site-footer .list-unstyled li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-subscribe p {
            margin-bottom: 16px;
        }
        .subscribe-form {
            display: flex;
            gap: 0;
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            padding: 4px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }
        .subscribe-form .form-control {
            flex: 1;
            background: transparent;
            border: none;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--color-text);
            box-shadow: none;
            border-radius: 6px 0 0 6px;
        }
        .subscribe-form .form-control:focus {
            box-shadow: none;
            background: transparent;
            outline: none;
        }
        .subscribe-form .btn {
            border-radius: 6px;
            padding: 10px 24px;
            font-size: 14px;
            white-space: nowrap;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 20px 0;
            margin-top: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991.98px) {
            .site-header {
                height: 64px;
            }
            .site-header .logo {
                position: static;
                transform: none;
                margin-right: auto;
            }
            .navbar-toggler {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .site-header.nav-open .nav-links {
                display: flex;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            }
            .site-header.nav-open .nav-links.left,
            .site-header.nav-open .nav-links.right {
                margin: 0;
                padding: 0 24px;
            }
            .site-header.nav-open .nav-links li {
                width: 100%;
            }
            .site-header.nav-open .nav-links a {
                display: block;
                font-size: 20px;
                font-weight: 600;
                padding: 12px 0;
                color: var(--color-text);
            }
            .site-header.nav-open .nav-links a:hover,
            .site-header.nav-open .nav-links a.active {
                color: var(--color-primary);
            }
            .site-header.nav-open .nav-links a::after {
                display: none;
            }
            .site-header.nav-open .header-cta {
                display: inline-flex;
                margin: 16px 0 0;
                width: 100%;
                justify-content: center;
            }
            .solution-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .solution-block.reverse .solution-img {
                order: 0;
            }
            .page-hero {
                min-height: 420px;
                padding: 56px 0;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-stats {
                gap: 24px;
            }
            .cta-section .container {
                flex-direction: column;
                text-align: center;
            }
            .cta-content p {
                margin-left: auto;
                margin-right: auto;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --space-section: 64px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-links.left,
            .nav-links.right {
                gap: 20px;
            }
            .page-hero {
                min-height: 420px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stats .stat strong {
                font-size: 26px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .proof-section {
                padding: 56px 0;
            }
            .solution-block {
                gap: 24px;
                margin-bottom: 56px;
            }
            .solution-text h2 {
                font-size: 22px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
                margin-top: 32px;
            }
            .compare-table .table th,
            .compare-table .table td {
                padding: 14px 16px;
                font-size: 14px;
            }
            .compare-table .table thead th {
                padding: 16px;
                font-size: 14px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-content h2 {
                font-size: 24px;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .site-footer {
                padding: 56px 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
        }