/* roulang page: index */
:root {
            --primary: #1d5c6b;
            --primary-dark: #163f49;
            --primary-soft: #edf4f4;
            --accent: #e07a5f;
            --accent-dark: #c5634a;
            --bg: #fafaf9;
            --surface: #ffffff;
            --bg-soft: #f2f7f6;
            --line: #e4e8e7;
            --text: #24292e;
            --muted: #5c6b73;
            --radius: 14px;
            --radius-sm: 9px;
            --shadow-sm: 0 2px 12px rgba(28, 60, 65, 0.06);
            --shadow-md: 0 8px 24px rgba(28, 60, 65, 0.09);
            --shadow-lg: 0 16px 42px rgba(28, 60, 65, 0.12);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 1rem;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

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

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

        p {
            margin: 0 0 1rem;
        }

        .btn {
            border-radius: 50px;
            font-size: 1rem;
            padding: 0.72rem 1.6rem;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary-custom {
            background: var(--accent);
            border: 1px solid var(--accent);
            color: #fff;
            font-weight: 500;
        }

        .btn-primary-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            box-shadow: 0 8px 22px rgba(224, 122, 95, 0.3);
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid rgba(29, 92, 107, 0.4);
            color: var(--primary);
        }

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

        .btn-dark-custom {
            background: var(--primary-dark);
            border: 1px solid var(--primary-dark);
            color: #fff;
        }

        .btn-dark-custom:hover {
            background: #0c2d35;
            border-color: #0c2d35;
            color: #fff;
        }

        .section-spacing {
            padding: 104px 0;
            position: relative;
        }

        .section-header {
            max-width: 780px;
            margin-bottom: 52px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary);
            letter-spacing: 0.04em;
        }

        .section-eyebrow::before {
            content: "";
            width: 26px;
            height: 2px;
            background: var(--accent);
            display: inline-block;
            border-radius: 4px;
        }

        .section-header h2 {
            font-size: clamp(1.85rem, 3.6vw, 2.5rem);
            font-weight: 700;
            margin: 16px 0 14px;
            letter-spacing: -0.01em;
            color: var(--text);
        }

        .section-header p {
            color: var(--muted);
            font-size: 1.05rem;
            margin: 0;
        }

        .text-muted-new {
            color: var(--muted) !important;
        }

        .brand-accent {
            color: var(--accent);
        }

        .divider-light {
            border: 0;
            height: 1px;
            background: var(--line);
            opacity: 1;
            margin: 0;
        }

        /* ===== 导航 ===== */
        .site-navbar {
            background: #fff;
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(228, 232, 231, 0.85);
        }

        .site-navbar .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.28rem;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        .site-navbar .navbar-brand:hover {
            color: var(--text);
        }

        .site-navbar .navbar-brand i {
            color: var(--accent);
            font-size: 1.35rem;
        }

        .brand-dot {
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
            position: relative;
            display: inline-block;
            box-shadow: 0 0 0 4px rgba(224, 122, 95, 0.14);
        }

        .site-navbar .nav-link {
            color: #41505a;
            font-weight: 500;
            padding: 0.6rem 0.9rem;
            margin: 0 0.3rem;
            position: relative;
            transition: color 0.2s ease;
        }

        .site-navbar .nav-link::after {
            content: "";
            position: absolute;
            left: 0.9rem;
            right: 0.9rem;
            bottom: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 8px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.25s ease;
        }

        .site-navbar .nav-link:hover {
            color: var(--primary);
        }

        .site-navbar .nav-link:hover::after {
            transform: scaleX(1);
        }

        .site-navbar .nav-link.active {
            color: var(--primary);
        }

        .site-navbar .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-cta {
            border-radius: 50px;
            padding: 0.5rem 1.2rem;
            margin-left: 0.7rem;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-weight: 500;
            background: transparent;
        }

        .nav-cta:hover {
            background: var(--primary);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0.45rem 0.65rem;
            color: var(--primary);
            background: #fff;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--accent);
        }

        /* ===== Hero ===== */
        .hero-section {
            padding: 84px 0 96px;
            background: #fff;
            overflow: hidden;
            position: relative;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            right: -160px;
            top: -100px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(29, 92, 107, 0.08), rgba(242, 247, 246, 0.2) 60%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .hero-copy {
            padding-right: 20px;
            z-index: 2;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            background: var(--primary-soft);
            border-radius: 50px;
            padding: 0.4rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary);
        }

        .hero-kicker i {
            margin-right: 6px;
            font-size: 0.8rem;
        }

        .hero-section h1 {
            font-size: clamp(2rem, 4.8vw, 3.2rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--text);
            margin: 22px 0 20px;
        }

        .hero-section .hero-lead {
            font-size: 1.15rem;
            color: var(--muted);
            max-width: 580px;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 28px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 26px;
            color: var(--muted);
            font-size: 0.9rem;
            align-items: center;
        }

        .hero-meta .badge-soft {
            background: var(--bg-soft);
            border: 1px solid var(--line);
            border-radius: 50px;
            padding: 0.3rem 0.8rem;
            color: var(--text);
            font-weight: 400;
        }

        .hero-visual {
            display: flex;
            justify-content: flex-end;
            z-index: 2;
        }

        .hero-frame {
            max-width: 460px;
            width: 100%;
            border-radius: 18px;
            background: var(--primary-soft);
            padding: 8px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .hero-frame img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 13px;
            background: var(--bg-soft);
        }

        .hero-frame-caption {
            padding: 14px 16px 8px;
            color: var(--primary);
            font-size: 0.95rem;
            font-weight: 500;
        }

        /* ===== 功能 ===== */
        .feature-section {
            background: var(--bg);
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 32px;
            border: 1px solid rgba(228, 232, 231, 0.72);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(29, 92, 107, 0.16);
        }

        .feature-icon {
            width: 54px;
            height: 54px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 20px;
            position: relative;
        }

        .feature-icon::after {
            content: "";
            position: absolute;
            inset: 6px;
            border: 1px solid rgba(29, 92, 107, 0.15);
            border-radius: 8px;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.8;
        }

        /* ===== 截图轮播 ===== */
        .preview-section {
            background: #ffffff;
        }

        .preview-wrap {
            max-width: 930px;
            margin: 0 auto;
        }

        .preview-slide {
            position: relative;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .preview-slide img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: var(--primary-soft);
            display: block;
        }

        .preview-slide .slide-caption {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(18, 44, 50, 0.72);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            color: #fff;
            border-radius: 8px;
            padding: 6px 15px;
            font-size: 0.95rem;
        }

        .carousel-control-prev,
        .carousel-control-next {
            width: 42px;
            height: 42px;
            top: auto;
            bottom: 24px;
            margin-left: 10px;
            border-radius: 50%;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .carousel-control-prev {
            left: auto;
            right: 64px;
            margin-left: 0;
        }

        .carousel-control-next {
            right: 14px;
        }

        .carousel-indicators {
            bottom: 82px;
            margin-right: 24px;
            margin-bottom: 0;
            margin-left: 0;
            justify-content: flex-end;
            gap: 5px;
        }

        .carousel-indicators [data-bs-target] {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.8);
            border: none;
            opacity: 0.7;
        }

        .carousel-indicators .active {
            background: var(--accent);
            opacity: 1;
        }

        .function-badges {
            margin-top: 30px;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        .function-badges .func-badge {
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: 50px;
            padding: 0.35rem 1rem;
            color: var(--muted);
            font-size: 0.9rem;
        }

        .function-badges .func-badge i {
            color: var(--accent);
            margin-right: 6px;
        }

        /* ===== 系统要求 ===== */
        .spec-section {
            background: var(--bg-soft);
        }

        .spec-panel {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            padding: 34px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
        }

        .spec-panel:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(29, 92, 107, 0.18);
        }

        .spec-panel .spec-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .spec-title i {
            color: var(--accent);
        }

        .spec-list {
            margin: 0;
        }

        .spec-list li {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px solid var(--line);
            font-size: 0.96rem;
            gap: 18px;
        }

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

        .spec-label {
            color: var(--muted);
            flex-shrink: 0;
        }

        .spec-value {
            text-align: right;
            color: var(--text);
            font-weight: 500;
        }

        .spec-note {
            margin-top: 22px;
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            background: var(--bg);
            border-radius: 8px;
            padding: 10px 14px;
        }

        /* ===== 评价 ===== */
        .review-section {
            background: #fff;
        }

        .review-card {
            height: 100%;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--line);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .review-card .stars {
            color: #f4b400;
            font-size: 0.95rem;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }

        .review-card blockquote {
            font-size: 1rem;
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 20px;
            border-left: 3px solid var(--accent);
            padding-left: 14px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-avatar {
            width: 46px;
            height: 46px;
            background: var(--primary-soft);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
        }

        .review-user .name {
            font-weight: 600;
            color: var(--text);
            font-size: 0.97rem;
        }

        .review-user .role {
            color: var(--muted);
            font-size: 0.86rem;
        }

        /* ===== 资讯问答 ===== */
        .news-section {
            background: var(--bg);
        }

        .section-head-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-end;
            gap: 18px;
            margin-bottom: 38px;
        }

        .section-head-row .section-header {
            max-width: 620px;
            margin-bottom: 0;
        }

        .more-link {
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-bottom: 1px solid transparent;
            transition: 0.2s ease;
        }

        .more-link:hover {
            color: var(--accent-dark);
            border-bottom-color: var(--accent);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 24px 28px;
            transition: var(--transition);
            display: block;
            width: 100%;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(29, 92, 107, 0.2);
            transform: translateX(6px);
        }

        .news-top {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        .news-cat {
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.78rem;
            padding: 0.15rem 0.55rem;
            border-radius: 12px;
            font-weight: 500;
        }

        .news-time {
            color: var(--muted);
            font-size: 0.85rem;
        }

        .news-item h3 {
            font-size: 1.18rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .news-item p {
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .empty-state {
            border: 1px dashed var(--line);
            background: #fff;
            padding: 40px 24px;
            text-align: center;
            color: var(--muted);
            border-radius: var(--radius);
        }

        .empty-state i {
            font-size: 1.8rem;
            color: var(--primary);
            opacity: 0.3;
            margin-bottom: 8px;
        }

        .empty-state p {
            margin-bottom: 0;
        }

        /* ===== 下载 ===== */
        .download-section {
            background: #fff;
        }

        .download-box {
            position: relative;
            border-radius: 22px;
            overflow: hidden;
            background: var(--primary-dark);
            padding: 64px 48px;
            box-shadow: var(--shadow-lg);
        }

        .download-box::before {
            content: "";
            position: absolute;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            inset: 0;
        }

        .download-box-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

        .download-copy {
            flex: 1 1 300px;
            color: #fff;
        }

        .download-copy h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .download-copy p {
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 12px;
            max-width: 520px;
        }

        .download-meta small {
            display: inline-block;
            background: rgba(255, 255, 255, 0.14);
            padding: 0.26rem 0.86rem;
            border-radius: 50px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.82rem;
            margin: 4px 5px 0 0;
        }

        .download-actions {
            flex: 0 0 340px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .download-btn {
            display: flex;
            align-items: center;
            gap: 13px;
            background: #fff;
            color: var(--primary-dark);
            border-radius: 14px;
            padding: 17px 22px;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid #fff;
            transition: var(--transition);
            max-width: 260px;
        }

        .download-btn i {
            font-size: 1.6rem;
            color: var(--accent);
        }

        .download-btn:hover {
            background: transparent;
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(0, 0, 0, 0.2);
        }

        .qr-side {
            background: rgba(255, 255, 255, 0.12);
            border: 1px dashed rgba(255, 255, 255, 0.4);
            border-radius: 12px;
            width: 120px;
            height: 150px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.8rem;
            text-align: center;
            gap: 6px;
        }

        .qr-side i {
            font-size: 1.6rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 66px 0 0;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.74);
        }

        .site-footer a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand i {
            color: var(--accent);
        }

        .footer-desc {
            max-width: 320px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .footer-title {
            font-size: 1rem;
            color: #fff;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

        .footer-menu a {
            position: relative;
            display: inline-block;
        }

        .footer-menu a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -3px;
            width: 0;
            height: 1px;
            background: #fff;
            transition: width 0.22s ease;
        }

        .footer-menu a:hover::after {
            width: 100%;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 46px;
            padding: 24px 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
        }

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

        .footer-bottom .legal-links {
            gap: 16px;
            justify-content: flex-end;
        }

        /* ===== breakpoints ===== */
        @media (max-width: 991px) {
            .section-spacing {
                padding: 72px 0;
            }

            .hero-section {
                padding: 60px 0 66px;
            }

            .site-navbar .navbar-collapse {
                background: #fff;
                border-top: 1px solid var(--line);
                margin-top: 12px;
                padding: 14px 4px 20px;
                border-radius: 10px;
            }

            .site-navbar .nav-link::after {
                display: none;
            }

            .site-navbar .nav-link {
                display: inline-block;
                padding: 10px 8px;
            }

            .site-navbar .navbar-nav {
                gap: 0;
            }

            .nav-cta {
                margin-left: 0;
                margin-top: 10px;
            }

            .hero-visual {
                margin-top: 40px;
            }

            .download-box {
                padding: 44px 30px;
            }

            .download-actions {
                flex-basis: 100%;
            }

            .download-box-inner {
                gap: 26px;
            }
        }

        @media (max-width: 767px) {
            .section-spacing {
                padding: 60px 0;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

            .carousel-control-prev,
            .carousel-control-next {
                bottom: 16px;
            }

            .carousel-indicators {
                bottom: 60px;
            }

            .spec-list li {
                flex-direction: column;
                gap: 4px;
            }

            .spec-value {
                text-align: left;
            }

            .download-box {
                padding: 38px 22px;
            }

            .download-actions {
                align-items: center;
            }
        }

        @media (max-width: 575px) {
            .hero-section {
                padding: 40px 0 50px;
            }

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

            .hero-copy {
                padding-right: 0;
            }

            .hero-meta {
                gap: 8px;
            }

            .news-item {
                padding: 20px 18px;
            }

            .qr-side {
                width: 104px;
                height: 132px;
            }

            .footer-bottom .legal-links {
                justify-content: flex-start;
                margin-top: 6px;
            }
        }

/* roulang page: article */
:root {
            --primary: #1d5c6b;
            --primary-dark: #163f49;
            --primary-soft: rgba(29, 92, 107, .08);
            --accent: #e07a5f;
            --accent-dark: #c5634a;
            --accent-soft: rgba(224, 122, 95, .12);
            --page: #fafaf9;
            --card: #ffffff;
            --text: #24292e;
            --muted: #5c6b73;
            --border: #e4e8e7;
            --tint: #f2f7f6;
            --shadow-sm: 0 2px 12px rgba(28, 60, 65, .05);
            --shadow-md: 0 12px 34px rgba(28, 60, 65, .09);
            --radius: 12px;
            --radius-lg: 18px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--page);
            color: var(--text);
            line-height: 1.8;
            margin: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

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

        .container {
            max-width: 1200px;
        }

        .site-navbar {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: #fff;
            border-bottom: 1px solid var(--border);
            min-height: 72px;
        }

        .site-navbar .navbar {
            min-height: 72px;
            padding: .35rem 0;
        }

        .navbar-brand {
            font-size: 1.22rem;
            font-weight: 700;
            color: var(--primary-delayed, var(--text)) !important;
            letter-spacing: .01em;
            display: inline-flex;
            align-items: center;
            gap: .55rem;
        }

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

        .brand-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            flex: none;
        }

        .site-navbar .navbar-nav .nav-link {
            font-size: .97rem;
            font-weight: 500;
            color: #3a4a50;
            padding: .5rem 1rem;
            letter-spacing: .02em;
            position: relative;
            transition: color .2s ease;
        }

        .site-navbar .navbar-nav .nav-link:hover {
            color: var(--primary);
        }

        .site-navbar .navbar-nav .nav-link.active {
            color: var(--primary);
        }

        .site-navbar .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: .28rem;
            height: 3px;
            border-radius: 99px;
            background: var(--primary);
        }

        .nav-cta {
            height: 42px;
            padding: .2rem 1.3rem 0.1rem;
            border-radius: 99px;
            background: var(--accent);
            border: 1px solid var(--accent);
            color: #fff;
            font-size: .9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            transition: all .2s ease;
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 0;
            font-size: 1.3rem;
            color: var(--primary);
            padding: .5rem .75rem;
            box-shadow: none !important;
        }

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

        .article-hero {
            padding: 70px 0 58px;
            background-color: var(--page);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb-nav {
            margin-bottom: 42px;
        }

        .breadcrumb-nav ol {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
            list-style: none;
            font-size: .86rem;
            color: var(--muted);
        }

        .breadcrumb-nav li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb-nav li + li::before {
            content: "/";
            color: #b8c6c5;
            font-size: .9rem;
            margin-right: 4px;
        }

        .breadcrumb-nav a {
            color: var(--muted);
        }

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

        .breadcrumb-nav .crumb-current {
            color: var(--text);
            font-weight: 500;
        }

        .cat-chip {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .06em;
            color: var(--primary);
            background: var(--primary-soft);
            border: 1px solid rgba(29, 92, 107, .14);
            padding: .2rem .8rem;
            border-radius: 99px;
            margin-bottom: 18px;
        }

        .article-title {
            font-size: clamp(1.85rem, 4.4vw, 2.55rem);
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            color: var(--text);
            margin-bottom: 22px;
            max-width: 820px;
        }

        .article-meta-info {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: .9rem;
            color: var(--muted);
        }

        .article-meta-info span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .meta-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #c6d2d1;
            display: inline-block;
        }

        .article-feature-figure {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: #dfe8e6;
            aspect-ratio: 5 / 3.8;
        }

        .article-feature-figure img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-main {
            padding: 58px 0 44px;
        }

        .article-paper {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: clamp(28px, 5vw, 64px);
            box-shadow: var(--shadow-sm);
            max-width: 860px;
            margin: 0 auto;
        }

        .article-body {
            font-size: 1.06rem;
            line-height: 1.95;
        }

        .article-body p {
            margin-bottom: 1.45em;
            color: #2d353a;
        }

        .article-body h2 {
            position: relative;
            font-weight: 700;
            font-size: 1.5rem;
            line-height: 1.55;
            margin: 2em 0 1em;
            padding-left: 17px;
            color: var(--text);
        }

        .article-body h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            border-radius: 6px;
            background: var(--accent);
        }

        .article-body h3 {
            font-size: 1.22rem;
            margin: 1.6em 0 .8em;
            font-weight: 700;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.2rem;
            margin-bottom: 1.5rem;
        }

        .article-body li {
            margin-bottom: .6rem;
        }

        .article-body a {
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(29, 92, 107, .3);
        }

        .article-body a:hover {
            color: var(--accent-dark);
        }

        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: var(--tint);
            padding: 1rem 1.35rem;
            border-radius: 0 10px 10px 0;
            color: #44555c;
            margin: 1.8rem 0;
        }

        .article-body img {
            border-radius: 12px;
            margin: 1.6rem 0;
        }

        .article-body img + em {
            font-size: .86rem;
            color: var(--muted);
            display: block;
            text-align: center;
            margin-top: -1rem;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 1.6rem;
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: .7rem .9rem;
            font-size: .95rem;
        }

        .article-body th {
            background: var(--tint);
            font-weight: 600;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--border);
            margin-top: 44px;
            padding-top: 26px;
        }

        .article-tags .tag-label {
            font-size: .86rem;
            font-weight: 600;
            color: var(--muted);
            margin-right: 2px;
        }

        .article-tag {
            display: inline-block;
            font-size: .82rem;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 99px;
            padding: .24rem .75rem;
            transition: all .2s;
            border: 1px solid rgba(29, 92, 107, .1);
        }

        .article-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        .article-foot-nav {
            border-top: 1px solid var(--border);
            margin-top: 44px;
            padding-top: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: space-between;
        }

        .article-page-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .92rem;
            color: var(--primary);
            font-weight: 500;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 99px;
            padding: .5rem 1.1rem;
            transition: all .2s;
        }

        .article-page-link:hover {
            border-color: var(--primary);
            background: var(--primary-soft);
            color: var(--primary);
        }

        .article-not-found {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            padding: 70px 24px;
        }

        .not-found-icon {
            width: 74px;
            height: 74px;
            border-radius: 24px;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 24px;
        }

        .article-not-found h1 {
            font-size: 2rem;
            font-weight: 700;
        }

        .article-not-found p {
            color: var(--muted);
            font-size: 1rem;
            margin: 18px 0 28px;
        }

        .read-more-section {
            padding: 54px 0 72px;
        }

        .section-kicker {
            font-size: .84rem;
            letter-spacing: .13em;
            text-transform: uppercase;
            color: var(--accent-dark);
            font-weight: 700;
            display: block;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text);
            margin-bottom: 0;
        }

        .section-lead {
            color: var(--muted);
            font-size: .98rem;
            max-width: 630px;
            margin-bottom: 0;
        }

        .reco-grid .col-lg-4 {
            margin-top: 28px;
        }

        .reco-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .reco-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(29, 92, 107, .25);
        }

        .reco-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--tint);
        }

        .reco-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .reco-card:hover .reco-thumb img {
            transform: scale(1.04);
        }

        .reco-body {
            flex: 1;
            padding: 22px 24px 26px;
            display: flex;
            flex-direction: column;
        }

        .reco-body h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            transition: color .2s ease;
        }

        .reco-card:hover .reco-body h3 {
            color: var(--primary);
        }

        .reco-body p {
            color: var(--muted);
            font-size: .9rem;
            margin: 10px 0 18px;
            line-height: 1.7;
            flex: 1;
        }

        .reco-meta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .82rem;
            font-weight: 600;
            color: var(--primary);
            transition: gap .2s ease;
        }

        .reco-card:hover .reco-meta {
            gap: 12px;
        }

        .cta-download-band {
            padding: 50px 0 86px;
        }

        .cta-inner-box {
            background: linear-gradient(112deg, #1d5c6b 0%, #183f4a 100%);
            border-radius: 24px;
            color: #fff;
            padding: clamp(36px, 6vw, 64px);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 28px;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
        }

        .cta-inner-box::after {
            content: "";
            position: absolute;
            right: -70px;
            top: -90px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 50px solid rgba(255, 255, 255, .05);
        }

        .cta-inner-box h2 {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.4;
            margin-bottom: .4rem;
            position: relative;
            z-index: 1;
        }

        .cta-inner-box p {
            opacity: .88;
            font-size: .95rem;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        .btn-accent {
            background: var(--accent);
            border: 1px solid var(--accent);
            border-radius: 99px;
            color: #fff;
            font-weight: 600;
            padding: .75rem 1.65rem;
            transition: .2s;
            position: relative;
            z-index: 1;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, .16);
        }

        .btn-ghost-white {
            border: 1px solid rgba(255, 255, 255, .6);
            color: #fff;
            border-radius: 99px;
            font-weight: 600;
            padding: .75rem 1.65rem;
            background: transparent;
            transition: .2s;
            position: relative;
            z-index: 1;
        }

        .btn-ghost-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }

        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
        }

        .footer-brand {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-brand i {
            color: var(--accent);
            font-size: 1.2rem;
        }

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

        .footer-desc {
            font-size: .9rem;
            color: var(--muted);
            line-height: 1.85;
            max-width: 360px;
        }

        .footer-title {
            font-size: .92rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

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

        .footer-menu li {
            margin-bottom: 8px;
        }

        .footer-menu a {
            color: var(--muted);
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .2s;
        }

        .footer-menu a:hover {
            color: var(--primary);
            padding-left: 2px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            margin-top: 34px;
            padding-top: 22px;
            font-size: .82rem;
            color: #879292;
        }

        .footer-bottom a {
            color: var(--muted);
        }

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

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--accent) !important;
            outline-offset: 3px !important;
            box-shadow: none !important;
        }

        @media (min-width: 992px) {
            .navbar-nav .nav-link {
                margin: 0 .1rem;
            }
        }

        @media (max-width: 991.98px) {
            .site-navbar .navbar-collapse {
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 16px;
                padding: 18px 16px;
                margin-top: 8px;
                box-shadow: var(--shadow-md);
            }

            .article-hero {
                padding: 52px 0 46px;
            }

            .article-meta-info {
                gap: 10px;
            }

            .article-feature-figure {
                margin-top: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .section-title {
                margin-top: 4px;
            }
        }

        @media (max-width: 575.98px) {
            .article-hero {
                padding: 38px 0 34px;
            }

            .breadcrumb-nav {
                margin-bottom: 28px;
            }

            .article-paper {
                padding: 26px 18px;
            }

            .article-main {
                padding: 32px 0 10px;
            }

            .article-title {
                font-size: 1.62rem;
            }

            .article-foot-nav {
                justify-content: center;
            }

            .cta-download-band {
                padding: 32px 0 52px;
            }

            .cta-inner-box {
                text-align: center;
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1d5c6b;
            --primary-dark: #163f49;
            --accent: #e07a5f;
            --accent-dark: #c5634a;
            --bg: #fafaf9;
            --surface: #ffffff;
            --soft: #f2f7f6;
            --text: #24292e;
            --muted: #5c6b73;
            --border: #e4e8e7;
            --heading: #1f2d32;
            --heading-dark: #132b30;
            --radius-lg: 24px;
            --radius-md: 16px;
            --shadow-sm: 0 2px 12px rgba(28, 60, 65, 0.06);
            --shadow-hover: 0 8px 30px rgba(28, 60, 65, 0.12);
            --transition-base: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, sans-serif;
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .nav-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container {
            max-width: 1200px;
        }

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

        .section {
            padding: 100px 0;
        }

        @media (max-width: 991px) {
            .section {
                padding: 72px 0;
            }
        }

        @media (max-width: 575px) {
            .section {
                padding: 56px 0;
            }
        }

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

        .section-soft {
            background: var(--soft);
        }

        .section-head {
            max-width: 800px;
            margin-bottom: 52px;
        }

        .section-head.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--primary);
            background: rgba(29, 92, 107, 0.08);
            border-radius: 50px;
            padding: 0.36rem 1rem;
            margin-bottom: 18px;
        }

        .section-tag i {
            color: var(--accent);
            font-size: 0.82rem;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--heading);
            line-height: 1.25;
            margin: 0 0 0.8rem;
        }

        .section-head p {
            color: var(--muted);
            font-size: 1.05rem;
            margin: 0;
            max-width: 680px;
        }

        .section-head.center p {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 575px) {
            .section-head h2 {
                font-size: 1.55rem;
            }
            .section-head p {
                font-size: 0.98rem;
            }
        }

        .btn {
            border-radius: 50px;
            padding: 0.72rem 1.55rem;
            font-weight: 600;
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
            transition: all var(--transition-base);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(224, 122, 95, 0.18);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(224, 122, 95, 0.25);
        }

        .btn-brand {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(29, 92, 107, 0.15);
        }

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

        .btn-outline {
            background: transparent;
            border: 1px solid #c0cecc;
            color: var(--primary);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(29, 92, 107, 0.06);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 0.9rem 2rem;
            font-size: 1.02rem;
        }

        @media (max-width: 575px) {
            .btn-lg {
                width: 100%;
            }
        }

        .site-navbar {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.97);
            border-bottom: 1px solid var(--border);
        }

        .navbar {
            min-height: 72px;
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.18rem;
            color: var(--heading);
            letter-spacing: 0.01em;
        }

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

        .brand-dot {
            width: 10px;
            height: 10px;
            border-radius: 3px;
            background: var(--accent);
            display: inline-block;
            flex: 0 0 auto;
        }

        .navbar-nav .nav-item {
            margin: 0 0.15rem;
        }

        .navbar-nav .nav-link {
            color: var(--text);
            font-weight: 500;
            font-size: 1rem;
            padding: 0.5rem 1.05rem;
            position: relative;
            border-radius: 0;
        }

        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: 0.15rem;
            height: 2px;
            border-radius: 2px;
            background: transparent;
            transition: background var(--transition-base);
        }

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

        .navbar-nav .nav-link:hover::after {
            background: rgba(29, 92, 107, 0.35);
        }

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

        .navbar-nav .nav-link.active::after {
            background: var(--accent);
        }

        .nav-cta {
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 0.55rem 1.35rem;
            font-size: 0.95rem;
            font-weight: 600;
            border: 0;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 0;
            color: var(--primary);
            font-size: 1.3rem;
            padding: 0.4rem 0.5rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(29, 92, 107, 0.15);
            border-radius: 8px;
        }

        @media (max-width: 991px) {
            .navbar-collapse {
                background: #fff;
                padding: 1rem 0.5rem 1.2rem;
                border-top: 1px solid var(--border);
                margin-top: 0.75rem;
            }
            .navbar-nav .nav-link {
                padding: 0.8rem 1rem;
                border-radius: 12px;
            }
            .nav-cta {
                margin-top: 0.8rem;
                margin-left: 0.5rem;
            }
        }

        .page-hero {
            position: relative;
            overflow: hidden;
            padding: 78px 0 68px;
            background: linear-gradient(120deg, rgba(250, 250, 249, 0.97) 0%, rgba(250, 250, 249, 0.92) 40%, rgba(242, 247, 246, 0.88) 100%), url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
            border-bottom: 1px solid var(--border);
        }

        .crumbs {
            margin-bottom: 30px;
        }

        .crumbs ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.75rem;
            padding: 0;
            margin: 0;
            font-size: 0.9rem;
            color: var(--muted);
        }

        .crumbs a {
            color: var(--muted);
        }

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

        .crumbs span {
            opacity: 0.55;
        }

        .crumbs .current {
            color: var(--primary);
            font-weight: 600;
        }

        .hero-content {
            padding-right: 1.2rem;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(29, 92, 107, 0.08);
            border-radius: 50px;
            padding: 0.32rem 1rem;
            margin-bottom: 22px;
        }

        .eyebrow i {
            color: var(--accent);
        }

        .page-hero h1 {
            font-size: clamp(1.9rem, 4.4vw, 3.1rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--heading);
            margin: 0 0 1rem;
        }

        .hero-lead {
            font-size: 1.2rem;
            color: var(--text);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .hero-desc {
            color: var(--muted);
            font-size: 1.04rem;
            max-width: 580px;
            margin-bottom: 1.8rem;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
            margin-bottom: 1.4rem;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
            font-size: 0.88rem;
            color: var(--muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .hero-meta li {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .hero-meta i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .hero-figure {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(28, 60, 65, 0.12);
            background: var(--soft);
            border: 1px solid var(--border);
        }

        .hero-figure img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .hero-figure-caption {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary-dark);
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 50px;
            padding: 0.35rem 1rem;
            letter-spacing: 0.02em;
        }

        @media (max-width: 991px) {
            .page-hero {
                padding: 64px 0 56px;
            }
            .hero-content {
                padding-right: 0;
            }
            .hero-figure {
                max-width: 560px;
                margin: 0 auto;
            }
        }

        @media (max-width: 575px) {
            .page-hero {
                padding: 44px 0 44px;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .hero-figure-caption {
                display: none;
            }
        }

        .feature-wrap {
            margin-top: 12px;
        }

        .feature-tile {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            height: 100%;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .feature-tile:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #d8e0df;
        }

        .feature-icon {
            width: 54px;
            height: 54px;
            border-radius: 18px;
            background: var(--soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 1.1rem;
            border: 1px solid rgba(29, 92, 107, 0.08);
        }

        .feature-tile h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 0.4rem;
        }

        .feature-tile p {
            color: var(--muted);
            margin: 0;
            font-size: 0.96rem;
            line-height: 1.8;
        }

        .dl-panel {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .dl-row {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            padding: 2rem 2rem;
            flex-wrap: wrap;
        }

        .dl-row+.dl-row {
            border-top: 1px solid var(--border);
        }

        .dl-icon {
            flex: 0 0 62px;
            height: 62px;
            border-radius: 20px;
            background: var(--soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            border: 1px solid rgba(29, 92, 107, 0.08);
        }

        .dl-info {
            flex: 1 1 320px;
            min-width: 260px;
        }

        .dl-info h3 {
            font-size: 1.22rem;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 0.35rem;
        }

        .dl-info p {
            color: var(--muted);
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.75;
            max-width: 560px;
        }

        .dl-action {
            flex: 0 0 auto;
        }

        .dl-note {
            font-size: 0.88rem;
            color: var(--muted);
            margin-top: 1.3rem;
            display: inline-flex;
            gap: 0.5rem;
            align-items: baseline;
        }

        .dl-note i {
            color: var(--accent);
        }

        @media (max-width: 767px) {
            .dl-row {
                flex-direction: column;
                align-items: flex-start;
                padding: 1.6rem 1.3rem;
                gap: 1rem;
            }
            .dl-action .btn {
                width: 100%;
            }
            .dl-panel {
                border-radius: 18px;
            }
        }

        .step-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.7rem;
            height: 100%;
            position: relative;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

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

        .step-num {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            color: var(--accent);
            display: block;
            margin-bottom: 1rem;
        }

        .step-card h3 {
            font-size: 1.14rem;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 0.6rem;
        }

        .step-card p {
            color: var(--muted);
            font-size: 0.94rem;
            line-height: 1.75;
            margin: 0;
        }

        .req-panel {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2.4rem;
            height: 100%;
        }

        .req-panel h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--heading);
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border);
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .req-panel h3 i {
            color: var(--accent);
            font-size: 1.1rem;
        }

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

        .req-list li {
            display: flex;
            align-items: baseline;
            gap: 1rem;
            padding: 0.9rem 0;
            border-bottom: 1px solid #eef1f0;
            font-size: 0.96rem;
        }

        .req-list li:last-child {
            border-bottom: 0;
        }

        .req-label {
            flex: 0 0 90px;
            color: var(--muted);
            font-size: 0.9rem;
        }

        .req-value {
            color: var(--text);
            font-weight: 500;
            line-height: 1.7;
        }

        .req-badge {
            display: inline-block;
            background: var(--soft);
            border-radius: 50px;
            color: var(--primary);
            padding: 0.15rem 0.7rem;
            font-size: 0.8rem;
            margin-left: 0.4rem;
            font-weight: 600;
        }

        @media (max-width: 575px) {
            .req-panel {
                padding: 1.8rem 1.3rem;
            }
            .req-list li {
                flex-direction: column;
                gap: 0.2rem;
            }
            .req-label {
                flex: none;
            }
        }

        .security-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .security-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .security-list {
            list-style: none;
            margin: 1.2rem 0 0;
            padding: 0;
        }

        .security-list li {
            position: relative;
            padding: 0.5rem 0 0.5rem 2rem;
            color: var(--text);
            font-size: 0.98rem;
            border-bottom: 1px dashed #e2e8e7;
        }

        .security-list li:last-child {
            border-bottom: 0;
        }

        .security-list li i {
            position: absolute;
            left: 0;
            top: 0.86rem;
            color: var(--accent);
        }

        .security-tip {
            background: var(--surface);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 1.1rem 1.4rem;
            margin-top: 1.6rem;
            font-size: 0.95rem;
            color: var(--muted);
            box-shadow: var(--shadow-sm);
        }

        .faq-panel {
            max-width: 900px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: 18px !important;
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--surface);
            box-shadow: none;
        }

        .accordion-button {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            color: var(--heading);
            background: var(--surface);
            font-size: 1.02rem;
            gap: 0.6rem;
            box-shadow: none;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235c6b73'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            opacity: 0.8;
        }

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

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(29, 92, 107, 0.12);
        }

        .q-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 10px;
            background: rgba(224, 122, 95, 0.12);
            color: var(--accent-dark);
            font-size: 0.82rem;
            font-weight: 800;
            line-height: 1;
            flex: 0 0 auto;
        }

        .accordion-body {
            padding: 0.2rem 1.5rem 1.4rem 3.4rem;
            color: var(--muted);
            font-size: 0.97rem;
            border-top: 0;
            background: var(--surface);
        }

        @media (max-width: 575px) {
            .accordion-body {
                padding: 0.2rem 1.2rem 1.3rem 2.6rem;
            }
            .accordion-button {
                font-size: 0.97rem;
                padding: 1.05rem 1.1rem;
            }
        }

        .final-cta {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.86);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(224, 122, 95, 0.22) 0%, rgba(224, 122, 95, 0) 70%);
            top: -180px;
            right: -100px;
            pointer-events: none;
        }

        .final-cta h2 {
            color: #fff;
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.9rem;
        }

        .final-cta p {
            color: rgba(255, 255, 255, 0.78);
            max-width: 720px;
            margin-bottom: 0;
            font-size: 1.02rem;
        }

        .cta-buttons {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 0.9rem;
        }

        .cta-link {
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.25);
            padding-bottom: 0.2rem;
        }

        .cta-link:hover {
            color: #fff;
            border-color: #fff;
        }

        @media (max-width: 991px) {
            .final-cta {
                padding: 70px 0;
            }
            .cta-buttons {
                align-items: flex-start;
                margin-top: 1.2rem;
            }
        }

        @media (max-width: 575px) {
            .final-cta {
                padding: 56px 0;
            }
            .cta-buttons .btn {
                width: 100%;
            }
        }

        .site-footer {
            background: #122e34;
            color: rgba(255, 255, 255, 0.72);
            padding: 72px 0 0;
            font-size: 0.95rem;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-brand i {
            color: var(--accent);
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-desc {
            max-width: 440px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.85;
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 1.1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-menu li {
            margin-bottom: 0.65rem;
        }

        .footer-menu a {
            color: rgba(255, 255, 255, 0.68);
            transition: color var(--transition-base), padding-left var(--transition-base);
        }

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

        .footer-bottom {
            margin-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.4rem 0 1.6rem;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
        }

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

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

        @media (max-width: 575px) {
            .site-footer {
                padding-top: 54px;
            }
            .footer-bottom {
                margin-top: 36px;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
  --brand-dark: #1d5c6b;
  --brand-deep: #163f49;
  --brand-soft: #f2f7f6;
  --accent: #e07a5f;
  --accent-dark: #c5634a;
  --body-bg: #fafaf9;
  --card-bg: #ffffff;
  --text-primary: #24292e;
  --text-secondary: #5c6b73;
  --line: #e4e8e7;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-sm: 0 2px 12px rgba(28, 60, 65, 0.06);
  --shadow-md: 0 8px 28px rgba(28, 60, 65, 0.1);
  --space-section: 92px;
  --space-mobile: 44px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  color: var(--text-primary);
  background: var(--body-bg);
  line-height: 1.8;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

body.modal-open {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1rem;
}

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

a {
  text-decoration: none;
  color: var(--brand-dark);
  transition: color .2s ease;
}

a:hover {
  color: var(--brand-deep);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container {
  max-width: 1200px;
}

/* Header */
.site-navbar {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1040;
  min-height: 72px;
}

.site-navbar .navbar {
  min-height: 72px;
  padding: 0;
}

.site-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.brand-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.site-navbar .navbar-brand:hover {
  color: var(--text-primary);
}

.site-navbar .navbar-nav {
  display: flex;
  align-items: center;
}

.site-navbar .nav-link {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 400;
  padding: .6rem .85rem;
  margin: 0 .15rem;
  position: relative;
  transition: color .2s ease;
  letter-spacing: .01em;
}

.site-navbar .nav-link::after {
  content: "";
  position: absolute;
  left: .85rem;
  right: .85rem;
  bottom: 0;
  height: 2px;
  background: var(--brand-dark);
  border-radius: 99px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link.active {
  color: var(--brand-dark);
}

.site-navbar .nav-link:hover::after,
.site-navbar .nav-link.active::after {
  transform: scaleX(1);
}

.nav-cta {
  background: var(--accent);
  color: #ffffff;
  border: 0;
  border-radius: 50px;
  padding: .5rem 1.3rem;
  font-size: .95rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all .2s ease;
}

.nav-cta:hover {
  background: var(--accent-dark);
  color: #ffffff;
}

.navbar-toggler {
  border: 0;
  padding: .3rem .5rem;
  font-size: 1.3rem;
  color: var(--text-primary);
  line-height: 1;
}

.site-navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(224, 122, 95, .3);
}

/* ===== Generic section ===== */
.page-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--brand-dark);
  background: rgba(29, 92, 107, .08);
  border-radius: 99px;
  padding: .25rem .9rem;
  font-size: .85rem;
  letter-spacing: .08em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 1.8rem;
  color: var(--text-primary);
  margin-bottom: .8rem;
  line-height: 1.4;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 720px;
  margin-bottom: 2rem;
}

@media (max-width: 991px) {
  .site-navbar .navbar-collapse {
    background: #fff;
    padding-bottom: 1rem;
    border-top: 1px solid var(--line);
    margin-top: .4rem;
  }
  .site-navbar .navbar-nav {
    align-items: flex-start;
    padding-top: .7rem;
  }
  .nav-cta {
    display: block;
    margin: .8rem 0 0;
    text-align: center;
  }
}

/* ===== Hero ===== */
.hero-guide {
  background: linear-gradient(180deg, #f7faf9 0%, #ffffff 100%);
  padding: 96px 0 72px;
  position: relative;
  overflow: hidden;
}

.hero-guide:before {
  content: "";
  position: absolute;
  right: -120px;
  top: -160px;
  width: 420px;
  height: 420px;
  background: url('/assets/images/backpic/back-2.webp') no-repeat center / cover;
  opacity: .18;
  pointer-events: none;
}

.hero-guide .hero-copy {
  position: relative;
  z-index: 2;
}

.hero-guide .tagline {
  display: inline-block;
  background: #ffffff;
  border: 1px solid var(--line);
  padding: .3rem 1rem;
  border-radius: 100px;
  font-size: .85rem;
  color: var(--text-secondary);
  margin-bottom: 1.4rem;
}

.hero-guide h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
}

.hero-guide h1 span {
  color: var(--brand-dark);
}

.hero-guide .hero-intro {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 640px;
  margin-bottom: 1.8rem;
}

.hero-guide .hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  align-items: center;
}

.btn-guide {
  background: var(--brand-dark);
  color: #fff;
  border: 0;
  border-radius: 100px;
  font-size: .95rem;
  padding: .75rem 1.8rem;
  transition: all .2s ease;
}

.btn-guide:hover {
  background: var(--brand-deep);
  color: #fff;
}

.btn-guide-line {
  background: transparent;
  color: var(--brand-dark);
  border: 1px solid #a7c4c9;
  border-radius: 100px;
  font-size: .95rem;
  padding: .75rem 1.8rem;
  transition: all .2s ease;
}

.btn-guide-line:hover {
  border-color: var(--brand-dark);
  background: rgba(29, 92, 107, .05);
}

.hero-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.6rem;
}

.hero-meta-tags span {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 50px;
  padding: .25rem .8rem;
  font-size: .8rem;
  color: var(--text-secondary);
}

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

.hero-auth-card {
  background: #f2f7f6;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 1.4rem;
  box-shadow: 0 18px 60px rgba(29, 92, 107, .08);
}

.hero-auth-card .ph {
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.hero-auth-card .meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-auth-card .meta-list li {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: .9rem;
  color: var(--text-secondary);
  padding: .38rem 0;
  border-bottom: 1px dashed #dce7e5;
}

.hero-auth-card .meta-list li:last-child {
  border-bottom: 0;
}

.hero-auth-card i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}

/* ===== About intro ===== */
.intro-block {
  padding: 2rem 0;
}

.intro-block .inner-quote {
  background: var(--brand-soft);
  border-left: 3px solid var(--accent);
  border-radius: 4px 12px 12px 4px;
  padding: 1.4rem 1.6rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ===== Feature grid ===== */
.feature-grid-item {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem;
  height: 100%;
  transition: all .22s ease;
}

.feature-grid-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(29, 92, 107, .2);
}

.feature-grid-item .feat-icon {
  width: 52px;
  height: 52px;
  background: var(--brand-soft);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-dark);
  font-size: 1.4rem;
  margin-bottom: 1.1rem;
}

.feature-grid-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: .45rem;
}

.feature-grid-item p {
  color: var(--text-secondary);
  font-size: .9rem;
  margin: 0;
  line-height: 1.75;
}

.feature-grid-item .feat-link {
  display: inline-flex;
  align-items: center;
  font-size: .8rem;
  gap: .35rem;
  margin-top: 1rem;
  color: var(--brand-dark);
  border-bottom: 1px solid transparent;
  transition: all .2s ease;
}

.feature-grid-item:hover .feat-link {
  border-color: var(--brand-dark);
}

/* ===== Carousel ===== */
.section-carousel {
  background: #f7faf9;
}

.carousel-main {
  margin-top: .8rem;
}

.carousel-card-img {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.carousel-main .carousel-control-prev,
.carousel-main .carousel-control-next {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 1;
}

.carousel-main .carousel-control-prev {
  left: -10px;
}

.carousel-main .carousel-control-next {
  right: -10px;
}

.carousel-main .carousel-control-prev i,
.carousel-main .carousel-control-next i {
  color: var(--text-secondary);
  font-size: 1rem;
}

.carousel-main .carousel-indicators {
  position: static;
  margin-top: 1rem;
  gap: .5rem;
}

.carousel-main .carousel-indicators button {
  width: 8px;
  height: 8px;
  background: #cbd7d5;
  border-radius: 50%;
  border: 0;
  opacity: .4;
}

.carousel-main .carousel-indicators button.active {
  opacity: 1;
  background: var(--brand-dark);
}

.feature-mini-badge {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  justify-content: center;
  margin-top: 1.3rem;
}

.feature-mini-badge span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: .38rem 1rem;
  font-size: .8rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  box-shadow: var(--shadow-sm);
}

.feature-mini-badge i {
  color: var(--accent);
  font-size: .7rem;
}

@media (max-width: 767px) {
  .carousel-main .carousel-control-prev {
    left: 0;
  }
  .carousel-main .carousel-control-next {
    right: 0;
  }
}

/* ===== paths / process ===== */
.guide-lane {
  margin-top: 1rem;
}

.guide-lane-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.2rem;
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--line);
  margin-bottom: .8rem;
  transition: all .2s ease;
  align-items: start;
}

.guide-lane-item:hover {
  border-color: rgba(29,92,107,.3);
  box-shadow: var(--shadow-sm);
}

.lane-num {
  width: 58px;
  height: 58px;
  background: var(--brand-soft);
  border-radius: 50%;
  color: var(--brand-dark);
  font-weight: 600;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lane-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: .25rem;
}

.lane-content p {
  color: var(--text-secondary);
  font-size: .88rem;
  margin: 0;
}

@media (max-width: 575px) {
  .guide-lane-item {
    grid-template-columns: 1fr;
    gap: .4rem;
  }
}

/* ===== Stats / scene ===== */
.stats-bg {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.8rem 0;
  margin: var(--space-section) 0 0;
}

.stat-item-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--brand-dark);
  line-height: 1.2;
}

.stat-item-sub {
  color: var(--text-secondary);
  font-size: .88rem;
  margin-top: .2rem;
}

/* ===== FAQ ===== */
.faq-master {
  max-width: 860px;
  margin: 0 auto;
}

.accordion-flush-own .accordion-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: .8rem;
  overflow: hidden;
}

.accordion-flush-own .accordion-button {
  border: 0;
  box-shadow: none;
  background: #fff;
  color: var(--text-primary);
  font-weight: 500;
  font-size: .98rem;
  padding: 1rem 1.2rem;
}

.accordion-flush-own .accordion-button:not(.collapsed) {
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.accordion-flush-own .accordion-button::after {
  background-size: 1rem;
}

.accordion-flush-own .accordion-body {
  padding: .2rem 1.2rem 1rem;
  color: var(--text-secondary);
  font-size: .92rem;
}

.qa-badge-q {
  background: var(--accent);
  color: #fff;
  display: inline-block;
  font-size: .7rem;
  width: 20px;
  height: 20px;
  text-align: center;
  line-height: 20px;
  border-radius: 4px;
  margin-right: .4rem;
}

/* ===== CTA final ===== */
.cta-final {
  background: var(--brand-soft);
}

.cta-block-inner {
  background: linear-gradient(120deg, rgba(29,92,107,.97), rgba(22,63,73,.98));
  border-radius: 24px;
  overflow: hidden;
  padding: 2.2rem clamp(1rem, 5vw, 4.5rem);
  color: #fff;
  position: relative;
}

.cta-block-inner:before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 35%;
  background: url('/assets/images/backpic/back-3.png') center/cover;
  opacity: .15;
}

.cta-block-inner h3 {
  color: #fff;
  font-weight: 600;
}

.cta-block-inner p {
  color: rgba(255,255,255,.8);
}

.cta-btn-white {
  background: #fff;
  color: var(--brand-dark);
  border-radius: 50px;
  font-weight: 500;
  font-size: .95rem;
  padding: .75rem 1.7rem;
  transition: all .2s ease;
  border: 0;
}

.cta-btn-white:hover {
  background: var(--accent);
  color: #fff;
}

.cta-btn-ghost {
  border: 1px solid rgba(255,255,255,.65);
  color: #fff;
  background: transparent;
  border-radius: 50px;
  font-weight: 500;
  font-size: .95rem;
  padding: .75rem 1.6rem;
  transition: all .2s ease;
  display: inline-block;
}

.cta-btn-ghost:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: #fff;
}

@media (max-width: 575px) {
  .cta-block-inner {
    text-align: center;
  }
  .cta-block-inner .d-flex {
    display: block !important;
  }
  .cta-block-inner .btn {
    margin-bottom: .6rem;
    width: 100%;
  }
}

/* Footer */
.site-footer {
  background: #163833;
  color: #d6e2df;
  padding: 60px 0 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: .8rem;
}

.footer-brand i {
  color: var(--accent);
  font-size: 1.4rem;
}

.footer-brand:hover {
  color: #fff;
}

.footer-desc {
  color: rgba(255,255,255,.7);
  font-size: .86rem;
  max-width: 420px;
  line-height: 1.85;
}

.footer-title {
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  margin-bottom: 1rem;
}

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

.footer-menu li {
  margin-bottom: .5rem;
}

.footer-menu a {
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  transition: .2s;
}

.footer-menu a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 2.5rem;
  padding: 1.5rem 0 1rem;
  font-size: .8rem;
  color: rgba(255,255,255,.55);
}

/* spacing helper */
@media (max-width: 767.98px) {
  .page-section,
  .section-pad {
    padding-top: var(--space-mobile);
    padding-bottom: var(--space-mobile);
  }
}

/* roulang page: category3 */
:root {
            --primary: #1d5c6b;
            --primary-dark: #163f49;
            --accent: #e07a5f;
            --accent-dark: #c5634a;
            --bg: #fafaf9;
            --white: #ffffff;
            --panel: #f2f7f6;
            --text: #24292e;
            --muted: #5c6b73;
            --border: #e4e8e7;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow: 0 2px 14px rgba(28, 60, 65, 0.06);
            --shadow-lg: 0 10px 36px rgba(28, 60, 65, 0.11);
            --transition: all .22s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, sans-serif;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

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

        p {
            margin: 0 0 1rem;
        }

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 5.25rem 0;
        }

        .section-head {
            margin-bottom: 2.5rem;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(29, 92, 107, .08);
            color: var(--primary);
            font-size: .88rem;
            font-weight: 600;
            padding: .35rem 1rem;
            border-radius: 100px;
            margin-bottom: .8rem;
        }

        .section-head h2 {
            font-size: calc(1.45rem + .6vw);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text);
            margin: .25rem 0 .4rem;
        }

        .section-head .section-sub {
            color: var(--muted);
            max-width: 720px;
        }

        .btn {
            border-radius: 100px;
            font-weight: 600;
            letter-spacing: .01em;
            padding: .72rem 1.7rem;
            transition: var(--transition);
        }

        .btn-accent {
            background: var(--accent);
            border: 1px solid var(--accent);
            color: #fff;
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(224, 122, 95, .28);
        }

        .btn-outline-soft {
            background: transparent;
            border: 1px solid rgba(29, 92, 107, .55);
            color: var(--primary);
        }

        .btn-outline-soft:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: .9rem 2rem;
        }

        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }

        /* Header */
        .site-navbar {
            position: sticky;
            top: 0;
            width: 100%;
            z-index: 1030;
            background: var(--white);
            border-bottom: 1px solid var(--border);
        }

        .navbar {
            min-height: 72px;
            padding: .65rem 0;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: .55rem;
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .01em;
        }

        .navbar-brand:hover {
            color: var(--text);
        }

        .brand-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .navbar-nav .nav-link {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            padding: .45rem 1rem;
            margin: 0 .05rem;
            position: relative;
            letter-spacing: .02em;
            border-radius: 6px;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(29, 92, 107, .05);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
        }

        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 1rem;
            right: 1.2rem;
            bottom: .05rem;
            height: 2px;
            border-radius: 20px;
            background: var(--accent);
        }

        .nav-cta {
            background: var(--primary);
            border: 1px solid var(--primary);
            color: #fff;
            padding: .48rem 1.4rem;
            font-size: .95rem;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 0;
            padding: .35rem .55rem;
            color: var(--text);
            font-size: 1.25rem;
            line-height: 1;
        }

        .navbar-toggler:hover,
        .navbar-toggler:focus {
            box-shadow: none;
            color: var(--primary);
        }

        @media (max-width: 991.98px) {
            .navbar-nav {
                padding: 1rem 0 .5rem;
            }
            .navbar-nav .nav-link {
                padding: .7rem .5rem;
                border-radius: 8px;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background: rgba(29, 92, 107, .08);
            }
            .nav-cta {
                margin-bottom: .5rem;
                text-align: center;
                width: 100%;
            }
        }

        /* Hero */
        .hero-faq {
            position: relative;
            padding: 5.5rem 0 5rem;
            background: var(--panel);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .hero-faq::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            opacity: .1;
            pointer-events: none;
        }

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

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: .55rem;
            background: rgba(29, 92, 107, .1);
            color: var(--primary);
            font-size: .9rem;
            font-weight: 600;
            padding: .4rem 1.1rem;
            border-radius: 100px;
            margin-bottom: 1rem;
        }

        .hero-faq h1 {
            font-size: clamp(1.9rem, 4.6vw, 3.15rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin: 0 0 1.1rem;
            color: var(--text);
            max-width: 30rem;
        }

        .hero-lead {
            font-size: 1.08rem;
            color: var(--muted);
            max-width: 38rem;
            margin-bottom: 1.8rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .85rem;
            margin-bottom: 1.25rem;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: .9rem 1.6rem;
            color: var(--muted);
            font-size: .9rem;
        }

        .hero-trust span i {
            color: var(--accent);
            margin-right: .35rem;
        }

        .hero-visual {
            border-radius: 18px;
            background: var(--white);
            border: 6px solid rgba(255, 255, 255, .7);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .hero-visual img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        @media (max-width: 575.98px) {
            .hero-faq {
                padding: 3.2rem 0 3rem;
            }
            .hero-actions .btn {
                display: block;
                width: 100%;
                text-align: center;
            }
            .hero-visual {
                margin-top: .5rem;
            }
        }

        /* problem type cards */
        .type-area {
            background: var(--bg);
        }

        .type-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.85rem 1.7rem;
            height: 100%;
            transition: var(--transition);
        }

        .type-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(29, 92, 107, .2);
        }

        .type-icon {
            width: 46px;
            height: 46px;
            border-radius: 13px;
            background: var(--panel);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 1.15rem;
        }

        .type-card h3 {
            font-size: 1.18rem;
            font-weight: 650;
            margin-bottom: .5rem;
        }

        .type-card p {
            color: var(--muted);
            font-size: .95rem;
            margin-bottom: .9rem;
        }

        .type-tags {
            display: flex;
            flex-wrap: wrap;
            gap: .4rem;
            margin-bottom: .6rem;
        }

        .type-tags span {
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--muted);
            font-size: .78rem;
            padding: .1rem .7rem;
            border-radius: 100px;
        }

        .type-more {
            font-size: .92rem;
            font-weight: 600;
        }

        .type-more i {
            transition: transform .2s;
        }

        .type-more:hover i {
            transform: translateX(4px);
        }

        /* FAQ section */
        .faq-entry {
            background: var(--bg);
            padding-top: 0;
        }

        .faq-side {
            position: sticky;
            top: 6.5rem;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.55rem;
            box-shadow: var(--shadow);
        }

        .faq-side h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            padding-bottom: .9rem;
            border-bottom: 1px solid var(--border);
        }

        .faq-sidelist {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .faq-sidelist li {
            border-bottom: 1px dashed #e8eceb;
        }

        .faq-sidelist li:last-child {
            border-bottom: 0;
        }

        .faq-sidelist a {
            display: flex;
            align-items: center;
            gap: .5rem;
            padding: .45rem 0;
            font-size: .94rem;
            color: var(--muted);
            font-weight: 500;
        }

        .faq-sidelist a i {
            color: rgba(29, 92, 107, .35);
            font-size: .65rem;
            transition: var(--transition);
        }

        .faq-sidelist a:hover {
            color: var(--primary);
            padding-left: .3rem;
        }

        .faq-sidelist a:hover i {
            color: var(--accent);
        }

        .side-help {
            margin-top: 1.3rem;
            background: var(--panel);
            border-left: 3px solid var(--accent);
            border-radius: 6px;
            padding: 1rem 1.1rem;
            font-size: .9rem;
        }

        .side-help strong {
            display: block;
            color: var(--primary);
            margin-bottom: .2rem;
        }

        .side-help p {
            margin: 0;
            color: var(--muted);
            font-size: .88rem;
            line-height: 1.65;
        }

        .faq-panel {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.2rem 1.5rem;
            box-shadow: var(--shadow);
        }

        .accordion {
            --bs-accordion-border-color: transparent;
            --bs-accordion-bg: var(--white);
            --bs-accordion-transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
        }

        .accordion-item {
            border: 0;
            border-bottom: 1px solid var(--border);
            background: transparent;
            border-radius: 0;
            scroll-margin-top: 7.5rem;
        }

        .accordion-item:first-of-type,
        .accordion-item:last-of-type {
            border-radius: 0;
        }

        .accordion-item:last-child {
            border-bottom: 0;
        }

        .accordion-button {
            background: transparent;
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.25rem 1rem;
            box-shadow: none;
            gap: .75rem;
            line-height: 1.6;
        }

        .accordion-button .q-z {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            flex: 0 0 26px;
            border-radius: 9px;
            background: rgba(224, 122, 95, .13);
            color: var(--accent-dark);
            font-size: .8rem;
            font-weight: 800;
        }

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

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

        .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            width: auto;
            height: auto;
            font-size: .85rem;
            color: var(--muted);
            transition: transform .25s;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: none;
            border: 0;
        }

        .accordion-body {
            padding: .2rem 1rem 1.4rem 3.6rem;
            color: var(--muted);
            font-size: .98rem;
            line-height: 1.9;
            background: var(--white);
        }

        .accordion-body p:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .faq-side {
                position: static;
                margin-bottom: 1.5rem;
            }
        }

        @media (max-width: 575.98px) {
            .faq-panel {
                padding: .8rem .6rem;
            }
            .accordion-body {
                padding-left: 1.2rem;
            }
        }

        /* process */
        .process-area {
            background: var(--white);
            border-top: 1px solid var(--border);
        }

        .process-card {
            position: relative;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.65rem;
            height: 100%;
            transition: var(--transition);
        }

        .process-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(29, 92, 107, .18);
            transform: translateY(-3px);
        }

        .process-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: .9rem;
            margin-bottom: 1.2rem;
        }

        .process-card h3 {
            font-size: 1.1rem;
            font-weight: 650;
            margin-bottom: .45rem;
        }

        .process-card p {
            font-size: .94rem;
            color: var(--muted);
            margin-bottom: 0;
        }

        @media (max-width: 575.98px) {
            .process-card {
                padding: 1.25rem;
            }
        }

        /* CTA */
        .cta-section {
            background: var(--bg);
            padding: 0 0 5rem;
        }

        .cta-box {
            position: relative;
            overflow: hidden;
            background: var(--primary-dark);
            border-radius: calc(var(--radius-lg) + 6px);
            padding: 3rem 3rem 3.2rem;
            color: #fff;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: .12;
            pointer-events: none;
        }

        .cta-box .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .cta-box h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: .9rem;
        }

        .cta-box p {
            color: rgba(255, 255, 255, .85);
            font-size: 1rem;
            margin-bottom: 1.8rem;
        }

        .cta-box .btn-accent {
            font-size: 1.05rem;
            padding: .95rem 2.2rem;
        }

        .cta-points {
            margin-top: 1.6rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: .9rem;
            color: rgba(255, 255, 255, .72);
        }

        .cta-points i {
            color: #f6bda1;
            margin-right: .4rem;
        }

        @media (max-width: 575.98px) {
            .cta-box {
                padding: 2.2rem 1.5rem;
                border-radius: 18px;
            }
        }

        /* Footer */
        .site-footer {
            background: #14434c;
            color: rgba(255, 255, 255, .8);
            padding: 4rem 0 0;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-brand i {
            color: #f6bda1;
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-desc {
            color: rgba(255, 255, 255, .68);
            font-size: .95rem;
            max-width: 420px;
            margin-bottom: 0;
        }

        .footer-title {
            font-size: 1.02rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 1rem;
        }

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

        .footer-menu li {
            margin-bottom: .6rem;
        }

        .footer-menu a {
            color: rgba(255, 255, 255, .72);
            font-size: .95rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .14);
            margin-top: 2.6rem;
            padding: 1.2rem 0;
            font-size: .85rem;
            color: rgba(255, 255, 255, .55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .8);
        }

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