/* roulang page: index */
:root {
            --primary: #1E7B4F;
            --primary-dark: #155D3E;
            --accent: #FF6B35;
            --accent-dark: #E5531F;
            --dark-bg: #151A18;
            --page-bg: #F7F6F2;
            --card-bg: #FFFFFF;
            --text-main: #212A27;
            --text-secondary: #5B6366;
            --text-muted: #8A9390;
            --border: #E2E8E4;
            --light-green: #E8F3ED;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 12px rgba(21, 26, 24, 0.06);
            --shadow-lg: 0 8px 28px rgba(21, 26, 24, 0.12);
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
            background: var(--page-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container-xl {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 96px 0;
        }
        .bg-light-green {
            background: var(--light-green);
        }

        /* 按钮 */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            height: 44px;
            padding: 0 28px;
            font-weight: 600;
            font-size: 15px;
            line-height: 44px;
            transition: var(--transition);
            outline: none;
            white-space: nowrap;
        }
        .btn-brand:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.25);
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-brand:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-outline-green {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            height: 44px;
            padding: 0 28px;
            font-weight: 600;
            font-size: 15px;
            line-height: 44px;
            transition: var(--transition);
            outline: none;
            white-space: nowrap;
        }
        .btn-outline-green:hover {
            background: var(--light-green);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline-green:active {
            transform: translateY(0);
        }
        .btn-outline-green:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-lg-brand {
            height: 52px;
            padding: 0 36px;
            font-size: 16px;
            line-height: 52px;
            border-radius: 10px;
        }
        @media (max-width: 575.98px) {
            .btn-brand,
            .btn-outline-green {
                height: 48px;
                width: 100%;
                line-height: 48px;
            }
            .section-pad {
                padding: 56px 0;
            }
        }

        /* 头部导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-sm);
        }
        .navbar-brand-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            position: relative;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .brand-mark i {
            color: #fff;
            font-size: 18px;
        }
        .brand-text {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-main);
            letter-spacing: 0.01em;
            line-height: 1.2;
        }
        .brand-text span {
            color: var(--primary);
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 16px !important;
            border-bottom: 3px solid transparent;
            transition: var(--transition);
        }
        .site-header .nav-link:hover {
            color: var(--primary);
        }
        .site-header .nav-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .header-cta {
            margin-left: 16px;
        }
        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 12px 0;
            }
            .header-cta {
                margin-left: 0;
                margin-top: 8px;
            }
        }

        /* 底部移动Tab */
        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
            box-shadow: 0 -4px 20px rgba(21, 26, 24, 0.06);
        }
        .mobile-tabbar .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 0;
            transition: var(--transition);
            border-radius: 8px;
        }
        .mobile-tabbar .tab-item i {
            font-size: 20px;
        }
        .mobile-tabbar .tab-item:hover,
        .mobile-tabbar .tab-item.active {
            color: var(--primary);
        }
        .mobile-tabbar .tab-item.active i {
            color: var(--primary);
        }
        @media (max-width: 991.98px) {
            .mobile-tabbar {
                display: flex;
            }
            body {
                padding-bottom: 64px;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 720px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            padding: 160px 0 80px;
            color: #fff;
            margin-top: 0;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(21, 26, 24, 0.92) 0%, rgba(21, 26, 24, 0.72) 50%, rgba(30, 123, 79, 0.35) 100%);
            z-index: 1;
        }
        .hero .container-xl {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
            color: #fff;
        }
        .hero h1 .highlight {
            color: #FFB224;
        }
        .hero-lead {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-data {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.18);
            padding-top: 28px;
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
        }
        .hero-data-item .num {
            font-family: 'DIN Alternate', 'Bebas Neue', sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .hero-data-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }
        @media (max-width: 991.98px) {
            .hero {
                min-height: 620px;
                padding: 140px 0 56px;
                background-position: 65% center;
            }
            .hero-data {
                gap: 24px;
            }
            .hero-data-item .num {
                font-size: 22px;
            }
        }
        @media (max-width: 575.98px) {
            .hero {
                min-height: 560px;
                padding: 120px 0 40px;
            }
            .hero-btns {
                flex-direction: column;
                gap: 12px;
            }
            .hero-data {
                gap: 16px;
            }
        }

        /* 痛点带 */
        .pain-points {
            background: var(--light-green);
            padding: 48px 0;
            border-bottom: 1px solid var(--border);
        }
        .pain-points .container-xl {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .pain-points-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            flex: 0 0 220px;
        }
        .pain-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            flex: 1;
        }
        .pain-list li {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .pain-list li i {
            color: var(--accent);
            font-size: 14px;
        }
        @media (max-width: 767.98px) {
            .pain-points-title {
                flex: 0 0 100%;
            }
            .pain-list {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* 解决方案 */
        .solution-section {
            background: var(--page-bg);
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--primary);
            background: var(--light-green);
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.2rem);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-head .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .solution-wrap {
            display: flex;
            align-items: center;
            gap: 64px;
            flex-wrap: wrap;
        }
        .solution-img {
            flex: 1 1 420px;
            max-width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .solution-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .solution-img:hover img {
            transform: scale(1.04);
        }
        .solution-content {
            flex: 1 1 420px;
        }
        .step-list {
            margin-top: 32px;
        }
        .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 28px;
            padding: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
            transform: translateX(6px);
        }
        .step-num {
            font-family: 'DIN Alternate', 'Bebas Neue', sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            min-width: 48px;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .solution-wrap {
                gap: 40px;
            }
            .solution-img,
            .solution-content {
                flex: 1 1 100%;
            }
        }

        /* 数据成果 */
        .stats-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            padding: 96px 0;
            color: #fff;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(21, 26, 24, 0.88) 0%, rgba(21, 26, 24, 0.78) 100%);
        }
        .stats-section .container-xl {
            position: relative;
            z-index: 2;
        }
        .stats-section h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 16px;
        }
        .stats-section .section-sub {
            text-align: center;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 48px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-family: 'DIN Alternate', 'Bebas Neue', sans-serif;
            font-size: 40px;
            font-weight: 700;
            color: #FFB224;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 8px;
        }
        @media (max-width: 991.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .num {
                font-size: 30px;
            }
        }

        /* 客户证言 */
        .testimonials-section {
            background: var(--page-bg);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            position: relative;
            transition: var(--transition);
        }
        .testimonial-card:nth-child(2) {
            margin-top: 48px;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .testimonial-card .quote-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--light-green);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }
        .testimonial-card .quote-text {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            margin-bottom: 24px;
        }
        .testimonial-card .person {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }
        .person-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 16px;
        }
        .person-name {
            font-weight: 600;
            color: var(--text-main);
            font-size: 15px;
        }
        .person-role {
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (max-width: 991.98px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .testimonial-card:nth-child(2) {
                margin-top: 0;
            }
        }

        /* 资讯列表 */
        .news-section {
            background: var(--page-bg);
        }
        .news-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding: 8px 4px 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .news-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .news-scroll::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 10px;
        }
        .news-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .news-card {
            flex: 0 0 320px;
            max-width: 100%;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            scroll-snap-align: start;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary);
        }
        .news-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--light-green);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .badge-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            background: var(--light-green);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 5px;
            align-self: flex-start;
            margin-bottom: 10px;
        }
        .news-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }
        .news-card-title a {
            color: inherit;
        }
        .news-card-title a:hover {
            color: var(--primary);
        }
        .news-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }
        .news-time {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-more-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-more-link:hover {
            color: var(--primary-dark);
        }
        .news-empty {
            width: 100%;
            padding: 48px 0;
            text-align: center;
            color: var(--text-muted);
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
        }
        @media (max-width: 575.98px) {
            .news-card {
                flex: 0 0 85%;
            }
        }

        /* FAQ */
        .faq-section {
            background: var(--page-bg);
        }
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--card-bg);
            padding: 20px 24px;
            box-shadow: none;
            gap: 12px;
        }
        .faq-accordion .accordion-button::after {
            content: "\F4FE";
            font-family: 'bootstrap-icons';
            font-size: 18px;
            background: none;
            width: auto;
            height: auto;
            transition: transform 0.3s ease;
            color: var(--primary);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--light-green);
            color: var(--primary-dark);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        .faq-accordion .accordion-item .accordion-button::before {
            content: "";
            position: absolute;
            left: 0;
            top: 12px;
            bottom: 12px;
            width: 4px;
            background: var(--primary);
            border-radius: 0 4px 4px 0;
            opacity: 0;
            transition: var(--transition);
        }
        .faq-accordion .accordion-item .accordion-button:not(.collapsed)::before {
            opacity: 1;
        }

        /* 最终CTA */
        .cta-final {
            position: relative;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            padding: 96px 0;
            color: #fff;
            text-align: center;
        }
        .cta-final::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(21, 26, 24, 0.9) 0%, rgba(30, 123, 79, 0.8) 100%);
        }
        .cta-final .container-xl {
            position: relative;
            z-index: 2;
        }
        .cta-final h2 {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-final .cta-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-final .btn-brand {
            margin: 0 8px;
        }
        @media (max-width: 575.98px) {
            .cta-final {
                padding: 56px 0;
            }
        }

        /* 页脚 */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.85);
            padding: 72px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .brand-text {
            color: #fff;
            margin-bottom: 16px;
            display: block;
        }
        .footer-brand .brand-text span {
            color: #FFB224;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
        }
        .footer-contact li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .footer-contact li i {
            color: var(--primary);
            margin-top: 3px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

/* roulang page: article */
:root {
    --color-primary: #1E7B4F;
    --color-primary-dark: #155D3E;
    --color-accent: #FF6B35;
    --color-accent-dark: #E5531F;
    --color-dark-bg: #151A18;
    --color-page-bg: #F7F6F2;
    --color-card-bg: #FFFFFF;
    --color-text-main: #212A27;
    --color-text-secondary: #5B6366;
    --color-text-weak: #8A9390;
    --color-border: #E2E8E4;
    --color-light-green: #E8F3ED;
    --color-warning: #FFB224;
    --color-error: #D64545;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 2px 12px rgba(21, 26, 24, 0.06);
    --shadow-hover: 0 8px 28px rgba(21, 26, 24, 0.12);
    --font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    background: var(--color-page-bg);
    color: var(--color-text-main);
    line-height: 1.75;
    margin: 0;
    padding-top: 72px;
}
a { color: var(--color-primary); }
img { max-width: 100%; }
button, input { font-family: inherit; }
.container-xl { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.container-narrow { max-width: 780px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* 按钮体系 */
.btn-brand {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--color-accent); color: #fff; border: none;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 15px; text-decoration: none;
    cursor: pointer; transition: all .25s ease;
}
.btn-brand:hover {
    background: var(--color-accent-dark); color: #fff;
    transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255, 107, 53, .28);
}
.btn-brand:active { transform: translateY(0); box-shadow: none; }
.btn-brand:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn-outline {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: transparent; color: var(--color-primary);
    border: 1px solid var(--color-primary); padding: 12px 28px;
    border-radius: var(--radius-sm); font-weight: 600; font-size: 15px;
    text-decoration: none; transition: all .25s;
}
.btn-outline:hover { background: var(--color-light-green); color: var(--color-primary-dark); }
.btn-outline:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* 顶部导航 */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1030;
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow .3s, background .3s;
}
.site-header.header-scrolled {
    background: rgba(255, 255, 255, .98);
    box-shadow: 0 6px 24px rgba(0, 0, 0, .08);
}
.site-header .navbar { padding: 12px 0; }
.navbar-brand-wrap { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff; font-size: 20px; flex-shrink: 0;
}
.brand-text { font-size: 20px; font-weight: 700; color: var(--color-text-main); line-height: 1.2; }
.brand-text span { color: var(--color-accent); }
.navbar-nav .nav-link {
    font-size: 15px; font-weight: 500; color: var(--color-text-secondary);
    padding: 8px 18px; border-radius: var(--radius-sm); position: relative;
    transition: color .2s;
}
.navbar-nav .nav-link:hover { color: var(--color-primary); }
.navbar-nav .nav-link.active { color: var(--color-primary); font-weight: 600; }
.navbar-nav .nav-link.active::after {
    content: ''; position: absolute; bottom: 0; left: 18px; right: 18px;
    height: 3px; background: var(--color-primary); border-radius: 2px;
}
.header-cta .btn-brand { padding: 10px 20px; font-size: 14px; }
.navbar-toggler { border: none; color: var(--color-text-main); padding: 4px 8px; }
.navbar-toggler:focus { box-shadow: none; }

@media (max-width: 991.98px) {
    .navbar-collapse {
        background: #fff;
        padding: 16px 20px;
        border-radius: var(--radius-md);
        margin-top: 12px;
        box-shadow: var(--shadow-hover);
        border: 1px solid var(--color-border);
    }
    .navbar-nav .nav-link { padding: 12px 8px; }
    .navbar-nav .nav-link.active { background: var(--color-light-green); border-radius: var(--radius-sm); }
    .navbar-nav .nav-link.active::after { display: none; }
    .header-cta { margin-top: 12px; }
    .header-cta .btn-brand { width: 100%; }
}

/* 文章 Hero */
.article-hero {
    position: relative;
    padding: 76px 0 64px;
    background: linear-gradient(135deg, #151A18 0%, #1E7B4F 100%);
    overflow: hidden;
    color: #fff;
}
.article-hero::before {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    opacity: .22;
}
.article-hero::after {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(135deg, rgba(21, 26, 24, .88) 0%, rgba(30, 123, 79, .72) 100%);
}
.article-hero .container-xl { position: relative; z-index: 2; }
.breadcrumb-nav {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: rgba(255, 255, 255, .7);
    margin-bottom: 24px; flex-wrap: wrap;
}
.breadcrumb-nav a { color: rgba(255, 255, 255, .85); text-decoration: none; transition: color .2s; }
.breadcrumb-nav a:hover { color: var(--color-warning); }
.breadcrumb-nav i { font-size: 12px; }
.breadcrumb-nav .current { color: rgba(255, 255, 255, .9); }
.category-badge {
    display: inline-block; background: var(--color-warning); color: var(--color-dark-bg);
    font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 5px; margin-bottom: 16px;
}
.article-heading h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 22px;
    max-width: 780px;
    color: #fff;
}
.article-meta { display: flex; gap: 24px; font-size: 14px; color: rgba(255, 255, 255, .8); flex-wrap: wrap; }
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { font-size: 15px; color: var(--color-warning); }

/* 文章正文区 */
.article-body-section {
    background: var(--color-page-bg);
    padding: 64px 0 48px;
}
.article-card-wrap {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    padding: 48px 52px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
}
.article-content { font-size: 17px; line-height: 1.85; }
.article-content p { margin-bottom: 1.3rem; }
.article-content h2 {
    font-size: clamp(1.35rem, 2.4vw, 1.6rem);
    font-weight: 700;
    margin: 2rem 0 .8rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--color-border);
}
.article-content h3 { font-size: 1.25rem; font-weight: 600; margin: 1.6rem 0 .6rem; }
.article-content h4 { font-size: 1.1rem; font-weight: 600; margin: 1.4rem 0 .5rem; }
.article-content ul, .article-content ol { margin: 1rem 0 1.2rem 1.2rem; padding-left: .5rem; }
.article-content li { margin-bottom: .4rem; }
.article-content img { max-width: 100%; border-radius: 8px; margin: 1.5rem 0; }
.article-content blockquote {
    border-left: 4px solid var(--color-primary);
    background: var(--color-light-green);
    padding: 1rem 1.5rem;
    border-radius: 0 8px 8px 0;
    margin: 1.5rem 0;
    color: var(--color-text-secondary);
}
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.article-content table th, .article-content table td { border: 1px solid var(--color-border); padding: 10px 14px; }
.article-content table th { background: var(--color-light-green); font-weight: 600; }
.article-content a { color: var(--color-primary); text-decoration: underline; }
.article-content a:hover { color: var(--color-primary-dark); }

/* 内容未找到 */
.article-not-found { text-align: center; padding: 60px 20px; }
.article-not-found i {
    font-size: 56px; color: var(--color-text-weak);
    display: block; margin-bottom: 20px;
}
.article-not-found h2 { font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.article-not-found p { color: var(--color-text-secondary); margin-bottom: 28px; }

/* 标签与分享 */
.article-tags-section { background: var(--color-page-bg); padding: 0 0 56px; }
.article-tags-share {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-card);
}
.article-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tag-label { font-size: 13px; color: var(--color-text-weak); margin-right: 4px; }
.article-tags a {
    display: inline-block;
    font-size: 13px;
    background: var(--color-light-green);
    color: var(--color-primary);
    padding: 5px 14px;
    border-radius: 5px;
    text-decoration: none;
    transition: all .2s;
}
.article-tags a:hover { background: var(--color-primary); color: #fff; }
.article-share { display: flex; align-items: center; gap: 4px; }
.article-share span { font-size: 13px; color: var(--color-text-weak); margin-right: 8px; }
.article-share a {
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--color-light-green); color: var(--color-primary);
    font-size: 16px; transition: all .2s;
}
.article-share a:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }

/* 返回按钮 */
.article-return { margin-top: 40px; text-align: center; }

/* 相关推荐 */
.related-posts-section { background: var(--color-light-green); padding: 64px 0; }
.section-heading {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 32px; gap: 12px;
}
.section-heading h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 700; margin: 0; }
.text-link { color: var(--color-primary); text-decoration: none; font-weight: 600; font-size: 15px; }
.text-link:hover { color: var(--color-primary-dark); text-decoration: underline; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: var(--color-text-main);
    transition: all .3s;
    display: block;
}
.related-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    color: var(--color-text-main);
}
.related-card-img { overflow: hidden; aspect-ratio: 16 / 9; }
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.related-card:hover .related-card-img img { transform: scale(1.05); }
.related-card-body { padding: 20px 22px; }
.badge-date { font-size: 13px; color: var(--color-text-weak); }
.sm-badge {
    display: inline-block; font-size: 12px;
    background: var(--color-light-green); color: var(--color-primary);
    padding: 3px 10px; border-radius: 5px; margin-right: 8px;
}
.related-card-body h3 {
    font-size: 17px; font-weight: 600; margin: 8px 0 8px;
    line-height: 1.4; transition: color .2s;
}
.related-card:hover .related-card-body h3 { color: var(--color-primary); }
.related-card-body p { font-size: 14px; color: var(--color-text-secondary); margin: 0; line-height: 1.6; }

/* CTA 区 */
.cta-section {
    position: relative;
    background: linear-gradient(135deg, #151A18, #1E7B4F);
    padding: 80px 0;
    color: #fff;
    text-align: center;
    overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute; inset: 0;
    background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
    opacity: .18;
}
.cta-inner { position: relative; z-index: 2; max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; margin-bottom: 12px; }
.cta-inner p { color: rgba(255, 255, 255, .8); margin-bottom: 32px; font-size: 16px; }
.cta-inner .btn-brand { font-size: 16px; padding: 14px 36px; }

/* 页脚 */
.site-footer {
    background: var(--color-dark-bg);
    color: rgba(255, 255, 255, .85);
    padding: 56px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr .6fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand p { margin-top: 14px; color: rgba(255, 255, 255, .6); font-size: 14px; line-height: 1.7; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .8);
    transition: all .2s;
}
.footer-social a:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.footer-title { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.footer-links a { color: rgba(255, 255, 255, .65); text-decoration: none; font-size: 14px; transition: color .2s; }
.footer-links a:hover { color: var(--color-warning); }
.footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, .65); font-size: 14px; }
.footer-contact i { color: var(--color-primary); font-size: 16px; }
.footer-bottom { padding: 20px 0; text-align: center; color: rgba(255, 255, 255, .4); font-size: 13px; }
.footer-bottom p { margin: 0; }

/* 移动端底部 Tab */
.mobile-bottom-tab {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 1050;
    display: none;
    background: rgba(255, 255, 255, .97);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, .06);
    padding: 4px 0 6px;
    backdrop-filter: blur(10px);
}
.mobile-bottom-tab .mobile-tab-item {
    flex: 1;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 8px 4px;
    color: var(--color-text-weak);
    text-decoration: none;
    font-size: 11px;
    gap: 2px;
    transition: color .2s;
}
.mobile-bottom-tab .mobile-tab-item .tab-icon { font-size: 19px; line-height: 1; }
.mobile-bottom-tab .mobile-tab-item.active { color: var(--color-primary); font-weight: 600; }
.mobile-bottom-tab .mobile-tab-item:hover { color: var(--color-primary); }

/* 响应式 */
@media (max-width: 991.98px) {
    .mobile-bottom-tab { display: flex; }
    body { padding-bottom: 62px; }
    .article-hero { padding: 52px 0 42px; }
    .article-body-section { padding: 40px 0 32px; }
    .article-card-wrap { padding: 28px 20px; }
    .related-grid {
        grid-template-columns: repeat(3, 280px);
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 8px;
    }
    .related-card { scroll-snap-align: start; }
    .section-heading { flex-direction: column; align-items: flex-start; gap: 8px; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .cta-section { padding: 60px 0; }
}
@media (max-width: 767.98px) {
    body { padding-top: 64px; }
    .article-hero { padding: 44px 0 36px; }
    .breadcrumb-nav { margin-bottom: 18px; font-size: 12px; }
    .article-heading h1 { font-size: 1.8rem; }
    .article-meta { gap: 14px; font-size: 13px; }
    .article-card-wrap { padding: 20px 16px; border-radius: 14px; }
    .article-content { font-size: 16px; line-height: 1.8; }
    .article-tags-share { padding: 14px 16px; flex-direction: column; align-items: flex-start; }
    .related-posts-section { padding: 48px 0; }
    .related-grid { grid-template-columns: repeat(3, 78vw); gap: 16px; }
    .article-return { margin-top: 28px; }
    .footer-grid { gap: 28px; padding-bottom: 32px; }
}
@media (max-width: 575.98px) {
    .container-xl { padding-left: 16px; padding-right: 16px; }
    .related-card-body h3 { font-size: 16px; }
    .cta-inner .btn-brand { width: 100%; }
    .article-not-found { padding: 40px 16px; }
    .article-tags-section { padding-bottom: 36px; }
}

/* roulang page: category1 */
:root {
    --primary: #1E7B4F;
    --primary-hover: #155D3E;
    --accent: #FF6B35;
    --accent-hover: #E5531F;
    --dark-bg: #151A18;
    --page-bg: #F7F6F2;
    --card-bg: #FFFFFF;
    --text-main: #212A27;
    --text-muted: #5B6366;
    --text-weak: #8A9390;
    --border-color: #E2E8E4;
    --light-green: #E8F3ED;
    --warning-color: #FFB224;
    --error-color: #D64545;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 12px rgba(21, 26, 24, 0.06);
    --shadow-hover: 0 8px 28px rgba(21, 26, 24, 0.12);
    --header-height: 72px;
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--page-bg);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 16px;
}
img {
    max-width: 100%;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}
button,
input {
    font-family: inherit;
}
section {
    position: relative;
}
a:focus-visible,
button:focus-visible,
.btn-brand:focus-visible,
.btn-outline:focus-visible,
.btn-brand-light:focus-visible,
.btn-ghost-light:focus-visible,
.accordion-button:focus-visible,
.navbar-toggler:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.container-xl {
    max-width: 1200px;
}

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
}
.site-header .navbar {
    padding: 14px 0;
}
.navbar-brand-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-mark {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    flex-shrink: 0;
}
.brand-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-main);
    white-space: nowrap;
}
.brand-text span {
    color: var(--accent);
}
.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--text-muted);
    padding: 10px 16px !important;
    position: relative;
}
.navbar-nav .nav-link.active {
    color: var(--primary);
    font-weight: 600;
}
.navbar-nav .nav-link.active::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 0;
    height: 3px;
    border-radius: 2px;
    background: var(--primary);
}
.navbar-nav .nav-link:hover {
    color: var(--primary);
}
.navbar-toggler {
    border: none;
    padding: 6px 10px;
    color: var(--text-main);
    box-shadow: none !important;
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(30, 123, 79, 0.15) !important;
}
.header-cta {
    flex-shrink: 0;
}

/* ===== Buttons ===== */
.btn-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    height: 44px;
    padding: 0 22px;
    font-weight: 600;
    transition: all 0.2s ease;
}
.btn-brand:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
}
.btn-brand:active {
    transform: translateY(0);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    height: 44px;
    padding: 0 22px;
    font-weight: 600;
    transition: all 0.2s ease;
}
.btn-outline:hover {
    background: var(--light-green);
    color: var(--primary-hover);
    transform: translateY(-2px);
}
.btn-outline:active {
    transform: translateY(0);
}
.btn-brand-light {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    height: 48px;
    padding: 0 28px;
    font-weight: 600;
    transition: all 0.2s ease;
}
.btn-brand-light:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.35);
}
.btn-ghost-light {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    height: 48px;
    padding: 0 28px;
    font-weight: 600;
    transition: all 0.2s ease;
}
.btn-ghost-light:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

/* ===== Page Hero ===== */
.page-hero {
    padding: calc(var(--header-height) + 56px) 0 80px;
    background: linear-gradient(100deg, rgba(21, 26, 24, 0.88), rgba(21, 26, 24, 0.58)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    color: #fff;
}
.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
    margin-bottom: 20px;
}
.hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.75);
}
.hero-breadcrumb a:hover {
    color: #fff;
}
.hero-breadcrumb i {
    font-size: 12px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: var(--warning-color);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
    letter-spacing: 0.04em;
    margin-bottom: 18px;
}
.page-hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 16px;
    line-height: 1.2;
}
.page-hero .lead {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 720px;
    margin: 0;
}
.page-hero .hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 28px;
    flex-wrap: wrap;
}

/* ===== Section ===== */
.section {
    padding: 96px 0;
}
.section-alt {
    background: var(--light-green);
}
.section-head {
    margin-bottom: 40px;
}
.section-tag {
    display: inline-block;
    background: var(--light-green);
    color: var(--primary);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
}
.section-alt .section-tag {
    background: #fff;
}
.section-head h2 {
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    font-weight: 700;
    color: var(--text-main);
    margin: 14px 0 10px;
}
.section-head p {
    color: var(--text-muted);
    max-width: 640px;
    margin: 0;
}

/* ===== Guide Cards ===== */
.guide-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.guide-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.guide-card .card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--light-green);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}
.guide-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 10px;
}
.guide-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
}
.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}
.card-link i {
    transition: transform 0.2s ease;
}
.card-link:hover {
    color: var(--primary-hover);
}
.card-link:hover i {
    transform: translateX(4px);
}
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.card-tags .badge {
    background: var(--light-green);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
    padding: 5px 10px;
}
.guide-card-lg {
    padding: 32px;
}
.card-img-side {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-top: 8px;
}
.step-list {
    list-style: none;
    padding: 0;
    margin: 0 0 18px;
}
.step-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-main);
    margin-bottom: 12px;
}
.step-list li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--light-green);
    color: var(--primary);
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

/* ===== Doc List ===== */
.doc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.doc-list li {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin-bottom: 16px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.doc-list li:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}
.doc-num {
    font-family: "DIN Alternate", "Bebas Neue", sans-serif;
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
    line-height: 1;
    min-width: 48px;
}
.doc-info h3 {
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}
.doc-info p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 8px;
}
.doc-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
}
.doc-link:hover {
    color: var(--accent-hover);
}
.doc-link i {
    transition: transform 0.2s ease;
}
.doc-link:hover i {
    transform: translateX(4px);
}

/* ===== FAQ ===== */
.faq-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}
.faq-card .accordion-item {
    background: var(--card-bg);
    border: none;
    border-bottom: 1px solid var(--border-color);
}
.faq-card .accordion-item:last-child {
    border-bottom: none;
}
.faq-card .accordion-button {
    font-weight: 600;
    color: var(--text-main);
    background: var(--card-bg);
    padding: 20px 24px;
    box-shadow: none;
    font-size: 16px;
}
.faq-card .accordion-button:not(.collapsed) {
    background: var(--light-green);
    color: var(--primary);
    border-left: 4px solid var(--primary);
}
.faq-card .accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(30, 123, 79, 0.15);
}
.faq-card .accordion-button::after {
    font-family: "bootstrap-icons" !important;
    content: "\F4FE";
    background-image: none;
    font-size: 20px;
    color: var(--primary);
    width: auto;
    height: auto;
}
.faq-card .accordion-button:not(.collapsed)::after {
    content: "\F62A";
}
.faq-card .accordion-body {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.75;
    padding: 20px 24px;
    border-left: 4px solid transparent;
}

/* ===== CTA ===== */
.cta-section {
    padding: 96px 0;
    background: linear-gradient(100deg, rgba(21, 26, 24, 0.88), rgba(30, 123, 79, 0.72)), url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
    color: #fff;
    text-align: center;
}
.cta-section .hero-badge {
    display: inline-flex;
    margin-bottom: 14px;
}
.cta-section h2 {
    color: #fff;
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    font-weight: 700;
    margin: 0 0 12px;
}
.cta-section p {
    color: rgba(255, 255, 255, 0.78);
    max-width: 560px;
    margin: 0 auto 28px;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
    background: #151A18;
    color: rgba(255, 255, 255, 0.85);
    padding: 64px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin: 16px 0 20px;
    max-width: 340px;
}
.footer-social {
    display: flex;
    gap: 12px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    transition: all 0.2s ease;
}
.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.footer-title {
    color: #fff;
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 16px;
}
.footer-links,
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li,
.footer-contact li {
    margin-bottom: 10px;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
}
.footer-links a:hover {
    color: #fff;
}
.footer-contact li {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}
.footer-contact i {
    margin-right: 8px;
    color: var(--warning-color);
}
.footer-bottom {
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
    flex-wrap: wrap;
    gap: 12px;
}

/* ===== Mobile Tabbar ===== */
.mobile-tabbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: #fff;
    border-top: 1px solid var(--border-color);
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    box-shadow: 0 -4px 20px rgba(21, 26, 24, 0.06);
}
.mobile-tabbar .tab-list {
    display: flex;
    justify-content: space-around;
    list-style: none;
    margin: 0;
    padding: 0;
}
.mobile-tabbar .tab-list a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 10px;
    transition: color 0.2s ease, background 0.2s ease;
}
.mobile-tabbar .tab-list a i {
    font-size: 20px;
    margin-bottom: 2px;
}
.mobile-tabbar .tab-list a.active {
    color: var(--primary);
    font-weight: 600;
}
.mobile-tabbar .tab-list a:hover {
    background: var(--light-green);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .mobile-tabbar {
        display: block;
    }
    body {
        padding-bottom: 64px;
    }
    .section {
        padding: 56px 0;
    }
    .page-hero {
        padding: calc(var(--header-height) + 32px) 0 64px;
    }
    .cta-section {
        padding: 56px 0;
    }
    .site-footer {
        padding-bottom: 96px;
    }
    .navbar-collapse {
        background: #fff;
        border-radius: var(--radius-md);
        margin-top: 12px;
        padding: 16px;
        box-shadow: var(--shadow-hover);
        border: 1px solid var(--border-color);
    }
    .navbar-nav .nav-link.active::after {
        display: none;
    }
    .header-cta {
        margin-top: 12px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}
@media (max-width: 575.98px) {
    .page-hero .hero-actions {
        flex-direction: column;
    }
    .page-hero .hero-actions .btn-brand,
    .page-hero .hero-actions .btn-outline {
        width: 100%;
        justify-content: center;
    }
    .cta-actions {
        flex-direction: column;
    }
    .cta-actions .btn-brand-light,
    .cta-actions .btn-ghost-light {
        width: 100%;
        justify-content: center;
    }
    .doc-list li {
        flex-direction: column;
        gap: 12px;
        padding: 24px;
    }
    .doc-num {
        font-size: 1.6rem;
    }
    .guide-card {
        padding: 24px;
    }
    .guide-card-lg {
        padding: 24px;
    }
    .card-img-side {
        height: 180px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}