/* roulang page: index */
:root {
            --brand: #1D7A5F;
            --brand-dark: #12312A;
            --brand-accent: #F5A940;
            --bg: #F4F6F2;
            --card: #FFFFFF;
            --text: #4E5652;
            --text-light: #7A847E;
            --border: #E3EAE5;
            --radius-lg: 12px;
            --radius-md: 6px;
            --radius-pill: 999px;
            --shadow: 0 6px 16px rgba(20,50,40,0.06);
            --shadow-hover: 0 10px 24px rgba(20,50,40,0.12);
            --space-section: 96px;
            --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC";
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: all .25s ease;
        }
        .btn-accent {
            background: var(--brand-accent);
            color: #fff;
            border: 1px solid var(--brand-accent);
            clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
            padding: 12px 28px;
            font-size: 15px;
            border: none;
        }
        .btn-accent:hover {
            transform: translateX(-2px);
            box-shadow: 0 8px 20px rgba(245,169,64,.35);
            color: #fff;
        }
        .btn-ghost {
            background: transparent;
            color: var(--brand-dark);
            border: 1.5px solid var(--brand-dark);
            padding: 11px 28px;
            font-size: 15px;
        }
        .btn-ghost:hover {
            background: rgba(18,49,42,.05);
            border-color: var(--brand);
            color: var(--brand);
        }
        .btn-green {
            background: var(--brand);
            color: #fff;
            border: 1px solid var(--brand);
            padding: 12px 36px;
            font-size: 15px;
            min-width: 160px;
        }
        .btn-green:hover {
            background: var(--brand-dark);
            border-color: var(--brand-dark);
        }
        .badge {
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .5px;
            background: rgba(29,122,95,.1);
            color: var(--brand);
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--brand);
            margin-bottom: 16px;
        }
        .section-eyebrow::before {
            content: "";
            display: block;
            width: 18px;
            height: 3px;
            background: var(--brand-accent);
            border-radius: 2px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-dark);
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 15px;
            color: var(--text);
            max-width: 560px;
            line-height: 1.8;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 64px;
            transition: all .3s ease;
            background: transparent;
        }
        .site-header.scrolled {
            background: rgba(255,255,255,.96);
            box-shadow: 0 4px 20px rgba(0,0,0,.08);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo span {
            color: var(--brand-accent);
        }
        .site-header.scrolled .logo {
            color: var(--brand);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: 48px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-dark);
            opacity: .75;
            position: relative;
            padding: 6px 0;
            transition: opacity .2s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            opacity: 1;
            color: var(--brand);
        }
        .main-nav a.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--brand);
            border-radius: 2px;
        }
        .site-header.scrolled .main-nav a {
            color: var(--brand-dark);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: none;
            border: none;
            color: var(--brand-dark);
            font-size: 16px;
            padding: 8px 10px;
            cursor: pointer;
        }
        .header-login-btn {
            background: var(--brand-accent);
            color: #fff;
            border: none;
            padding: 9px 24px;
            font-size: 14px;
            font-weight: 600;
            clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
            transition: all .25s ease;
        }
        .header-login-btn:hover {
            transform: translateX(-2px);
            box-shadow: 0 6px 16px rgba(245,169,64,.4);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-dark);
            padding: 4px 8px;
        }
        .mobile-menu {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 16px 24px;
            box-shadow: 0 8px 24px rgba(0,0,0,.08);
            z-index: 99;
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-weight: 600;
            color: var(--brand-dark);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* Hero */
        .hero {
            min-height: 100vh;
            background: linear-gradient(135deg, rgba(18,49,42,.92) 0%, rgba(29,122,95,.85) 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            padding-top: 140px;
            position: relative;
            isolation: isolate;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(18,49,42,.96) 0%, rgba(18,49,42,.82) 45%, rgba(29,122,95,.4) 100%);
            clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            z-index: -1;
        }
        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            min-height: calc(100vh - 140px);
        }
        .hero-left {
            color: #fff;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245,169,64,.15);
            border: 1px solid rgba(245,169,64,.35);
            color: var(--brand-accent);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 28px;
            letter-spacing: 1px;
        }
        .hero-title {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: #fff;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            color: var(--brand-accent);
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255,255,255,.85);
            max-width: 460px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 44px;
            flex-wrap: wrap;
        }
        .hero-trust {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-trust-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-trust-item strong {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            font-feature-settings: "tnum";
        }
        .hero-trust-item span {
            font-size: 13px;
            color: rgba(255,255,255,.6);
        }
        .hero-right {
            position: relative;
            height: 420px;
        }
        .hero-right img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 40px rgba(0,0,0,.25);
        }

        /* Services */
        .services {
            background: var(--bg);
        }
        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 48px;
        }
        .service-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow);
            position: relative;
            transition: all .3s ease;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .service-card.wide {
            grid-column: span 1;
        }
        .service-card:last-child {
            grid-column: span 1;
        }
        .service-num {
            position: absolute;
            top: 24px;
            right: 28px;
            font-size: 48px;
            font-weight: 800;
            color: rgba(29,122,95,.08);
            line-height: 1;
            letter-spacing: -2px;
        }
        .service-icon {
            width: 52px;
            height: 52px;
            background: rgba(29,122,95,.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .service-icon i {
            font-size: 22px;
            color: var(--brand);
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 16px;
        }
        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .service-link i {
            transition: transform .2s;
        }
        .service-link:hover i {
            transform: translateX(4px);
        }
        .service-card:nth-child(2) {
            background: var(--brand-dark);
        }
        .service-card:nth-child(2) .service-icon {
            background: rgba(255,255,255,.12);
        }
        .service-card:nth-child(2) .service-icon i {
            color: var(--brand-accent);
        }
        .service-card:nth-child(2) h3 {
            color: #fff;
        }
        .service-card:nth-child(2) p {
            color: rgba(255,255,255,.75);
        }
        .service-card:nth-child(2) .service-num {
            color: rgba(255,255,255,.08);
        }

        /* Data */
        .data-section {
            background: var(--brand-dark);
            position: relative;
            padding: 96px 0;
        }
        .data-section::before {
            content: "";
            position: absolute;
            left: -40px;
            top: 0;
            bottom: 0;
            width: 120px;
            background: rgba(29,122,95,.15);
            transform: skewX(-15deg);
        }
        .data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px 60px;
            max-width: 720px;
            margin: 0 auto;
        }
        .data-item {
            text-align: center;
        }
        .data-item .num {
            font-size: 60px;
            font-weight: 800;
            color: var(--brand-accent);
            line-height: 1.1;
            font-feature-settings: "tnum";
            border-top: 1px solid rgba(245,169,64,.5);
            border-bottom: 1px solid rgba(245,169,64,.5);
            display: inline-block;
            padding: 12px 4px;
            letter-spacing: -2px;
        }
        .data-item .label {
            display: block;
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255,255,255,.6);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* Showcase */
        .showcase {
            background: var(--bg);
        }
        .showcase-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            margin-top: 48px;
        }
        .showcase-main {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .showcase-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .showcase-main img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .showcase-main .content {
            padding: 28px 32px;
        }
        .showcase-main h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }
        .showcase-main p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
        }
        .showcase-stack {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .showcase-item {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            display: flex;
            gap: 16px;
            align-items: center;
            transition: all .3s ease;
        }
        .showcase-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .showcase-item img {
            width: 80px;
            height: 80px;
            border-radius: 10px;
            object-fit: cover;
        }
        .showcase-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 4px;
        }
        .showcase-item p {
            font-size: 13px;
            color: var(--text);
            margin-bottom: 0;
        }

        /* Latest News */
        .latest-news {
            background: var(--bg);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            margin-top: 48px;
        }
        .news-feature {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .news-feature:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-feature img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .news-feature .content {
            padding: 28px 32px;
        }
        .news-feature h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }
        .news-feature p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-list-item {
            background: var(--card);
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .news-list-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .news-list-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }
        .news-list-item p {
            font-size: 14px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .news-list-item .news-meta {
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .news-empty {
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            color: var(--text-light);
            font-size: 15px;
            grid-column: 1 / -1;
        }

        /* Plans */
        .plans {
            background: #fff;
        }
        .plan-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 64px;
        }
        .plan-row:last-child {
            margin-bottom: 0;
        }
        .plan-num {
            font-size: 54px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--brand);
            line-height: 1;
            margin-bottom: 16px;
        }
        .plan-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 12px;
        }
        .plan-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
        }
        .plan-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .plan-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .plan-row:nth-child(even) .plan-visual {
            order: -1;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 4fr 8fr;
            gap: 48px;
        }
        .faq-left .section-title {
            font-size: 28px;
        }
        .faq-left p {
            color: var(--text-light);
            font-size: 15px;
            margin-top: 16px;
            line-height: 1.8;
        }
        .faq-list {
            border-top: 1px solid var(--border);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
            position: relative;
        }
        .faq-item.active {
            border-left: 3px solid var(--brand);
            padding-left: 16px;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-dark);
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px 0;
            width: 100%;
            text-align: left;
            font-family: var(--font);
        }
        .faq-question i {
            color: var(--brand);
            transition: transform .3s;
            font-size: 15px;
        }
        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        /* CTA */
        .cta-section {
            padding: 96px 0;
        }
        .cta-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }
        .cta-card h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 12px;
        }
        .cta-card p {
            color: var(--text);
            margin-bottom: 20px;
            font-size: 15px;
        }
        .contact-form .form-control {
            height: 48px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--bg);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--brand-dark);
            margin-bottom: 16px;
        }
        .contact-form .form-control:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(29,122,95,.15);
            background: #fff;
        }
        .contact-form textarea.form-control {
            height: auto;
            min-height: 120px;
            resize: vertical;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-dark);
            padding: 64px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 4fr 2fr 3fr 3fr;
            gap: 32px;
            padding-bottom: 48px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .site-footer p {
            color: rgba(255,255,255,.6);
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-links a {
            display: block;
            color: rgba(255,255,255,.65);
            font-size: 14px;
            padding: 4px 0;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--brand-accent);
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }
        .footer-contact i {
            color: var(--brand-accent);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding: 24px 0;
            text-align: center;
            color: rgba(255,255,255,.4);
            font-size: 13px;
        }

        /* Media Queries */
        @media (max-width: 991px) {
            :root {
                --space-section: 64px;
            }
            .hero {
                padding-top: 100px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
                padding-bottom: 40px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-sub {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-trust {
                justify-content: center;
            }
            .hero-right {
                height: 260px;
                max-width: 100%;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .showcase-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .plan-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .plan-row:nth-child(even) .plan-visual {
                order: 0;
            }
            .faq-layout {
                grid-template-columns: 1fr;
            }
            .cta-card {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-login-btn {
                display: none;
            }
        }
        @media (max-width: 767px) {
            .hero-title {
                font-size: 30px;
            }
            .section-title {
                font-size: 26px;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-card {
                padding: 32px 24px;
            }
            .service-card {
                padding: 32px 24px;
            }
            .news-feature .content {
                padding: 20px;
            }
            .showcase-main .content {
                padding: 20px;
            }
            .showcase-item {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .hero {
                padding-top: 90px;
            }
            .hero-trust {
                gap: 24px;
            }
            .hero-trust-item strong {
                font-size: 18px;
            }
            .btn-accent, .btn-ghost {
                width: 100%;
                text-align: center;
                padding-left: 16px;
                padding-right: 16px;
            }
            .news-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1D7A5F;
            --primary-dark: #12312A;
            --accent: #F5A940;
            --bg: #F4F6F2;
            --card: #FFFFFF;
            --text: #4E5652;
            --text-light: #8A9490;
            --text-white: #F0F7F4;
            --border: #E3EAE5;
            --border-light: #EFF3EF;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow: 0 6px 16px rgba(20, 50, 40, 0.06);
            --shadow-hover: 0 10px 24px rgba(20, 50, 40, 0.12);
            --spacing-section: 96px;
            --header-height: 64px;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: #14604A;
        }

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

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            z-index: 1050;
            background: transparent;
            color: #fff;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 4px 20px rgba(20, 50, 40, 0.08);
            color: #1a1a1a;
        }

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

        .header-left {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        .brand-logo {
            font-size: 20px;
            font-weight: 700;
            color: inherit;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color 0.3s ease;
        }

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

        .site-header:not(.scrolled) .brand-logo {
            color: #fff;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
        }

        .main-nav {
            display: flex;
            gap: 28px;
            align-items: center;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: inherit;
            padding: 6px 0;
            position: relative;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

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

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

        .site-header:not(.scrolled) .main-nav a {
            color: #fff;
            text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #12312A;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 100%, 0 100%);
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-login:hover {
            transform: translateX(-2px);
            box-shadow: 0 8px 20px rgba(245, 169, 64, 0.4);
            color: #12312A;
            background: #F7B555;
        }

        /* 汉堡按钮 */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: inherit;
        }

        .nav-toggle i {
            font-size: 24px;
        }

        /* 移动导航面板 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            box-shadow: 0 12px 30px rgba(20, 50, 40, 0.12);
            padding: 20px 24px 28px;
            z-index: 1040;
            border-radius: 0 0 12px 12px;
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a.active {
            color: var(--primary);
        }

        /* ===== 页面 Banner ===== */
        .page-banner {
            position: relative;
            min-height: 240px;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            display: flex;
            align-items: flex-end;
            padding-top: 110px;
            padding-bottom: 42px;
            overflow: hidden;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(18, 49, 42, 0.92) 0%, rgba(18, 49, 42, 0.68) 45%, rgba(18, 49, 42, 0.35) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-inner {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .breadcrumb-inner a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.25s ease;
        }

        .breadcrumb-inner a:hover {
            color: var(--accent);
        }

        .breadcrumb-inner .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb-inner .current {
            color: var(--accent);
        }

        .banner-title {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.4;
            letter-spacing: 1px;
        }

        .banner-subtitle {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 6px;
        }

        /* ===== 文章主体区 ===== */
        .article-main-section {
            padding: 56px 0 80px;
        }

        .article-content-wrapper {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 40px 48px 48px;
            position: relative;
        }

        /* 元信息条 */
        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            padding: 12px 18px;
            background: #F7F9F7;
            border-radius: var(--radius-md);
            border-left: 3px solid var(--primary);
            margin-bottom: 28px;
            font-size: 13px;
            color: var(--text-light);
        }

        .article-meta-bar .badge-cat {
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            display: inline-block;
        }

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

        .article-meta-bar .meta-item i {
            font-size: 13px;
            color: var(--primary);
        }

        /* 文章 H1 */
        .article-content-wrapper h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.5;
            color: #1A2B25;
            margin: 0 0 24px;
            letter-spacing: 0.5px;
        }

        /* 正文 */
        .article-body {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            max-width: 720px;
        }

        .article-body p {
            margin-bottom: 20px;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: #1A2B25;
            margin: 36px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: #24342E;
            margin: 28px 0 12px;
        }

        .article-body blockquote {
            background: #F0F6F2;
            border-left: 4px solid var(--accent);
            border-radius: 0 8px 8px 0;
            padding: 18px 24px;
            margin: 24px 0;
            color: #2C3E36;
            font-style: italic;
            position: relative;
        }

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

        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0 8px;
            box-shadow: var(--shadow);
        }

        .article-body figure {
            margin: 24px 0;
        }

        .article-body figcaption {
            font-size: 12px;
            color: var(--text-light);
            text-align: center;
            margin-top: 8px;
        }

        .article-body pre {
            background: #12312A;
            color: #E8F1ED;
            border-radius: var(--radius-md);
            padding: 18px 22px;
            overflow-x: auto;
            font-size: 13px;
            line-height: 1.7;
            margin: 20px 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: #FBFAF7;
            border-radius: 8px;
            overflow: hidden;
        }

        .article-body table th {
            background: var(--primary);
            color: #fff;
            padding: 10px 14px;
            font-size: 14px;
            text-align: left;
        }

        .article-body table td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }

        .article-body table tr:last-child td {
            border-bottom: none;
        }

        /* 内容未找到 */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            background: #FAFBFA;
            border-radius: var(--radius-md);
        }

        .article-not-found i {
            font-size: 44px;
            color: #C4CFC8;
            margin-bottom: 16px;
        }

        .article-not-found p {
            font-size: 18px;
            color: var(--text);
            margin-bottom: 20px;
        }

        .btn-back-home {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 10px 30px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: all 0.25s ease;
        }

        .btn-back-home:hover {
            background: #14604A;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(29, 122, 95, 0.3);
        }

        /* 底部按钮 */
        .article-bottom-nav {
            display: flex;
            gap: 18px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }

        .btn-ghost-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #F2F4F1;
            color: var(--text);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 6px;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .btn-ghost-link:hover {
            background: #E5EAE5;
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 侧栏 ===== */
        .article-sidebar {
            max-width: 340px;
            width: 100%;
            margin-left: auto;
        }

        .sidebar-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #1A2B25;
            margin: 0 0 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
            position: relative;
        }

        .sidebar-card h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 36px;
            height: 2px;
            background: var(--accent);
        }

        .sidebar-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
        }

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

        .sidebar-item img {
            width: 72px;
            height: 52px;
            object-fit: cover;
            border-radius: 6px;
            flex-shrink: 0;
        }

        .sidebar-item a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
            display: block;
            transition: color 0.2s ease;
        }

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

        .sidebar-item .sidebar-item-meta {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, #12312A 0%, #1D7A5F 100%);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            color: #fff;
            margin-bottom: 24px;
        }

        .sidebar-cta h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .sidebar-cta p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 18px;
        }

        .btn-sidebar-cta {
            display: inline-block;
            background: var(--accent);
            color: #12312A;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 26px;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .btn-sidebar-cta:hover {
            background: #F7B555;
            color: #12312A;
            transform: translateY(-2px);
            box-shadow: 0 6px 14px rgba(245, 169, 64, 0.4);
        }

        /* 返回首页小卡片 */
        .sidebar-back {
            text-align: center;
            background: #F7F9F7;
            border-radius: var(--radius-md);
            padding: 16px 14px;
        }

        .sidebar-back a {
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-back a i {
            color: var(--primary);
        }

        /* ===== 相关资讯区 ===== */
        .related-section {
            padding: 64px 0 88px;
            background: #fff;
            border-top: 1px solid var(--border-light);
        }

        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .related-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: #1A2B25;
            margin: 0;
            position: relative;
            padding-left: 16px;
        }

        .related-header h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 5px;
            background: var(--accent);
            border-radius: 4px;
        }

        .related-header .btn-more {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            background: #F0F6F2;
            padding: 8px 18px;
            border-radius: 999px;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .related-header .btn-more:hover {
            background: var(--primary);
            color: #fff;
        }

        .related-card {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }

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

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }

        .related-card-body {
            padding: 18px 20px 22px;
        }

        .related-card-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: #1A2B25;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .related-card-body p {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
        }

        .related-card-meta .badge {
            background: rgba(29, 122, 95, 0.12);
            color: var(--primary);
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            padding: 64px 0;
        }

        .cta-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            border-left: 6px solid var(--accent);
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 180px;
            height: 180px;
            background: rgba(29, 122, 95, 0.05);
            border-radius: 50%;
        }

        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: #1A2B25;
            margin-bottom: 6px;
        }

        .cta-text p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-cta-primary:hover {
            background: #14604A;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(29, 122, 95, 0.35);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 64px;
            border-top: 3px solid var(--accent);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-top .logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-top .logo span {
            color: var(--accent);
        }

        .footer-top p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
        }

        .footer-top h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-top h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s ease;
            text-decoration: none;
        }

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

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 12px;
        }

        .footer-contact p i {
            color: var(--accent);
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .footer-top {
                grid-template-columns: 1.2fr 1fr 1fr;
            }

            .article-content-wrapper {
                padding: 32px 32px 40px;
            }
        }

        @media (max-width: 992px) {
            :root {
                --spacing-section: 72px;
            }

            .article-content-wrapper {
                padding: 28px 24px 36px;
            }

            .article-sidebar {
                max-width: 100%;
                margin-left: 0;
                margin-top: 32px;
            }

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

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

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

            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .site-header:not(.scrolled) .nav-toggle {
                color: #fff;
            }
        }

        @media (max-width: 768px) {
            .article-main-section {
                padding: 32px 0 56px;
            }

            .article-content-wrapper {
                padding: 20px 18px 28px;
                border-radius: 10px;
            }

            .article-content-wrapper h1 {
                font-size: 24px;
                line-height: 1.4;
            }

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

            .article-meta-bar {
                gap: 10px;
                padding: 10px 14px;
                font-size: 12px;
                flex-wrap: wrap;
            }

            .article-bottom-nav {
                flex-direction: column;
                gap: 10px;
            }

            .btn-ghost-link {
                justify-content: center;
            }

            .related-card img {
                height: 140px;
            }

            .cta-card {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 30px;
            }

            .page-banner {
                min-height: 180px;
                padding-top: 90px;
                padding-bottom: 28px;
            }

            .banner-title {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .brand-logo {
                font-size: 17px;
            }

            .btn-login {
                padding: 8px 16px;
                font-size: 13px;
            }

            .article-meta-bar .meta-item {
                font-size: 11px;
            }

            .related-header h2 {
                font-size: 22px;
            }

            .cta-text h2 {
                font-size: 20px;
            }
        }

        @media (min-width: 992px) {
            .mobile-menu {
                display: none !important;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1D7A5F;
            --primary-dark: #12312A;
            --amber: #F5A940;
            --bg: #F4F6F2;
            --card: #FFFFFF;
            --text: #2C3A35;
            --text-light: #4E5652;
            --muted: #8A9490;
            --border: #DDE5E0;
            --radius-lg: 12px;
            --radius-sm: 6px;
            --shadow: 0 6px 16px rgba(20, 50, 40, 0.06);
            --shadow-hover: 0 10px 24px rgba(20, 50, 40, 0.12);
            --spacer: 96px;
            --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background-color: var(--bg);
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: #146347;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            display: flex;
            align-items: center;
            background: transparent;
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.header-scrolled {
            background: rgba(255, 255, 255, .96);
            box-shadow: 0 4px 20px rgba(20, 50, 40, .08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .site-logo span {
            color: var(--amber);
            margin: 0 2px;
        }

        .header-scrolled .site-logo {
            color: var(--text);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, .92);
            position: relative;
            padding: 6px 0;
            border-bottom: 3px solid transparent;
            transition: color .2s ease, border-color .2s ease;
        }

        .header-scrolled .main-nav a {
            color: var(--text);
        }

        .main-nav a:hover {
            color: var(--amber);
        }

        .main-nav a.active {
            border-bottom-color: var(--amber);
            color: var(--amber);
        }

        .header-scrolled .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .nav-search {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, .92);
            font-size: 15px;
            background: rgba(255, 255, 255, .12);
            border: none;
            cursor: pointer;
            transition: background .2s ease, color .2s ease;
        }

        .header-scrolled .nav-search {
            color: var(--text);
            background: #f0f3ee;
        }

        .nav-search:hover {
            background: rgba(255, 255, 255, .24);
            color: var(--amber);
        }

        .header-scrolled .nav-search:hover {
            background: #e2e7e0;
            color: var(--primary);
        }

        .nav-login-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--amber);
            color: #1D2B25;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
            transition: transform .2s ease, box-shadow .2s ease;
            line-height: 1.4;
        }

        .nav-login-btn i {
            font-size: 13px;
        }

        .nav-login-btn:hover {
            transform: translateX(-2px);
            box-shadow: 0 6px 18px rgba(245, 169, 64, .35);
            color: #1D2B25;
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: none;
            background: rgba(255, 255, 255, .12);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background .2s ease;
        }

        .header-scrolled .mobile-toggle {
            color: var(--text);
            background: #f0f3ee;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 16px 32px rgba(20, 50, 40, .12);
            padding: 16px 24px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 6px;
            max-height: calc(100vh - 80px);
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            border-radius: 6px;
            border-left: 3px solid transparent;
        }

        .mobile-menu a.active {
            color: var(--primary);
            border-left-color: var(--primary);
            background: #f0f6f3;
        }

        .mobile-menu .mobile-cta {
            margin-top: 10px;
            background: var(--amber);
            color: #1D2B25;
            border: none;
            border-radius: var(--radius-sm);
            text-align: center;
            font-weight: 700;
            padding: 14px 20px;
            clip-path: polygon(0 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%);
        }

        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 49, 42, .93) 0%, rgba(18, 49, 42, .75) 40%, rgba(18, 49, 42, .28) 100%);
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 169, 64, .16);
            border: 1px solid rgba(245, 169, 64, .35);
            color: var(--amber);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 6px 16px;
            border-radius: 999px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: .5px;
            max-width: 720px;
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .btn-amber {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--amber);
            color: #1D2B25;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
            transition: transform .2s ease, box-shadow .2s ease;
            line-height: 1.5;
        }

        .btn-amber:hover {
            transform: translateX(-2px);
            box-shadow: 0 8px 22px rgba(245, 169, 64, .4);
            color: #1D2B25;
        }

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 6px;
            border: 1.5px solid rgba(255, 255, 255, .5);
            cursor: pointer;
            transition: border-color .2s ease, background .2s ease, color .2s ease;
        }

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

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 8px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .82);
        }

        .trust-item i {
            color: var(--amber);
            font-size: 13px;
        }

        .category-intro {
            padding: 40px 0;
            background: var(--bg);
        }

        .intro-inner {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 40px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--primary);
        }

        .intro-inner p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin: 0;
        }

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

        .section-header {
            margin-bottom: 48px;
            max-width: 720px;
        }

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

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }

        .eyebrow::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 16px;
            background: var(--amber);
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin: 0 0 12px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        .content-items-section {
            background: var(--bg);
            padding: var(--spacer) 0;
        }

        .content-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .content-item {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            display: flex;
            gap: 28px;
            padding: 24px 28px;
            transition: transform .25s ease, box-shadow .25s ease;
            border: 1px solid rgba(221, 229, 224, .5);
        }

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

        .item-thumb {
            width: 144px;
            min-width: 144px;
            height: 132px;
            border-radius: 10px;
            overflow: hidden;
            background: #e8ede9;
        }

        .item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .item-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .item-tags {
            margin-bottom: 8px;
        }

        .tag-badge {
            display: inline-block;
            background: rgba(29, 122, 95, .08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            border: 1px solid rgba(29, 122, 95, .16);
        }

        .item-info h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .item-info h3 a {
            color: inherit;
        }

        .item-info h3 a:hover {
            color: var(--primary);
        }

        .item-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0 0 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .item-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--muted);
        }

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

        .item-meta i {
            font-size: 12px;
            color: var(--primary);
        }

        .read-more {
            margin-left: auto;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(29, 122, 95, .08);
            color: var(--primary) !important;
            font-size: 13px !important;
            transition: background .2s ease, transform .2s ease;
        }

        .content-item:hover .read-more {
            background: var(--primary);
            color: #fff !important;
            transform: translateX(2px);
        }

        .scenarios-section {
            background: #fff;
            padding: var(--spacer) 0;
        }

        .scenario-card {
            height: 100%;
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 36px 28px 32px;
            border: 1px solid rgba(221, 229, 224, .6);
            transition: transform .25s ease, box-shadow .25s ease;
        }

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

        .scenario-card .icon-wrap {
            width: 48px;
            height: 48px;
            background: rgba(29, 122, 95, .1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
            font-size: 20px;
        }

        .scenario-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
        }

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

        .faq-section {
            background: var(--bg);
            padding: var(--spacer) 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 60px;
        }

        .faq-heading .eyebrow {
            margin-bottom: 14px;
        }

        .faq-heading h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 14px;
            line-height: 1.3;
        }

        .faq-heading p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
            margin: 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
        }

        .faq-item {
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            position: relative;
            transition: padding-left .25s ease;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-item.active {
            padding-left: 20px;
        }

        .faq-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 18px;
            bottom: 18px;
            width: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            padding: 0 26px 0 0;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            line-height: 1.5;
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--primary);
            transition: transform .25s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 12px 0 0;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 640px;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .cta-section {
            padding: var(--spacer) 0;
            background: #fff;
        }

        .cta-card {
            background: var(--primary-dark);
            border-radius: 16px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            background: rgba(245, 169, 64, .12);
            border-radius: 50%;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 180px;
            height: 180px;
            background: rgba(29, 122, 95, .3);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 14px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            margin: 0 auto 32px;
            max-width: 480px;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            position: relative;
            z-index: 1;
        }

        .btn-outline-amber {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--amber);
            font-weight: 700;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 6px;
            border: 1.5px solid rgba(245, 169, 64, .6);
            cursor: pointer;
            transition: border-color .2s ease, background .2s ease;
        }

        .btn-outline-amber:hover {
            border-color: var(--amber);
            background: rgba(245, 169, 64, .1);
            color: var(--amber);
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .75);
            padding: 72px 0 0;
            border-top: 3px solid var(--primary);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-top .logo {
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: inline-block;
            margin-bottom: 12px;
        }

        .footer-top .logo span {
            color: var(--amber);
        }

        .footer-top p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            color: rgba(255, 255, 255, .6);
        }

        .footer-top h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-top h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--amber);
            border-radius: 1px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: var(--amber);
            padding-left: 4px;
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--amber);
            font-size: 13px;
            width: 16px;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            margin: 0;
        }

        .btn:focus,
        .nav-login-btn:focus,
        .faq-question:focus,
        .nav-search:focus,
        .mobile-toggle:focus {
            outline: 3px solid rgba(245, 169, 64, .5);
            outline-offset: 2px;
        }

        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero {
                min-height: 480px;
                padding: 120px 0 64px;
            }
            .hero h1 {
                font-size: 40px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --spacer: 64px;
            }
            .section-space,
            .content-items-section,
            .scenarios-section,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }
            .hero {
                min-height: auto;
                padding: 110px 0 56px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .btn-amber,
            .btn-ghost-light {
                padding: 12px 22px;
                font-size: 14px;
            }
            .hero-trust {
                gap: 14px;
                flex-direction: column;
                align-items: flex-start;
            }
            .section-header h2,
            .faq-heading h2,
            .cta-card h2 {
                font-size: 24px;
            }
            .content-item {
                flex-direction: column;
                padding: 18px 18px 22px;
                gap: 16px;
            }
            .item-thumb {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .item-meta {
                gap: 10px;
                font-size: 12px;
            }
            .read-more {
                margin-left: 0;
            }
            .cta-card {
                padding: 40px 24px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-logo {
                font-size: 15px;
            }
            .nav-login-btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-amber,
            .btn-ghost-light {
                width: 100%;
                justify-content: center;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .intro-inner {
                padding: 24px 20px;
            }
            .item-meta span:nth-child(3) {
                display: none;
            }
            .faq-question {
                font-size: 15px;
            }
            .faq-answer {
                font-size: 13px;
            }
        }