/* roulang page: index */
:root {
            --color-primary: #CDF14B;
            --color-primary-dark: #b3d63a;
            --color-dark: #0D1B12;
            --color-dark-2: #13291c;
            --color-page: #F4F6EF;
            --color-card: #FFFFFF;
            --color-accent: #FF6B1A;
            --color-accent-hover: #FF8540;
            --color-accent-active: #E55A12;
            --color-text: #16221A;
            --color-heading: #0D1B12;
            --color-muted: #5C6F62;
            --color-muted-dark: #A8B5AD;
            --color-border: #DDE5D3;
            --color-border-dark: #223426;
            --color-success: #38A169;
            --color-error: #E53E3E;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --shadow-default: 0 8px 24px rgba(13,27,18,0.06);
            --shadow-hover: 0 14px 32px rgba(13,27,18,0.12);
            --shadow-nav: 0 2px 12px rgba(13,27,18,0.06);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-display: "Oswald", "Barlow Condensed", -apple-system, sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--color-page);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color .2s ease; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        .container { max-width: 1320px; padding-left: 24px; padding-right: 24px; }
        section { padding: 96px 0; }
        @media (max-width: 991px) { section { padding: 64px 0; } }
        @media (max-width: 767px) { section { padding: 40px 0; } }

        h1, h2, h3, h4, h5, h6 { color: var(--color-heading); font-weight: 700; line-height: 1.3; }
        .section-title { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
        .section-subtitle { color: var(--color-muted); font-size: 16px; max-width: 640px; }
        @media (max-width: 767px) {
            .section-title { font-size: 24px; }
        }
        .text-accent { color: var(--color-primary); }

        .btn { border-radius: var(--radius-btn); font-weight: 600; padding: 12px 24px; border: 2px solid transparent; transition: all .2s ease; }
        .btn:focus-visible, .form-control:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
        .btn-primary-custom {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary-custom:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color: #fff; transform: translateY(-2px); }
        .btn-primary-custom:active { background: var(--color-accent-active); border-color: var(--color-accent-active); transform: translateY(0); }
        .btn-lime-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-heading);
        }
        .btn-lime-outline:hover { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-heading); }
        .btn-on-dark {
            background: #fff;
            border-color: #fff;
            color: var(--color-dark);
        }
        .btn-on-dark:hover { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-dark); transform: translateY(-2px); }
        .btn-outline-white {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.7);
            color: #fff;
        }
        .btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }
        .btn-sm-custom { padding: 8px 16px; font-size: 14px; }

        .badge-custom {
            background: var(--color-primary);
            color: var(--color-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            display: inline-block;
        }

        .card { border-radius: var(--radius-card); border: 1px solid var(--color-border); background: var(--color-card); box-shadow: var(--shadow-default); transition: transform .25s ease, box-shadow .25s ease; }
        .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

        .section-heading { display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
        .section-heading .link-more { color: var(--color-muted); font-weight: 600; font-size: 15px; }
        .section-heading .link-more:hover { color: var(--color-accent); }

        /* ===== Top bar ===== */
        .topbar { background: var(--color-dark); color: var(--color-muted-dark); font-size: 13px; height: 36px; display: flex; align-items: center; }
        .topbar a { color: var(--color-muted-dark); font-weight: 500; }
        .topbar a:hover { color: var(--color-primary); }
        .topbar .divider-dot { margin: 0 10px; opacity: 0.5; }

        /* ===== Nav ===== */
        .navbar-main {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            min-height: 72px;
            padding: 0;
            transition: box-shadow .25s ease;
        }
        .navbar-main.is-sticky { box-shadow: var(--shadow-nav); }
        .navbar-main .container { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
        .navbar-brand-custom { display: flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 800; color: var(--color-dark); }
        .navbar-brand-custom:hover { color: var(--color-dark); }
        .brand-logo { width: 36px; height: 36px; flex-shrink: 0; }
        .navbar-links { display: flex; align-items: center; gap: 0; margin: 0; padding: 0; }
        .navbar-links li a {
            display: block;
            padding: 12px 18px;
            font-size: 16px;
            color: #333;
            font-weight: 500;
            position: relative;
            border-bottom: 3px solid transparent;
            margin-bottom: -1px;
        }
        .navbar-links li a:hover { color: var(--color-dark); }
        .navbar-links li a.active { color: var(--color-dark); border-bottom-color: var(--color-primary); font-weight: 600; }
        .nav-cta { display: flex; align-items: center; gap: 12px; }
        .nav-toggle {
            background: transparent;
            border: 1px solid var(--color-border);
            width: 42px;
            height: 42px;
            border-radius: var(--radius-btn);
            display: none;
            align-items: center;
            justify-content: center;
            color: var(--color-heading);
            font-size: 20px;
        }
        .navbar-mobile-panel {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 16px 24px;
        }
        .navbar-mobile-panel a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: #333;
            border-bottom: 1px solid #F0F3EC;
        }
        .navbar-mobile-panel a.active { color: var(--color-dark); font-weight: 700; }
        .navbar-mobile-panel a:last-child { border-bottom: none; }
        @media (max-width: 991px) {
            .navbar-links { display: none; }
            .nav-toggle { display: flex; }
            .nav-cta .btn { display: none; }
        }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(105deg, rgba(13,27,18,0.96) 25%, rgba(13,27,18,0.82) 60%, rgba(13,27,18,0.65) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
            padding: 110px 0 100px;
            position: relative;
        }
        .hero-content { max-width: 680px; }
        .hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(205,241,75,0.15); border: 1px solid rgba(205,241,75,0.4); color: var(--color-primary); padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 24px; }
        .hero h1 { font-size: 44px; font-weight: 800; line-height: 1.25; color: #fff; margin-bottom: 18px; }
        .hero .lead { font-size: 20px; color: #cfdac9; margin-bottom: 32px; max-width: 540px; }
        .hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats {
            position: absolute;
            right: 5%;
            bottom: 48px;
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.16);
            border-radius: 20px;
            padding: 24px 32px;
            display: flex;
            gap: 36px;
        }
        .hero-stat .num { font-size: 32px; font-weight: 700; color: var(--color-primary); font-family: var(--font-display); line-height: 1; }
        .hero-stat .label { font-size: 13px; color: var(--color-muted-dark); margin-top: 6px; }
        @media (max-width: 1199px) {
            .hero-stats { position: static; margin-top: 48px; justify-content: flex-start; }
        }
        @media (max-width: 767px) {
            .hero { padding: 70px 0 50px; }
            .hero h1 { font-size: 28px; }
            .hero .lead { font-size: 16px; }
            .hero-stats { gap: 24px; padding: 16px 20px; flex-wrap: wrap; }
            .hero-stat .num { font-size: 24px; }
        }

        /* ===== Marquee banner ===== */
        .marquee-strip {
            background: var(--color-primary);
            color: var(--color-dark);
            padding: 14px 0;
            overflow: hidden;
            white-space: nowrap;
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
        }
        .marquee-strip span { display: inline-block; padding-right: 60px; }
        .marquee-strip .dot { margin: 0 20px; color: var(--color-dark); opacity: 0.6; }

        /* ===== Hot grid / product cards ===== */
        .hot-grid { background: var(--color-page); }
        .product-card .card-inner { padding: 0; overflow: hidden; height: 100%; }
        .product-card .cover-wrap { position: relative; overflow: hidden; aspect-ratio: 3 / 2; background: #E9EEE3; border-radius: var(--radius-card) var(--radius-card) 0 0; }
        .product-card .cover-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
        .product-card:hover .cover-wrap img { transform: scale(1.05); }
        .product-card .badge-custom { position: absolute; top: 14px; left: 14px; }
        .product-card .card-body { padding: 20px 24px 24px; }
        .product-card .card-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 50px; }
        .product-card .card-desc { font-size: 14px; color: var(--color-muted); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
        .product-card .card-meta { border-top: 1px dashed var(--color-border); padding-top: 16px; display: flex; justify-content: space-between; align-items: center; }
        .product-card .price { font-size: 20px; font-weight: 700; color: var(--color-accent); font-family: var(--font-display); }
        .product-card .btn-small { padding: 6px 14px; font-size: 13px; font-weight: 600; border-radius: 8px; background: var(--color-dark); color: #fff; }
        .product-card .btn-small:hover { background: var(--color-accent); }

        /* ===== Testimonials carousel ===== */
        .testimonial-section { background: var(--color-dark); color: #fff; }
        .testimonial-section .section-title { color: #fff; }
        .testimonial-section .section-subtitle { color: var(--color-muted-dark); }
        .testimonial-carousel { max-width: 920px; margin: 0 auto; }
        .testimonial-item { text-align: center; padding: 20px 40px; }
        .testimonial-item .quote-icon { font-size: 40px; color: var(--color-primary); margin-bottom: 20px; opacity: 0.5; }
        .testimonial-item .quote-text { font-size: 22px; font-weight: 500; line-height: 1.7; color: #F0F5EC; max-width: 780px; margin: 0 auto 28px; }
        .testimonial-item .avatar { width: 56px; height: 56px; border-radius: 50%; background: #3D5A45; display: inline-flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; color: var(--color-primary); margin-bottom: 12px; }
        .testimonial-item .name { font-weight: 600; font-size: 16px; color: #fff; }
        .testimonial-item .role { font-size: 14px; color: var(--color-muted-dark); }
        .testimonial-section .carousel-indicators { position: static !important; margin-top: 32px; }
        .testimonial-section .carousel-indicators button {
            width: 10px !important;
            height: 10px !important;
            border-radius: 999px !important;
            background: rgba(255,255,255,0.4) !important;
            border: 0 !important;
            transition: all .2s ease;
        }
        .testimonial-section .carousel-indicators button.active { width: 24px !important; background: var(--color-primary) !important; }
        .testimonial-section .carousel-control-prev, .testimonial-section .carousel-control-next { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; opacity: 1; }
        .testimonial-section .carousel-control-prev:hover, .testimonial-section .carousel-control-next:hover { background: rgba(205,241,75,0.2); }
        .testimonial-section .carousel-control-prev { left: -20px; }
        .testimonial-section .carousel-control-next { right: -20px; }
        .testimonial-section .carousel-control-prev .icon, .testimonial-section .carousel-control-next .icon { width: 24px; height: 24px; }

        /* ===== Assurance strip ===== */
        .assurance-strip { background: #E9EEE3; padding: 48px 0; }
        .assurance-item { display: flex; gap: 14px; align-items: flex-start; }
        .assurance-item .icon-wrap { width: 48px; height: 48px; border-radius: 12px; background: var(--color-dark); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
        .assurance-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
        .assurance-item p { font-size: 14px; color: var(--color-muted); margin-bottom: 0; }
        @media (max-width: 767px) {
            .assurance-item { flex-direction: row; }
        }

        /* ===== CMS News list ===== */
        .news-section { background: var(--color-page); }
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 16px;
            display: flex;
            gap: 16px;
            transition: box-shadow .25s ease, transform .25s ease;
            height: 100%;
        }
        .news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
        .news-thumb { width: 120px; height: 90px; border-radius: 12px; object-fit: cover; flex-shrink: 0; }
        .news-body { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
        .news-body h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .news-body p { font-size: 14px; color: var(--color-muted); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-meta { font-size: 13px; color: var(--color-muted-dark); display: flex; align-items: center; gap: 12px; }
        .news-meta .cat { color: var(--color-accent); font-weight: 600; }
        .news-meta .read-link { margin-left: auto; color: var(--color-heading); font-weight: 600; }
        .news-meta .read-link i { transition: transform .2s; }
        .news-card:hover .read-link i { transform: translateX(4px); }
        .news-empty { text-align: center; padding: 60px 20px; background: var(--color-card); border-radius: var(--radius-card); border: 1px dashed var(--color-border); }
        .news-empty i { font-size: 40px; color: var(--color-muted-dark); margin-bottom: 12px; }
        @media (max-width: 575px) {
            .news-card { flex-direction: row; }
            .news-thumb { width: 90px; height: 70px; }
        }

        /* ===== CTA Banner ===== */
        .cta-banner { background: linear-gradient(120deg, #CDF14B 0%, #d9f570 100%); padding: 72px 0; }
        .cta-banner h2 { font-size: 36px; font-weight: 800; color: var(--color-dark); }
        .cta-banner p { font-size: 18px; color: #2b3a30; margin-bottom: 32px; max-width: 640px; }
        .cta-banner .btn-dark-custom { background: var(--color-dark); color: #fff; border-color: var(--color-dark); }
        .cta-banner .btn-dark-custom:hover { background: #1b3a24; transform: translateY(-2px); }
        @media (max-width: 767px) {
            .cta-banner h2 { font-size: 26px; }
        }

        /* ===== FAQ Accordion ===== */
        .faq-section { background: #FBFDF7; }
        .faq-section .accordion-item { border: 1px solid var(--color-border); border-radius: var(--radius-card) !important; overflow: hidden; margin-bottom: 16px; box-shadow: none; }
        .faq-section .accordion-button {
            background: var(--color-card);
            color: var(--color-heading);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: var(--radius-card) !important;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: var(--color-card);
            box-shadow: inset 3px 0 0 var(--color-primary);
            color: var(--color-heading);
        }
        .faq-section .accordion-button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }
        .faq-section .accordion-button::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%230D1B12' viewBox='0 0 16 16'%3E%3Cpath d='M8 12 2 4h12z'/%3E%3C/svg%3E"); transition: transform .2s ease; transform: rotate(0); }
        .faq-section .accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
        .faq-section .accordion-body { padding: 0 24px 20px; color: var(--color-muted); font-size: 15px; max-width: 100%; }

        /* ===== Footer ===== */
        .footer { background: var(--color-dark); color: var(--color-muted-dark); padding-top: 72px; }
        .footer .brand-col .footer-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .footer .brand-col p { font-size: 15px; max-width: 280px; margin-bottom: 24px; }
        .footer .social-links { display: flex; gap: 12px; }
        .footer .social-links a { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: var(--color-muted-dark); font-size: 16px; }
        .footer .social-links a:hover { background: var(--color-primary); color: var(--color-dark); }
        .footer h5 { color: #fff; font-size: 17px; font-weight: 600; margin-bottom: 18px; }
        .footer .footer-links li { margin-bottom: 10px; }
        .footer .footer-links a { font-size: 15px; color: var(--color-muted-dark); }
        .footer .footer-links a:hover { color: #fff; }
        .footer .contact-info li { display: flex; gap: 10px; font-size: 15px; margin-bottom: 14px; align-items: flex-start; }
        .footer .contact-info i { color: var(--color-primary); margin-top: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 40px; padding: 20px 0; text-align: center; font-size: 15px; }

        /* ===== Utility ===== */
        .bg-white { background: #fff; }
        .text-dark-custom { color: var(--color-heading) !important; }
        .text-muted-custom { color: var(--color-muted) !important; }
        .mt-80 { margin-top: 80px; }
        .mb-80 { margin-bottom: 80px; }
        .section-title-wrap { margin-bottom: 40px; }

        @media (max-width: 991px) {
            .section-title { font-size: 28px; }
            .hero-stats { bottom: 30px; }
        }
        @media (max-width: 767px) {
            .section-title { font-size: 24px; }
            .section-subtitle { font-size: 15px; }
            .hero-stats { gap: 20px; }
            .hero-stats .num { font-size: 22px; }
            .nav-cta .btn { display: none; }
            .badge-custom { font-size: 11px; padding: 4px 10px; }
        }
        @media (max-width: 575px) {
            .hero-stats { gap: 16px; justify-content: space-between; }
            .hero-stat .num { font-size: 20px; }
            .hero-stat .label { font-size: 12px; }
            .section-heading { flex-direction: column; align-items: flex-start; }
        }

/* roulang page: category1 */
:root {
            --primary: #CDF14B;
            --primary-dark: #b5db35;
            --dark: #0D1B12;
            --dark-2: #122618;
            --bg: #F4F6EF;
            --card-bg: #FFFFFF;
            --accent: #FF6B1A;
            --accent-hover: #FF8540;
            --accent-active: #E55A12;
            --text: #16221A;
            --heading: #0D1B12;
            --muted: #5C6F62;
            --muted-dark: #A8B5AD;
            --border: #DDE5D3;
            --border-dark: #223426;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow: 0 8px 24px rgba(13, 27, 18, 0.06);
            --shadow-hover: 0 14px 32px rgba(13, 27, 18, 0.12);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }

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

        a {
            color: var(--heading);
            text-decoration: none;
            transition: color 0.2s;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .section {
            padding: 96px 0;
        }

        .section-head {
            max-width: 760px;
            margin: 0 auto 56px;
            text-align: center;
        }

        .section-head h2 {
            font-size: 32px;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

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

        .section-tag {
            display: inline-block;
            background: var(--primary);
            color: var(--dark);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            position: sticky;
            top: 0;
            z-index: 1030;
            height: 72px;
            background: #fff;
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s;
        }

        .navbar-main.scrolled {
            box-shadow: 0 2px 12px rgba(13, 27, 18, 0.06);
        }

        .navbar-main .container {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--heading);
            white-space: nowrap;
        }

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

        .brand-logo {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .navbar-links a {
            display: block;
            font-size: 16px;
            font-weight: 500;
            color: #333;
            padding: 20px 0 16px;
            position: relative;
            border-bottom: 3px solid transparent;
        }

        .navbar-links a:hover {
            color: var(--dark);
        }

        .navbar-links a.active {
            color: var(--dark);
            border-bottom-color: var(--primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--heading);
            cursor: pointer;
            padding: 6px 10px;
        }

        /* ===== 按钮 ===== */
        .btn {
            font-weight: 600;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s, border-color 0.2s;
        }

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

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

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

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

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

        .btn-outline-custom:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

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

        .btn-light-custom:hover {
            background: var(--primary);
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-sm-custom {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-md);
        }

        .btn-lg-custom {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-area {
            padding: 20px 0 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
        }

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

        .breadcrumb-custom a:hover {
            color: var(--dark);
        }

        .breadcrumb-custom .separator {
            color: var(--muted);
        }

        .breadcrumb-custom .current {
            color: var(--dark);
            font-weight: 500;
        }

        /* ===== Hero 分类页 ===== */
        .page-hero {
            position: relative;
            background: var(--dark);
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 88px 0 96px;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 18, 0.92) 0%, rgba(13, 27, 18, 0.78) 100%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 680px;
        }

        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            line-height: 1.2;
        }

        .hero-content h1 .lime {
            color: var(--primary);
        }

        .hero-content .lead-text {
            font-size: 18px;
            color: var(--muted-dark);
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(168, 181, 173, 0.25);
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            min-width: 130px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            font-family: "Barlow Condensed", "Oswald", -apple-system, sans-serif;
            letter-spacing: 0.02em;
        }

        .stat-label {
            font-size: 13px;
            color: var(--muted-dark);
            margin-top: 4px;
        }

        /* ===== 信任条 ===== */
        .trust-bar {
            background: #E9EEE3;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
        }

        .trust-bar .container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }

        .trust-item i {
            color: var(--accent);
            font-size: 20px;
        }

        /* ===== 核心卖点 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 24px;
            transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary);
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

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

        /* ===== 适用场景 ===== */
        .scenario-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .scenario-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow);
        }

        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            margin-top: 28px;
        }

        .scenario-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            border-radius: var(--radius-md);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .scenario-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .scenario-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--dark);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .scenario-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .scenario-item p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
        }

        /* ===== 流程 ===== */
        .process-section {
            background: var(--dark);
            color: #fff;
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-section .section-head p {
            color: var(--muted-dark);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: transform 0.25s, background 0.25s;
        }

        .process-item:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.08);
        }

        .process-num {
            font-family: "Barlow Condensed", "Oswald", sans-serif;
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 18px;
        }

        .process-item h3 {
            font-size: 18px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 10px;
        }

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

        /* ===== 指南卡片 ===== */
        .guide-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            height: 100%;
            transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .guide-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--dark);
        }

        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .guide-card:hover .guide-card-img img {
            transform: scale(1.05);
        }

        .badge-custom {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: var(--dark);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            z-index: 2;
        }

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

        .guide-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-desc {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 16px;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px dashed var(--border);
            font-size: 13px;
            color: var(--muted);
        }

        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--heading);
            font-size: 14px;
        }

        .arrow-link:hover {
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-wrap .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .faq-wrap .accordion-button {
            background: #fff;
            color: var(--heading);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-lg) !important;
            transition: color 0.2s;
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--heading);
            box-shadow: none;
            border-left: 3px solid var(--primary);
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(205, 241, 75, 0.35);
        }

        .faq-wrap .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230D1B12'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform 0.2s;
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(-180deg);
        }

        .faq-wrap .accordion-body {
            padding: 4px 24px 24px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ===== CTA横幅 ===== */
        .cta-banner {
            background: var(--primary);
            padding: 64px 0;
            overflow: hidden;
        }

        .cta-banner .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 32px;
        }

        .cta-content h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--dark);
            opacity: 0.75;
            margin: 0;
            max-width: 560px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: var(--muted-dark);
            padding: 72px 0 0;
            font-size: 14px;
        }

        .footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer p {
            color: var(--muted-dark);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 600;
        }

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

        .footer-links a,
        .contact-info li {
            color: var(--muted-dark);
        }

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

        .contact-info li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
        }

        .contact-info i {
            color: var(--primary);
            margin-top: 4px;
        }

        .social-links {
            display: flex;
            gap: 10px;
        }

        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted-dark);
            font-size: 16px;
            transition: background 0.2s, color 0.2s, border-color 0.2s;
        }

        .social-links a:hover {
            background: var(--primary);
            color: var(--dark);
            border-color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding: 24px 0;
            margin-top: 56px;
            text-align: center;
            color: var(--muted-dark);
            font-size: 13px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 72px 0;
            }

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

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

            .hero-content h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }

            .navbar-main .container {
                height: 64px;
            }

            .navbar-main {
                height: 64px;
            }

            .navbar-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 24px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                gap: 0;
                z-index: 1029;
            }

            .navbar-links.open {
                display: flex;
            }

            .navbar-links li {
                width: 100%;
            }

            .navbar-links a {
                padding: 14px 0;
                border-bottom: 1px solid var(--border);
                font-size: 16px;
            }

            .navbar-links a.active {
                border-bottom: 1px solid var(--border);
                color: var(--heading);
                font-weight: 600;
                position: relative;
            }

            .navbar-links a.active::before {
                content: "";
                position: absolute;
                left: 0;
                top: 50%;
                transform: translateY(-50%);
                width: 3px;
                height: 20px;
                background: var(--primary);
                border-radius: 3px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-cta .btn {
                display: none;
            }

            .hero-content h1 {
                font-size: 28px;
            }

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

            .hero-stats {
                gap: 12px;
            }

            .stat-item {
                flex: 1;
                min-width: 105px;
                padding: 16px;
            }

            .stat-num {
                font-size: 24px;
            }

            .cta-banner .container {
                flex-direction: column;
                text-align: center;
            }

            .trust-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }

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

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

            .hero-cta .btn {
                width: 100%;
                text-align: center;
            }

            .hero-stats {
                flex-direction: column;
            }

            .stat-item {
                width: 100%;
            }

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

            .cta-content h2 {
                font-size: 24px;
            }

            .footer {
                padding-top: 48px;
            }
        }

/* roulang page: article */
:root {
            --primary: #CDF14B;
            --primary-dark: #B5D93A;
            --dark: #0D1B12;
            --bg: #F4F6EF;
            --card: #FFFFFF;
            --accent: #FF6B1A;
            --text: #16221A;
            --text-heading: #0D1B12;
            --text-muted: #5C6F62;
            --text-dark-muted: #A8B5AD;
            --border: #DDE5D3;
            --border-dark: #223426;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --shadow: 0 8px 24px rgba(13, 27, 18, 0.06);
            --shadow-hover: 0 14px 32px rgba(13, 27, 18, 0.12);
            --section-gap: 96px;
        }

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

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        ul, ol {
            list-style: none;
        }
        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
        }

        /* ============ 顶部信息条 ============ */
        .top-info-bar {
            background: var(--dark);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 13px;
            color: var(--text-dark-muted);
        }
        .top-info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-info-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-info-actions a {
            color: var(--text-dark-muted);
            transition: color .2s;
        }
        .top-info-actions a:hover {
            color: var(--primary);
        }
        .top-info-actions .bar-sep {
            color: var(--border-dark);
            opacity: .6;
        }
        @media (max-width: 767px) {
            .top-info-bar .top-info-left {
                display: none;
            }
            .top-info-bar .container {
                justify-content: flex-end;
            }
        }

        /* ============ 主导航 ============ */
        .navbar-main {
            width: 100%;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: box-shadow .3s;
        }
        .navbar-main.scrolled {
            box-shadow: 0 2px 12px rgba(13, 27, 18, 0.08);
        }
        .navbar-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            position: relative;
        }
        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--dark);
        }
        .brand-logo {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .navbar-links a {
            position: relative;
            display: inline-flex;
            align-items: center;
            height: 72px;
            font-size: 15px;
            font-weight: 500;
            color: #333;
            transition: color .2s;
        }
        .navbar-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
            transition: width .25s ease;
        }
        .navbar-links a:hover::after,
        .navbar-links a.active::after {
            width: 100%;
        }
        .navbar-links a.active {
            color: var(--text-heading);
            font-weight: 600;
        }
        .navbar-links a:hover {
            color: var(--dark);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-heading);
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background .2s;
        }
        .nav-toggle:hover {
            background: var(--bg);
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        @media (max-width: 767px) {
            .navbar-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 24px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                border-radius: 0 0 16px 16px;
            }
            .navbar-links.active {
                display: flex;
            }
            .navbar-links li + li {
                border-top: 1px solid var(--border);
            }
            .navbar-links a {
                height: auto;
                padding: 14px 0;
                font-size: 16px;
            }
            .navbar-links a::after {
                display: none;
            }
            .navbar-links li:first-child a {
                padding-top: 12px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-cta .btn-primary-custom {
                display: none;
            }
        }

        /* ============ 按钮 ============ */
        .btn-primary-custom {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.2;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: #FF8540;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 107, 26, 0.25);
        }
        .btn-primary-custom:active {
            background: #E55A12;
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--text-heading);
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: var(--text-heading);
            transform: translateY(-2px);
        }
        .btn-sm-custom {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg-custom {
            padding: 14px 32px;
            font-size: 15px;
        }
        .btn-primary-custom:focus-visible,
        .btn-outline-custom:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ============ 文章 Hero ============ */
        .article-hero {
            background: linear-gradient(135deg, rgba(13, 27, 18, 0.95) 0%, rgba(13, 27, 18, 0.78) 55%, rgba(13, 27, 18, 0.92) 100%), url('/assets/images/backpic/back-1.webp') center 40% / cover no-repeat;
            padding: 68px 0 76px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: url('/assets/images/backpic/back-2.webp') no-repeat center / contain;
            opacity: 0.06;
            transform: rotate(15deg);
            pointer-events: none;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-dark-muted);
        }
        .article-breadcrumb a {
            color: var(--text-dark-muted);
            transition: color .2s;
        }
        .article-breadcrumb a:hover {
            color: var(--primary);
        }
        .article-breadcrumb .sep {
            color: var(--border-dark);
            font-size: 12px;
        }
        .article-breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: 13px;
        }
        .article-title-1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.35;
            color: #fff;
            margin: 20px 0 16px;
            max-width: 840px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            font-size: 14px;
            color: var(--text-dark-muted);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--primary);
            font-size: 13px;
        }
        @media (max-width: 767px) {
            .article-hero {
                padding: 48px 0 56px;
            }
            .article-title-1 {
                font-size: 28px;
                margin-top: 16px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
        }

        /* ============ 正文区 ============ */
        .article-body {
            padding: 64px 0 16px;
        }
        .article-detail {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow);
            max-width: 960px;
            margin: 0 auto;
            padding: 48px 56px;
        }
        .article-content {
            max-width: 820px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
        }
        .article-content > p:first-child {
            font-size: 18px;
            color: var(--text-heading);
        }
        .article-content p {
            margin-bottom: 24px;
        }
        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--bg);
        }
        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 32px 0 12px;
        }
        .article-content img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 24px 0;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            color: var(--text-muted);
            margin: 24px 0;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: #E55A12;
        }

        /* 标签和分享 */
        .article-footer-meta {
            max-width: 820px;
            margin: 32px auto 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            padding-top: 24px;
            border-top: 1px dashed var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            background: var(--bg);
            color: var(--text-muted);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all .2s;
        }
        .tag:hover {
            background: var(--primary);
            color: var(--dark);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .share-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            transition: all .2s;
        }
        .share-icon:hover {
            background: var(--primary);
            color: var(--dark);
        }

        /* 未找到 */
        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            max-width: 640px;
            margin: 0 auto;
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .article-not-found i {
            font-size: 48px;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .article-not-found h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        @media (max-width: 767px) {
            .article-body {
                padding: 40px 0 8px;
            }
            .article-detail {
                padding: 24px 20px;
                border-radius: 12px;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.7;
            }
            .article-content > p:first-child {
                font-size: 17px;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ============ 相关推荐 ============ */
        .related-section {
            padding: 72px 0 24px;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 36px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            margin: 0;
            position: relative;
        }
        .section-head h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin-top: 8px;
        }
        .related-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .related-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--bg);
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card h3 a {
            color: var(--text-heading);
        }
        .related-card h3 a:hover {
            color: var(--accent);
        }
        .related-card .card-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .related-card .card-meta i {
            color: var(--primary);
            font-size: 12px;
        }
        @media (max-width: 767px) {
            .related-section {
                padding: 48px 0 16px;
            }
            .section-head h2 {
                font-size: 24px;
            }
        }

        /* ============ CTA 横幅 ============ */
        .cta-section {
            padding: 72px 0 96px;
        }
        .cta-banner {
            background: linear-gradient(135deg, #CDF14B 0%, #E8FFB0 100%);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 160px;
            height: 160px;
            border: 2px dashed rgba(13, 27, 18, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(13, 27, 18, 0.75);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .cta-banner .btn-primary-custom {
            background: var(--dark);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
        }
        .cta-banner .btn-primary-custom:hover {
            background: #16221A;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13, 27, 18, 0.2);
        }
        .cta-banner .btn-white-outline {
            background: transparent;
            border: 2px solid var(--dark);
            color: var(--dark);
            border-radius: var(--radius-btn);
            padding: 12px 30px;
            font-size: 14px;
            font-weight: 600;
            transition: all .25s;
        }
        .cta-banner .btn-white-outline:hover {
            background: var(--dark);
            color: var(--primary);
        }
        @media (max-width: 767px) {
            .cta-section {
                padding: 48px 0 64px;
            }
            .cta-banner {
                padding: 40px 20px;
                border-radius: 16px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ============ 页脚 ============ */
        .footer {
            background: var(--dark);
            color: var(--text-dark-muted);
            padding: 80px 0 0;
        }
        .footer .brand-col {
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-links {
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-dark-muted);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer .contact-info {
            padding: 0;
            margin: 0;
        }
        .footer .contact-info li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 14px;
            color: var(--text-dark-muted);
            line-height: 1.5;
        }
        .footer .contact-info i {
            color: var(--primary);
            margin-top: 2px;
            width: 16px;
            text-align: center;
        }
        .social-links {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark-muted);
            font-size: 16px;
            transition: all .25s;
        }
        .social-links a:hover {
            background: var(--primary);
            color: var(--dark);
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding: 20px 0;
            margin-top: 48px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 767px) {
            .footer {
                padding-top: 56px;
            }
            .footer-bottom {
                margin-top: 32px;
            }
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 991px) {
            .footer .brand-col {
                margin-bottom: 24px;
            }
        }