/* roulang page: index */
:root {
            --brand: #0B6B4B;
            --brand-dark: #064F39;
            --brand-light: #EDF5EF;
            --accent: #C8F04B;
            --ink: #10251C;
            --paper: #F6F4EC;
            --neutral-100: #E4E0D4;
            --neutral-300: #8A958E;
            --neutral-500: #565F58;
            --neutral-700: #6B7580;
            --radius: 16px;
            --shadow-card: 0 8px 20px rgba(16,37,28,.06);
            --shadow-hover: 0 12px 28px rgba(16,37,28,.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--paper);
            color: #2B2B2B;
            line-height: 1.7;
            font-size: 16px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
        }

        input, textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        .section-gap {
            padding: 60px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--neutral-700);
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-gap {
                padding: 40px 0;
            }
        }

        /* 导航样式 */
        .site-header {
            height: 72px;
            background: rgba(246, 244, 236, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--neutral-100);
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .site-header .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo-text {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            flex-shrink: 0;
        }

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

        .header-nav a {
            font-size: .95rem;
            font-weight: 500;
            color: var(--neutral-500);
            padding: 8px 2px;
            position: relative;
            transition: color .2s;
        }

        .header-nav a:hover {
            color: var(--brand);
        }

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

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            height: 44px;
            padding: 0 24px;
            background: var(--brand);
            color: #fff;
            border-radius: 10px;
            font-weight: 600;
            font-size: .95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s;
        }

        .header-cta:hover {
            background: var(--brand-dark);
            box-shadow: var(--shadow-brand);
        }

        .header-cta:focus-visible,
        .btn:focus-visible {
            outline: 4px solid rgba(11, 107, 75, .25);
            outline-offset: 2px;
        }

        /* 移动端底部 Tab */
        .bottom-tab {
            display: none;
        }

        @media (max-width: 767px) {
            .desktop-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .bottom-tab {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 62px;
                background: rgba(255, 255, 255, .96);
                backdrop-filter: blur(12px);
                border-top: 1px solid var(--neutral-100);
                z-index: 100;
                padding: 0 8px;
                padding-bottom: env(safe-area-inset-bottom);
            }
            .bottom-tab a {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 3px;
                font-size: .7rem;
                color: var(--neutral-500);
                min-height: 44px;
                border-radius: 8px;
                transition: all .15s;
            }
            .bottom-tab a.active {
                color: var(--brand);
                font-weight: 600;
            }
            .bottom-tab a.active .tab-dot {
                width: 4px;
                height: 4px;
                background: var(--accent);
                border-radius: 50%;
            }
            .bottom-tab a:active {
                transform: scale(.96);
            }
            .bottom-tab svg {
                width: 20px;
                height: 20px;
            }
            body {
                padding-bottom: 62px;
            }
        }

        /* Hero */
        .hero {
            padding: 60px 0 80px;
            background: var(--paper);
            position: relative;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .08;
            pointer-events: none;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 6fr 5fr;
            gap: 24px;
            align-items: center;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--ink);
            font-size: .85rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.01em;
            color: var(--ink);
            margin-bottom: 16px;
        }

        .hero-sub {
            font-size: 1.1rem;
            color: var(--neutral-500);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: .95rem;
            transition: all .2s;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: var(--shadow-brand);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--ink);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200, 240, 75, .3);
        }

        .btn-outline {
            background: #fff;
            border: 2px solid var(--brand);
            color: var(--brand);
            height: 40px;
            padding: 0 20px;
        }

        .btn-outline:hover {
            border-color: var(--brand-dark);
            background: rgba(11, 107, 75, .05);
        }

        .hero-trust {
            font-size: .85rem;
            color: var(--neutral-700);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 400px;
            background: var(--neutral-100);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .hero-visual-overlay {
            position: relative;
            z-index: 1;
            padding: 32px;
            background: linear-gradient(135deg, rgba(16,37,28,.85) 0%, rgba(16,37,28,.35) 100%);
            color: #fff;
            border-radius: var(--radius);
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }

        .hero-visual-overlay p {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .hero-visual-overlay span {
            font-size: .9rem;
            opacity: .85;
        }

        @media (max-width: 768px) {
            .hero {
                padding: 40px 0 60px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-visual {
                min-height: 220px;
            }
        }

        /* 功能轮播 */
        .feature-carousel {
            background: #fff;
            padding: 60px 0;
            overflow: hidden;
        }

        .carousel-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 16px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }

        .carousel-track::-webkit-scrollbar {
            height: 6px;
            background: var(--neutral-100);
            border-radius: 3px;
        }

        .carousel-track::-webkit-scrollbar-thumb {
            background: var(--neutral-300);
            border-radius: 3px;
        }

        .carousel-item {
            scroll-snap-align: start;
            flex: 0 0 280px;
            background: #fff;
            border: 1px solid var(--neutral-100);
            border-radius: var(--radius);
            padding: 16px;
            transition: all .3s;
            box-shadow: var(--shadow-card);
        }

        .carousel-item:hover {
            transform: translateY(-3px);
            border-color: var(--brand);
            box-shadow: var(--shadow-hover);
        }

        .carousel-item .shot {
            height: 420px;
            background: var(--neutral-100);
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            margin-bottom: 14px;
        }

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

        .carousel-item .func-name {
            display: inline-block;
            background: var(--neutral-100);
            color: var(--ink);
            font-size: .8rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            margin-bottom: 6px;
        }

        .carousel-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .carousel-item p {
            font-size: .85rem;
            color: var(--neutral-700);
            line-height: 1.5;
        }

        .carousel-dots {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 16px;
        }

        .carousel-dots span {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: var(--neutral-100);
            transition: all .3s;
            cursor: pointer;
        }

        .carousel-dots span.active {
            width: 24px;
            background: var(--accent);
        }

        /* 系统要求 */
        .system-req {
            padding: 60px 0;
            background: var(--paper);
        }

        .sys-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .sys-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--neutral-100);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .sys-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sys-card h3 .icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
        }

        .sys-list {
            list-style: none;
            margin-top: 8px;
        }

        .sys-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: .95rem;
            color: var(--neutral-500);
            border-bottom: 1px dashed var(--neutral-100);
        }

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

        .sys-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .browser-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }

        .browser-tags span {
            background: var(--brand-light);
            color: var(--brand-dark);
            font-size: .85rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 999px;
        }

        .qrcode-wrap {
            margin-top: 20px;
            text-align: center;
        }

        .qrcode-wrap .qr-box {
            width: 140px;
            height: 140px;
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--neutral-100);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px;
            box-shadow: var(--shadow-card);
            margin-bottom: 8px;
        }

        .qrcode-wrap .qr-box img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .qrcode-wrap p {
            font-size: .85rem;
            color: var(--neutral-700);
        }

        @media (max-width: 768px) {
            .sys-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 评价墙 */
        .reviews {
            padding: 60px 0;
            background: var(--ink);
        }

        .reviews .section-title {
            color: #fff;
        }

        .reviews .section-subtitle {
            color: rgba(255,255,255,.6);
        }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: rgba(255,255,255,.06);
            border: 1px solid rgba(255,255,255,.1);
            border-radius: var(--radius);
            padding: 24px;
            backdrop-filter: blur(4px);
            transition: all .3s;
        }

        .review-card:hover {
            background: rgba(255,255,255,.1);
            transform: translateY(-3px);
        }

        .stars {
            display: flex;
            gap: 3px;
            margin-bottom: 12px;
            color: var(--accent);
        }

        .review-card p {
            color: rgba(255,255,255,.85);
            font-size: .92rem;
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .review-tag {
            display: inline-block;
            background: rgba(255,255,255,.12);
            color: rgba(255,255,255,.75);
            font-size: .8rem;
            padding: 4px 12px;
            border-radius: 999px;
        }

        @media (max-width: 768px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* 下载 CTA */
        .download-cta {
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
            border-radius: 24px;
            padding: 48px;
            position: relative;
            overflow: hidden;
        }

        .download-cta::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: var(--accent);
            border-radius: 50%;
            opacity: .15;
        }

        .download-cta .d-left h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .download-cta .d-left p {
            color: rgba(255,255,255,.85);
            margin-bottom: 24px;
            max-width: 400px;
        }

        .download-cta .d-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .download-cta .btn-accent {
            background: var(--accent);
            color: var(--ink);
        }

        .download-cta .btn-outline {
            border-color: #fff;
            color: #fff;
            background: transparent;
        }

        .download-cta .btn-outline:hover {
            background: rgba(255,255,255,.1);
            border-color: var(--accent);
        }

        .download-cta .d-right {
            display: flex;
            align-items: center;
            gap: 24px;
            justify-content: flex-end;
        }

        .download-cta .qr-box {
            background: #fff;
            border-radius: 12px;
            padding: 12px;
            width: 132px;
            height: 132px;
        }

        .download-cta .qr-box img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .version-info {
            color: rgba(255,255,255,.7);
            font-size: .85rem;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .download-cta {
                padding: 32px;
                flex-direction: column;
            }
            .download-cta .d-right {
                justify-content: flex-start;
                margin-top: 24px;
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* 资讯列表 */
        .news-section {
            padding: 60px 0;
            background: #fff;
        }

        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .news-card {
            display: flex;
            gap: 20px;
            background: var(--paper);
            border: 1px solid var(--neutral-100);
            border-radius: 14px;
            padding: 20px;
            transition: all .3s;
        }

        .news-card:hover {
            border-color: var(--brand);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .news-card .news-thumb {
            width: 180px;
            height: 120px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--neutral-100);
        }

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

        .news-card .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-card .news-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--ink);
            font-size: .75rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 4px;
            width: fit-content;
            margin-bottom: 8px;
        }

        .news-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: .88rem;
            color: var(--neutral-700);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .news-card .news-meta {
            font-size: .8rem;
            color: var(--neutral-300);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .news-card .read-link {
            color: var(--brand);
            font-weight: 500;
            font-size: .88rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s;
        }

        .news-card .read-link:hover {
            text-decoration: underline;
            gap: 8px;
        }

        .news-empty {
            min-height: 180px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px dashed var(--neutral-100);
            border-radius: var(--radius);
            background: var(--paper);
            color: var(--neutral-700);
            font-size: .95rem;
        }

        @media (max-width: 640px) {
            .news-card {
                flex-direction: column;
            }
            .news-card .news-thumb {
                width: 100%;
                height: 140px;
            }
        }

        /* FAQ */
        .faq-section {
            padding: 60px 0;
            background: var(--paper);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 3fr 7fr;
            gap: 32px;
            align-items: start;
        }

        .faq-catalog {
            position: sticky;
            top: 100px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--neutral-100);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }

        .faq-catalog h4 {
            font-size: .9rem;
            font-weight: 600;
            color: var(--neutral-500);
            text-transform: uppercase;
            letter-spacing: .04em;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--neutral-100);
        }

        .faq-catalog a {
            display: block;
            padding: 8px 10px;
            border-radius: 8px;
            color: var(--neutral-500);
            font-size: .92rem;
            transition: all .2s;
            border-left: 3px solid transparent;
        }

        .faq-catalog a:hover {
            color: var(--brand);
            background: var(--brand-light);
        }

        .faq-catalog a.active {
            border-left-color: var(--brand);
            color: var(--brand);
            font-weight: 500;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--neutral-100);
            border-radius: 12px;
            padding: 0;
            overflow: hidden;
            transition: all .3s;
        }

        .faq-item.open {
            border-left: 3px solid var(--brand);
            box-shadow: var(--shadow-card);
        }

        .faq-q {
            width: 100%;
            padding: 18px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            background: transparent;
            transition: color .2s;
            min-height: 44px;
        }

        .faq-q:hover {
            color: var(--brand);
        }

        .faq-item.open .faq-q {
            color: var(--brand);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--neutral-100);
            color: var(--ink);
            transition: all .3s;
            position: relative;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: currentColor;
            border-radius: 2px;
        }

        .faq-icon::before {
            width: 10px;
            height: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 10px;
            transition: transform .2s;
        }

        .faq-item.open .faq-icon {
            background: var(--accent);
        }

        .faq-item.open .faq-icon::after {
            transform: scaleY(0);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-a {
            max-height: 200px;
            padding-bottom: 18px;
        }

        .faq-a p {
            font-size: .92rem;
            color: var(--neutral-500);
            line-height: 1.6;
            padding-top: 2px;
        }

        @media (max-width: 768px) {
            .faq-layout {
                grid-template-columns: 1fr;
            }
            .faq-catalog {
                position: static;
                display: flex;
                gap: 8px;
                overflow-x: auto;
                padding: 12px;
                white-space: nowrap;
            }
            .faq-catalog h4 {
                display: none;
            }
            .faq-catalog a {
                display: inline-block;
                border-left: none;
                padding: 6px 14px;
                background: var(--paper);
                border-radius: 999px;
            }
            .faq-catalog a.active {
                background: var(--brand);
                color: #fff;
            }
        }

        /* 结尾 CTA */
        .final-cta {
            background: var(--ink);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .final-cta .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .final-cta h2 {
            color: #fff;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .final-cta p {
            color: rgba(255,255,255,.6);
            font-size: .95rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--ink);
            color: #C7D1CB;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255,255,255,.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-brand p {
            font-size: .88rem;
            color: rgba(255,255,255,.55);
            line-height: 1.6;
            margin-top: 12px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: .88rem;
            color: rgba(255,255,255,.6);
            transition: color .2s;
        }

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

        .footer-contact {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .footer-contact .qr-box {
            width: 84px;
            height: 84px;
            background: #fff;
            border-radius: 10px;
            padding: 6px;
        }

        .footer-contact .qr-box img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: .82rem;
            color: rgba(255,255,255,.4);
        }

        .footer-bottom a {
            color: rgba(255,255,255,.5);
            text-decoration: underline;
            font-size: inherit;
            padding: 0;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-contact {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
/* ========== 设计变量 ========== */
        :root {
            --brand: #0B6B4B;
            --brand-dark: #064F39;
            --accent: #C8F04B;
            --paper: #F6F4EC;
            --ink: #10251C;
            --text-main: #333333;
            --text-weak: #6B7580;
            --border: #E4E0D4;
            --neutral: #8A958E;
            --white: #FFFFFF;
            --radius-lg: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 20px rgba(16, 37, 28, .06);
            --shadow-hover: 0 14px 30px rgba(16, 37, 28, .12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--paper);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        a:focus-visible {
            outline: 4px solid rgba(11, 107, 75, .25);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 40px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            height: var(--header-h);
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(11, 107, 75, .2);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.01em;
            white-space: nowrap;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        .header-nav a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: #444;
            padding: 6px 2px;
            transition: color .2s;
        }
        .header-nav a:hover {
            color: var(--brand);
        }
        .header-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width .25s;
        }
        .header-nav a:hover::after,
        .header-nav a.active::after {
            width: 100%;
        }
        .header-nav a.active {
            color: var(--brand);
            font-weight: 700;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 22px;
            background: var(--brand);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: all .25s;
        }
        .header-cta:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 16px rgba(11, 107, 75, .18);
            transform: translateY(-1px);
        }
        @media (max-width: 767px) {
            .desktop-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
        }

        /* ========== 文章头部 Hero ========== */
        .article-hero {
            position: relative;
            background: linear-gradient(115deg, rgba(16, 37, 28, .96), rgba(11, 107, 75, .82)),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
            padding: 64px 0 76px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 36px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .78);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            opacity: .45;
        }
        .crumb-current {
            color: rgba(255, 255, 255, .95);
            max-width: 520px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-title {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -.01em;
            max-width: 860px;
            margin-bottom: 28px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item svg {
            width: 16px;
            height: 16px;
            opacity: .7;
        }
        @media (max-width: 640px) {
            .article-hero {
                padding: 44px 0 52px;
            }
            .article-meta {
                gap: 10px 16px;
            }
        }

        /* ========== 正文阅读区 ========== */
        .article-content-section {
            padding: 64px 0 72px;
        }
        .article-single {
            max-width: 760px;
            margin: 0 auto;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: #2B2B2B;
        }
        .article-body p {
            margin: 0 0 1.2em;
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin: 44px 0 16px;
            padding-top: 8px;
            position: relative;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin: 34px 0 12px;
        }
        .article-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin: 28px 0 10px;
        }
        .article-body a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--brand-dark);
        }
        .article-body blockquote {
            border-left: 3px solid var(--brand);
            background: #EDF5EF;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            color: #3A4A42;
            font-size: 15px;
        }
        .article-body ul {
            list-style: disc;
            padding-left: 1.5em;
            margin: 0 0 1.2em;
        }
        .article-body ol {
            list-style: decimal;
            padding-left: 1.5em;
            margin: 0 0 1.2em;
        }
        .article-body li {
            margin-bottom: .55em;
        }
        .article-body img {
            border-radius: 12px;
            max-width: 100%;
            height: auto;
            background: var(--border);
            margin: 24px 0;
        }
        .article-body figure {
            margin: 24px 0;
        }
        .article-body figcaption {
            font-size: 14px;
            color: var(--text-weak);
            text-align: center;
            margin-top: 8px;
            line-height: 1.5;
        }
        .article-body strong {
            font-weight: 700;
            color: var(--ink);
        }
        .article-body code {
            background: #EDF5EF;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: .9em;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 32px 0;
        }

        /* 内容未找到 */
        .not-found {
            text-align: center;
            padding: 90px 20px;
        }
        .nf-icon {
            width: 84px;
            height: 84px;
            border-radius: 50%;
            background: #EDF5EF;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 28px;
            font-size: 38px;
            color: var(--brand);
        }
        .not-found h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
        }
        .not-found p {
            color: var(--text-weak);
            margin-bottom: 36px;
            font-size: 15px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 26px;
            background: var(--brand);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all .25s;
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 16px rgba(11, 107, 75, .18);
            transform: translateY(-1px);
        }
        @media (max-width: 640px) {
            .article-content-section {
                padding: 44px 0 52px;
            }
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: 72px 0;
            background: var(--white);
            border-top: 1px solid var(--border);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 36px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
        }
        .section-head .sub {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 6px;
        }
        .section-more {
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            transition: color .2s;
        }
        .section-more:hover {
            color: var(--brand-dark);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            display: block;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .3s;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--brand);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--border);
        }
        .related-body {
            padding: 24px;
        }
        .tag {
            display: inline-block;
            background: var(--accent);
            color: var(--ink);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            margin-bottom: 12px;
            letter-spacing: .02em;
        }
        .related-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
        }
        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .related-card {
                display: flex;
                align-items: center;
            }
            .related-card img {
                width: 180px;
                height: 140px;
                flex-shrink: 0;
            }
        }
        @media (max-width: 560px) {
            .related-card {
                flex-direction: column;
                align-items: stretch;
            }
            .related-card img {
                width: 100%;
                height: 160px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ========== 底部 CTA ========== */
        .cta-section {
            padding: 80px 0;
        }
        .cta-inner {
            position: relative;
            background: var(--ink);
            border-radius: 24px;
            padding: 60px 48px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .cta-inner::before {
            content: "";
            position: absolute;
            top: -70%;
            right: -15%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(200, 240, 75, .16), transparent 65%);
            pointer-events: none;
        }
        .cta-inner::after {
            content: "";
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(11, 107, 75, .4), transparent 60%);
            pointer-events: none;
        }
        .cta-inner h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .7);
            max-width: 540px;
            margin: 0 auto 34px;
            font-size: 15px;
            position: relative;
            z-index: 1;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 30px;
            background: var(--accent);
            color: var(--ink);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            transition: all .25s;
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(200, 240, 75, .25);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 30px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, .55);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all .25s;
        }
        .btn-ghost:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        @media (max-width: 640px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-inner {
                padding: 44px 24px;
            }
            .btn-accent,
            .btn-ghost {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--ink);
            color: #C7D1CB;
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
            display: block;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            padding: 6px 0;
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-contact {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .qr-box {
            width: 112px;
            height: 112px;
            background: #fff;
            border-radius: 12px;
            padding: 8px;
            flex-shrink: 0;
        }
        .qr-box img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        .footer-contact > div:last-child {
            font-size: .88rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 24px 0 34px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .4);
            transition: color .2s;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 980px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                padding-bottom: 24px;
            }
        }
        @media (max-width: 767px) {
            .site-footer {
                padding-bottom: 68px;
            }
        }

        /* ========== 移动端底部 Tab ========== */
        .mobile-tabbar {
            display: none;
        }
        @media (max-width: 767px) {
            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 60;
                height: 62px;
                background: rgba(255, 255, 255, .96);
                backdrop-filter: blur(12px);
                border-top: 1px solid var(--border);
                box-shadow: 0 -4px 16px rgba(16, 37, 28, .06);
            }
            .tab-item {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 3px;
                font-size: 11px;
                color: #8A958E;
                position: relative;
                transition: color .2s;
                min-height: 44px;
            }
            .tab-item svg {
                width: 22px;
                height: 22px;
            }
            .tab-item.active {
                color: var(--brand);
                font-weight: 600;
            }
            .tab-item.active::after {
                content: "";
                position: absolute;
                top: 8px;
                right: calc(50% - 24px);
                width: 6px;
                height: 6px;
                border-radius: 50%;
                background: var(--accent);
            }
            .tab-item:active {
                opacity: .75;
                transform: scale(.96);
            }
        }

/* roulang page: category1 */
:root {
            --brand: #0B6B4B;
            --brand-dark: #064F39;
            --accent: #C8F04B;
            --paper: #F6F4EC;
            --ink: #10251C;
            --border: #E4E0D4;
            --muted: #6B7580;
            --text: #333333;
            --radius: 16px;
            --shadow: 0 8px 20px rgba(16, 37, 28, .06);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--paper);
            color: var(--text);
            line-height: 1.7;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(246, 244, 236, .92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 800;
            font-size: 18px;
            color: var(--ink);
            letter-spacing: -.01em;
            line-height: 1.2;
        }

        .header-nav {
            display: flex;
            gap: 32px;
            margin-left: auto;
        }

        .header-nav a {
            position: relative;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            padding: 10px 2px 10px 14px;
            transition: color .2s ease;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 2px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
            width: 0;
            transition: width .2s ease;
        }

        .header-nav a:hover {
            color: var(--brand);
        }

        .header-nav a:hover::after {
            width: calc(100% - 16px);
        }

        .header-nav a.active {
            color: var(--brand);
        }

        .header-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand);
        }

        .header-nav a.active::after {
            width: calc(100% - 16px);
            background: var(--brand);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 20px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
        }

        .header-cta:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 16px rgba(11, 107, 75, .18);
            transform: translateY(-1px);
        }

        .mobile-tabbar {
            display: none;
        }

        .hero {
            background: linear-gradient(100deg, rgba(16, 37, 28, .92), rgba(11, 107, 75, .72)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            padding: 80px 0 96px;
            color: #fff;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color .2s ease;
        }

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

        .hero h1 {
            margin: 0 0 16px;
            font-size: 44px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -.01em;
        }

        .hero-sub {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .9);
            max-width: 560px;
            margin: 0 0 32px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--ink);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            transition: all .2s ease;
        }

        .btn:focus-visible {
            outline: 4px solid rgba(11, 107, 75, .25);
            outline-offset: 2px;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--ink);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200, 240, 75, .22);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, .85);
            color: #fff;
        }

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

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

        .btn-brand:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 16px rgba(11, 107, 75, .18);
        }

        .btn-outline {
            border: 2px solid var(--brand);
            color: var(--brand);
            background: #fff;
        }

        .btn-outline:hover {
            background: rgba(11, 107, 75, .05);
            border-color: var(--brand-dark);
        }

        .btn-ink {
            background: var(--ink);
            color: #fff;
        }

        .btn-ink:hover {
            background: #1d3a2e;
            transform: translateY(-1px);
        }

        .guide-wrap {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 48px;
            padding: 64px 0;
            align-items: start;
        }

        .guide-side {
            position: sticky;
            top: 104px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
        }

        .guide-side-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--muted);
            letter-spacing: .06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .guide-side nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .guide-side nav a {
            display: block;
            padding: 10px 12px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            transition: background .2s ease, color .2s ease;
        }

        .guide-side nav a:hover,
        .guide-side nav a.active {
            background: rgba(11, 107, 75, .08);
            color: var(--brand);
        }

        .guide-main {
            min-width: 0;
        }

        .guide-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            margin-bottom: 32px;
            box-shadow: var(--shadow);
        }

        .guide-block.reverse .guide-media {
            order: -1;
        }

        .guide-block .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--accent);
            color: var(--ink);
            font-weight: 800;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .guide-block h2 {
            margin: 0 0 12px;
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
        }

        .guide-block p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            margin: 0 0 20px;
        }

        .check-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 10px;
        }

        .check-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: 14px;
            color: var(--text);
        }

        .check-list li svg {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            color: var(--brand);
            margin-top: 2px;
        }

        .guide-media {
            border-radius: 12px;
            overflow: hidden;
            background: var(--border);
        }

        .guide-media img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 64px 0;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 48px;
            margin-top: 36px;
        }

        .faq-nav-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--muted);
            letter-spacing: .06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .faq-nav a {
            display: block;
            padding: 10px 12px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            transition: background .2s ease, color .2s ease;
        }

        .faq-nav a:hover {
            background: rgba(11, 107, 75, .08);
            color: var(--brand);
        }

        .faq-list {
            display: grid;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .faq-item:hover {
            border-color: var(--brand);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            padding: 18px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color .2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:after {
            content: '+';
            font-size: 22px;
            font-weight: 500;
            color: var(--accent);
            transition: transform .2s ease;
            line-height: 1;
        }

        .faq-item[open] summary {
            color: var(--brand);
            border-left: 3px solid var(--brand);
            padding-left: 17px;
        }

        .faq-item[open] summary:after {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 20px 18px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-answer p {
            margin: 0;
        }

        .cta-banner {
            background: var(--accent);
            color: var(--ink);
            padding: 64px 0;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-inner h2 {
            margin: 0 0 8px;
            font-size: 32px;
            font-weight: 800;
            line-height: 1.2;
        }

        .cta-inner p {
            margin: 0;
            font-size: 16px;
            opacity: .85;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .related-block {
            padding: 64px 0;
        }

        .related-heading {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 24px;
            text-align: center;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 720px;
            margin: 0 auto;
        }

        .related-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .related-card:hover {
            transform: translateY(-3px);
            border-color: var(--brand);
            box-shadow: 0 12px 28px rgba(16, 37, 28, .1);
        }

        .related-card .icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(11, 107, 75, .1);
            color: var(--brand);
            flex-shrink: 0;
        }

        .related-card h3 {
            margin: 0 0 4px;
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
        }

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

        .site-footer {
            background: var(--ink);
            color: #C7D1CB;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }

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

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 10px;
            transition: color .2s ease;
        }

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

        .footer-contact {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .qr-box {
            width: 120px;
            height: 120px;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            padding: 6px;
            flex-shrink: 0;
        }

        .qr-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 32px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            justify-content: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
            transition: color .2s ease;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            text-align: center;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--muted);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 40px;
        }

        @media (max-width: 1024px) {
            .container {
                padding-left: 28px;
                padding-right: 28px;
            }

            .guide-wrap,
            .faq-wrap {
                grid-template-columns: 220px 1fr;
                gap: 32px;
            }

            .guide-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .guide-block.reverse .guide-media {
                order: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .site-header {
                height: auto;
            }

            .header-inner {
                height: 64px;
            }

            .header-nav {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .logo-text {
                font-size: 15px;
                line-height: 1.3;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                border-radius: 8px;
            }

            .logo-mark svg {
                width: 16px;
                height: 16px;
            }

            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 64px;
                background: rgba(255, 255, 255, .96);
                backdrop-filter: blur(10px);
                border-top: 1px solid var(--border);
                z-index: 60;
                align-items: stretch;
            }

            .mobile-tabbar a {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 4px;
                font-size: 12px;
                font-weight: 600;
                color: var(--muted);
                transition: color .2s ease;
                min-height: 44px;
            }

            .mobile-tabbar a svg {
                width: 22px;
                height: 22px;
            }

            .mobile-tabbar a.active {
                color: var(--brand);
            }

            .mobile-tabbar a.active span {
                position: relative;
            }

            .mobile-tabbar a.active span::after {
                content: '';
                position: absolute;
                left: 50%;
                bottom: -6px;
                transform: translateX(-50%);
                width: 6px;
                height: 6px;
                border-radius: 50%;
                background: var(--accent);
            }

            body {
                padding-bottom: 64px;
            }

            .hero {
                padding: 56px 0 72px;
            }

            .hero h1 {
                font-size: 32px;
            }

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

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

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

            .guide-wrap {
                display: block;
                padding: 40px 0;
            }

            .guide-side {
                position: static;
                padding: 16px;
                margin-bottom: 24px;
                overflow-x: auto;
            }

            .guide-side nav {
                display: flex;
                flex-direction: row;
                gap: 8px;
                white-space: nowrap;
                width: max-content;
                min-width: 100%;
            }

            .guide-side nav a {
                padding: 10px 16px;
                flex-shrink: 0;
            }

            .guide-side-title {
                display: none;
            }

            .guide-block {
                padding: 24px;
                margin-bottom: 24px;
            }

            .guide-block h2 {
                font-size: 22px;
            }

            .guide-media img {
                height: 200px;
            }

            .faq-section {
                padding: 40px 0;
            }

            .faq-wrap {
                display: block;
            }

            .faq-nav {
                display: flex;
                flex-wrap: wrap;
                gap: 8px;
                margin-bottom: 24px;
            }

            .faq-nav a {
                padding: 8px 14px;
                border-radius: 999px;
                background: var(--paper);
                border: 1px solid var(--border);
                font-size: 14px;
            }

            .faq-nav-title {
                display: none;
            }

            .cta-banner {
                padding: 48px 0;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn {
                flex: 1;
                min-width: 140px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 14px;
            }

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

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

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