/* roulang page: index */
:root {
            --color-primary: #007A4D;
            --color-primary-light: #00A862;
            --color-accent: #FF5A1F;
            --color-bg: #F7F9F7;
            --color-dark: #0C1F17;
            --color-border: #E8EDE9;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--color-bg);
            color: #1F2937;
            line-height: 1.6;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        input,
        select,
        textarea,
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            color: #4B5563;
            transition: color .2s ease;
        }
        .nav-link:hover {
            color: var(--color-primary);
        }
        .nav-link.active {
            color: var(--color-primary);
            border-bottom: 2px solid var(--color-primary);
            padding-bottom: 2px;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            border-radius: 9999px;
            padding: .75rem 1.5rem;
            transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-primary-light);
            box-shadow: 0 8px 24px rgba(0, 122, 77, .25);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0) scale(.98);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            font-weight: 600;
            border-radius: 9999px;
            padding: .7rem 1.4rem;
            transition: background .2s ease, color .2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(0, 122, 77, .08);
        }
        .section-padding {
            padding: 4rem 0;
        }
        @media (min-width: 1024px) {
            .section-padding {
                padding: 6rem 0;
            }
        }
        .grid-pattern-dark {
            background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
            background-size: 40px 40px;
        }
        .grid-pattern-light {
            background-image: linear-gradient(rgba(0, 0, 0, .03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 0, 0, .03) 1px, transparent 1px);
            background-size: 40px 40px;
        }
        .card-hover {
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, .08);
        }
        .input-base {
            background: #F9FAFB;
            border: 1px solid #E5E7EB;
            border-radius: .5rem;
            padding: .75rem 1rem;
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .input-base:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(0, 122, 77, .1);
        }
        .modal-backdrop {
            background: rgba(0, 0, 0, .6);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
        .modal-enter {
            animation: modalIn .25s ease-out;
        }
        @keyframes modalIn {
            from {
                opacity: 0;
                transform: scale(.96);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        details.faq-item {
            border: 1px solid var(--color-border);
            border-radius: 1rem;
            background: #fff;
            overflow: hidden;
            transition: background .2s ease;
        }
        details.faq-item[open] {
            background: rgba(0, 122, 77, .04);
            border-color: rgba(0, 122, 77, .2);
        }
        details.faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: #111827;
            list-style: none;
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary .chevron {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform .25s ease;
            color: var(--color-primary);
        }
        details.faq-item[open] summary .chevron {
            transform: rotate(180deg);
        }
        details.faq-item .faq-body {
            padding: 0 1.5rem 1.25rem;
            color: #4B5563;
            font-size: .9375rem;
            line-height: 1.7;
        }
        .h-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .h-scroll::-webkit-scrollbar-thumb {
            background: #D1D5DB;
            border-radius: 3px;
        }
        .h-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        @media (max-width: 639px) {
            .hide-xs-img {
                display: none;
            }
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .line-clamp-1 {
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

/* roulang page: category1 */
:root {
  --color-primary: #007A4D;
  --color-primary-light: #00A862;
  --color-accent: #FF5A1F;
  --color-bg: #F7F9F7;
  --color-dark: #0C1F17;
  --color-border: #E8EDE9;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif; background: var(--color-bg); color: #1F2937; line-height: 1.6; -webkit-font-smoothing: antialiased; }
.container-page { max-width: 1200px; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
@media (min-width: 640px) { .container-page { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .container-page { padding-left: 2rem; padding-right: 2rem; } }
.nav-link { position: relative; font-weight: 500; color: #4B5563; transition: color .2s; }
.nav-link:hover { color: var(--color-primary); }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px; background: var(--color-primary); }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; background: var(--color-primary); color: #fff; font-weight: 600; padding: 0.75rem 1.5rem; border-radius: 9999px; transition: all .2s ease-out; border: 1px solid transparent; cursor: pointer; }
.btn-primary:hover { background: var(--color-primary-light); box-shadow: 0 8px 20px rgba(0,122,77,.2); transform: scale(1.02); }
.btn-primary:active { transform: scale(.98); }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; border: 2px solid var(--color-primary); color: var(--color-primary); font-weight: 600; padding: 0.7rem 1.4rem; border-radius: 9999px; transition: all .2s ease-out; background: transparent; cursor: pointer; }
.btn-outline:hover { background: rgba(0,122,77,.08); }
.btn-accent { display: inline-flex; align-items: center; justify-content: center; background: var(--color-accent); color: #fff; font-weight: 700; padding: 0.8rem 1.8rem; border-radius: 9999px; transition: all .2s ease-out; border: 1px solid transparent; cursor: pointer; }
.btn-accent:hover { background: #E64A12; box-shadow: 0 8px 20px rgba(255,90,31,.25); transform: translateY(-1px); }
.card-hover { background: #fff; border-radius: 1rem; border: 1px solid var(--color-border); transition: all .2s ease-out; }
.card-hover:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(15,40,30,.08); border-color: rgba(0,122,77,.25); }
.search-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(0,122,77,.1); outline: none; }
.faq-item { border: 1px solid var(--color-border); border-radius: 1rem; background: #fff; transition: all .2s ease; }
.faq-item[open] { background: rgba(0,122,77,.04); border-color: rgba(0,122,77,.3); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary { cursor: pointer; list-style: none; }
.faq-item .chevron { transition: transform .25s ease; }
.faq-item[open] .chevron { transform: rotate(180deg); }
.modal-overlay { backdrop-filter: blur(4px); }
.modal-card { animation: modalIn .25s ease-out; }
@keyframes modalIn { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
.bg-grid { background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 32px 32px; }
.section-number { font-size: 5rem; font-weight: 900; line-height: 1; color: rgba(0,122,77,.08); position: absolute; top: 1rem; right: 1.5rem; pointer-events: none; user-select: none; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hero-tag { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.25); color: #E5F0EA; border-radius: 9999px; padding: .35rem .9rem; font-size: .8rem; transition: all .2s; }
.hero-tag:hover { border-color: var(--color-primary-light); color: #fff; }
.data-divider { border-left: 1px solid rgba(255,255,255,.12); }
@media (max-width: 1023px) {
  .mobile-search-bar { display: none; }
  .mobile-search-bar.open { display: block; }
}
@media (min-width: 1024px) {
  .mobile-menu-btn { display: none; }
  .mobile-menu { display: none !important; }
}

/* roulang page: article */
:root {
            --color-primary: #007A4D;
            --color-primary-light: #00A862;
            --color-accent: #FF5A1F;
            --color-bg: #F7F9F7;
            --color-dark: #0C1F17;
            --color-border: #E8EDE9;
            --color-text: #1F2937;
            --color-muted: #6B7280;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 24px -8px rgba(0, 0, 0, 0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            transition: color 0.2s ease;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            padding: 0.35rem 0.1rem;
            color: rgba(12, 31, 23, 0.75);
            transition: color 0.2s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -3px;
            width: 0;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: width 0.2s ease;
        }

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

        .nav-link:hover::after {
            width: 100%;
        }

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

        .nav-link.active::after {
            width: 100%;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            border-radius: 9999px;
            transition: all 0.2s ease;
            border: none;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-light);
            color: #fff;
            box-shadow: 0 8px 20px rgba(0, 122, 77, 0.25);
            transform: translateY(-1px);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(0, 168, 98, 0.4);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 9999px;
            transition: all 0.2s ease;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 122, 77, 0.08);
            color: var(--color-primary);
        }

        .search-input {
            background-color: #f9fafb;
            border: 1px solid #e5e7eb;
            border-radius: 9999px;
            padding: 0.5rem 1rem 0.5rem 2.75rem;
            font-size: 0.875rem;
            width: 100%;
            height: 2.75rem;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(0, 122, 77, 0.12);
            background-color: #fff;
        }

        .article-content {
            font-size: 17px;
            line-height: 1.85;
            color: #374151;
        }

        .article-content>* {
            margin-bottom: 1.5rem;
        }

        .article-content h1,
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--color-dark);
            font-weight: 700;
            line-height: 1.3;
        }

        .article-content h2 {
            font-size: 1.5rem;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-left: 0.75rem;
            border-left: 4px solid var(--color-primary);
        }

        .article-content h3 {
            font-size: 1.25rem;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background-color: rgba(0, 122, 77, 0.06);
            padding: 1rem 1.25rem;
            border-radius: 0 0.75rem 0.75rem 0;
            color: #4B5563;
        }

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

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 0.4rem;
        }

        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--color-primary-light);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--color-border);
            padding: 0.75rem 1rem;
            text-align: left;
        }

        .article-content th {
            background-color: var(--color-bg);
            font-weight: 600;
            color: var(--color-dark);
        }

        .article-content tr:nth-child(even) td {
            background-color: rgba(0, 0, 0, 0.02);
        }

        .article-content img {
            border-radius: 1rem;
            margin: 1.5rem auto;
        }

        .article-content figure {
            margin: 1.5rem 0;
        }

        .article-content figcaption {
            text-align: center;
            color: var(--color-muted);
            font-size: 0.85rem;
            margin-top: 0.5rem;
        }

        .article-content code {
            background: #f3f4f6;
            padding: 0.15rem 0.4rem;
            border-radius: 0.25rem;
            font-size: 0.875em;
        }

        .article-content pre {
            background: var(--color-dark);
            color: #e5e7eb;
            padding: 1rem 1.25rem;
            border-radius: 0.75rem;
            overflow-x: auto;
            font-size: 0.875rem;
            line-height: 1.7;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 1rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.2s ease-out;
        }

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

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: 0.75rem;
            background: #fff;
            transition: background 0.2s ease, border-color 0.2s ease;
        }

        .faq-item[open] {
            background: rgba(0, 122, 77, 0.04);
            border-color: rgba(0, 122, 77, 0.2);
        }

        .faq-item summary {
            cursor: pointer;
            padding: 1rem 1.25rem;
            font-weight: 600;
            color: var(--color-dark);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

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

        .faq-item summary .chevron {
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary .chevron {
            transform: rotate(180deg);
        }

        .faq-item .faq-body {
            padding: 0 1.25rem 1.25rem;
            color: var(--color-muted);
            font-size: 0.925rem;
            line-height: 1.7;
        }

        .modal-overlay {
            position: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1rem;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s ease;
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-card {
            background: #fff;
            border-radius: 1.5rem;
            padding: 1.75rem;
            max-width: 32rem;
            width: 100%;
            transform: scale(0.96);
            transition: transform 0.2s ease-out;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
        }

        .modal-overlay.active .modal-card {
            transform: scale(1);
        }

        .form-input {
            width: 100%;
            background: #f9fafb;
            border: 1px solid #e5e7eb;
            border-radius: 0.5rem;
            padding: 0.75rem 1rem;
            font-size: 0.875rem;
            transition: all 0.2s ease;
            font-family: inherit;
            color: var(--color-text);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(0, 122, 77, 0.1);
            background: #fff;
        }

        .dark-texture {
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 24px 24px;
        }

        @media (max-width: 640px) {
            .article-content {
                font-size: 16px;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .modal-card {
                padding: 1.25rem;
            }
        }

/* roulang page: category2 */
:root {
        --color-primary: #007A4D;
        --color-primary-light: #00A862;
        --color-accent: #FF5A1F;
        --color-bg: #F7F9F7;
        --color-dark: #0C1F17;
        --color-border: #E8EDE9;
        --color-text: #132B21;
        --color-muted: #5B6E65;
        --shadow-card: 0 4px 20px rgba(12, 31, 23, 0.06);
        --shadow-hover: 0 20px 40px -16px rgba(12, 31, 23, 0.2);
        --radius-card: 1.25rem;
    }
    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background: var(--color-bg);
        color: var(--color-text);
        line-height: 1.6;
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
    }
    button {
        font-family: inherit;
        cursor: pointer;
    }
    .container-page {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    @media (min-width: 640px) {
        .container-page {
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
    }
    @media (min-width: 1024px) {
        .container-page {
            padding-left: 2rem;
            padding-right: 2rem;
        }
    }

    /* 导航 */
    .nav-link {
        position: relative;
        font-weight: 500;
        color: #4A5A52;
        transition: color .2s ease;
        padding: 6px 2px;
    }
    .nav-link:hover {
        color: var(--color-primary);
    }
    .nav-link::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 2px;
        border-radius: 2px;
        background: var(--color-primary);
        transition: width .2s ease;
    }
    .nav-link:hover::after,
    .nav-link.active::after {
        width: 100%;
    }
    .nav-link.active {
        color: var(--color-primary);
        font-weight: 700;
    }

    /* 按钮 */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--color-primary);
        color: #fff;
        font-weight: 600;
        padding: 0.875rem 1.75rem;
        border-radius: 999px;
        transition: all .2s ease;
    }
    .btn-primary:hover {
        background: var(--color-primary-light);
        transform: translateY(-1px);
        box-shadow: 0 8px 24px rgba(0, 122, 77, 0.3);
    }
    .btn-accent {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--color-accent);
        color: #fff;
        font-weight: 600;
        padding: 0.875rem 1.75rem;
        border-radius: 999px;
        transition: all .2s ease;
    }
    .btn-accent:hover {
        background: #ff6c38;
        transform: translateY(-1px);
        box-shadow: 0 10px 28px rgba(255, 90, 31, 0.3);
    }
    .btn-outline-light {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 2px solid rgba(255, 255, 255, 0.25);
        color: #fff;
        font-weight: 600;
        padding: 0.875rem 1.75rem;
        border-radius: 999px;
        transition: all .2s ease;
    }
    .btn-outline-light:hover {
        border-color: rgba(255, 255, 255, 0.5);
        background: rgba(255, 255, 255, 0.08);
    }
    .btn-outline-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 2px solid var(--color-primary);
        color: var(--color-primary);
        font-weight: 600;
        padding: 0.75rem 1.5rem;
        border-radius: 999px;
        transition: all .2s ease;
    }
    .btn-outline-primary:hover {
        background: rgba(0, 122, 77, 0.08);
        transform: translateY(-1px);
    }

    /* 标签 */
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        background: rgba(0, 122, 77, 0.1);
        color: var(--color-primary);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
    }
    .badge-light {
        display: inline-flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.15);
        color: rgba(255, 255, 255, 0.85);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
    }
    .pill-tag {
        display: inline-flex;
        align-items: center;
        padding: 8px 16px;
        border-radius: 999px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.85);
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.18);
        transition: all .2s ease;
    }
    .pill-tag:hover {
        border-color: var(--color-primary-light);
        color: #fff;
    }

    /* 卡片 */
    .card-hover {
        transition: all .25s ease;
    }
    .card-hover:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
    .arrow-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--color-primary);
        transition: color .2s ease;
    }
    .arrow-link:hover {
        color: var(--color-primary-light);
    }
    .arrow-link svg {
        transition: transform .2s ease;
    }
    .arrow-link:hover svg {
        transform: translateX(4px);
    }

    /* 编号 */
    .step-num {
        font-size: 3.5rem;
        font-weight: 900;
        line-height: 1;
        color: rgba(0, 122, 77, 0.14);
    }
    .section-label {
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.08em;
        color: var(--color-primary);
        text-transform: uppercase;
    }

    /* FAQ */
    .faq-item {
        border: 1px solid var(--color-border);
        border-radius: 18px;
        background: #fff;
        transition: background .2s ease, border-color .2s ease;
        overflow: hidden;
    }
    .faq-item.faq-open {
        background: rgba(0, 122, 77, 0.05);
        border-color: rgba(0, 122, 77, 0.25);
    }
    .faq-btn {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 24px;
        text-align: left;
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text);
        background: transparent;
        border: none;
        transition: color .2s ease;
    }
    .faq-btn:hover {
        color: var(--color-primary);
    }
    .faq-chevron {
        flex-shrink: 0;
        width: 20px;
        height: 20px;
        color: var(--color-muted);
        transition: transform .25s ease;
    }
    .faq-open .faq-chevron {
        transform: rotate(180deg);
        color: var(--color-primary);
    }
    .faq-answer {
        padding: 0 24px 20px;
        font-size: 15px;
        line-height: 1.75;
        color: var(--color-muted);
    }

    /* 移动端菜单 */
    .mobile-nav-link {
        display: block;
        padding: 10px 16px;
        border-radius: 12px;
        font-size: 15px;
        font-weight: 500;
        color: #4A5A52;
        transition: background .2s ease, color .2s ease;
    }
    .mobile-nav-link:hover {
        background: rgba(0, 122, 77, 0.06);
        color: var(--color-primary);
    }
    .mobile-nav-link.active {
        background: rgba(0, 122, 77, 0.1);
        color: var(--color-primary);
        font-weight: 700;
    }

    /* 输入框 */
    .input-search {
        width: 100%;
        height: 44px;
        padding-left: 44px;
        padding-right: 16px;
        font-size: 14px;
        border: 1px solid var(--color-border);
        border-radius: 999px;
        background: #F3F6F4;
        outline: none;
        transition: all .2s ease;
    }
    .input-search:focus {
        border-color: var(--color-primary);
        background: #fff;
        box-shadow: 0 0 0 4px rgba(0, 122, 77, 0.1);
    }
    .search-icon-left {
        position: absolute;
        left: 16px;
        top: 50%;
        transform: translateY(-50%);
        width: 18px;
        height: 18px;
        color: #7A8A82;
        pointer-events: none;
    }

    /* 图文卡 */
    .feature-card {
        background: #fff;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: all .25s ease;
    }
    .feature-card:hover {
        box-shadow: var(--shadow-hover);
        border-color: rgba(0, 122, 77, 0.2);
    }
    .feature-card:hover .feature-img img {
        transform: scale(1.04);
    }
    .feature-img {
        overflow: hidden;
    }
    .feature-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .4s ease;
    }

    /* 数据装饰 */
    .grid-pattern {
        background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
        background-size: 32px 32px;
    }