/* roulang page: index */
:root {
        --grass: #0EA56E;
        --grass-dark: #0B2B23;
        --grass-soft: #E2F5EA;
        --orange: #F27D2D;
        --cream: #F6F4EB;
        --white: #FFFFFF;
        --line: #DCE5DE;
        --line-dark: #C6D2C8;
        --success: #2F9E77;
        --danger: #DC4C3A;
        --ink: #16261F;
        --ink-soft: #5A6B64;
        --radius-lg: 14px;
        --radius-md: 10px;
        --shadow-soft: 0 2px 10px rgba(16, 42, 35, 0.06);
        --shadow-rise: 0 12px 28px rgba(16, 42, 35, 0.12);
        --ease: 200ms ease;
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        background: var(--cream);
        color: var(--ink);
        font-size: 16px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

    img {
        display: block;
        max-width: 100%;
        height: auto;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    ul,
    ol {
        margin: 0;
        padding: 0;
    }

    button,
    input,
    textarea {
        font: inherit;
    }

    button {
        cursor: pointer;
    }

    .container {
        width: 100%;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .section {
        padding: 88px 0;
    }

    .section-soft {
        background: #FBFAF3;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 48px;
        padding: 0 28px;
        border-radius: 10px;
        border: 2px solid transparent;
        font-weight: 600;
        font-size: 16px;
        line-height: 1;
        transition: all 200ms ease;
        white-space: nowrap;
    }

    .btn-track {
        background: var(--orange);
        color: #FFFFFF;
        border-color: var(--orange);
        box-shadow: 0 6px 16px rgba(242, 125, 45, 0.25);
    }

    .btn-track:hover {
        background: #ff8a3c;
        border-color: #ff8a3c;
        transform: translateY(-1px);
        box-shadow: 0 10px 22px rgba(242, 125, 45, 0.28);
    }

    .btn-ghost {
        background: transparent;
        border-color: var(--grass);
        color: var(--grass-dark);
    }

    .btn-ghost:hover {
        background: rgba(14, 165, 110, 0.06);
        color: var(--grass);
    }

    .btn-light {
        background: #FFFFFF;
        border-color: #FFFFFF;
        color: var(--grass-dark);
    }

    .btn-light:hover {
        background: #F2FBF6;
        transform: translateY(-1px);
        box-shadow: 0 12px 28px rgba(16, 42, 35, 0.16);
    }

    .btn-darkline {
        background: transparent;
        border-color: rgba(255, 255, 255, 0.7);
        color: #FFFFFF;
    }

    .btn-darkline:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: #FFFFFF;
    }

    .btn-sm {
        height: 42px;
        padding: 0 20px;
        font-size: 15px;
    }

    .btn:focus-visible,
    a:focus-visible,
    button:focus-visible {
        outline: 3px solid rgba(242, 125, 45, 0.7);
        outline-offset: 3px;
    }

    .btn[disabled] {
        opacity: 0.5;
        cursor: not-allowed;
        pointer-events: none;
    }

    .tag-capsule {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        height: 26px;
        padding: 0 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 500;
        background: #E6F7EF;
        color: #0B7A50;
        border: 1px solid #BFE8D5;
    }

    .tag-orange {
        background: #FFF3E8;
        color: #C25708;
        border-color: #F5D7BB;
    }

    .site-count {
        background: var(--grass-dark);
        color: #FFFFFF;
        padding: 12px 0;
    }

    .count-inner {
        display: flex;
        align-items: center;
        gap: 12px;
        min-height: 64px;
    }

    .dot-pulse {
        display: inline-block;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--orange);
        box-shadow: 0 0 0 4px rgba(242, 125, 45, 0.3);
        margin-right: 8px;
        flex: 0 0 auto;
    }

    .count-copy {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.75);
        display: flex;
        align-items: center;
        gap: 8px;
        white-space: nowrap;
    }

    .count-number {
        font-variant-numeric: tabular-nums;
        font-size: 30px;
        letter-spacing: 2px;
        color: #FFFFFF;
        font-weight: 700;
        white-space: nowrap;
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 50;
        background: #FFFEFA;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 1px 0 rgba(16, 42, 35, 0.02);
    }

    .header-shell {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 80px;
    }

    .logo {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        font-size: 24px;
        font-weight: 800;
        color: var(--grass-dark);
        line-height: 1.2;
    }

    .logo-mark {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        background: var(--grass);
        border-radius: 10px;
        overflow: hidden;
    }

    .logo-mark i {
        position: absolute;
        display: block;
        height: 4px;
        width: 76%;
        background: #FFFFFF;
        border-radius: 4px;
        left: 12%;
    }

    .logo-mark i:nth-child(1) {
        top: 12px;
        transform: rotate(-14deg);
    }

    .logo-mark i:nth-child(2) {
        top: 19px;
        transform: rotate(0deg);
    }

    .logo-mark i:nth-child(3) {
        top: 26px;
        transform: rotate(14deg);
    }

    .nav-pc {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .site-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 40px;
        padding: 0 16px;
        border-radius: 8px;
        font-weight: 500;
        color: #2D4137;
        transition: background 180ms ease, color 180ms ease;
    }

    .site-link:hover {
        background: #EDF8F2;
        color: var(--grass);
    }

    .site-link.active {
        color: var(--grass);
        font-weight: 600;
        position: relative;
    }

    .site-link.active::after {
        content: '';
        position: absolute;
        left: 14px;
        right: 14px;
        bottom: 2px;
        height: 3px;
        border-radius: 4px;
        background: var(--grass);
    }

    .nav-right {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .nav-toggle {
        border: 0;
        background: transparent;
        padding: 8px;
        border-radius: 6px;
    }

    .nav-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--ink);
        margin: 4px 0;
        transition: 200ms ease;
    }

    .mobile-menu {
        display: none;
    }

    .mobile-cta-row {
        display: none;
    }

    .hero {
        position: relative;
        background:
            linear-gradient(135deg, #EFF7F0 0%, #F6F4EB 70%);
        overflow: hidden;
    }

    .hero-inner {
        display: grid;
        grid-template-columns: 7fr 5fr;
        gap: 56px;
        align-items: center;
        padding: 72px 0 96px;
    }

    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 8px 14px;
        background: #E1F5EB;
        border: 1px solid #BDE5D1;
        border-radius: 999px;
        color: #147349;
        font-size: 14px;
        font-weight: 500;
    }

    .hero h1 {
        font-size: clamp(34px, 5vw, 56px);
        line-height: 1.18;
        font-weight: 800;
        color: #0B241E;
        margin: 24px 0 18px;
    }

    .hero-sub {
        max-width: 660px;
        font-size: 18px;
        color: #455E52;
        line-height: 1.8;
        margin: 0 0 28px;
    }

    .hero-note {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #66796f;
        font-size: 14px;
        margin-top: 20px;
    }

    .hero-note svg {
        color: var(--grass);
    }

    .hero-media {
        position: relative;
    }

    .hero-media figure {
        margin: 0;
        border-radius: 18px;
        overflow: hidden;
        box-shadow: var(--shadow-rise);
    }

    .hero-media img {
        width: 100%;
        aspect-ratio: 1/1;
        object-fit: cover;
    }

    .hero-stamp {
        position: absolute;
        left: -24px;
        bottom: 28px;
        background: var(--grass-dark);
        color: #FFFFFF;
        padding: 16px 20px;
        border-radius: 14px;
        box-shadow: 0 18px 40px rgba(11, 43, 35, 0.3);
    }

    .hero-stamp strong {
        display: block;
        color: var(--orange);
        font-size: 24px;
        font-variant-numeric: tabular-nums;
    }

    .section-headline {
        max-width: 760px;
        margin-bottom: 48px;
    }

    .kicker {
        font-size: 14px;
        font-weight: 700;
        letter-spacing: 1px;
        color: var(--grass);
        margin-bottom: 10px;
        text-transform: uppercase;
    }

    .section-title {
        font-size: clamp(28px, 3vw, 36px);
        margin: 0 0 14px;
        color: #0B241E;
        font-weight: 700;
        line-height: 1.35;
    }

    .section-lead {
        font-size: 16px;
        color: var(--ink-soft);
    }

    .feature-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .feature-card {
        background: #FFFFFF;
        border: 1px solid var(--line);
        border-top: 4px solid var(--grass);
        border-radius: 14px;
        padding: 32px 26px 26px;
        box-shadow: var(--shadow-soft);
        position: relative;
        transition: box-shadow 200ms ease, transform 200ms ease;
    }

    .feature-card:hover {
        box-shadow: var(--shadow-rise);
        transform: translateY(-2px);
    }

    .feature-num {
        position: absolute;
        top: 18px;
        right: 20px;
        font-size: 52px;
        font-weight: 800;
        line-height: 1;
        color: rgba(11, 43, 35, 0.08);
        letter-spacing: -2px;
    }

    .feature-icon {
        width: 52px;
        height: 52px;
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: #EDF8F1;
        color: var(--grass);
        margin-bottom: 20px;
    }

    .feature-card h3 {
        margin: 0 0 12px;
        font-size: 20px;
        font-weight: 700;
        color: var(--grass-dark);
    }

    .feature-card p {
        margin: 0 0 26px;
        color: #43584C;
        font-size: 15px;
        line-height: 1.75;
    }

    .more-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 15px;
        color: var(--grass);
        font-weight: 600;
        transition: gap 180ms ease;
    }

    .more-link:hover {
        gap: 10px;
        color: #0B7A50;
    }

    .gallery-wrap {
        background: #F0F3EA;
        border-top: 1px solid #E2E8DD;
        border-bottom: 1px solid #E2E8DD;
    }

    .gallery-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        grid-auto-rows: 150px;
        gap: 14px;
    }

    .g-item {
        position: relative;
        border-radius: 14px;
        overflow: hidden;
        display: block;
        min-height: 140px;
    }

    .g-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 400ms ease;
    }

    .g-item:hover img {
        transform: scale(1.06);
    }

    .g-item:nth-child(1) {
        grid-column: span 2;
        grid-row: span 2;
    }

    .g-item:nth-child(4) {
        grid-column: span 2;
        grid-row: span 2;
    }

    .g-overlay {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        top: 0;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        padding: 20px 16px 14px;
        background: linear-gradient(180deg, rgba(11, 43, 35, 0) 30%, rgba(11, 43, 35, 0.78) 100%);
        color: #FFFFFF;
    }

    .g-overlay span {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.7);
    }

    .g-overlay strong {
        font-size: 18px;
        font-weight: 700;
        margin-top: 2px;
    }

    .join-cta {
        position: relative;
        background-color: var(--grass-dark);
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        color: #FFFFFF;
    }

    .join-cta::before {
        content: '';
        position: absolute;
        inset: 0;
        background: rgba(11, 43, 35, 0.82);
    }

    .join-inner {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 48px;
        z-index: 2;
        padding: 72px 0;
    }

    .join-copy {
        max-width: 560px;
    }

    .join-copy h2 {
        font-size: clamp(28px, 3.2vw, 40px);
        margin: 0 0 18px;
        color: #FFFFFF;
        font-weight: 800;
        line-height: 1.3;
    }

    .join-copy p {
        color: rgba(255, 255, 255, 0.75);
        font-size: 15px;
        margin-bottom: 14px;
    }

    .join-rules {
        display: flex;
        flex-wrap: wrap;
        gap: 10px 20px;
        padding: 0;
        margin: 18px 0 0;
        list-style: none;
    }

    .join-rules li {
        display: flex;
        align-items: start;
        gap: 6px;
        color: rgba(255, 255, 255, 0.65);
        font-size: 13px;
    }

    .join-rules li:before {
        content: '✓';
        color: #7EE2B0;
        font-weight: 800;
    }

    .join-actions {
        display: flex;
        flex-direction: column;
        gap: 12px;
        min-width: 220px;
        align-items: stretch;
    }

    .join-actions .btn {
        width: 100%;
        justify-content: center;
        height: 52px;
    }

    .faq-wrap {
        max-width: 920px;
        margin: 0 auto;
    }

    .faq-item {
        background: #FFFFFF;
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 0 24px;
        margin-bottom: 12px;
        box-shadow: var(--shadow-soft);
        overflow: hidden;
        transition: border-color 200ms ease;
    }

    .faq-item[open] {
        border-color: #A8D8C2;
    }

    .faq-item summary {
        cursor: pointer;
        list-style: none;
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 22px 0;
        user-select: none;
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-icon {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        border-radius: 8px;
        background: #E2F5EA;
        color: var(--grass);
        font-size: 20px;
        font-weight: 400;
        flex: 0 0 auto;
        transition: transform 200ms ease;
    }

    .faq-summary-text {
        font-size: 17px;
        font-weight: 600;
        color: #173A2C;
        line-height: 1.5;
        flex: 1;
    }

    .faq-a {
        color: #43584C;
        font-size: 15px;
        line-height: 1.85;
        padding: 0 0 26px 42px;
    }

    .faq-item[open] .faq-icon {
        transform: rotate(135deg);
    }

    .news-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .post-card {
        background: #FFFFFF;
        border: 1px solid var(--line);
        border-radius: 14px;
        overflow: hidden;
        transition: box-shadow 200ms ease, transform 200ms ease;
        display: flex;
        flex-direction: column;
    }

    .post-card:hover {
        box-shadow: var(--shadow-rise);
        transform: translateY(-2px);
    }

    .post-thumb {
        height: 170px;
        display: block;
        overflow: hidden;
        background: #E7EDE7;
    }

    .post-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 350ms ease;
    }

    .post-card:hover .post-thumb img {
        transform: scale(1.04);
    }

    .post-card-body {
        padding: 24px 20px 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .post-meta {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: #6B7D73;
        margin-bottom: 10px;
    }

    .post-card h3 {
        margin: 0 0 10px;
        font-size: 18px;
        font-weight: 700;
        line-height: 1.5;
        color: #0B2B23;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .post-card p {
        color: #5A6B64;
        font-size: 14px;
        line-height: 1.7;
        margin: 0 0 14px;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .post-read {
        margin-top: auto;
        font-size: 14px;
        color: var(--grass);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    .empty-zone {
        grid-column: 1 / -1;
        padding: 72px 24px;
        text-align: center;
        background: #FFFFFF;
        border: 1px dashed #CCD7CE;
        border-radius: 14px;
        color: #5A6B64;
    }

    .empty-zone svg {
        opacity: 0.7;
        margin: 0 auto 12px;
        color: #8AA79A;
    }

    .micro-cta {
        background: #FFF6EC;
        border-top: 1px solid #F1DCC8;
        border-bottom: 1px solid #F1DCC8;
        padding: 34px 0;
    }

    .micro-cta-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }

    .micro-cta-inner h2 {
        margin: 0 0 4px;
        font-size: 24px;
        font-weight: 700;
        color: #182F27;
    }

    .micro-cta-inner p {
        margin: 0;
        color: #71523A;
        font-size: 15px;
    }

    .site-footer {
        background: #0B2B23;
        color: rgba(255, 255, 255, 0.72);
        padding-top: 64px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 0.8fr 0.8fr 1.2fr;
        gap: 40px;
        padding-bottom: 48px;
    }

    .footer-brand {
        font-size: 22px;
        font-weight: 800;
        color: #FFFFFF;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
    }

    .footer-brand-desc {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.55);
        margin: 0 0 24px;
        max-width: 320px;
        line-height: 1.8;
    }

    .footer-title {
        color: #FFFFFF;
        font-size: 16px;
        font-weight: 600;
        margin: 0 0 18px;
    }

    .footer-links {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.6);
        font-size: 15px;
        transition: color 150ms ease;
    }

    .footer-links a:hover {
        color: #FFFFFF;
    }

    .footer-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .footer-tags span {
        display: inline-block;
        padding: 4px 10px;
        background: rgba(255, 255, 255, 0.06);
        color: rgba(255, 255, 255, 0.48);
        font-size: 13px;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-contact p {
        margin: 0 0 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.5);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 22px 0;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.35);
        display: flex;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .scrolltop {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.18);
        color: rgba(255, 255, 255, 0.6);
        border-radius: 8px;
        padding: 8px 12px;
        transition: 150ms ease;
    }

    .scrolltop:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #FFFFFF;
    }

    .toast-dot {
        display: inline-block;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #7EE2B0;
        margin-right: 6px;
        vertical-align: middle;
    }

    @media (max-width: 1024px) {
        .hero-inner {
            grid-template-columns: 1fr;
            padding: 48px 0 72px;
            gap: 40px;
        }

        .hero-stamp {
            left: 12px;
            bottom: 16px;
        }

        .section {
            padding: 64px 0;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 48px 0;
        }

        .count-inner {
            flex-wrap: wrap;
            row-gap: 8px;
        }

        .count-copy {
            font-size: 14px;
        }

        .count-number {
            font-size: 24px;
        }

        .header-shell {
            height: 64px;
        }

        .nav-pc,
        .nav-right {
            display: none;
        }

        .nav-toggle {
            display: inline-flex;
            flex-direction: column;
        }

        .mobile-menu {
            display: block;
            background: #FFFEFA;
            border-top: 1px solid var(--line);
            padding: 16px 20px 24px;
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: max-height 240ms ease, opacity 180ms ease;
        }

        .mobile-menu.open {
            max-height: 500px;
            opacity: 1;
        }

        .mobile-cta-row {
            display: flex;
            gap: 10px;
            margin: 4px 0 14px;
        }

        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-links .site-link {
            justify-content: flex-start;
            height: 48px;
            padding: 0 12px;
        }

        .hero h1 {
            font-size: 32px;
        }

        .hero-sub {
            font-size: 16px;
        }

        .feature-grid,
        .news-grid {
            grid-template-columns: 1fr;
        }

        .join-inner {
            flex-direction: column;
            padding: 48px 0;
            gap: 28px;
        }

        .join-actions {
            width: 100%;
            min-width: 0;
        }

        .gallery-grid {
            grid-template-columns: repeat(2, 1fr);
            grid-auto-rows: 132px;
        }

        .g-item:nth-child(1),
        .g-item:nth-child(4) {
            grid-column: span 2;
            grid-row: span 1;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px 24px;
        }

        .faq-a {
            padding-left: 0;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }

        .count-inner {
            justify-content: center;
            text-align: center;
        }

        .count-copy {
            width: 100%;
            justify-content: center;
        }

        .btn {
            width: 100%;
        }

        .micro-cta-inner .btn {
            width: auto;
        }

        .footer-grid {
            grid-template-columns: 1fr;
        }
    }

/* roulang page: article */
:root {
            --brand: #0EA56E;
            --brand-dark: #098754;
            --deep: #0B2B23;
            --deep-soft: #144238;
            --accent: #F27D2D;
            --accent-light: #FF9A55;
            --page-bg: #F6F4EB;
            --card-bg: #FFFFFF;
            --line: #DCE5DE;
            --input-line: #C6D2C8;
            --text-main: #23352E;
            --text-soft: #455C53;
            --text-muted: #5A6B64;
            --success: #2F9E77;
            --danger: #D9534F;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 10px;
            --shadow-soft: 0 2px 10px rgba(16, 42, 35, 0.06);
            --shadow-hover: 0 12px 28px rgba(16, 42, 35, 0.12);
            --font-scale: 16px;
            --header-h: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            scroll-padding-top: 96px;
        }

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--page-bg);
            color: var(--text-main);
            font-size: var(--font-scale);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
            padding-top: var(--header-h);
        }

        body.nav-open {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

        button {
            font-family: inherit;
            border: 0;
            background: none;
            cursor: pointer;
            font-size: inherit;
        }

        input,
        textarea,
        select {
            font-family: inherit;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(242, 125, 45, 0.6);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            width: min(1200px, 100% - 48px);
            margin-inline: auto;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 999;
            background: rgba(255, 254, 250, 0.96);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(12px);
            height: var(--header-h);
        }

        .header-inner {
            height: var(--header-h);
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
        }

        .read-progress {
            position: absolute;
            left: 0;
            bottom: -1px;
            height: 3px;
            width: 0%;
            background: linear-gradient(90deg, var(--brand), var(--accent));
            border-radius: 0 4px 4px 0;
            z-index: 2;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-mark {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            width: 38px;
            height: 34px;
        }

        .brand-mark i {
            height: 4px;
            border-radius: 4px;
            background: var(--brand);
            display: block;
        }

        .brand-mark i:nth-child(1) {
            width: 100%;
        }

        .brand-mark i:nth-child(2) {
            width: 66%;
        }

        .brand-mark i:nth-child(3) {
            width: 82%;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--deep);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .nav-pc {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .site-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-soft);
            border-radius: 8px;
            position: relative;
        }

        .site-link:hover {
            color: var(--brand);
            background: rgba(14, 165, 110, 0.05);
        }

        .site-link.active {
            color: var(--brand);
        }

        .site-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 3px;
            height: 3px;
            background: var(--brand);
            border-radius: 4px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            padding: 0 22px;
            height: 46px;
            transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #FFFFFF;
            box-shadow: 0 6px 16px rgba(242, 125, 45, 0.18);
        }

        .btn-primary:hover {
            background: #ff8c40;
            box-shadow: 0 10px 20px rgba(242, 125, 45, 0.24);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 5px 12px rgba(242, 125, 45, 0.16);
        }

        .btn-primary:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .btn-ghost {
            background: transparent;
            color: var(--deep);
            border: 1.5px solid var(--deep);
        }

        .btn-ghost:hover {
            background: rgba(11, 43, 35, 0.06);
            border-color: var(--deep);
        }

        .btn-outline {
            background: transparent;
            color: var(--brand);
            border: 1.5px solid var(--brand);
        }

        .btn-outline:hover {
            background: rgba(14, 165, 110, 0.08);
        }

        .btn-lg {
            height: 54px;
            padding: 0 30px;
            font-size: 16px;
            border-radius: 12px;
        }

        .btn-header {
            height: 44px;
            padding: 0 18px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            background: #fff;
            color: var(--deep);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: currentColor;
            margin: 3px 0;
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }

        .mobile-menu {
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            z-index: 998;
            background: #FFFEFA;
            border-bottom: 1px solid var(--line);
            padding: 20px 24px 28px;
            transform: translateY(-20px);
            opacity: 0;
            pointer-events: none;
            transition: transform 0.28s ease, opacity 0.28s ease;
            box-shadow: 0 20px 36px rgba(7, 28, 22, 0.12);
            border-radius: 0 0 16px 16px;
        }

        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu .mobile-nav-label {
            font-size: 13px;
            color: var(--text-muted);
            margin: 6px 0 10px;
            font-weight: 600;
        }

        .mobile-menu .mobile-nav-links {
            display: flex;
            flex-direction: column;
        }

        .mobile-menu .mobile-links-inner a {
            display: block;
            padding: 13px 0;
            border-bottom: 1px solid rgba(220, 229, 222, 0.8);
            font-weight: 600;
            color: var(--text-main);
        }

        .mobile-menu .mobile-links-inner a:hover {
            color: var(--brand);
        }

        .mobile-btn-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 18px;
        }

        .mobile-btn-row .btn {
            width: 100%;
            height: 48px;
        }

        .mobile-close {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            color: var(--text-muted);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 0;
        }

        .mobile-close:hover {
            color: var(--deep);
        }

        @media (max-width: 1024px) {
            .nav-pc {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                margin-left: auto;
            }
            .brand-text {
                font-size: 20px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --header-h: 64px;
            }
            .container {
                width: min(100% - 32px, 1200px);
            }
            .brand-text {
                font-size: 18px;
            }
            .brand {
                gap: 8px;
            }
            .mobile-menu {
                top: var(--header-h);
                padding: 18px 18px 22px;
            }
        }

        .article-page-wrap {
            padding: 36px 0 18px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 9px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--text-muted);
        }

        .breadcrumb a:hover {
            color: var(--brand);
        }

        .breadcrumb .sep {
            width: 14px;
            height: 1px;
            background: var(--input-line);
            display: inline-block;
        }

        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 320px;
        }

        .article-heading {
            border-bottom: 1px solid var(--line);
            padding-bottom: 26px;
            margin-bottom: 30px;
        }

        .article-title {
            margin: 0 0 18px;
            font-size: clamp(32px, 4.8vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--deep);
            letter-spacing: -0.01em;
            max-width: 980px;
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 22px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .meta-item a {
            color: var(--brand);
            font-weight: 600;
        }

        .meta-item a:hover {
            text-decoration: underline;
        }

        .meta-tag {
            display: inline-block;
            background: rgba(14, 165, 110, 0.08);
            color: var(--brand);
            border: 1px solid rgba(14, 165, 110, 0.2);
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }

        .article-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 42px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-cover {
            border-radius: 14px;
            overflow: hidden;
            margin: 0 0 28px;
            border: 1px solid var(--line);
            background: #fff;
            box-shadow: var(--shadow-soft);
        }

        .article-cover img {
            width: 100%;
            aspect-ratio: 16 / 7;
            object-fit: cover;
        }

        .article-content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-main);
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: clamp(24px, 4vw, 44px);
            box-shadow: var(--shadow-soft);
            margin-bottom: 28px;
        }

        .article-content p {
            margin: 0 0 22px;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--deep);
            margin: 42px 0 16px;
            padding-left: 15px;
            border-left: 4px solid var(--brand);
        }

        .article-content h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--deep);
            margin: 32px 0 12px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 22px;
            padding-left: 1.35em;
        }

        .article-content li {
            margin-bottom: 9px;
        }

        .article-content ul li::marker {
            color: var(--brand);
        }

        .article-content ol li::marker {
            color: var(--brand);
            font-weight: 700;
        }

        .article-content a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 3px;
            word-break: break-word;
        }

        .article-content blockquote {
            margin: 28px 0;
            padding: 16px 22px;
            border-left: 4px solid var(--accent);
            background: rgba(246, 244, 235, 0.8);
            border-radius: 0 10px 10px 0;
            color: var(--text-soft);
        }

        .article-content img {
            border-radius: 12px;
            margin: 24px auto;
            max-width: 100%;
            height: auto;
        }

        .article-content figcaption,
        .article-content .figcaption {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            margin: -10px 0 22px;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 26px 0;
            font-size: 14px;
            border-radius: 10px;
            overflow: hidden;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--line);
            padding: 11px 14px;
            text-align: left;
        }

        .article-content th {
            background: rgba(11, 43, 35, 0.05);
            color: var(--deep);
            font-weight: 700;
        }

        .article-content tbody tr:nth-child(even) {
            background: rgba(220, 229, 222, 0.22);
        }

        .article-content hr {
            border: 0;
            border-top: 1px solid var(--line);
            margin: 38px 0;
        }

        .article-content iframe {
            border-radius: 12px;
            max-width: 100%;
        }

        .article-toolbar {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .article-entry-tools {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-link {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(14, 165, 110, 0.06);
            border: 1px solid rgba(14, 165, 110, 0.22);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
        }

        .tag-link:hover {
            background: rgba(14, 165, 110, 0.1);
        }

        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--line);
            background: #fff;
            border-radius: 10px;
            padding: 10px 18px;
            font-weight: 600;
            color: var(--text-main);
            box-shadow: var(--shadow-soft);
            transition: all 0.2s ease;
        }

        .back-btn:hover {
            color: var(--brand);
            border-color: var(--brand);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .article-side {
            position: sticky;
            top: 104px;
            min-width: 0;
        }

        .side-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-soft);
            margin-bottom: 18px;
            overflow: hidden;
        }

        .side-card-top {
            padding: 0;
        }

        .side-tool {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px 20px;
            border-bottom: 1px solid var(--line);
        }

        .side-title {
            margin: 0;
            font-size: 16px;
            font-weight: 700;
            color: var(--deep);
        }

        .side-cat-list {
            padding: 8px;
        }

        .side-cat-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 12px;
            border-radius: 8px;
            color: var(--text-main);
            font-weight: 600;
            font-size: 14px;
        }

        .side-cat-list a:hover {
            background: rgba(14, 165, 110, 0.05);
            color: var(--brand);
        }

        .side-cat-list .arrow {
            color: var(--text-muted);
            font-size: 18px;
            line-height: 1;
        }

        .side-help {
            padding: 18px 20px;
        }

        .side-help p {
            margin-bottom: 14px;
            font-size: 14px;
            color: var(--text-soft);
        }

        .side-help .btn {
            width: 100%;
            height: 42px;
            font-size: 14px;
            margin-bottom: 8px;
        }

        .side-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 10px;
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: minmax(0, 1fr);
                gap: 30px;
            }
            .article-side {
                position: static;
                margin-top: 6px;
            }
            .article-title {
                font-size: 36px;
            }
        }

        @media (max-width: 640px) {
            .article-page-wrap {
                padding: 24px 0 10px;
            }
            .article-title {
                font-size: 28px;
                line-height: 1.25;
            }
            .article-meta-row {
                gap: 10px 16px;
                font-size: 13px;
            }
            .article-cover img {
                aspect-ratio: 16 / 9;
            }
            .article-content {
                font-size: 16px;
                padding: 20px 18px;
            }
            .article-content p {
                margin-bottom: 18px;
            }
            .breadcrumb .current {
                max-width: 200px;
            }
        }

        .not-found-wrap {
            padding: 70px 0 90px;
            display: flex;
            justify-content: center;
        }

        .notfound-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            max-width: 420px;
            width: 100%;
            box-shadow: var(--shadow-soft);
        }

        .notfound-card .large {
            font-size: 56px;
            width: 64px;
            height: 64px;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(14, 165, 110, 0.1);
            color: var(--brand);
            border-radius: 16px;
        }

        .notfound-card h2 {
            font-size: 22px;
            color: var(--deep);
            margin: 0 0 8px;
        }

        .notfound-card p {
            color: var(--text-muted);
            margin: 0 0 20px;
            font-size: 15px;
        }

        .related-section {
            margin-top: 8px;
            padding-top: 38px;
            border-top: 1px solid var(--line);
            margin-bottom: 46px;
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 24px;
        }

        .section-heading h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--deep);
            margin: 0;
            line-height: 1.2;
        }

        .section-heading .section-note {
            font-size: 13px;
            color: var(--text-muted);
            max-width: 300px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
        }

        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            display: flex;
            flex-direction: column;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--brand);
        }

        .news-card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 8;
            background: var(--deep);
        }

        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .news-card-image img {
            transform: scale(1.04);
        }

        .news-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .news-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand);
            background: rgba(14, 165, 110, 0.08);
            border: 1px solid rgba(14, 165, 110, 0.2);
            border-radius: 999px;
            padding: 3px 11px;
            white-space: nowrap;
        }

        .news-card-time {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .news-card h3 {
            margin: 0;
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--deep);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card p {
            margin: 0;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .read-more {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .read-more:hover {
            color: var(--brand-dark);
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-bottom: 18px;
            }
            .section-heading h2 {
                font-size: 26px;
            }
        }

        .cta-anchor {
            position: relative;
            scroll-margin-top: 118px;
        }

        .cta-block {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            background: var(--deep);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            margin: 20px auto 44px;
            min-height: 230px;
        }

        .cta-block::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(11, 43, 35, 0.86);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            padding: 42px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
        }

        .cta-title {
            color: #ffffff;
            font-size: clamp(22px, 3vw, 34px);
            font-weight: 800;
            margin: 0 0 10px;
            line-height: 1.3;
        }

        .cta-text {
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            font-size: 15px;
            max-width: 480px;
        }

        .cta-btn {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        @media (max-width: 860px) {
            .cta-inner {
                flex-direction: column;
                justify-content: flex-start;
                align-items: flex-start;
                padding: 30px;
            }
            .cta-btn {
                width: 100%;
            }
            .cta-btn .btn {
                flex: 1;
                min-width: 130px;
            }
        }

        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, 0.75);
            margin-top: 40px;
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
            gap: 40px;
            padding-bottom: 42px;
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand-desc {
            color: rgba(255, 255, 255, 0.62);
            font-size: 14px;
            line-height: 1.85;
            margin: 0;
            max-width: 300px;
        }

        .footer-title {
            color: #FFFFFF;
            font-size: 15px;
            margin: 0 0 17px;
            font-weight: 700;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-tags span {
            font-size: 12px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 5px 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact p {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
            margin: 0 0 10px;
            line-height: 1.8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: rgba(255, 255, 255, 0.42);
            font-size: 13px;
        }

        .scrolltop {
            display: inline-block;
            color: rgba(255, 255, 255, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 13px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .scrolltop:hover {
            background: #ffffff;
            color: var(--deep);
            border-color: #ffffff;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: flex-start;
                align-items: flex-start;
            }
            .site-footer {
                padding-top: 44px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0EA56E;
            --primary-dark: #098D5D;
            --deep: #0B2B23;
            --accent: #F27D2D;
            --paper: #F6F4EB;
            --card: #FFFEFA;
            --ink: #163229;
            --muted: #5A6B64;
            --border: #DCE5DE;
            --input-border: #C6D2C8;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 2px 10px rgba(16, 42, 35, 0.06);
            --shadow-hover: 0 12px 28px rgba(16, 42, 35, 0.12);
            --section-space: 88px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--paper);
            color: var(--ink);
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "sans-serif";
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        p,
        ul,
        ol,
        dl,
        figure {
            margin: 0;
        }

        ul,
        ol {
            padding: 0;
            list-style: none;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        button {
            cursor: pointer;
        }

        img {
            max-width: 100%;
            display: block;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 64px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        #demo-form {
            margin: 0;
        }

        .btn-primary,
        .btn-outline,
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            transition: all 0.2s ease;
            border: 2px solid transparent;
            outline: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: #FF8A3D;
            border-color: #FF8A3D;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(242, 125, 45, 0.25);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .btn-outline-light:focus-visible,
        .page-btn:focus-visible,
        .site-link:focus-visible {
            outline: 3px solid rgba(242, 125, 45, 0.75);
            outline-offset: 3px;
        }

        .btn-outline {
            background: rgba(14, 165, 110, 0.04);
            color: var(--deep);
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(14, 165, 110, 0.1);
            color: var(--primary-dark);
        }

        .btn-outline-light {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.65);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        .btn-disabled,
        button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            height: 80px;
            background: rgba(255, 254, 250, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(12px);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 80px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background: var(--deep);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            transform: skewX(-6deg);
        }

        .brand-mark i {
            display: block;
            width: 4px;
            border-radius: 3px;
            background: #fff;
        }

        .brand-mark i:nth-child(1) {
            height: 16px;
        }

        .brand-mark i:nth-child(2) {
            height: 26px;
        }

        .brand-mark i:nth-child(3) {
            height: 20px;
        }

        .brand-name {
            font-size: 23px;
            font-weight: 800;
            color: var(--deep);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-pc {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .site-link {
            position: relative;
            padding: 8px 16px;
            border-radius: 8px;
            color: #2f4038;
            font-weight: 500;
            font-size: 15px;
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .site-link:hover {
            color: var(--primary);
            background: rgba(14, 165, 110, 0.06);
        }

        .site-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .site-link.active::after {
            content: "";
            display: block;
            height: 3px;
            width: 24px;
            margin: 5px auto 0;
            border-radius: 2px;
            background: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-actions .btn-primary,
        .header-actions .btn-outline {
            min-height: 42px;
            padding: 0 18px;
            font-size: 14px;
        }

        .nav-burger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--card);
            color: var(--deep);
            gap: 5px;
            flex-direction: column;
        }

        .nav-burger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--deep);
            border-radius: 2px;
            transition: transform 0.2s ease;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(86vw, 360px);
            background: #fffefa;
            box-shadow: -12px 0 30px rgba(11, 43, 35, 0.18);
            z-index: 100;
            padding: 24px;
            transform: translateX(102%);
            transition: transform 0.3s ease;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .drawer-brand {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .drawer-top {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 24px;
        }

        .drawer-top .btn-primary,
        .drawer-top .btn-outline {
            width: 100%;
            min-height: 52px;
        }

        .nav-mobile {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .nav-mobile .site-link {
            display: block;
            padding: 14px 12px;
            font-size: 17px;
            border-radius: 10px;
        }

        .drawer-close {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--deep);
            font-size: 18px;
            line-height: 1;
        }

        .category-hero {
            position: relative;
            padding: 84px 0;
            background-color: var(--deep);
            background-image: linear-gradient(110deg, rgba(11, 43, 35, 0.95) 30%, rgba(11, 43, 35, 0.78) 45%, rgba(11, 43, 35, 0.92) 100%),
                url("/assets/images/backpic/back-1.webp");
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .category-hero .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.62);
        }

        .category-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
        }

        .category-hero .breadcrumb a:hover {
            color: #6FE1AE;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(14, 165, 110, 0.22);
            color: #96E6C0;
            font-size: 14px;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .category-hero h1 {
            font-size: clamp(36px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.12;
            margin-bottom: 16px;
        }

        .category-hero .category-lead {
            max-width: 720px;
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.86);
            margin-bottom: 28px;
        }

        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.16);
            padding-top: 20px;
            color: rgba(255, 255, 255, 0.62);
            font-size: 14px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .channel-brief {
            padding: 72px 0;
        }

        .channel-brief-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 52px;
            align-items: center;
        }

        .brief-label {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .channel-brief h2 {
            font-size: clamp(24px, 3vw, 32px);
            line-height: 1.3;
            color: var(--deep);
            margin-bottom: 18px;
            font-weight: 700;
        }

        .channel-brief p {
            font-size: 15.5px;
            line-height: 1.9;
            color: var(--muted);
            margin-bottom: 20px;
        }

        .channel-brief-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
        }

        .channel-brief-link:hover {
            color: var(--accent);
        }

        .channel-facts {
            border-left: 4px solid var(--primary);
            padding-left: 24px;
            background: rgba(14, 165, 110, 0.04);
            border-radius: 0 14px 14px 0;
            padding: 28px 24px;
        }

        .channel-facts h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 10px;
        }

        .channel-facts p {
            margin-bottom: 12px;
        }

        .channel-facts ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            color: var(--muted);
            font-size: 14.5px;
        }

        .channel-facts ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
        }

        .news-section {
            background: var(--paper);
        }

        .section-heading {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .section-heading h2 {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            color: var(--deep);
            line-height: 1.25;
        }

        .section-heading p {
            font-size: 14px;
            color: var(--muted);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
        }

        .news-card {
            display: flex;
            flex-direction: column;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
        }

        .news-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .news-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 3 / 2;
            background: #e4ebe5;
        }

        .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.55s ease;
        }

        .news-card:hover .news-cover img {
            transform: scale(1.045);
        }

        .news-body {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 22px;
            flex: 1;
        }

        .news-tag-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
        }

        .news-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12.5px;
            font-weight: 600;
            background: rgba(14, 165, 110, 0.1);
            color: var(--primary-dark);
            border: 1px solid rgba(14, 165, 110, 0.2);
        }

        .news-tag-orange {
            background: rgba(242, 125, 45, 0.12);
            color: #C76013;
            border-color: rgba(242, 125, 45, 0.24);
        }

        .news-date {
            font-size: 13px;
            color: #84968d;
        }

        .news-title {
            font-size: 19px;
            line-height: 1.5;
            font-weight: 700;
            color: var(--deep);
        }

        .news-excerpt {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--muted);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px dashed var(--border);
        }

        .news-source {
            font-size: 13px;
            color: #84968d;
        }

        .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        .news-card:hover .news-more {
            color: var(--accent);
        }

        .pagination-section {
            padding: 40px 0 72px;
        }

        .pagination-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            align-items: center;
        }

        .pagination-meta {
            width: 100%;
            text-align: center;
            color: var(--muted);
            font-size: 13px;
            margin-bottom: 4px;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--card);
            color: var(--deep);
            font-size: 14px;
            font-weight: 600;
            transition: all 0.2s ease;
        }

        .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .page-btn.active {
            background: var(--deep);
            border-color: var(--deep);
            color: #fff;
            cursor: default;
        }

        .page-btn.disabled {
            opacity: 0.48;
            cursor: not-allowed;
            pointer-events: none;
        }

        .page-dots {
            color: var(--muted);
            padding: 0 4px;
        }

        .remind-band {
            position: relative;
            padding: 88px 0;
            background-color: var(--deep);
            background-image: linear-gradient(rgba(11, 43, 35, 0.9), rgba(11, 43, 35, 0.82)), url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .remind-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 58px;
            align-items: center;
        }

        .remind-copy .brief-label {
            color: #6FE1AE;
        }

        .remind-copy h2 {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 18px;
        }

        .remind-copy p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 15.5px;
            line-height: 1.9;
        }

        .remind-points {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            margin-top: 22px;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
        }

        .remind-points span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .remind-points span::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
        }

        .remind-form {
            background: #fffefa;
            border-radius: 16px;
            padding: 32px;
            color: var(--deep);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
        }

        .remind-form h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .remind-form .form-hint {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 18px;
        }

        .form-field {
            margin-bottom: 16px;
        }

        .form-field label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .form-field input,
        .form-field select {
            width: 100%;
            height: 48px;
            padding: 0 14px;
            border: 1.5px solid var(--input-border);
            border-radius: 10px;
            background: #fff;
            color: var(--deep);
            font-size: 15px;
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-field input:focus,
        .form-field select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(14, 165, 110, 0.12);
        }

        .remind-form .btn-primary {
            width: 100%;
            min-height: 52px;
            margin-top: 8px;
        }

        .form-note {
            text-align: center;
            font-size: 13px;
            color: var(--primary-dark);
            margin-top: 10px;
            letter-spacing: 0.02em;
        }

        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, 0.78);
            padding: 72px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr 0.85fr 1fr 1.1fr;
            gap: 44px;
            padding-bottom: 48px;
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            max-width: 260px;
            color: rgba(255, 255, 255, 0.52);
            line-height: 1.8;
            font-size: 14px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a,
        .footer-contact a {
            color: rgba(255, 255, 255, 0.68);
            transition: color 0.2s ease;
        }

        .footer-links a:hover,
        .footer-contact a:hover {
            color: #6FE1AE;
        }

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-tags span {
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.66);
            font-size: 13px;
        }

        .footer-contact p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 14px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.42);
        }

        .footer-bottom .scrolltop {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: rgba(255, 255, 255, 0.78);
            border-radius: 8px;
            padding: 8px 16px;
            transition: all 0.2s ease;
            font-size: 13px;
        }

        .footer-bottom .scrolltop:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .remind-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .channel-brief-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header,
            .header-inner {
                height: 64px;
            }

            .header-inner {
                position: relative;
                z-index: 2;
            }

            .nav-pc,
            .header-actions {
                display: none;
            }

            .nav-burger {
                display: inline-flex;
            }

            .category-hero {
                padding: 60px 0;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .category-hero .category-lead {
                font-size: 15.5px;
            }

            .channel-brief,
            .section {
                padding-top: 64px;
                padding-bottom: 64px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .hero-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .section-heading {
                align-items: flex-start;
                flex-direction: column;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .pagination-wrap {
                gap: 8px;
            }

            .page-btn {
                min-width: 40px;
                height: 40px;
                padding: 0 10px;
            }
        }

        @media (max-width: 520px) {
            .remind-form {
                padding: 22px;
            }

            .brand-name {
                font-size: 19px;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
            }

            .page-btn:nth-child(4),
            .page-btn:nth-child(5) {
                display: none;
            }

            .category-hero .hero-actions .btn-primary,
            .category-hero .hero-actions .btn-outline-light {
                width: 100%;
            }

            .category-hero .hero-actions {
                width: 100%;
            }

            .news-title {
                font-size: 17px;
            }
        }

/* roulang page: category2 */
:root {
            --mp: #0EA56E; --md: #0B2B23; --or: #F27D2D; --bg: #F6F4EB; --cd: #FFFFFF; --tx: #22312B; --mut: #5A6B64; --ln: #DCE5DE; --rd: 14px; --sh: 0 2px 10px rgba(16,42,35,0.06); --sh-hover: 0 12px 28px rgba(16,42,35,0.12);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; scroll-padding-top: 90px; }
        body { background: var(--bg); color: var(--tx); font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif; line-height: 1.75; font-size: 16px; }
        img { display: block; max-width: 100%; }
        a { color: inherit; text-decoration: none; }
        button { font-family: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
        .sans-en { font-family: "Inter", "Helvetica Neue", sans-serif; }
        section { scroll-margin-top: 90px; }
        
        .site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,254,250,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--ln); height: 80px; }
        .header-inner { height: 80px; display: flex; align-items: center; justify-content: space-between; }
        .brandmark { display: flex; align-items: center; gap: 10px; }
        .brandmark .logoMark { width: 38px; height: 38px; background: var(--md); border-radius: 10px; display: flex; align-items: center; justify-content: center; gap: 3px; flex-shrink: 0; }
        .brandmark .logoMark i { display: block; width: 4px; border-radius: 2px; background: var(--or); }
        .brandmark .logoMark i:nth-child(1) { height: 12px; }
        .brandmark .logoMark i:nth-child(2) { height: 20px; }
        .brandmark .logoMark i:nth-child(3) { height: 16px; }
        .brand-text { font-size: 22px; font-weight: 800; color: var(--md); letter-spacing: .5px; white-space: nowrap; }
        .nav-pc { display: flex; align-items: center; gap: 32px; margin-left: 20px; }
        .site-link { font-size: 16px; font-weight: 500; color: var(--tx); position: relative; padding: 26px 0; transition: color .2s; }
        .site-link:hover { color: var(--mp); }
        .site-link.active { color: var(--mp); font-weight: 600; }
        .site-link.active::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: var(--mp); border-radius: 3px 3px 0 0; }
        .nav-right { display: flex; align-items: center; gap: 10px; }
        .btn-ghost { padding: 10px 18px; border: 2px solid var(--md); border-radius: 10px; font-size: 15px; font-weight: 600; color: var(--md); background: transparent; transition: all .2s; cursor: pointer; }
        .btn-ghost:hover { background: rgba(11,43,35,.06); transform: translateY(-1px); }
        .btn-primary { padding: 11px 24px; border-radius: 10px; background: var(--or); color: #fff; font-size: 15px; font-weight: 700; border: none; cursor: pointer; transition: all .2s; box-shadow: 0 2px 8px rgba(242,125,45,.24); }
        .btn-primary:hover { background: #f8863e; box-shadow: 0 8px 20px rgba(242,125,45,.3); transform: translateY(-1px); color: #fff; }
        .nav-menu-btn { width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--ln); display: flex; align-items: center; justify-content: center; font-size: 22px; background: var(--cd); color: var(--md); }
        
        .drawer-mask { position: fixed; inset: 0; background: rgba(11,43,35,.4); z-index: 90; opacity: 0; pointer-events: none; transition: opacity .3s; }
        .drawer-mask.open { opacity: 1; pointer-events: auto; }
        .drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 320px; max-width: 86vw; background: #FFFEFA; z-index: 100; box-shadow: -12px 0 32px rgba(16,42,35,.15); transform: translateX(105%); transition: transform .3s cubic-bezier(.22,1,.36,1); padding: 28px 24px; display: flex; flex-direction: column; }
        .drawer.open { transform: translateX(0); }
        .drawer-title { font-size: 20px; font-weight: 800; color: var(--md); margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--ln); background: transparent; font-size: 18px; color: var(--md); }
        .drawer-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 28px; }
        .drawer-menu { list-style: none; }
        .drawer-menu li + li { border-top: 1px solid var(--ln); }
        .drawer-menu a { display: block; padding: 16px 8px; font-size: 17px; font-weight: 500; color: var(--tx); transition: color .2s; }
        .drawer-menu a:hover { color: var(--mp); }
        .drawer-menu a.active { color: var(--mp); font-weight: 700; box-shadow: inset 3px 0 0 var(--mp); }

        .footer-top { background: var(--md); color: #fff; padding: 64px 0 30px; }
        .site-footer { background: var(--md); color: rgba(255,255,255,.8); }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 44px; }
        .footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 12px; }
        .footer-brand-desc { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.6); max-width: 300px; }
        .footer-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .footer-links { list-style: none; display: grid; gap: 10px; }
        .footer-links a { color: rgba(255,255,255,.68); font-size: 15px; transition: color .2s; }
        .footer-links a:hover { color: #fff; }
        .footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .footer-tags span { display: inline-block; padding: 6px 14px; background: rgba(255,255,255,.1); border-radius: 30px; font-size: 13px; color: rgba(255,255,255,.75); }
        .footer-contact p { font-size: 14px; color: rgba(255,255,255,.55); margin-bottom: 8px; line-height: 1.8; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,.4); }
        .scrolltop { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.7); padding: 8px 16px; border-radius: 8px; cursor: pointer; transition: all .2s; }
        .scrolltop:hover { background: rgba(255,255,255,.2); color: #fff; }

        .category-hero { background: var(--md); position: relative; padding: 54px 0 60px; overflow: hidden; }
        .category-hero .bg-ic { position: absolute; top: 0; right: 0; width: 380px; height: 100%; background-image: url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; opacity: .22; clip-path: polygon(35% 0, 100% 0, 100% 100%, 0% 100%); }
        .category-hero .bg-ic::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,43,35,.9) 0%, rgba(11,43,35,.35) 100%); }
        .crumbs { display: flex; align-items: center; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,.55); margin-bottom: 20px; }
        .crumbs a { color: rgba(255,255,255,.65); transition: color .2s; }
        .crumbs a:hover { color: #fff; }
        .crumbs .sep { margin: 0 10px; color: rgba(255,255,255,.35); }
        .crumbs .current-text { color: rgba(255,255,255,.9); }
        .category-hero h1 { color: #fff; font-size: clamp(32px, 4.4vw, 46px); font-weight: 800; line-height: 1.18; margin-bottom: 16px; position: relative; z-index: 2; }
        .category-hero p { color: rgba(255,255,255,.75); font-size: 17px; max-width: 600px; position: relative; z-index: 2; line-height: 1.9; }

        .bmain { padding: 60px 0 90px; }
        .docs-layout { display: grid; grid-template-columns: 280px 1fr; gap: 56px; align-items: start; }
        .docs-aside { position: sticky; top: 110px; background: var(--cd); border: 1px solid var(--ln); border-radius: var(--rd); padding: 24px 20px; box-shadow: var(--sh); }
        .aside-title { font-size: 16px; font-weight: 700; color: var(--md); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
        .aside-title i { color: var(--mp); }
        .aside-anchors { list-style: none; display: grid; gap: 2px; }
        .aside-anchors a { display: flex; align-items: center; gap: 12px; padding: 11px 12px; font-size: 15px; color: var(--tx); border-radius: 8px; border-left: 4px solid transparent; transition: all .2s; font-weight: 500; }
        .aside-anchors a .num-count { font-size: 13px; color: var(--mut); font-weight: 400; }
        .aside-anchors a:hover { background: rgba(14,165,110,.07); color: var(--mp); }
        .aside-anchors a.current { background: rgba(14,165,110,.08); border-left-color: var(--mp); color: var(--mp); font-weight: 700; }
        .aside-card { margin-top: 26px; border-radius: var(--rd); background: linear-gradient(145deg, rgba(11,43,35,.06), rgba(14,165,110,.05)); padding: 22px 18px; border: 1px solid var(--ln); }
        .aside-card .card-title { font-weight: 700; color: var(--md); font-size: 16px; margin-bottom: 8px; }
        .aside-card .card-text { font-size: 14px; line-height: 1.8; color: var(--mut); margin-bottom: 14px; }
        .aside-card .btn-block { width: 100%; }

        .doc-section { margin-bottom: 60px; }
        .doc-section .sec-head { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 2px solid var(--ln); }
        .doc-section .sec-head .sec-index { font-size: 15px; font-weight: 800; color: #fff; background: var(--mp); width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .doc-section .sec-head h2 { font-size: 24px; font-weight: 700; color: var(--md); }
        .doc-section .sec-head .line-flex { flex: 1; height: 1px; background: var(--ln); }
        .doc-body p { color: var(--tx); line-height: 1.9; margin-bottom: 18px; font-size: 15px; }
        .doc-body .tbox { background: rgba(14,165,110,.06); border-left: 4px solid var(--mp); padding: 14px 18px; border-radius: 0 10px 10px 0; margin-bottom: 20px; font-size: 14px; color: var(--md); line-height: 1.8; }
        .doc-body .tbox.warn { background: rgba(242,125,45,.08); border-left-color: var(--or); color: #7A4320; }
        .sub-ul { list-style: none; display: grid; gap: 12px; margin-bottom: 18px; }
        .sub-ul li { position: relative; padding-left: 28px; line-height: 1.85; color: var(--tx); font-size: 15px; }
        .sub-ul li::before { content: ''; position: absolute; left: 4px; top: 11px; width: 8px; height: 8px; background: var(--mp); border-radius: 50%; }
        .style-table { width: 100%; border-collapse: collapse; background: var(--cd); border-radius: 10px; overflow: hidden; box-shadow: var(--sh); margin: 18px 0 26px; }
        .style-table th { background: var(--md); color: #fff; padding: 13px 18px; font-size: 14px; text-align: left; font-weight: 600; }
        .style-table td { padding: 13px 18px; border-bottom: 1px solid #F0F3EF; font-size: 14px; color: var(--tx); }
        .style-table tr:nth-child(even) td { background: rgba(246,244,235,.55); }
        .style-table tr:hover td { background: rgba(14,165,110,.04); }
        .note-tip { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; font-size: 13px; color: var(--mut); }
        .note-tip i { color: var(--mp); margin-top: 3px; }
        .link-regular { display: inline-flex; align-items: center; gap: 6px; color: var(--mp); font-weight: 600; transition: gap .2s; }
        .link-regular:hover { gap: 10px; color: #0B8F58; }

        .ctastrip { background: linear-gradient(120deg, rgba(11,43,35,.96), rgba(14,165,110,.85)), url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center; padding: 44px 0; border-radius: 0; position: relative; }
        .ctastrip .inner-glide { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
        .ctastrip .g-title { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 6px; }
        .ctastrip .g-desc { color: rgba(255,255,255,.7); font-size: 14px; }

        @media (max-width: 1024px) {
            .docs-layout { grid-template-columns: 1fr; gap: 40px; }
            .docs-aside { position: relative; top: auto; }
            .aside-anchors { grid-template-columns: repeat(2, 1fr); gap: 8px; }
            .aside-card { display: none; }
        }
        @media (max-width: 820px) {
            .nav-pc { display: none; }
            .nav-right .btn-primary, .nav-right .btn-ghost { display: none; }
            .nav-menu-btn { display: flex; }
            .site-header, .header-inner { height: 64px; }
            .header-inner { height: 64px; }
            .brand-text { font-size: 18px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .category-hero { padding: 38px 0 44px; }
            .category-hero h1 { font-size: 28px; }
        }
        @media (max-width: 560px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 26px; }
            .footer-bottom { justify-content: flex-start; }
            .nav-menu-btn { display: flex; }
            .brand-text { font-size: 17px; }
            .docs-layout { gap: 30px; }
            .aside-anchors { grid-template-columns: 1fr; }
            .doc-section .sec-head h2 { font-size: 20px; }
            .ctastrip .inner-glide { flex-direction: column; text-align: center; }
        }
        @media (min-width: 821px) {
            .nav-menu-btn { display: none; }
        }
        :focus-visible { outline: 3px solid rgba(242,125,45,.7); outline-offset: 2px; border-radius: 4px; }
        .btn-primary:focus-visible, .btn-ghost:focus-visible { outline: 3px solid rgba(242,125,45,.6); outline-offset: 3px; }
        a, button { -webkit-tap-highlight-color: transparent; }
