/* roulang page: index */
:root {
        --primary: #0B7157;
        --primary-deep: #064D3B;
        --signal: #E3EC45;
        --warm: #F0C75E;
        --bg-main: #F6F7F2;
        --bg-soft: #EDEFE6;
        --text-1: #16231F;
        --text-2: #51605A;
        --border: #E3E7E0;
        --shadow-sm: 0 2px 6px rgba(6, 77, 59, .06);
        --shadow-md: 0 6px 16px rgba(6, 77, 59, .08);
        --shadow-lg: 0 14px 30px rgba(6, 77, 59, .10);
        --radius: 8px;
        --radius-lg: 12px;
    }
    *,
    *:before,
    *:after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: "PingFang SC", "Source Han Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
        font-size: 16px;
        background: var(--bg-main);
        color: var(--text-1);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
    }
    button,
    input {
        font-family: inherit;
    }
    .container {
        max-width: 1240px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }
    @media(max-width:640px) {
        .container {
            padding-left: 20px;
            padding-right: 20px;
        }
    }

    /* header */
    .site-header {
        background: var(--primary-deep);
        position: sticky;
        top: 0;
        z-index: 50;
        box-shadow: 0 2px 12px rgba(0, 0, 0, .12);
    }
    .header-main {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
    }
    .brand a {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 20px;
        font-weight: 800;
        letter-spacing: .5px;
        white-space: nowrap;
    }
    .brand-icon {
        width: 34px;
        height: 34px;
        border-radius: 8px;
        background: var(--signal);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .brand-icon span {
        color: var(--primary-deep);
        font-size: 18px;
        font-weight: 900;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .search-control {
        background: rgba(255, 255, 255, .12);
        border: 1px solid rgba(255, 255, 255, .2);
        border-radius: 100px;
        padding: 6px 14px;
        display: flex;
        align-items: center;
        gap: 6px;
        transition: background .3s;
    }
    .search-control input {
        background: transparent;
        border: none;
        outline: none;
        color: #fff;
        font-size: 14px;
        width: 140px;
    }
    .search-control input::placeholder {
        color: rgba(255, 255, 255, .65);
    }
    .search-control svg {
        width: 14px;
        height: 14px;
        stroke: rgba(255, 255, 255, .8);
        flex-shrink: 0;
    }
    .header-cta {
        background: var(--signal);
        color: var(--primary-deep);
        font-weight: 700;
        font-size: 14px;
        padding: 7px 18px;
        border-radius: 100px;
        transition: transform .2s, background .2s;
        white-space: nowrap;
    }
    .header-cta:hover {
        background: #d6e03a;
        transform: translateY(-1px);
    }
    .main-nav {
        background: rgba(0, 0, 0, .16);
        border-top: 1px solid rgba(255, 255, 255, .08);
        -webkit-overflow-scrolling: touch;
    }
    .nav-inner {
        display: flex;
        align-items: center;
        gap: 4px;
        height: 44px;
        overflow-x: auto;
        scrollbar-width: none;
    }
    .nav-inner::-webkit-scrollbar {
        display: none;
    }
    .nav-inner a {
        color: rgba(255, 255, 255, .8);
        font-size: 14px;
        padding: 6px 16px;
        border-radius: 100px;
        white-space: nowrap;
        transition: background .25s, color .25s;
        font-weight: 500;
    }
    .nav-inner a:hover {
        background: rgba(255, 255, 255, .12);
        color: #fff;
    }
    .nav-inner a.active {
        background: #fff;
        color: var(--primary-deep);
        font-weight: 700;
    }
    @media(max-width:768px) {
        .header-main {
            height: 58px;
        }
        .search-control {
            display: none;
        }
        .brand a {
            font-size: 18px;
        }
        .header-cta {
            font-size: 13px;
            padding: 6px 14px;
        }
        .nav-inner {
            height: 42px;
        }
    }

    /* hero */
    .hero {
        background: linear-gradient(115deg, #053528 0%, var(--primary-deep) 46%, #0a4a3a 100%);
        min-height: 560px;
        display: flex;
        align-items: center;
        position: relative;
        overflow: hidden;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: .16;
    }
    .hero:after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(6, 77, 59, .92) 0%, rgba(6, 77, 59, .55) 100%);
    }
    .hero .container {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1.1fr .9fr;
        gap: 48px;
        align-items: center;
        padding-top: 70px;
        padding-bottom: 70px;
    }
    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(227, 236, 69, .16);
        border: 1px solid rgba(227, 236, 69, .4);
        color: var(--signal);
        border-radius: 100px;
        padding: 4px 14px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: .5px;
    }
    .hero h1 {
        color: #fff;
        font-size: 44px;
        line-height: 1.28;
        font-weight: 800;
        margin-top: 18px;
        letter-spacing: .5px;
    }
    .hero-sub {
        color: rgba(255, 255, 255, .86);
        font-size: 17px;
        line-height: 1.8;
        margin-top: 18px;
        max-width: 560px;
    }
    .hero-actions {
        display: flex;
        gap: 14px;
        margin-top: 30px;
        flex-wrap: wrap;
    }
    .btn-primary {
        background: var(--signal);
        color: var(--primary-deep);
        font-weight: 700;
        font-size: 15px;
        padding: 11px 26px;
        border-radius: 6px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: transform .2s, box-shadow .2s;
        box-shadow: 0 4px 14px rgba(227, 236, 69, .25);
    }
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(227, 236, 69, .35);
    }
    .btn-outline-light {
        border: 1.5px solid rgba(255, 255, 255, .7);
        color: #fff;
        font-weight: 600;
        font-size: 15px;
        padding: 10px 26px;
        border-radius: 6px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: background .25s, transform .2s;
    }
    .btn-outline-light:hover {
        background: rgba(255, 255, 255, .12);
        transform: translateY(-2px);
    }
    .hero-panel {
        background: rgba(255, 255, 255, .07);
        border: 1px solid rgba(255, 255, 255, .14);
        border-radius: 16px;
        padding: 28px;
        backdrop-filter: blur(4px);
    }
    .panel-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;
    }
    .panel-header span {
        color: rgba(255, 255, 255, .6);
        font-size: 13px;
        font-weight: 500;
        letter-spacing: 1px;
        text-transform: uppercase;
    }
    .live-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--signal);
        display: inline-block;
        animation: pulse-dot 1.5s infinite;
        margin-right: 6px;
    }
    @keyframes pulse-dot {
        0%,
        100% {
            opacity: 1;
            transform: scale(1);
        }
        50% {
            opacity: .5;
            transform: scale(.7);
        }
    }
    .stat-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .stat-item {
        background: rgba(255, 255, 255, .08);
        border-radius: 12px;
        padding: 16px;
    }
    .stat-digit {
        font-family: 'DIN Alternate', 'Arial', sans-serif;
        font-size: 30px;
        font-weight: 800;
        color: var(--signal);
        line-height: 1.2;
    }
    .stat-label {
        font-size: 13px;
        color: rgba(255, 255, 255, .75);
        margin-top: 4px;
    }
    .trend-line {
        margin-top: 22px;
        padding-top: 18px;
        border-top: 1px solid rgba(255, 255, 255, .1);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .trend-label {
        font-size: 13px;
        color: rgba(255, 255, 255, .65);
    }
    .trend-bar {
        display: flex;
        align-items: flex-end;
        gap: 4px;
        height: 26px;
    }
    .trend-bar i {
        display: block;
        width: 5px;
        background: var(--signal);
        border-radius: 2px 2px 0 0;
        opacity: .9;
    }
    @media(max-width:1024px) {
        .hero .container {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .hero h1 {
            font-size: 36px;
        }
    }
    @media(max-width:640px) {
        .hero {
            min-height: auto;
        }
        .hero .container {
            padding-top: 50px;
            padding-bottom: 50px;
        }
        .hero h1 {
            font-size: 30px;
        }
        .hero-sub {
            font-size: 15px;
        }
        .hero-actions {
            flex-direction: column;
            align-items: flex-start;
        }
        .btn-primary,
        .btn-outline-light {
            width: 100%;
            justify-content: center;
        }
        .stat-item {
            padding: 12px;
        }
        .stat-digit {
            font-size: 24px;
        }
    }

    /* section shared */
    .section {
        padding-top: 88px;
        padding-bottom: 88px;
    }
    .section-tight {
        padding-top: 60px;
        padding-bottom: 60px;
    }
    .section-head {
        max-width: 720px;
        margin-bottom: 46px;
    }
    .section-tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 2px;
        color: var(--primary);
        padding: 4px 14px;
        background: rgba(11, 113, 87, .08);
        border-radius: 100px;
        text-transform: uppercase;
        margin-bottom: 12px;
    }
    .section-head h2 {
        font-size: 32px;
        line-height: 1.35;
        font-weight: 800;
        color: var(--text-1);
        margin-top: 4px;
    }
    .section-head p {
        font-size: 16px;
        color: var(--text-2);
        margin-top: 14px;
        line-height: 1.8;
    }
    @media(max-width:768px) {
        .section {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 27px;
        }
        .section-head p {
            font-size: 15px;
        }
    }

    /* services */
    .service-grid {
        display: grid;
        grid-template-columns: 1.2fr .8fr .8fr;
        gap: 24px;
    }
    .service-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 28px;
        transition: border-color .3s, box-shadow .3s, transform .3s;
    }
    .service-card:hover {
        border-color: rgba(11, 113, 87, .45);
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
    }
    .service-card .s-index {
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: 2px;
    }
    .service-card .s-title {
        font-size: 19px;
        font-weight: 700;
        margin-top: 12px;
        color: var(--text-1);
    }
    .service-card .s-desc {
        font-size: 14px;
        line-height: 1.75;
        color: var(--text-2);
        margin-top: 10px;
    }
    .service-card .link-more {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 14px;
        color: var(--primary);
        font-weight: 600;
        margin-top: 16px;
        transition: gap .2s;
    }
    .service-card .link-more:hover {
        gap: 9px;
    }
    .banner-card {
        background: var(--primary-deep);
        border-radius: var(--radius-lg);
        padding: 30px;
        border: none;
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .banner-card .s-icon {
        font-size: 30px;
        margin-bottom: 12px;
        display: block;
        line-height: 1;
    }
    .banner-card .s-title {
        color: #fff;
        font-size: 19px;
    }
    .banner-card .s-desc {
        color: rgba(255, 255, 255, .8);
    }
    .banner-card .link-more {
        color: var(--signal);
    }
    .banner-card:after {
        content: "";
        position: absolute;
        right: -20px;
        bottom: -20px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: rgba(227, 236, 69, .12);
    }
    @media(max-width:1024px) {
        .service-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media(max-width:640px) {
        .service-grid {
            grid-template-columns: 1fr;
        }
    }

    /* stats band */
    .stats-band {
        background: linear-gradient(110deg, var(--primary-deep), #0B3F2E);
        padding: 56px 0;
    }
    .stats-band-inner {
        display: grid;
        grid-template-columns: .7fr 1.3fr;
        gap: 48px;
        align-items: center;
    }
    .stats-band h3 {
        color: #fff;
        font-size: 28px;
        font-weight: 800;
        line-height: 1.4;
    }
    .stats-band h3 span {
        color: var(--signal);
    }
    .stats-band .drop-copy {
        color: rgba(255, 255, 255, .7);
        font-size: 15px;
        margin-top: 14px;
    }
    .stats-grid-num {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .num-unit {
        background: rgba(255, 255, 255, .06);
        border-radius: 12px;
        padding: 20px 16px;
        text-align: center;
        border-top: 2px solid var(--signal);
    }
    .num-unit .v {
        color: #fff;
        font-size: 34px;
        font-weight: 800;
        line-height: 1.3;
        font-family: 'DIN Alternate', 'Arial', sans-serif;
    }
    .num-unit .v small {
        font-size: 16px;
        color: var(--signal);
        margin-left: 2px;
    }
    .num-unit .l {
        color: rgba(255, 255, 255, .7);
        font-size: 13px;
        margin-top: 5px;
    }
    @media(max-width:1024px) {
        .stats-band-inner {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .stats-grid-num {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media(max-width:520px) {
        .stats-grid-num {
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .num-unit .v {
            font-size: 27px;
        }
    }

    /* case alternation */
    .case-block {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 36px;
        margin-bottom: 36px;
        align-items: center;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 16px;
        overflow: hidden;
        transition: box-shadow .3s;
    }
    .case-block:hover {
        box-shadow: var(--shadow-lg);
    }
    .case-block .case-img {
        min-height: 300px;
        background-size: cover;
        background-position: center;
        position: relative;
    }
    .case-block.rev .case-img {
        order: 2;
    }
    .case-block .case-content {
        padding: 36px;
    }
    .case-block .c-cat {
        display: inline-block;
        font-size: 13px;
        color: var(--primary);
        font-weight: 700;
        letter-spacing: 1px;
        background: rgba(11, 113, 87, .08);
        padding: 3px 12px;
        border-radius: 100px;
    }
    .case-block h3 {
        font-size: 22px;
        font-weight: 800;
        margin-top: 12px;
        line-height: 1.35;
    }
    .case-block .c-text {
        font-size: 15px;
        color: var(--text-2);
        margin-top: 10px;
        line-height: 1.8;
    }
    .case-mini-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .case-mini {
        background: var(--bg-soft);
        border-radius: 12px;
        padding: 24px;
        border: 1px solid var(--border);
        transition: box-shadow .3s;
    }
    .case-mini:hover {
        box-shadow: var(--shadow-md);
    }
    .case-mini h4 {
        font-size: 17px;
        font-weight: 700;
        margin-top: 10px;
    }
    .case-mini p {
        font-size: 14px;
        color: var(--text-2);
        margin-top: 8px;
    }
    @media(max-width:768px) {
        .case-block {
            grid-template-columns: 1fr;
        }
        .case-block.rev .case-img {
            order: 1;
        }
        .case-block .case-content {
            padding: 26px;
        }
        .case-mini-row {
            grid-template-columns: 1fr;
        }
    }

    /* blog list */
    .info-section {
        background: var(--bg-soft);
    }
    .info-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        margin-bottom: 32px;
        flex-wrap: wrap;
        gap: 16px;
    }
    .info-header .section-tag {
        margin-bottom: 0;
    }
    .info-header h2 {
        font-size: 30px;
        font-weight: 800;
        margin-top: 6px;
    }
    .btn-link {
        color: var(--primary);
        font-weight: 600;
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 5px;
        white-space: nowrap;
        border-bottom: 1px solid transparent;
        transition: border-color .2s;
    }
    .btn-link:hover {
        border-color: var(--primary);
    }
    .info-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .info-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: box-shadow .3s, transform .3s;
        display: flex;
        flex-direction: column;
    }
    .info-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
    }
    .info-card .ic-img {
        height: 180px;
        background-size: cover;
        background-position: center;
        position: relative;
    }
    .info-card .ic-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--signal);
        color: var(--primary-deep);
        font-size: 12px;
        font-weight: 700;
        padding: 2px 10px;
        border-radius: 100px;
    }
    .info-card .ic-content {
        padding: 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .info-card .ic-title {
        font-size: 16px;
        font-weight: 700;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        min-height: 51px;
    }
    .info-card .ic-desc {
        font-size: 14px;
        color: var(--text-2);
        margin-top: 8px;
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .info-card .ic-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: auto;
        padding-top: 14px;
        font-size: 12px;
        color: var(--text-2);
        border-top: 1px solid var(--border);
        margin-top: 16px;
    }
    .info-card .ic-meta .cat {
        background: rgba(11, 113, 87, .08);
        color: var(--primary);
        padding: 2px 8px;
        border-radius: 100px;
        font-weight: 600;
    }
    @media(max-width:1024px) {
        .info-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media(max-width:640px) {
        .info-grid {
            grid-template-columns: 1fr;
        }
        .info-header h2 {
            font-size: 26px;
        }
    }
    .empty-tip {
        grid-column: 1/-1;
        text-align: center;
        background: #fff;
        border: 1px dashed var(--border);
        border-radius: var(--radius-lg);
        color: var(--text-2);
        padding: 36px 20px;
        font-size: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    /* solution split */
    .solution-wrap {
        display: grid;
        grid-template-columns: .7fr 1.3fr;
        gap: 60px;
    }
    .solution-intro .lead-title {
        font-size: 30px;
        font-weight: 800;
        line-height: 1.4;
    }
    .solution-intro .lead-more {
        color: var(--text-2);
        margin: 18px 0 30px;
        font-size: 15px;
        line-height: 1.9;
    }
    .solution-steps {
        list-style: none;
    }
    .solution-steps li {
        border-bottom: 1px solid var(--border);
        padding: 0 0 16px;
        margin-bottom: 16px;
        display: grid;
        grid-template-columns: 28px 1fr;
        gap: 14px;
    }
    .step-idx {
        background: var(--primary);
        color: #fff;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        font-weight: 700;
    }
    .solution-steps h4 {
        font-weight: 700;
        font-size: 16px;
    }
    .solution-steps p {
        color: var(--text-2);
        font-size: 14px;
        margin-top: 3px;
        line-height: 1.7;
    }
    .solution-copy-panel {
        background: var(--primary-deep);
        border-radius: 20px;
        padding: 36px;
        color: #fff;
        position: relative;
        overflow: hidden;
        min-height: 420px;
    }
    .solution-copy-panel:before {
        content: "";
        background: url('/assets/images/coverpic/cover-3.png');
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center 70%;
        opacity: .15;
    }
    .solution-copy-content {
        position: relative;
        z-index: 1;
    }
    .solution-copy-content h4 {
        color: var(--signal);
        font-size: 14px;
        letter-spacing: 2px;
        font-weight: 600;
        margin-bottom: 16px;
    }
    .solution-copy-content h5 {
        font-size: 26px;
        font-weight: 800;
        line-height: 1.4;
        margin-bottom: 14px;
    }
    .solution-copy-content p {
        color: rgba(255, 255, 255, .8);
        line-height: 1.8;
        font-size: 15px;
        max-width: 380px;
    }
    .solution-copy-content .line-list {
        list-style: none;
        margin-top: 28px;
    }
    .solution-copy-content .line-list li {
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, .12);
        display: flex;
        gap: 10px;
        align-items: center;
        font-size: 14px;
    }
    .solution-copy-content .line-list li:before {
        content: "●";
        color: var(--signal);
        font-size: 10px;
    }
    @media(max-width:1024px) {
        .solution-wrap {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .solution-intro .lead-title {
            font-size: 27px;
        }
        .solution-copy-panel {
            min-height: auto;
        }
    }

    /* faq */
    .faq-wrap {
        display: grid;
        grid-template-columns: .8fr 1.2fr;
        gap: 60px;
        align-items: top;
    }
    .faq-intro h2 {
        font-size: 30px;
        line-height: 1.4;
    }
    .faq-intro p {
        color: var(--text-2);
        margin-top: 14px;
        font-size: 15px;
    }
    .faq-list {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 8px 24px;
    }
    .faq-item {
        border-bottom: 1px solid var(--border);
        padding: 18px 0;
    }
    .faq-item:last-child {
        border-bottom: none;
    }
    .faq-q {
        display: flex;
        gap: 13px;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        transition: color .2s;
    }
    .faq-q .q-text {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .q-symbol {
        color: var(--primary);
        font-weight: 800;
        font-size: 18px;
        line-height: 1;
    }
    .q-icon {
        width: 16px;
        height: 16px;
        position: relative;
        background: #fff;
        border: none;
        transition: transform .3s;
        flex-shrink: 0;
    }
    .q-icon:before,
    .q-icon:after {
        content: '';
        position: absolute;
        background: var(--primary);
        border-radius: 2px;
    }
    .q-icon:before {
        width: 14px;
        height: 2px;
        top: 7px;
        left: 1px;
    }
    .q-icon:after {
        width: 2px;
        height: 14px;
        top: 1px;
        left: 7px;
        transition: height .2s;
    }
    .faq-item.open .q-icon:after {
        height: 0;
    }
    .faq-a {
        margin-top: 12px;
        padding-left: 28px;
        color: var(--text-2);
        font-size: 14px;
        line-height: 1.8;
        display: none;
    }
    .faq-item.open .faq-a {
        display: block;
    }
    .faq-more {
        margin-top: 18px;
        color: var(--text-2);
        font-size: 15px;
        padding: 0 4px;
    }
    .faq-more a {
        color: var(--primary);
        font-weight: 600;
        margin-left: 4px;
    }
    @media(max-width:1024px) {
        .faq-wrap {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }

    /* cta */
    .cta-area {
        background: var(--primary-deep);
        padding: 70px 0;
        position: relative;
        overflow: hidden;
    }
    .cta-area:before {
        content: "";
        background-image: url('/assets/images/backpic/back-2.png');
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center;
        opacity: .2;
    }
    .cta-wrap {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1fr .9fr;
        gap: 56px;
        align-items: center;
    }
    .cta-head h3 {
        color: #fff;
        font-size: 28px;
        line-height: 1.45;
        font-weight: 800;
    }
    .cta-head p {
        color: rgba(255, 255, 255, .8);
        margin-top: 18px;
        font-size: 16px;
        line-height: 1.8;
    }
    .cta-tel {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 28px;
    }
    .cta-tel a {
        font-size: 22px;
        color: var(--signal);
        font-weight: 800;
        letter-spacing: 1px;
        font-family: 'DIN Alternate', 'Arial', sans-serif;
    }
    .cta-tagline {
        color: rgba(255, 255, 255, .6);
        font-size: 13px;
        margin-top: 4px;
    }
    .form-panel {
        background: #fff;
        border-radius: 16px;
        padding: 28px;
        box-shadow: var(--shadow-lg);
    }
    .form-panel h5 {
        font-size: 19px;
        font-weight: 800;
        margin-bottom: 4px;
    }
    .form-panel .sub {
        font-size: 13px;
        color: var(--text-2);
        margin-bottom: 20px;
    }
    .form-row2 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
        margin-bottom: 14px;
    }
    .form-group label {
        display: block;
        font-size: 13px;
        color: var(--text-1);
        font-weight: 600;
        margin-bottom: 6px;
    }
    .form-group input,
    .form-group textarea {
        width: 100%;
        height: 44px;
        border: 1px solid #DDE3DC;
        border-radius: 8px;
        padding: 0 12px;
        font-size: 14px;
        color: var(--text-1);
        background: #FAFBF8;
        transition: border-color .2s, background .2s;
        outline: none;
    }
    .form-group textarea {
        height: 80px;
        padding-top: 10px;
        resize: vertical;
    }
    .form-group input:focus,
    .form-group textarea:focus {
        border-color: var(--primary);
        background: rgba(11, 113, 87, .04);
    }
    .btn-submit {
        width: 100%;
        background: var(--signal);
        color: var(--primary-deep);
        border: none;
        font-weight: 700;
        font-size: 16px;
        padding: 12px;
        border-radius: 8px;
        margin-top: 16px;
        cursor: pointer;
        transition: background .2s, transform .2s;
    }
    .btn-submit:hover {
        background: #d6e03a;
        transform: translateY(-2px);
    }
    .form-panel .prompt {
        font-size: 12px;
        color: var(--text-2);
        margin-top: 10px;
        text-align: center;
    }
    @media(max-width:1024px) {
        .cta-wrap {
            grid-template-columns: 1fr;
        }
    }
    @media(max-width:520px) {
        .form-row2 {
            grid-template-columns: 1fr;
        }
        .cta-head h3 {
            font-size: 22px;
        }
        .cta-area {
            padding: 50px 0;
        }
        .form-panel {
            padding: 24px 18px;
        }
    }

    /* footer */
    .site-footer {
        background: #031F18;
        color: rgba(255, 255, 255, .7);
        font-size: 14px;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.2fr .6fr .7fr .8fr;
        gap: 40px;
        padding: 52px 0 40px;
    }
    .footer-col h6 {
        color: #fff;
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 14px;
    }
    .footer-brand {
        color: #fff;
        font-size: 19px;
        font-weight: 800;
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 12px;
    }
    .footer-desc {
        line-height: 1.8;
        font-size: 14px;
        margin-top: 12px;
        color: rgba(255, 255, 255, .6);
        max-width: 260px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul a {
        color: rgba(255, 255, 255, .67);
        font-size: 14px;
        transition: color .2s, padding-left .2s;
    }
    .footer-col ul a:hover {
        color: var(--signal);
        padding-left: 4px;
    }
    .footer-contact p {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        line-height: 1.6;
        margin-bottom: 9px;
        font-size: 14px;
    }
    .footer-contact p .dot {
        color: var(--signal);
        margin-top: 2px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .1);
        padding: 22px 0;
        display: flex;
        justify-content: space-between;
        gap: 20px;
        flex-wrap: wrap;
        font-size: 13px;
        color: rgba(255, 255, 255, .45);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, .45);
    }
    .footer-bottom a:hover {
        color: var(--signal);
    }
    @media(max-width:1024px) {
        .footer-top {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media(max-width:520px) {
        .footer-top {
            grid-template-columns: 1fr;
            gap: 28px;
            padding: 40px 0 24px;
        }
        .footer-bottom {
            flex-direction: column;
            gap: 8px;
        }
    }

    /* focus state accessible */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

    /* run line */
    .runline {
        background: var(--signal);
        color: var(--primary-deep);
        font-size: 14px;
        font-weight: 600;
        padding: 8px 0;
        overflow: hidden;
    }
    .runline .container {
        display: flex;
        align-items: center;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        white-space: nowrap;
    }
    .runline .container::-webkit-scrollbar {
        display: none;
    }
    .runline .container span {
        margin-right: 40px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .runline .container span:before {
        content: "●";
        font-size: 9px;
    }
    .hero-stats-label {
        position: absolute;
        bottom: 14px;
        right: 20px;
        z-index: 2;
        color: rgba(255, 255, 255, .5);
        font-size: 12px;
        letter-spacing: 1px;
    }
    @media(max-width:768px) {
        .solution-wrap {
            gap: 20px;
        }
        .solution-copy-panel {
            padding: 22px;
        }
        .solution-copy-content h5 {
            font-size: 21px;
        }
    }
    .service-icon {
        width: 42px;
        height: 42px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(11, 113, 87, .08);
        color: var(--primary);
        border-radius: 10px;
        font-size: 20px;
        font-weight: 800;
        margin-bottom: 14px;
    }
    .banner-card .service-icon {
        background: rgba(255, 255, 255, .15);
        color: var(--signal);
    }
    .more-arrow {
        display: inline-block;
        transition: transform .2s;
    }
    .link-more:hover .more-arrow {
        transform: translateX(4px);
    }

/* roulang page: category1 */
:root {
        --font-sans: "PingFang SC", "Source Han Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
        --primary: #0B7157;
        --primary-deep: #064D3B;
        --primary-soft: #E2F0E9;
        --signal: #E3EC45;
        --accent: #F0C75E;
        --bg: #F6F7F2;
        --surface: #FFFFFF;
        --text: #16231F;
        --muted: #51605A;
        --border: #E0E5DC;
        --radius: 12px;
        --radius-sm: 8px;
        --radius-pill: 999px;
        --shadow-sm: 0 2px 10px rgba(8, 54, 39, 0.08);
        --shadow-md: 0 12px 36px rgba(8, 54, 39, 0.12);
        --shadow-deep: 0 20px 50px rgba(8, 54, 39, 0.18);
        --container: 1240px;
        --space-section: 92px;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: var(--font-sans);
        background: var(--bg);
        color: var(--text);
        font-size: 16px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    body,
    h1,
    h2,
    h3,
    h4,
    p,
    ul,
    ol,
    dl,
    dd,
    figure,
    blockquote {
        margin: 0;
        padding: 0;
    }
    ul,
    ol {
        list-style: none;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    img {
        max-width: 100%;
        display: block;
    }
    button,
    input,
    select,
    textarea {
        font: inherit;
        color: inherit;
    }
    input,
    select,
    textarea {
        outline: none;
    }
    textarea {
        resize: vertical;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid rgba(6, 77, 59, 0.35);
        outline-offset: 2px;
        border-radius: 4px;
    }
    .skip-link {
        position: absolute;
        left: -999px;
        top: 8px;
        z-index: 100;
        background: var(--primary);
        color: #fff;
        padding: 8px 16px;
        border-radius: 8px;
        font-weight: 600;
    }
    .skip-link:focus {
        left: 8px;
    }
    .container {
        max-width: var(--container);
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }
    @media (max-width: 640px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
    }

    /* ========== Header ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 60;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(8px);
        border-bottom: 1px solid rgba(224, 229, 220, 0.8);
        box-shadow: 0 4px 12px rgba(8, 54, 39, 0.05);
    }
    .header-main {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        min-height: 76px;
        padding-top: 12px;
        padding-bottom: 12px;
    }
    .brand {
        flex-shrink: 0;
    }
    .brand a {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 800;
        letter-spacing: 0.2px;
        color: var(--primary-deep);
        line-height: 1.2;
    }
    .brand-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 9px;
        background: var(--signal);
        color: var(--primary-deep);
        font-size: 19px;
        font-weight: 900;
        box-shadow: 0 3px 0 rgba(6, 77, 59, 0.12);
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
    }
    .search-control {
        display: flex;
        align-items: center;
        gap: 8px;
        width: 250px;
        height: 42px;
        padding: 0 14px;
        border: 1px solid var(--border);
        border-radius: var(--radius-pill);
        background: #fff;
        transition: border-color 0.2s, box-shadow 0.2s;
    }
    .search-control:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(11, 113, 87, 0.1);
    }
    .search-control svg {
        width: 17px;
        height: 17px;
        stroke: var(--muted);
        flex-shrink: 0;
    }
    .search-control input {
        width: 100%;
        border: 0;
        background: transparent;
        font-size: 14px;
        color: var(--text);
    }
    .search-control input::placeholder {
        color: #8A948E;
    }
    .header-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 42px;
        padding: 0 20px;
        background: var(--primary);
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        border-radius: var(--radius-sm);
        border: 1px solid var(--primary);
        transition: all 0.2s ease;
        box-shadow: 0 3px 0 rgba(6, 77, 59, 0.18);
        white-space: nowrap;
    }
    .header-cta:hover {
        background: var(--primary-deep);
        border-color: var(--primary-deep);
        transform: translateY(-1px);
    }
    .main-nav {
        background: var(--primary-deep);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .main-nav .nav-inner {
        display: flex;
        align-items: center;
        gap: 6px;
        overflow-x: auto;
        overflow-y: hidden;
        flex-wrap: nowrap;
        scrollbar-width: none;
        padding-top: 8px;
        padding-bottom: 8px;
    }
    .main-nav .nav-inner::-webkit-scrollbar {
        display: none;
    }
    .main-nav a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 38px;
        padding: 0 18px;
        border-radius: var(--radius-pill);
        color: rgba(255, 255, 255, 0.76);
        font-size: 15px;
        font-weight: 500;
        white-space: nowrap;
        transition: all 0.2s ease;
    }
    .main-nav a:hover {
        color: #ffffff;
        background: rgba(255, 255, 255, 0.12);
    }
    .main-nav a.active {
        background: var(--signal);
        color: var(--primary-deep);
        font-weight: 700;
        box-shadow: 0 2px 0 rgba(0, 0, 0, 0.18);
    }

    /* ========== Page top / category hero ========== */
    .cat-hero {
        position: relative;
        background: linear-gradient(100deg, rgba(255, 255, 255, 0.96) 10%, rgba(232, 244, 235, 0.95) 58%, rgba(6, 77, 59, 0.18) 100%),
            url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
        padding: 88px 0 82px;
        border-bottom: 1px solid var(--border);
    }
    .cat-hero-grid {
        display: grid;
        grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
        gap: 56px;
        align-items: center;
    }
    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--muted);
        margin-bottom: 20px;
    }
    .breadcrumb a {
        color: var(--primary);
        font-weight: 500;
    }
    .breadcrumb a:hover {
        color: var(--primary-deep);
        text-decoration: underline;
    }
    .hero-tag {
        display: inline-flex;
        align-items: center;
        padding: 6px 14px;
        border-radius: var(--radius-pill);
        background: rgba(227, 236, 69, 0.55);
        border: 1px solid rgba(227, 236, 69, 0.9);
        color: var(--primary-deep);
        font-size: 13px;
        font-weight: 700;
        margin-bottom: 20px;
    }
    .cat-hero h1 {
        font-size: 42px;
        line-height: 1.26;
        letter-spacing: -0.2px;
        font-weight: 800;
        color: var(--primary-deep);
        margin-bottom: 18px;
    }
    .cat-hero-desc {
        font-size: 16px;
        line-height: 1.9;
        color: var(--muted);
        max-width: 580px;
        margin-bottom: 30px;
    }
    .cat-hero-desc strong {
        color: var(--primary);
        font-weight: 600;
    }
    .hero-dooring {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
        margin-top: 8px;
    }
    .door-card {
        display: block;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 18px 18px 16px;
        transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        box-shadow: var(--shadow-sm);
    }
    .door-card:hover {
        border-color: var(--primary);
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }
    .door-card .door-icon {
        width: 40px;
        height: 40px;
        border-radius: 9px;
        background: var(--primary-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 12px;
    }
    .door-card .door-icon svg {
        width: 20px;
        height: 20px;
        stroke: var(--primary);
        fill: none;
    }
    .door-card h3 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 4px;
    }
    .door-card p {
        font-size: 13px;
        color: var(--muted);
        line-height: 1.6;
    }
    .cat-hero-media {
        position: relative;
    }
    .hero-media-frame {
        position: relative;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: var(--shadow-md);
        border: 5px solid #fff;
    }
    .hero-media-frame img {
        width: 100%;
        height: 340px;
        object-fit: cover;
    }
    .media-overlay-bar {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        padding: 24px 18px 14px;
        background: linear-gradient(transparent, rgba(6, 77, 59, 0.86));
        color: #fff;
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        gap: 12px;
    }
    .media-overlay-bar strong {
        font-size: 16px;
        font-weight: 700;
    }
    .media-overlay-bar span {
        display: inline-flex;
        align-items: center;
        background: var(--signal);
        color: var(--primary-deep);
        font-size: 13px;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: var(--radius-pill);
    }
    .hero-float {
        position: absolute;
        top: -16px;
        right: 18px;
        background: #fff;
        border-radius: 14px;
        padding: 12px 18px;
        display: flex;
        align-items: center;
        gap: 12px;
        box-shadow: var(--shadow-md);
        border: 1px solid rgba(224, 229, 220, 0.7);
    }
    .hero-float .pulse-dot {
        width: 9px;
        height: 9px;
        border-radius: 50%;
        background: var(--primary);
        box-shadow: 0 0 0 5px rgba(11, 113, 87, 0.14);
    }
    .hero-float .float-label {
        font-size: 12px;
        color: var(--muted);
        display: block;
        line-height: 1.3;
    }
    .hero-float .float-value {
        font-size: 19px;
        font-weight: 800;
        color: var(--primary-deep);
        display: block;
        line-height: 1.4;
    }

    /* ========== Sections ========== */
    .section {
        padding-top: var(--space-section);
        padding-bottom: var(--space-section);
    }
    .section-white {
        background: #fff;
    }
    .section-bg {
        background: var(--bg);
    }
    .sec-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: 0.5px;
        text-transform: uppercase;
        margin-bottom: 12px;
    }
    .sec-label::before {
        content: "";
        width: 16px;
        height: 3px;
        border-radius: 4px;
        background: var(--signal);
        border: 1px solid rgba(6, 77, 59, 0.25);
    }
    .section-head {
        max-width: 760px;
        margin-bottom: 46px;
    }
    .section-head h2 {
        font-size: 32px;
        line-height: 1.35;
        font-weight: 800;
        color: var(--text);
        margin-bottom: 12px;
    }
    .section-head p {
        font-size: 16px;
        color: var(--muted);
        line-height: 1.85;
    }
    .section-title-row {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        gap: 24px;
        margin-bottom: 42px;
        flex-wrap: wrap;
    }
    .section-title-row h2 {
        font-size: 30px;
        line-height: 1.4;
        font-weight: 800;
        color: var(--text);
        margin: 0;
        max-width: 560px;
    }
    .section-title-row .side-note {
        color: var(--muted);
        font-size: 15px;
        max-width: 320px;
        padding-left: 18px;
        border-left: 3px solid var(--signal);
        line-height: 1.8;
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        padding: 13px 26px;
        font-size: 15px;
        font-weight: 700;
        border-radius: 8px;
        border: 1px solid var(--primary);
        cursor: pointer;
        transition: all 0.2s ease;
        box-shadow: 0 4px 0 rgba(5, 55, 38, 0.12);
    }
    .btn-primary:hover {
        background: var(--primary-deep);
        transform: translateY(-2px);
        box-shadow: 0 6px 12px rgba(5, 55, 38, 0.18);
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: #fff;
        color: var(--primary);
        padding: 12px 24px;
        font-size: 15px;
        font-weight: 600;
        border-radius: 8px;
        border: 1px solid var(--primary);
        transition: all 0.2s ease;
    }
    .btn-secondary:hover {
        background: var(--primary-soft);
        border-color: var(--primary-deep);
        color: var(--primary-deep);
    }

    /* ========= Service composite section ========== */
    .svc-grid {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 20px;
    }
    .svc-main-card {
        grid-column: span 7;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 14px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        transition: transform 0.25s ease, box-shadow 0.25s ease;
        box-shadow: var(--shadow-sm);
    }
    .svc-main-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }
    .svc-main-card .card-media img {
        width: 100%;
        height: 220px;
        object-fit: cover;
    }
    .svc-main-card .card-body {
        padding: 22px 24px 26px;
    }
    .card-kicker {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        color: var(--primary);
        background: var(--primary-soft);
        border-radius: var(--radius-pill);
        padding: 4px 12px;
        margin-bottom: 12px;
    }
    .svc-main-card h3 {
        font-size: 22px;
        font-weight: 800;
        color: var(--text);
        margin-bottom: 10px;
    }
    .svc-main-card .card-body p {
        color: var(--muted);
        font-size: 15px;
        line-height: 1.85;
    }
    .svc-stack {
        grid-column: span 5;
        display: grid;
        grid-template-rows: 1fr 1fr;
        gap: 20px;
    }
    .stack-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 22px 24px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        border-left: 4px solid var(--primary);
        transition: transform 0.25s ease, border-color 0.25s ease;
        box-shadow: var(--shadow-sm);
    }
    .stack-card:hover {
        transform: translateX(4px);
        border-left-color: var(--accent);
    }
    .stack-card .stack-icon {
        width: 38px;
        height: 38px;
        background: var(--primary-soft);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 12px;
    }
    .stack-card .stack-icon svg {
        width: 19px;
        height: 19px;
        stroke: var(--primary);
        fill: none;
    }
    .stack-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 4px;
    }
    .stack-card p {
        font-size: 13px;
        color: var(--muted);
        line-height: 1.65;
    }
    .svc-bottom-card {
        grid-column: span 12;
        background: linear-gradient(100deg, #fff 55%, var(--primary-soft) 100%);
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 24px 26px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        box-shadow: var(--shadow-sm);
        transition: transform 0.25s ease, box-shadow 0.25s ease;
        flex-wrap: wrap;
    }
    .svc-bottom-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }
    .svc-bottom-card h3 {
        font-size: 18px;
        font-weight: 800;
        color: var(--text);
        margin-bottom: 4px;
    }
    .svc-bottom-card p {
        font-size: 14px;
        color: var(--muted);
    }
    .list-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 14px;
    }
    .tag-chip {
        display: inline-flex;
        align-items: center;
        background: var(--bg);
        border: 1px solid var(--border);
        color: var(--muted);
        font-size: 12px;
        font-weight: 500;
        padding: 5px 12px;
        border-radius: var(--radius-pill);
    }

    /* ========= Metrics dark band ========== */
    .metrics-band {
        position: relative;
        color: #fff;
        background: linear-gradient(135deg, rgba(5, 63, 46, 0.95), rgba(6, 77, 59, 0.92)),
            url('/assets/images/backpic/back-2.png') center / cover no-repeat;
        padding: var(--space-section) 0;
    }
    .metrics-top {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 36px;
        align-items: end;
        margin-bottom: 48px;
    }
    .metrics-top h2 {
        font-size: 30px;
        line-height: 1.4;
        font-weight: 800;
        margin-bottom: 10px;
    }
    .metrics-top p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 16px;
        line-height: 1.85;
    }
    .metric-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .metric-item {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: 14px;
        padding: 24px 20px;
        backdrop-filter: blur(4px);
        transition: background 0.25s ease, transform 0.25s ease;
    }
    .metric-item:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-3px);
    }
    .metric-num {
        font-size: 38px;
        font-weight: 800;
        line-height: 1.15;
        color: #fff;
        margin-bottom: 8px;
    }
    .metric-num small {
        font-size: 16px;
        font-weight: 700;
        color: var(--signal);
        margin-left: 5px;
    }
    .metric-item p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.68);
        line-height: 1.6;
    }

    /* ========= Scenes ========== */
    .scene-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .scene-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 14px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        box-shadow: var(--shadow-sm);
        transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
    }
    .scene-card:hover {
        transform: translateY(-4px);
        border-color: rgba(11, 113, 87, 0.4);
        box-shadow: var(--shadow-md);
    }
    .scene-media {
        height: 190px;
        overflow: hidden;
        position: relative;
    }
    .scene-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .scene-card:hover .scene-media img {
        transform: scale(1.03);
    }
    .scene-media::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 55%, rgba(6, 77, 59, 0.35));
    }
    .scene-body {
        padding: 22px 24px 26px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .scene-body h3 {
        font-size: 18px;
        font-weight: 800;
        color: var(--text);
        margin-bottom: 8px;
    }
    .scene-body>p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.75;
        margin-bottom: 14px;
    }
    .scene-points {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px 10px;
        margin-top: auto;
    }
    .scene-points li {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--text);
    }
    .scene-points li::before {
        content: "";
        width: 5px;
        height: 5px;
        background: var(--signal);
        border: 1px solid rgba(6, 77, 59, 0.6);
        border-radius: 50%;
        flex-shrink: 0;
    }

    /* ========= Process ========== */
    .process-wrap {
        display: grid;
        grid-template-columns: 0.9fr 1.4fr;
        gap: 60px;
        align-items: start;
    }
    .process-heading {
        position: sticky;
        top: 150px;
    }
    .process-heading h2 {
        font-size: 30px;
        line-height: 1.4;
        font-weight: 800;
        margin-bottom: 14px;
    }
    .process-heading p {
        color: var(--muted);
        line-height: 1.85;
        margin-bottom: 22px;
    }
    .process-list {
        position: relative;
        margin: 0;
        padding: 0;
    }
    .process-list::before {
        content: "";
        position: absolute;
        left: 25px;
        top: 20px;
        bottom: 20px;
        width: 2px;
        background: linear-gradient(to bottom, var(--primary), var(--border) 80%);
    }
    .process-step {
        position: relative;
        display: grid;
        grid-template-columns: 52px 1fr;
        gap: 18px;
        padding-bottom: 26px;
    }
    .process-num {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: var(--primary-soft);
        border: 2px solid var(--primary);
        color: var(--primary);
        font-size: 15px;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1;
    }
    .process-step:nth-child(even) .process-num {
        background: #fff;
        border-color: var(--accent);
        color: var(--primary-deep);
    }
    .process-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 18px 20px;
        box-shadow: var(--shadow-sm);
    }
    .process-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 6px;
    }
    .process-card p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
    }

    /* ========= FAQ ========== */
    .faq-layout {
        display: grid;
        grid-template-columns: 0.85fr 1.5fr;
        gap: 54px;
        align-items: start;
    }
    .faq-info h2 {
        font-size: 30px;
        font-weight: 800;
        line-height: 1.4;
        color: var(--text);
        margin-bottom: 14px;
    }
    .faq-info p {
        color: var(--muted);
        line-height: 1.85;
        margin-bottom: 20px;
    }
    .faq-contact-away {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: var(--primary-soft);
        padding: 12px 16px;
        border-radius: 12px;
        color: var(--primary-deep);
        font-weight: 600;
        font-size: 15px;
    }
    .faq-list {
        border-top: 1px solid var(--border);
    }
    .faq-item {
        border-bottom: 1px solid var(--border);
        background: #fff;
    }
    .faq-item+.faq-item {
        margin-top: 0;
    }
    .faq-q {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 16px;
        text-align: left;
        background: transparent;
        border: 0;
        padding: 18px 8px 18px 0;
        cursor: pointer;
        color: var(--text);
        font-size: 16px;
        font-weight: 600;
        line-height: 1.6;
        transition: color 0.2s;
    }
    .faq-q:hover {
        color: var(--primary);
    }
    .faq-q-icon {
        width: 24px;
        height: 24px;
        border-radius: 6px;
        background: var(--primary-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        transition: transform 0.3s ease, background 0.3s ease;
    }
    .faq-q-icon::before {
        content: "+";
        font-size: 20px;
        line-height: 1;
        color: var(--primary);
        font-weight: 700;
    }
    .faq-disc {
        padding: 0 8px 18px 40px;
        color: var(--muted);
        font-size: 14px;
        line-height: 1.85;
        display: none;
    }
    .faq-item.open .faq-disc {
        display: block;
    }
    .faq-item.open .faq-q-icon {
        transform: rotate(45deg);
        background: var(--signal);
    }
    .faq-item.open .faq-q-icon::before {
        color: var(--primary-deep);
    }
    .faq-item.open .faq-q {
        color: var(--primary);
    }

    /* ========= Contact / CTA ========== */
    .contact-section {
        background: var(--primary-deep);
        padding: 92px 0;
        color: #fff;
    }
    .contact-grid {
        display: grid;
        grid-template-columns: 1fr 0.85fr;
        gap: 56px;
        align-items: start;
    }
    .contact-head h2 {
        font-size: 34px;
        line-height: 1.35;
        font-weight: 800;
        color: #fff;
        margin-bottom: 14px;
    }
    .contact-head p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 15px;
        line-height: 1.85;
        margin-bottom: 24px;
        max-width: 460px;
    }
    .contact-methods {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 14px;
        padding: 22px 24px;
    }
    .contact-methods li {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px 0;
        color: rgba(255, 255, 255, 0.82);
        font-size: 15px;
    }
    .contact-methods li .dot {
        color: var(--signal);
    }
    .contact-form-panel {
        background: #fff;
        border-radius: 16px;
        padding: 28px;
        color: var(--text);
        box-shadow: var(--shadow-deep);
    }
    .contact-form-panel h3 {
        font-size: 20px;
        font-weight: 800;
        color: var(--text);
        margin-bottom: 6px;
    }
    .contact-form-panel .form-sub {
        font-size: 13px;
        color: var(--muted);
        margin-bottom: 20px;
    }
    .form-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .form-field {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .form-field label {
        font-size: 13px;
        font-weight: 600;
        color: var(--text);
    }
    .form-field input,
    .form-field select,
    .form-field textarea {
        border: 1px solid var(--border);
        border-radius: 8px;
        height: 44px;
        background: #fff;
        padding: 0 13px;
        font-size: 14px;
        color: var(--text);
        transition: border-color 0.2s, box-shadow 0.2s;
        width: 100%;
    }
    .form-field textarea {
        height: 100px;
        padding-top: 12px;
        padding-bottom: 12px;
        line-height: 1.6;
    }
    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(11, 113, 87, 0.08);
        background: #FBFEFC;
    }
    .form-field-full {
        grid-column: span 2;
    }
    .submit-row {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-top: 18px;
        flex-wrap: wrap;
    }
    .submit-hint {
        font-size: 12px;
        color: var(--muted);
        line-height: 1.6;
    }
    .form-success {
        display: none;
        margin-top: 14px;
        background: var(--primary-soft);
        color: var(--primary-deep);
        border: 1px solid rgba(11, 113, 87, 0.2);
        padding: 12px 14px;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 600;
    }
    .form-success.show {
        display: block;
    }

    /* ========= Footer ========== */
    .site-footer {
        background: #042F25;
        color: rgba(255, 255, 255, 0.72);
        padding: 70px 0 0;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.7fr 0.9fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 42px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 800;
        color: #fff;
    }
    .footer-desc {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.55);
        line-height: 1.8;
        margin-top: 16px;
        max-width: 320px;
    }
    .footer-col h6 {
        color: #fff;
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 16px;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.58);
        transition: color 0.2s, padding-left 0.2s;
    }
    .footer-col ul a:hover {
        color: var(--signal);
        padding-left: 4px;
    }
    .footer-contact p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-contact .dot {
        color: var(--signal);
        font-size: 12px;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 22px 0;
        flex-wrap: wrap;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.45);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.5);
    }
    .footer-bottom a:hover {
        color: #fff;
    }

    /* ========= Responsive ========== */
    @media (max-width: 1024px) {
        :root {
            --space-section: 76px;
        }
        .cat-hero {
            padding: 64px 0 60px;
        }
        .cat-hero-grid {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .cat-hero-desc {
            max-width: 100%;
        }
        .cat-hero-media {
            max-width: 620px;
        }
        .svc-main-card,
        .svc-stack {
            grid-column: span 12;
        }
        .svc-stack {
            grid-template-rows: none;
            grid-template-columns: 1fr 1fr;
        }
        .metrics-top {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .metric-grid {
            grid-template-columns: 1fr 1fr;
        }
        .process-wrap {
            grid-template-columns: 1fr;
            gap: 36px;
        }
        .process-heading {
            position: static;
        }
        .faq-layout {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .contact-grid {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .footer-top {
            grid-template-columns: 1.3fr 0.9fr;
        }
    }
    @media (max-width: 768px) {
        :root {
            --space-section: 62px;
        }
        .header-main {
            flex-wrap: wrap;
            min-height: 0;
            padding-top: 12px;
            padding-bottom: 8px;
        }
        .search-control {
            width: 100%;
            order: 3;
            margin-top: 4px;
        }
        .brand a {
            font-size: 17px;
        }
        .header-cta {
            height: 38px;
            font-size: 13px;
            padding: 0 15px;
        }
        .cat-hero h1 {
            font-size: 32px;
        }
        .hero-dooring {
            grid-template-columns: 1fr;
        }
        .section-head h2,
        .section-title-row h2,
        .metrics-top h2,
        .process-heading h2,
        .faq-info h2 {
            font-size: 25px;
        }
        .section-title-row {
            flex-direction: column;
            align-items: flex-start;
        }
        .section-title-row .side-note {
            max-width: 100%;
            padding-left: 0;
            border-left: 0;
        }
        .svc-stack {
            grid-template-columns: 1fr;
        }
        .scene-grid,
        .form-grid {
            grid-template-columns: 1fr;
        }
        .scene-points {
            grid-template-columns: 1fr 1fr;
        }
        .form-field-full {
            grid-column: span 1;
        }
        .contact-form-panel {
            padding: 22px;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .metric-grid {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 520px) {
        .header-main {
            gap: 10px;
        }
        .search-control {
            display: none;
        }
        .brand-icon {
            width: 32px;
            height: 32px;
            font-size: 16px;
        }
        .header-cta {
            width: 44px;
            height: 40px;
            padding: 0;
            font-size: 0;
            gap: 0;
            overflow: hidden;
            border-radius: 8px;
            position: relative;
        }
        .header-cta::after {
            content: "咨询";
            font-size: 13px;
            font-weight: 600;
            line-height: 1;
            display: inline;
        }
        .cat-hero {
            padding: 48px 0 44px;
        }
        .cat-hero h1 {
            font-size: 28px;
        }
        .media-overlay-bar {
            flex-direction: column;
            align-items: flex-start;
        }
        .hero-float {
            top: -10px;
            right: 8px;
            padding: 8px 12px;
        }
        .metric-num {
            font-size: 32px;
        }
        .scene-points {
            grid-template-columns: 1fr;
        }
        .faq-disc {
            padding-left: 0;
        }
        .contact-grid {
            gap: 30px;
        }
    }

/* roulang page: article */
:root {
    --primary: #0B7157;
    --primary-deep: #064D3B;
    --primary-dark: #062F26;
    --signal: #E3EC45;
    --signal-soft: #F1F5C7;
    --warm: #F0C75E;
    --bg: #F6F7F2;
    --surface: #FFFFFF;
    --surface-soft: #EDF2EA;
    --text: #16231F;
    --text-2: #51605A;
    --border: #E3E7E0;
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 6px 18px rgba(6, 77, 59, 0.06);
    --shadow-md: 0 12px 32px rgba(6, 77, 59, 0.10);
    --shadow-lg: 0 24px 60px rgba(6, 51, 40, 0.18);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 140px;
}

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

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

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

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

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 全站 Header / 双层导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

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

.brand a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0;
    min-width: 0;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--primary);
    color: var(--surface);
    font-size: 18px;
    font-weight: 900;
    box-shadow: 0 8px 18px rgba(11, 113, 87, 0.24);
}

.brand-icon span {
    color: #fff;
}

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

.search-control {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface-soft);
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0 8px 0 14px;
    height: 42px;
    min-width: 220px;
    transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.search-control:focus-within {
    background: var(--surface);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(11, 113, 87, .12);
}

.search-control svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

.search-control input {
    border: 0;
    background: transparent;
    outline: none;
    height: 100%;
    width: 100%;
    font-size: 14px;
    color: var(--text);
}

.search-control input::placeholder {
    color: #84918D;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    height: 42px;
    padding: 0 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 8px 20px rgba(11, 113, 87, .18);
    transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.header-cta:hover {
    background: var(--primary-deep);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.header-cta:focus,
.brand a:focus-visible,
.main-nav a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.main-nav {
    background: var(--surface);
    border-top: 1px solid var(--surface-soft);
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.nav-inner::-webkit-scrollbar {
    height: 4px;
}

.nav-inner::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 12px;
}

.main-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    padding: 0 16px;
    height: 44px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-2);
    transition: background .2s ease, color .2s ease;
}

.main-nav a:hover {
    color: var(--primary);
    background: var(--surface-soft);
}

.main-nav a.active {
    background: var(--primary);
    color: #fff;
}

/* ===== 通用按钮 ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 12px 22px;
    font-size: 15px;
    font-weight: 700;
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.btn-primary:hover {
    background: var(--primary-deep);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-primary:focus-visible,
.btn-light:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.btn-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .65);
    border-radius: 8px;
    padding: 12px 22px;
    font-size: 15px;
    font-weight: 700;
    transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.btn-light:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    transform: translateY(-2px);
}

/* ===== 文章主视觉区 ===== */
.article-hero-sub {
    position: relative;
    background: linear-gradient(115deg, rgba(6, 77, 59, .96) 0%, rgba(11, 113, 87, .88) 65%, rgba(27, 132, 105, .78) 100%), url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
    color: #fff;
    padding: 56px 0 62px;
}

.article-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, .72);
    margin-bottom: 28px;
}

.article-breadcrumb a,
.article-breadcrumb .bc-sep {
    transition: color .2s ease;
}

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

.article-breadcrumb .bc-current {
    color: rgba(255, 255, 255, .95);
    font-weight: 600;
}

.article-hero-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.article-eyebrow {
    display: inline-flex;
    align-items: center;
    background: rgba(227, 236, 69, .16);
    border: 1px solid rgba(227, 236, 69, .3);
    color: var(--signal);
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 700;
}

.article-reading-dot {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, .72);
}

.article-hero-title {
    max-width: 900px;
    margin: 0;
    font-size: clamp(30px, 3.4vw, 42px);
    font-weight: 800;
    line-height: 1.35;
    color: #fff;
    letter-spacing: 0;
}

.article-hero-subinfo {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    margin-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .2);
    padding-top: 20px;
    color: rgba(255, 255, 255, .86);
    font-size: 14px;
}

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

.article-meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--signal);
    flex: 0 0 auto;
}

/* ===== 正文阅读主题区 ===== */
.article-section {
    background: var(--bg);
    padding: 60px 0 76px;
}

.article-layout {
    max-width: 900px;
}

.article-card-single {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.article-content {
    padding: clamp(24px, 4vw, 54px);
    font-size: 17px;
    line-height: 1.95;
    color: var(--text);
}

.article-content > *:first-child {
    margin-top: 0;
}

.article-content > *:last-child {
    margin-bottom: 0;
}

.article-content p {
    margin: 0 0 22px 0;
}

.article-content a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--primary);
    text-underline-offset: 4px;
    transition: color .2s ease, opacity .2s ease;
}

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

.article-content h2 {
    font-size: 27px;
    line-height: 1.5;
    margin: 46px 0 18px;
    font-weight: 800;
    color: var(--text);
}

.article-content h3 {
    font-size: 21px;
    line-height: 1.6;
    margin: 36px 0 14px;
    font-weight: 750;
    color: var(--text);
}

.article-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 30px 0 10px;
}

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

.article-content li {
    margin-bottom: 10px;
    padding-left: 4px;
}

.article-content img {
    margin: 18px 0 24px;
    border-radius: var(--radius-sm);
    width: auto;
    height: auto;
}

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

.article-content figure img {
    margin-bottom: 8px;
}

.article-content figcaption {
    font-size: 13px;
    color: var(--text-2);
    text-align: center;
}

.article-content blockquote {
    margin: 30px 0;
    padding: 18px 24px;
    background: #f3f7f1;
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-2);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 26px 0 30px;
    font-size: 15px;
}

.article-content th,
.article-content td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
    line-height: 1.7;
}

.article-content th {
    background: var(--surface-soft);
    font-weight: 700;
    color: var(--text);
}

.article-content pre {
    margin: 24px 0;
    background: #123329;
    color: #e9f1ec;
    border-radius: var(--radius-sm);
    padding: 20px;
    overflow: auto;
    font-size: 14px;
    line-height: 1.8;
}

.article-content code {
    background: #eaece4;
    color: var(--primary-deep);
    border-radius: 6px;
    padding: 2px 6px;
    font-size: .92em;
}

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

/* ===== 文章标签与行动区 ===== */
.article-footer-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 0 clamp(24px, 4vw, 54px) 34px;
    border-top: 1px solid var(--border);
    margin-top: 4px;
}

.article-tags-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-2);
    margin-right: 4px;
}

.article-tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-2);
    transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.article-tag:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.article-share-line {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px clamp(24px, 4vw, 54px);
    background: #f9faf6;
    border-top: 1px solid var(--border);
}

.article-share-note {
    font-size: 14px;
    color: var(--text-2);
}

.article-share-note strong {
    color: var(--primary);
}

.article-back-to-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--primary);
    font-size: 14px;
    transition: gap .2s ease;
}

.article-back-to-home:hover {
    gap: 12px;
}

/* ===== 正文缺失状态 ===== */
.missing-article-wrap {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.missing-article-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: clamp(36px, 7vw, 72px) 24px;
}

.missing-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 74px;
    height: 74px;
    margin: 0 auto 20px;
    border-radius: 24px;
    background: var(--signal-soft);
    color: var(--primary);
    font-size: 14px;
    font-weight: 800;
}

.missing-article-card h1 {
    margin: 0 0 14px;
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
}

.missing-article-card p {
    font-size: 15px;
    color: var(--text-2);
    margin-bottom: 26px;
}

/* ===== 相关专题 / 更多内容区 ===== */
.related-panel {
    background: var(--surface-soft);
    padding: 84px 0 80px;
}

.section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
}

.section-head-right {
    color: var(--text-2);
    font-size: 14px;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.section-kicker::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--warm);
}

.section-head h2 {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.35;
    margin: 0;
    color: var(--text);
}

.section-lead {
    font-size: 15px;
    color: var(--text-2);
    margin-top: 10px;
    max-width: 720px;
}

.related-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 28px;
    align-items: stretch;
}

.related-visual {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 300px;
    background: var(--primary-deep);
    box-shadow: var(--shadow-md);
}

.related-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    transition: transform .5s ease;
}

.related-visual:hover img {
    transform: scale(1.04);
}

.related-visual-mask {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 34px 30px 26px;
    background: linear-gradient(180deg, rgba(6, 46, 38, 0) 0%, rgba(6, 46, 38, .85) 100%);
    color: #fff;
}

.related-visual-mask h3 {
    font-size: 22px;
    margin: 0 0 6px;
    font-weight: 800;
}

.related-visual-mask p {
    margin: 0;
    font-size: 14px;
    opacity: .8;
}

.related-links {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.related-link-item {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 20px;
    padding: 0 24px;
    min-height: 88px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    transition: background .2s ease, padding-left .2s ease;
}

.related-link-item:last-child {
    border-bottom: 0;
}

.related-link-item:hover {
    background: #f8faf5;
    padding-left: 30px;
}

.related-link-item .rl-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text);
}

.related-link-item .rl-desc {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.6;
}

.related-link-item .rl-arrow {
    color: var(--primary);
    font-weight: 800;
    font-size: 18px;
}

/* ===== 文章底部 CTA ===== */
.article-cta {
    background: var(--primary-deep);
    color: #fff;
    padding: 80px 0;
    background-image: url("/assets/images/backpic/back-2.png");
    background-position: right center;
    background-repeat: no-repeat;
    background-size: cover;
}

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

.article-cta-caption {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .06em;
    color: var(--signal);
    text-transform: uppercase;
}

.article-cta h2 {
    font-size: clamp(24px, 2.8vw, 34px);
    margin: 12px 0 12px;
    color: #fff;
    font-weight: 800;
    line-height: 1.35;
}

.article-cta p {
    font-size: 15px;
    color: rgba(255, 255, 255, .78);
    margin: 0 0 20px;
    max-width: 690px;
}

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

.article-cta-tel {
    font-size: 21px;
    font-weight: 800;
    color: var(--warm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ===== 全站页脚 ===== */
.site-footer {
    background: var(--primary-deep);
    color: rgba(255, 255, 255, .78);
    padding: 66px 0 0;
}

.site-footer .container {
    max-width: 1240px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 800;
    color: #fff;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.9;
    margin: 18px 0 0;
    max-width: 280px;
    color: rgba(255, 255, 255, .68);
}

.footer-col h6 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 18px;
}

.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: rgba(255, 255, 255, .72);
    font-size: 14px;
    transition: color .2s ease;
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    margin: 0 0 12px;
    color: rgba(255, 255, 255, .72);
}

.footer-contact .dot {
    color: var(--signal);
    font-size: 12px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 22px 0 26px;
    font-size: 13px;
    color: rgba(255, 255, 255, .55);
}

.footer-bottom a {
    color: rgba(255, 255, 255, .65);
    transition: color .2s ease;
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: 1.4fr 1fr 1fr;
        gap: 32px;
    }

    .footer-contact {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}

@media (max-width: 860px) {
    .header-main {
        min-height: 64px;
    }

    .search-control {
        display: none;
    }

    .nav-inner {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .main-nav a {
        height: 40px;
    }

    .main-nav::-webkit-scrollbar {
        height: 3px;
    }

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

    .related-visual {
        min-height: 250px;
    }
}

@media (max-width: 760px) {
    .container {
        padding: 0 20px;
    }

    .brand a {
        font-size: 17px;
        gap: 8px;
    }

    .brand-icon {
        width: 30px;
        height: 30px;
        font-size: 15px;
        border-radius: 7px;
    }

    .header-main {
        gap: 12px;
    }

    .header-cta {
        height: 38px;
        padding: 0 13px;
        font-size: 13px;
    }

    .header-cta:hover {
        transform: none;
    }

    .main-nav a {
        padding: 0 14px;
        font-size: 14px;
    }

    .article-hero-sub {
        padding: 38px 0 42px;
    }

    .article-breadcrumb {
        margin-bottom: 20px;
    }

    .article-content {
        padding: 22px 20px 28px;
        font-size: 16px;
        line-height: 1.92;
    }

    .article-content h2 {
        font-size: 23px;
    }

    .article-content h3 {
        font-size: 19px;
    }

    .article-footer-tags {
        padding: 0 20px 28px;
    }

    .article-share-line {
        padding: 16px 20px;
    }

    .related-panel,
    .article-section {
        padding: 56px 0;
    }

    .section-head h2 {
        font-size: 26px;
    }

    .related-visual-mask h3 {
        font-size: 19px;
    }

    .article-cta p {
        font-size: 14px;
    }
}

@media (max-width: 520px) {
    .brand .brand-text {
        max-width: 180px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .header-main {
        min-height: 58px;
    }

    .header-cta {
        padding: 0 11px;
        font-size: 12px;
        height: 36px;
    }

    .header-cta:hover {
        transform: none;
    }

    .nav-inner {
        gap: 2px;
    }

    .main-nav a {
        font-size: 13px;
        padding: 0 12px;
        height: 38px;
    }

    .article-hero-sub {
        padding: 30px 0 34px;
    }

    .article-hero-status {
        width: 100%;
    }

    .article-hero-title {
        font-size: 26px;
    }

    .article-metadata {
        gap: 10px;
        margin-top: 18px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
        padding-bottom: 36px;
    }

    .footer-top > div:first-child {
        grid-column: 1 / -1;
    }

    .footer-contact {
        grid-column: 1 / -1;
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

/* roulang page: category3 */
:root {
            --primary: #0B7157;
            --primary-deep: #064D3B;
            --primary-dark: #042F24;
            --signal: #E3EC45;
            --warm: #F0C75E;
            --page-bg: #F6F7F2;
            --card-bg: #FFFFFF;
            --text-main: #16231F;
            --text-sub: #51605A;
            --text-weak: #73817B;
            --border-line: #E3E7E0;
            --shadow-sm: 0 4px 14px rgba(6, 40, 31, 0.06);
            --shadow-md: 0 12px 30px rgba(6, 40, 31, 0.09);
            --shadow-lg: 0 24px 60px rgba(6, 40, 31, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 100px;
            --container: 1240px;
            --space-section: 96px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--page-bg);
            font-family: "PingFang SC", "Source Han Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            -webkit-font-smoothing: antialiased;
        }
        body,
        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p,
        figure,
        ul,
        ol,
        dl,
        dd {
            margin: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(11, 113, 87, 0.38);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-line);
            position: relative;
            z-index: 50;
        }
        .header-main {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 16px;
            padding-bottom: 16px;
        }
        .brand a {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.3px;
            color: var(--primary-deep);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 19px;
            font-weight: 900;
            flex: 0 0 auto;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-control {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--page-bg);
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            padding: 4px 10px 4px 14px;
            width: 220px;
            transition: border-color 0.2s ease, background 0.2s ease;
        }
        .search-control:focus-within {
            border-color: var(--primary);
            background: #fff;
        }
        .search-control svg {
            width: 18px;
            height: 18px;
            color: var(--text-sub);
            flex: 0 0 auto;
            stroke: currentColor;
        }
        .search-control input {
            border: 0;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            padding: 5px 0;
        }
        .search-control input::placeholder {
            color: var(--text-weak);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 700;
            white-space: nowrap;
            transition: background 0.25s ease, transform 0.2s ease;
        }
        .header-cta:hover {
            background: var(--primary-deep);
            transform: translateY(-1px);
        }
        .main-nav {
            background: #fff;
            border-top: 1px solid #EEF0EB;
        }
        .main-nav .nav-inner {
            display: flex;
            gap: 10px;
            padding-top: 12px;
            padding-bottom: 12px;
            overflow-x: auto;
            scrollbar-width: none;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
        }
        .main-nav .nav-inner::-webkit-scrollbar {
            display: none;
        }
        .main-nav .nav-inner a {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            transition: background 0.2s ease, color 0.2s ease;
            flex: 0 0 auto;
        }
        .main-nav .nav-inner a:hover {
            background: #EAF3EE;
            color: var(--primary);
        }
        .main-nav .nav-inner a.active {
            background: var(--primary);
            color: #fff;
        }
        /* misc base */
        .section-block {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-eyebrow {
            display: inline-block;
            background: rgba(11, 113, 87, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            border: 1px solid rgba(11, 113, 87, 0.15);
        }
        .section-title {
            font-size: 32px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.4px;
            max-width: 860px;
        }
        .section-sub {
            margin-top: 16px;
            max-width: 760px;
            color: var(--text-sub);
            font-size: 17px;
            line-height: 1.8;
        }
        .primary-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 13px 28px;
            font-size: 16px;
            font-weight: 700;
            transition: background 0.25s, transform 0.2s, box-shadow 0.2s;
        }
        .primary-btn:hover {
            background: var(--primary-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .ghost-btn-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.75);
            background: transparent;
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-weight: 600;
            transition: background 0.2s, border-color 0.2s, transform 0.2s;
        }
        .ghost-btn-light:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            border-color: rgba(11, 113, 87, 0.5);
            box-shadow: var(--shadow-md);
        }
        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(11, 113, 87, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
        }
        .badge-warm {
            background: rgba(240, 199, 94, 0.22);
            color: #9C6B00;
        }
        /* faq */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 14px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .faq-item.open {
            border-color: rgba(11, 113, 87, 0.45);
            box-shadow: var(--shadow-sm);
        }
        .faq-btn {
            width: 100%;
            background: transparent;
            border: 0;
            display: flex;
            gap: 16px;
            align-items: center;
            text-align: left;
            padding: 20px 24px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
        }
        .faq-btn .num {
            font-weight: 900;
            color: var(--primary);
            background: rgba(11, 113, 87, 0.1);
            width: 28px;
            height: 28px;
            flex: 0 0 auto;
            display: inline-flex;
            justify-content: center;
            align-items: center;
            border-radius: 8px;
            font-size: 13px;
        }
        .faq-icon {
            margin-left: auto;
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: rgba(11, 113, 87, 0.08);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: transform 0.3s ease, background 0.2s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-content {
            display: none;
            padding: 0 24px 24px 68px;
            color: var(--text-sub);
            font-size: 16px;
            line-height: 1.85;
        }
        .faq-item.open .faq-content {
            display: block;
            animation: fadeUp 0.25s ease;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        /* footer */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.86);
        }
        .site-footer .container {
            padding-top: 64px;
            padding-bottom: 28px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 44px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 18px;
            font-size: 15px;
            max-width: 340px;
        }
        .site-footer h6 {
            font-size: 15px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul a {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.72);
            transition: color 0.2s;
        }
        .site-footer ul a:hover {
            color: var(--signal);
        }
        .dot {
            color: var(--signal);
            margin-right: 8px;
        }
        .footer-contact p {
            margin-bottom: 10px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.78);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom a:hover {
            color: var(--signal);
        }
        .cover-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .grid-inner-gap {
            gap: 26px;
        }
        .mobile-nav {
            display: none;
        }
        @media (max-width: 1024px) {
            :root {
                --space-section: 72px;
            }
            .search-control {
                display: none;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .header-main {
                padding-top: 12px;
                padding-bottom: 12px;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 14px;
            }
            .brand a {
                font-size: 18px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .section-title {
                font-size: 26px;
                line-height: 1.3;
            }
            .section-block {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 28px;
            }
        }
        @media (max-width: 540px) {
            .header-actions .search-control {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .footer-bottom {
                flex-direction: column;
            }
        }
        /* definition for cms list placeholder - not visible */
        .cms-clean:empty {
            display: none;
        }

/* roulang page: category2 */
:root {
            --primary: #0B7157;
            --primary-deep: #064D3B;
            --signal: #E3EC45;
            --accent: #F0C75E;
            --page: #F6F7F2;
            --page-alt: #EDF1E9;
            --white: #FFFFFF;
            --ink: #16231F;
            --ink-muted: #51605A;
            --line: #E3E7E0;
            --card-line: #D9E3DD;
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-pill: 100px;
            --shadow-sm: 0 6px 18px rgba(6, 77, 59, .05);
            --shadow-md: 0 14px 34px rgba(6, 77, 59, .09);
            --shadow-lg: 0 24px 60px rgba(6, 77, 59, .14);
            --transition: .25s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Source Han Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
            background: var(--page);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: min(92%, 1240px);
            margin-inline: auto;
        }
        .skip-link {
            position: absolute;
            left: -999px;
            top: 0;
            background: var(--primary);
            color: #fff;
            padding: 10px 18px;
            border-radius: 0 0 8px 0;
            z-index: 100;
        }
        .skip-link:focus {
            left: 0;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }
        .header-main {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
            min-height: 74px;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .brand a {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            font-weight: 800;
            font-size: 19px;
            letter-spacing: 0;
            white-space: nowrap;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 19px;
            font-weight: 900;
            box-shadow: 0 0 0 4px rgba(11, 113, 87, .12);
        }
        .brand-icon span {
            transform: scale(1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-control {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 220px;
            height: 42px;
            background: var(--page);
            border: 1px solid var(--line);
            border-radius: var(--radius-pill);
            padding: 0 14px;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }
        .search-control svg {
            width: 18px;
            height: 18px;
            color: var(--ink-muted);
            flex: none;
        }
        .search-control input {
            width: 100%;
            min-width: 0;
            border: 0;
            outline: 0;
            background: transparent;
            font-size: 14px;
            color: var(--ink);
        }
        .search-control input::placeholder {
            color: #89958F;
        }
        .search-control:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(11, 113, 87, .10);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 42px;
            padding: 0 20px;
            border-radius: var(--radius-pill);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .header-cta:hover {
            background: #085940;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .header-cta:focus-visible {
            outline: 3px solid rgba(11, 113, 87, .3);
            outline-offset: 2px;
        }
        .main-nav {
            border-top: 1px solid rgba(227, 231, 224, .7);
            background: #FFFFFF;
        }
        .nav-inner {
            display: flex;
            gap: 6px;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .nav-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-inner a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: none;
            padding: 8px 19px;
            white-space: nowrap;
            color: var(--ink-muted);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: color var(--transition), background var(--transition);
        }
        .nav-inner a:hover {
            color: var(--primary);
            background: #EAF2EE;
        }
        .nav-inner a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
        }
        .nav-inner a:focus-visible {
            outline: 3px solid rgba(11, 113, 87, .35);
            outline-offset: 2px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 24px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 15px;
            border: 1px solid transparent;
            transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 10px 22px rgba(11, 113, 87, .18);
        }
        .btn-primary:hover {
            background: #064D3B;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, .75);
            color: #fff;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .text-link:focus-visible {
            outline: 3px solid rgba(227, 236, 69, .6);
            outline-offset: 3px;
        }

        /* Category banner */
        .page-banner {
            position: relative;
            z-index: 1;
            padding: 84px 0 78px;
            color: #fff;
            background: linear-gradient(102deg, rgba(3, 43, 31, .94) 0%, rgba(6, 77, 59, .78) 58%, rgba(11, 113, 87, .55) 100%), url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
        }
        .page-banner:after {
            content: "";
            position: absolute;
            right: -110px;
            bottom: -140px;
            width: 420px;
            height: 420px;
            border: 1px solid rgba(227, 236, 69, .22);
            border-radius: 50%;
            z-index: -1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: rgba(255, 255, 255, .82);
            font-size: 14px;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .82);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--signal);
        }
        .breadcrumb .divider {
            color: rgba(255, 255, 255, .4);
        }
        .banner-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--signal);
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: .05em;
        }
        .page-banner h1 {
            font-size: clamp(40px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .page-banner .banner-description {
            max-width: 860px;
            font-size: 17px;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 34px;
        }
        .banner-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* Section common */
        .content-section {
            padding: 88px 0;
        }
        .section-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 46px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(11, 113, 87, .08);
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(28px, 3.4vw, 36px);
            line-height: 1.35;
            font-weight: 800;
            margin: 8px 0 12px;
        }
        .section-lead {
            max-width: 780px;
            font-size: 16px;
            color: var(--ink-muted);
            line-height: 2;
        }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 700;
            transition: gap var(--transition), color var(--transition);
        }
        .section-link:hover {
            gap: 10px;
            color: var(--primary-deep);
        }
        .bg-alt {
            background: var(--page-alt);
        }
        .bg-white-block {
            background: #fff;
        }

        /* Feature Card layout */
        .feature-top {
            display: grid;
            grid-template-columns: 1.06fr .94fr;
            gap: 30px;
            align-items: stretch;
        }
        .feature-bottom {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 30px;
        }
        .svc-aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .svc-aside .feature-card {
            flex: 1;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--card-line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-3px);
            border-color: #96C2B2;
            box-shadow: var(--shadow-md);
        }
        .feature-media {
            height: 210px;
            overflow: hidden;
            background: #DBE7E0;
        }
        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-card:hover .feature-media img {
            transform: scale(1.035);
        }
        .feature-body {
            padding: 24px 26px 26px;
        }
        .feature-body h3 {
            font-size: 20px;
            font-weight: 800;
            margin: 15px 0 8px;
        }
        .feature-body p {
            color: var(--ink-muted);
            font-size: 15px;
            line-height: 1.85;
        }
        .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 13px;
            background: #E9F2ED;
            color: var(--primary);
            flex: none;
        }
        .icon-circle svg {
            width: 24px;
            height: 24px;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
        }
        .text-link svg {
            width: 16px;
            height: 16px;
            transition: transform var(--transition);
        }
        .text-link:hover svg {
            transform: translateX(5px);
        }

        /* Scene section */
        .scene-grid {
            display: grid;
            grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
            gap: 60px;
            align-items: center;
        }
        .scene-media {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .scene-media img {
            width: 100%;
            height: 600px;
            object-fit: cover;
        }
        .scene-list {
            border-top: 1px solid var(--line);
        }
        .scene-item {
            display: grid;
            grid-template-columns: 150px 1fr;
            gap: 26px;
            padding: 24px 0;
            border-bottom: 1px solid var(--line);
            transition: padding-left var(--transition);
        }
        .scene-item:hover {
            padding-left: 8px;
        }
        .scene-item h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .scene-item p {
            color: var(--ink-muted);
            font-size: 15px;
        }
        .scene-order {
            color: var(--primary);
            font-weight: 800;
            font-size: 26px;
            line-height: 1;
        }

        /* Metric band */
        .metric-band {
            background: linear-gradient(135deg, #E8F0E6, #E0ECE3);
            padding: 64px 0;
            border-block: 1px solid rgba(11, 113, 87, .08);
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 34px;
        }
        .metric-item {
            padding: 8px 4px;
        }
        .metric-value {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--primary);
            letter-spacing: -.02em;
        }
        .metric-label {
            color: var(--ink-muted);
            font-weight: 600;
            margin-top: 8px;
            font-size: 15px;
        }

        /* Process */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
            counter-reset: step;
        }
        .step-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            font-size: 15px;
            font-weight: 800;
            color: var(--signal);
            background: var(--primary-deep);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            margin-bottom: 18px;
        }
        .step-card h3 {
            font-size: 19px;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .step-card p {
            color: var(--ink-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        /* Related cards */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .related-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #96C2B2;
        }
        .related-media {
            height: 190px;
            overflow: hidden;
        }
        .related-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }
        .related-card:hover .related-media img {
            transform: scale(1.04);
        }
        .related-content {
            padding: 22px 24px 26px;
        }
        .related-content h3 {
            font-size: 19px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .related-content p {
            color: var(--ink-muted);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 6px;
        }

        /* FAQ */
        .faq-layout {
            display: grid;
            grid-template-columns: 330px 1fr;
            gap: 64px;
            align-items: start;
        }
        .faq-aside {
            position: sticky;
            top: 180px;
        }
        .faq-aside h2 {
            font-size: 32px;
            font-weight: 800;
            margin: 12px 0 14px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            margin-bottom: 14px;
            padding: 0;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item[open] {
            border-color: rgba(11, 113, 87, .35);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            cursor: pointer;
            font-weight: 700;
            font-size: 16px;
            padding: 20px 22px;
            line-height: 1.6;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-icon {
            flex: none;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: transform var(--transition), border-color var(--transition), background var(--transition);
        }
        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
        }
        .faq-content {
            padding: 0 24px 22px;
            color: var(--ink-muted);
            font-size: 15px;
            line-height: 1.9;
        }

        /* CTA */
        .cta-section {
            background: var(--primary-deep);
            color: #fff;
            padding: 92px 0;
        }
        .cta-heading {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 14px;
        }
        .cta-heading em {
            font-style: normal;
            color: var(--signal);
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 56px;
            align-items: center;
        }
        .cta-intro {
            color: rgba(255, 255, 255, .82);
            font-size: 17px;
            line-height: 2;
            max-width: 540px;
        }
        .contact-quick {
            margin-top: 26px;
        }
        .contact-quick p {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, .9);
        }
        .contact-quick .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--signal);
            flex: none;
        }
        .form-card {
            background: #fff;
            color: var(--ink);
            border-radius: 16px;
            padding: 32px;
            box-shadow: var(--shadow-lg);
        }
        .form-card h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .form-card .form-sub {
            color: var(--ink-muted);
            font-size: 14px;
            margin-bottom: 22px;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .form-field {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .form-field label {
            font-size: 13px;
            font-weight: 700;
            color: #2E3A35;
        }
        .form-field input,
        .form-field select,
        .form-field textarea {
            width: 100%;
            height: 46px;
            border: 1px solid #DDE3DC;
            border-radius: 8px;
            padding: 0 13px;
            font-size: 15px;
            color: var(--ink);
            background: #FBFCFA;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }
        .form-field textarea {
            height: 104px;
            padding-top: 12px;
            resize: vertical;
        }
        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(11, 113, 87, .12);
        }
        .form-btn {
            width: 100%;
            margin-top: 18px;
            border: 0;
            cursor: pointer;
        }
        .form-note {
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            margin-top: 12px;
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: #F0F3F0;
            border-top: 1px solid var(--line);
            padding: 64px 0 22px;
            color: var(--ink-muted);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1.1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--ink);
        }
        .footer-desc {
            margin-top: 14px;
            max-width: 320px;
            font-size: 14px;
            line-height: 1.9;
        }
        .footer-col h6 {
            font-size: 15px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col a {
            color: var(--ink-muted);
            font-size: 14px;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact p {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            margin-bottom: 10px;
            color: var(--ink-muted);
        }
        .footer-contact .dot {
            color: var(--primary);
            margin-top: 3px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 46px;
            padding-top: 20px;
            border-top: 1px solid #DCE3DD;
            font-size: 13px;
            color: #6F7B75;
        }
        .footer-bottom a {
            color: #6F7B75;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .content-section {
                padding: 72px 0;
            }
            .feature-top {
                grid-template-columns: 1fr;
            }
            .svc-aside {
                display: grid;
                grid-template-columns: 1fr 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 38px;
            }
            .scene-media img {
                height: 420px;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .faq-aside {
                position: static;
                top: auto;
            }
        }
        @media (max-width: 768px) {
            .header-main {
                gap: 14px;
            }
            .search-control {
                display: none;
            }
            .brand a {
                font-size: 16px;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .header-cta {
                height: 38px;
                padding: 0 14px;
                font-size: 13px;
            }
            .page-banner {
                padding: 64px 0 56px;
            }
            .page-banner h1 {
                font-size: 40px;
            }
            .nav-inner {
                gap: 4px;
            }
            .nav-inner a {
                padding: 8px 14px;
                font-size: 13px;
            }
            .section-top {
                margin-bottom: 30px;
            }
            .feature-bottom {
                grid-template-columns: 1fr;
                margin-top: 0;
            }
            .feature-top,
            .feature-bottom {
                gap: 18px;
            }
            .svc-aside {
                display: flex;
                gap: 18px;
            }
            .feature-top {
                gap: 18px;
            }
            .feature-body {
                padding: 20px;
            }
            .scene-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 20px 0;
            }
            .metric-band {
                padding: 48px 0;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .metric-value {
                font-size: 38px;
            }
            .steps-grid,
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-section {
                padding: 68px 0;
            }
            .form-card {
                padding: 22px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .header-header-actions {
                gap: 8px;
            }
            .brand a {
                gap: 8px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }
            .btn {
                width: 100%;
            }
            .banner-actions {
                flex-direction: column;
                width: 100%;
            }
            .banner-actions .btn {
                width: 100%;
            }
            .section-lead {
                font-size: 15px;
            }
            .metric-value {
                font-size: 32px;
            }
            .page-banner h1 {
                font-size: 34px;
            }
            .page-banner .banner-description {
                font-size: 15px;
            }
        }

/* roulang page: category4 */
:root {
        --primary: #0B7157;
        --primary-deep: #064D3B;
        --primary-dark: #04382C;
        --signal: #E3EC45;
        --warm: #F0C75E;
        --bg: #F6F7F2;
        --bg-2: #F0F2EA;
        --card: #FFFFFF;
        --text: #16231F;
        --muted: #51605A;
        --border: #E3E7E0;
        --radius: 8px;
        --radius-lg: 14px;
        --shadow-xs: 0 2px 10px rgba(6, 77, 59, .06);
        --shadow-md: 0 16px 40px rgba(6, 77, 59, .10);
        --shadow-hover: 0 18px 50px rgba(6, 77, 59, .16);
    }

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

    html,
    body,
    p,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    ul,
    ol,
    dl,
    dd,
    figure,
    blockquote {
        margin: 0;
        border: 0;
        padding: 0;
    }

    body {
        font-family: "PingFang SC", "Source Han Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
        background: var(--bg);
        color: var(--text);
        font-size: 16px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

    ul,
    ol {
        list-style: none;
    }

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

    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    button,
    input,
    select,
    textarea {
        font: inherit;
        color: inherit;
    }

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

    img {
        border-radius: var(--radius);
    }

    .container {
        max-width: 1240px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .section {
        padding-top: 88px;
        padding-bottom: 88px;
    }

    .section-tight {
        padding-top: 76px;
        padding-bottom: 76px;
    }

    .section-alt {
        background: var(--bg-2);
    }

    .section-head {
        position: relative;
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 44px;
    }

    .section-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .12em;
        color: var(--primary);
        margin-bottom: 10px;
    }

    .section-kicker::before {
        content: "";
        width: 22px;
        height: 2px;
        background: var(--signal);
    }

    .section-title {
        font-size: clamp(28px, 4vw, 38px);
        line-height: 1.25;
        font-weight: 800;
        letter-spacing: 0;
        color: var(--text);
    }

    .section-desc {
        max-width: 680px;
        color: var(--muted);
        font-size: 16px;
        line-height: 1.9;
    }

    /* Header & navigation */
    .site-header {
        position: relative;
        z-index: 30;
        background: rgba(255, 255, 255, .96);
        border-bottom: 1px solid rgba(227, 231, 224, .8);
        backdrop-filter: blur(10px);
    }

    .header-main {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        min-height: 78px;
    }

    .brand {
        flex: 0 0 auto;
    }

    .brand a {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 21px;
        font-weight: 800;
        color: var(--text);
        white-space: nowrap;
    }

    .brand-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: var(--primary);
        color: #fff;
        font-weight: 900;
        font-size: 18px;
        position: relative;
        overflow: hidden;
        flex: 0 0 auto;
    }

    .brand-icon::after {
        content: "";
        position: absolute;
        inset: 3px;
        border-radius: 6px;
        border: 1px solid rgba(255, 255, 255, .28);
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .search-control {
        display: flex;
        align-items: center;
        gap: 8px;
        width: 240px;
        height: 40px;
        padding: 0 14px;
        border: 1px solid var(--border);
        border-radius: 999px;
        background: var(--bg);
        transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .search-control:focus-within {
        background: #fff;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(11, 113, 87, .10);
    }

    .search-control svg {
        width: 18px;
        height: 18px;
        stroke: var(--muted);
        flex: 0 0 auto;
    }

    .search-control input {
        width: 100%;
        border: none;
        background: transparent;
        outline: none;
        font-size: 14px;
    }

    .search-control input::placeholder {
        color: #8C9690;
    }

    .header-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 40px;
        padding: 0 20px;
        background: var(--primary);
        color: #fff;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 700;
        box-shadow: 0 6px 18px rgba(11, 113, 87, .18);
        transition: all .2s ease;
    }

    .header-cta:hover {
        background: var(--primary-deep);
        transform: translateY(-1px);
    }

    .main-nav {
        position: relative;
        border-top: 1px solid rgba(227, 231, 224, .7);
        background: #fff;
    }

    .nav-inner {
        display: flex;
        align-items: center;
        gap: 8px;
        overflow-x: auto;
        scrollbar-width: none;
        min-height: 58px;
    }

    .nav-inner::-webkit-scrollbar {
        display: none;
    }

    .nav-inner a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
        padding: 9px 19px;
        border-radius: 999px;
        color: var(--text);
        font-size: 15px;
        font-weight: 600;
        opacity: .72;
        transition: opacity .2s ease, background .2s ease, color .2s ease, transform .2s ease;
    }

    .nav-inner a:hover {
        opacity: 1;
        background: var(--bg);
    }

    .nav-inner a.active {
        opacity: 1;
        background: var(--primary-deep);
        color: #fff;
    }

    /* category banner */
    .category-banner {
        position: relative;
        background: var(--primary-deep);
        color: #fff;
        overflow: hidden;
        padding: 80px 0 100px;
    }

    .category-banner-img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: .22;
        border-radius: 0;
    }

    .category-banner::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(105deg, rgba(4, 56, 44, .94) 0%, rgba(4, 56, 44, .72) 48%, rgba(4, 56, 44, .42) 100%);
        pointer-events: none;
    }

    .category-banner .container {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
        gap: 72px;
        align-items: center;
    }

    .category-banner .crumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 6px 10px;
        font-size: 13px;
        color: rgba(255, 255, 255, .7);
        margin-bottom: 20px;
    }

    .category-banner .crumb a:hover {
        color: #fff;
    }

    .category-banner .crumb span {
        display: inline-flex;
        align-items: center;
    }

    .category-banner .category-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 255, 255, .12);
        border: 1px solid rgba(255, 255, 255, .18);
        border-radius: 999px;
        padding: 5px 14px;
        color: #F8FBF7;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 18px;
    }

    .category-banner .category-tag::before {
        content: "";
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--signal);
        box-shadow: 0 0 0 4px rgba(227, 236, 69, .14);
    }

    .category-banner h1 {
        font-size: clamp(40px, 5.4vw, 60px);
        line-height: 1.08;
        letter-spacing: 0;
        font-weight: 800;
    }

    .category-banner .banner-lead {
        margin-top: 20px;
        max-width: 640px;
        font-size: 17px;
        color: rgba(255, 255, 255, .82);
        line-height: 1.95;
    }

    .banner-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-top: 32px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: 8px;
        min-height: 48px;
        padding: 0 28px;
        font-weight: 700;
        font-size: 15px;
        transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    .btn-primary {
        background: var(--signal);
        color: var(--primary-dark);
        box-shadow: 0 10px 28px rgba(11, 113, 87, .18);
    }

    .btn-primary:hover {
        background: #dce84a;
        transform: translateY(-2px);
    }

    .btn-outline-light {
        border: 1px solid rgba(255, 255, 255, .45);
        color: #fff;
        background: rgba(255, 255, 255, .04);
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, .14);
        border-color: rgba(255, 255, 255, .8);
        transform: translateY(-2px);
    }

    .banner-info {
        position: relative;
    }

    .info-card {
        background: rgba(255, 255, 255, .98);
        border-radius: 16px;
        color: var(--text);
        padding: 22px;
        box-shadow: 0 24px 70px rgba(3, 41, 32, .32);
        border: 1px solid rgba(255, 255, 255, .42);
        backdrop-filter: blur(8px);
    }

    .info-card .image-wrap {
        overflow: hidden;
        border-radius: 10px;
        margin-bottom: 18px;
        position: relative;
    }

    .info-card img {
        width: 100%;
        height: 220px;
        object-fit: cover;
    }

    .info-card .info-meta {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        margin-bottom: 14px;
    }

    .info-mini-tag {
        font-size: 12px;
        color: var(--primary-deep);
        background: #EDF2E8;
        border-radius: 999px;
        padding: 4px 10px;
        font-weight: 700;
    }

    .info-card h3 {
        font-size: 22px;
        font-weight: 800;
        line-height: 1.4;
    }

    .info-card p {
        color: var(--muted);
        font-size: 15px;
        margin-top: 8px;
    }

    .info-bullets {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 18px;
        padding: 13px 14px;
        background: var(--bg);
        border-radius: 10px;
        font-size: 14px;
    }

    .info-bullets .dot-main {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--primary);
        box-shadow: 0 0 0 4px rgba(11, 113, 87, .12);
    }

    /* entry two major cards */
    .entry-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        align-items: stretch;
    }

    .entry-card {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        padding: 20px;
        transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        box-shadow: var(--shadow-xs);
    }

    .entry-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(11, 113, 87, .5);
    }

    .entry-media {
        border-radius: 8px;
        overflow: hidden;
        position: relative;
        background: var(--bg-2);
    }

    .entry-media img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        transition: transform .4s ease;
    }

    .entry-card:hover .entry-media img {
        transform: scale(1.03);
    }

    .entry-label {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--signal);
        color: var(--primary-dark);
        font-size: 12px;
        font-weight: 800;
        padding: 5px 10px;
        border-radius: 999px;
        box-shadow: 0 6px 14px rgba(6, 77, 59, .12);
    }

    .entry-body {
        padding: 20px 6px 8px;
    }

    .entry-body h3 {
        font-size: 22px;
        font-weight: 800;
        line-height: 1.4;
    }

    .entry-body p {
        color: var(--muted);
        font-size: 15px;
        margin-top: 10px;
        line-height: 1.9;
    }

    .entry-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        margin-top: 16px;
        color: var(--primary);
        font-weight: 700;
        font-size: 14px;
    }

    .entry-link svg {
        width: 16px;
        height: 16px;
        fill: none;
        stroke: currentColor;
        stroke-width: 2;
        transition: transform .2s ease;
    }

    .entry-card:hover .entry-link svg {
        transform: translateX(4px);
    }

    .entry-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 14px;
    }

    .soft-tag {
        display: inline-flex;
        align-items: center;
        border: 1px solid var(--border);
        color: var(--muted);
        background: var(--bg);
        border-radius: 999px;
        font-size: 12px;
        padding: 4px 10px;
    }

    /* four electronic topics */
    .topic-grid {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 22px;
    }

    .topic-card {
        border: 1px solid var(--border);
        border-radius: 12px;
        background: var(--card);
        padding: 28px 26px;
        box-shadow: var(--shadow-xs);
        transition: all .22s ease;
    }

    .topic-card:nth-child(1),
    .topic-card:nth-child(4) {
        grid-column: span 4;
    }

    .topic-card:nth-child(2) {
        grid-column: span 5;
    }

    .topic-card:nth-child(3) {
        grid-column: span 3;
    }

    .topic-card:hover {
        border-color: var(--primary);
        background: #fff;
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }

    .topic-index {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 38px;
        height: 38px;
        border-radius: 8px;
        background: var(--bg);
        color: var(--primary);
        font-weight: 800;
        font-size: 15px;
        margin-bottom: 22px;
        border: 1px solid var(--border);
    }

    .topic-card:hover .topic-index {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
    }

    .topic-card h3 {
        font-size: 19px;
        line-height: 1.45;
        font-weight: 800;
        margin-bottom: 12px;
    }

    .topic-card p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.85;
    }

    /* image-block */
    .split-block {
        display: grid;
        grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
        gap: 64px;
        align-items: center;
    }

    .split-block .visual {
        position: relative;
    }

    .split-block .visual-main {
        border-radius: 14px;
        width: 100%;
        height: 420px;
        object-fit: cover;
        box-shadow: var(--shadow-md);
    }

    .floating-card {
        position: absolute;
        right: -20px;
        bottom: 42px;
        background: #fff;
        border-radius: 12px;
        padding: 16px 18px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        max-width: 230px;
    }

    .floating-card strong {
        display: block;
        font-size: 15px;
        color: var(--primary-dark);
    }

    .floating-card span {
        font-size: 13px;
        color: var(--muted);
        display: block;
        margin-top: 4px;
        line-height: 1.5;
    }

    .check-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin-top: 22px;
    }

    .check-item {
        display: flex;
        gap: 14px;
        align-items: flex-start;
        padding: 16px 18px;
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 10px;
        transition: border-color .2s ease, transform .2s ease, background .2s ease;
    }

    .check-item:hover {
        border-color: rgba(11, 113, 87, .45);
        transform: translateX(3px);
    }

    .check-icon {
        flex: 0 0 30px;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        font-weight: 800;
    }

    .check-item h3 {
        font-size: 16px;
        font-weight: 800;
        margin-bottom: 4px;
    }

    .check-item p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.8;
    }

    /* process */
    .process-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }

    .process-step {
        position: relative;
        background: var(--bg-2);
        border: 1px solid transparent;
        border-radius: 12px;
        padding: 30px 22px 26px;
        transition: border-color .2s ease, background .2s ease, transform .2s ease;
    }

    .process-step:hover {
        background: #fff;
        border-color: var(--border);
        transform: translateY(-4px);
    }

    .process-no {
        font-size: 13px;
        color: var(--primary);
        font-weight: 800;
        letter-spacing: .08em;
        background: var(--signal);
        display: inline-flex;
        padding: 4px 10px;
        border-radius: 999px;
        margin-bottom: 18px;
    }

    .process-step h3 {
        color: var(--text);
        font-size: 17px;
        font-weight: 800;
        margin-bottom: 8px;
    }

    .process-step p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.85;
    }

    .process-step .process-arrow {
        display: none;
    }

    /* FAQ */
    .faq-section {
        background: var(--bg-2);
    }

    .faq-wrap {
        display: grid;
        grid-template-columns: 360px minmax(0, 1fr);
        gap: 48px;
        align-items: start;
    }

    .faq-side {
        background: var(--primary-deep);
        color: #fff;
        border-radius: 16px;
        padding: 28px;
        box-shadow: 0 16px 40px rgba(6, 77, 59, .16);
    }

    .faq-side h3 {
        font-size: 24px;
        font-weight: 800;
        margin: 14px 0 10px;
    }

    .faq-side p {
        color: rgba(255, 255, 255, .72);
        font-size: 14px;
        line-height: 1.85;
    }

    .faq-side div {
        margin-top: 24px;
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }

    .faq-side div a {
        background: var(--signal);
        color: var(--primary-dark);
        font-size: 14px;
        font-weight: 700;
        border-radius: 999px;
        padding: 7px 14px;
    }

    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .faq-item {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 12px;
        overflow: hidden;
        box-shadow: var(--shadow-xs);
    }

    .faq-item summary {
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 22px;
        cursor: pointer;
        font-weight: 700;
        font-size: 16px;
        line-height: 1.5;
        transition: background .2s ease;
    }

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

    .faq-item summary:hover {
        background: #FAFBF7;
    }

    .faq-item .faq-caret {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--bg);
        border: 1px solid var(--border);
        color: var(--primary);
        transition: transform .3s ease, background .3s ease;
        flex: 0 0 auto;
    }

    .faq-item[open] .faq-caret {
        transform: rotate(45deg);
        background: var(--primary);
        color: #fff;
    }

    .faq-answer {
        padding: 0 22px 20px;
        color: var(--muted);
        font-size: 15px;
        line-height: 1.9;
        border-top: 1px dashed var(--border);
    }

    .faq-answer p {
        margin-top: 14px;
    }

    /* footer CTA contact */
    .cta-contact {
        color: #fff;
        background: var(--primary-dark);
        position: relative;
        overflow: hidden;
    }

    .cta-contact::before {
        content: "";
        position: absolute;
        right: -80px;
        top: -100px;
        width: 460px;
        height: 460px;
        background: radial-gradient(circle, rgba(227, 236, 69, .12), transparent 66%);
        pointer-events: none;
    }

    .contact-layout {
        display: grid;
        grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
        gap: 64px;
        align-items: center;
    }

    .contact-info .contact-title {
        font-size: clamp(28px, 4vw, 38px);
        line-height: 1.3;
        font-weight: 800;
        margin-bottom: 18px;
    }

    .contact-info .contact-title span {
        color: var(--signal);
    }

    .contact-info p {
        color: rgba(255, 255, 255, .74);
        line-height: 1.9;
        margin-bottom: 28px;
        max-width: 500px;
    }

    .contact-methods {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-top: 26px;
    }

    .contact-row {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 15px;
        background: rgba(255, 255, 255, .07);
        border: 1px solid rgba(255, 255, 255, .12);
        border-radius: 10px;
        padding: 10px 14px;
        width: fit-content;
        min-width: 280px;
    }

    .contact-row .dot {
        color: var(--signal);
    }

    .contact-form {
        background: #fff;
        color: var(--text);
        border-radius: 16px;
        padding: 30px;
        box-shadow: var(--shadow-hover);
    }

    .contact-form h3 {
        font-weight: 800;
        font-size: 22px;
    }

    .contact-form .form-sub {
        color: var(--muted);
        font-size: 14px;
        margin-top: 8px;
        margin-bottom: 22px;
    }

    .form-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .form-row {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .form-row label {
        font-size: 13px;
        font-weight: 700;
        color: var(--text);
    }

    .form-row input,
    .form-row select,
    .form-row textarea {
        height: 44px;
        border: 1px solid #DDE3DC;
        border-radius: 8px;
        background: #FCFDFB;
        padding: 0 12px;
        color: var(--text);
        outline: none;
        transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .form-row textarea {
        height: auto;
        min-height: 100px;
        padding: 12px;
        resize: vertical;
    }

    .form-row input:focus,
    .form-row select:focus,
    .form-row textarea:focus {
        border-color: var(--primary);
        background: #fff;
        box-shadow: 0 0 0 3px rgba(11, 113, 87, .12);
    }

    .form-row select {
        appearance: auto;
        background: #fcfdfb;
    }

    .form-row.error input {
        border-color: #C9534A;
    }

    .form-button {
        margin-top: 16px;
        width: 100%;
        background: var(--primary);
        color: #fff;
        border-radius: 8px;
        min-height: 48px;
        font-weight: 700;
        transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    .form-button:hover {
        background: var(--primary-deep);
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(4, 56, 44, .20);
    }

    .form-note {
        font-size: 12px;
        color: var(--muted);
        margin-top: 12px;
        line-height: 1.6;
    }

    /* footer */
    .site-footer {
        background: #032D24;
        color: #DDE5DF;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 42px;
        padding: 64px 0 44px;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 20px;
        font-weight: 800;
        margin-bottom: 14px;
    }

    .footer-desc {
        max-width: 360px;
        font-size: 14px;
        line-height: 1.9;
        color: rgba(255, 255, 255, .66);
    }

    .footer-col h6 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 18px;
    }

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

    .footer-col a {
        display: inline-flex;
        color: rgba(255, 255, 255, .68);
        font-size: 14px;
        transition: color .2s ease, transform .2s ease;
    }

    .footer-col a:hover {
        color: #fff;
        transform: translateX(3px);
    }

    .footer-contact p {
        display: flex;
        align-items: center;
        gap: 8px;
        color: rgba(255, 255, 255, .7);
        font-size: 14px;
        margin-bottom: 12px;
    }

    .footer-contact .dot {
        color: var(--signal);
    }

    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 0;
        border-top: 1px solid rgba(255, 255, 255, .12);
        font-size: 13px;
        color: rgba(255, 255, 255, .5);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, .6);
    }

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

    .page-gap {
        height: 4px;
    }

    a[href="#contact"]:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible {
        outline: 3px solid rgba(11, 113, 87, .4);
        outline-offset: 2px;
    }

    @media (max-width: 1024px) {
        .section {
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .category-banner .container {
            grid-template-columns: 1fr;
            gap: 40px;
        }

        .category-banner {
            padding: 60px 0 70px;
        }

        .info-card {
            max-width: 540px;
        }

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

        .topic-card:nth-child(n) {
            grid-column: span 6;
        }

        .topic-card:nth-child(n) {
            grid-column: span 6;
        }

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

        .floating-card {
            right: 10px;
            bottom: 10px;
        }

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

        .faq-wrap {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .contact-layout {
            grid-template-columns: 1fr;
            gap: 44px;
        }
    }

    @media (max-width: 768px) {
        .container {
            padding-left: 18px;
            padding-right: 18px;
        }

        .header-main {
            min-height: 68px;
        }

        .brand a {
            font-size: 17px;
        }

        .brand-icon {
            width: 34px;
            height: 34px;
        }

        .search-control {
            display: none;
        }

        .header-cta {
            display: none;
        }

        .main-nav {
            min-height: 48px;
        }

        .nav-inner a {
            padding: 8px 16px;
            font-size: 14px;
        }

        .section-title {
            font-size: 26px;
        }

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

        .topic-card:nth-child(n) {
            grid-column: span 1;
        }

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

        .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            padding-top: 44px;
        }

        .footer-top>div:first-child {
            grid-column: span 2;
        }

        .contact-methods .contact-row {
            min-width: 100%;
        }
    }

    @media (max-width: 520px) {
        .section {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .category-banner h1 {
            font-size: 34px;
        }

        .category-banner .banner-lead {
            font-size: 15px;
        }

        .banner-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .btn {
            width: 100%;
        }

        .info-card {
            padding: 16px;
        }

        .info-card img {
            height: 180px;
        }

        .entry-card {
            padding: 12px;
        }

        .entry-body h3 {
            font-size: 19px;
        }

        .entry-media img {
            height: 160px;
        }

        .topic-card {
            padding: 22px;
        }

        .split-block .visual-main {
            height: 280px;
        }

        .floating-card {
            position: relative;
            right: auto;
            bottom: auto;
            margin-top: -40px;
            margin-right: 12px;
            max-width: 260px;
        }

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

        .faq-side {
            padding: 26px 20px;
        }

        .contact-form {
            padding: 20px;
        }

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

        .footer-top>div:first-child {
            grid-column: span 1;
        }

        .footer-bottom {
            flex-direction: column;
            justify-content: center;
            text-align: center;
        }
    }